Line data Source code
1 : /*-------------------------------------------------------------------------
2 : *
3 : * pg_dumpall.c
4 : *
5 : * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
6 : * Portions Copyright (c) 1994, Regents of the University of California
7 : *
8 : * pg_dumpall forces all pg_dump output to be text, since it also outputs
9 : * text into the same output stream.
10 : *
11 : * src/bin/pg_dump/pg_dumpall.c
12 : *
13 : *-------------------------------------------------------------------------
14 : */
15 :
16 : #include "postgres_fe.h"
17 :
18 : #include <time.h>
19 : #include <unistd.h>
20 :
21 : #include "catalog/pg_authid_d.h"
22 : #include "common/connect.h"
23 : #include "common/file_perm.h"
24 : #include "common/file_utils.h"
25 : #include "common/hashfn_unstable.h"
26 : #include "common/logging.h"
27 : #include "common/string.h"
28 : #include "connectdb.h"
29 : #include "dumputils.h"
30 : #include "fe_utils/string_utils.h"
31 : #include "filter.h"
32 : #include "getopt_long.h"
33 :
34 : /* version string we expect back from pg_dump */
35 : #define PGDUMP_VERSIONSTR "pg_dump (PostgreSQL) " PG_VERSION "\n"
36 :
37 : typedef struct
38 : {
39 : uint32 status;
40 : uint32 hashval;
41 : char *rolename;
42 : } RoleNameEntry;
43 :
44 : #define SH_PREFIX rolename
45 : #define SH_ELEMENT_TYPE RoleNameEntry
46 : #define SH_KEY_TYPE char *
47 : #define SH_KEY rolename
48 : #define SH_HASH_KEY(tb, key) hash_string(key)
49 : #define SH_EQUAL(tb, a, b) (strcmp(a, b) == 0)
50 : #define SH_STORE_HASH
51 : #define SH_GET_HASH(tb, a) (a)->hashval
52 : #define SH_SCOPE static inline
53 : #define SH_RAW_ALLOCATOR pg_malloc0
54 : #define SH_DECLARE
55 : #define SH_DEFINE
56 : #include "lib/simplehash.h"
57 :
58 : static void help(void);
59 :
60 : static void dropRoles(PGconn *conn);
61 : static void dumpRoles(PGconn *conn);
62 : static void dumpRoleMembership(PGconn *conn);
63 : static void dumpRoleGUCPrivs(PGconn *conn);
64 : static void dropTablespaces(PGconn *conn);
65 : static void dumpTablespaces(PGconn *conn);
66 : static void dropDBs(PGconn *conn);
67 : static void dumpUserConfig(PGconn *conn, const char *username);
68 : static void dumpDatabases(PGconn *conn);
69 : static void dumpTimestamp(const char *msg);
70 : static int runPgDump(const char *dbname, const char *create_opts);
71 : static void buildShSecLabels(PGconn *conn,
72 : const char *catalog_name, Oid objectId,
73 : const char *objtype, const char *objname,
74 : PQExpBuffer buffer);
75 : static void executeCommand(PGconn *conn, const char *query);
76 : static void expand_dbname_patterns(PGconn *conn, SimpleStringList *patterns,
77 : SimpleStringList *names);
78 : static void read_dumpall_filters(const char *filename, SimpleStringList *pattern);
79 :
80 : static char pg_dump_bin[MAXPGPATH];
81 : static PQExpBuffer pgdumpopts;
82 : static const char *connstr = "";
83 : static bool output_clean = false;
84 : static bool skip_acls = false;
85 : static bool verbose = false;
86 : static bool dosync = true;
87 :
88 : static int binary_upgrade = 0;
89 : static int column_inserts = 0;
90 : static int disable_dollar_quoting = 0;
91 : static int disable_triggers = 0;
92 : static int if_exists = 0;
93 : static int inserts = 0;
94 : static int no_table_access_method = 0;
95 : static int no_tablespaces = 0;
96 : static int use_setsessauth = 0;
97 : static int no_comments = 0;
98 : static int no_policies = 0;
99 : static int no_publications = 0;
100 : static int no_security_labels = 0;
101 : static int no_data = 0;
102 : static int no_schema = 0;
103 : static int no_statistics = 0;
104 : static int no_subscriptions = 0;
105 : static int no_toast_compression = 0;
106 : static int no_unlogged_table_data = 0;
107 : static int no_role_passwords = 0;
108 : static int with_statistics = 0;
109 : static int server_version;
110 : static int load_via_partition_root = 0;
111 : static int on_conflict_do_nothing = 0;
112 : static int statistics_only = 0;
113 : static int sequence_data = 0;
114 :
115 : static char role_catalog[10];
116 : #define PG_AUTHID "pg_authid"
117 : #define PG_ROLES "pg_roles "
118 :
119 : static FILE *OPF;
120 : static char *filename = NULL;
121 :
122 : static SimpleStringList database_exclude_patterns = {NULL, NULL};
123 : static SimpleStringList database_exclude_names = {NULL, NULL};
124 :
125 : static char *restrict_key;
126 :
127 : int
128 66 : main(int argc, char *argv[])
129 : {
130 : static struct option long_options[] = {
131 : {"data-only", no_argument, NULL, 'a'},
132 : {"clean", no_argument, NULL, 'c'},
133 : {"encoding", required_argument, NULL, 'E'},
134 : {"file", required_argument, NULL, 'f'},
135 : {"globals-only", no_argument, NULL, 'g'},
136 : {"host", required_argument, NULL, 'h'},
137 : {"dbname", required_argument, NULL, 'd'},
138 : {"database", required_argument, NULL, 'l'},
139 : {"no-owner", no_argument, NULL, 'O'},
140 : {"port", required_argument, NULL, 'p'},
141 : {"roles-only", no_argument, NULL, 'r'},
142 : {"schema-only", no_argument, NULL, 's'},
143 : {"superuser", required_argument, NULL, 'S'},
144 : {"tablespaces-only", no_argument, NULL, 't'},
145 : {"username", required_argument, NULL, 'U'},
146 : {"verbose", no_argument, NULL, 'v'},
147 : {"no-password", no_argument, NULL, 'w'},
148 : {"password", no_argument, NULL, 'W'},
149 : {"no-privileges", no_argument, NULL, 'x'},
150 : {"no-acl", no_argument, NULL, 'x'},
151 :
152 : /*
153 : * the following options don't have an equivalent short option letter
154 : */
155 : {"attribute-inserts", no_argument, &column_inserts, 1},
156 : {"binary-upgrade", no_argument, &binary_upgrade, 1},
157 : {"column-inserts", no_argument, &column_inserts, 1},
158 : {"disable-dollar-quoting", no_argument, &disable_dollar_quoting, 1},
159 : {"disable-triggers", no_argument, &disable_triggers, 1},
160 : {"exclude-database", required_argument, NULL, 6},
161 : {"extra-float-digits", required_argument, NULL, 5},
162 : {"if-exists", no_argument, &if_exists, 1},
163 : {"inserts", no_argument, &inserts, 1},
164 : {"lock-wait-timeout", required_argument, NULL, 2},
165 : {"no-table-access-method", no_argument, &no_table_access_method, 1},
166 : {"no-tablespaces", no_argument, &no_tablespaces, 1},
167 : {"quote-all-identifiers", no_argument, "e_all_identifiers, 1},
168 : {"load-via-partition-root", no_argument, &load_via_partition_root, 1},
169 : {"role", required_argument, NULL, 3},
170 : {"use-set-session-authorization", no_argument, &use_setsessauth, 1},
171 : {"no-comments", no_argument, &no_comments, 1},
172 : {"no-data", no_argument, &no_data, 1},
173 : {"no-policies", no_argument, &no_policies, 1},
174 : {"no-publications", no_argument, &no_publications, 1},
175 : {"no-role-passwords", no_argument, &no_role_passwords, 1},
176 : {"no-schema", no_argument, &no_schema, 1},
177 : {"no-security-labels", no_argument, &no_security_labels, 1},
178 : {"no-subscriptions", no_argument, &no_subscriptions, 1},
179 : {"no-statistics", no_argument, &no_statistics, 1},
180 : {"no-sync", no_argument, NULL, 4},
181 : {"no-toast-compression", no_argument, &no_toast_compression, 1},
182 : {"no-unlogged-table-data", no_argument, &no_unlogged_table_data, 1},
183 : {"on-conflict-do-nothing", no_argument, &on_conflict_do_nothing, 1},
184 : {"rows-per-insert", required_argument, NULL, 7},
185 : {"statistics", no_argument, &with_statistics, 1},
186 : {"statistics-only", no_argument, &statistics_only, 1},
187 : {"filter", required_argument, NULL, 8},
188 : {"sequence-data", no_argument, &sequence_data, 1},
189 : {"restrict-key", required_argument, NULL, 9},
190 :
191 : {NULL, 0, NULL, 0}
192 : };
193 :
194 66 : char *pghost = NULL;
195 66 : char *pgport = NULL;
196 66 : char *pguser = NULL;
197 66 : char *pgdb = NULL;
198 66 : char *use_role = NULL;
199 66 : const char *dumpencoding = NULL;
200 66 : trivalue prompt_password = TRI_DEFAULT;
201 66 : bool data_only = false;
202 66 : bool globals_only = false;
203 66 : bool roles_only = false;
204 66 : bool tablespaces_only = false;
205 : PGconn *conn;
206 : int encoding;
207 : int c,
208 : ret;
209 : int optindex;
210 :
211 66 : pg_logging_init(argv[0]);
212 66 : pg_logging_set_level(PG_LOG_WARNING);
213 66 : set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pg_dump"));
214 66 : progname = get_progname(argv[0]);
215 :
216 66 : if (argc > 1)
217 : {
218 66 : if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0)
219 : {
220 1 : help();
221 1 : exit_nicely(0);
222 : }
223 65 : if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0)
224 : {
225 20 : puts("pg_dumpall (PostgreSQL) " PG_VERSION);
226 20 : exit_nicely(0);
227 : }
228 : }
229 :
230 45 : if ((ret = find_other_exec(argv[0], "pg_dump", PGDUMP_VERSIONSTR,
231 : pg_dump_bin)) < 0)
232 : {
233 : char full_path[MAXPGPATH];
234 :
235 0 : if (find_my_exec(argv[0], full_path) < 0)
236 0 : strlcpy(full_path, progname, sizeof(full_path));
237 :
238 0 : if (ret == -1)
239 0 : pg_fatal("program \"%s\" is needed by %s but was not found in the same directory as \"%s\"",
240 : "pg_dump", progname, full_path);
241 : else
242 0 : pg_fatal("program \"%s\" was found by \"%s\" but was not the same version as %s",
243 : "pg_dump", full_path, progname);
244 : }
245 :
246 45 : pgdumpopts = createPQExpBuffer();
247 :
248 244 : while ((c = getopt_long(argc, argv, "acd:E:f:gh:l:Op:rsS:tU:vwWx", long_options, &optindex)) != -1)
249 : {
250 203 : switch (c)
251 : {
252 1 : case 'a':
253 1 : data_only = true;
254 1 : appendPQExpBufferStr(pgdumpopts, " -a");
255 1 : break;
256 :
257 2 : case 'c':
258 2 : output_clean = true;
259 2 : break;
260 :
261 9 : case 'd':
262 9 : connstr = pg_strdup(optarg);
263 9 : break;
264 :
265 0 : case 'E':
266 0 : dumpencoding = pg_strdup(optarg);
267 0 : appendPQExpBufferStr(pgdumpopts, " -E ");
268 0 : appendShellString(pgdumpopts, optarg);
269 0 : break;
270 :
271 34 : case 'f':
272 34 : filename = pg_strdup(optarg);
273 34 : appendPQExpBufferStr(pgdumpopts, " -f ");
274 34 : appendShellString(pgdumpopts, filename);
275 34 : break;
276 :
277 19 : case 'g':
278 19 : globals_only = true;
279 19 : break;
280 :
281 12 : case 'h':
282 12 : pghost = pg_strdup(optarg);
283 12 : break;
284 :
285 0 : case 'l':
286 0 : pgdb = pg_strdup(optarg);
287 0 : break;
288 :
289 0 : case 'O':
290 0 : appendPQExpBufferStr(pgdumpopts, " -O");
291 0 : break;
292 :
293 20 : case 'p':
294 20 : pgport = pg_strdup(optarg);
295 20 : break;
296 :
297 7 : case 'r':
298 7 : roles_only = true;
299 7 : break;
300 :
301 0 : case 's':
302 0 : appendPQExpBufferStr(pgdumpopts, " -s");
303 0 : break;
304 :
305 0 : case 'S':
306 0 : appendPQExpBufferStr(pgdumpopts, " -S ");
307 0 : appendShellString(pgdumpopts, optarg);
308 0 : break;
309 :
310 2 : case 't':
311 2 : tablespaces_only = true;
312 2 : break;
313 :
314 18 : case 'U':
315 18 : pguser = pg_strdup(optarg);
316 18 : break;
317 :
318 2 : case 'v':
319 2 : verbose = true;
320 2 : pg_logging_increase_verbosity();
321 2 : appendPQExpBufferStr(pgdumpopts, " -v");
322 2 : break;
323 :
324 0 : case 'w':
325 0 : prompt_password = TRI_NO;
326 0 : appendPQExpBufferStr(pgdumpopts, " -w");
327 0 : break;
328 :
329 0 : case 'W':
330 0 : prompt_password = TRI_YES;
331 0 : appendPQExpBufferStr(pgdumpopts, " -W");
332 0 : break;
333 :
334 0 : case 'x':
335 0 : skip_acls = true;
336 0 : appendPQExpBufferStr(pgdumpopts, " -x");
337 0 : break;
338 :
339 32 : case 0:
340 32 : break;
341 :
342 0 : case 2:
343 0 : appendPQExpBufferStr(pgdumpopts, " --lock-wait-timeout ");
344 0 : appendShellString(pgdumpopts, optarg);
345 0 : break;
346 :
347 0 : case 3:
348 0 : use_role = pg_strdup(optarg);
349 0 : appendPQExpBufferStr(pgdumpopts, " --role ");
350 0 : appendShellString(pgdumpopts, use_role);
351 0 : break;
352 :
353 28 : case 4:
354 28 : dosync = false;
355 28 : appendPQExpBufferStr(pgdumpopts, " --no-sync");
356 28 : break;
357 :
358 0 : case 5:
359 0 : appendPQExpBufferStr(pgdumpopts, " --extra-float-digits ");
360 0 : appendShellString(pgdumpopts, optarg);
361 0 : break;
362 :
363 5 : case 6:
364 5 : simple_string_list_append(&database_exclude_patterns, optarg);
365 5 : break;
366 :
367 0 : case 7:
368 0 : appendPQExpBufferStr(pgdumpopts, " --rows-per-insert ");
369 0 : appendShellString(pgdumpopts, optarg);
370 0 : break;
371 :
372 5 : case 8:
373 5 : read_dumpall_filters(optarg, &database_exclude_patterns);
374 2 : break;
375 :
376 6 : case 9:
377 6 : restrict_key = pg_strdup(optarg);
378 6 : appendPQExpBufferStr(pgdumpopts, " --restrict-key ");
379 6 : appendShellString(pgdumpopts, optarg);
380 6 : break;
381 :
382 1 : default:
383 : /* getopt_long already emitted a complaint */
384 1 : pg_log_error_hint("Try \"%s --help\" for more information.", progname);
385 1 : exit_nicely(1);
386 : }
387 : }
388 :
389 : /* Complain if any arguments remain */
390 41 : if (optind < argc)
391 : {
392 1 : pg_log_error("too many command-line arguments (first is \"%s\")",
393 : argv[optind]);
394 1 : pg_log_error_hint("Try \"%s --help\" for more information.", progname);
395 1 : exit_nicely(1);
396 : }
397 :
398 40 : if (database_exclude_patterns.head != NULL &&
399 5 : (globals_only || roles_only || tablespaces_only))
400 : {
401 2 : pg_log_error("option %s cannot be used together with %s, %s, or %s",
402 : "--exclude-database",
403 : "-g/--globals-only", "-r/--roles-only", "-t/--tablespaces-only");
404 2 : pg_log_error_hint("Try \"%s --help\" for more information.", progname);
405 2 : exit_nicely(1);
406 : }
407 :
408 : /* Make sure the user hasn't specified a mix of globals-only options */
409 38 : if (globals_only && roles_only)
410 : {
411 1 : pg_log_error("options %s and %s cannot be used together",
412 : "-g/--globals-only", "-r/--roles-only");
413 1 : pg_log_error_hint("Try \"%s --help\" for more information.", progname);
414 1 : exit_nicely(1);
415 : }
416 :
417 37 : if (globals_only && tablespaces_only)
418 : {
419 1 : pg_log_error("options %s and %s cannot be used together",
420 : "-g/--globals-only", "-t/--tablespaces-only");
421 1 : pg_log_error_hint("Try \"%s --help\" for more information.", progname);
422 1 : exit_nicely(1);
423 : }
424 :
425 36 : if (if_exists && !output_clean)
426 1 : pg_fatal("option %s requires option %s",
427 : "--if-exists", "-c/--clean");
428 :
429 : /* --clean and --data-only are incompatible */
430 35 : if (output_clean && data_only)
431 1 : pg_fatal("options %s and %s cannot be used together",
432 : "-c/--clean", "-a/--data-only");
433 :
434 34 : if (roles_only && tablespaces_only)
435 : {
436 1 : pg_log_error("options %s and %s cannot be used together",
437 : "-r/--roles-only", "-t/--tablespaces-only");
438 1 : pg_log_error_hint("Try \"%s --help\" for more information.", progname);
439 1 : exit_nicely(1);
440 : }
441 :
442 : /*
443 : * If password values are not required in the dump, switch to using
444 : * pg_roles which is equally useful, just more likely to have unrestricted
445 : * access than pg_authid.
446 : */
447 33 : if (no_role_passwords)
448 0 : sprintf(role_catalog, "%s", PG_ROLES);
449 : else
450 33 : sprintf(role_catalog, "%s", PG_AUTHID);
451 :
452 : /* Add long options to the pg_dump argument list */
453 33 : if (binary_upgrade)
454 12 : appendPQExpBufferStr(pgdumpopts, " --binary-upgrade");
455 33 : if (column_inserts)
456 0 : appendPQExpBufferStr(pgdumpopts, " --column-inserts");
457 33 : if (disable_dollar_quoting)
458 0 : appendPQExpBufferStr(pgdumpopts, " --disable-dollar-quoting");
459 33 : if (disable_triggers)
460 0 : appendPQExpBufferStr(pgdumpopts, " --disable-triggers");
461 33 : if (inserts)
462 0 : appendPQExpBufferStr(pgdumpopts, " --inserts");
463 33 : if (no_table_access_method)
464 0 : appendPQExpBufferStr(pgdumpopts, " --no-table-access-method");
465 33 : if (no_tablespaces)
466 0 : appendPQExpBufferStr(pgdumpopts, " --no-tablespaces");
467 33 : if (quote_all_identifiers)
468 12 : appendPQExpBufferStr(pgdumpopts, " --quote-all-identifiers");
469 33 : if (load_via_partition_root)
470 0 : appendPQExpBufferStr(pgdumpopts, " --load-via-partition-root");
471 33 : if (use_setsessauth)
472 0 : appendPQExpBufferStr(pgdumpopts, " --use-set-session-authorization");
473 33 : if (no_comments)
474 0 : appendPQExpBufferStr(pgdumpopts, " --no-comments");
475 33 : if (no_data)
476 0 : appendPQExpBufferStr(pgdumpopts, " --no-data");
477 33 : if (no_policies)
478 0 : appendPQExpBufferStr(pgdumpopts, " --no-policies");
479 33 : if (no_publications)
480 0 : appendPQExpBufferStr(pgdumpopts, " --no-publications");
481 33 : if (no_security_labels)
482 0 : appendPQExpBufferStr(pgdumpopts, " --no-security-labels");
483 33 : if (no_schema)
484 0 : appendPQExpBufferStr(pgdumpopts, " --no-schema");
485 33 : if (no_statistics)
486 2 : appendPQExpBufferStr(pgdumpopts, " --no-statistics");
487 33 : if (no_subscriptions)
488 0 : appendPQExpBufferStr(pgdumpopts, " --no-subscriptions");
489 33 : if (no_toast_compression)
490 0 : appendPQExpBufferStr(pgdumpopts, " --no-toast-compression");
491 33 : if (no_unlogged_table_data)
492 3 : appendPQExpBufferStr(pgdumpopts, " --no-unlogged-table-data");
493 33 : if (with_statistics)
494 2 : appendPQExpBufferStr(pgdumpopts, " --statistics");
495 33 : if (on_conflict_do_nothing)
496 0 : appendPQExpBufferStr(pgdumpopts, " --on-conflict-do-nothing");
497 33 : if (statistics_only)
498 0 : appendPQExpBufferStr(pgdumpopts, " --statistics-only");
499 33 : if (sequence_data)
500 0 : appendPQExpBufferStr(pgdumpopts, " --sequence-data");
501 :
502 : /*
503 : * If you don't provide a restrict key, one will be appointed for you.
504 : */
505 33 : if (!restrict_key)
506 27 : restrict_key = generate_restrict_key();
507 33 : if (!restrict_key)
508 0 : pg_fatal("could not generate restrict key");
509 33 : if (!valid_restrict_key(restrict_key))
510 0 : pg_fatal("invalid restrict key");
511 :
512 : /*
513 : * If there was a database specified on the command line, use that,
514 : * otherwise try to connect to database "postgres", and failing that
515 : * "template1".
516 : */
517 33 : if (pgdb)
518 : {
519 0 : conn = ConnectDatabase(pgdb, connstr, pghost, pgport, pguser,
520 : prompt_password, false,
521 : progname, &connstr, &server_version, NULL, NULL);
522 :
523 0 : if (!conn)
524 0 : pg_fatal("could not connect to database \"%s\"", pgdb);
525 : }
526 : else
527 : {
528 33 : conn = ConnectDatabase("postgres", connstr, pghost, pgport, pguser,
529 : prompt_password, false,
530 : progname, &connstr, &server_version, NULL, NULL);
531 33 : if (!conn)
532 0 : conn = ConnectDatabase("template1", connstr, pghost, pgport, pguser,
533 : prompt_password, true,
534 : progname, &connstr, &server_version, NULL, NULL);
535 :
536 33 : if (!conn)
537 : {
538 0 : pg_log_error("could not connect to databases \"postgres\" or \"template1\"\n"
539 : "Please specify an alternative database.");
540 0 : pg_log_error_hint("Try \"%s --help\" for more information.", progname);
541 0 : exit_nicely(1);
542 : }
543 : }
544 :
545 : /*
546 : * Get a list of database names that match the exclude patterns
547 : */
548 33 : expand_dbname_patterns(conn, &database_exclude_patterns,
549 : &database_exclude_names);
550 :
551 : /*
552 : * Open the output file if required, otherwise use stdout
553 : */
554 31 : if (filename)
555 : {
556 30 : OPF = fopen(filename, PG_BINARY_W);
557 30 : if (!OPF)
558 0 : pg_fatal("could not open output file \"%s\": %m",
559 : filename);
560 : }
561 : else
562 1 : OPF = stdout;
563 :
564 : /*
565 : * Set the client encoding if requested.
566 : */
567 31 : if (dumpencoding)
568 : {
569 0 : if (PQsetClientEncoding(conn, dumpencoding) < 0)
570 0 : pg_fatal("invalid client encoding \"%s\" specified",
571 : dumpencoding);
572 : }
573 :
574 : /*
575 : * Force standard_conforming_strings on, just in case we are dumping from
576 : * an old server that has it disabled. Without this, literals in views,
577 : * expressions, etc, would be incorrect for modern servers.
578 : */
579 31 : executeCommand(conn, "SET standard_conforming_strings = on");
580 :
581 : /*
582 : * Get the active encoding, so we know how to escape strings.
583 : */
584 31 : encoding = PQclientEncoding(conn);
585 31 : setFmtEncoding(encoding);
586 :
587 : /* Set the role if requested */
588 31 : if (use_role)
589 : {
590 0 : PQExpBuffer query = createPQExpBuffer();
591 :
592 0 : appendPQExpBuffer(query, "SET ROLE %s", fmtId(use_role));
593 0 : executeCommand(conn, query->data);
594 0 : destroyPQExpBuffer(query);
595 : }
596 :
597 : /* Force quoting of all identifiers if requested. */
598 31 : if (quote_all_identifiers)
599 12 : executeCommand(conn, "SET quote_all_identifiers = true");
600 :
601 31 : fprintf(OPF, "--\n-- PostgreSQL database cluster dump\n--\n\n");
602 31 : if (verbose)
603 2 : dumpTimestamp("Started on");
604 :
605 : /*
606 : * Enter restricted mode to block any unexpected psql meta-commands. A
607 : * malicious source might try to inject a variety of things via bogus
608 : * responses to queries. While we cannot prevent such sources from
609 : * affecting the destination at restore time, we can block psql
610 : * meta-commands so that the client machine that runs psql with the dump
611 : * output remains unaffected.
612 : */
613 31 : fprintf(OPF, "\\restrict %s\n\n", restrict_key);
614 :
615 : /*
616 : * We used to emit \connect postgres here, but that served no purpose
617 : * other than to break things for installations without a postgres
618 : * database. Everything we're restoring here is a global, so whichever
619 : * database we're connected to at the moment is fine.
620 : */
621 :
622 : /* Restore will need to write to the target cluster */
623 31 : fprintf(OPF, "SET default_transaction_read_only = off;\n\n");
624 :
625 : /* Replicate encoding and standard_conforming_strings in output */
626 31 : fprintf(OPF, "SET client_encoding = '%s';\n",
627 : pg_encoding_to_char(encoding));
628 31 : fprintf(OPF, "SET standard_conforming_strings = on;\n");
629 31 : fprintf(OPF, "\n");
630 :
631 31 : if (!data_only && !statistics_only && !no_schema)
632 : {
633 : /*
634 : * If asked to --clean, do that first. We can avoid detailed
635 : * dependency analysis because databases never depend on each other,
636 : * and tablespaces never depend on each other. Roles could have
637 : * grants to each other, but DROP ROLE will clean those up silently.
638 : */
639 31 : if (output_clean)
640 : {
641 1 : if (!globals_only && !roles_only && !tablespaces_only)
642 0 : dropDBs(conn);
643 :
644 1 : if (!roles_only && !no_tablespaces)
645 1 : dropTablespaces(conn);
646 :
647 1 : if (!tablespaces_only)
648 1 : dropRoles(conn);
649 : }
650 :
651 : /*
652 : * Now create objects as requested. Be careful that option logic here
653 : * is the same as for drops above.
654 : */
655 31 : if (!tablespaces_only)
656 : {
657 : /* Dump roles (users) */
658 31 : dumpRoles(conn);
659 :
660 : /* Dump role memberships */
661 31 : dumpRoleMembership(conn);
662 :
663 : /* Dump role GUC privileges */
664 31 : if (server_version >= 150000 && !skip_acls)
665 31 : dumpRoleGUCPrivs(conn);
666 : }
667 :
668 : /* Dump tablespaces */
669 31 : if (!roles_only && !no_tablespaces)
670 26 : dumpTablespaces(conn);
671 : }
672 :
673 : /*
674 : * Exit restricted mode just before dumping the databases. pg_dump will
675 : * handle entering restricted mode again as appropriate.
676 : */
677 31 : fprintf(OPF, "\\unrestrict %s\n\n", restrict_key);
678 :
679 31 : if (!globals_only && !roles_only && !tablespaces_only)
680 11 : dumpDatabases(conn);
681 :
682 31 : PQfinish(conn);
683 :
684 31 : if (verbose)
685 2 : dumpTimestamp("Completed on");
686 31 : fprintf(OPF, "--\n-- PostgreSQL database cluster dump complete\n--\n\n");
687 :
688 31 : if (filename)
689 : {
690 30 : fclose(OPF);
691 :
692 : /* sync the resulting file, errors are not fatal */
693 30 : if (dosync)
694 3 : (void) fsync_fname(filename, false);
695 : }
696 :
697 31 : exit_nicely(0);
698 : }
699 :
700 :
701 : static void
702 1 : help(void)
703 : {
704 1 : printf(_("%s exports a PostgreSQL database cluster as an SQL script.\n\n"), progname);
705 1 : printf(_("Usage:\n"));
706 1 : printf(_(" %s [OPTION]...\n"), progname);
707 :
708 1 : printf(_("\nGeneral options:\n"));
709 1 : printf(_(" -f, --file=FILENAME output file name\n"));
710 1 : printf(_(" -v, --verbose verbose mode\n"));
711 1 : printf(_(" -V, --version output version information, then exit\n"));
712 1 : printf(_(" --lock-wait-timeout=TIMEOUT fail after waiting TIMEOUT for a table lock\n"));
713 1 : printf(_(" -?, --help show this help, then exit\n"));
714 1 : printf(_("\nOptions controlling the output content:\n"));
715 1 : printf(_(" -a, --data-only dump only the data, not the schema or statistics\n"));
716 1 : printf(_(" -c, --clean clean (drop) databases before recreating\n"));
717 1 : printf(_(" -E, --encoding=ENCODING dump the data in encoding ENCODING\n"));
718 1 : printf(_(" -g, --globals-only dump only global objects, no databases\n"));
719 1 : printf(_(" -O, --no-owner skip restoration of object ownership\n"));
720 1 : printf(_(" -r, --roles-only dump only roles, no databases or tablespaces\n"));
721 1 : printf(_(" -s, --schema-only dump only the schema, no data or statistics\n"));
722 1 : printf(_(" -S, --superuser=NAME superuser user name to use in the dump\n"));
723 1 : printf(_(" -t, --tablespaces-only dump only tablespaces, no databases or roles\n"));
724 1 : printf(_(" -x, --no-privileges do not dump privileges (grant/revoke)\n"));
725 1 : printf(_(" --binary-upgrade for use by upgrade utilities only\n"));
726 1 : printf(_(" --column-inserts dump data as INSERT commands with column names\n"));
727 1 : printf(_(" --disable-dollar-quoting disable dollar quoting, use SQL standard quoting\n"));
728 1 : printf(_(" --disable-triggers disable triggers during data-only restore\n"));
729 1 : printf(_(" --exclude-database=PATTERN exclude databases whose name matches PATTERN\n"));
730 1 : printf(_(" --extra-float-digits=NUM override default setting for extra_float_digits\n"));
731 1 : printf(_(" --filter=FILENAME exclude databases based on expressions in FILENAME\n"));
732 1 : printf(_(" --if-exists use IF EXISTS when dropping objects\n"));
733 1 : printf(_(" --inserts dump data as INSERT commands, rather than COPY\n"));
734 1 : printf(_(" --load-via-partition-root load partitions via the root table\n"));
735 1 : printf(_(" --no-comments do not dump comment commands\n"));
736 1 : printf(_(" --no-data do not dump data\n"));
737 1 : printf(_(" --no-policies do not dump row security policies\n"));
738 1 : printf(_(" --no-publications do not dump publications\n"));
739 1 : printf(_(" --no-role-passwords do not dump passwords for roles\n"));
740 1 : printf(_(" --no-schema do not dump schema\n"));
741 1 : printf(_(" --no-security-labels do not dump security label assignments\n"));
742 1 : printf(_(" --no-statistics do not dump statistics\n"));
743 1 : printf(_(" --no-subscriptions do not dump subscriptions\n"));
744 1 : printf(_(" --no-sync do not wait for changes to be written safely to disk\n"));
745 1 : printf(_(" --no-table-access-method do not dump table access methods\n"));
746 1 : printf(_(" --no-tablespaces do not dump tablespace assignments\n"));
747 1 : printf(_(" --no-toast-compression do not dump TOAST compression methods\n"));
748 1 : printf(_(" --no-unlogged-table-data do not dump unlogged table data\n"));
749 1 : printf(_(" --on-conflict-do-nothing add ON CONFLICT DO NOTHING to INSERT commands\n"));
750 1 : printf(_(" --quote-all-identifiers quote all identifiers, even if not key words\n"));
751 1 : printf(_(" --restrict-key=RESTRICT_KEY use provided string as psql \\restrict key\n"));
752 1 : printf(_(" --rows-per-insert=NROWS number of rows per INSERT; implies --inserts\n"));
753 1 : printf(_(" --sequence-data include sequence data in dump\n"));
754 1 : printf(_(" --statistics dump the statistics\n"));
755 1 : printf(_(" --statistics-only dump only the statistics, not schema or data\n"));
756 1 : printf(_(" --use-set-session-authorization\n"
757 : " use SET SESSION AUTHORIZATION commands instead of\n"
758 : " ALTER OWNER commands to set ownership\n"));
759 :
760 1 : printf(_("\nConnection options:\n"));
761 1 : printf(_(" -d, --dbname=CONNSTR connect using connection string\n"));
762 1 : printf(_(" -h, --host=HOSTNAME database server host or socket directory\n"));
763 1 : printf(_(" -l, --database=DBNAME alternative default database\n"));
764 1 : printf(_(" -p, --port=PORT database server port number\n"));
765 1 : printf(_(" -U, --username=NAME connect as specified database user\n"));
766 1 : printf(_(" -w, --no-password never prompt for password\n"));
767 1 : printf(_(" -W, --password force password prompt (should happen automatically)\n"));
768 1 : printf(_(" --role=ROLENAME do SET ROLE before dump\n"));
769 :
770 1 : printf(_("\nIf -f/--file is not used, then the SQL script will be written to the standard\n"
771 : "output.\n\n"));
772 1 : printf(_("Report bugs to <%s>.\n"), PACKAGE_BUGREPORT);
773 1 : printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
774 1 : }
775 :
776 :
777 : /*
778 : * Drop roles
779 : */
780 : static void
781 1 : dropRoles(PGconn *conn)
782 : {
783 1 : PQExpBuffer buf = createPQExpBuffer();
784 : PGresult *res;
785 : int i_rolname;
786 : int i;
787 :
788 1 : if (server_version >= 90600)
789 1 : printfPQExpBuffer(buf,
790 : "SELECT rolname "
791 : "FROM %s "
792 : "WHERE rolname !~ '^pg_' "
793 : "ORDER BY 1", role_catalog);
794 : else
795 0 : printfPQExpBuffer(buf,
796 : "SELECT rolname "
797 : "FROM %s "
798 : "ORDER BY 1", role_catalog);
799 :
800 1 : res = executeQuery(conn, buf->data);
801 :
802 1 : i_rolname = PQfnumber(res, "rolname");
803 :
804 1 : if (PQntuples(res) > 0)
805 1 : fprintf(OPF, "--\n-- Drop roles\n--\n\n");
806 :
807 4 : for (i = 0; i < PQntuples(res); i++)
808 : {
809 : const char *rolename;
810 :
811 3 : rolename = PQgetvalue(res, i, i_rolname);
812 :
813 6 : fprintf(OPF, "DROP ROLE %s%s;\n",
814 3 : if_exists ? "IF EXISTS " : "",
815 : fmtId(rolename));
816 : }
817 :
818 1 : PQclear(res);
819 1 : destroyPQExpBuffer(buf);
820 :
821 1 : fprintf(OPF, "\n\n");
822 1 : }
823 :
824 : /*
825 : * Dump roles
826 : */
827 : static void
828 31 : dumpRoles(PGconn *conn)
829 : {
830 31 : PQExpBuffer buf = createPQExpBuffer();
831 : PGresult *res;
832 : int i_oid,
833 : i_rolname,
834 : i_rolsuper,
835 : i_rolinherit,
836 : i_rolcreaterole,
837 : i_rolcreatedb,
838 : i_rolcanlogin,
839 : i_rolconnlimit,
840 : i_rolpassword,
841 : i_rolvaliduntil,
842 : i_rolreplication,
843 : i_rolbypassrls,
844 : i_rolcomment,
845 : i_is_current_user;
846 : int i;
847 :
848 : /*
849 : * Notes: rolconfig is dumped later, and pg_authid must be used for
850 : * extracting rolcomment regardless of role_catalog.
851 : */
852 31 : if (server_version >= 90600)
853 31 : printfPQExpBuffer(buf,
854 : "SELECT oid, rolname, rolsuper, rolinherit, "
855 : "rolcreaterole, rolcreatedb, "
856 : "rolcanlogin, rolconnlimit, rolpassword, "
857 : "rolvaliduntil, rolreplication, rolbypassrls, "
858 : "pg_catalog.shobj_description(oid, 'pg_authid') as rolcomment, "
859 : "rolname = current_user AS is_current_user "
860 : "FROM %s "
861 : "WHERE rolname !~ '^pg_' "
862 : "ORDER BY 2", role_catalog);
863 0 : else if (server_version >= 90500)
864 0 : printfPQExpBuffer(buf,
865 : "SELECT oid, rolname, rolsuper, rolinherit, "
866 : "rolcreaterole, rolcreatedb, "
867 : "rolcanlogin, rolconnlimit, rolpassword, "
868 : "rolvaliduntil, rolreplication, rolbypassrls, "
869 : "pg_catalog.shobj_description(oid, 'pg_authid') as rolcomment, "
870 : "rolname = current_user AS is_current_user "
871 : "FROM %s "
872 : "ORDER BY 2", role_catalog);
873 : else
874 0 : printfPQExpBuffer(buf,
875 : "SELECT oid, rolname, rolsuper, rolinherit, "
876 : "rolcreaterole, rolcreatedb, "
877 : "rolcanlogin, rolconnlimit, rolpassword, "
878 : "rolvaliduntil, rolreplication, "
879 : "false as rolbypassrls, "
880 : "pg_catalog.shobj_description(oid, 'pg_authid') as rolcomment, "
881 : "rolname = current_user AS is_current_user "
882 : "FROM %s "
883 : "ORDER BY 2", role_catalog);
884 :
885 31 : res = executeQuery(conn, buf->data);
886 :
887 31 : i_oid = PQfnumber(res, "oid");
888 31 : i_rolname = PQfnumber(res, "rolname");
889 31 : i_rolsuper = PQfnumber(res, "rolsuper");
890 31 : i_rolinherit = PQfnumber(res, "rolinherit");
891 31 : i_rolcreaterole = PQfnumber(res, "rolcreaterole");
892 31 : i_rolcreatedb = PQfnumber(res, "rolcreatedb");
893 31 : i_rolcanlogin = PQfnumber(res, "rolcanlogin");
894 31 : i_rolconnlimit = PQfnumber(res, "rolconnlimit");
895 31 : i_rolpassword = PQfnumber(res, "rolpassword");
896 31 : i_rolvaliduntil = PQfnumber(res, "rolvaliduntil");
897 31 : i_rolreplication = PQfnumber(res, "rolreplication");
898 31 : i_rolbypassrls = PQfnumber(res, "rolbypassrls");
899 31 : i_rolcomment = PQfnumber(res, "rolcomment");
900 31 : i_is_current_user = PQfnumber(res, "is_current_user");
901 :
902 31 : if (PQntuples(res) > 0)
903 31 : fprintf(OPF, "--\n-- Roles\n--\n\n");
904 :
905 108 : for (i = 0; i < PQntuples(res); i++)
906 : {
907 : const char *rolename;
908 : Oid auth_oid;
909 :
910 77 : auth_oid = atooid(PQgetvalue(res, i, i_oid));
911 77 : rolename = PQgetvalue(res, i, i_rolname);
912 :
913 77 : if (strncmp(rolename, "pg_", 3) == 0)
914 : {
915 0 : pg_log_warning("role name starting with \"pg_\" skipped (%s)",
916 : rolename);
917 0 : continue;
918 : }
919 :
920 77 : resetPQExpBuffer(buf);
921 :
922 77 : if (binary_upgrade)
923 : {
924 22 : appendPQExpBufferStr(buf, "\n-- For binary upgrade, must preserve pg_authid.oid\n");
925 22 : appendPQExpBuffer(buf,
926 : "SELECT pg_catalog.binary_upgrade_set_next_pg_authid_oid('%u'::pg_catalog.oid);\n\n",
927 : auth_oid);
928 : }
929 :
930 : /*
931 : * We dump CREATE ROLE followed by ALTER ROLE to ensure that the role
932 : * will acquire the right properties even if it already exists (ie, it
933 : * won't hurt for the CREATE to fail). This is particularly important
934 : * for the role we are connected as, since even with --clean we will
935 : * have failed to drop it. binary_upgrade cannot generate any errors,
936 : * so we assume the current role is already created.
937 : */
938 77 : if (!binary_upgrade ||
939 22 : strcmp(PQgetvalue(res, i, i_is_current_user), "f") == 0)
940 65 : appendPQExpBuffer(buf, "CREATE ROLE %s;\n", fmtId(rolename));
941 77 : appendPQExpBuffer(buf, "ALTER ROLE %s WITH", fmtId(rolename));
942 :
943 77 : if (strcmp(PQgetvalue(res, i, i_rolsuper), "t") == 0)
944 55 : appendPQExpBufferStr(buf, " SUPERUSER");
945 : else
946 22 : appendPQExpBufferStr(buf, " NOSUPERUSER");
947 :
948 77 : if (strcmp(PQgetvalue(res, i, i_rolinherit), "t") == 0)
949 77 : appendPQExpBufferStr(buf, " INHERIT");
950 : else
951 0 : appendPQExpBufferStr(buf, " NOINHERIT");
952 :
953 77 : if (strcmp(PQgetvalue(res, i, i_rolcreaterole), "t") == 0)
954 55 : appendPQExpBufferStr(buf, " CREATEROLE");
955 : else
956 22 : appendPQExpBufferStr(buf, " NOCREATEROLE");
957 :
958 77 : if (strcmp(PQgetvalue(res, i, i_rolcreatedb), "t") == 0)
959 55 : appendPQExpBufferStr(buf, " CREATEDB");
960 : else
961 22 : appendPQExpBufferStr(buf, " NOCREATEDB");
962 :
963 77 : if (strcmp(PQgetvalue(res, i, i_rolcanlogin), "t") == 0)
964 56 : appendPQExpBufferStr(buf, " LOGIN");
965 : else
966 21 : appendPQExpBufferStr(buf, " NOLOGIN");
967 :
968 77 : if (strcmp(PQgetvalue(res, i, i_rolreplication), "t") == 0)
969 31 : appendPQExpBufferStr(buf, " REPLICATION");
970 : else
971 46 : appendPQExpBufferStr(buf, " NOREPLICATION");
972 :
973 77 : if (strcmp(PQgetvalue(res, i, i_rolbypassrls), "t") == 0)
974 31 : appendPQExpBufferStr(buf, " BYPASSRLS");
975 : else
976 46 : appendPQExpBufferStr(buf, " NOBYPASSRLS");
977 :
978 77 : if (strcmp(PQgetvalue(res, i, i_rolconnlimit), "-1") != 0)
979 0 : appendPQExpBuffer(buf, " CONNECTION LIMIT %s",
980 : PQgetvalue(res, i, i_rolconnlimit));
981 :
982 :
983 77 : if (!PQgetisnull(res, i, i_rolpassword) && !no_role_passwords)
984 : {
985 0 : appendPQExpBufferStr(buf, " PASSWORD ");
986 0 : appendStringLiteralConn(buf, PQgetvalue(res, i, i_rolpassword), conn);
987 : }
988 :
989 77 : if (!PQgetisnull(res, i, i_rolvaliduntil))
990 0 : appendPQExpBuffer(buf, " VALID UNTIL '%s'",
991 : PQgetvalue(res, i, i_rolvaliduntil));
992 :
993 77 : appendPQExpBufferStr(buf, ";\n");
994 :
995 77 : if (!no_comments && !PQgetisnull(res, i, i_rolcomment))
996 : {
997 0 : appendPQExpBuffer(buf, "COMMENT ON ROLE %s IS ", fmtId(rolename));
998 0 : appendStringLiteralConn(buf, PQgetvalue(res, i, i_rolcomment), conn);
999 0 : appendPQExpBufferStr(buf, ";\n");
1000 : }
1001 :
1002 77 : if (!no_security_labels)
1003 77 : buildShSecLabels(conn, "pg_authid", auth_oid,
1004 : "ROLE", rolename,
1005 : buf);
1006 :
1007 77 : fprintf(OPF, "%s", buf->data);
1008 : }
1009 :
1010 : /*
1011 : * Dump configuration settings for roles after all roles have been dumped.
1012 : * We do it this way because config settings for roles could mention the
1013 : * names of other roles.
1014 : */
1015 31 : if (PQntuples(res) > 0)
1016 31 : fprintf(OPF, "\n--\n-- User Configurations\n--\n");
1017 :
1018 108 : for (i = 0; i < PQntuples(res); i++)
1019 77 : dumpUserConfig(conn, PQgetvalue(res, i, i_rolname));
1020 :
1021 31 : PQclear(res);
1022 :
1023 31 : fprintf(OPF, "\n\n");
1024 :
1025 31 : destroyPQExpBuffer(buf);
1026 31 : }
1027 :
1028 :
1029 : /*
1030 : * Dump role memberships.
1031 : *
1032 : * Note: we expect dumpRoles already created all the roles, but there is
1033 : * no membership yet.
1034 : */
1035 : static void
1036 31 : dumpRoleMembership(PGconn *conn)
1037 : {
1038 31 : PQExpBuffer buf = createPQExpBuffer();
1039 31 : PQExpBuffer optbuf = createPQExpBuffer();
1040 : PGresult *res;
1041 31 : int start = 0,
1042 : end,
1043 : total;
1044 : bool dump_grantors;
1045 : bool dump_grant_options;
1046 : int i_role;
1047 : int i_member;
1048 : int i_grantor;
1049 : int i_roleid;
1050 : int i_memberid;
1051 : int i_grantorid;
1052 : int i_admin_option;
1053 : int i_inherit_option;
1054 : int i_set_option;
1055 :
1056 : /*
1057 : * Previous versions of PostgreSQL didn't used to track the grantor very
1058 : * carefully in the backend, and the grantor could be any user even if
1059 : * they didn't have ADMIN OPTION on the role, or a user that no longer
1060 : * existed. To avoid dump and restore failures, don't dump the grantor
1061 : * when talking to an old server version.
1062 : *
1063 : * Also, in older versions the roleid and/or member could be role OIDs
1064 : * that no longer exist. If we find such cases, print a warning and skip
1065 : * the entry.
1066 : */
1067 31 : dump_grantors = (server_version >= 160000);
1068 :
1069 : /*
1070 : * Previous versions of PostgreSQL also did not have grant-level options.
1071 : */
1072 31 : dump_grant_options = (server_version >= 160000);
1073 :
1074 : /* Generate and execute query. */
1075 31 : printfPQExpBuffer(buf, "SELECT ur.rolname AS role, "
1076 : "um.rolname AS member, "
1077 : "ug.rolname AS grantor, "
1078 : "a.roleid AS roleid, "
1079 : "a.member AS memberid, "
1080 : "a.grantor AS grantorid, "
1081 : "a.admin_option");
1082 31 : if (dump_grant_options)
1083 31 : appendPQExpBufferStr(buf, ", a.inherit_option, a.set_option");
1084 31 : appendPQExpBuffer(buf, " FROM pg_auth_members a "
1085 : "LEFT JOIN %s ur on ur.oid = a.roleid "
1086 : "LEFT JOIN %s um on um.oid = a.member "
1087 : "LEFT JOIN %s ug on ug.oid = a.grantor "
1088 : "WHERE NOT (ur.rolname ~ '^pg_' AND um.rolname ~ '^pg_')"
1089 : "ORDER BY 1,2,3", role_catalog, role_catalog, role_catalog);
1090 31 : res = executeQuery(conn, buf->data);
1091 31 : i_role = PQfnumber(res, "role");
1092 31 : i_member = PQfnumber(res, "member");
1093 31 : i_grantor = PQfnumber(res, "grantor");
1094 31 : i_roleid = PQfnumber(res, "roleid");
1095 31 : i_memberid = PQfnumber(res, "memberid");
1096 31 : i_grantorid = PQfnumber(res, "grantorid");
1097 31 : i_admin_option = PQfnumber(res, "admin_option");
1098 31 : i_inherit_option = PQfnumber(res, "inherit_option");
1099 31 : i_set_option = PQfnumber(res, "set_option");
1100 :
1101 31 : if (PQntuples(res) > 0)
1102 0 : fprintf(OPF, "--\n-- Role memberships\n--\n\n");
1103 :
1104 : /*
1105 : * We can't dump these GRANT commands in arbitrary order, because a role
1106 : * that is named as a grantor must already have ADMIN OPTION on the role
1107 : * for which it is granting permissions, except for the bootstrap
1108 : * superuser, who can always be named as the grantor.
1109 : *
1110 : * We handle this by considering these grants role by role. For each role,
1111 : * we initially consider the only allowable grantor to be the bootstrap
1112 : * superuser. Every time we grant ADMIN OPTION on the role to some user,
1113 : * that user also becomes an allowable grantor. We make repeated passes
1114 : * over the grants for the role, each time dumping those whose grantors
1115 : * are allowable and which we haven't done yet. Eventually this should let
1116 : * us dump all the grants.
1117 : */
1118 31 : total = PQntuples(res);
1119 31 : while (start < total)
1120 : {
1121 0 : char *role = PQgetvalue(res, start, i_role);
1122 : int i;
1123 : bool *done;
1124 : int remaining;
1125 0 : int prev_remaining = 0;
1126 : rolename_hash *ht;
1127 :
1128 : /* If we hit a null roleid, we're done (nulls sort to the end). */
1129 0 : if (PQgetisnull(res, start, i_role))
1130 : {
1131 : /* translator: %s represents a numeric role OID */
1132 0 : pg_log_warning("ignoring role grant for missing role with OID %s",
1133 : PQgetvalue(res, start, i_roleid));
1134 0 : break;
1135 : }
1136 :
1137 : /* All memberships for a single role should be adjacent. */
1138 0 : for (end = start; end < total; ++end)
1139 : {
1140 : char *otherrole;
1141 :
1142 0 : otherrole = PQgetvalue(res, end, i_role);
1143 0 : if (strcmp(role, otherrole) != 0)
1144 0 : break;
1145 : }
1146 :
1147 0 : remaining = end - start;
1148 0 : done = pg_malloc0_array(bool, remaining);
1149 :
1150 : /*
1151 : * We use a hashtable to track the member names that have been granted
1152 : * admin option. Usually a hashtable is overkill, but sometimes not.
1153 : */
1154 0 : ht = rolename_create(remaining, NULL);
1155 :
1156 : /*
1157 : * Make repeated passes over the grants for this role until all have
1158 : * been dumped.
1159 : */
1160 0 : while (remaining > 0)
1161 : {
1162 : /*
1163 : * We should make progress on every iteration, because a notional
1164 : * graph whose vertices are grants and whose edges point from
1165 : * grantors to members should be connected and acyclic. If we fail
1166 : * to make progress, either we or the server have messed up.
1167 : */
1168 0 : if (remaining == prev_remaining)
1169 : {
1170 0 : pg_log_error("could not find a legal dump ordering for memberships in role \"%s\"",
1171 : role);
1172 0 : PQfinish(conn);
1173 0 : exit_nicely(1);
1174 : }
1175 0 : prev_remaining = remaining;
1176 :
1177 : /* Make one pass over the grants for this role. */
1178 0 : for (i = start; i < end; ++i)
1179 : {
1180 : char *member;
1181 : char *grantorid;
1182 0 : char *grantor = NULL;
1183 0 : bool dump_this_grantor = dump_grantors;
1184 0 : char *set_option = "true";
1185 : char *admin_option;
1186 : bool found;
1187 :
1188 : /* If we already did this grant, don't do it again. */
1189 0 : if (done[i - start])
1190 0 : continue;
1191 :
1192 : /* Complain about, then ignore, entries for unknown members. */
1193 0 : if (PQgetisnull(res, i, i_member))
1194 : {
1195 : /* translator: %s represents a numeric role OID */
1196 0 : pg_log_warning("ignoring role grant to missing role with OID %s",
1197 : PQgetvalue(res, i, i_memberid));
1198 0 : done[i - start] = true;
1199 0 : --remaining;
1200 0 : continue;
1201 : }
1202 0 : member = PQgetvalue(res, i, i_member);
1203 :
1204 : /* If the grantor is unknown, complain and dump without it. */
1205 0 : grantorid = PQgetvalue(res, i, i_grantorid);
1206 0 : if (dump_this_grantor)
1207 : {
1208 0 : if (PQgetisnull(res, i, i_grantor))
1209 : {
1210 : /* translator: %s represents a numeric role OID */
1211 0 : pg_log_warning("grant of role \"%s\" to \"%s\" has invalid grantor OID %s",
1212 : role, member, grantorid);
1213 0 : pg_log_warning_detail("This grant will be dumped without GRANTED BY.");
1214 0 : dump_this_grantor = false;
1215 : }
1216 : else
1217 0 : grantor = PQgetvalue(res, i, i_grantor);
1218 : }
1219 :
1220 0 : admin_option = PQgetvalue(res, i, i_admin_option);
1221 0 : if (dump_grant_options)
1222 0 : set_option = PQgetvalue(res, i, i_set_option);
1223 :
1224 : /*
1225 : * If we're not dumping the grantor or if the grantor is the
1226 : * bootstrap superuser, it's fine to dump this now. Otherwise,
1227 : * it's got to be someone who has already been granted ADMIN
1228 : * OPTION.
1229 : */
1230 0 : if (dump_this_grantor &&
1231 0 : atooid(grantorid) != BOOTSTRAP_SUPERUSERID &&
1232 0 : rolename_lookup(ht, grantor) == NULL)
1233 0 : continue;
1234 :
1235 : /* Remember that we did this so that we don't do it again. */
1236 0 : done[i - start] = true;
1237 0 : --remaining;
1238 :
1239 : /*
1240 : * If ADMIN OPTION is being granted, remember that grants
1241 : * listing this member as the grantor can now be dumped.
1242 : */
1243 0 : if (*admin_option == 't')
1244 0 : rolename_insert(ht, member, &found);
1245 :
1246 : /* Generate the actual GRANT statement. */
1247 0 : resetPQExpBuffer(optbuf);
1248 0 : fprintf(OPF, "GRANT %s", fmtId(role));
1249 0 : fprintf(OPF, " TO %s", fmtId(member));
1250 0 : if (*admin_option == 't')
1251 0 : appendPQExpBufferStr(optbuf, "ADMIN OPTION");
1252 0 : if (dump_grant_options)
1253 : {
1254 : char *inherit_option;
1255 :
1256 0 : if (optbuf->data[0] != '\0')
1257 0 : appendPQExpBufferStr(optbuf, ", ");
1258 0 : inherit_option = PQgetvalue(res, i, i_inherit_option);
1259 0 : appendPQExpBuffer(optbuf, "INHERIT %s",
1260 0 : *inherit_option == 't' ?
1261 : "TRUE" : "FALSE");
1262 : }
1263 0 : if (*set_option != 't')
1264 : {
1265 0 : if (optbuf->data[0] != '\0')
1266 0 : appendPQExpBufferStr(optbuf, ", ");
1267 0 : appendPQExpBufferStr(optbuf, "SET FALSE");
1268 : }
1269 0 : if (optbuf->data[0] != '\0')
1270 0 : fprintf(OPF, " WITH %s", optbuf->data);
1271 0 : if (dump_this_grantor)
1272 0 : fprintf(OPF, " GRANTED BY %s", fmtId(grantor));
1273 0 : fprintf(OPF, ";\n");
1274 : }
1275 : }
1276 :
1277 0 : rolename_destroy(ht);
1278 0 : pg_free(done);
1279 0 : start = end;
1280 : }
1281 :
1282 31 : PQclear(res);
1283 31 : destroyPQExpBuffer(buf);
1284 :
1285 31 : fprintf(OPF, "\n\n");
1286 31 : }
1287 :
1288 :
1289 : /*
1290 : * Dump role configuration parameter privileges. This code is used for 15.0
1291 : * and later servers.
1292 : *
1293 : * Note: we expect dumpRoles already created all the roles, but there are
1294 : * no per-role configuration parameter privileges yet.
1295 : */
1296 : static void
1297 31 : dumpRoleGUCPrivs(PGconn *conn)
1298 : {
1299 : PGresult *res;
1300 : int i;
1301 :
1302 : /*
1303 : * Get all parameters that have non-default acls defined.
1304 : */
1305 31 : res = executeQuery(conn, "SELECT parname, "
1306 : "pg_catalog.pg_get_userbyid(" CppAsString2(BOOTSTRAP_SUPERUSERID) ") AS parowner, "
1307 : "paracl, "
1308 : "pg_catalog.acldefault('p', " CppAsString2(BOOTSTRAP_SUPERUSERID) ") AS acldefault "
1309 : "FROM pg_catalog.pg_parameter_acl "
1310 : "ORDER BY 1");
1311 :
1312 31 : if (PQntuples(res) > 0)
1313 1 : fprintf(OPF, "--\n-- Role privileges on configuration parameters\n--\n\n");
1314 :
1315 34 : for (i = 0; i < PQntuples(res); i++)
1316 : {
1317 3 : PQExpBuffer buf = createPQExpBuffer();
1318 3 : char *parname = PQgetvalue(res, i, 0);
1319 3 : char *parowner = PQgetvalue(res, i, 1);
1320 3 : char *paracl = PQgetvalue(res, i, 2);
1321 3 : char *acldefault = PQgetvalue(res, i, 3);
1322 : char *fparname;
1323 :
1324 : /* needed for buildACLCommands() */
1325 3 : fparname = pg_strdup(fmtId(parname));
1326 :
1327 3 : if (!buildACLCommands(fparname, NULL, NULL, "PARAMETER",
1328 : paracl, acldefault,
1329 : parowner, "", server_version, buf))
1330 : {
1331 0 : pg_log_error("could not parse ACL list (%s) for parameter \"%s\"",
1332 : paracl, parname);
1333 0 : PQfinish(conn);
1334 0 : exit_nicely(1);
1335 : }
1336 :
1337 3 : fprintf(OPF, "%s", buf->data);
1338 :
1339 3 : free(fparname);
1340 3 : destroyPQExpBuffer(buf);
1341 : }
1342 :
1343 31 : PQclear(res);
1344 31 : fprintf(OPF, "\n\n");
1345 31 : }
1346 :
1347 :
1348 : /*
1349 : * Drop tablespaces.
1350 : */
1351 : static void
1352 1 : dropTablespaces(PGconn *conn)
1353 : {
1354 : PGresult *res;
1355 : int i;
1356 :
1357 : /*
1358 : * Get all tablespaces except built-in ones (which we assume are named
1359 : * pg_xxx)
1360 : */
1361 1 : res = executeQuery(conn, "SELECT spcname "
1362 : "FROM pg_catalog.pg_tablespace "
1363 : "WHERE spcname !~ '^pg_' "
1364 : "ORDER BY 1");
1365 :
1366 1 : if (PQntuples(res) > 0)
1367 1 : fprintf(OPF, "--\n-- Drop tablespaces\n--\n\n");
1368 :
1369 2 : for (i = 0; i < PQntuples(res); i++)
1370 : {
1371 1 : char *spcname = PQgetvalue(res, i, 0);
1372 :
1373 2 : fprintf(OPF, "DROP TABLESPACE %s%s;\n",
1374 1 : if_exists ? "IF EXISTS " : "",
1375 : fmtId(spcname));
1376 : }
1377 :
1378 1 : PQclear(res);
1379 :
1380 1 : fprintf(OPF, "\n\n");
1381 1 : }
1382 :
1383 : /*
1384 : * Dump tablespaces.
1385 : */
1386 : static void
1387 26 : dumpTablespaces(PGconn *conn)
1388 : {
1389 : PGresult *res;
1390 : int i;
1391 :
1392 : /*
1393 : * Get all tablespaces except built-in ones (which we assume are named
1394 : * pg_xxx)
1395 : */
1396 26 : res = executeQuery(conn, "SELECT oid, spcname, "
1397 : "pg_catalog.pg_get_userbyid(spcowner) AS spcowner, "
1398 : "pg_catalog.pg_tablespace_location(oid), "
1399 : "spcacl, acldefault('t', spcowner) AS acldefault, "
1400 : "array_to_string(spcoptions, ', '),"
1401 : "pg_catalog.shobj_description(oid, 'pg_tablespace') "
1402 : "FROM pg_catalog.pg_tablespace "
1403 : "WHERE spcname !~ '^pg_' "
1404 : "ORDER BY 1");
1405 :
1406 26 : if (PQntuples(res) > 0)
1407 12 : fprintf(OPF, "--\n-- Tablespaces\n--\n\n");
1408 :
1409 38 : for (i = 0; i < PQntuples(res); i++)
1410 : {
1411 12 : PQExpBuffer buf = createPQExpBuffer();
1412 12 : Oid spcoid = atooid(PQgetvalue(res, i, 0));
1413 12 : char *spcname = PQgetvalue(res, i, 1);
1414 12 : char *spcowner = PQgetvalue(res, i, 2);
1415 12 : char *spclocation = PQgetvalue(res, i, 3);
1416 12 : char *spcacl = PQgetvalue(res, i, 4);
1417 12 : char *acldefault = PQgetvalue(res, i, 5);
1418 12 : char *spcoptions = PQgetvalue(res, i, 6);
1419 12 : char *spccomment = PQgetvalue(res, i, 7);
1420 : char *fspcname;
1421 :
1422 : /* needed for buildACLCommands() */
1423 12 : fspcname = pg_strdup(fmtId(spcname));
1424 :
1425 12 : if (binary_upgrade)
1426 : {
1427 5 : appendPQExpBufferStr(buf, "\n-- For binary upgrade, must preserve pg_tablespace oid\n");
1428 5 : appendPQExpBuffer(buf, "SELECT pg_catalog.binary_upgrade_set_next_pg_tablespace_oid('%u'::pg_catalog.oid);\n", spcoid);
1429 : }
1430 :
1431 12 : appendPQExpBuffer(buf, "CREATE TABLESPACE %s", fspcname);
1432 12 : appendPQExpBuffer(buf, " OWNER %s", fmtId(spcowner));
1433 :
1434 12 : appendPQExpBufferStr(buf, " LOCATION ");
1435 :
1436 : /*
1437 : * In-place tablespaces use a relative path, and need to be dumped
1438 : * with an empty string as location.
1439 : */
1440 12 : if (is_absolute_path(spclocation))
1441 2 : appendStringLiteralConn(buf, spclocation, conn);
1442 : else
1443 10 : appendStringLiteralConn(buf, "", conn);
1444 :
1445 12 : appendPQExpBufferStr(buf, ";\n");
1446 :
1447 12 : if (spcoptions && spcoptions[0] != '\0')
1448 0 : appendPQExpBuffer(buf, "ALTER TABLESPACE %s SET (%s);\n",
1449 : fspcname, spcoptions);
1450 :
1451 : /* tablespaces can't have initprivs */
1452 :
1453 12 : if (!skip_acls &&
1454 12 : !buildACLCommands(fspcname, NULL, NULL, "TABLESPACE",
1455 : spcacl, acldefault,
1456 : spcowner, "", server_version, buf))
1457 : {
1458 0 : pg_log_error("could not parse ACL list (%s) for tablespace \"%s\"",
1459 : spcacl, spcname);
1460 0 : PQfinish(conn);
1461 0 : exit_nicely(1);
1462 : }
1463 :
1464 12 : if (!no_comments && spccomment && spccomment[0] != '\0')
1465 : {
1466 0 : appendPQExpBuffer(buf, "COMMENT ON TABLESPACE %s IS ", fspcname);
1467 0 : appendStringLiteralConn(buf, spccomment, conn);
1468 0 : appendPQExpBufferStr(buf, ";\n");
1469 : }
1470 :
1471 12 : if (!no_security_labels)
1472 12 : buildShSecLabels(conn, "pg_tablespace", spcoid,
1473 : "TABLESPACE", spcname,
1474 : buf);
1475 :
1476 12 : fprintf(OPF, "%s", buf->data);
1477 :
1478 12 : free(fspcname);
1479 12 : destroyPQExpBuffer(buf);
1480 : }
1481 :
1482 26 : PQclear(res);
1483 26 : fprintf(OPF, "\n\n");
1484 26 : }
1485 :
1486 :
1487 : /*
1488 : * Dump commands to drop each database.
1489 : */
1490 : static void
1491 0 : dropDBs(PGconn *conn)
1492 : {
1493 : PGresult *res;
1494 : int i;
1495 :
1496 : /*
1497 : * Skip databases marked not datallowconn, since we'd be unable to connect
1498 : * to them anyway. This must agree with dumpDatabases().
1499 : */
1500 0 : res = executeQuery(conn,
1501 : "SELECT datname "
1502 : "FROM pg_database d "
1503 : "WHERE datallowconn AND datconnlimit != -2 "
1504 : "ORDER BY datname");
1505 :
1506 0 : if (PQntuples(res) > 0)
1507 0 : fprintf(OPF, "--\n-- Drop databases (except postgres and template1)\n--\n\n");
1508 :
1509 0 : for (i = 0; i < PQntuples(res); i++)
1510 : {
1511 0 : char *dbname = PQgetvalue(res, i, 0);
1512 :
1513 : /*
1514 : * Skip "postgres" and "template1"; dumpDatabases() will deal with
1515 : * them specially. Also, be sure to skip "template0", even if for
1516 : * some reason it's not marked !datallowconn.
1517 : */
1518 0 : if (strcmp(dbname, "template1") != 0 &&
1519 0 : strcmp(dbname, "template0") != 0 &&
1520 0 : strcmp(dbname, "postgres") != 0)
1521 : {
1522 0 : fprintf(OPF, "DROP DATABASE %s%s;\n",
1523 0 : if_exists ? "IF EXISTS " : "",
1524 : fmtId(dbname));
1525 : }
1526 : }
1527 :
1528 0 : PQclear(res);
1529 :
1530 0 : fprintf(OPF, "\n\n");
1531 0 : }
1532 :
1533 :
1534 : /*
1535 : * Dump user-specific configuration
1536 : */
1537 : static void
1538 77 : dumpUserConfig(PGconn *conn, const char *username)
1539 : {
1540 77 : PQExpBuffer buf = createPQExpBuffer();
1541 : PGresult *res;
1542 :
1543 77 : printfPQExpBuffer(buf, "SELECT unnest(setconfig) FROM pg_db_role_setting "
1544 : "WHERE setdatabase = 0 AND setrole = "
1545 : "(SELECT oid FROM %s WHERE rolname = ",
1546 : role_catalog);
1547 77 : appendStringLiteralConn(buf, username, conn);
1548 77 : appendPQExpBufferChar(buf, ')');
1549 :
1550 77 : res = executeQuery(conn, buf->data);
1551 :
1552 77 : if (PQntuples(res) > 0)
1553 : {
1554 : char *sanitized;
1555 :
1556 0 : sanitized = sanitize_line(username, true);
1557 0 : fprintf(OPF, "\n--\n-- User Config \"%s\"\n--\n\n", sanitized);
1558 0 : free(sanitized);
1559 : }
1560 :
1561 77 : for (int i = 0; i < PQntuples(res); i++)
1562 : {
1563 0 : resetPQExpBuffer(buf);
1564 0 : makeAlterConfigCommand(conn, PQgetvalue(res, i, 0),
1565 : "ROLE", username, NULL, NULL,
1566 : buf);
1567 0 : fprintf(OPF, "%s", buf->data);
1568 : }
1569 :
1570 77 : PQclear(res);
1571 :
1572 77 : destroyPQExpBuffer(buf);
1573 77 : }
1574 :
1575 : /*
1576 : * Find a list of database names that match the given patterns.
1577 : * See also expand_table_name_patterns() in pg_dump.c
1578 : */
1579 : static void
1580 33 : expand_dbname_patterns(PGconn *conn,
1581 : SimpleStringList *patterns,
1582 : SimpleStringList *names)
1583 : {
1584 : PQExpBuffer query;
1585 : PGresult *res;
1586 :
1587 33 : if (patterns->head == NULL)
1588 28 : return; /* nothing to do */
1589 :
1590 5 : query = createPQExpBuffer();
1591 :
1592 : /*
1593 : * The loop below runs multiple SELECTs, which might sometimes result in
1594 : * duplicate entries in the name list, but we don't care, since all we're
1595 : * going to do is test membership of the list.
1596 : */
1597 :
1598 8 : for (SimpleStringListCell *cell = patterns->head; cell; cell = cell->next)
1599 : {
1600 : int dotcnt;
1601 :
1602 5 : appendPQExpBufferStr(query,
1603 : "SELECT datname FROM pg_catalog.pg_database n\n");
1604 5 : processSQLNamePattern(conn, query, cell->val, false,
1605 : false, NULL, "datname", NULL, NULL, NULL,
1606 : &dotcnt);
1607 :
1608 5 : if (dotcnt > 0)
1609 : {
1610 2 : pg_log_error("improper qualified name (too many dotted names): %s",
1611 : cell->val);
1612 2 : PQfinish(conn);
1613 2 : exit_nicely(1);
1614 : }
1615 :
1616 3 : res = executeQuery(conn, query->data);
1617 7 : for (int i = 0; i < PQntuples(res); i++)
1618 : {
1619 4 : simple_string_list_append(names, PQgetvalue(res, i, 0));
1620 : }
1621 :
1622 3 : PQclear(res);
1623 3 : resetPQExpBuffer(query);
1624 : }
1625 :
1626 3 : destroyPQExpBuffer(query);
1627 : }
1628 :
1629 : /*
1630 : * Dump contents of databases.
1631 : */
1632 : static void
1633 11 : dumpDatabases(PGconn *conn)
1634 : {
1635 : PGresult *res;
1636 : int i;
1637 :
1638 : /*
1639 : * Skip databases marked not datallowconn, since we'd be unable to connect
1640 : * to them anyway. This must agree with dropDBs().
1641 : *
1642 : * We arrange for template1 to be processed first, then we process other
1643 : * DBs in alphabetical order. If we just did them all alphabetically, we
1644 : * might find ourselves trying to drop the "postgres" database while still
1645 : * connected to it. This makes trying to run the restore script while
1646 : * connected to "template1" a bad idea, but there's no fixed order that
1647 : * doesn't have some failure mode with --clean.
1648 : */
1649 11 : res = executeQuery(conn,
1650 : "SELECT datname "
1651 : "FROM pg_database d "
1652 : "WHERE datallowconn AND datconnlimit != -2 "
1653 : "ORDER BY (datname <> 'template1'), datname");
1654 :
1655 11 : if (PQntuples(res) > 0)
1656 11 : fprintf(OPF, "--\n-- Databases\n--\n\n");
1657 :
1658 63 : for (i = 0; i < PQntuples(res); i++)
1659 : {
1660 52 : char *dbname = PQgetvalue(res, i, 0);
1661 : char *sanitized;
1662 : const char *create_opts;
1663 : int ret;
1664 :
1665 : /* Skip template0, even if it's not marked !datallowconn. */
1666 52 : if (strcmp(dbname, "template0") == 0)
1667 0 : continue;
1668 :
1669 : /* Skip any explicitly excluded database */
1670 52 : if (simple_string_list_member(&database_exclude_names, dbname))
1671 : {
1672 4 : pg_log_info("excluding database \"%s\"", dbname);
1673 4 : continue;
1674 : }
1675 :
1676 48 : pg_log_info("dumping database \"%s\"", dbname);
1677 :
1678 48 : sanitized = sanitize_line(dbname, true);
1679 48 : fprintf(OPF, "--\n-- Database \"%s\" dump\n--\n\n", sanitized);
1680 48 : free(sanitized);
1681 :
1682 : /*
1683 : * We assume that "template1" and "postgres" already exist in the
1684 : * target installation. dropDBs() won't have removed them, for fear
1685 : * of removing the DB the restore script is initially connected to. If
1686 : * --clean was specified, tell pg_dump to drop and recreate them;
1687 : * otherwise we'll merely restore their contents. Other databases
1688 : * should simply be created.
1689 : */
1690 48 : if (strcmp(dbname, "template1") == 0 || strcmp(dbname, "postgres") == 0)
1691 : {
1692 21 : if (output_clean)
1693 0 : create_opts = "--clean --create";
1694 : else
1695 : {
1696 21 : create_opts = "";
1697 : /* Since pg_dump won't emit a \connect command, we must */
1698 21 : fprintf(OPF, "\\connect %s\n\n", dbname);
1699 : }
1700 : }
1701 : else
1702 27 : create_opts = "--create";
1703 :
1704 48 : if (filename)
1705 48 : fclose(OPF);
1706 :
1707 48 : ret = runPgDump(dbname, create_opts);
1708 48 : if (ret != 0)
1709 0 : pg_fatal("pg_dump failed on database \"%s\", exiting", dbname);
1710 :
1711 48 : if (filename)
1712 : {
1713 48 : OPF = fopen(filename, PG_BINARY_A);
1714 48 : if (!OPF)
1715 0 : pg_fatal("could not re-open the output file \"%s\": %m",
1716 : filename);
1717 : }
1718 : }
1719 :
1720 11 : PQclear(res);
1721 11 : }
1722 :
1723 :
1724 :
1725 : /*
1726 : * Run pg_dump on dbname, with specified options.
1727 : */
1728 : static int
1729 48 : runPgDump(const char *dbname, const char *create_opts)
1730 : {
1731 : PQExpBufferData connstrbuf;
1732 : PQExpBufferData cmd;
1733 : int ret;
1734 :
1735 48 : initPQExpBuffer(&connstrbuf);
1736 48 : initPQExpBuffer(&cmd);
1737 :
1738 48 : printfPQExpBuffer(&cmd, "\"%s\" %s %s", pg_dump_bin,
1739 48 : pgdumpopts->data, create_opts);
1740 :
1741 : /*
1742 : * If we have a filename, use the undocumented plain-append pg_dump
1743 : * format.
1744 : */
1745 48 : if (filename)
1746 48 : appendPQExpBufferStr(&cmd, " -Fa ");
1747 : else
1748 0 : appendPQExpBufferStr(&cmd, " -Fp ");
1749 :
1750 : /*
1751 : * Append the database name to the already-constructed stem of connection
1752 : * string.
1753 : */
1754 48 : appendPQExpBuffer(&connstrbuf, "%s dbname=", connstr);
1755 48 : appendConnStrVal(&connstrbuf, dbname);
1756 :
1757 48 : appendShellString(&cmd, connstrbuf.data);
1758 :
1759 48 : pg_log_info("running \"%s\"", cmd.data);
1760 :
1761 48 : fflush(NULL);
1762 :
1763 48 : ret = system(cmd.data);
1764 :
1765 48 : termPQExpBuffer(&cmd);
1766 48 : termPQExpBuffer(&connstrbuf);
1767 :
1768 48 : return ret;
1769 : }
1770 :
1771 : /*
1772 : * buildShSecLabels
1773 : *
1774 : * Build SECURITY LABEL command(s) for a shared object
1775 : *
1776 : * The caller has to provide object type and identity in two separate formats:
1777 : * catalog_name (e.g., "pg_database") and object OID, as well as
1778 : * type name (e.g., "DATABASE") and object name (not pre-quoted).
1779 : *
1780 : * The command(s) are appended to "buffer".
1781 : */
1782 : static void
1783 89 : buildShSecLabels(PGconn *conn, const char *catalog_name, Oid objectId,
1784 : const char *objtype, const char *objname,
1785 : PQExpBuffer buffer)
1786 : {
1787 89 : PQExpBuffer sql = createPQExpBuffer();
1788 : PGresult *res;
1789 :
1790 89 : buildShSecLabelQuery(catalog_name, objectId, sql);
1791 89 : res = executeQuery(conn, sql->data);
1792 89 : emitShSecLabels(conn, res, buffer, objtype, objname);
1793 :
1794 89 : PQclear(res);
1795 89 : destroyPQExpBuffer(sql);
1796 89 : }
1797 :
1798 : /*
1799 : * As above for a SQL command (which returns nothing).
1800 : */
1801 : static void
1802 43 : executeCommand(PGconn *conn, const char *query)
1803 : {
1804 : PGresult *res;
1805 :
1806 43 : pg_log_info("executing %s", query);
1807 :
1808 43 : res = PQexec(conn, query);
1809 86 : if (!res ||
1810 43 : PQresultStatus(res) != PGRES_COMMAND_OK)
1811 : {
1812 0 : pg_log_error("query failed: %s", PQerrorMessage(conn));
1813 0 : pg_log_error_detail("Query was: %s", query);
1814 0 : PQfinish(conn);
1815 0 : exit_nicely(1);
1816 : }
1817 :
1818 43 : PQclear(res);
1819 43 : }
1820 :
1821 :
1822 : /*
1823 : * dumpTimestamp
1824 : */
1825 : static void
1826 4 : dumpTimestamp(const char *msg)
1827 : {
1828 : char buf[64];
1829 4 : time_t now = time(NULL);
1830 :
1831 4 : if (strftime(buf, sizeof(buf), PGDUMP_STRFTIME_FMT, localtime(&now)) != 0)
1832 4 : fprintf(OPF, "-- %s %s\n\n", msg, buf);
1833 4 : }
1834 :
1835 : /*
1836 : * read_dumpall_filters - retrieve database identifier patterns from file
1837 : *
1838 : * Parse the specified filter file for include and exclude patterns, and add
1839 : * them to the relevant lists. If the filename is "-" then filters will be
1840 : * read from STDIN rather than a file.
1841 : *
1842 : * At the moment, the only allowed filter is for database exclusion.
1843 : */
1844 : static void
1845 5 : read_dumpall_filters(const char *filename, SimpleStringList *pattern)
1846 : {
1847 : FilterStateData fstate;
1848 : char *objname;
1849 : FilterCommandType comtype;
1850 : FilterObjectType objtype;
1851 :
1852 5 : filter_init(&fstate, filename, exit);
1853 :
1854 12 : while (filter_read_item(&fstate, &objname, &comtype, &objtype))
1855 : {
1856 3 : if (comtype == FILTER_COMMAND_TYPE_INCLUDE)
1857 : {
1858 0 : pg_log_filter_error(&fstate, _("%s filter for \"%s\" is not allowed"),
1859 : "include",
1860 : filter_object_type_name(objtype));
1861 0 : exit_nicely(1);
1862 : }
1863 :
1864 3 : switch (objtype)
1865 : {
1866 0 : case FILTER_OBJECT_TYPE_NONE:
1867 0 : break;
1868 1 : case FILTER_OBJECT_TYPE_FUNCTION:
1869 : case FILTER_OBJECT_TYPE_INDEX:
1870 : case FILTER_OBJECT_TYPE_TABLE_DATA:
1871 : case FILTER_OBJECT_TYPE_TABLE_DATA_AND_CHILDREN:
1872 : case FILTER_OBJECT_TYPE_TRIGGER:
1873 : case FILTER_OBJECT_TYPE_EXTENSION:
1874 : case FILTER_OBJECT_TYPE_FOREIGN_DATA:
1875 : case FILTER_OBJECT_TYPE_SCHEMA:
1876 : case FILTER_OBJECT_TYPE_TABLE:
1877 : case FILTER_OBJECT_TYPE_TABLE_AND_CHILDREN:
1878 1 : pg_log_filter_error(&fstate, _("unsupported filter object"));
1879 1 : exit_nicely(1);
1880 : break;
1881 :
1882 2 : case FILTER_OBJECT_TYPE_DATABASE:
1883 2 : simple_string_list_append(pattern, objname);
1884 2 : break;
1885 : }
1886 :
1887 2 : if (objname)
1888 2 : free(objname);
1889 : }
1890 :
1891 2 : filter_free(&fstate);
1892 2 : }
|