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initdb.c
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1/*-------------------------------------------------------------------------
2 *
3 * initdb --- initialize a PostgreSQL installation
4 *
5 * initdb creates (initializes) a PostgreSQL database cluster (site,
6 * instance, installation, whatever). A database cluster is a
7 * collection of PostgreSQL databases all managed by the same server.
8 *
9 * To create the database cluster, we create the directory that contains
10 * all its data, create the files that hold the global tables, create
11 * a few other control files for it, and create three databases: the
12 * template databases "template0" and "template1", and a default user
13 * database "postgres".
14 *
15 * The template databases are ordinary PostgreSQL databases. template0
16 * is never supposed to change after initdb, whereas template1 can be
17 * changed to add site-local standard data. Either one can be copied
18 * to produce a new database.
19 *
20 * For largely-historical reasons, the template1 database is the one built
21 * by the basic bootstrap process. After it is complete, template0 and
22 * the default database, postgres, are made just by copying template1.
23 *
24 * To create template1, we run the postgres (backend) program in bootstrap
25 * mode and feed it data from the postgres.bki library file. After this
26 * initial bootstrap phase, some additional stuff is created by normal
27 * SQL commands fed to a standalone backend. Some of those commands are
28 * just embedded into this program (yeah, it's ugly), but larger chunks
29 * are taken from script files.
30 *
31 *
32 * Note:
33 * The program has some memory leakage - it isn't worth cleaning it up.
34 *
35 * This is a C implementation of the previous shell script for setting up a
36 * PostgreSQL cluster location, and should be highly compatible with it.
37 * author of C translation: Andrew Dunstan mailto:andrew@dunslane.net
38 *
39 * This code is released under the terms of the PostgreSQL License.
40 *
41 * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
42 * Portions Copyright (c) 1994, Regents of the University of California
43 *
44 * src/bin/initdb/initdb.c
45 *
46 *-------------------------------------------------------------------------
47 */
48
49#include "postgres_fe.h"
50
51#include <dirent.h>
52#include <fcntl.h>
53#include <netdb.h>
54#include <sys/socket.h>
55#include <sys/stat.h>
56#ifdef USE_ICU
57#include <unicode/ucol.h>
58#endif
59#include <unistd.h>
60#include <signal.h>
61#include <time.h>
62
63#ifdef HAVE_SHM_OPEN
64#include <sys/mman.h>
65#endif
66
67#include "access/xlog_internal.h"
68#include "catalog/pg_authid_d.h"
69#include "catalog/pg_class_d.h"
70#include "catalog/pg_collation_d.h"
71#include "catalog/pg_database_d.h"
72#include "common/file_perm.h"
73#include "common/file_utils.h"
74#include "common/logging.h"
75#include "common/pg_prng.h"
76#include "common/restricted_token.h"
77#include "common/string.h"
78#include "common/username.h"
79#include "fe_utils/option_utils.h"
80#include "fe_utils/string_utils.h"
81#include "getopt_long.h"
82#include "mb/pg_wchar.h"
83#include "miscadmin.h"
84
85
86/* Ideally this would be in a .h file, but it hardly seems worth the trouble */
87extern const char *select_default_timezone(const char *share_path);
88
89/* simple list of strings */
90typedef struct _stringlist
91{
92 char *str;
93 struct _stringlist *next;
94} _stringlist;
95
96static const char *const auth_methods_host[] = {
97 "trust", "reject", "scram-sha-256", "md5", "password", "ident", "radius",
98#ifdef ENABLE_GSS
99 "gss",
100#endif
101#ifdef ENABLE_SSPI
102 "sspi",
103#endif
104#ifdef USE_PAM
105 "pam",
106#endif
107#ifdef USE_BSD_AUTH
108 "bsd",
109#endif
110#ifdef USE_LDAP
111 "ldap",
112#endif
113#ifdef USE_SSL
114 "cert",
115#endif
116 NULL
117};
118static const char *const auth_methods_local[] = {
119 "trust", "reject", "scram-sha-256", "md5", "password", "peer", "radius",
120#ifdef USE_PAM
121 "pam",
122#endif
123#ifdef USE_BSD_AUTH
124 "bsd",
125#endif
126#ifdef USE_LDAP
127 "ldap",
128#endif
129 NULL
130};
131
132/*
133 * these values are passed in by makefile defines
134 */
135static char *share_path = NULL;
136
137/* values to be obtained from arguments */
138static char *pg_data = NULL;
139static char *encoding = NULL;
140static char *locale = NULL;
141static char *lc_collate = NULL;
142static char *lc_ctype = NULL;
143static char *lc_monetary = NULL;
144static char *lc_numeric = NULL;
145static char *lc_time = NULL;
146static char *lc_messages = NULL;
147static char locale_provider = COLLPROVIDER_LIBC;
148static bool builtin_locale_specified = false;
149static char *datlocale = NULL;
150static bool icu_locale_specified = false;
151static char *icu_rules = NULL;
152static const char *default_text_search_config = NULL;
153static char *username = NULL;
154static bool pwprompt = false;
155static char *pwfilename = NULL;
156static char *superuser_password = NULL;
157static const char *authmethodhost = NULL;
158static const char *authmethodlocal = NULL;
159static _stringlist *extra_guc_names = NULL;
160static _stringlist *extra_guc_values = NULL;
161static bool debug = false;
162static bool noclean = false;
163static bool noinstructions = false;
164static bool do_sync = true;
165static bool sync_only = false;
166static bool show_setting = false;
167static bool data_checksums = true;
168static char *xlog_dir = NULL;
169static int wal_segment_size_mb = (DEFAULT_XLOG_SEG_SIZE) / (1024 * 1024);
170static DataDirSyncMethod sync_method = DATA_DIR_SYNC_METHOD_FSYNC;
171static bool sync_data_files = true;
172
173
174/* internal vars */
175static const char *progname;
176static int encodingid;
177static char *bki_file;
178static char *hba_file;
179static char *ident_file;
180static char *conf_file;
181static char *dictionary_file;
182static char *info_schema_file;
183static char *features_file;
184static char *system_constraints_file;
185static char *system_functions_file;
186static char *system_views_file;
187static bool success = false;
188static bool made_new_pgdata = false;
189static bool found_existing_pgdata = false;
190static bool made_new_xlogdir = false;
191static bool found_existing_xlogdir = false;
192static char infoversion[100];
193static bool caught_signal = false;
194static bool output_failed = false;
195static int output_errno = 0;
196static char *pgdata_native;
197
198/* defaults */
199static int n_connections = 10;
200static int n_av_slots = 16;
201static int n_buffers = 50;
202static const char *dynamic_shared_memory_type = NULL;
203static const char *default_timezone = NULL;
204
205/*
206 * Warning messages for authentication methods
207 */
208#define AUTHTRUST_WARNING \
209"# CAUTION: Configuring the system for local \"trust\" authentication\n" \
210"# allows any local user to connect as any PostgreSQL user, including\n" \
211"# the database superuser. If you do not trust all your local users,\n" \
212"# use another authentication method.\n"
213static bool authwarning = false;
214
215/*
216 * Centralized knowledge of switches to pass to backend
217 *
218 * Note: we run the backend with -F (fsync disabled) and then do a single
219 * pass of fsync'ing at the end. This is faster than fsync'ing each step.
220 *
221 * Note: in the shell-script version, we also passed PGDATA as a -D switch,
222 * but here it is more convenient to pass it as an environment variable
223 * (no quoting to worry about).
224 */
225static const char *const boot_options = "-F -c log_checkpoints=false";
226static const char *const backend_options = "--single -F -O -j -c search_path=pg_catalog -c exit_on_error=true -c log_checkpoints=false";
227
228/* Additional switches to pass to backend (either boot or standalone) */
229static char *extra_options = "";
230
231static const char *const subdirs[] = {
232 "global",
233 "pg_wal/archive_status",
234 "pg_wal/summaries",
235 "pg_commit_ts",
236 "pg_dynshmem",
237 "pg_notify",
238 "pg_serial",
239 "pg_snapshots",
240 "pg_subtrans",
241 "pg_twophase",
242 "pg_multixact",
243 "pg_multixact/members",
244 "pg_multixact/offsets",
245 "base",
246 "base/1",
247 "pg_replslot",
248 "pg_tblspc",
249 "pg_stat",
250 "pg_stat_tmp",
251 "pg_xact",
252 "pg_logical",
253 "pg_logical/snapshots",
254 "pg_logical/mappings"
255};
256
257
258/* path to 'initdb' binary directory */
259static char bin_path[MAXPGPATH];
260static char backend_exec[MAXPGPATH];
261
262static char **replace_token(char **lines,
263 const char *token, const char *replacement);
264static char **replace_guc_value(char **lines,
265 const char *guc_name, const char *guc_value,
266 bool mark_as_comment);
267static bool guc_value_requires_quotes(const char *guc_value);
268static char **readfile(const char *path);
269static void writefile(char *path, char **lines);
270static FILE *popen_check(const char *command, const char *mode);
271static char *get_id(void);
272static int get_encoding_id(const char *encoding_name);
273static void set_input(char **dest, const char *filename);
274static void check_input(char *path);
275static void write_version_file(const char *extrapath);
276static void set_null_conf(void);
277static void test_config_settings(void);
278static bool test_specific_config_settings(int test_conns, int test_av_slots,
279 int test_buffs);
280static void setup_config(void);
281static void bootstrap_template1(void);
282static void setup_auth(FILE *cmdfd);
283static void get_su_pwd(void);
284static void setup_depend(FILE *cmdfd);
285static void setup_run_file(FILE *cmdfd, const char *filename);
286static void setup_description(FILE *cmdfd);
287static void setup_collation(FILE *cmdfd);
288static void setup_privileges(FILE *cmdfd);
289static void set_info_version(void);
290static void setup_schema(FILE *cmdfd);
291static void load_plpgsql(FILE *cmdfd);
292static void vacuum_db(FILE *cmdfd);
293static void make_template0(FILE *cmdfd);
294static void make_postgres(FILE *cmdfd);
295static void trapsig(SIGNAL_ARGS);
296static void check_ok(void);
297static char *escape_quotes(const char *src);
298static char *escape_quotes_bki(const char *src);
299static int locale_date_order(const char *locale);
300static void check_locale_name(int category, const char *locale,
301 char **canonname);
302static bool check_locale_encoding(const char *locale, int user_enc);
303static void setlocales(void);
304static void usage(const char *progname);
305void setup_pgdata(void);
306void setup_bin_paths(const char *argv0);
307void setup_data_file_paths(void);
308void setup_locale_encoding(void);
309void setup_signals(void);
310void setup_text_search(void);
311void create_data_directory(void);
312void create_xlog_or_symlink(void);
313void warn_on_mount_point(int error);
314void initialize_data_directory(void);
315
316/*
317 * macros for running pipes to postgres
318 */
319#define PG_CMD_DECL FILE *cmdfd
320
321#define PG_CMD_OPEN(cmd) \
322do { \
323 cmdfd = popen_check(cmd, "w"); \
324 if (cmdfd == NULL) \
325 exit(1); /* message already printed by popen_check */ \
326} while (0)
327
328#define PG_CMD_CLOSE() \
329do { \
330 if (pclose_check(cmdfd)) \
331 exit(1); /* message already printed by pclose_check */ \
332} while (0)
333
334#define PG_CMD_PUTS(line) \
335do { \
336 if (fputs(line, cmdfd) < 0 || fflush(cmdfd) < 0) \
337 output_failed = true, output_errno = errno; \
338} while (0)
339
340#define PG_CMD_PRINTF(fmt, ...) \
341do { \
342 if (fprintf(cmdfd, fmt, __VA_ARGS__) < 0 || fflush(cmdfd) < 0) \
343 output_failed = true, output_errno = errno; \
344} while (0)
345
346#ifdef WIN32
347typedef wchar_t *save_locale_t;
348#else
349typedef char *save_locale_t;
350#endif
351
352/*
353 * Save a copy of the current global locale's name, for the given category.
354 * The returned value must be passed to restore_global_locale().
355 *
356 * Since names from the environment haven't been vetted for non-ASCII
357 * characters, we use the wchar_t variant of setlocale() on Windows. Otherwise
358 * they might not survive a save-restore round trip: when restoring, the name
359 * itself might be interpreted with a different encoding by plain setlocale(),
360 * after we switch to another locale in between. (This is a problem only in
361 * initdb, not in similar backend code where the global locale's name should
362 * already have been verified as ASCII-only.)
363 */
364static save_locale_t
365save_global_locale(int category)
366{
367 save_locale_t save;
368
369#ifdef WIN32
370 save = _wsetlocale(category, NULL);
371 if (!save)
372 pg_fatal("_wsetlocale() failed");
373 save = wcsdup(save);
374 if (!save)
375 pg_fatal("out of memory");
376#else
377 save = setlocale(category, NULL);
378 if (!save)
379 pg_fatal("setlocale() failed");
380 save = pg_strdup(save);
381#endif
382 return save;
383}
384
385/*
386 * Restore the global locale returned by save_global_locale().
387 */
388static void
389restore_global_locale(int category, save_locale_t save)
390{
391#ifdef WIN32
392 if (!_wsetlocale(category, save))
393 pg_fatal("failed to restore old locale");
394#else
395 if (!setlocale(category, save))
396 pg_fatal("failed to restore old locale \"%s\"", save);
397#endif
398 free(save);
399}
400
401/*
402 * Escape single quotes and backslashes, suitably for insertions into
403 * configuration files or SQL E'' strings.
404 */
405static char *
406escape_quotes(const char *src)
407{
408 char *result = escape_single_quotes_ascii(src);
409
410 if (!result)
411 pg_fatal("out of memory");
412 return result;
413}
414
415/*
416 * Escape a field value to be inserted into the BKI data.
417 * Run the value through escape_quotes (which will be inverted
418 * by the backend's DeescapeQuotedString() function), then wrap
419 * the value in single quotes, even if that isn't strictly necessary.
420 */
421static char *
422escape_quotes_bki(const char *src)
423{
424 char *result;
425 char *data = escape_quotes(src);
426 char *resultp;
427 char *datap;
428
429 result = (char *) pg_malloc(strlen(data) + 3);
430 resultp = result;
431 *resultp++ = '\'';
432 for (datap = data; *datap; datap++)
433 *resultp++ = *datap;
434 *resultp++ = '\'';
435 *resultp = '\0';
436
437 free(data);
438 return result;
439}
440
441/*
442 * Add an item at the end of a stringlist.
443 */
444static void
445add_stringlist_item(_stringlist **listhead, const char *str)
446{
447 _stringlist *newentry = pg_malloc_object(_stringlist);
448 _stringlist *oldentry;
449
450 newentry->str = pg_strdup(str);
451 newentry->next = NULL;
452 if (*listhead == NULL)
453 *listhead = newentry;
454 else
455 {
456 for (oldentry = *listhead; oldentry->next; oldentry = oldentry->next)
457 /* skip */ ;
458 oldentry->next = newentry;
459 }
460}
461
462/*
463 * Modify the array of lines, replacing "token" by "replacement"
464 * the first time it occurs on each line.
465 *
466 * The array must be a malloc'd array of individually malloc'd strings.
467 * We free any discarded strings.
468 *
469 * This does most of what sed was used for in the shell script, but
470 * doesn't need any regexp stuff.
471 */
472static char **
473replace_token(char **lines, const char *token, const char *replacement)
474{
475 int toklen,
476 replen,
477 diff;
478
479 toklen = strlen(token);
480 replen = strlen(replacement);
481 diff = replen - toklen;
482
483 for (int i = 0; lines[i]; i++)
484 {
485 char *where;
486 char *newline;
487 int pre;
488
489 /* nothing to do if no change needed */
490 if ((where = strstr(lines[i], token)) == NULL)
491 continue;
492
493 /* if we get here a change is needed - set up new line */
494
495 newline = (char *) pg_malloc(strlen(lines[i]) + diff + 1);
496
497 pre = where - lines[i];
498
499 memcpy(newline, lines[i], pre);
500
501 memcpy(newline + pre, replacement, replen);
502
503 strcpy(newline + pre + replen, lines[i] + pre + toklen);
504
505 free(lines[i]);
506 lines[i] = newline;
507 }
508
509 return lines;
510}
511
512/*
513 * Modify the array of lines, replacing the possibly-commented-out
514 * assignment of parameter guc_name with a live assignment of guc_value.
515 * The value will be suitably quoted.
516 *
517 * If mark_as_comment is true, the replacement line is prefixed with '#'.
518 * This is used for fixing up cases where the effective default might not
519 * match what is in postgresql.conf.sample.
520 *
521 * We assume there's at most one matching assignment. If we find no match,
522 * append a new line with the desired assignment.
523 *
524 * The array must be a malloc'd array of individually malloc'd strings.
525 * We free any discarded strings.
526 */
527static char **
528replace_guc_value(char **lines, const char *guc_name, const char *guc_value,
529 bool mark_as_comment)
530{
531 int namelen = strlen(guc_name);
532 PQExpBuffer newline = createPQExpBuffer();
533 int i;
534
535 /* prepare the replacement line, except for possible comment and newline */
536 if (mark_as_comment)
537 appendPQExpBufferChar(newline, '#');
538 appendPQExpBuffer(newline, "%s = ", guc_name);
539 if (guc_value_requires_quotes(guc_value))
540 appendPQExpBuffer(newline, "'%s'", escape_quotes(guc_value));
541 else
542 appendPQExpBufferStr(newline, guc_value);
543
544 for (i = 0; lines[i]; i++)
545 {
546 const char *where;
547 const char *namestart;
548
549 /*
550 * Look for a line assigning to guc_name. Typically it will be
551 * preceded by '#', but that might not be the case if a -c switch
552 * overrides a previous assignment. We allow leading whitespace too,
553 * although normally there wouldn't be any.
554 */
555 where = lines[i];
556 while (*where == '#' || isspace((unsigned char) *where))
557 where++;
558 if (pg_strncasecmp(where, guc_name, namelen) != 0)
559 continue;
560 namestart = where;
561 where += namelen;
562 while (isspace((unsigned char) *where))
563 where++;
564 if (*where != '=')
565 continue;
566
567 /* found it -- let's use the canonical casing shown in the file */
568 memcpy(&newline->data[mark_as_comment ? 1 : 0], namestart, namelen);
569
570 /* now append the original comment if any */
571 where = strrchr(where, '#');
572 if (where)
573 {
574 /*
575 * We try to preserve original indentation, which is tedious.
576 * oldindent and newindent are measured in de-tab-ified columns.
577 */
578 const char *ptr;
579 int oldindent = 0;
580 int newindent;
581
582 for (ptr = lines[i]; ptr < where; ptr++)
583 {
584 if (*ptr == '\t')
585 oldindent += 8 - (oldindent % 8);
586 else
587 oldindent++;
588 }
589 /* ignore the possibility of tabs in guc_value */
590 newindent = newline->len;
591 /* append appropriate tabs and spaces, forcing at least one */
592 oldindent = Max(oldindent, newindent + 1);
593 while (newindent < oldindent)
594 {
595 int newindent_if_tab = newindent + 8 - (newindent % 8);
596
597 if (newindent_if_tab <= oldindent)
598 {
599 appendPQExpBufferChar(newline, '\t');
600 newindent = newindent_if_tab;
601 }
602 else
603 {
604 appendPQExpBufferChar(newline, ' ');
605 newindent++;
606 }
607 }
608 /* and finally append the old comment */
609 appendPQExpBufferStr(newline, where);
610 /* we'll have appended the original newline; don't add another */
611 }
612 else
613 appendPQExpBufferChar(newline, '\n');
614
615 free(lines[i]);
616 lines[i] = newline->data;
617
618 break; /* assume there's only one match */
619 }
620
621 if (lines[i] == NULL)
622 {
623 /*
624 * No match, so append a new entry. (We rely on the bootstrap server
625 * to complain if it's not a valid GUC name.)
626 */
627 appendPQExpBufferChar(newline, '\n');
628 lines = pg_realloc_array(lines, char *, i + 2);
629 lines[i++] = newline->data;
630 lines[i] = NULL; /* keep the array null-terminated */
631 }
632
633 free(newline); /* but don't free newline->data */
634
635 return lines;
636}
637
638/*
639 * Decide if we should quote a replacement GUC value. We aren't too tense
640 * here, but we'd like to avoid quoting simple identifiers and numbers
641 * with units, which are common cases.
642 */
643static bool
644guc_value_requires_quotes(const char *guc_value)
645{
646 /* Don't use <ctype.h> macros here, they might accept too much */
647#define LETTERS "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
648#define DIGITS "0123456789"
649
650 if (*guc_value == '\0')
651 return true; /* empty string must be quoted */
652 if (strchr(LETTERS, *guc_value))
653 {
654 if (strspn(guc_value, LETTERS DIGITS) == strlen(guc_value))
655 return false; /* it's an identifier */
656 return true; /* nope */
657 }
658 if (strchr(DIGITS, *guc_value))
659 {
660 /* skip over digits */
661 guc_value += strspn(guc_value, DIGITS);
662 /* there can be zero or more unit letters after the digits */
663 if (strspn(guc_value, LETTERS) == strlen(guc_value))
664 return false; /* it's a number, possibly with units */
665 return true; /* nope */
666 }
667 return true; /* all else must be quoted */
668}
669
670/*
671 * get the lines from a text file
672 *
673 * The result is a malloc'd array of individually malloc'd strings.
674 */
675static char **
676readfile(const char *path)
677{
678 char **result;
679 FILE *infile;
680 StringInfoData line;
681 int maxlines;
682 int n;
683
684 if ((infile = fopen(path, "r")) == NULL)
685 pg_fatal("could not open file \"%s\" for reading: %m", path);
686
687 initStringInfo(&line);
688
689 maxlines = 1024;
690 result = pg_malloc_array(char *, maxlines);
691
692 n = 0;
693 while (pg_get_line_buf(infile, &line))
694 {
695 /* make sure there will be room for a trailing NULL pointer */
696 if (n >= maxlines - 1)
697 {
698 maxlines *= 2;
699 result = pg_realloc_array(result, char *, maxlines);
700 }
701
702 result[n++] = pg_strdup(line.data);
703 }
704 result[n] = NULL;
705
706 pfree(line.data);
707
708 fclose(infile);
709
710 return result;
711}
712
713/*
714 * write an array of lines to a file
715 *
716 * "lines" must be a malloc'd array of individually malloc'd strings.
717 * All that data is freed here.
718 *
719 * This is only used to write text files. Use fopen "w" not PG_BINARY_W
720 * so that the resulting configuration files are nicely editable on Windows.
721 */
722static void
723writefile(char *path, char **lines)
724{
725 FILE *out_file;
726 char **line;
727
728 if ((out_file = fopen(path, "w")) == NULL)
729 pg_fatal("could not open file \"%s\" for writing: %m", path);
730 for (line = lines; *line != NULL; line++)
731 {
732 if (fputs(*line, out_file) < 0)
733 pg_fatal("could not write file \"%s\": %m", path);
734 free(*line);
735 }
736 if (fclose(out_file))
737 pg_fatal("could not close file \"%s\": %m", path);
738 free(lines);
739}
740
741/*
742 * Open a subcommand with suitable error messaging
743 */
744static FILE *
745popen_check(const char *command, const char *mode)
746{
747 FILE *cmdfd;
748
749 fflush(NULL);
750 errno = 0;
751 cmdfd = popen(command, mode);
752 if (cmdfd == NULL)
753 pg_log_error("could not execute command \"%s\": %m", command);
754 return cmdfd;
755}
756
757/*
758 * clean up any files we created on failure
759 * if we created the data directory remove it too
760 */
761static void
762cleanup_directories_atexit(void)
763{
764 if (success)
765 return;
766
767 if (!noclean)
768 {
769 if (made_new_pgdata)
770 {
771 pg_log_info("removing data directory \"%s\"", pg_data);
772 if (!rmtree(pg_data, true))
773 pg_log_error("failed to remove data directory");
774 }
775 else if (found_existing_pgdata)
776 {
777 pg_log_info("removing contents of data directory \"%s\"",
778 pg_data);
779 if (!rmtree(pg_data, false))
780 pg_log_error("failed to remove contents of data directory");
781 }
782
783 if (made_new_xlogdir)
784 {
785 pg_log_info("removing WAL directory \"%s\"", xlog_dir);
786 if (!rmtree(xlog_dir, true))
787 pg_log_error("failed to remove WAL directory");
788 }
789 else if (found_existing_xlogdir)
790 {
791 pg_log_info("removing contents of WAL directory \"%s\"", xlog_dir);
792 if (!rmtree(xlog_dir, false))
793 pg_log_error("failed to remove contents of WAL directory");
794 }
795 /* otherwise died during startup, do nothing! */
796 }
797 else
798 {
799 if (made_new_pgdata || found_existing_pgdata)
800 pg_log_info("data directory \"%s\" not removed at user's request",
801 pg_data);
802
803 if (made_new_xlogdir || found_existing_xlogdir)
804 pg_log_info("WAL directory \"%s\" not removed at user's request",
805 xlog_dir);
806 }
807}
808
809/*
810 * find the current user
811 *
812 * on unix make sure it isn't root
813 */
814static char *
815get_id(void)
816{
817 const char *username;
818
819#ifndef WIN32
820 if (geteuid() == 0) /* 0 is root's uid */
821 {
822 pg_log_error("cannot be run as root");
823 pg_log_error_hint("Please log in (using, e.g., \"su\") as the (unprivileged) user that will own the server process.");
824 exit(1);
825 }
826#endif
827
828 username = get_user_name_or_exit(progname);
829
830 return pg_strdup(username);
831}
832
833static char *
834encodingid_to_string(int enc)
835{
836 char result[20];
837
838 sprintf(result, "%d", enc);
839 return pg_strdup(result);
840}
841
842/*
843 * get the encoding id for a given encoding name
844 */
845static int
846get_encoding_id(const char *encoding_name)
847{
848 int enc;
849
850 if (encoding_name && *encoding_name)
851 {
852 if ((enc = pg_valid_server_encoding(encoding_name)) >= 0)
853 return enc;
854 }
855 pg_fatal("\"%s\" is not a valid server encoding name",
856 encoding_name ? encoding_name : "(null)");
857}
858
859/*
860 * Support for determining the best default text search configuration.
861 * We key this off the first part of LC_CTYPE (ie, the language name).
862 */
863struct tsearch_config_match
864{
865 const char *tsconfname;
866 const char *langname;
867};
868
869static const struct tsearch_config_match tsearch_config_languages[] =
870{
871 {"arabic", "ar"},
872 {"arabic", "Arabic"},
873 {"armenian", "hy"},
874 {"armenian", "Armenian"},
875 {"basque", "eu"},
876 {"basque", "Basque"},
877 {"catalan", "ca"},
878 {"catalan", "Catalan"},
879 {"danish", "da"},
880 {"danish", "Danish"},
881 {"dutch", "nl"},
882 {"dutch", "Dutch"},
883 {"english", "C"},
884 {"english", "POSIX"},
885 {"english", "en"},
886 {"english", "English"},
887 {"estonian", "et"},
888 {"estonian", "Estonian"},
889 {"finnish", "fi"},
890 {"finnish", "Finnish"},
891 {"french", "fr"},
892 {"french", "French"},
893 {"german", "de"},
894 {"german", "German"},
895 {"greek", "el"},
896 {"greek", "Greek"},
897 {"hindi", "hi"},
898 {"hindi", "Hindi"},
899 {"hungarian", "hu"},
900 {"hungarian", "Hungarian"},
901 {"indonesian", "id"},
902 {"indonesian", "Indonesian"},
903 {"irish", "ga"},
904 {"irish", "Irish"},
905 {"italian", "it"},
906 {"italian", "Italian"},
907 {"lithuanian", "lt"},
908 {"lithuanian", "Lithuanian"},
909 {"nepali", "ne"},
910 {"nepali", "Nepali"},
911 {"norwegian", "no"},
912 {"norwegian", "Norwegian"},
913 {"polish", "pl"},
914 {"polish", "Polish"},
915 {"portuguese", "pt"},
916 {"portuguese", "Portuguese"},
917 {"romanian", "ro"},
918 {"russian", "ru"},
919 {"russian", "Russian"},
920 {"serbian", "sr"},
921 {"serbian", "Serbian"},
922 {"spanish", "es"},
923 {"spanish", "Spanish"},
924 {"swedish", "sv"},
925 {"swedish", "Swedish"},
926 {"tamil", "ta"},
927 {"tamil", "Tamil"},
928 {"turkish", "tr"},
929 {"turkish", "Turkish"},
930 {"yiddish", "yi"},
931 {"yiddish", "Yiddish"},
932 {NULL, NULL} /* end marker */
933};
934
935/*
936 * Look for a text search configuration matching lc_ctype, and return its
937 * name; return NULL if no match.
938 */
939static const char *
940find_matching_ts_config(const char *lc_type)
941{
942 int i;
943 char *langname,
944 *ptr;
945
946 /*
947 * Convert lc_ctype to a language name by stripping everything after an
948 * underscore (usual case) or a hyphen (Windows "locale name"; see
949 * comments at IsoLocaleName()).
950 *
951 * XXX Should ' ' be a stop character? This would select "norwegian" for
952 * the Windows locale "Norwegian (Nynorsk)_Norway.1252". If we do so, we
953 * should also accept the "nn" and "nb" Unix locales.
954 *
955 * Just for paranoia, we also stop at '.' or '@'.
956 */
957 if (lc_type == NULL)
958 langname = pg_strdup("");
959 else
960 {
961 ptr = langname = pg_strdup(lc_type);
962 while (*ptr &&
963 *ptr != '_' && *ptr != '-' && *ptr != '.' && *ptr != '@')
964 ptr++;
965 *ptr = '\0';
966 }
967
968 for (i = 0; tsearch_config_languages[i].tsconfname; i++)
969 {
970 if (pg_strcasecmp(tsearch_config_languages[i].langname, langname) == 0)
971 {
972 free(langname);
973 return tsearch_config_languages[i].tsconfname;
974 }
975 }
976
977 free(langname);
978 return NULL;
979}
980
981
982/*
983 * set name of given input file variable under data directory
984 */
985static void
986set_input(char **dest, const char *filename)
987{
988 *dest = psprintf("%s/%s", share_path, filename);
989}
990
991/*
992 * check that given input file exists
993 */
994static void
995check_input(char *path)
996{
997 struct stat statbuf;
998
999 if (stat(path, &statbuf) != 0)
1000 {
1001 if (errno == ENOENT)
1002 {
1003 pg_log_error("file \"%s\" does not exist", path);
1004 pg_log_error_hint("This might mean you have a corrupted installation or identified the wrong directory with the invocation option -L.");
1005 }
1006 else
1007 {
1008 pg_log_error("could not access file \"%s\": %m", path);
1009 pg_log_error_hint("This might mean you have a corrupted installation or identified the wrong directory with the invocation option -L.");
1010 }
1011 exit(1);
1012 }
1013 if (!S_ISREG(statbuf.st_mode))
1014 {
1015 pg_log_error("file \"%s\" is not a regular file", path);
1016 pg_log_error_hint("This might mean you have a corrupted installation or identified the wrong directory with the invocation option -L.");
1017 exit(1);
1018 }
1019}
1020
1021/*
1022 * write out the PG_VERSION file in the data dir, or its subdirectory
1023 * if extrapath is not NULL
1024 */
1025static void
1026write_version_file(const char *extrapath)
1027{
1028 FILE *version_file;
1029 char *path;
1030
1031 if (extrapath == NULL)
1032 path = psprintf("%s/PG_VERSION", pg_data);
1033 else
1034 path = psprintf("%s/%s/PG_VERSION", pg_data, extrapath);
1035
1036 if ((version_file = fopen(path, PG_BINARY_W)) == NULL)
1037 pg_fatal("could not open file \"%s\" for writing: %m", path);
1038 if (fprintf(version_file, "%s\n", PG_MAJORVERSION) < 0 ||
1039 fclose(version_file))
1040 pg_fatal("could not write file \"%s\": %m", path);
1041 free(path);
1042}
1043
1044/*
1045 * set up an empty config file so we can check config settings by launching
1046 * a test backend
1047 */
1048static void
1049set_null_conf(void)
1050{
1051 FILE *conf_file;
1052 char *path;
1053
1054 path = psprintf("%s/postgresql.conf", pg_data);
1055 conf_file = fopen(path, PG_BINARY_W);
1056 if (conf_file == NULL)
1057 pg_fatal("could not open file \"%s\" for writing: %m", path);
1058 if (fclose(conf_file))
1059 pg_fatal("could not write file \"%s\": %m", path);
1060 free(path);
1061}
1062
1063/*
1064 * Determine which dynamic shared memory implementation should be used on
1065 * this platform. POSIX shared memory is preferable because the default
1066 * allocation limits are much higher than the limits for System V on most
1067 * systems that support both, but the fact that a platform has shm_open
1068 * doesn't guarantee that that call will succeed when attempted. So, we
1069 * attempt to reproduce what the postmaster will do when allocating a POSIX
1070 * segment in dsm_impl.c; if it doesn't work, we assume it won't work for
1071 * the postmaster either, and configure the cluster for System V shared
1072 * memory instead.
1073 *
1074 * We avoid choosing Solaris's implementation of shm_open() by default. It
1075 * can sleep and fail spuriously under contention.
1076 */
1077static const char *
1078choose_dsm_implementation(void)
1079{
1080#if defined(HAVE_SHM_OPEN) && !defined(__sun__)
1081 int ntries = 10;
1082 pg_prng_state prng_state;
1083
1084 /* Initialize prng; this function is its only user in this program. */
1085 pg_prng_seed(&prng_state, (uint64) (getpid() ^ time(NULL)));
1086
1087 while (ntries > 0)
1088 {
1089 uint32 handle;
1090 char name[64];
1091 int fd;
1092
1093 handle = pg_prng_uint32(&prng_state);
1094 snprintf(name, 64, "/PostgreSQL.%u", handle);
1095 if ((fd = shm_open(name, O_CREAT | O_RDWR | O_EXCL, 0600)) != -1)
1096 {
1097 close(fd);
1098 shm_unlink(name);
1099 return "posix";
1100 }
1101 if (errno != EEXIST)
1102 break;
1103 --ntries;
1104 }
1105#endif
1106
1107#ifdef WIN32
1108 return "windows";
1109#else
1110 return "sysv";
1111#endif
1112}
1113
1114/*
1115 * Determine platform-specific config settings
1116 *
1117 * Use reasonable values if kernel will let us, else scale back.
1118 */
1119static void
1120test_config_settings(void)
1121{
1122 /*
1123 * This macro defines the minimum shared_buffers we want for a given
1124 * max_connections value. The arrays show the settings to try.
1125 */
1126#define MIN_BUFS_FOR_CONNS(nconns) ((nconns) * 10)
1127
1128 /*
1129 * This macro defines the default value of autovacuum_worker_slots we want
1130 * for a given max_connections value. Note that it has been carefully
1131 * crafted to provide specific values for the associated values in
1132 * trial_conns. We want it to return autovacuum_worker_slots's initial
1133 * default value (16) for the maximum value in trial_conns[] (100), while
1134 * it mustn't return less than the default value of autovacuum_max_workers
1135 * (3) for the minimum value in trial_conns[].
1136 */
1137#define AV_SLOTS_FOR_CONNS(nconns) ((nconns) / 6)
1138
1139 static const int trial_conns[] = {
1140 100, 50, 40, 30, 20
1141 };
1142 static const int trial_bufs[] = {
1143 16384, 8192, 4096, 3584, 3072, 2560, 2048, 1536,
1144 1000, 900, 800, 700, 600, 500,
1145 400, 300, 200, 100, 50
1146 };
1147
1148 const int connslen = sizeof(trial_conns) / sizeof(int);
1149 const int bufslen = sizeof(trial_bufs) / sizeof(int);
1150 int i,
1151 test_conns,
1152 test_buffs,
1153 ok_buffers = 0;
1154
1155 /*
1156 * Need to determine working DSM implementation first so that subsequent
1157 * tests don't fail because DSM setting doesn't work.
1158 */
1159 printf(_("selecting dynamic shared memory implementation ... "));
1160 fflush(stdout);
1161 dynamic_shared_memory_type = choose_dsm_implementation();
1162 printf("%s\n", dynamic_shared_memory_type);
1163
1164 /*
1165 * Probe for max_connections before shared_buffers, since it is subject to
1166 * more constraints than shared_buffers. We also choose the default
1167 * autovacuum_worker_slots here.
1168 */
1169 printf(_("selecting default \"max_connections\" ... "));
1170 fflush(stdout);
1171
1172 for (i = 0; i < connslen; i++)
1173 {
1174 test_conns = trial_conns[i];
1175 n_av_slots = AV_SLOTS_FOR_CONNS(test_conns);
1176 test_buffs = MIN_BUFS_FOR_CONNS(test_conns);
1177
1178 if (test_specific_config_settings(test_conns, n_av_slots, test_buffs))
1179 {
1180 ok_buffers = test_buffs;
1181 break;
1182 }
1183 }
1184 if (i >= connslen)
1185 i = connslen - 1;
1186 n_connections = trial_conns[i];
1187
1188 printf("%d\n", n_connections);
1189
1190 printf(_("selecting default \"shared_buffers\" ... "));
1191 fflush(stdout);
1192
1193 for (i = 0; i < bufslen; i++)
1194 {
1195 /* Use same amount of memory, independent of BLCKSZ */
1196 test_buffs = (trial_bufs[i] * 8192) / BLCKSZ;
1197 if (test_buffs <= ok_buffers)
1198 {
1199 test_buffs = ok_buffers;
1200 break;
1201 }
1202
1203 if (test_specific_config_settings(n_connections, n_av_slots, test_buffs))
1204 break;
1205 }
1206 n_buffers = test_buffs;
1207
1208 if ((n_buffers * (BLCKSZ / 1024)) % 1024 == 0)
1209 printf("%dMB\n", (n_buffers * (BLCKSZ / 1024)) / 1024);
1210 else
1211 printf("%dkB\n", n_buffers * (BLCKSZ / 1024));
1212
1213 printf(_("selecting default time zone ... "));
1214 fflush(stdout);
1215 default_timezone = select_default_timezone(share_path);
1216 printf("%s\n", default_timezone ? default_timezone : "GMT");
1217}
1218
1219/*
1220 * Test a specific combination of configuration settings.
1221 */
1222static bool
1223test_specific_config_settings(int test_conns, int test_av_slots, int test_buffs)
1224{
1225 PQExpBufferData cmd;
1226 _stringlist *gnames,
1227 *gvalues;
1228 int status;
1229
1230 initPQExpBuffer(&cmd);
1231
1232 /* Set up the test postmaster invocation */
1233 printfPQExpBuffer(&cmd,
1234 "\"%s\" --check %s %s "
1235 "-c max_connections=%d "
1236 "-c autovacuum_worker_slots=%d "
1237 "-c shared_buffers=%d "
1238 "-c dynamic_shared_memory_type=%s",
1239 backend_exec, boot_options, extra_options,
1240 test_conns, test_av_slots, test_buffs,
1241 dynamic_shared_memory_type);
1242
1243 /* Add any user-given setting overrides */
1244 for (gnames = extra_guc_names, gvalues = extra_guc_values;
1245 gnames != NULL; /* assume lists have the same length */
1246 gnames = gnames->next, gvalues = gvalues->next)
1247 {
1248 appendPQExpBuffer(&cmd, " -c %s=", gnames->str);
1249 appendShellString(&cmd, gvalues->str);
1250 }
1251
1252 appendPQExpBuffer(&cmd,
1253 " < \"%s\" > \"%s\" 2>&1",
1254 DEVNULL, DEVNULL);
1255
1256 fflush(NULL);
1257 status = system(cmd.data);
1258
1259 termPQExpBuffer(&cmd);
1260
1261 return (status == 0);
1262}
1263
1264/*
1265 * Calculate the default wal_size with a "pretty" unit.
1266 */
1267static char *
1268pretty_wal_size(int segment_count)
1269{
1270 int sz = wal_segment_size_mb * segment_count;
1271 char *result = pg_malloc(14);
1272
1273 if ((sz % 1024) == 0)
1274 snprintf(result, 14, "%dGB", sz / 1024);
1275 else
1276 snprintf(result, 14, "%dMB", sz);
1277
1278 return result;
1279}
1280
1281/*
1282 * set up all the config files
1283 */
1284static void
1285setup_config(void)
1286{
1287 char **conflines;
1288 char repltok[MAXPGPATH];
1289 char path[MAXPGPATH];
1290 _stringlist *gnames,
1291 *gvalues;
1292
1293 fputs(_("creating configuration files ... "), stdout);
1294 fflush(stdout);
1295
1296 /* postgresql.conf */
1297
1298 conflines = readfile(conf_file);
1299
1300 snprintf(repltok, sizeof(repltok), "%d", n_connections);
1301 conflines = replace_guc_value(conflines, "max_connections",
1302 repltok, false);
1303
1304 snprintf(repltok, sizeof(repltok), "%d", n_av_slots);
1305 conflines = replace_guc_value(conflines, "autovacuum_worker_slots",
1306 repltok, false);
1307
1308 if ((n_buffers * (BLCKSZ / 1024)) % 1024 == 0)
1309 snprintf(repltok, sizeof(repltok), "%dMB",
1310 (n_buffers * (BLCKSZ / 1024)) / 1024);
1311 else
1312 snprintf(repltok, sizeof(repltok), "%dkB",
1313 n_buffers * (BLCKSZ / 1024));
1314 conflines = replace_guc_value(conflines, "shared_buffers",
1315 repltok, false);
1316
1317 conflines = replace_guc_value(conflines, "lc_messages",
1318 lc_messages, false);
1319
1320 conflines = replace_guc_value(conflines, "lc_monetary",
1321 lc_monetary, false);
1322
1323 conflines = replace_guc_value(conflines, "lc_numeric",
1324 lc_numeric, false);
1325
1326 conflines = replace_guc_value(conflines, "lc_time",
1327 lc_time, false);
1328
1329 switch (locale_date_order(lc_time))
1330 {
1331 case DATEORDER_YMD:
1332 strcpy(repltok, "iso, ymd");
1333 break;
1334 case DATEORDER_DMY:
1335 strcpy(repltok, "iso, dmy");
1336 break;
1337 case DATEORDER_MDY:
1338 default:
1339 strcpy(repltok, "iso, mdy");
1340 break;
1341 }
1342 conflines = replace_guc_value(conflines, "datestyle",
1343 repltok, false);
1344
1345 snprintf(repltok, sizeof(repltok), "pg_catalog.%s",
1346 default_text_search_config);
1347 conflines = replace_guc_value(conflines, "default_text_search_config",
1348 repltok, false);
1349
1350 if (default_timezone)
1351 {
1352 conflines = replace_guc_value(conflines, "timezone",
1353 default_timezone, false);
1354 conflines = replace_guc_value(conflines, "log_timezone",
1355 default_timezone, false);
1356 }
1357
1358 conflines = replace_guc_value(conflines, "dynamic_shared_memory_type",
1359 dynamic_shared_memory_type, false);
1360
1361 /* Caution: these depend on wal_segment_size_mb, they're not constants */
1362 conflines = replace_guc_value(conflines, "min_wal_size",
1363 pretty_wal_size(DEFAULT_MIN_WAL_SEGS), false);
1364
1365 conflines = replace_guc_value(conflines, "max_wal_size",
1366 pretty_wal_size(DEFAULT_MAX_WAL_SEGS), false);
1367
1368 /*
1369 * Fix up various entries to match the true compile-time defaults. Since
1370 * these are indeed defaults, keep the postgresql.conf lines commented.
1371 */
1372 conflines = replace_guc_value(conflines, "unix_socket_directories",
1373 DEFAULT_PGSOCKET_DIR, true);
1374
1375 conflines = replace_guc_value(conflines, "port",
1376 DEF_PGPORT_STR, true);
1377
1378#if DEFAULT_BACKEND_FLUSH_AFTER > 0
1379 snprintf(repltok, sizeof(repltok), "%dkB",
1380 DEFAULT_BACKEND_FLUSH_AFTER * (BLCKSZ / 1024));
1381 conflines = replace_guc_value(conflines, "backend_flush_after",
1382 repltok, true);
1383#endif
1384
1385#if DEFAULT_BGWRITER_FLUSH_AFTER > 0
1386 snprintf(repltok, sizeof(repltok), "%dkB",
1387 DEFAULT_BGWRITER_FLUSH_AFTER * (BLCKSZ / 1024));
1388 conflines = replace_guc_value(conflines, "bgwriter_flush_after",
1389 repltok, true);
1390#endif
1391
1392#if DEFAULT_CHECKPOINT_FLUSH_AFTER > 0
1393 snprintf(repltok, sizeof(repltok), "%dkB",
1394 DEFAULT_CHECKPOINT_FLUSH_AFTER * (BLCKSZ / 1024));
1395 conflines = replace_guc_value(conflines, "checkpoint_flush_after",
1396 repltok, true);
1397#endif
1398
1399#ifdef WIN32
1400 conflines = replace_guc_value(conflines, "update_process_title",
1401 "off", true);
1402#endif
1403
1404 /*
1405 * Change password_encryption setting to md5 if md5 was chosen as an
1406 * authentication method, unless scram-sha-256 was also chosen.
1407 */
1408 if ((strcmp(authmethodlocal, "md5") == 0 &&
1409 strcmp(authmethodhost, "scram-sha-256") != 0) ||
1410 (strcmp(authmethodhost, "md5") == 0 &&
1411 strcmp(authmethodlocal, "scram-sha-256") != 0))
1412 {
1413 conflines = replace_guc_value(conflines, "password_encryption",
1414 "md5", false);
1415 }
1416
1417 /*
1418 * If group access has been enabled for the cluster then it makes sense to
1419 * ensure that the log files also allow group access. Otherwise a backup
1420 * from a user in the group would fail if the log files were not
1421 * relocated.
1422 */
1423 if (pg_dir_create_mode == PG_DIR_MODE_GROUP)
1424 {
1425 conflines = replace_guc_value(conflines, "log_file_mode",
1426 "0640", false);
1427 }
1428
1429 /*
1430 * Now replace anything that's overridden via -c switches.
1431 */
1432 for (gnames = extra_guc_names, gvalues = extra_guc_values;
1433 gnames != NULL; /* assume lists have the same length */
1434 gnames = gnames->next, gvalues = gvalues->next)
1435 {
1436 conflines = replace_guc_value(conflines, gnames->str,
1437 gvalues->str, false);
1438 }
1439
1440 /* ... and write out the finished postgresql.conf file */
1441 snprintf(path, sizeof(path), "%s/postgresql.conf", pg_data);
1442
1443 writefile(path, conflines);
1444 if (chmod(path, pg_file_create_mode) != 0)
1445 pg_fatal("could not change permissions of \"%s\": %m", path);
1446
1447
1448 /* postgresql.auto.conf */
1449
1450 conflines = pg_malloc_array(char *, 3);
1451 conflines[0] = pg_strdup("# Do not edit this file manually!\n");
1452 conflines[1] = pg_strdup("# It will be overwritten by the ALTER SYSTEM command.\n");
1453 conflines[2] = NULL;
1454
1455 sprintf(path, "%s/postgresql.auto.conf", pg_data);
1456
1457 writefile(path, conflines);
1458 if (chmod(path, pg_file_create_mode) != 0)
1459 pg_fatal("could not change permissions of \"%s\": %m", path);
1460
1461
1462 /* pg_hba.conf */
1463
1464 conflines = readfile(hba_file);
1465
1466 /*
1467 * Probe to see if there is really any platform support for IPv6, and
1468 * comment out the relevant pg_hba line if not. This avoids runtime
1469 * warnings if getaddrinfo doesn't actually cope with IPv6. Particularly
1470 * useful on Windows, where executables built on a machine with IPv6 may
1471 * have to run on a machine without.
1472 */
1473 {
1474 struct addrinfo *gai_result;
1475 struct addrinfo hints;
1476 int err = 0;
1477
1478#ifdef WIN32
1479 /* need to call WSAStartup before calling getaddrinfo */
1480 WSADATA wsaData;
1481
1482 err = WSAStartup(MAKEWORD(2, 2), &wsaData);
1483#endif
1484
1485 /* for best results, this code should match parse_hba_line() */
1486 hints.ai_flags = AI_NUMERICHOST;
1487 hints.ai_family = AF_UNSPEC;
1488 hints.ai_socktype = 0;
1489 hints.ai_protocol = 0;
1490 hints.ai_addrlen = 0;
1491 hints.ai_canonname = NULL;
1492 hints.ai_addr = NULL;
1493 hints.ai_next = NULL;
1494
1495 if (err != 0 ||
1496 getaddrinfo("::1", NULL, &hints, &gai_result) != 0)
1497 {
1498 conflines = replace_token(conflines,
1499 "host all all ::1",
1500 "#host all all ::1");
1501 conflines = replace_token(conflines,
1502 "host replication all ::1",
1503 "#host replication all ::1");
1504 }
1505 }
1506
1507 /* Replace default authentication methods */
1508 conflines = replace_token(conflines,
1509 "@authmethodhost@",
1510 authmethodhost);
1511 conflines = replace_token(conflines,
1512 "@authmethodlocal@",
1513 authmethodlocal);
1514
1515 conflines = replace_token(conflines,
1516 "@authcomment@",
1517 (strcmp(authmethodlocal, "trust") == 0 || strcmp(authmethodhost, "trust") == 0) ? AUTHTRUST_WARNING : "");
1518
1519 snprintf(path, sizeof(path), "%s/pg_hba.conf", pg_data);
1520
1521 writefile(path, conflines);
1522 if (chmod(path, pg_file_create_mode) != 0)
1523 pg_fatal("could not change permissions of \"%s\": %m", path);
1524
1525
1526 /* pg_ident.conf */
1527
1528 conflines = readfile(ident_file);
1529
1530 snprintf(path, sizeof(path), "%s/pg_ident.conf", pg_data);
1531
1532 writefile(path, conflines);
1533 if (chmod(path, pg_file_create_mode) != 0)
1534 pg_fatal("could not change permissions of \"%s\": %m", path);
1535
1536 check_ok();
1537}
1538
1539
1540/*
1541 * run the BKI script in bootstrap mode to create template1
1542 */
1543static void
1544bootstrap_template1(void)
1545{
1546 PG_CMD_DECL;
1547 PQExpBufferData cmd;
1548 char **line;
1549 char **bki_lines;
1550 char headerline[MAXPGPATH];
1551 char buf[64];
1552
1553 printf(_("running bootstrap script ... "));
1554 fflush(stdout);
1555
1556 bki_lines = readfile(bki_file);
1557
1558 /* Check that bki file appears to be of the right version */
1559
1560 snprintf(headerline, sizeof(headerline), "# PostgreSQL %s\n",
1561 PG_MAJORVERSION);
1562
1563 if (strcmp(headerline, *bki_lines) != 0)
1564 {
1565 pg_log_error("input file \"%s\" does not belong to PostgreSQL %s",
1566 bki_file, PG_VERSION);
1567 pg_log_error_hint("Specify the correct path using the option -L.");
1568 exit(1);
1569 }
1570
1571 /* Substitute for various symbols used in the BKI file */
1572
1573 sprintf(buf, "%d", NAMEDATALEN);
1574 bki_lines = replace_token(bki_lines, "NAMEDATALEN", buf);
1575
1576 sprintf(buf, "%d", (int) sizeof(Pointer));
1577 bki_lines = replace_token(bki_lines, "SIZEOF_POINTER", buf);
1578
1579 bki_lines = replace_token(bki_lines, "ALIGNOF_POINTER",
1580 (sizeof(Pointer) == 4) ? "i" : "d");
1581
1582 bki_lines = replace_token(bki_lines, "POSTGRES",
1583 escape_quotes_bki(username));
1584
1585 bki_lines = replace_token(bki_lines, "ENCODING",
1586 encodingid_to_string(encodingid));
1587
1588 bki_lines = replace_token(bki_lines, "LC_COLLATE",
1589 escape_quotes_bki(lc_collate));
1590
1591 bki_lines = replace_token(bki_lines, "LC_CTYPE",
1592 escape_quotes_bki(lc_ctype));
1593
1594 bki_lines = replace_token(bki_lines, "DATLOCALE",
1595 datlocale ? escape_quotes_bki(datlocale) : "_null_");
1596
1597 bki_lines = replace_token(bki_lines, "ICU_RULES",
1598 icu_rules ? escape_quotes_bki(icu_rules) : "_null_");
1599
1600 sprintf(buf, "%c", locale_provider);
1601 bki_lines = replace_token(bki_lines, "LOCALE_PROVIDER", buf);
1602
1603 /* Also ensure backend isn't confused by this environment var: */
1604 unsetenv("PGCLIENTENCODING");
1605
1606 initPQExpBuffer(&cmd);
1607
1608 printfPQExpBuffer(&cmd, "\"%s\" --boot %s %s", backend_exec, boot_options, extra_options);
1609 appendPQExpBuffer(&cmd, " -X %d", wal_segment_size_mb * (1024 * 1024));
1610 if (data_checksums)
1611 appendPQExpBufferStr(&cmd, " -k");
1612 if (debug)
1613 appendPQExpBufferStr(&cmd, " -d 5");
1614
1615
1616 PG_CMD_OPEN(cmd.data);
1617
1618 for (line = bki_lines; *line != NULL; line++)
1619 {
1620 PG_CMD_PUTS(*line);
1621 free(*line);
1622 }
1623
1624 PG_CMD_CLOSE();
1625
1626 termPQExpBuffer(&cmd);
1627 free(bki_lines);
1628
1629 check_ok();
1630}
1631
1632/*
1633 * set up the shadow password table
1634 */
1635static void
1636setup_auth(FILE *cmdfd)
1637{
1638 /*
1639 * The authid table shouldn't be readable except through views, to ensure
1640 * passwords are not publicly visible.
1641 */
1642 PG_CMD_PUTS("REVOKE ALL ON pg_authid FROM public;\n\n");
1643
1644 if (superuser_password)
1645 PG_CMD_PRINTF("ALTER USER \"%s\" WITH PASSWORD E'%s';\n\n",
1646 username, escape_quotes(superuser_password));
1647}
1648
1649/*
1650 * get the superuser password if required
1651 */
1652static void
1653get_su_pwd(void)
1654{
1655 char *pwd1;
1656
1657 if (pwprompt)
1658 {
1659 /*
1660 * Read password from terminal
1661 */
1662 char *pwd2;
1663
1664 printf("\n");
1665 fflush(stdout);
1666 pwd1 = simple_prompt("Enter new superuser password: ", false);
1667 pwd2 = simple_prompt("Enter it again: ", false);
1668 if (strcmp(pwd1, pwd2) != 0)
1669 {
1670 fprintf(stderr, _("Passwords didn't match.\n"));
1671 exit(1);
1672 }
1673 free(pwd2);
1674 }
1675 else
1676 {
1677 /*
1678 * Read password from file
1679 *
1680 * Ideally this should insist that the file not be world-readable.
1681 * However, this option is mainly intended for use on Windows where
1682 * file permissions may not exist at all, so we'll skip the paranoia
1683 * for now.
1684 */
1685 FILE *pwf = fopen(pwfilename, "r");
1686
1687 if (!pwf)
1688 pg_fatal("could not open file \"%s\" for reading: %m",
1689 pwfilename);
1690 pwd1 = pg_get_line(pwf, NULL);
1691 if (!pwd1)
1692 {
1693 if (ferror(pwf))
1694 pg_fatal("could not read password from file \"%s\": %m",
1695 pwfilename);
1696 else
1697 pg_fatal("password file \"%s\" is empty",
1698 pwfilename);
1699 }
1700 fclose(pwf);
1701
1702 (void) pg_strip_crlf(pwd1);
1703 }
1704
1705 superuser_password = pwd1;
1706}
1707
1708/*
1709 * set up pg_depend
1710 */
1711static void
1712setup_depend(FILE *cmdfd)
1713{
1714 /*
1715 * Advance the OID counter so that subsequently-created objects aren't
1716 * pinned.
1717 */
1718 PG_CMD_PUTS("SELECT pg_stop_making_pinned_objects();\n\n");
1719}
1720
1721/*
1722 * Run external file
1723 */
1724static void
1725setup_run_file(FILE *cmdfd, const char *filename)
1726{
1727 char **lines;
1728
1729 lines = readfile(filename);
1730
1731 for (char **line = lines; *line != NULL; line++)
1732 {
1733 PG_CMD_PUTS(*line);
1734 free(*line);
1735 }
1736
1737 PG_CMD_PUTS("\n\n");
1738
1739 free(lines);
1740}
1741
1742/*
1743 * fill in extra description data
1744 */
1745static void
1746setup_description(FILE *cmdfd)
1747{
1748 /* Create default descriptions for operator implementation functions */
1749 PG_CMD_PUTS("WITH funcdescs AS ( "
1750 "SELECT p.oid as p_oid, o.oid as o_oid, oprname "
1751 "FROM pg_proc p JOIN pg_operator o ON oprcode = p.oid ) "
1752 "INSERT INTO pg_description "
1753 " SELECT p_oid, 'pg_proc'::regclass, 0, "
1754 " 'implementation of ' || oprname || ' operator' "
1755 " FROM funcdescs "
1756 " WHERE NOT EXISTS (SELECT 1 FROM pg_description "
1757 " WHERE objoid = p_oid AND classoid = 'pg_proc'::regclass) "
1758 " AND NOT EXISTS (SELECT 1 FROM pg_description "
1759 " WHERE objoid = o_oid AND classoid = 'pg_operator'::regclass"
1760 " AND description LIKE 'deprecated%');\n\n");
1761}
1762
1763/*
1764 * populate pg_collation
1765 */
1766static void
1767setup_collation(FILE *cmdfd)
1768{
1769 /*
1770 * Set the collation version for collations defined in pg_collation.dat,
1771 * but not the ones where we know that the collation behavior will never
1772 * change.
1773 */
1774 PG_CMD_PUTS("UPDATE pg_collation SET collversion = pg_collation_actual_version(oid) WHERE collname = 'unicode';\n\n");
1775
1776 /* Import all collations we can find in the operating system */
1777 PG_CMD_PUTS("SELECT pg_import_system_collations('pg_catalog');\n\n");
1778}
1779
1780/*
1781 * Set up privileges
1782 *
1783 * We mark most system catalogs as world-readable. We don't currently have
1784 * to touch functions, languages, or databases, because their default
1785 * permissions are OK.
1786 *
1787 * Some objects may require different permissions by default, so we
1788 * make sure we don't overwrite privilege sets that have already been
1789 * set (NOT NULL).
1790 *
1791 * Also populate pg_init_privs to save what the privileges are at init
1792 * time. This is used by pg_dump to allow users to change privileges
1793 * on catalog objects and to have those privilege changes preserved
1794 * across dump/reload and pg_upgrade.
1795 *
1796 * Note that pg_init_privs is only for per-database objects and therefore
1797 * we don't include databases or tablespaces.
1798 */
1799static void
1800setup_privileges(FILE *cmdfd)
1801{
1802 PG_CMD_PRINTF("UPDATE pg_class "
1803 " SET relacl = (SELECT array_agg(a.acl) FROM "
1804 " (SELECT E'=r/\"%s\"' as acl "
1805 " UNION SELECT unnest(pg_catalog.acldefault("
1806 " CASE WHEN relkind = " CppAsString2(RELKIND_SEQUENCE) " THEN 's' "
1807 " ELSE 'r' END::\"char\"," CppAsString2(BOOTSTRAP_SUPERUSERID) "::oid))"
1808 " ) as a) "
1809 " WHERE relkind IN (" CppAsString2(RELKIND_RELATION) ", "
1810 CppAsString2(RELKIND_VIEW) ", " CppAsString2(RELKIND_MATVIEW) ", "
1811 CppAsString2(RELKIND_SEQUENCE) ")"
1812 " AND relacl IS NULL;\n\n",
1813 escape_quotes(username));
1814 PG_CMD_PUTS("GRANT USAGE ON SCHEMA pg_catalog, public TO PUBLIC;\n\n");
1815 PG_CMD_PUTS("REVOKE ALL ON pg_largeobject FROM PUBLIC;\n\n");
1816 PG_CMD_PUTS("INSERT INTO pg_init_privs "
1817 " (objoid, classoid, objsubid, initprivs, privtype)"
1818 " SELECT"
1819 " oid,"
1820 " (SELECT oid FROM pg_class WHERE relname = 'pg_class'),"
1821 " 0,"
1822 " relacl,"
1823 " 'i'"
1824 " FROM"
1825 " pg_class"
1826 " WHERE"
1827 " relacl IS NOT NULL"
1828 " AND relkind IN (" CppAsString2(RELKIND_RELATION) ", "
1829 CppAsString2(RELKIND_VIEW) ", " CppAsString2(RELKIND_MATVIEW) ", "
1830 CppAsString2(RELKIND_SEQUENCE) ");\n\n");
1831 PG_CMD_PUTS("INSERT INTO pg_init_privs "
1832 " (objoid, classoid, objsubid, initprivs, privtype)"
1833 " SELECT"
1834 " pg_class.oid,"
1835 " (SELECT oid FROM pg_class WHERE relname = 'pg_class'),"
1836 " pg_attribute.attnum,"
1837 " pg_attribute.attacl,"
1838 " 'i'"
1839 " FROM"
1840 " pg_class"
1841 " JOIN pg_attribute ON (pg_class.oid = pg_attribute.attrelid)"
1842 " WHERE"
1843 " pg_attribute.attacl IS NOT NULL"
1844 " AND pg_class.relkind IN (" CppAsString2(RELKIND_RELATION) ", "
1845 CppAsString2(RELKIND_VIEW) ", " CppAsString2(RELKIND_MATVIEW) ", "
1846 CppAsString2(RELKIND_SEQUENCE) ");\n\n");
1847 PG_CMD_PUTS("INSERT INTO pg_init_privs "
1848 " (objoid, classoid, objsubid, initprivs, privtype)"
1849 " SELECT"
1850 " oid,"
1851 " (SELECT oid FROM pg_class WHERE relname = 'pg_proc'),"
1852 " 0,"
1853 " proacl,"
1854 " 'i'"
1855 " FROM"
1856 " pg_proc"
1857 " WHERE"
1858 " proacl IS NOT NULL;\n\n");
1859 PG_CMD_PUTS("INSERT INTO pg_init_privs "
1860 " (objoid, classoid, objsubid, initprivs, privtype)"
1861 " SELECT"
1862 " oid,"
1863 " (SELECT oid FROM pg_class WHERE relname = 'pg_type'),"
1864 " 0,"
1865 " typacl,"
1866 " 'i'"
1867 " FROM"
1868 " pg_type"
1869 " WHERE"
1870 " typacl IS NOT NULL;\n\n");
1871 PG_CMD_PUTS("INSERT INTO pg_init_privs "
1872 " (objoid, classoid, objsubid, initprivs, privtype)"
1873 " SELECT"
1874 " oid,"
1875 " (SELECT oid FROM pg_class WHERE relname = 'pg_language'),"
1876 " 0,"
1877 " lanacl,"
1878 " 'i'"
1879 " FROM"
1880 " pg_language"
1881 " WHERE"
1882 " lanacl IS NOT NULL;\n\n");
1883 PG_CMD_PUTS("INSERT INTO pg_init_privs "
1884 " (objoid, classoid, objsubid, initprivs, privtype)"
1885 " SELECT"
1886 " oid,"
1887 " (SELECT oid FROM pg_class WHERE "
1888 " relname = 'pg_largeobject_metadata'),"
1889 " 0,"
1890 " lomacl,"
1891 " 'i'"
1892 " FROM"
1893 " pg_largeobject_metadata"
1894 " WHERE"
1895 " lomacl IS NOT NULL;\n\n");
1896 PG_CMD_PUTS("INSERT INTO pg_init_privs "
1897 " (objoid, classoid, objsubid, initprivs, privtype)"
1898 " SELECT"
1899 " oid,"
1900 " (SELECT oid FROM pg_class WHERE relname = 'pg_namespace'),"
1901 " 0,"
1902 " nspacl,"
1903 " 'i'"
1904 " FROM"
1905 " pg_namespace"
1906 " WHERE"
1907 " nspacl IS NOT NULL;\n\n");
1908 PG_CMD_PUTS("INSERT INTO pg_init_privs "
1909 " (objoid, classoid, objsubid, initprivs, privtype)"
1910 " SELECT"
1911 " oid,"
1912 " (SELECT oid FROM pg_class WHERE "
1913 " relname = 'pg_foreign_data_wrapper'),"
1914 " 0,"
1915 " fdwacl,"
1916 " 'i'"
1917 " FROM"
1918 " pg_foreign_data_wrapper"
1919 " WHERE"
1920 " fdwacl IS NOT NULL;\n\n");
1921 PG_CMD_PUTS("INSERT INTO pg_init_privs "
1922 " (objoid, classoid, objsubid, initprivs, privtype)"
1923 " SELECT"
1924 " oid,"
1925 " (SELECT oid FROM pg_class "
1926 " WHERE relname = 'pg_foreign_server'),"
1927 " 0,"
1928 " srvacl,"
1929 " 'i'"
1930 " FROM"
1931 " pg_foreign_server"
1932 " WHERE"
1933 " srvacl IS NOT NULL;\n\n");
1934}
1935
1936/*
1937 * extract the strange version of version required for information schema
1938 * (09.08.0007abc)
1939 */
1940static void
1941set_info_version(void)
1942{
1943 char *letterversion;
1944 long major = 0,
1945 minor = 0,
1946 micro = 0;
1947 char *endptr;
1948 char *vstr = pg_strdup(PG_VERSION);
1949 char *ptr;
1950
1951 ptr = vstr + (strlen(vstr) - 1);
1952 while (ptr != vstr && (*ptr < '0' || *ptr > '9'))
1953 ptr--;
1954 letterversion = ptr + 1;
1955 major = strtol(vstr, &endptr, 10);
1956 if (*endptr)
1957 minor = strtol(endptr + 1, &endptr, 10);
1958 if (*endptr)
1959 micro = strtol(endptr + 1, &endptr, 10);
1960 snprintf(infoversion, sizeof(infoversion), "%02ld.%02ld.%04ld%s",
1961 major, minor, micro, letterversion);
1962}
1963
1964/*
1965 * load info schema and populate from features file
1966 */
1967static void
1968setup_schema(FILE *cmdfd)
1969{
1970 setup_run_file(cmdfd, info_schema_file);
1971
1972 PG_CMD_PRINTF("UPDATE information_schema.sql_implementation_info "
1973 " SET character_value = '%s' "
1974 " WHERE implementation_info_name = 'DBMS VERSION';\n\n",
1975 infoversion);
1976
1977 PG_CMD_PRINTF("COPY information_schema.sql_features "
1978 " (feature_id, feature_name, sub_feature_id, "
1979 " sub_feature_name, is_supported, comments) "
1980 " FROM E'%s';\n\n",
1981 escape_quotes(features_file));
1982}
1983
1984/*
1985 * load PL/pgSQL server-side language
1986 */
1987static void
1988load_plpgsql(FILE *cmdfd)
1989{
1990 PG_CMD_PUTS("CREATE EXTENSION plpgsql;\n\n");
1991}
1992
1993/*
1994 * clean everything up in template1
1995 */
1996static void
1997vacuum_db(FILE *cmdfd)
1998{
1999 /* Run analyze before VACUUM so the statistics are frozen. */
2000 PG_CMD_PUTS("ANALYZE;\n\nVACUUM FREEZE;\n\n");
2001}
2002
2003/*
2004 * copy template1 to template0
2005 */
2006static void
2007make_template0(FILE *cmdfd)
2008{
2009 /*
2010 * pg_upgrade tries to preserve database OIDs across upgrades. It's smart
2011 * enough to drop and recreate a conflicting database with the same name,
2012 * but if the same OID were used for one system-created database in the
2013 * old cluster and a different system-created database in the new cluster,
2014 * it would fail. To avoid that, assign a fixed OID to template0 rather
2015 * than letting the server choose one.
2016 *
2017 * (Note that, while the user could have dropped and recreated these
2018 * objects in the old cluster, the problem scenario only exists if the OID
2019 * that is in use in the old cluster is also used in the new cluster - and
2020 * the new cluster should be the result of a fresh initdb.)
2021 *
2022 * We use "STRATEGY = file_copy" here because checkpoints during initdb
2023 * are cheap. "STRATEGY = wal_log" would generate more WAL, which would be
2024 * a little bit slower and make the new cluster a little bit bigger.
2025 */
2026 PG_CMD_PUTS("CREATE DATABASE template0 IS_TEMPLATE = true ALLOW_CONNECTIONS = false"
2027 " OID = " CppAsString2(Template0DbOid)
2028 " STRATEGY = file_copy;\n\n");
2029
2030 /*
2031 * template0 shouldn't have any collation-dependent objects, so unset the
2032 * collation version. This disables collation version checks when making
2033 * a new database from it.
2034 */
2035 PG_CMD_PUTS("UPDATE pg_database SET datcollversion = NULL WHERE datname = 'template0';\n\n");
2036
2037 /*
2038 * While we are here, do set the collation version on template1.
2039 */
2040 PG_CMD_PUTS("UPDATE pg_database SET datcollversion = pg_database_collation_actual_version(oid) WHERE datname = 'template1';\n\n");
2041
2042 /*
2043 * Explicitly revoke public create-schema and create-temp-table privileges
2044 * in template1 and template0; else the latter would be on by default
2045 */
2046 PG_CMD_PUTS("REVOKE CREATE,TEMPORARY ON DATABASE template1 FROM public;\n\n");
2047 PG_CMD_PUTS("REVOKE CREATE,TEMPORARY ON DATABASE template0 FROM public;\n\n");
2048
2049 PG_CMD_PUTS("COMMENT ON DATABASE template0 IS 'unmodifiable empty database';\n\n");
2050
2051 /*
2052 * Finally vacuum to clean up dead rows in pg_database
2053 */
2054 PG_CMD_PUTS("VACUUM pg_database;\n\n");
2055}
2056
2057/*
2058 * copy template1 to postgres
2059 */
2060static void
2061make_postgres(FILE *cmdfd)
2062{
2063 /*
2064 * Just as we did for template0, and for the same reasons, assign a fixed
2065 * OID to postgres and select the file_copy strategy.
2066 */
2067 PG_CMD_PUTS("CREATE DATABASE postgres OID = " CppAsString2(PostgresDbOid)
2068 " STRATEGY = file_copy;\n\n");
2069 PG_CMD_PUTS("COMMENT ON DATABASE postgres IS 'default administrative connection database';\n\n");
2070}
2071
2072/*
2073 * signal handler in case we are interrupted.
2074 *
2075 * The Windows runtime docs at
2076 * https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/signal
2077 * specifically forbid a number of things being done from a signal handler,
2078 * including IO, memory allocation and system calls, and only allow jmpbuf
2079 * if you are handling SIGFPE.
2080 *
2081 * I avoided doing the forbidden things by setting a flag instead of calling
2082 * exit() directly.
2083 *
2084 * Also note the behaviour of Windows with SIGINT, which says this:
2085 * SIGINT is not supported for any Win32 application. When a CTRL+C interrupt
2086 * occurs, Win32 operating systems generate a new thread to specifically
2087 * handle that interrupt. This can cause a single-thread application, such as
2088 * one in UNIX, to become multithreaded and cause unexpected behavior.
2089 *
2090 * I have no idea how to handle this. (Strange they call UNIX an application!)
2091 * So this will need some testing on Windows.
2092 */
2093static void
2094trapsig(SIGNAL_ARGS)
2095{
2096 /* handle systems that reset the handler, like Windows (grr) */
2097 pqsignal(postgres_signal_arg, trapsig);
2098 caught_signal = true;
2099}
2100
2101/*
2102 * call exit() if we got a signal, or else output "ok".
2103 */
2104static void
2105check_ok(void)
2106{
2107 if (caught_signal)
2108 {
2109 printf(_("caught signal\n"));
2110 fflush(stdout);
2111 exit(1);
2112 }
2113 else if (output_failed)
2114 {
2115 printf(_("could not write to child process: %s\n"),
2116 strerror(output_errno));
2117 fflush(stdout);
2118 exit(1);
2119 }
2120 else
2121 {
2122 /* all seems well */
2123 printf(_("ok\n"));
2124 fflush(stdout);
2125 }
2126}
2127
2128/* Hack to suppress a warning about %x from some versions of gcc */
2129static inline size_t
2130my_strftime(char *s, size_t max, const char *fmt, const struct tm *tm)
2131{
2132 return strftime(s, max, fmt, tm);
2133}
2134
2135/*
2136 * Determine likely date order from locale
2137 */
2138static int
2139locale_date_order(const char *locale)
2140{
2141 struct tm testtime;
2142 char buf[128];
2143 char *posD;
2144 char *posM;
2145 char *posY;
2146 save_locale_t save;
2147 size_t res;
2148 int result;
2149
2150 result = DATEORDER_MDY; /* default */
2151
2152 save = save_global_locale(LC_TIME);
2153
2154 setlocale(LC_TIME, locale);
2155
2156 memset(&testtime, 0, sizeof(testtime));
2157 testtime.tm_mday = 22;
2158 testtime.tm_mon = 10; /* November, should come out as "11" */
2159 testtime.tm_year = 133; /* 2033 */
2160
2161 res = my_strftime(buf, sizeof(buf), "%x", &testtime);
2162
2163 restore_global_locale(LC_TIME, save);
2164
2165 if (res == 0)
2166 return result;
2167
2168 posM = strstr(buf, "11");
2169 posD = strstr(buf, "22");
2170 posY = strstr(buf, "33");
2171
2172 if (!posM || !posD || !posY)
2173 return result;
2174
2175 if (posY < posM && posM < posD)
2176 result = DATEORDER_YMD;
2177 else if (posD < posM)
2178 result = DATEORDER_DMY;
2179 else
2180 result = DATEORDER_MDY;
2181
2182 return result;
2183}
2184
2185/*
2186 * Verify that locale name is valid for the locale category.
2187 *
2188 * If successful, and canonname isn't NULL, a malloc'd copy of the locale's
2189 * canonical name is stored there. This is especially useful for figuring out
2190 * what locale name "" means (ie, the environment value). (Actually,
2191 * it seems that on most implementations that's the only thing it's good for;
2192 * we could wish that setlocale gave back a canonically spelled version of
2193 * the locale name, but typically it doesn't.)
2194 *
2195 * this should match the backend's check_locale() function
2196 */
2197static void
2198check_locale_name(int category, const char *locale, char **canonname)
2199{
2200 save_locale_t save;
2201 char *res;
2202
2203 /* Don't let Windows' non-ASCII locale names in. */
2204 if (locale && !pg_is_ascii(locale))
2205 pg_fatal("locale name \"%s\" contains non-ASCII characters", locale);
2206
2207 if (canonname)
2208 *canonname = NULL; /* in case of failure */
2209
2210 save = save_global_locale(category);
2211
2212 /* for setlocale() call */
2213 if (!locale)
2214 locale = "";
2215
2216 /* set the locale with setlocale, to see if it accepts it. */
2217 res = setlocale(category, locale);
2218
2219 /* save canonical name if requested. */
2220 if (res && canonname)
2221 *canonname = pg_strdup(res);
2222
2223 /* restore old value. */
2224 restore_global_locale(category, save);
2225
2226 /* complain if locale wasn't valid */
2227 if (res == NULL)
2228 {
2229 if (*locale)
2230 {
2231 pg_log_error("invalid locale name \"%s\"", locale);
2232 pg_log_error_hint("If the locale name is specific to ICU, use --icu-locale.");
2233 exit(1);
2234 }
2235 else
2236 {
2237 /*
2238 * If no relevant switch was given on command line, locale is an
2239 * empty string, which is not too helpful to report. Presumably
2240 * setlocale() found something it did not like in the environment.
2241 * Ideally we'd report the bad environment variable, but since
2242 * setlocale's behavior is implementation-specific, it's hard to
2243 * be sure what it didn't like. Print a safe generic message.
2244 */
2245 pg_fatal("invalid locale settings; check LANG and LC_* environment variables");
2246 }
2247 }
2248
2249 /* Don't let Windows' non-ASCII locale names out. */
2250 if (canonname && !pg_is_ascii(*canonname))
2251 pg_fatal("locale name \"%s\" contains non-ASCII characters",
2252 *canonname);
2253}
2254
2255/*
2256 * check if the chosen encoding matches the encoding required by the locale
2257 *
2258 * this should match the similar check in the backend createdb() function
2259 */
2260static bool
2261check_locale_encoding(const char *locale, int user_enc)
2262{
2263 int locale_enc;
2264
2265 locale_enc = pg_get_encoding_from_locale(locale, true);
2266
2267 /* See notes in createdb() to understand these tests */
2268 if (!(locale_enc == user_enc ||
2269 locale_enc == PG_SQL_ASCII ||
2270 locale_enc == -1 ||
2271#ifdef WIN32
2272 user_enc == PG_UTF8 ||
2273#endif
2274 user_enc == PG_SQL_ASCII))
2275 {
2276 pg_log_error("encoding mismatch");
2277 pg_log_error_detail("The encoding you selected (%s) and the encoding that the "
2278 "selected locale uses (%s) do not match. This would lead to "
2279 "misbehavior in various character string processing functions.",
2280 pg_encoding_to_char(user_enc),
2281 pg_encoding_to_char(locale_enc));
2282 pg_log_error_hint("Rerun %s and either do not specify an encoding explicitly, "
2283 "or choose a matching combination.",
2284 progname);
2285 return false;
2286 }
2287 return true;
2288}
2289
2290/*
2291 * check if the chosen encoding matches is supported by ICU
2292 *
2293 * this should match the similar check in the backend createdb() function
2294 */
2295static bool
2296check_icu_locale_encoding(int user_enc)
2297{
2298 if (!(is_encoding_supported_by_icu(user_enc)))
2299 {
2300 pg_log_error("encoding mismatch");
2301 pg_log_error_detail("The encoding you selected (%s) is not supported with the ICU provider.",
2302 pg_encoding_to_char(user_enc));
2303 pg_log_error_hint("Rerun %s and either do not specify an encoding explicitly, "
2304 "or choose a matching combination.",
2305 progname);
2306 return false;
2307 }
2308 return true;
2309}
2310
2311/*
2312 * Convert to canonical BCP47 language tag. Must be consistent with
2313 * icu_language_tag().
2314 */
2315static char *
2316icu_language_tag(const char *loc_str)
2317{
2318#ifdef USE_ICU
2319 UErrorCode status;
2320 char *langtag;
2321 size_t buflen = 32; /* arbitrary starting buffer size */
2322 const bool strict = true;
2323
2324 /*
2325 * A BCP47 language tag doesn't have a clearly-defined upper limit (cf.
2326 * RFC5646 section 4.4). Additionally, in older ICU versions,
2327 * uloc_toLanguageTag() doesn't always return the ultimate length on the
2328 * first call, necessitating a loop.
2329 */
2330 langtag = pg_malloc(buflen);
2331 while (true)
2332 {
2333 status = U_ZERO_ERROR;
2334 uloc_toLanguageTag(loc_str, langtag, buflen, strict, &status);
2335
2336 /* try again if the buffer is not large enough */
2337 if (status == U_BUFFER_OVERFLOW_ERROR ||
2338 status == U_STRING_NOT_TERMINATED_WARNING)
2339 {
2340 buflen = buflen * 2;
2341 langtag = pg_realloc(langtag, buflen);
2342 continue;
2343 }
2344
2345 break;
2346 }
2347
2348 if (U_FAILURE(status))
2349 {
2350 pg_free(langtag);
2351
2352 pg_fatal("could not convert locale name \"%s\" to language tag: %s",
2353 loc_str, u_errorName(status));
2354 }
2355
2356 return langtag;
2357#else
2358 pg_fatal("ICU is not supported in this build");
2359 return NULL; /* keep compiler quiet */
2360#endif
2361}
2362
2363/*
2364 * Perform best-effort check that the locale is a valid one. Should be
2365 * consistent with pg_locale.c, except that it doesn't need to open the
2366 * collator (that will happen during post-bootstrap initialization).
2367 */
2368static void
2369icu_validate_locale(const char *loc_str)
2370{
2371#ifdef USE_ICU
2372 UErrorCode status;
2373 char lang[ULOC_LANG_CAPACITY];
2374 bool found = false;
2375
2376 /* validate that we can extract the language */
2377 status = U_ZERO_ERROR;
2378 uloc_getLanguage(loc_str, lang, ULOC_LANG_CAPACITY, &status);
2379 if (U_FAILURE(status))
2380 {
2381 pg_fatal("could not get language from locale \"%s\": %s",
2382 loc_str, u_errorName(status));
2383 return;
2384 }
2385
2386 /* check for special language name */
2387 if (strcmp(lang, "") == 0 ||
2388 strcmp(lang, "root") == 0 || strcmp(lang, "und") == 0)
2389 found = true;
2390
2391 /* search for matching language within ICU */
2392 for (int32_t i = 0; !found && i < uloc_countAvailable(); i++)
2393 {
2394 const char *otherloc = uloc_getAvailable(i);
2395 char otherlang[ULOC_LANG_CAPACITY];
2396
2397 status = U_ZERO_ERROR;
2398 uloc_getLanguage(otherloc, otherlang, ULOC_LANG_CAPACITY, &status);
2399 if (U_FAILURE(status))
2400 continue;
2401
2402 if (strcmp(lang, otherlang) == 0)
2403 found = true;
2404 }
2405
2406 if (!found)
2407 pg_fatal("locale \"%s\" has unknown language \"%s\"",
2408 loc_str, lang);
2409#else
2410 pg_fatal("ICU is not supported in this build");
2411#endif
2412}
2413
2414/*
2415 * set up the locale variables
2416 *
2417 * assumes we have called setlocale(LC_ALL, "") -- see set_pglocale_pgservice
2418 */
2419static void
2420setlocales(void)
2421{
2422 char *canonname;
2423
2424 /* set empty lc_* and datlocale values to locale config if set */
2425
2426 if (locale)
2427 {
2428 if (!lc_ctype)
2429 lc_ctype = locale;
2430 if (!lc_collate)
2431 lc_collate = locale;
2432 if (!lc_numeric)
2433 lc_numeric = locale;
2434 if (!lc_time)
2435 lc_time = locale;
2436 if (!lc_monetary)
2437 lc_monetary = locale;
2438 if (!lc_messages)
2439 lc_messages = locale;
2440 if (!datlocale && locale_provider != COLLPROVIDER_LIBC)
2441 datlocale = locale;
2442 }
2443
2444 /*
2445 * canonicalize locale names, and obtain any missing values from our
2446 * current environment
2447 */
2448 check_locale_name(LC_CTYPE, lc_ctype, &canonname);
2449 lc_ctype = canonname;
2450 check_locale_name(LC_COLLATE, lc_collate, &canonname);
2451 lc_collate = canonname;
2452 check_locale_name(LC_NUMERIC, lc_numeric, &canonname);
2453 lc_numeric = canonname;
2454 check_locale_name(LC_TIME, lc_time, &canonname);
2455 lc_time = canonname;
2456 check_locale_name(LC_MONETARY, lc_monetary, &canonname);
2457 lc_monetary = canonname;
2458#if defined(LC_MESSAGES) && !defined(WIN32)
2459 check_locale_name(LC_MESSAGES, lc_messages, &canonname);
2460 lc_messages = canonname;
2461#else
2462 /* when LC_MESSAGES is not available, use the LC_CTYPE setting */
2463 check_locale_name(LC_CTYPE, lc_messages, &canonname);
2464 lc_messages = canonname;
2465#endif
2466
2467 if (locale_provider != COLLPROVIDER_LIBC && datlocale == NULL)
2468 pg_fatal("locale must be specified if provider is %s",
2469 collprovider_name(locale_provider));
2470
2471 if (locale_provider == COLLPROVIDER_BUILTIN)
2472 {
2473 if (strcmp(datlocale, "C") == 0)
2474 canonname = "C";
2475 else if (strcmp(datlocale, "C.UTF-8") == 0 ||
2476 strcmp(datlocale, "C.UTF8") == 0)
2477 canonname = "C.UTF-8";
2478 else if (strcmp(datlocale, "PG_UNICODE_FAST") == 0)
2479 canonname = "PG_UNICODE_FAST";
2480 else
2481 pg_fatal("invalid locale name \"%s\" for builtin provider",
2482 datlocale);
2483
2484 datlocale = canonname;
2485 }
2486 else if (locale_provider == COLLPROVIDER_ICU)
2487 {
2488 char *langtag;
2489
2490 /* canonicalize to a language tag */
2491 langtag = icu_language_tag(datlocale);
2492 printf(_("Using language tag \"%s\" for ICU locale \"%s\".\n"),
2493 langtag, datlocale);
2494 pg_free(datlocale);
2495 datlocale = langtag;
2496
2497 icu_validate_locale(datlocale);
2498
2499 /*
2500 * In supported builds, the ICU locale ID will be opened during
2501 * post-bootstrap initialization, which will perform extra checks.
2502 */
2503#ifndef USE_ICU
2504 pg_fatal("ICU is not supported in this build");
2505#endif
2506 }
2507}
2508
2509/*
2510 * print help text
2511 */
2512static void
2513usage(const char *progname)
2514{
2515 printf(_("%s initializes a PostgreSQL database cluster.\n\n"), progname);
2516 printf(_("Usage:\n"));
2517 printf(_(" %s [OPTION]... [DATADIR]\n"), progname);
2518 printf(_("\nOptions:\n"));
2519 printf(_(" -A, --auth=METHOD default authentication method for local connections\n"));
2520 printf(_(" --auth-host=METHOD default authentication method for local TCP/IP connections\n"));
2521 printf(_(" --auth-local=METHOD default authentication method for local-socket connections\n"));
2522 printf(_(" [-D, --pgdata=]DATADIR location for this database cluster\n"));
2523 printf(_(" -E, --encoding=ENCODING set default encoding for new databases\n"));
2524 printf(_(" -g, --allow-group-access allow group read/execute on data directory\n"));
2525 printf(_(" --icu-locale=LOCALE set ICU locale ID for new databases\n"));
2526 printf(_(" --icu-rules=RULES set additional ICU collation rules for new databases\n"));
2527 printf(_(" -k, --data-checksums use data page checksums\n"));
2528 printf(_(" --locale=LOCALE set default locale for new databases\n"));
2529 printf(_(" --lc-collate=, --lc-ctype=, --lc-messages=LOCALE\n"
2530 " --lc-monetary=, --lc-numeric=, --lc-time=LOCALE\n"
2531 " set default locale in the respective category for\n"
2532 " new databases (default taken from environment)\n"));
2533 printf(_(" --no-locale equivalent to --locale=C\n"));
2534 printf(_(" --builtin-locale=LOCALE\n"
2535 " set builtin locale name for new databases\n"));
2536 printf(_(" --locale-provider={builtin|libc|icu}\n"
2537 " set default locale provider for new databases\n"));
2538 printf(_(" --no-data-checksums do not use data page checksums\n"));
2539 printf(_(" --pwfile=FILE read password for the new superuser from file\n"));
2540 printf(_(" -T, --text-search-config=CFG\n"
2541 " default text search configuration\n"));
2542 printf(_(" -U, --username=NAME database superuser name\n"));
2543 printf(_(" -W, --pwprompt prompt for a password for the new superuser\n"));
2544 printf(_(" -X, --waldir=WALDIR location for the write-ahead log directory\n"));
2545 printf(_(" --wal-segsize=SIZE size of WAL segments, in megabytes\n"));
2546 printf(_("\nLess commonly used options:\n"));
2547 printf(_(" -c, --set NAME=VALUE override default setting for server parameter\n"));
2548 printf(_(" -d, --debug generate lots of debugging output\n"));
2549 printf(_(" --discard-caches set debug_discard_caches=1\n"));
2550 printf(_(" -L DIRECTORY where to find the input files\n"));
2551 printf(_(" -n, --no-clean do not clean up after errors\n"));
2552 printf(_(" -N, --no-sync do not wait for changes to be written safely to disk\n"));
2553 printf(_(" --no-sync-data-files do not sync files within database directories\n"));
2554 printf(_(" --no-instructions do not print instructions for next steps\n"));
2555 printf(_(" -s, --show show internal settings, then exit\n"));
2556 printf(_(" --sync-method=METHOD set method for syncing files to disk\n"));
2557 printf(_(" -S, --sync-only only sync database files to disk, then exit\n"));
2558 printf(_("\nOther options:\n"));
2559 printf(_(" -V, --version output version information, then exit\n"));
2560 printf(_(" -?, --help show this help, then exit\n"));
2561 printf(_("\nIf the data directory is not specified, the environment variable PGDATA\n"
2562 "is used.\n"));
2563 printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
2564 printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
2565}
2566
2567static void
2568check_authmethod_unspecified(const char **authmethod)
2569{
2570 if (*authmethod == NULL)
2571 {
2572 authwarning = true;
2573 *authmethod = "trust";
2574 }
2575}
2576
2577static void
2578check_authmethod_valid(const char *authmethod, const char *const *valid_methods, const char *conntype)
2579{
2580 const char *const *p;
2581
2582 for (p = valid_methods; *p; p++)
2583 {
2584 if (strcmp(authmethod, *p) == 0)
2585 return;
2586 }
2587
2588 pg_fatal("invalid authentication method \"%s\" for \"%s\" connections",
2589 authmethod, conntype);
2590}
2591
2592static void
2593check_need_password(const char *authmethodlocal, const char *authmethodhost)
2594{
2595 if ((strcmp(authmethodlocal, "md5") == 0 ||
2596 strcmp(authmethodlocal, "password") == 0 ||
2597 strcmp(authmethodlocal, "scram-sha-256") == 0) &&
2598 (strcmp(authmethodhost, "md5") == 0 ||
2599 strcmp(authmethodhost, "password") == 0 ||
2600 strcmp(authmethodhost, "scram-sha-256") == 0) &&
2601 !(pwprompt || pwfilename))
2602 pg_fatal("must specify a password for the superuser to enable password authentication");
2603}
2604
2605
2606void
2607setup_pgdata(void)
2608{
2609 char *pgdata_get_env;
2610
2611 if (!pg_data)
2612 {
2613 pgdata_get_env = getenv("PGDATA");
2614 if (pgdata_get_env && strlen(pgdata_get_env))
2615 {
2616 /* PGDATA found */
2617 pg_data = pg_strdup(pgdata_get_env);
2618 }
2619 else
2620 {
2621 pg_log_error("no data directory specified");
2622 pg_log_error_hint("You must identify the directory where the data for this database system "
2623 "will reside. Do this with either the invocation option -D or the "
2624 "environment variable PGDATA.");
2625 exit(1);
2626 }
2627 }
2628
2629 pgdata_native = pg_strdup(pg_data);
2630 canonicalize_path(pg_data);
2631
2632 /*
2633 * we have to set PGDATA for postgres rather than pass it on the command
2634 * line to avoid dumb quoting problems on Windows, and we would especially
2635 * need quotes otherwise on Windows because paths there are most likely to
2636 * have embedded spaces.
2637 */
2638 if (setenv("PGDATA", pg_data, 1) != 0)
2639 pg_fatal("could not set environment");
2640}
2641
2642
2643void
2644setup_bin_paths(const char *argv0)
2645{
2646 int ret;
2647
2648 if ((ret = find_other_exec(argv0, "postgres", PG_BACKEND_VERSIONSTR,
2649 backend_exec)) < 0)
2650 {
2651 char full_path[MAXPGPATH];
2652
2653 if (find_my_exec(argv0, full_path) < 0)
2654 strlcpy(full_path, progname, sizeof(full_path));
2655
2656 if (ret == -1)
2657 pg_fatal("program \"%s\" is needed by %s but was not found in the same directory as \"%s\"",
2658 "postgres", progname, full_path);
2659 else
2660 pg_fatal("program \"%s\" was found by \"%s\" but was not the same version as %s",
2661 "postgres", full_path, progname);
2662 }
2663
2664 /* store binary directory */
2665 strcpy(bin_path, backend_exec);
2666 *last_dir_separator(bin_path) = '\0';
2667 canonicalize_path(bin_path);
2668
2669 if (!share_path)
2670 {
2671 share_path = pg_malloc(MAXPGPATH);
2672 get_share_path(backend_exec, share_path);
2673 }
2674 else if (!is_absolute_path(share_path))
2675 pg_fatal("input file location must be an absolute path");
2676
2677 canonicalize_path(share_path);
2678}
2679
2680void
2681setup_locale_encoding(void)
2682{
2683 setlocales();
2684
2685 if (locale_provider == COLLPROVIDER_LIBC &&
2686 strcmp(lc_ctype, lc_collate) == 0 &&
2687 strcmp(lc_ctype, lc_time) == 0 &&
2688 strcmp(lc_ctype, lc_numeric) == 0 &&
2689 strcmp(lc_ctype, lc_monetary) == 0 &&
2690 strcmp(lc_ctype, lc_messages) == 0 &&
2691 (!datlocale || strcmp(lc_ctype, datlocale) == 0))
2692 printf(_("The database cluster will be initialized with locale \"%s\".\n"), lc_ctype);
2693 else
2694 {
2695 printf(_("The database cluster will be initialized with this locale configuration:\n"));
2696 printf(_(" locale provider: %s\n"), collprovider_name(locale_provider));
2697 if (locale_provider != COLLPROVIDER_LIBC)
2698 printf(_(" default collation: %s\n"), datlocale);
2699 printf(_(" LC_COLLATE: %s\n"
2700 " LC_CTYPE: %s\n"
2701 " LC_MESSAGES: %s\n"
2702 " LC_MONETARY: %s\n"
2703 " LC_NUMERIC: %s\n"
2704 " LC_TIME: %s\n"),
2705 lc_collate,
2706 lc_ctype,
2707 lc_messages,
2708 lc_monetary,
2709 lc_numeric,
2710 lc_time);
2711 }
2712
2713 if (!encoding)
2714 {
2715 int ctype_enc;
2716
2717 ctype_enc = pg_get_encoding_from_locale(lc_ctype, true);
2718
2719 /*
2720 * If ctype_enc=SQL_ASCII, it's compatible with any encoding. ICU does
2721 * not support SQL_ASCII, so select UTF-8 instead.
2722 */
2723 if (locale_provider == COLLPROVIDER_ICU && ctype_enc == PG_SQL_ASCII)
2724 ctype_enc = PG_UTF8;
2725
2726 if (ctype_enc == -1)
2727 {
2728 /* Couldn't recognize the locale's codeset */
2729 pg_log_error("could not find suitable encoding for locale \"%s\"",
2730 lc_ctype);
2731 pg_log_error_hint("Rerun %s with the -E option.", progname);
2732 pg_log_error_hint("Try \"%s --help\" for more information.", progname);
2733 exit(1);
2734 }
2735 else if (!pg_valid_server_encoding_id(ctype_enc))
2736 {
2737 /*
2738 * We recognized it, but it's not a legal server encoding. On
2739 * Windows, UTF-8 works with any locale, so we can fall back to
2740 * UTF-8.
2741 */
2742#ifdef WIN32
2743 encodingid = PG_UTF8;
2744 printf(_("Encoding \"%s\" implied by locale is not allowed as a server-side encoding.\n"
2745 "The default database encoding will be set to \"%s\" instead.\n"),
2746 pg_encoding_to_char(ctype_enc),
2747 pg_encoding_to_char(encodingid));
2748#else
2749 pg_log_error("locale \"%s\" requires unsupported encoding \"%s\"",
2750 lc_ctype, pg_encoding_to_char(ctype_enc));
2751 pg_log_error_detail("Encoding \"%s\" is not allowed as a server-side encoding.",
2752 pg_encoding_to_char(ctype_enc));
2753 pg_log_error_hint("Rerun %s with a different locale selection.",
2754 progname);
2755 exit(1);
2756#endif
2757 }
2758 else
2759 {
2760 encodingid = ctype_enc;
2761 printf(_("The default database encoding has accordingly been set to \"%s\".\n"),
2762 pg_encoding_to_char(encodingid));
2763 }
2764 }
2765 else
2766 encodingid = get_encoding_id(encoding);
2767
2768 if (!check_locale_encoding(lc_ctype, encodingid) ||
2769 !check_locale_encoding(lc_collate, encodingid))
2770 exit(1); /* check_locale_encoding printed the error */
2771
2772 if (locale_provider == COLLPROVIDER_BUILTIN)
2773 {
2774 if ((strcmp(datlocale, "C.UTF-8") == 0 ||
2775 strcmp(datlocale, "PG_UNICODE_FAST") == 0) &&
2776 encodingid != PG_UTF8)
2777 pg_fatal("builtin provider locale \"%s\" requires encoding \"%s\"",
2778 datlocale, "UTF-8");
2779 }
2780
2781 if (locale_provider == COLLPROVIDER_ICU &&
2782 !check_icu_locale_encoding(encodingid))
2783 exit(1);
2784}
2785
2786
2787void
2788setup_data_file_paths(void)
2789{
2790 set_input(&bki_file, "postgres.bki");
2791 set_input(&hba_file, "pg_hba.conf.sample");
2792 set_input(&ident_file, "pg_ident.conf.sample");
2793 set_input(&conf_file, "postgresql.conf.sample");
2794 set_input(&dictionary_file, "snowball_create.sql");
2795 set_input(&info_schema_file, "information_schema.sql");
2796 set_input(&features_file, "sql_features.txt");
2797 set_input(&system_constraints_file, "system_constraints.sql");
2798 set_input(&system_functions_file, "system_functions.sql");
2799 set_input(&system_views_file, "system_views.sql");
2800
2801 if (show_setting || debug)
2802 {
2803 fprintf(stderr,
2804 "VERSION=%s\n"
2805 "PGDATA=%s\nshare_path=%s\nPGPATH=%s\n"
2806 "POSTGRES_SUPERUSERNAME=%s\nPOSTGRES_BKI=%s\n"
2807 "POSTGRESQL_CONF_SAMPLE=%s\n"
2808 "PG_HBA_SAMPLE=%s\nPG_IDENT_SAMPLE=%s\n",
2809 PG_VERSION,
2810 pg_data, share_path, bin_path,
2811 username, bki_file,
2812 conf_file,
2813 hba_file, ident_file);
2814 if (show_setting)
2815 exit(0);
2816 }
2817
2818 check_input(bki_file);
2819 check_input(hba_file);
2820 check_input(ident_file);
2821 check_input(conf_file);
2822 check_input(dictionary_file);
2823 check_input(info_schema_file);
2824 check_input(features_file);
2825 check_input(system_constraints_file);
2826 check_input(system_functions_file);
2827 check_input(system_views_file);
2828}
2829
2830
2831void
2832setup_text_search(void)
2833{
2834 if (!default_text_search_config)
2835 {
2836 default_text_search_config = find_matching_ts_config(lc_ctype);
2837 if (!default_text_search_config)
2838 {
2839 pg_log_info("could not find suitable text search configuration for locale \"%s\"",
2840 lc_ctype);
2841 default_text_search_config = "simple";
2842 }
2843 }
2844 else
2845 {
2846 const char *checkmatch = find_matching_ts_config(lc_ctype);
2847
2848 if (checkmatch == NULL)
2849 {
2850 pg_log_warning("suitable text search configuration for locale \"%s\" is unknown",
2851 lc_ctype);
2852 }
2853 else if (strcmp(checkmatch, default_text_search_config) != 0)
2854 {
2855 pg_log_warning("specified text search configuration \"%s\" might not match locale \"%s\"",
2856 default_text_search_config, lc_ctype);
2857 }
2858 }
2859
2860 printf(_("The default text search configuration will be set to \"%s\".\n"),
2861 default_text_search_config);
2862}
2863
2864
2865void
2866setup_signals(void)
2867{
2868 pqsignal(SIGINT, trapsig);
2869 pqsignal(SIGTERM, trapsig);
2870
2871 /* the following are not valid on Windows */
2872#ifndef WIN32
2873 pqsignal(SIGHUP, trapsig);
2874 pqsignal(SIGQUIT, trapsig);
2875
2876 /* Ignore SIGPIPE when writing to backend, so we can clean up */
2877 pqsignal(SIGPIPE, SIG_IGN);
2878
2879 /* Prevent SIGSYS so we can probe for kernel calls that might not work */
2880 pqsignal(SIGSYS, SIG_IGN);
2881#endif
2882}
2883
2884
2885void
2886create_data_directory(void)
2887{
2888 int ret;
2889
2890 switch ((ret = pg_check_dir(pg_data)))
2891 {
2892 case 0:
2893 /* PGDATA not there, must create it */
2894 printf(_("creating directory %s ... "),
2895 pg_data);
2896 fflush(stdout);
2897
2898 if (pg_mkdir_p(pg_data, pg_dir_create_mode) != 0)
2899 pg_fatal("could not create directory \"%s\": %m", pg_data);
2900 else
2901 check_ok();
2902
2903 made_new_pgdata = true;
2904 break;
2905
2906 case 1:
2907 /* Present but empty, fix permissions and use it */
2908 printf(_("fixing permissions on existing directory %s ... "),
2909 pg_data);
2910 fflush(stdout);
2911
2912 if (chmod(pg_data, pg_dir_create_mode) != 0)
2913 pg_fatal("could not change permissions of directory \"%s\": %m",
2914 pg_data);
2915 else
2916 check_ok();
2917
2918 found_existing_pgdata = true;
2919 break;
2920
2921 case 2:
2922 case 3:
2923 case 4:
2924 /* Present and not empty */
2925 pg_log_error("directory \"%s\" exists but is not empty", pg_data);
2926 if (ret != 4)
2927 warn_on_mount_point(ret);
2928 else
2929 pg_log_error_hint("If you want to create a new database system, either remove or empty "
2930 "the directory \"%s\" or run %s "
2931 "with an argument other than \"%s\".",
2932 pg_data, progname, pg_data);
2933 exit(1); /* no further message needed */
2934
2935 default:
2936 /* Trouble accessing directory */
2937 pg_fatal("could not access directory \"%s\": %m", pg_data);
2938 }
2939}
2940
2941
2942/* Create WAL directory, and symlink if required */
2943void
2944create_xlog_or_symlink(void)
2945{
2946 char *subdirloc;
2947
2948 /* form name of the place for the subdirectory or symlink */
2949 subdirloc = psprintf("%s/pg_wal", pg_data);
2950
2951 if (xlog_dir)
2952 {
2953 int ret;
2954
2955 /* clean up xlog directory name, check it's absolute */
2956 canonicalize_path(xlog_dir);
2957 if (!is_absolute_path(xlog_dir))
2958 pg_fatal("WAL directory location must be an absolute path");
2959
2960 /* check if the specified xlog directory exists/is empty */
2961 switch ((ret = pg_check_dir(xlog_dir)))
2962 {
2963 case 0:
2964 /* xlog directory not there, must create it */
2965 printf(_("creating directory %s ... "),
2966 xlog_dir);
2967 fflush(stdout);
2968
2969 if (pg_mkdir_p(xlog_dir, pg_dir_create_mode) != 0)
2970 pg_fatal("could not create directory \"%s\": %m",
2971 xlog_dir);
2972 else
2973 check_ok();
2974
2975 made_new_xlogdir = true;
2976 break;
2977
2978 case 1:
2979 /* Present but empty, fix permissions and use it */
2980 printf(_("fixing permissions on existing directory %s ... "),
2981 xlog_dir);
2982 fflush(stdout);
2983
2984 if (chmod(xlog_dir, pg_dir_create_mode) != 0)
2985 pg_fatal("could not change permissions of directory \"%s\": %m",
2986 xlog_dir);
2987 else
2988 check_ok();
2989
2990 found_existing_xlogdir = true;
2991 break;
2992
2993 case 2:
2994 case 3:
2995 case 4:
2996 /* Present and not empty */
2997 pg_log_error("directory \"%s\" exists but is not empty", xlog_dir);
2998 if (ret != 4)
2999 warn_on_mount_point(ret);
3000 else
3001 pg_log_error_hint("If you want to store the WAL there, either remove or empty the directory \"%s\".",
3002 xlog_dir);
3003 exit(1);
3004
3005 default:
3006 /* Trouble accessing directory */
3007 pg_fatal("could not access directory \"%s\": %m", xlog_dir);
3008 }
3009
3010 if (symlink(xlog_dir, subdirloc) != 0)
3011 pg_fatal("could not create symbolic link \"%s\": %m",
3012 subdirloc);
3013 }
3014 else
3015 {
3016 /* Without -X option, just make the subdirectory normally */
3017 if (mkdir(subdirloc, pg_dir_create_mode) < 0)
3018 pg_fatal("could not create directory \"%s\": %m",
3019 subdirloc);
3020 }
3021
3022 free(subdirloc);
3023}
3024
3025
3026void
3027warn_on_mount_point(int error)
3028{
3029 if (error == 2)
3030 pg_log_error_detail("It contains a dot-prefixed/invisible file, perhaps due to it being a mount point.");
3031 else if (error == 3)
3032 pg_log_error_detail("It contains a lost+found directory, perhaps due to it being a mount point.");
3033
3034 pg_log_error_hint("Using a mount point directly as the data directory is not recommended.\n"
3035 "Create a subdirectory under the mount point.");
3036}
3037
3038
3039void
3040initialize_data_directory(void)
3041{
3042 PG_CMD_DECL;
3043 PQExpBufferData cmd;
3044 int i;
3045
3046 setup_signals();
3047
3048 /*
3049 * Set mask based on requested PGDATA permissions. pg_mode_mask, and
3050 * friends like pg_dir_create_mode, are set to owner-only by default and
3051 * then updated if -g is passed in by calling SetDataDirectoryCreatePerm()
3052 * when parsing our options (see above).
3053 */
3054 umask(pg_mode_mask);
3055
3056 create_data_directory();
3057
3058 create_xlog_or_symlink();
3059
3060 /* Create required subdirectories (other than pg_wal) */
3061 printf(_("creating subdirectories ... "));
3062 fflush(stdout);
3063
3064 for (i = 0; i < lengthof(subdirs); i++)
3065 {
3066 char *path;
3067
3068 path = psprintf("%s/%s", pg_data, subdirs[i]);
3069
3070 /*
3071 * The parent directory already exists, so we only need mkdir() not
3072 * pg_mkdir_p() here, which avoids some failure modes; cf bug #13853.
3073 */
3074 if (mkdir(path, pg_dir_create_mode) < 0)
3075 pg_fatal("could not create directory \"%s\": %m", path);
3076
3077 free(path);
3078 }
3079
3080 check_ok();
3081
3082 /* Top level PG_VERSION is checked by bootstrapper, so make it first */
3083 write_version_file(NULL);
3084
3085 /* Select suitable configuration settings */
3086 set_null_conf();
3087 test_config_settings();
3088
3089 /* Now create all the text config files */
3090 setup_config();
3091
3092 /* Bootstrap template1 */
3093 bootstrap_template1();
3094
3095 /*
3096 * Make the per-database PG_VERSION for template1 only after init'ing it
3097 */
3098 write_version_file("base/1");
3099
3100 /*
3101 * Create the stuff we don't need to use bootstrap mode for, using a
3102 * backend running in simple standalone mode.
3103 */
3104 fputs(_("performing post-bootstrap initialization ... "), stdout);
3105 fflush(stdout);
3106
3107 initPQExpBuffer(&cmd);
3108 printfPQExpBuffer(&cmd, "\"%s\" %s %s template1 >%s",
3109 backend_exec, backend_options, extra_options, DEVNULL);
3110
3111 PG_CMD_OPEN(cmd.data);
3112
3113 setup_auth(cmdfd);
3114
3115 setup_run_file(cmdfd, system_constraints_file);
3116
3117 setup_run_file(cmdfd, system_functions_file);
3118
3119 setup_depend(cmdfd);
3120
3121 /*
3122 * Note that no objects created after setup_depend() will be "pinned".
3123 * They are all droppable at the whim of the DBA.
3124 */
3125
3126 setup_run_file(cmdfd, system_views_file);
3127
3128 setup_description(cmdfd);
3129
3130 setup_collation(cmdfd);
3131
3132 setup_run_file(cmdfd, dictionary_file);
3133
3134 setup_privileges(cmdfd);
3135
3136 setup_schema(cmdfd);
3137
3138 load_plpgsql(cmdfd);
3139
3140 vacuum_db(cmdfd);
3141
3142 make_template0(cmdfd);
3143
3144 make_postgres(cmdfd);
3145
3146 PG_CMD_CLOSE();
3147 termPQExpBuffer(&cmd);
3148
3149 check_ok();
3150}
3151
3152
3153int
3154main(int argc, char *argv[])
3155{
3156 static struct option long_options[] = {
3157 {"pgdata", required_argument, NULL, 'D'},
3158 {"encoding", required_argument, NULL, 'E'},
3159 {"locale", required_argument, NULL, 1},
3160 {"lc-collate", required_argument, NULL, 2},
3161 {"lc-ctype", required_argument, NULL, 3},
3162 {"lc-monetary", required_argument, NULL, 4},
3163 {"lc-numeric", required_argument, NULL, 5},
3164 {"lc-time", required_argument, NULL, 6},
3165 {"lc-messages", required_argument, NULL, 7},
3166 {"no-locale", no_argument, NULL, 8},
3167 {"text-search-config", required_argument, NULL, 'T'},
3168 {"auth", required_argument, NULL, 'A'},
3169 {"auth-local", required_argument, NULL, 10},
3170 {"auth-host", required_argument, NULL, 11},
3171 {"pwprompt", no_argument, NULL, 'W'},
3172 {"pwfile", required_argument, NULL, 9},
3173 {"username", required_argument, NULL, 'U'},
3174 {"help", no_argument, NULL, '?'},
3175 {"version", no_argument, NULL, 'V'},
3176 {"debug", no_argument, NULL, 'd'},
3177 {"show", no_argument, NULL, 's'},
3178 {"noclean", no_argument, NULL, 'n'}, /* for backwards compatibility */
3179 {"no-clean", no_argument, NULL, 'n'},
3180 {"nosync", no_argument, NULL, 'N'}, /* for backwards compatibility */
3181 {"no-sync", no_argument, NULL, 'N'},
3182 {"no-instructions", no_argument, NULL, 13},
3183 {"set", required_argument, NULL, 'c'},
3184 {"sync-only", no_argument, NULL, 'S'},
3185 {"waldir", required_argument, NULL, 'X'},
3186 {"wal-segsize", required_argument, NULL, 12},
3187 {"data-checksums", no_argument, NULL, 'k'},
3188 {"allow-group-access", no_argument, NULL, 'g'},
3189 {"discard-caches", no_argument, NULL, 14},
3190 {"locale-provider", required_argument, NULL, 15},
3191 {"builtin-locale", required_argument, NULL, 16},
3192 {"icu-locale", required_argument, NULL, 17},
3193 {"icu-rules", required_argument, NULL, 18},
3194 {"sync-method", required_argument, NULL, 19},
3195 {"no-data-checksums", no_argument, NULL, 20},
3196 {"no-sync-data-files", no_argument, NULL, 21},
3197 {NULL, 0, NULL, 0}
3198 };
3199
3200 /*
3201 * options with no short version return a low integer, the rest return
3202 * their short version value
3203 */
3204 int c;
3205 int option_index;
3206 char *effective_user;
3207 PQExpBuffer start_db_cmd;
3208 char pg_ctl_path[MAXPGPATH];
3209
3210 /*
3211 * Ensure that buffering behavior of stdout matches what it is in
3212 * interactive usage (at least on most platforms). This prevents
3213 * unexpected output ordering when, eg, output is redirected to a file.
3214 * POSIX says we must do this before any other usage of these files.
3215 */
3216 setvbuf(stdout, NULL, PG_IOLBF, 0);
3217
3218 pg_logging_init(argv[0]);
3219 progname = get_progname(argv[0]);
3220 set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("initdb"));
3221
3222 if (argc > 1)
3223 {
3224 if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0)
3225 {
3226 usage(progname);
3227 exit(0);
3228 }
3229 if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0)
3230 {
3231 puts("initdb (PostgreSQL) " PG_VERSION);
3232 exit(0);
3233 }
3234 }
3235
3236 /* process command-line options */
3237
3238 while ((c = getopt_long(argc, argv, "A:c:dD:E:gkL:nNsST:U:WX:",
3239 long_options, &option_index)) != -1)
3240 {
3241 switch (c)
3242 {
3243 case 'A':
3244 authmethodlocal = authmethodhost = pg_strdup(optarg);
3245
3246 /*
3247 * When ident is specified, use peer for local connections.
3248 * Mirrored, when peer is specified, use ident for TCP/IP
3249 * connections.
3250 */
3251 if (strcmp(authmethodhost, "ident") == 0)
3252 authmethodlocal = "peer";
3253 else if (strcmp(authmethodlocal, "peer") == 0)
3254 authmethodhost = "ident";
3255 break;
3256 case 10:
3257 authmethodlocal = pg_strdup(optarg);
3258 break;
3259 case 11:
3260 authmethodhost = pg_strdup(optarg);
3261 break;
3262 case 'c':
3263 {
3264 char *buf = pg_strdup(optarg);
3265 char *equals = strchr(buf, '=');
3266
3267 if (!equals)
3268 {
3269 pg_log_error("-c %s requires a value", buf);
3270 pg_log_error_hint("Try \"%s --help\" for more information.",
3271 progname);
3272 exit(1);
3273 }
3274 *equals++ = '\0'; /* terminate variable name */
3275 add_stringlist_item(&extra_guc_names, buf);
3276 add_stringlist_item(&extra_guc_values, equals);
3277 pfree(buf);
3278 }
3279 break;
3280 case 'D':
3281 pg_data = pg_strdup(optarg);
3282 break;
3283 case 'E':
3284 encoding = pg_strdup(optarg);
3285 break;
3286 case 'W':
3287 pwprompt = true;
3288 break;
3289 case 'U':
3290 username = pg_strdup(optarg);
3291 break;
3292 case 'd':
3293 debug = true;
3294 printf(_("Running in debug mode.\n"));
3295 break;
3296 case 'n':
3297 noclean = true;
3298 printf(_("Running in no-clean mode. Mistakes will not be cleaned up.\n"));
3299 break;
3300 case 'N':
3301 do_sync = false;
3302 break;
3303 case 'S':
3304 sync_only = true;
3305 break;
3306 case 'k':
3307 data_checksums = true;
3308 break;
3309 case 'L':
3310 share_path = pg_strdup(optarg);
3311 break;
3312 case 1:
3313 locale = pg_strdup(optarg);
3314 break;
3315 case 2:
3316 lc_collate = pg_strdup(optarg);
3317 break;
3318 case 3:
3319 lc_ctype = pg_strdup(optarg);
3320 break;
3321 case 4:
3322 lc_monetary = pg_strdup(optarg);
3323 break;
3324 case 5:
3325 lc_numeric = pg_strdup(optarg);
3326 break;
3327 case 6:
3328 lc_time = pg_strdup(optarg);
3329 break;
3330 case 7:
3331 lc_messages = pg_strdup(optarg);
3332 break;
3333 case 8:
3334 locale = "C";
3335 break;
3336 case 9:
3337 pwfilename = pg_strdup(optarg);
3338 break;
3339 case 's':
3340 show_setting = true;
3341 break;
3342 case 'T':
3343 default_text_search_config = pg_strdup(optarg);
3344 break;
3345 case 'X':
3346 xlog_dir = pg_strdup(optarg);
3347 break;
3348 case 12:
3349 if (!option_parse_int(optarg, "--wal-segsize", 1, 1024, &wal_segment_size_mb))
3350 exit(1);
3351 break;
3352 case 13:
3353 noinstructions = true;
3354 break;
3355 case 'g':
3356 SetDataDirectoryCreatePerm(PG_DIR_MODE_GROUP);
3357 break;
3358 case 14:
3359 extra_options = psprintf("%s %s",
3360 extra_options,
3361 "-c debug_discard_caches=1");
3362 break;
3363 case 15:
3364 if (strcmp(optarg, "builtin") == 0)
3365 locale_provider = COLLPROVIDER_BUILTIN;
3366 else if (strcmp(optarg, "icu") == 0)
3367 locale_provider = COLLPROVIDER_ICU;
3368 else if (strcmp(optarg, "libc") == 0)
3369 locale_provider = COLLPROVIDER_LIBC;
3370 else
3371 pg_fatal("unrecognized locale provider: %s", optarg);
3372 break;
3373 case 16:
3374 datlocale = pg_strdup(optarg);
3375 builtin_locale_specified = true;
3376 break;
3377 case 17:
3378 datlocale = pg_strdup(optarg);
3379 icu_locale_specified = true;
3380 break;
3381 case 18:
3382 icu_rules = pg_strdup(optarg);
3383 break;
3384 case 19:
3385 if (!parse_sync_method(optarg, &sync_method))
3386 exit(1);
3387 break;
3388 case 20:
3389 data_checksums = false;
3390 break;
3391 case 21:
3392 sync_data_files = false;
3393 break;
3394 default:
3395 /* getopt_long already emitted a complaint */
3396 pg_log_error_hint("Try \"%s --help\" for more information.", progname);
3397 exit(1);
3398 }
3399 }
3400
3401
3402 /*
3403 * Non-option argument specifies data directory as long as it wasn't
3404 * already specified with -D / --pgdata
3405 */
3406 if (optind < argc && !pg_data)
3407 {
3408 pg_data = pg_strdup(argv[optind]);
3409 optind++;
3410 }
3411
3412 if (optind < argc)
3413 {
3414 pg_log_error("too many command-line arguments (first is \"%s\")",
3415 argv[optind]);
3416 pg_log_error_hint("Try \"%s --help\" for more information.", progname);
3417 exit(1);
3418 }
3419
3420 if (builtin_locale_specified && locale_provider != COLLPROVIDER_BUILTIN)
3421 pg_fatal("%s cannot be specified unless locale provider \"%s\" is chosen",
3422 "--builtin-locale", "builtin");
3423
3424 if (icu_locale_specified && locale_provider != COLLPROVIDER_ICU)
3425 pg_fatal("%s cannot be specified unless locale provider \"%s\" is chosen",
3426 "--icu-locale", "icu");
3427
3428 if (icu_rules && locale_provider != COLLPROVIDER_ICU)
3429 pg_fatal("%s cannot be specified unless locale provider \"%s\" is chosen",
3430 "--icu-rules", "icu");
3431
3432 atexit(cleanup_directories_atexit);
3433
3434 /* If we only need to sync, just do it and exit */
3435 if (sync_only)
3436 {
3437 setup_pgdata();
3438
3439 /* must check that directory is readable */
3440 if (pg_check_dir(pg_data) <= 0)
3441 pg_fatal("could not access directory \"%s\": %m", pg_data);
3442
3443 fputs(_("syncing data to disk ... "), stdout);
3444 fflush(stdout);
3445 sync_pgdata(pg_data, PG_VERSION_NUM, sync_method, sync_data_files);
3446 check_ok();
3447 return 0;
3448 }
3449
3450 if (pwprompt && pwfilename)
3451 pg_fatal("password prompt and password file cannot be specified together");
3452
3453 check_authmethod_unspecified(&authmethodlocal);
3454 check_authmethod_unspecified(&authmethodhost);
3455
3456 check_authmethod_valid(authmethodlocal, auth_methods_local, "local");
3457 check_authmethod_valid(authmethodhost, auth_methods_host, "host");
3458
3459 check_need_password(authmethodlocal, authmethodhost);
3460
3461 if (!IsValidWalSegSize(wal_segment_size_mb * 1024 * 1024))
3462 pg_fatal("argument of %s must be a power of two between 1 and 1024", "--wal-segsize");
3463
3464 get_restricted_token();
3465
3466 setup_pgdata();
3467
3468 setup_bin_paths(argv[0]);
3469
3470 effective_user = get_id();
3471 if (!username)
3472 username = effective_user;
3473
3474 if (strncmp(username, "pg_", 3) == 0)
3475 pg_fatal("superuser name \"%s\" is disallowed; role names cannot begin with \"pg_\"", username);
3476
3477 printf(_("The files belonging to this database system will be owned "
3478 "by user \"%s\".\n"
3479 "This user must also own the server process.\n\n"),
3480 effective_user);
3481
3482 set_info_version();
3483
3484 setup_data_file_paths();
3485
3486 setup_locale_encoding();
3487
3488 setup_text_search();
3489
3490 printf("\n");
3491
3492 if (data_checksums)
3493 printf(_("Data page checksums are enabled.\n"));
3494 else
3495 printf(_("Data page checksums are disabled.\n"));
3496
3497 if (pwprompt || pwfilename)
3498 get_su_pwd();
3499
3500 printf("\n");
3501
3502 initialize_data_directory();
3503
3504 if (do_sync)
3505 {
3506 fputs(_("syncing data to disk ... "), stdout);
3507 fflush(stdout);
3508 sync_pgdata(pg_data, PG_VERSION_NUM, sync_method, sync_data_files);
3509 check_ok();
3510 }
3511 else
3512 printf(_("\nSync to disk skipped.\nThe data directory might become corrupt if the operating system crashes.\n"));
3513
3514 if (authwarning)
3515 {
3516 printf("\n");
3517 pg_log_warning("enabling \"trust\" authentication for local connections");
3518 pg_log_warning_hint("You can change this by editing pg_hba.conf or using the option -A, or "
3519 "--auth-local and --auth-host, the next time you run initdb.");
3520 }
3521
3522 if (!noinstructions)
3523 {
3524 /*
3525 * Build up a shell command to tell the user how to start the server
3526 */
3527 start_db_cmd = createPQExpBuffer();
3528
3529 /* Get directory specification used to start initdb ... */
3530 strlcpy(pg_ctl_path, argv[0], sizeof(pg_ctl_path));
3531 canonicalize_path(pg_ctl_path);
3532 get_parent_directory(pg_ctl_path);
3533 /* ... and tag on pg_ctl instead */
3534 join_path_components(pg_ctl_path, pg_ctl_path, "pg_ctl");
3535
3536 /* Convert the path to use native separators */
3537 make_native_path(pg_ctl_path);
3538
3539 /* path to pg_ctl, properly quoted */
3540 appendShellString(start_db_cmd, pg_ctl_path);
3541
3542 /* add -D switch, with properly quoted data directory */
3543 appendPQExpBufferStr(start_db_cmd, " -D ");
3544 appendShellString(start_db_cmd, pgdata_native);
3545
3546 /* add suggested -l switch and "start" command */
3547 /* translator: This is a placeholder in a shell command. */
3548 appendPQExpBuffer(start_db_cmd, " -l %s start", _("logfile"));
3549
3550 printf(_("\nSuccess. You can now start the database server using:\n\n"
3551 " %s\n\n"),
3552 start_db_cmd->data);
3553
3554 destroyPQExpBuffer(start_db_cmd);
3555 }
3556
3557
3558 success = true;
3559 return 0;
3560}
Max
#define Max(x, y)
Definition c.h:1013
SIGNAL_ARGS
#define SIGNAL_ARGS
Definition c.h:1385
PG_TEXTDOMAIN
#define PG_TEXTDOMAIN(domain)
Definition c.h:1231
CppAsString2
#define CppAsString2(x)
Definition c.h:440
uint64
uint64_t uint64
Definition c.h:559
uint32
uint32_t uint32
Definition c.h:558
lengthof
#define lengthof(array)
Definition c.h:815
PG_BINARY_W
#define PG_BINARY_W
Definition c.h:1312
Pointer
void * Pointer
Definition c.h:549
find_my_exec
int find_my_exec(const char *argv0, char *retpath)
Definition exec.c:161
set_pglocale_pgservice
void set_pglocale_pgservice(const char *argv0, const char *app)
Definition exec.c:430
find_other_exec
int find_other_exec(const char *argv0, const char *target, const char *versionstr, char *retpath)
Definition exec.c:311
main
int main(void)
Definition compat_informix-charfuncs.c:16
fprintf
#define fprintf(file, fmt, msg)
Definition cubescan.l:21
_
#define _(x)
Definition elog.c:95
is_encoding_supported_by_icu
bool is_encoding_supported_by_icu(int encoding)
Definition encnames.c:461
err
void err(int eval, const char *fmt,...)
Definition err.c:43
pg_malloc
void * pg_malloc(size_t size)
Definition fe_memutils.c:47
pg_strdup
char * pg_strdup(const char *in)
Definition fe_memutils.c:85
pg_free
void pg_free(void *ptr)
Definition fe_memutils.c:105
pg_realloc
void * pg_realloc(void *ptr, size_t size)
Definition fe_memutils.c:65
pg_realloc_array
#define pg_realloc_array(pointer, type, count)
Definition fe_memutils.h:63
pg_malloc_array
#define pg_malloc_array(type, count)
Definition fe_memutils.h:56
pg_malloc_object
#define pg_malloc_object(type)
Definition fe_memutils.h:50
pg_file_create_mode
int pg_file_create_mode
Definition file_perm.c:19
SetDataDirectoryCreatePerm
void SetDataDirectoryCreatePerm(int dataDirMode)
Definition file_perm.c:34
pg_mode_mask
int pg_mode_mask
Definition file_perm.c:25
pg_dir_create_mode
int pg_dir_create_mode
Definition file_perm.c:18
file_perm.h
PG_DIR_MODE_GROUP
#define PG_DIR_MODE_GROUP
Definition file_perm.h:35
file_utils.h
DataDirSyncMethod
DataDirSyncMethod
Definition file_utils.h:28
DATA_DIR_SYNC_METHOD_FSYNC
@ DATA_DIR_SYNC_METHOD_FSYNC
Definition file_utils.h:29
getopt_long.h
getopt_long
int getopt_long(int argc, char *const argv[], const char *optstring, const struct option *longopts, int *longindex)
Definition getopt_long.c:60
no_argument
#define no_argument
Definition getopt_long.h:25
required_argument
#define required_argument
Definition getopt_long.h:26
str
const char * str
Definition hashfn_unstable.h:261
newline
#define newline
Definition indent_codes.h:35
escape_quotes_bki
static char * escape_quotes_bki(const char *src)
Definition initdb.c:422
default_timezone
static const char * default_timezone
Definition initdb.c:203
superuser_password
static char * superuser_password
Definition initdb.c:156
encodingid_to_string
static char * encodingid_to_string(int enc)
Definition initdb.c:834
PG_CMD_CLOSE
#define PG_CMD_CLOSE()
Definition initdb.c:328
datlocale
static char * datlocale
Definition initdb.c:149
lc_collate
static char * lc_collate
Definition initdb.c:141
lc_time
static char * lc_time
Definition initdb.c:145
get_id
static char * get_id(void)
Definition initdb.c:815
warn_on_mount_point
void warn_on_mount_point(int error)
Definition initdb.c:3027
noclean
static bool noclean
Definition initdb.c:162
setup_depend
static void setup_depend(FILE *cmdfd)
Definition initdb.c:1712
found_existing_pgdata
static bool found_existing_pgdata
Definition initdb.c:189
found_existing_xlogdir
static bool found_existing_xlogdir
Definition initdb.c:191
hba_file
static char * hba_file
Definition initdb.c:178
pgdata_native
static char * pgdata_native
Definition initdb.c:196
PG_CMD_PUTS
#define PG_CMD_PUTS(line)
Definition initdb.c:334
check_authmethod_valid
static void check_authmethod_valid(const char *authmethod, const char *const *valid_methods, const char *conntype)
Definition initdb.c:2578
sync_data_files
static bool sync_data_files
Definition initdb.c:171
lc_ctype
static char * lc_ctype
Definition initdb.c:142
DIGITS
#define DIGITS
readfile
static char ** readfile(const char *path)
Definition initdb.c:676
n_connections
static int n_connections
Definition initdb.c:199
icu_locale_specified
static bool icu_locale_specified
Definition initdb.c:150
noinstructions
static bool noinstructions
Definition initdb.c:163
initialize_data_directory
void initialize_data_directory(void)
Definition initdb.c:3040
setup_collation
static void setup_collation(FILE *cmdfd)
Definition initdb.c:1767
xlog_dir
static char * xlog_dir
Definition initdb.c:168
debug
static bool debug
Definition initdb.c:161
check_icu_locale_encoding
static bool check_icu_locale_encoding(int user_enc)
Definition initdb.c:2296
backend_exec
static char backend_exec[MAXPGPATH]
Definition initdb.c:260
restore_global_locale
static void restore_global_locale(int category, save_locale_t save)
Definition initdb.c:389
data_checksums
static bool data_checksums
Definition initdb.c:167
PG_CMD_DECL
#define PG_CMD_DECL
Definition initdb.c:319
setup_text_search
void setup_text_search(void)
Definition initdb.c:2832
n_buffers
static int n_buffers
Definition initdb.c:201
get_encoding_id
static int get_encoding_id(const char *encoding_name)
Definition initdb.c:846
ident_file
static char * ident_file
Definition initdb.c:179
infoversion
static char infoversion[100]
Definition initdb.c:192
popen_check
static FILE * popen_check(const char *command, const char *mode)
Definition initdb.c:745
icu_language_tag
static char * icu_language_tag(const char *loc_str)
Definition initdb.c:2316
authmethodhost
static const char * authmethodhost
Definition initdb.c:157
create_data_directory
void create_data_directory(void)
Definition initdb.c:2886
guc_value_requires_quotes
static bool guc_value_requires_quotes(const char *guc_value)
Definition initdb.c:644
features_file
static char * features_file
Definition initdb.c:183
_stringlist
struct _stringlist _stringlist
share_path
static char * share_path
Definition initdb.c:135
setup_bin_paths
void setup_bin_paths(const char *argv0)
Definition initdb.c:2644
check_locale_encoding
static bool check_locale_encoding(const char *locale, int user_enc)
Definition initdb.c:2261
check_authmethod_unspecified
static void check_authmethod_unspecified(const char **authmethod)
Definition initdb.c:2568
locale_provider
static char locale_provider
Definition initdb.c:147
auth_methods_host
static const char *const auth_methods_host[]
Definition initdb.c:96
wal_segment_size_mb
static int wal_segment_size_mb
Definition initdb.c:169
bootstrap_template1
static void bootstrap_template1(void)
Definition initdb.c:1544
success
static bool success
Definition initdb.c:187
setup_locale_encoding
void setup_locale_encoding(void)
Definition initdb.c:2681
setup_run_file
static void setup_run_file(FILE *cmdfd, const char *filename)
Definition initdb.c:1725
auth_methods_local
static const char *const auth_methods_local[]
Definition initdb.c:118
replace_token
static char ** replace_token(char **lines, const char *token, const char *replacement)
Definition initdb.c:473
test_specific_config_settings
static bool test_specific_config_settings(int test_conns, int test_av_slots, int test_buffs)
Definition initdb.c:1223
my_strftime
static size_t my_strftime(char *s, size_t max, const char *fmt, const struct tm *tm)
Definition initdb.c:2130
setlocales
static void setlocales(void)
Definition initdb.c:2420
icu_rules
static char * icu_rules
Definition initdb.c:151
sync_only
static bool sync_only
Definition initdb.c:165
save_global_locale
static save_locale_t save_global_locale(int category)
Definition initdb.c:365
made_new_xlogdir
static bool made_new_xlogdir
Definition initdb.c:190
setup_auth
static void setup_auth(FILE *cmdfd)
Definition initdb.c:1636
pg_data
static char * pg_data
Definition initdb.c:138
check_need_password
static void check_need_password(const char *authmethodlocal, const char *authmethodhost)
Definition initdb.c:2593
locale_date_order
static int locale_date_order(const char *locale)
Definition initdb.c:2139
make_postgres
static void make_postgres(FILE *cmdfd)
Definition initdb.c:2061
username
static char * username
Definition initdb.c:153
do_sync
static bool do_sync
Definition initdb.c:164
test_config_settings
static void test_config_settings(void)
Definition initdb.c:1120
cleanup_directories_atexit
static void cleanup_directories_atexit(void)
Definition initdb.c:762
backend_options
static const char *const backend_options
Definition initdb.c:226
n_av_slots
static int n_av_slots
Definition initdb.c:200
setup_config
static void setup_config(void)
Definition initdb.c:1285
locale
static char * locale
Definition initdb.c:140
lc_messages
static char * lc_messages
Definition initdb.c:146
setup_privileges
static void setup_privileges(FILE *cmdfd)
Definition initdb.c:1800
write_version_file
static void write_version_file(const char *extrapath)
Definition initdb.c:1026
setup_signals
void setup_signals(void)
Definition initdb.c:2866
find_matching_ts_config
static const char * find_matching_ts_config(const char *lc_type)
Definition initdb.c:940
trapsig
static void trapsig(SIGNAL_ARGS)
Definition initdb.c:2094
save_locale_t
char * save_locale_t
Definition initdb.c:349
output_failed
static bool output_failed
Definition initdb.c:194
LETTERS
#define LETTERS
output_errno
static int output_errno
Definition initdb.c:195
system_views_file
static char * system_views_file
Definition initdb.c:186
setup_description
static void setup_description(FILE *cmdfd)
Definition initdb.c:1746
escape_quotes
static char * escape_quotes(const char *src)
Definition initdb.c:406
PG_CMD_PRINTF
#define PG_CMD_PRINTF(fmt,...)
Definition initdb.c:340
authwarning
static bool authwarning
Definition initdb.c:213
builtin_locale_specified
static bool builtin_locale_specified
Definition initdb.c:148
pretty_wal_size
static char * pretty_wal_size(int segment_count)
Definition initdb.c:1268
vacuum_db
static void vacuum_db(FILE *cmdfd)
Definition initdb.c:1997
subdirs
static const char *const subdirs[]
Definition initdb.c:231
set_info_version
static void set_info_version(void)
Definition initdb.c:1941
tsearch_config_languages
static const struct tsearch_config_match tsearch_config_languages[]
Definition initdb.c:869
setup_data_file_paths
void setup_data_file_paths(void)
Definition initdb.c:2788
set_input
static void set_input(char **dest, const char *filename)
Definition initdb.c:986
made_new_pgdata
static bool made_new_pgdata
Definition initdb.c:188
encoding
static char * encoding
Definition initdb.c:139
pwfilename
static char * pwfilename
Definition initdb.c:155
replace_guc_value
static char ** replace_guc_value(char **lines, const char *guc_name, const char *guc_value, bool mark_as_comment)
Definition initdb.c:528
MIN_BUFS_FOR_CONNS
#define MIN_BUFS_FOR_CONNS(nconns)
sync_method
static DataDirSyncMethod sync_method
Definition initdb.c:170
bin_path
static char bin_path[MAXPGPATH]
Definition initdb.c:259
encodingid
static int encodingid
Definition initdb.c:176
create_xlog_or_symlink
void create_xlog_or_symlink(void)
Definition initdb.c:2944
system_functions_file
static char * system_functions_file
Definition initdb.c:185
extra_guc_names
static _stringlist * extra_guc_names
Definition initdb.c:159
AV_SLOTS_FOR_CONNS
#define AV_SLOTS_FOR_CONNS(nconns)
dynamic_shared_memory_type
static const char * dynamic_shared_memory_type
Definition initdb.c:202
check_input
static void check_input(char *path)
Definition initdb.c:995
add_stringlist_item
static void add_stringlist_item(_stringlist **listhead, const char *str)
Definition initdb.c:445
caught_signal
static bool caught_signal
Definition initdb.c:193
progname
static const char * progname
Definition initdb.c:175
extra_guc_values
static _stringlist * extra_guc_values
Definition initdb.c:160
AUTHTRUST_WARNING
#define AUTHTRUST_WARNING
Definition initdb.c:208
choose_dsm_implementation
static const char * choose_dsm_implementation(void)
Definition initdb.c:1078
dictionary_file
static char * dictionary_file
Definition initdb.c:181
pwprompt
static bool pwprompt
Definition initdb.c:154
writefile
static void writefile(char *path, char **lines)
Definition initdb.c:723
lc_numeric
static char * lc_numeric
Definition initdb.c:144
setup_schema
static void setup_schema(FILE *cmdfd)
Definition initdb.c:1968
select_default_timezone
const char * select_default_timezone(const char *share_path)
Definition findtimezone.c:1757
conf_file
static char * conf_file
Definition initdb.c:180
setup_pgdata
void setup_pgdata(void)
Definition initdb.c:2607
check_ok
static void check_ok(void)
Definition initdb.c:2105
show_setting
static bool show_setting
Definition initdb.c:166
system_constraints_file
static char * system_constraints_file
Definition initdb.c:184
set_null_conf
static void set_null_conf(void)
Definition initdb.c:1049
extra_options
static char * extra_options
Definition initdb.c:229
authmethodlocal
static const char * authmethodlocal
Definition initdb.c:158
boot_options
static const char *const boot_options
Definition initdb.c:225
make_template0
static void make_template0(FILE *cmdfd)
Definition initdb.c:2007
info_schema_file
static char * info_schema_file
Definition initdb.c:182
load_plpgsql
static void load_plpgsql(FILE *cmdfd)
Definition initdb.c:1988
default_text_search_config
static const char * default_text_search_config
Definition initdb.c:152
PG_CMD_OPEN
#define PG_CMD_OPEN(cmd)
Definition initdb.c:321
check_locale_name
static void check_locale_name(int category, const char *locale, char **canonname)
Definition initdb.c:2198
lc_monetary
static char * lc_monetary
Definition initdb.c:143
icu_validate_locale
static void icu_validate_locale(const char *loc_str)
Definition initdb.c:2369
get_su_pwd
static void get_su_pwd(void)
Definition initdb.c:1653
bki_file
static char * bki_file
Definition initdb.c:177
close
#define close(a)
Definition win32.h:12
i
int i
Definition isn.c:77
tm
static struct pg_tm tm
Definition localtime.c:104
pg_logging_init
void pg_logging_init(const char *argv0)
Definition logging.c:83
pg_log_error
#define pg_log_error(...)
Definition logging.h:106
pg_log_error_hint
#define pg_log_error_hint(...)
Definition logging.h:112
pg_log_info
#define pg_log_info(...)
Definition logging.h:124
pg_log_warning_hint
#define pg_log_warning_hint(...)
Definition logging.h:121
pg_log_error_detail
#define pg_log_error_detail(...)
Definition logging.h:109
PG_UTF8
#define PG_UTF8
Definition mbprint.c:43
pfree
void pfree(void *pointer)
Definition mcxt.c:1616
DATEORDER_DMY
#define DATEORDER_DMY
Definition miscadmin.h:244
DATEORDER_MDY
#define DATEORDER_MDY
Definition miscadmin.h:245
DATEORDER_YMD
#define DATEORDER_YMD
Definition miscadmin.h:243
option_parse_int
bool option_parse_int(const char *optarg, const char *optname, int min_range, int max_range, int *result)
Definition option_utils.c:50
parse_sync_method
bool parse_sync_method(const char *optarg, DataDirSyncMethod *sync_method)
Definition option_utils.c:90
option_utils.h
usage
static void usage(void)
Definition pg_archivecleanup.c:258
pg_fatal
#define pg_fatal(...)
Definition pg_backup_utils.h:36
mode
static PgChecksumMode mode
Definition pg_checksums.c:56
NAMEDATALEN
#define NAMEDATALEN
Definition pg_config_manual.h:39
MAXPGPATH
#define MAXPGPATH
Definition pg_config_manual.h:105
DEFAULT_PGSOCKET_DIR
#define DEFAULT_PGSOCKET_DIR
Definition pg_config_manual.h:198
DEFAULT_XLOG_SEG_SIZE
#define DEFAULT_XLOG_SEG_SIZE
Definition pg_config_manual.h:20
DEFAULT_BACKEND_FLUSH_AFTER
#define DEFAULT_BACKEND_FLUSH_AFTER
Definition pg_config_manual.h:165
DEFAULT_CHECKPOINT_FLUSH_AFTER
#define DEFAULT_CHECKPOINT_FLUSH_AFTER
Definition pg_config_manual.h:167
DEFAULT_BGWRITER_FLUSH_AFTER
#define DEFAULT_BGWRITER_FLUSH_AFTER
Definition pg_config_manual.h:166
data
const void * data
Definition pg_crc32c_sse42.c:30
pg_ctl_path
static char * pg_ctl_path
Definition pg_createsubscriber.c:167
version_file
static char version_file[MAXPGPATH]
Definition pg_ctl.c:99
argv0
static char * argv0
Definition pg_ctl.c:94
filename
static char * filename
Definition pg_dumpall.c:132
pg_get_line
char * pg_get_line(FILE *stream, PromptInterruptContext *prompt_ctx)
Definition pg_get_line.c:59
pg_get_line_buf
bool pg_get_line_buf(FILE *stream, StringInfo buf)
Definition pg_get_line.c:95
optind
PGDLLIMPORT int optind
Definition getopt.c:51
optarg
PGDLLIMPORT char * optarg
Definition getopt.c:53
pg_prng_uint32
uint32 pg_prng_uint32(pg_prng_state *state)
Definition pg_prng.c:227
pg_prng_seed
void pg_prng_seed(pg_prng_state *state, uint64 seed)
Definition pg_prng.c:89
pg_prng.h
buf
static char buf[DEFAULT_XLOG_SEG_SIZE]
Definition pg_test_fsync.c:71
pg_wchar.h
PG_SQL_ASCII
@ PG_SQL_ASCII
Definition pg_wchar.h:226
pg_encoding_to_char
#define pg_encoding_to_char
Definition pg_wchar.h:630
pg_valid_server_encoding_id
#define pg_valid_server_encoding_id
Definition pg_wchar.h:632
pg_valid_server_encoding
#define pg_valid_server_encoding
Definition pg_wchar.h:631
pg_log_warning
#define pg_log_warning(...)
Definition pgfnames.c:24
pqsignal
#define pqsignal
Definition port.h:547
get_share_path
void get_share_path(const char *my_exec_path, char *ret_path)
Definition path.c:902
join_path_components
void join_path_components(char *ret_path, const char *head, const char *tail)
Definition path.c:286
pg_mkdir_p
int pg_mkdir_p(char *path, int omode)
Definition pgmkdirp.c:57
is_absolute_path
#define is_absolute_path(filename)
Definition port.h:104
PG_IOLBF
#define PG_IOLBF
Definition port.h:409
last_dir_separator
char * last_dir_separator(const char *filename)
Definition path.c:145
pg_strcasecmp
int pg_strcasecmp(const char *s1, const char *s2)
Definition pgstrcasecmp.c:32
escape_single_quotes_ascii
char * escape_single_quotes_ascii(const char *src)
Definition quotes.c:33
sprintf
#define sprintf
Definition port.h:262
canonicalize_path
void canonicalize_path(char *path)
Definition path.c:337
get_parent_directory
void get_parent_directory(char *path)
Definition path.c:1068
pg_check_dir
int pg_check_dir(const char *dir)
Definition pgcheckdir.c:33
strerror
#define strerror
Definition port.h:273
make_native_path
void make_native_path(char *filename)
Definition path.c:236
snprintf
#define snprintf
Definition port.h:260
DEVNULL
#define DEVNULL
Definition port.h:161
PG_BACKEND_VERSIONSTR
#define PG_BACKEND_VERSIONSTR
Definition port.h:144
get_progname
const char * get_progname(const char *argv0)
Definition path.c:652
pg_get_encoding_from_locale
int pg_get_encoding_from_locale(const char *ctype, bool write_message)
Definition chklocale.c:301
printf
#define printf(...)
Definition port.h:266
strlcpy
size_t strlcpy(char *dst, const char *src, size_t siz)
Definition strlcpy.c:45
pg_strncasecmp
int pg_strncasecmp(const char *s1, const char *s2, size_t n)
Definition pgstrcasecmp.c:65
postgres_fe.h
printfPQExpBuffer
void printfPQExpBuffer(PQExpBuffer str, const char *fmt,...)
Definition pqexpbuffer.c:235
createPQExpBuffer
PQExpBuffer createPQExpBuffer(void)
Definition pqexpbuffer.c:72
initPQExpBuffer
void initPQExpBuffer(PQExpBuffer str)
Definition pqexpbuffer.c:90
appendPQExpBuffer
void appendPQExpBuffer(PQExpBuffer str, const char *fmt,...)
Definition pqexpbuffer.c:265
destroyPQExpBuffer
void destroyPQExpBuffer(PQExpBuffer str)
Definition pqexpbuffer.c:114
appendPQExpBufferChar
void appendPQExpBufferChar(PQExpBuffer str, char ch)
Definition pqexpbuffer.c:378
appendPQExpBufferStr
void appendPQExpBufferStr(PQExpBuffer str, const char *data)
Definition pqexpbuffer.c:367
termPQExpBuffer
void termPQExpBuffer(PQExpBuffer str)
Definition pqexpbuffer.c:129
c
char * c
Definition preproc-cursor.c:31
fd
static int fd(const char *x, int i)
Definition preproc-init.c:105
fb
static int fb(int x)
Definition preproc-init.c:92
prng_state
static pg_prng_state prng_state
Definition pseudorandomfuncs.c:26
psprintf
char * psprintf(const char *fmt,...)
Definition psprintf.c:43
get_restricted_token
void get_restricted_token(void)
Definition restricted_token.c:129
restricted_token.h
rmtree
bool rmtree(const char *path, bool rmtopdir)
Definition rmtree.c:50
free
#define free(a)
Definition snowball_runtime.h:65
simple_prompt
char * simple_prompt(const char *prompt, bool echo)
Definition sprompt.c:38
error
static void error(void)
Definition sql-dyntest.c:147
pg_strip_crlf
int pg_strip_crlf(char *str)
Definition string.c:154
pg_is_ascii
bool pg_is_ascii(const char *str)
Definition string.c:132
appendShellString
void appendShellString(PQExpBuffer buf, const char *str)
Definition string_utils.c:576
string_utils.h
initStringInfo
void initStringInfo(StringInfo str)
Definition stringinfo.c:97
_stringlist
Definition initdb.c:91
_stringlist::str
char * str
Definition initdb.c:92
_stringlist::next
struct _stringlist * next
Definition initdb.c:93
pg_prng_state
Definition pg_prng.h:20
tsearch_config_match
Definition initdb.c:864
tsearch_config_match::tsconfname
const char * tsconfname
Definition initdb.c:865
tsearch_config_match::langname
const char * langname
Definition initdb.c:866
get_user_name_or_exit
const char * get_user_name_or_exit(const char *progname)
Definition username.c:74
name
const char * name
Definition wait_event_funcs.c:28
SIGHUP
#define SIGHUP
Definition win32_port.h:158
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#define stat
Definition win32_port.h:74
unsetenv
#define unsetenv(x)
Definition win32_port.h:543
SIGPIPE
#define SIGPIPE
Definition win32_port.h:163
SIGQUIT
#define SIGQUIT
Definition win32_port.h:159
mkdir
#define mkdir(a, b)
Definition win32_port.h:80
setenv
#define setenv(x, y, z)
Definition win32_port.h:542
symlink
#define symlink(oldpath, newpath)
Definition win32_port.h:225
S_ISREG
#define S_ISREG(m)
Definition win32_port.h:318
setlocale
#define setlocale(a, b)
Definition win32_port.h:472
xlog_internal.h
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#define IsValidWalSegSize(size)
Definition xlog_internal.h:96
DEFAULT_MAX_WAL_SEGS
#define DEFAULT_MAX_WAL_SEGS
Definition xlog_internal.h:92
DEFAULT_MIN_WAL_SEGS
#define DEFAULT_MIN_WAL_SEGS
Definition xlog_internal.h:91
infile
static void infile(const char *name)
Definition zic.c:1257