Annotation of src/usr.bin/cvs/cvs.c, Revision 1.49
1.49 ! joris 1: /* $OpenBSD: cvs.c,v 1.48 2005/04/06 16:35:25 jfb Exp $ */
1.1 jfb 2: /*
3: * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
1.18 tedu 4: * All rights reserved.
1.1 jfb 5: *
1.18 tedu 6: * Redistribution and use in source and binary forms, with or without
7: * modification, are permitted provided that the following conditions
8: * are met:
1.1 jfb 9: *
1.18 tedu 10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
1.1 jfb 12: * 2. The name of the author may not be used to endorse or promote products
1.18 tedu 13: * derived from this software without specific prior written permission.
1.1 jfb 14: *
15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
1.18 tedu 24: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.1 jfb 25: */
26:
27: #include <sys/types.h>
28: #include <sys/wait.h>
29:
30: #include <err.h>
31: #include <pwd.h>
32: #include <errno.h>
33: #include <stdio.h>
1.27 jfb 34: #include <ctype.h>
1.1 jfb 35: #include <stdlib.h>
36: #include <unistd.h>
37: #include <signal.h>
38: #include <string.h>
39: #include <sysexits.h>
40:
41: #include "cvs.h"
42: #include "log.h"
1.8 jfb 43: #include "file.h"
1.44 jfb 44: #include "strtab.h"
1.1 jfb 45:
46:
47: extern char *__progname;
48:
49:
50: /* verbosity level: 0 = really quiet, 1 = quiet, 2 = verbose */
51: int verbosity = 2;
52:
53: /* compression level used with zlib, 0 meaning no compression taking place */
54: int cvs_compress = 0;
1.17 jfb 55: int cvs_readrc = 1; /* read .cvsrc on startup */
1.1 jfb 56: int cvs_trace = 0;
57: int cvs_nolog = 0;
58: int cvs_readonly = 0;
1.17 jfb 59: int cvs_nocase = 0; /* set to 1 to disable filename case sensitivity */
1.1 jfb 60:
1.17 jfb 61: char *cvs_defargs; /* default global arguments from .cvsrc */
62: char *cvs_command; /* name of the command we are running */
1.6 jfb 63: int cvs_cmdop;
1.1 jfb 64: char *cvs_rootstr;
65: char *cvs_rsh = CVS_RSH_DEFAULT;
66: char *cvs_editor = CVS_EDITOR_DEFAULT;
67:
1.13 krapht 68: char *cvs_msg = NULL;
69:
1.10 jfb 70: /* hierarchy of all the files affected by the command */
71: CVSFILE *cvs_files;
72:
73:
1.27 jfb 74: static TAILQ_HEAD(, cvs_var) cvs_variables;
75:
1.1 jfb 76: /*
77: * Command dispatch table
78: * ----------------------
79: *
80: * The synopsis field should only contain the list of arguments that the
81: * command supports, without the actual command's name.
82: *
1.29 david 83: * Command handlers are expected to return 0 if no error occurred, or one of
1.1 jfb 84: * the values known in sysexits.h in case of an error. In case the error
1.49 ! joris 85: * returned is 1, the command's usage string is printed to standard
1.1 jfb 86: * error before returning.
87: */
1.43 joris 88: struct cvs_cmd cvs_cdt[] = {
1.1 jfb 89: {
1.45 joris 90: CVS_OP_ADD, "add", { "ad", "new" }, &cvs_add,
1.37 jfb 91: "[-k opt] [-m msg] file ...",
92: "k:m:",
1.1 jfb 93: "Add a new file/directory to the repository",
1.45 joris 94: NULL
1.1 jfb 95: },
96: {
1.45 joris 97: CVS_OP_ADMIN, "admin", { "adm", "rcs" }, &cvs_admin,
1.13 krapht 98: "",
1.45 joris 99: "a:A:b::c:e::Ik:l::Lm:n:N:o:qs:t:u::U",
1.1 jfb 100: "Administration front end for rcs",
1.45 joris 101: NULL
1.1 jfb 102: },
103: {
1.45 joris 104: CVS_OP_ANNOTATE, "annotate", { "ann" }, &cvs_annotate,
1.38 jfb 105: "[-flR] [-D date | -r rev] ...",
106: "D:flRr:",
1.1 jfb 107: "Show last revision where each line was modified",
1.45 joris 108: NULL
1.1 jfb 109: },
110: {
1.45 joris 111: CVS_OP_CHECKOUT, "checkout", { "co", "get" }, &cvs_checkout,
1.39 xsa 112: "[-AcflNnPpRs] [-D date | -r rev] [-d dir] [-j rev] [-k mode] "
1.38 jfb 113: "[-t id] module ...",
114: "AcD:d:fj:k:lNnPRr:st:",
1.1 jfb 115: "Checkout sources for editing",
1.45 joris 116: NULL
1.1 jfb 117: },
118: {
1.45 joris 119: CVS_OP_COMMIT, "commit", { "ci", "com" }, &cvs_commit,
1.4 jfb 120: "[-flR] [-F logfile | -m msg] [-r rev] ...",
1.13 krapht 121: "F:flm:Rr:",
1.1 jfb 122: "Check files into the repository",
1.45 joris 123: NULL
1.1 jfb 124: },
125: {
1.45 joris 126: CVS_OP_DIFF, "diff", { "di", "dif" }, &cvs_diff,
1.34 jfb 127: "[-cilNpu] [-D date] [-r rev] ...",
128: "cD:ilNpr:u",
1.1 jfb 129: "Show differences between revisions",
1.45 joris 130: NULL
1.1 jfb 131: },
132: {
1.36 jfb 133: CVS_OP_EDIT, "edit", { }, NULL,
1.1 jfb 134: "",
1.13 krapht 135: "",
1.1 jfb 136: "Get ready to edit a watched file",
1.45 joris 137: NULL
1.1 jfb 138: },
139: {
1.36 jfb 140: CVS_OP_EDITORS, "editors", { }, NULL,
1.1 jfb 141: "",
1.13 krapht 142: "",
1.1 jfb 143: "See who is editing a watched file",
1.45 joris 144: NULL
1.1 jfb 145: },
146: {
1.36 jfb 147: CVS_OP_EXPORT, "export", { "ex", "exp" }, NULL,
1.1 jfb 148: "",
1.13 krapht 149: "",
1.1 jfb 150: "Export sources from CVS, similar to checkout",
1.45 joris 151: NULL
1.1 jfb 152: },
153: {
1.45 joris 154: CVS_OP_HISTORY, "history", { "hi", "his" }, &cvs_history,
1.13 krapht 155: "",
1.45 joris 156: "acelm:oTt:u:wx:z:",
1.1 jfb 157: "Show repository access history",
1.45 joris 158: NULL
1.1 jfb 159: },
160: {
1.45 joris 161: CVS_OP_IMPORT, "import", { "im", "imp" }, &cvs_import,
1.13 krapht 162: "[-d] [-b branch] [-I ign] [-k subst] [-m msg] "
163: "repository vendor-tag release-tags ...",
164: "b:dI:k:m:",
1.1 jfb 165: "Import sources into CVS, using vendor branches",
1.45 joris 166: NULL
1.1 jfb 167: },
168: {
1.45 joris 169: CVS_OP_INIT, "init", { }, &cvs_init,
1.1 jfb 170: "",
1.13 krapht 171: "",
1.1 jfb 172: "Create a CVS repository if it doesn't exist",
1.45 joris 173: NULL
1.1 jfb 174: },
175: #if defined(HAVE_KERBEROS)
176: {
177: "kserver", {}, NULL
178: "",
1.13 krapht 179: "",
1.1 jfb 180: "Start a Kerberos authentication CVS server",
1.45 joris 181: NULL
1.1 jfb 182: },
183: #endif
184: {
1.45 joris 185: CVS_OP_LOG, "log", { "lo" }, &cvs_getlog,
1.38 jfb 186: "[-bhlNRt] [-d dates] [-r revisions] [-s states] [-w logins]",
1.45 joris 187: "d:hlRr:",
1.1 jfb 188: "Print out history information for files",
1.45 joris 189: NULL
1.1 jfb 190: },
191: {
1.6 jfb 192: -1, "login", {}, NULL,
1.1 jfb 193: "",
1.13 krapht 194: "",
1.1 jfb 195: "Prompt for password for authenticating server",
1.45 joris 196: NULL
1.1 jfb 197: },
198: {
1.6 jfb 199: -1, "logout", {}, NULL,
1.1 jfb 200: "",
1.13 krapht 201: "",
1.1 jfb 202: "Removes entry in .cvspass for remote repository",
1.45 joris 203: NULL
1.1 jfb 204: },
205: {
1.36 jfb 206: CVS_OP_RDIFF, "rdiff", {}, NULL,
1.1 jfb 207: "",
1.13 krapht 208: "",
1.1 jfb 209: "Create 'patch' format diffs between releases",
1.45 joris 210: NULL
1.1 jfb 211: },
212: {
1.36 jfb 213: CVS_OP_RELEASE, "release", {}, NULL,
1.38 jfb 214: "[-d]",
215: "d",
1.1 jfb 216: "Indicate that a Module is no longer in use",
1.45 joris 217: NULL
1.1 jfb 218: },
219: {
1.45 joris 220: CVS_OP_REMOVE, "remove", { "rm", "delete" }, &cvs_remove,
1.28 xsa 221: "[-flR] file ...",
1.38 jfb 222: "flR",
1.1 jfb 223: "Remove an entry from the repository",
1.45 joris 224: NULL
1.1 jfb 225: },
226: {
1.36 jfb 227: CVS_OP_RLOG, "rlog", {}, NULL,
1.1 jfb 228: "",
1.13 krapht 229: "",
1.1 jfb 230: "Print out history information for a module",
1.45 joris 231: NULL
1.1 jfb 232: },
233: {
1.36 jfb 234: CVS_OP_RTAG, "rtag", {}, NULL,
1.1 jfb 235: "",
1.13 krapht 236: "",
1.1 jfb 237: "Add a symbolic tag to a module",
1.45 joris 238: NULL
1.1 jfb 239: },
240: {
1.46 joris 241: CVS_OP_SERVER, "server", {}, &cmd_server,
1.1 jfb 242: "",
1.13 krapht 243: "",
1.1 jfb 244: "Server mode",
1.45 joris 245: NULL
1.1 jfb 246: },
247: {
1.45 joris 248: CVS_OP_STATUS, "status", { "st", "stat" }, &cvs_status,
1.31 jfb 249: "[-lRv]",
1.38 jfb 250: "lRv",
1.1 jfb 251: "Display status information on checked out files",
1.45 joris 252: NULL
1.1 jfb 253: },
254: {
1.45 joris 255: CVS_OP_TAG, "tag", { "ta", "freeze" }, &cvs_tag,
1.38 jfb 256: "[-bcdFflR] [-D date | -r rev] tagname",
257: "bcD:dFflRr:",
1.1 jfb 258: "Add a symbolic tag to checked out version of files",
1.45 joris 259: NULL
1.1 jfb 260: },
261: {
1.36 jfb 262: CVS_OP_UNEDIT, "unedit", {}, NULL,
1.1 jfb 263: "",
1.13 krapht 264: "",
1.1 jfb 265: "Undo an edit command",
1.45 joris 266: NULL
1.1 jfb 267: },
268: {
1.45 joris 269: CVS_OP_UPDATE, "update", { "up", "upd" }, &cvs_update,
1.39 xsa 270: "[-ACdflPpR] [-D date | -r rev] [-I ign] [-j rev] [-k mode] "
1.38 jfb 271: "[-t id] ...",
1.45 joris 272: "ACD:dflPpQqRr:",
1.1 jfb 273: "Bring work tree in sync with repository",
1.45 joris 274: NULL
1.1 jfb 275: },
276: {
1.45 joris 277: CVS_OP_VERSION, "version", { "ve", "ver" }, &cvs_version,
1.13 krapht 278: "", "",
1.1 jfb 279: "Show current CVS version(s)",
1.45 joris 280: NULL
1.1 jfb 281: },
282: {
1.36 jfb 283: CVS_OP_WATCH, "watch", {}, NULL,
1.1 jfb 284: "",
1.13 krapht 285: "",
1.1 jfb 286: "Set watches",
1.45 joris 287: NULL
1.1 jfb 288: },
289: {
1.36 jfb 290: CVS_OP_WATCHERS, "watchers", {}, NULL,
1.1 jfb 291: "",
1.13 krapht 292: "",
1.1 jfb 293: "See who is watching a file",
1.45 joris 294: NULL
1.1 jfb 295: },
296: };
297:
298: #define CVS_NBCMD (sizeof(cvs_cdt)/sizeof(cvs_cdt[0]))
299:
300:
301:
1.48 jfb 302: void usage (void);
303: static void cvs_read_rcfile (void);
304: int cvs_getopt (int, char **);
1.1 jfb 305:
306:
307: /*
308: * usage()
309: *
310: * Display usage information.
311: */
312: void
313: usage(void)
314: {
315: fprintf(stderr,
1.27 jfb 316: "Usage: %s [-flQqtv] [-d root] [-e editor] [-s var=val] [-z level] "
317: "command [...]\n", __progname);
1.1 jfb 318: }
319:
320:
321: int
322: main(int argc, char **argv)
323: {
1.17 jfb 324: char *envstr, *cmd_argv[CVS_CMD_MAXARG], **targv;
325: int i, ret, cmd_argc;
1.1 jfb 326: struct cvs_cmd *cmdp;
327:
1.27 jfb 328: TAILQ_INIT(&cvs_variables);
329:
1.1 jfb 330: if (cvs_log_init(LD_STD, 0) < 0)
331: err(1, "failed to initialize logging");
332:
333: /* by default, be very verbose */
334: (void)cvs_log_filter(LP_FILTER_UNSET, LP_INFO);
335:
336: #ifdef DEBUG
337: (void)cvs_log_filter(LP_FILTER_UNSET, LP_DEBUG);
338: #endif
339:
1.44 jfb 340: cvs_strtab_init();
341:
1.1 jfb 342: /* check environment so command-line options override it */
343: if ((envstr = getenv("CVS_RSH")) != NULL)
344: cvs_rsh = envstr;
345:
346: if (((envstr = getenv("CVSEDITOR")) != NULL) ||
347: ((envstr = getenv("VISUAL")) != NULL) ||
348: ((envstr = getenv("EDITOR")) != NULL))
349: cvs_editor = envstr;
350:
1.17 jfb 351: ret = cvs_getopt(argc, argv);
352:
353: argc -= ret;
354: argv += ret;
355: if (argc == 0) {
356: usage();
1.49 ! joris 357: exit(1);
1.17 jfb 358: }
359: cvs_command = argv[0];
360:
361: if (cvs_readrc) {
362: cvs_read_rcfile();
363:
364: if (cvs_defargs != NULL) {
365: targv = cvs_makeargv(cvs_defargs, &i);
366: if (targv == NULL) {
367: cvs_log(LP_ERR,
368: "failed to load default arguments to %s",
369: __progname);
1.47 xsa 370: exit(1);
1.17 jfb 371: }
372:
373: cvs_getopt(i, targv);
374: cvs_freeargv(targv, i);
375: free(targv);
376: }
377: }
378:
379: /* setup signal handlers */
380: signal(SIGPIPE, SIG_IGN);
381:
1.40 jfb 382: if (cvs_file_init() < 0) {
383: cvs_log(LP_ERR, "failed to initialize file support");
384: exit(1);
385: }
1.17 jfb 386:
387: ret = -1;
388:
389: cmdp = cvs_findcmd(cvs_command);
390: if (cmdp == NULL) {
391: fprintf(stderr, "Unknown command: `%s'\n\n", cvs_command);
392: fprintf(stderr, "CVS commands are:\n");
393: for (i = 0; i < (int)CVS_NBCMD; i++)
394: fprintf(stderr, "\t%-16s%s\n",
395: cvs_cdt[i].cmd_name, cvs_cdt[i].cmd_descr);
1.49 ! joris 396: exit(1);
1.17 jfb 397: }
398:
1.45 joris 399: if (cmdp->cmd_info == NULL) {
1.17 jfb 400: cvs_log(LP_ERR, "command `%s' not implemented", cvs_command);
401: exit(1);
402: }
403:
404: cvs_cmdop = cmdp->cmd_op;
405:
406: cmd_argc = 0;
407: memset(cmd_argv, 0, sizeof(cmd_argv));
408:
409: cmd_argv[cmd_argc++] = argv[0];
410: if (cmdp->cmd_defargs != NULL) {
411: /* transform into a new argument vector */
412: ret = cvs_getargv(cmdp->cmd_defargs, cmd_argv + 1,
413: CVS_CMD_MAXARG - 1);
414: if (ret < 0) {
415: cvs_log(LP_ERRNO, "failed to generate argument vector "
416: "from default arguments");
1.47 xsa 417: exit(1);
1.17 jfb 418: }
419: cmd_argc += ret;
420: }
421: for (ret = 1; ret < argc; ret++)
422: cmd_argv[cmd_argc++] = argv[ret];
423:
1.45 joris 424: ret = cvs_startcmd(cmdp, cmd_argc, cmd_argv);
1.49 ! joris 425: if (ret == 1) {
1.17 jfb 426: fprintf(stderr, "Usage: %s %s %s\n", __progname, cvs_command,
427: cmdp->cmd_synopsis);
428: }
429:
1.45 joris 430: if (cmdp->cmd_info->cmd_cleanup != NULL)
431: cmdp->cmd_info->cmd_cleanup();
1.17 jfb 432: if (cvs_files != NULL)
433: cvs_file_free(cvs_files);
1.33 jfb 434: if (cvs_msg != NULL)
435: free(cvs_msg);
1.44 jfb 436:
437: cvs_strtab_cleanup();
1.17 jfb 438:
439: return (ret);
440: }
441:
442:
443: int
444: cvs_getopt(int argc, char **argv)
445: {
446: int ret;
447: char *ep;
448:
1.27 jfb 449: while ((ret = getopt(argc, argv, "b:d:e:fHlnQqrs:tvz:")) != -1) {
1.1 jfb 450: switch (ret) {
1.11 jfb 451: case 'b':
452: /*
453: * We do not care about the bin directory for RCS files
454: * as this program has no dependencies on RCS programs,
455: * so it is only here for backwards compatibility.
456: */
457: cvs_log(LP_NOTICE, "the -b argument is obsolete");
458: break;
1.1 jfb 459: case 'd':
460: cvs_rootstr = optarg;
461: break;
462: case 'e':
463: cvs_editor = optarg;
464: break;
465: case 'f':
1.17 jfb 466: cvs_readrc = 0;
1.1 jfb 467: break;
468: case 'l':
469: cvs_nolog = 1;
470: break;
471: case 'n':
472: break;
473: case 'Q':
474: verbosity = 0;
475: break;
476: case 'q':
477: /* don't override -Q */
478: if (verbosity > 1)
479: verbosity = 1;
480: break;
481: case 'r':
482: cvs_readonly = 1;
483: break;
1.27 jfb 484: case 's':
485: ep = strchr(optarg, '=');
486: if (ep == NULL) {
487: cvs_log(LP_ERR, "no = in variable assignment");
1.49 ! joris 488: exit(1);
1.27 jfb 489: }
490: *(ep++) = '\0';
491: if (cvs_var_set(optarg, ep) < 0)
1.49 ! joris 492: exit(1);
1.27 jfb 493: break;
1.1 jfb 494: case 't':
1.24 jfb 495: (void)cvs_log_filter(LP_FILTER_UNSET, LP_TRACE);
1.1 jfb 496: cvs_trace = 1;
497: break;
498: case 'v':
499: printf("%s\n", CVS_VERSION);
500: exit(0);
501: /* NOTREACHED */
1.11 jfb 502: break;
503: case 'x':
504: /*
505: * Kerberos encryption support, kept for compatibility
506: */
1.1 jfb 507: break;
508: case 'z':
1.18 tedu 509: cvs_compress = (int)strtol(optarg, &ep, 10);
1.1 jfb 510: if (*ep != '\0')
511: errx(1, "error parsing compression level");
512: if (cvs_compress < 0 || cvs_compress > 9)
513: errx(1, "gzip compression level must be "
514: "between 0 and 9");
515: break;
516: default:
517: usage();
1.49 ! joris 518: exit(1);
1.1 jfb 519: }
520: }
521:
1.17 jfb 522: ret = optind;
1.1 jfb 523: optind = 1;
1.17 jfb 524: optreset = 1; /* for next call */
1.12 jfb 525:
1.1 jfb 526: return (ret);
527: }
528:
529:
530: /*
531: * cvs_findcmd()
532: *
533: * Find the entry in the command dispatch table whose name or one of its
534: * aliases matches <cmd>.
535: * Returns a pointer to the command entry on success, NULL on failure.
536: */
1.48 jfb 537: struct cvs_cmd*
1.1 jfb 538: cvs_findcmd(const char *cmd)
539: {
540: u_int i, j;
541: struct cvs_cmd *cmdp;
542:
543: cmdp = NULL;
544:
545: for (i = 0; (i < CVS_NBCMD) && (cmdp == NULL); i++) {
546: if (strcmp(cmd, cvs_cdt[i].cmd_name) == 0)
547: cmdp = &cvs_cdt[i];
548: else {
549: for (j = 0; j < CVS_CMD_MAXALIAS; j++) {
550: if (strcmp(cmd, cvs_cdt[i].cmd_alias[j]) == 0) {
551: cmdp = &cvs_cdt[i];
552: break;
553: }
554: }
555: }
556: }
557:
558: return (cmdp);
559: }
560:
561:
562: /*
1.17 jfb 563: * cvs_read_rcfile()
1.1 jfb 564: *
565: * Read the CVS `.cvsrc' file in the user's home directory. If the file
566: * exists, it should contain a list of arguments that should always be given
567: * implicitly to the specified commands.
568: */
1.42 joris 569: static void
1.17 jfb 570: cvs_read_rcfile(void)
1.1 jfb 571: {
572: char rcpath[MAXPATHLEN], linebuf[128], *lp;
1.23 xsa 573: int linenum = 0;
1.17 jfb 574: size_t len;
1.1 jfb 575: struct cvs_cmd *cmdp;
576: struct passwd *pw;
577: FILE *fp;
578:
579: pw = getpwuid(getuid());
580: if (pw == NULL) {
581: cvs_log(LP_NOTICE, "failed to get user's password entry");
582: return;
583: }
584:
585: snprintf(rcpath, sizeof(rcpath), "%s/%s", pw->pw_dir, CVS_PATH_RC);
586:
587: fp = fopen(rcpath, "r");
588: if (fp == NULL) {
589: if (errno != ENOENT)
590: cvs_log(LP_NOTICE, "failed to open `%s': %s", rcpath,
591: strerror(errno));
592: return;
593: }
594:
595: while (fgets(linebuf, sizeof(linebuf), fp) != NULL) {
1.23 xsa 596: linenum++;
1.17 jfb 597: if ((len = strlen(linebuf)) == 0)
598: continue;
599: if (linebuf[len - 1] != '\n') {
1.23 xsa 600: cvs_log(LP_WARN, "line too long in `%s:%d'", rcpath,
601: linenum);
1.17 jfb 602: break;
603: }
604: linebuf[--len] = '\0';
605:
1.1 jfb 606: lp = strchr(linebuf, ' ');
607: if (lp == NULL)
1.17 jfb 608: continue; /* ignore lines with no arguments */
609: *lp = '\0';
1.1 jfb 610: if (strcmp(linebuf, "cvs") == 0) {
1.17 jfb 611: /*
612: * Global default options. In the case of cvs only,
613: * we keep the 'cvs' string as first argument because
614: * getopt() does not like starting at index 0 for
615: * argument processing.
616: */
617: *lp = ' ';
618: cvs_defargs = strdup(linebuf);
619: if (cvs_defargs == NULL)
620: cvs_log(LP_ERRNO,
621: "failed to copy global arguments");
1.15 deraadt 622: } else {
1.17 jfb 623: lp++;
1.1 jfb 624: cmdp = cvs_findcmd(linebuf);
625: if (cmdp == NULL) {
626: cvs_log(LP_NOTICE,
1.25 xsa 627: "unknown command `%s' in `%s:%d'",
628: linebuf, rcpath, linenum);
1.1 jfb 629: continue;
630: }
1.17 jfb 631:
632: cmdp->cmd_defargs = strdup(lp);
633: if (cmdp->cmd_defargs == NULL)
634: cvs_log(LP_ERRNO,
635: "failed to copy default arguments for %s",
636: cmdp->cmd_name);
1.1 jfb 637: }
638: }
639: if (ferror(fp)) {
1.23 xsa 640: cvs_log(LP_NOTICE, "failed to read line from `%s'", rcpath);
1.1 jfb 641: }
642:
643: (void)fclose(fp);
1.27 jfb 644: }
645:
646:
647: /*
648: * cvs_var_set()
649: *
650: * Set the value of the variable <var> to <val>. If there is no such variable,
651: * a new entry is created, otherwise the old value is overwritten.
652: * Returns 0 on success, or -1 on failure.
653: */
654: int
655: cvs_var_set(const char *var, const char *val)
656: {
657: char *valcp;
658: const char *cp;
659: struct cvs_var *vp;
660:
661: if ((var == NULL) || (*var == '\0')) {
662: cvs_log(LP_ERR, "no variable name");
663: return (-1);
664: }
665:
666: /* sanity check on the name */
667: for (cp = var; *cp != '\0'; cp++)
668: if (!isalnum(*cp) && (*cp != '_')) {
669: cvs_log(LP_ERR,
670: "variable name `%s' contains invalid characters",
671: var);
672: return (-1);
673: }
674:
675: TAILQ_FOREACH(vp, &cvs_variables, cv_link)
676: if (strcmp(vp->cv_name, var) == 0)
677: break;
678:
679: valcp = strdup(val);
680: if (valcp == NULL) {
681: cvs_log(LP_ERRNO, "failed to allocate variable");
682: return (-1);
683: }
684:
685: if (vp == NULL) {
686: vp = (struct cvs_var *)malloc(sizeof(*vp));
687: if (vp == NULL) {
688: cvs_log(LP_ERRNO, "failed to allocate variable");
689: free(valcp);
690: return (-1);
691: }
692: memset(vp, 0, sizeof(*vp));
693:
694: vp->cv_name = strdup(var);
695: if (vp->cv_name == NULL) {
696: cvs_log(LP_ERRNO, "failed to allocate variable");
697: free(valcp);
698: free(vp);
699: return (-1);
700: }
701:
702: TAILQ_INSERT_TAIL(&cvs_variables, vp, cv_link);
703:
704: } else /* free the previous value */
705: free(vp->cv_val);
706:
707: vp->cv_val = valcp;
708:
709: return (0);
710: }
711:
712:
713: /*
714: * cvs_var_set()
715: *
716: * Remove any entry for the variable <var>.
717: * Returns 0 on success, or -1 on failure.
718: */
719: int
720: cvs_var_unset(const char *var)
721: {
722: struct cvs_var *vp;
723:
724: TAILQ_FOREACH(vp, &cvs_variables, cv_link)
725: if (strcmp(vp->cv_name, var) == 0) {
726: TAILQ_REMOVE(&cvs_variables, vp, cv_link);
727: free(vp->cv_name);
728: free(vp->cv_val);
729: free(vp);
730: return (0);
731: }
732:
733: return (-1);
734:
735: }
736:
737:
738: /*
739: * cvs_var_get()
740: *
741: * Get the value associated with the variable <var>. Returns a pointer to the
742: * value string on success, or NULL if the variable does not exist.
743: */
744:
745: const char*
746: cvs_var_get(const char *var)
747: {
748: struct cvs_var *vp;
749:
750: TAILQ_FOREACH(vp, &cvs_variables, cv_link)
751: if (strcmp(vp->cv_name, var) == 0)
752: return (vp->cv_val);
753:
754: return (NULL);
1.1 jfb 755: }
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