forked from facebook/mysql-5.6
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathmysql_plugin.c
1249 lines (1055 loc) · 31.6 KB
/
mysql_plugin.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) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
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 Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <m_string.h>
#include <mysql.h>
#include <my_getopt.h>
#include <my_dir.h>
#include <my_global.h>
#include <stdio.h>
#include <string.h>
#define SHOW_VERSION "1.0.0"
#define PRINT_VERSION do { printf("%s Ver %s Distrib %s\n", \
my_progname, SHOW_VERSION, MYSQL_SERVER_VERSION); \
} while(0)
/* Global variables. */
static uint my_end_arg= 0;
static uint opt_verbose=0;
static uint opt_no_defaults= 0;
static uint opt_print_defaults= 0;
static char *opt_datadir=0, *opt_basedir=0,
*opt_plugin_dir=0, *opt_plugin_ini=0,
*opt_mysqld=0, *opt_my_print_defaults=0;
static char bootstrap[FN_REFLEN];
/* plugin struct */
struct st_plugin
{
const char *name; /* plugin name */
const char *so_name; /* plugin so (library) name */
const char *components[16]; /* components to load */
} plugin_data;
/* Options */
static struct my_option my_long_options[] =
{
{"help", '?', "Display this help and exit.", 0, 0, 0, GET_NO_ARG, NO_ARG,
0, 0, 0, 0, 0, 0},
{"basedir", 'b', "The basedir for the server.",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"datadir", 'd', "The datadir for the server.",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"plugin-dir", 'p', "The plugin dir for the server.",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"plugin-ini", 'i', "Read plugin information from configuration file "
"specified instead of from <plugin-dir>/<plugin_name>.ini.",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"no-defaults", 'n', "Do not read values from configuration file.",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"print-defaults", 'P', "Show default values from configuration file.",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"mysqld", 'm', "Path to mysqld executable. Example: /sbin/temp1/mysql/bin",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"my-print-defaults", 'f', "Path to my_print_defaults executable. "
"Example: /source/temp11/extra",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"verbose", 'v',
"More verbose output; you can use this multiple times to get even more "
"verbose output.",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 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},
{0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
};
/* Methods */
static int process_options(int argc, char *argv[], char *operation);
static int check_access();
static int find_tool(const char *tool_name, char *tool_path);
static int find_plugin(char *tp_path);
static int build_bootstrap_file(char *operation, char *bootstrap);
static int dump_bootstrap_file(char *bootstrap_file);
static int bootstrap_server(char *server_path, char *bootstrap_file);
int main(int argc,char *argv[])
{
int error= 0;
char tp_path[FN_REFLEN];
char server_path[FN_REFLEN];
char operation[16];
MY_INIT(argv[0]);
plugin_data.name= 0; // initialize name
/*
The following operations comprise the method for enabling or disabling
a plugin. We begin by processing the command options then check the
directories specified for --datadir, --basedir, --plugin-dir, and
--plugin-ini (if specified). If the directories are Ok, we then look
for the mysqld executable and the plugin soname. Finally, we build a
bootstrap command file for use in bootstraping the server.
If any step fails, the method issues an error message and the tool exits.
1) Parse, execute, and verify command options.
2) Check access to directories.
3) Look for mysqld executable.
4) Look for the plugin.
5) Build a bootstrap file with commands to enable or disable plugin.
*/
if ((error= process_options(argc, argv, operation)) ||
(error= check_access()) ||
(error= find_tool("mysqld" FN_EXEEXT, server_path)) ||
(error= find_plugin(tp_path)) ||
(error= build_bootstrap_file(operation, bootstrap)))
goto exit;
/* Dump the bootstrap file if --verbose specified. */
if (opt_verbose && ((error= dump_bootstrap_file(bootstrap))))
goto exit;
/* Start the server in bootstrap mode and execute bootstrap commands */
error= bootstrap_server(server_path, bootstrap);
exit:
/* Remove file */
my_delete(bootstrap, MYF(0));
if (opt_verbose && error == 0)
{
printf("# Operation succeeded.\n");
}
my_end(my_end_arg);
exit(error ? 1 : 0);
return 0; /* No compiler warnings */
}
/**
Get a temporary file name.
@param[out] filename The file name of the temporary file
@param[in] ext An extension for the file (optional)
@retval int error = 1, success = 0
*/
static int make_tempfile(char *filename, const char *ext)
{
int fd= 0;
if ((fd=create_temp_file(filename, NullS, ext, O_CREAT | O_WRONLY,
MYF(MY_WME))) < 0)
{
fprintf(stderr, "ERROR: Cannot generate temporary file. Error code: %d.\n",
fd);
return 1;
}
my_close(fd, MYF(0));
return 0;
}
/**
Get the value of an option from a string read from my_print_defaults output.
@param[in] line The line (string) read from the file
@param[in] item The option to search for (e.g. --datadir)
@returns NULL if not found, string containing value if found
*/
static char *get_value(char *line, const char *item)
{
char *destination= 0;
int item_len= (int)strlen(item);
int line_len = (int)strlen(line);
if ((strncasecmp(line, item, item_len) == 0))
{
int start= 0;
char *s= 0;
s = line + item_len + 1;
destination= my_strndup(s, line_len - start, MYF(MY_FAE));
destination[line_len - item_len - 2]= 0;
}
return destination;
}
/**
Run a command in a shell.
This function will attempt to execute the command specified by using the
popen() method to open a shell and execute the command passed and store the
output in a result file. If the --verbose option was specified, it will open
the result file and print the contents to stdout.
@param[in] cmd The command to execute.
@param[in] mode The mode for popen() (e.g. "r", "w", "rw")
@return int error code or 0 for success.
*/
static int run_command(char* cmd, const char *mode)
{
char buf[512]= {0};
FILE *res_file;
int error;
if (!(res_file= popen(cmd, mode)))
return -1;
if (opt_verbose)
{
while (fgets(buf, sizeof(buf), res_file))
{
fprintf(stdout, "%s", buf);
}
}
error= pclose(res_file);
return error;
}
#ifdef __WIN__
/**
Check to see if there are spaces in a path.
@param[in] path The Windows path to examine.
@retval int spaces found = 1, no spaces = 0
*/
static int has_spaces(const char *path)
{
if (strchr(path, ' ') != NULL)
return 1;
return 0;
}
/**
Convert a Unix path to a Windows path.
@param[in] path The Windows path to examine.
@returns string containing path with / changed to \\
*/
static char *convert_path(const char *argument)
{
/* Convert / to \\ to make Windows paths */
char *winfilename= my_strdup(argument, MYF(MY_FAE));
char *pos, *end;
int length= strlen(argument);
for (pos= winfilename, end= pos+length ; pos < end ; pos++)
{
if (*pos == '/')
{
*pos= '\\';
}
}
return winfilename;
}
/**
Add quotes if the path has spaces in it.
@param[in] path The Windows path to examine.
@returns string containing excaped quotes if spaces found in path
*/
static char *add_quotes(const char *path)
{
char windows_cmd_friendly[FN_REFLEN];
if (has_spaces(path))
snprintf(windows_cmd_friendly, sizeof(windows_cmd_friendly),
"\"%s\"", path);
else
snprintf(windows_cmd_friendly, sizeof(windows_cmd_friendly),
"%s", path);
return my_strdup(windows_cmd_friendly, MYF(MY_FAE));
}
#endif
/**
Get the default values from the my.cnf file.
This method gets the default values for the following parameters:
--datadir
--basedir
--plugin-dir
--plugin-ini
These values are used if the user has not specified a value.
@retval int error = 1, success = 0
*/
static int get_default_values()
{
char tool_path[FN_REFLEN];
char defaults_cmd[FN_REFLEN];
char defaults_file[FN_REFLEN];
char line[FN_REFLEN];
int error= 0;
int ret= 0;
FILE *file= 0;
memset(tool_path, 0, FN_REFLEN);
if ((error= find_tool("my_print_defaults" FN_EXEEXT, tool_path)))
goto exit;
else
{
if ((error= make_tempfile(defaults_file, "txt")))
goto exit;
#ifdef __WIN__
{
char *format_str= 0;
if (has_spaces(tool_path) || has_spaces(defaults_file))
format_str = "\"%s mysqld > %s\"";
else
format_str = "%s mysqld > %s";
snprintf(defaults_cmd, sizeof(defaults_cmd), format_str,
add_quotes(tool_path), add_quotes(defaults_file));
if (opt_verbose)
{
printf("# my_print_defaults found: %s\n", tool_path);
}
}
#else
snprintf(defaults_cmd, sizeof(defaults_cmd),
"%s mysqld > %s", tool_path, defaults_file);
#endif
/* Execute the command */
if (opt_verbose)
{
printf("# Command: %s\n", defaults_cmd);
}
error= run_command(defaults_cmd, "r");
if (error)
{
fprintf(stderr, "ERROR: my_print_defaults failed. Error code: %d.\n",
ret);
goto exit;
}
/* Now open the file and read the defaults we want. */
file= fopen(defaults_file, "r");
while (fgets(line, FN_REFLEN, file) != NULL)
{
char *value= 0;
if ((opt_datadir == 0) && ((value= get_value(line, "--datadir"))))
{
opt_datadir= my_strdup(value, MYF(MY_FAE));
}
if ((opt_basedir == 0) && ((value= get_value(line, "--basedir"))))
{
opt_basedir= my_strdup(value, MYF(MY_FAE));
}
if ((opt_plugin_dir == 0) && ((value= get_value(line, "--plugin_dir"))))
{
opt_plugin_dir= my_strdup(value, MYF(MY_FAE));
}
if ((opt_plugin_ini == 0) && ((value= get_value(line, "--plugin_ini"))))
{
opt_plugin_ini= my_strdup(value, MYF(MY_FAE));
}
}
}
exit:
if (file)
{
fclose(file);
/* Remove file */
my_delete(defaults_file, MYF(0));
}
return error;
}
/**
Print usage.
*/
static void usage(void)
{
PRINT_VERSION;
puts("Copyright (c) 2011, 2016, Oracle and/or its affiliates. "
"All rights reserved.\n");
puts("Enable or disable plugins.");
printf("\nUsage: %s [options] <plugin> ENABLE|DISABLE\n\nOptions:\n",
my_progname);
my_print_help(my_long_options);
puts("\n");
}
/**
Print the default values as read from the my.cnf file.
This method displays the default values for the following parameters:
--datadir
--basedir
--plugin-dir
--plugin-ini
*/
static void print_default_values(void)
{
printf("%s would have been started with the following arguments:\n",
my_progname);
get_default_values();
if (opt_datadir)
{
printf("--datadir=%s ", opt_datadir);
}
if (opt_basedir)
{
printf("--basedir=%s ", opt_basedir);
}
if (opt_plugin_dir)
{
printf("--plugin_dir=%s ", opt_plugin_dir);
}
if (opt_plugin_ini)
{
printf("--plugin_ini=%s ", opt_plugin_ini);
}
if (opt_mysqld)
{
printf("--mysqld=%s ", opt_mysqld);
}
if (opt_my_print_defaults)
{
printf("--my_print_defaults=%s ", opt_my_print_defaults);
}
printf("\n");
}
/**
Process the arguments and identify an option and store its value.
@param[in] optid The single character shortcut for the argument.
@param[in] my_option Structure of legal options.
@param[in] argument The argument value to process.
*/
static my_bool
get_one_option(int optid,
const struct my_option *opt MY_ATTRIBUTE((unused)),
char *argument)
{
switch(optid) {
case 'n':
opt_no_defaults++;
break;
case 'P':
opt_print_defaults++;
print_default_values();
break;
case 'v':
opt_verbose++;
break;
case 'V':
PRINT_VERSION;
exit(0);
break;
case '?':
case 'I': /* Info */
usage();
exit(0);
case 'd':
opt_datadir= my_strdup(argument, MYF(MY_FAE));
break;
case 'b':
opt_basedir= my_strdup(argument, MYF(MY_FAE));
break;
case 'p':
opt_plugin_dir= my_strdup(argument, MYF(MY_FAE));
break;
case 'i':
opt_plugin_ini= my_strdup(argument, MYF(MY_FAE));
break;
case 'm':
opt_mysqld= my_strdup(argument, MYF(MY_FAE));
break;
case 'f':
opt_my_print_defaults= my_strdup(argument, MYF(MY_FAE));
break;
}
return 0;
}
/**
Check to see if a file exists.
@param[in] filename File to locate.
@retval int file not found = 1, file found = 0
*/
static int file_exists(char * filename)
{
MY_STAT stat_arg;
if (!my_stat(filename, &stat_arg, MYF(0)))
{
return 0;
}
return 1;
}
/**
Search a specific path and sub directory for a file name.
@param[in] base_path Original path to use.
@param[in] tool_name Name of the tool to locate.
@param[in] subdir The sub directory to search.
@param[out] tool_path If tool found, return complete path.
@retval int error = 1, success = 0
*/
static int search_dir(const char * base_path, const char *tool_name,
const char *subdir, char *tool_path)
{
char new_path[FN_REFLEN];
char source_path[FN_REFLEN];
#if __WIN__
char win_abs_path[FN_REFLEN];
char self_name[FN_REFLEN];
const char *last_fn_libchar;
#endif
if ((strlen(base_path) + strlen(subdir) + 1) > FN_REFLEN)
{
fprintf(stderr, "WARNING: Search path is too long\n");
return 1;
}
strcpy(source_path, base_path);
strcat(source_path, subdir);
fn_format(new_path, tool_name, source_path, "", MY_UNPACK_FILENAME);
if (file_exists(new_path))
{
strcpy(tool_path, new_path);
return 0;
}
#if __WIN__
/*
On Windows above code will not be able to find the file since
path names are not absolute and file_exists works only with
absolute path names. Try to get the absolute path of current
exe and see if the file exists relative to the path of exe.
*/
if (GetModuleFileName(NULL, self_name, FN_REFLEN -1) == 0)
strncpy(self_name, my_progname, FN_REFLEN - 1);
self_name[FN_REFLEN - 1]= '\0';
last_fn_libchar= strrchr(self_name, FN_LIBCHAR);
if (NULL != last_fn_libchar)
{
strncpy(win_abs_path, self_name, last_fn_libchar - self_name + 1 );
win_abs_path[(last_fn_libchar - self_name + 1)]= 0;
strncat(win_abs_path, new_path,
sizeof(win_abs_path) - strlen(win_abs_path) - 1);
if (file_exists(win_abs_path))
{
strcpy(tool_path, win_abs_path);
return 0;
}
}
#endif
return 1;
}
/**
Search known common paths and sub directories for a file name.
@param[in] base_path Original path to use.
@param[in] tool_name Name of the tool to locate.
@param[out] tool_path If tool found, return complete path.
@retval int error = 1, success = 0
*/
static int search_paths(const char *base_path, const char *tool_name,
char *tool_path)
{
int i= 0;
static const char *paths[]= {
"", "/share/", "/scripts/", "/bin/", "/sbin/", "/libexec/",
"/mysql/", "/sql/",
};
for (i = 0 ; i < (int)array_elements(paths); i++)
{
if (!search_dir(base_path, tool_name, paths[i], tool_path))
{
return 0;
}
}
return 1;
}
/**
Read the plugin ini file.
This function attempts to read the plugin config file from the plugin_dir
path saving the data in the the st_plugin structure. If the file is not
found or the file cannot be read, an error is generated.
@retval int error = 1, success = 0
*/
static int load_plugin_data(char *plugin_name, char *config_file)
{
FILE *file_ptr;
char path[FN_REFLEN];
char line[1024];
char *reason= 0;
char *res;
int i= -1;
if (opt_plugin_ini == 0)
{
fn_format(path, config_file, opt_plugin_dir, "", MYF(0));
opt_plugin_ini= my_strdup(path, MYF(MY_FAE));
}
if (!file_exists(opt_plugin_ini))
{
reason= (char *)"File does not exist.";
goto error;
}
file_ptr= fopen(opt_plugin_ini, "r");
if (file_ptr == NULL)
{
reason= (char *)"Cannot open file.";
goto error;
}
/* save name */
plugin_data.name= my_strdup(plugin_name, MYF(MY_WME));
/* Read plugin components */
while (i < 16)
{
res= fgets(line, sizeof(line), file_ptr);
/* strip /n */
if (line[strlen(line)-1] == '\n')
{
line[strlen(line)-1]= '\0';
}
if (res == NULL)
{
if (i < 1)
{
reason= (char *)"Bad format in plugin configuration file.";
fclose(file_ptr);
goto error;
}
break;
}
if ((line[0] == '#') || (line[0] == '\n')) // skip comment and blank lines
{
continue;
}
if (i == -1) // if first pass, read this line as so_name
{
/* Add proper file extension for soname */
strcat(line, FN_SOEXT);
/* save so_name */
plugin_data.so_name= my_strdup(line, MYF(MY_WME|MY_ZEROFILL));
i++;
}
else
{
if (strlen(line) > 0)
{
plugin_data.components[i]= my_strdup(line, MYF(MY_WME));
i++;
}
else
{
plugin_data.components[i]= NULL;
}
}
}
fclose(file_ptr);
return 0;
error:
fprintf(stderr, "ERROR: Cannot read plugin config file %s. %s\n",
plugin_name, reason);
return 1;
}
/**
Check the options for validity.
This function checks the arguments for validity issuing the appropriate
error message if arguments are missing or invalid. On success, @operation
is set to either "ENABLE" or "DISABLE".
@param[in] argc The number of arguments.
@param[in] argv The arguments.
@param[out] operation The operation chosen (enable|disable)
@retval int error = 1, success = 0
*/
static int check_options(int argc, char **argv, char *operation)
{
int i= 0; // loop counter
int num_found= 0; // number of options found (shortcut loop)
char config_file[FN_REFLEN]; // configuration file name
char plugin_name[FN_REFLEN]; // plugin name
/* Form prefix strings for the options. */
const char *basedir_prefix = "--basedir=";
int basedir_len= strlen(basedir_prefix);
const char *datadir_prefix = "--datadir=";
int datadir_len= strlen(datadir_prefix);
const char *plugin_dir_prefix = "--plugin_dir=";
int plugin_dir_len= strlen(plugin_dir_prefix);
strcpy(plugin_name, "");
for (i = 0; i < argc && num_found < 5; i++)
{
if (!argv[i])
{
continue;
}
if ((strcasecmp(argv[i], "ENABLE") == 0) ||
(strcasecmp(argv[i], "DISABLE") == 0))
{
strcpy(operation, argv[i]);
num_found++;
}
else if ((strncasecmp(argv[i], basedir_prefix, basedir_len) == 0) &&
!opt_basedir)
{
opt_basedir= my_strndup(argv[i]+basedir_len,
strlen(argv[i])-basedir_len, MYF(MY_FAE));
num_found++;
}
else if ((strncasecmp(argv[i], datadir_prefix, datadir_len) == 0) &&
!opt_datadir)
{
opt_datadir= my_strndup(argv[i]+datadir_len,
strlen(argv[i])-datadir_len, MYF(MY_FAE));
num_found++;
}
else if ((strncasecmp(argv[i], plugin_dir_prefix, plugin_dir_len) == 0) &&
!opt_plugin_dir)
{
opt_plugin_dir= my_strndup(argv[i]+plugin_dir_len,
strlen(argv[i])-plugin_dir_len, MYF(MY_FAE));
num_found++;
}
/* read the plugin config file and check for match against argument */
else
{
if (strlen(argv[i]) + 4 + 1 > FN_REFLEN)
{
fprintf(stderr, "ERROR: argument is too long.\n");
return 1;
}
strcpy(plugin_name, argv[i]);
strcpy(config_file, argv[i]);
strcat(config_file, ".ini");
}
}
if (!opt_basedir)
{
fprintf(stderr, "ERROR: Missing --basedir option.\n");
return 1;
}
if (!opt_datadir)
{
fprintf(stderr, "ERROR: Missing --datadir option.\n");
return 1;
}
if (!opt_plugin_dir)
{
fprintf(stderr, "ERROR: Missing --plugin_dir option.\n");
return 1;
}
/* If a plugin was specified, read the config file. */
else if (strlen(plugin_name) > 0)
{
if (load_plugin_data(plugin_name, config_file))
{
return 1;
}
if (strcasecmp(plugin_data.name, plugin_name) != 0)
{
fprintf(stderr, "ERROR: plugin name requested does not match config "
"file data.\n");
return 1;
}
}
else
{
fprintf(stderr, "ERROR: No plugin specified.\n");
return 1;
}
if ((strlen(operation) == 0))
{
fprintf(stderr, "ERROR: missing operation. Please specify either "
"'<plugin> ENABLE' or '<plugin> DISABLE'.\n");
return 1;
}
return 0;
}
/**
Parse, execute, and verify command options.
This method handles all of the option processing including the optional
features for displaying data (--print-defaults, --help ,etc.) that do not
result in an attempt to ENABLE or DISABLE of a plugin.
@param[in] arc Count of arguments
@param[in] argv Array of arguments
@param[out] operation Operation (ENABLE or DISABLE)
@retval int error = 1, success = 0, exit program = -1
*/
static int process_options(int argc, char *argv[], char *operation)
{
int error= 0;
int i= 0;
/* Parse and execute command-line options */
if ((error= handle_options(&argc, &argv, my_long_options, get_one_option)))
goto exit;
/* If the print defaults option used, exit. */
if (opt_print_defaults)
{
error= -1;
goto exit;
}
/* Add a trailing directory separator if not present */
if (opt_basedir)
{
i= (int)strlength(opt_basedir);
if (opt_basedir[i-1] != FN_LIBCHAR || opt_basedir[i-1] != FN_LIBCHAR2)
{
char buff[FN_REFLEN];
memset(buff, 0, sizeof(buff));
strncpy(buff, opt_basedir, sizeof(buff) - 1);
#ifdef __WIN__
strncat(buff, "/", sizeof(buff) - strlen(buff) - 1);
#else
strncat(buff, FN_DIRSEP, sizeof(buff) - strlen(buff) - 1);
#endif
buff[sizeof(buff) - 1]= 0;
my_free(opt_basedir);
opt_basedir= my_strdup(buff, MYF(MY_FAE));
}
}
/*
If the user did not specify the option to skip loading defaults from a
config file and the required options are not present or there was an error
generated when the defaults were read from the file, exit.
*/
if (!opt_no_defaults && ((error= get_default_values())))
{
error= -1;
goto exit;
}
/*
Check to ensure required options are present and validate the operation.
Note: this method also validates the plugin specified by attempting to
read a configuration file named <plugin_name>.ini from the --plugin-dir
or --plugin-ini location if the --plugin-ini option presented.
*/
strcpy(operation, "");
if ((error = check_options(argc, argv, operation)))
{
goto exit;
}
if (opt_verbose)
{
printf("# basedir = %s\n", opt_basedir);
printf("# plugin_dir = %s\n", opt_plugin_dir);
printf("# datadir = %s\n", opt_datadir);
printf("# plugin_ini = %s\n", opt_plugin_ini);
}
exit:
return error;
}
/**
Check access
This method checks to ensure all of the directories (opt_basedir,
opt_plugin_dir, opt_datadir, and opt_plugin_ini) are accessible by
the user.
@retval int error = 1, success = 0
*/
static int check_access()
{
int error= 0;
if ((error= my_access(opt_basedir, F_OK)))
{
fprintf(stderr, "ERROR: Cannot access basedir at '%s'.\n",
opt_basedir);
goto exit;
}
if ((error= my_access(opt_plugin_dir, F_OK)))
{
fprintf(stderr, "ERROR: Cannot access plugin_dir at '%s'.\n",
opt_plugin_dir);
goto exit;
}
if ((error= my_access(opt_datadir, F_OK)))
{
fprintf(stderr, "ERROR: Cannot access datadir at '%s'.\n",
opt_datadir);
goto exit;
}
if (opt_plugin_ini && (error= my_access(opt_plugin_ini, F_OK)))
{
fprintf(stderr, "ERROR: Cannot access plugin config file at '%s'.\n",
opt_plugin_ini);
goto exit;
}
if (opt_mysqld && (error= my_access(opt_mysqld, F_OK)))
{
fprintf(stderr, "ERROR: Cannot access mysqld path '%s'.\n",
opt_mysqld);
goto exit;
}
if (opt_my_print_defaults && (error= my_access(opt_my_print_defaults, F_OK)))
{
fprintf(stderr, "ERROR: Cannot access my-print-defaults path '%s'.\n",
opt_my_print_defaults);
goto exit;
}
exit:
return error;
}
/**
Locate the tool and form tool path.