-
Notifications
You must be signed in to change notification settings - Fork 1.6k
/
mysql_upgrade.c
1508 lines (1287 loc) · 43.1 KB
/
mysql_upgrade.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
Copyright (c) 2006, 2013, Oracle and/or its affiliates.
Copyright (c) 2010, 2017, MariaDB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA
*/
#include "client_priv.h"
#include <sslopt-vars.h>
#include <../scripts/mysql_fix_privilege_tables_sql.c>
#include <welcome_copyright_notice.h> /* ORACLE_WELCOME_COPYRIGHT_NOTICE */
#define VER "2.0"
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifndef WEXITSTATUS
# ifdef _WIN32
# define WEXITSTATUS(stat_val) (stat_val)
# else
# define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
# endif
#endif
static int phase = 0;
static int info_file= -1;
static const int phases_total = 7;
static char mysql_path[FN_REFLEN];
static char mysqlcheck_path[FN_REFLEN];
static my_bool debug_info_flag, debug_check_flag,
opt_systables_only, opt_version_check;
static my_bool opt_not_used, opt_silent, opt_check_upgrade;
static uint opt_force, opt_verbose;
static uint my_end_arg= 0;
static char *opt_user= (char*)"root";
static my_bool upgrade_from_mysql;
static DYNAMIC_STRING ds_args;
static DYNAMIC_STRING conn_args;
static DYNAMIC_STRING ds_plugin_data_types;
static char *opt_password= 0;
static char *opt_plugin_dir= 0, *opt_default_auth= 0;
static char *cnf_file_path= 0, defaults_file[FN_REFLEN + 32];
static my_bool tty_password= 0;
static char opt_tmpdir[FN_REFLEN] = "";
#ifndef DBUG_OFF
static char *default_dbug_option= (char*) "d:t:O,/tmp/mariadb-upgrade.trace";
#endif
static char **defaults_argv;
static my_bool not_used; /* Can't use GET_BOOL without a value pointer */
char upgrade_from_version[sizeof("10.20.456-MariaDB")+30];
static my_bool opt_write_binlog;
#define OPT_SILENT OPT_MAX_CLIENT_OPTION
static struct my_option my_long_options[]=
{
{"help", '?', "Display this help message and exit.", 0, 0, 0, GET_NO_ARG,
NO_ARG, 0, 0, 0, 0, 0, 0},
{"basedir", 'b',
"Not used by mysql_upgrade. Only for backward compatibility.",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"character-sets-dir", OPT_CHARSETS_DIR,
"Not used by mysql_upgrade. Only for backward compatibility.",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
{"compress", OPT_COMPRESS,
"Not used by mysql_upgrade. Only for backward compatibility.",
¬_used, ¬_used, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"datadir", 'd',
"Not used by mysql_upgrade. Only for backward compatibility.",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#ifdef DBUG_OFF
{"debug", '#', "This is a non-debug version. Catch this and exit.",
0, 0, 0, GET_DISABLED, OPT_ARG, 0, 0, 0, 0, 0, 0},
#else
{"debug", '#', "Output debug log.",
0, 0, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
#endif
{"debug-check", OPT_DEBUG_CHECK, "Check memory and open file usage at exit.",
&debug_check_flag, &debug_check_flag,
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"debug-info", 'T', "Print some debug info at exit.", &debug_info_flag,
&debug_info_flag, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"default-character-set", OPT_DEFAULT_CHARSET,
"Not used by mysql_upgrade. Only for backward compatibility.",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"default_auth", OPT_DEFAULT_AUTH,
"Default authentication client-side plugin to use.",
&opt_default_auth, &opt_default_auth, 0,
GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"check-if-upgrade-is-needed", OPT_CHECK_IF_UPGRADE_NEEDED,
"Exits with status 0 if an upgrades is required, 1 otherwise.",
&opt_check_upgrade, &opt_check_upgrade,
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"force", 'f', "Force execution of mysqlcheck even if mysql_upgrade "
"has already been executed for the current version of MariaDB.",
&opt_not_used, &opt_not_used, 0 , GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"host", 'h', "Connect to host.", 0,
0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"password", 'p',
"Password to use when connecting to server. If password is not given,"
" it's solicited on the tty.", &opt_password,&opt_password,
0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
#ifdef _WIN32
{"pipe", 'W', "Use named pipes to connect to server.", 0, 0, 0,
GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
#endif
{"plugin_dir", OPT_PLUGIN_DIR, "Directory for client-side plugins.",
&opt_plugin_dir, &opt_plugin_dir, 0,
GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"port", 'P', "Port number to use for connection or 0 for default to, in "
"order of preference, my.cnf, $MYSQL_TCP_PORT, "
#if MYSQL_PORT_DEFAULT == 0
"/etc/services, "
#endif
"built-in default (" STRINGIFY_ARG(MYSQL_PORT) ").",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"protocol", OPT_MYSQL_PROTOCOL,
"The protocol to use for connection (tcp, socket, pipe).",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"silent", OPT_SILENT, "Print less information", &opt_silent,
&opt_silent, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"socket", 'S', "The socket file to use for connection.",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#include <sslopt-longopts.h>
{"tmpdir", 't', "Directory for temporary files.",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"upgrade-system-tables", 's', "Only upgrade the system tables in the mysql database. Tables in other databases are not checked or touched.",
&opt_systables_only, &opt_systables_only, 0,
GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"user", 'u', "User for login.", &opt_user,
&opt_user, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"verbose", 'v', "Display more output about the process; Using it twice will print connection argument; Using it 3 times will print out all CHECK, RENAME and ALTER TABLE during the check phase.",
&opt_not_used, &opt_not_used, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
{"version", 'V', "Output version information and exit.", 0, 0, 0,
GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"version-check", 'k',
"Run this program only if its \'server version\' "
"matches the version of the server to which it's connecting. "
"Note: the \'server version\' of the program is the version of the MariaDB "
"server with which it was built/distributed.",
&opt_version_check, &opt_version_check, 0,
GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
{"write-binlog", OPT_WRITE_BINLOG, "All commands including those "
"issued by mysqlcheck are written to the binary log.",
&opt_write_binlog, &opt_write_binlog, 0, GET_BOOL, NO_ARG,
0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
};
static const char *load_default_groups[]=
{
"client", /* Read settings how to connect to server */
"mysql_upgrade", /* Read special settings for mysql_upgrade */
"mariadb-upgrade", /* Read special settings for mysql_upgrade */
"client-server", /* Reads settings common between client & server */
"client-mariadb", /* Read mariadb unique client settings */
0
};
static void free_used_memory(void)
{
/* Free memory allocated by 'load_defaults' */
if (defaults_argv)
free_defaults(defaults_argv);
dynstr_free(&ds_args);
dynstr_free(&conn_args);
dynstr_free(&ds_plugin_data_types);
if (cnf_file_path)
my_delete(cnf_file_path, MYF(MY_WME));
if (info_file >= 0)
{
(void) my_lock(info_file, F_UNLCK, 0, 1, MYF(0));
my_close(info_file, MYF(MY_WME));
info_file= -1;
}
}
static void die(const char *fmt, ...)
{
va_list args;
DBUG_ENTER("die");
/* Print the error message */
fflush(stdout);
va_start(args, fmt);
if (fmt)
{
fprintf(stderr, "FATAL ERROR: ");
vfprintf(stderr, fmt, args);
fprintf(stderr, "\n");
fflush(stderr);
}
va_end(args);
free_used_memory();
my_end(my_end_arg);
exit(1);
}
static void verbose(const char *fmt, ...)
{
va_list args;
if (opt_silent)
return;
/* Print the verbose message */
va_start(args, fmt);
if (fmt)
{
vfprintf(stdout, fmt, args);
fprintf(stdout, "\n");
fflush(stdout);
}
va_end(args);
}
static void print_error(const char *error_msg, DYNAMIC_STRING *output)
{
fprintf(stderr, "%s\n", error_msg);
fprintf(stderr, "%s", output->str);
}
/*
Add one option - passed to mysql_upgrade on command line
or by defaults file(my.cnf) - to a dynamic string, in
this way we pass the same arguments on to mysql and mysql_check
*/
static void add_one_option_cmd_line(DYNAMIC_STRING *ds,
const char *name,
const char *arg)
{
dynstr_append(ds, "--");
dynstr_append(ds, name);
if (arg)
{
dynstr_append(ds, "=");
dynstr_append_os_quoted(ds, arg, NullS);
}
dynstr_append(ds, " ");
}
static void add_one_option_cnf_file(DYNAMIC_STRING *ds,
const char *name,
const char *arg)
{
dynstr_append(ds, name);
if (arg)
{
dynstr_append(ds, "=");
dynstr_append_os_quoted(ds, arg, NullS);
}
dynstr_append(ds, "\n");
}
static my_bool
get_one_option(const struct my_option *opt, const char *argument,
const char *filename __attribute__((unused)))
{
my_bool add_option= TRUE;
switch (opt->id) {
case '?':
printf("%s Ver %s Distrib %s, for %s (%s)\n",
my_progname, VER, MYSQL_SERVER_VERSION, SYSTEM_TYPE, MACHINE_TYPE);
puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
puts("MariaDB utility for upgrading databases to new MariaDB versions.");
print_defaults("my", load_default_groups);
puts("");
my_print_help(my_long_options);
my_print_variables(my_long_options);
die(0);
break;
case '#':
DBUG_PUSH(argument ? argument : default_dbug_option);
add_option= FALSE;
debug_check_flag= 1;
break;
case 'p':
if (argument == disabled_my_option)
argument= (char*) ""; /* Don't require password */
add_option= FALSE;
if (argument)
{
/*
One should not really change the argument, but we make an
exception for passwords
*/
char *start= (char*) argument;
/* Add password to ds_args before overwriting the arg with x's */
add_one_option_cnf_file(&ds_args, opt->name, argument);
while (*argument)
*(char*)argument++= 'x'; /* Destroy argument */
if (*start)
start[1]= 0;
tty_password= 0;
}
else
tty_password= 1;
break;
case 't':
strnmov(opt_tmpdir, argument, sizeof(opt_tmpdir));
add_option= FALSE;
break;
case 'b': /* --basedir */
case 'd': /* --datadir */
fprintf(stderr, "%s: the '--%s' option is always ignored\n",
my_progname, opt->id == 'b' ? "basedir" : "datadir");
/* FALLTHROUGH */
case 'k': /* --version-check */
case 'v': /* --verbose */
opt_verbose++;
if (argument == disabled_my_option)
{
opt_verbose= 0;
opt_silent= 1;
}
add_option= 0;
break;
case 'V':
printf("%s Ver %s Distrib %s, for %s (%s)\n",
my_progname, VER, MYSQL_SERVER_VERSION, SYSTEM_TYPE, MACHINE_TYPE);
die(0);
break;
case 'f': /* --force */
opt_force++;
if (argument == disabled_my_option)
opt_force= 0;
add_option= 0;
break;
case OPT_SILENT:
opt_verbose= 0;
add_option= 0;
break;
case OPT_CHECK_IF_UPGRADE_NEEDED: /* --check-if-upgrade-needed */
case 's': /* --upgrade-system-tables */
case OPT_WRITE_BINLOG: /* --write-binlog */
add_option= FALSE;
break;
case 'h': /* --host */
case 'W': /* --pipe */
case 'P': /* --port */
case 'S': /* --socket */
case OPT_MYSQL_PROTOCOL: /* --protocol */
case OPT_PLUGIN_DIR: /* --plugin-dir */
case OPT_DEFAULT_AUTH: /* --default-auth */
add_one_option_cmd_line(&conn_args, opt->name, argument);
break;
}
if (add_option)
{
/*
This is an option that is accepted by mysql_upgrade just so
it can be passed on to "mysql" and "mysqlcheck"
Save it in the ds_args string
*/
add_one_option_cnf_file(&ds_args, opt->name, argument);
}
return 0;
}
/* Convert the specified version string into the numeric format. */
static ulong STDCALL calc_server_version(char *some_version)
{
uint major, minor, version;
char *point= some_version, *end_point;
major= (uint) strtoul(point, &end_point, 10); point=end_point+1;
minor= (uint) strtoul(point, &end_point, 10); point=end_point+1;
version= (uint) strtoul(point, &end_point, 10);
return (ulong) major * 10000L + (ulong)(minor * 100 + version);
}
/**
Run a command using the shell, storing its output in the supplied dynamic
string.
*/
static int run_command(char* cmd,
DYNAMIC_STRING *ds_res)
{
char buf[512]= {0};
FILE *res_file;
int error;
if (opt_verbose >= 4)
puts(cmd);
if (!(res_file= my_popen(cmd, "r")))
die("popen(\"%s\", \"r\") failed", cmd);
while (fgets(buf, sizeof(buf), res_file))
{
#ifdef _WIN32
/* Strip '\r' off newlines. */
size_t len = strlen(buf);
if (len > 1 && buf[len - 2] == '\r' && buf[len - 1] == '\n')
{
buf[len - 2] = '\n';
buf[len - 1] = 0;
}
#endif
DBUG_PRINT("info", ("buf: %s", buf));
if(ds_res)
{
/* Save the output of this command in the supplied string */
dynstr_append(ds_res, buf);
}
else
{
/* Print it directly on screen */
fprintf(stdout, "%s", buf);
}
}
error= my_pclose(res_file);
return WEXITSTATUS(error);
}
static int run_tool(char *tool_path, DYNAMIC_STRING *ds_res, ...)
{
int ret;
const char* arg;
va_list args;
DYNAMIC_STRING ds_cmdline;
DBUG_ENTER("run_tool");
DBUG_PRINT("enter", ("tool_path: %s", tool_path));
if (init_dynamic_string(&ds_cmdline, IF_WIN("\"", ""), FN_REFLEN, FN_REFLEN))
die("Out of memory");
dynstr_append_os_quoted(&ds_cmdline, tool_path, NullS);
dynstr_append(&ds_cmdline, " ");
va_start(args, ds_res);
while ((arg= va_arg(args, char *)))
{
/* Options should already be os quoted */
dynstr_append(&ds_cmdline, arg);
dynstr_append(&ds_cmdline, " ");
}
va_end(args);
#ifdef _WIN32
dynstr_append(&ds_cmdline, "\"");
#endif
DBUG_PRINT("info", ("Running: %s", ds_cmdline.str));
ret= run_command(ds_cmdline.str, ds_res);
DBUG_PRINT("exit", ("ret: %d", ret));
dynstr_free(&ds_cmdline);
DBUG_RETURN(ret);
}
/**
Look for the filename of given tool, with the presumption that it is in the
same directory as mysql_upgrade and that the same executable-searching
mechanism will be used when we run our sub-shells with popen() later.
*/
static void find_tool(char *tool_executable_name, const char *tool_name,
const char *self_name)
{
char *last_fn_libchar;
DYNAMIC_STRING ds_tmp;
DBUG_ENTER("find_tool");
DBUG_PRINT("enter", ("progname: %s", my_progname));
if (init_dynamic_string(&ds_tmp, "", 32, 32))
die("Out of memory");
last_fn_libchar= strrchr(self_name, FN_LIBCHAR);
if (last_fn_libchar == NULL)
{
/*
mysql_upgrade was found by the shell searching the path. A sibling
next to us should be found the same way.
*/
strncpy(tool_executable_name, tool_name, FN_REFLEN);
}
else
{
int len;
/*
mysql_upgrade was run absolutely or relatively. We can find a sibling
by replacing our name after the LIBCHAR with the new tool name.
*/
/*
When running in a not yet installed build and using libtool,
the program(mysql_upgrade) will be in .libs/ and executed
through a libtool wrapper in order to use the dynamic libraries
from this build. The same must be done for the tools(mysql and
mysqlcheck). Thus if path ends in .libs/, step up one directory
and execute the tools from there
*/
if (((last_fn_libchar - 6) >= self_name) &&
(strncmp(last_fn_libchar - 5, ".libs", 5) == 0) &&
(*(last_fn_libchar - 6) == FN_LIBCHAR))
{
DBUG_PRINT("info", ("Chopping off \".libs\" from end of path"));
last_fn_libchar -= 6;
}
len= (int)(last_fn_libchar - self_name);
my_snprintf(tool_executable_name, FN_REFLEN, "%.*b%c%s",
len, self_name, FN_LIBCHAR, tool_name);
}
if (opt_verbose)
verbose("Looking for '%s' as: %s", tool_name, tool_executable_name);
/*
Make sure it can be executed
*/
if (run_tool(tool_executable_name,
&ds_tmp, /* Get output from command, discard*/
"--no-defaults",
"--help",
"2>&1",
IF_WIN("> NUL", "> /dev/null"),
NULL))
die("Can't execute '%s'", tool_executable_name);
dynstr_free(&ds_tmp);
DBUG_VOID_RETURN;
}
/*
Run query using "mysql"
*/
static int run_query(const char *query, DYNAMIC_STRING *ds_res,
my_bool force)
{
int ret;
File fd;
char query_file_path[FN_REFLEN];
#ifdef WITH_WSREP
/*
Strictly speaking, WITH_WSREP on the client only means that the
client was compiled with WSREP, it doesn't mean the server was,
so the server might not have WSREP_ON variable.
But mysql_upgrade is tightly bound to a specific server version
anyway - it was mysql_fix_privilege_tables_sql script embedded
into its binary - so even if it won't assume anything about server
wsrep-ness, it won't be any less server-dependent.
*/
const uchar sql_log_bin[]= "SET SQL_LOG_BIN=0, WSREP_ON=OFF;";
#else
const uchar sql_log_bin[]= "SET SQL_LOG_BIN=0;";
#endif /* WITH_WSREP */
DBUG_ENTER("run_query");
DBUG_PRINT("enter", ("query: %s", query));
if ((fd= create_temp_file(query_file_path,
opt_tmpdir[0] ? opt_tmpdir : NULL,
"sql", O_SHARE, MYF(MY_WME))) < 0)
die("Failed to create temporary file for defaults");
/*
Master and slave should be upgraded separately. All statements executed
by mysql_upgrade will not be binlogged.
'SET SQL_LOG_BIN=0' is executed before any other statements.
*/
if (!opt_write_binlog)
{
if (my_write(fd, sql_log_bin, sizeof(sql_log_bin)-1,
MYF(MY_FNABP | MY_WME)))
{
my_close(fd, MYF(MY_WME));
my_delete(query_file_path, MYF(0));
die("Failed to write to '%s'", query_file_path);
}
}
if (my_write(fd, (uchar*) query, strlen(query),
MYF(MY_FNABP | MY_WME)))
{
my_close(fd, MYF(MY_WME));
my_delete(query_file_path, MYF(0));
die("Failed to write to '%s'", query_file_path);
}
ret= run_tool(mysql_path,
ds_res,
defaults_file,
"--database=mysql",
"--batch", /* Turns off pager etc. */
force ? "--force": "--skip-force",
ds_res || opt_silent ? "--silent": "",
"<",
query_file_path,
"2>&1",
NULL);
my_close(fd, MYF(MY_WME));
my_delete(query_file_path, MYF(0));
DBUG_RETURN(ret);
}
/*
Extract the value returned from result of "show variable like ..."
*/
static int extract_variable_from_show(DYNAMIC_STRING* ds, char* value)
{
char *value_start, *value_end;
size_t len;
/*
The query returns "datadir\t<datadir>\n", skip past
the tab
*/
if ((value_start= strchr(ds->str, '\t')) == NULL)
return 1; /* Unexpected result */
value_start++;
/* Don't copy the ending newline */
if ((value_end= strchr(value_start, '\n')) == NULL)
return 1; /* Unexpected result */
len= (size_t) MY_MIN(FN_REFLEN, value_end-value_start);
strncpy(value, value_start, len);
value[len]= '\0';
return 0;
}
static int get_upgrade_info_file_name(char* name)
{
DYNAMIC_STRING ds_datadir;
DBUG_ENTER("get_upgrade_info_file_name");
if (init_dynamic_string(&ds_datadir, NULL, 32, 32))
die("Out of memory");
if (run_query("show variables like 'datadir'",
&ds_datadir, FALSE) ||
extract_variable_from_show(&ds_datadir, name))
{
print_error("Reading datadir from the MariaDB server failed. Got the "
"following error when executing the 'mysql' command line client",
&ds_datadir);
dynstr_free(&ds_datadir);
DBUG_RETURN(1); /* Query failed */
}
dynstr_free(&ds_datadir);
fn_format(name, "mysql_upgrade_info", name, "", MYF(0));
DBUG_PRINT("exit", ("name: %s", name));
DBUG_RETURN(0);
}
static char upgrade_info_file[FN_REFLEN]= {0};
/*
Open or create mysql_upgrade_info file in servers data dir.
Take a lock to ensure there cannot be any other mysql_upgrades
running concurrently
*/
const char *create_error_message=
"%sCould not open or create the upgrade info file '%s' in "
"the MariaDB Servers data directory, errno: %d (%s)\n";
static void open_mysql_upgrade_file()
{
char errbuff[80];
if (get_upgrade_info_file_name(upgrade_info_file))
{
die("Upgrade failed");
}
if ((info_file= my_create(upgrade_info_file, 0,
O_RDWR | O_NOFOLLOW,
MYF(0))) < 0)
{
if (opt_force >= 2)
{
fprintf(stdout, create_error_message,
"", upgrade_info_file, errno,
my_strerror(errbuff, sizeof(errbuff)-1, errno));
fprintf(stdout,
"--force --force used, continuing without using the %s file.\n"
"Note that this means that there is no protection against "
"concurrent mysql_upgrade executions and next mysql_upgrade run "
"will do a full upgrade again!\n",
upgrade_info_file);
return;
}
fprintf(stdout, create_error_message,
"FATAL ERROR: ",
upgrade_info_file, errno,
my_strerror(errbuff, sizeof(errbuff)-1, errno));
if (errno == EACCES)
{
fprintf(stderr,
"Note that mysql_upgrade should be run as the same user as the "
"MariaDB server binary, normally 'mysql' or 'root'.\n"
"Alternatively you can use mysql_upgrade --force --force. "
"Please check the documentation if you decide to use the force "
"option!\n");
}
fflush(stderr);
die(0);
}
if (my_lock(info_file, F_WRLCK, 0, 1, MYF(0)))
{
die("Could not exclusively lock on file '%s'. Error %d: %s\n",
upgrade_info_file, my_errno,
my_strerror(errbuff, sizeof(errbuff)-1, my_errno));
}
}
/**
Place holder for versions that require a major upgrade
@return 0 upgrade has already been run on this version
@return 1 upgrade has to be run
*/
static int faulty_server_versions(const char *version)
{
return 0;
}
/*
Read the content of mysql_upgrade_info file and
compare the version number form file against
version number which mysql_upgrade was compiled for
NOTE
This is an optimization to avoid running mysql_upgrade
when it's already been performed for the particular
version of MariaDB.
In case the MariaDBL server can't return the upgrade info
file it's always better to report that the upgrade hasn't
been performed.
@return 0 Upgrade has already been run on this version
@return > 0 Upgrade has to be run
*/
static int upgrade_already_done(int silent)
{
const char *version = MYSQL_SERVER_VERSION;
const char *s;
char *pos;
my_off_t length;
if (info_file < 0)
{
DBUG_ASSERT(opt_force > 1);
return 1; /* No info file and --force */
}
bzero(upgrade_from_version, sizeof(upgrade_from_version));
(void) my_seek(info_file, 0, SEEK_SET, MYF(0));
/* We have -3 here to make calc_server_version() safe */
length= my_read(info_file, (uchar*) upgrade_from_version,
sizeof(upgrade_from_version)-3,
MYF(MY_WME));
if (!length)
{
if (opt_verbose)
verbose("Empty or non existent %s. Assuming mysql_upgrade has to be run!",
upgrade_info_file);
return 1;
}
/* Remove possible \ŋ that may end in output */
if ((pos= strchr(upgrade_from_version, '\n')))
*pos= 0;
if (faulty_server_versions(upgrade_from_version))
{
if (opt_verbose)
verbose("Upgrading from version %s requires mysql_upgrade to be run!",
upgrade_from_version);
return 2;
}
s= strchr(version, '.');
s= strchr(s + 1, '.');
if (strncmp(upgrade_from_version, version,
(size_t)(s - version + 1)))
{
if (calc_server_version(upgrade_from_version) <= MYSQL_VERSION_ID)
{
verbose("Major version upgrade detected from %s to %s. Check required!",
upgrade_from_version, version);
return 3;
}
die("Version mismatch (%s -> %s): Trying to downgrade from a higher to "
"lower version is not supported!",
upgrade_from_version, version);
}
if (!silent)
{
verbose("This installation of MariaDB is already upgraded to %s.\n"
"There is no need to run mysql_upgrade again for %s.",
upgrade_from_version, version);
if (!opt_check_upgrade)
verbose("You can use --force if you still want to run mysql_upgrade",
upgrade_from_version, version);
}
return 0;
}
static void finish_mysql_upgrade_info_file(void)
{
if (info_file < 0)
return;
/* Write new version to file */
(void) my_seek(info_file, 0, SEEK_CUR, MYF(0));
(void) my_chsize(info_file, 0, 0, MYF(0));
(void) my_seek(info_file, 0, 0, MYF(0));
(void) my_write(info_file, (uchar*) MYSQL_SERVER_VERSION,
sizeof(MYSQL_SERVER_VERSION)-1, MYF(MY_WME));
(void) my_write(info_file, (uchar*) "\n", 1, MYF(MY_WME));
(void) my_lock(info_file, F_UNLCK, 0, 1, MYF(0));
/*
Check if the upgrade_info_file was properly created/updated
It's not a fatal error -> just print a message if it fails
*/
if (upgrade_already_done(1))
fprintf(stderr,
"Could not write to the upgrade info file '%s' in "
"the MariaDB Servers datadir, errno: %d\n",
upgrade_info_file, errno);
my_close(info_file, MYF(MY_WME));
info_file= -1;
return;
}
/*
Print connection-related arguments.
*/
static void print_conn_args(const char *tool_name)
{
if (opt_verbose < 2)
return;
if (conn_args.str[0])
verbose("Running '%s' with connection arguments: %s", tool_name,
conn_args.str);
else
verbose("Running '%s with default connection arguments", tool_name);
}
/*
Check and upgrade(if necessary) all tables
in the server using "mysqlcheck --check-upgrade .."
*/
static int run_mysqlcheck_upgrade(my_bool mysql_db_only)
{
const char *what= mysql_db_only ? "mysql database" : "tables";
const char *arg1= mysql_db_only ? "--databases" : "--all-databases";
const char *arg2= mysql_db_only ? "mysql" : "--skip-database=mysql";
int retch;
if (opt_systables_only && !mysql_db_only)
{
verbose("Phase %d/%d: Checking and upgrading %s... Skipped",
++phase, phases_total, what);
return 0;
}
verbose("Phase %d/%d: Checking and upgrading %s", ++phase, phases_total, what);
print_conn_args("mariadb-check");
retch= run_tool(mysqlcheck_path,
NULL, /* Send output from mysqlcheck directly to screen */
defaults_file,
"--check-upgrade",
"--auto-repair",
!opt_silent || opt_verbose >= 1 ? "--verbose" : "",
opt_verbose >= 2 ? "--verbose" : "",
opt_verbose >= 3 ? "--verbose" : "",
opt_silent ? "--silent": "",
opt_write_binlog ? "--write-binlog" : "--skip-write-binlog",
arg1, arg2,
"2>&1",
NULL);
return retch;
}
#define EVENTS_STRUCT_LEN 7000
static my_bool is_mysql()
{
my_bool ret= TRUE;
DYNAMIC_STRING ds_events_struct;
if (init_dynamic_string(&ds_events_struct, NULL,
EVENTS_STRUCT_LEN, EVENTS_STRUCT_LEN))
die("Out of memory");
if (run_query("show create table mysql.event",
&ds_events_struct, FALSE) ||
strstr(ds_events_struct.str, "IGNORE_BAD_TABLE_OPTIONS") != NULL)
ret= FALSE;
else
verbose("MariaDB upgrade detected");
dynstr_free(&ds_events_struct);
return(ret);
}
static int run_mysqlcheck_views(void)
{
const char *upgrade_views="--process-views=YES";
if (upgrade_from_mysql)
{
/*
this has to ignore opt_systables_only, because upgrade_from_mysql
is determined by analyzing systables. if we honor opt_systables_only
here, views won't be fixed by subsequent mysql_upgrade runs
*/
upgrade_views="--process-views=UPGRADE_FROM_MYSQL";
verbose("Phase %d/%d: Fixing views from mysql", ++phase, phases_total);
}
else if (opt_systables_only)
{
verbose("Phase %d/%d: Fixing views... Skipped", ++phase, phases_total);
return 0;
}
else
verbose("Phase %d/%d: Fixing views", ++phase, phases_total);
print_conn_args("mysqlcheck");
return run_tool(mysqlcheck_path,
NULL, /* Send output from mysqlcheck directly to screen */