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Annotation of src/usr.bin/cvs/util.c, Revision 1.117

1.117   ! tobias      1: /*     $OpenBSD: util.c,v 1.116 2007/09/09 20:24:06 tobias Exp $       */
1.1       jfb         2: /*
                      3:  * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
1.71      xsa         4:  * Copyright (c) 2005, 2006 Joris Vink <joris@openbsd.org>
                      5:  * Copyright (c) 2005, 2006 Xavier Santolaria <xsa@openbsd.org>
1.9       jfb         6:  * All rights reserved.
1.1       jfb         7:  *
1.9       jfb         8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
1.1       jfb        11:  *
1.9       jfb        12:  * 1. Redistributions of source code must retain the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer.
1.1       jfb        14:  * 2. The name of the author may not be used to endorse or promote products
1.9       jfb        15:  *    derived from this software without specific prior written permission.
1.1       jfb        16:  *
                     17:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
                     18:  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
                     19:  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
                     20:  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
                     21:  * EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO,
                     22:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
                     23:  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
                     24:  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
                     25:  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
1.9       jfb        26:  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.1       jfb        27:  */
                     28:
1.107     otto       29: #include <sys/stat.h>
                     30: #include <sys/wait.h>
                     31:
                     32: #include <errno.h>
                     33: #include <md5.h>
                     34: #include <stdlib.h>
                     35: #include <string.h>
                     36: #include <unistd.h>
1.1       jfb        37:
                     38: #include "cvs.h"
1.112     joris      39: #include "remote.h"
1.1       jfb        40:
1.116     tobias     41: extern int print_stdout;
                     42:
1.1       jfb        43: /* letter -> mode type map */
                     44: static const int cvs_modetypes[26] = {
                     45:        -1, -1, -1, -1, -1, -1,  1, -1, -1, -1, -1, -1, -1,
                     46:        -1,  2, -1, -1, -1, -1, -1,  0, -1, -1, -1, -1, -1,
                     47: };
                     48:
                     49: /* letter -> mode map */
                     50: static const mode_t cvs_modes[3][26] = {
                     51:        {
                     52:                0,  0,       0,       0,       0,  0,  0,    /* a - g */
                     53:                0,  0,       0,       0,       0,  0,  0,    /* h - m */
                     54:                0,  0,       0,       S_IRUSR, 0,  0,  0,    /* n - u */
                     55:                0,  S_IWUSR, S_IXUSR, 0,       0             /* v - z */
                     56:        },
                     57:        {
                     58:                0,  0,       0,       0,       0,  0,  0,    /* a - g */
                     59:                0,  0,       0,       0,       0,  0,  0,    /* h - m */
                     60:                0,  0,       0,       S_IRGRP, 0,  0,  0,    /* n - u */
                     61:                0,  S_IWGRP, S_IXGRP, 0,       0             /* v - z */
                     62:        },
                     63:        {
                     64:                0,  0,       0,       0,       0,  0,  0,    /* a - g */
                     65:                0,  0,       0,       0,       0,  0,  0,    /* h - m */
                     66:                0,  0,       0,       S_IROTH, 0,  0,  0,    /* n - u */
                     67:                0,  S_IWOTH, S_IXOTH, 0,       0             /* v - z */
                     68:        }
                     69: };
                     70:
                     71:
                     72: /* octal -> string */
                     73: static const char *cvs_modestr[8] = {
                     74:        "", "x", "w", "wx", "r", "rx", "rw", "rwx"
                     75: };
                     76:
1.9       jfb        77: /*
1.1       jfb        78:  * cvs_strtomode()
                     79:  *
                     80:  * Read the contents of the string <str> and generate a permission mode from
                     81:  * the contents of <str>, which is assumed to have the mode format of CVS.
                     82:  * The CVS protocol specification states that any modes or mode types that are
                     83:  * not recognized should be silently ignored.  This function does not return
                     84:  * an error in such cases, but will issue warnings.
                     85:  */
1.64      joris      86: void
1.1       jfb        87: cvs_strtomode(const char *str, mode_t *mode)
                     88: {
1.2       jfb        89:        char type;
1.64      joris      90:        size_t l;
1.1       jfb        91:        mode_t m;
                     92:        char buf[32], ms[4], *sp, *ep;
                     93:
                     94:        m = 0;
1.64      joris      95:        l = strlcpy(buf, str, sizeof(buf));
                     96:        if (l >= sizeof(buf))
                     97:                fatal("cvs_strtomode: string truncation");
                     98:
1.1       jfb        99:        sp = buf;
                    100:        ep = sp;
                    101:
                    102:        for (sp = buf; ep != NULL; sp = ep + 1) {
                    103:                ep = strchr(sp, ',');
                    104:                if (ep != NULL)
1.2       jfb       105:                        *ep = '\0';
1.1       jfb       106:
1.14      weingart  107:                memset(ms, 0, sizeof ms);
                    108:                if (sscanf(sp, "%c=%3s", &type, ms) != 2 &&
                    109:                        sscanf(sp, "%c=", &type) != 1) {
1.89      joris     110:                        fatal("failed to scan mode string `%s'", sp);
1.1       jfb       111:                }
                    112:
1.78      deraadt   113:                if (type <= 'a' || type >= 'z' ||
                    114:                    cvs_modetypes[type - 'a'] == -1) {
1.79      joris     115:                        cvs_log(LP_ERR,
1.1       jfb       116:                            "invalid mode type `%c'"
                    117:                            " (`u', `g' or `o' expected), ignoring", type);
                    118:                        continue;
                    119:                }
                    120:
                    121:                /* make type contain the actual mode index */
                    122:                type = cvs_modetypes[type - 'a'];
                    123:
                    124:                for (sp = ms; *sp != '\0'; sp++) {
1.78      deraadt   125:                        if (*sp <= 'a' || *sp >= 'z' ||
                    126:                            cvs_modes[(int)type][*sp - 'a'] == 0) {
1.89      joris     127:                                fatal("invalid permission bit `%c'", *sp);
1.15      deraadt   128:                        } else
1.5       jfb       129:                                m |= cvs_modes[(int)type][*sp - 'a'];
1.1       jfb       130:                }
                    131:        }
                    132:
                    133:        *mode = m;
                    134: }
                    135:
                    136: /*
                    137:  * cvs_modetostr()
                    138:  *
1.30      jfb       139:  * Generate a CVS-format string to represent the permissions mask on a file
                    140:  * from the mode <mode> and store the result in <buf>, which can accept up to
                    141:  * <len> bytes (including the terminating NUL byte).  The result is guaranteed
                    142:  * to be NUL-terminated.
1.1       jfb       143:  */
1.65      joris     144: void
1.1       jfb       145: cvs_modetostr(mode_t mode, char *buf, size_t len)
                    146: {
                    147:        char tmp[16], *bp;
                    148:        mode_t um, gm, om;
                    149:
                    150:        um = (mode & S_IRWXU) >> 6;
                    151:        gm = (mode & S_IRWXG) >> 3;
                    152:        om = mode & S_IRWXO;
                    153:
                    154:        bp = buf;
                    155:        *bp = '\0';
                    156:
                    157:        if (um) {
1.68      xsa       158:                if (strlcpy(tmp, "u=", sizeof(tmp)) >= sizeof(tmp) ||
                    159:                    strlcat(tmp, cvs_modestr[um], sizeof(tmp)) >= sizeof(tmp))
1.65      joris     160:                        fatal("cvs_modetostr: overflow for user mode");
                    161:
1.68      xsa       162:                if (strlcat(buf, tmp, len) >= len)
1.65      joris     163:                        fatal("cvs_modetostr: string truncation");
1.1       jfb       164:        }
1.65      joris     165:
1.1       jfb       166:        if (gm) {
1.65      joris     167:                if (um) {
1.68      xsa       168:                        if (strlcat(buf, ",", len) >= len)
1.65      joris     169:                                fatal("cvs_modetostr: string truncation");
                    170:                }
                    171:
1.68      xsa       172:                if (strlcpy(tmp, "g=", sizeof(tmp)) >= sizeof(tmp) ||
                    173:                    strlcat(tmp, cvs_modestr[gm], sizeof(tmp)) >= sizeof(tmp))
1.65      joris     174:                        fatal("cvs_modetostr: overflow for group mode");
                    175:
1.68      xsa       176:                if (strlcat(buf, tmp, len) >= len)
1.65      joris     177:                        fatal("cvs_modetostr: string truncation");
1.1       jfb       178:        }
1.65      joris     179:
1.1       jfb       180:        if (om) {
1.65      joris     181:                if (um || gm) {
1.68      xsa       182:                        if (strlcat(buf, ",", len) >= len)
1.65      joris     183:                                fatal("cvs_modetostr: string truncation");
                    184:                }
                    185:
1.68      xsa       186:                if (strlcpy(tmp, "o=", sizeof(tmp)) >= sizeof(tmp) ||
                    187:                    strlcat(tmp, cvs_modestr[gm], sizeof(tmp)) >= sizeof(tmp))
1.65      joris     188:                        fatal("cvs_modetostr: overflow for others mode");
                    189:
1.68      xsa       190:                if (strlcat(buf, tmp, len) >= len)
1.65      joris     191:                        fatal("cvs_modetostr: string truncation");
1.1       jfb       192:        }
                    193: }
                    194:
                    195: /*
                    196:  * cvs_cksum()
                    197:  *
                    198:  * Calculate the MD5 checksum of the file whose path is <file> and generate
                    199:  * a CVS-format 32 hex-digit string, which is stored in <dst>, whose size is
                    200:  * given in <len> and must be at least 33.
                    201:  * Returns 0 on success, or -1 on failure.
                    202:  */
                    203: int
                    204: cvs_cksum(const char *file, char *dst, size_t len)
                    205: {
                    206:        if (len < CVS_CKSUM_LEN) {
1.79      joris     207:                cvs_log(LP_ERR, "buffer too small for checksum");
1.1       jfb       208:                return (-1);
                    209:        }
                    210:        if (MD5File(file, dst) == NULL) {
1.79      joris     211:                cvs_log(LP_ERR, "failed to generate checksum for %s", file);
1.1       jfb       212:                return (-1);
                    213:        }
                    214:
                    215:        return (0);
                    216: }
                    217:
                    218: /*
                    219:  * cvs_getargv()
                    220:  *
                    221:  * Parse a line contained in <line> and generate an argument vector by
                    222:  * splitting the line on spaces and tabs.  The resulting vector is stored in
                    223:  * <argv>, which can accept up to <argvlen> entries.
1.20      david     224:  * Returns the number of arguments in the vector, or -1 if an error occurred.
1.1       jfb       225:  */
                    226: int
                    227: cvs_getargv(const char *line, char **argv, int argvlen)
                    228: {
                    229:        u_int i;
1.67      xsa       230:        int argc, error;
1.117   ! tobias    231:        char qbuf[128], *linebuf, *lp, *cp, *arg;
1.1       jfb       232:
1.117   ! tobias    233:        linebuf = xstrdup(line);
1.65      joris     234:
1.27      pat       235:        memset(argv, 0, argvlen * sizeof(char *));
1.1       jfb       236:        argc = 0;
                    237:
                    238:        /* build the argument vector */
1.67      xsa       239:        error = 0;
1.1       jfb       240:        for (lp = linebuf; lp != NULL;) {
                    241:                if (*lp == '"') {
                    242:                        /* double-quoted string */
                    243:                        lp++;
                    244:                        i = 0;
                    245:                        memset(qbuf, 0, sizeof(qbuf));
                    246:                        while (*lp != '"') {
1.16      jfb       247:                                if (*lp == '\\')
                    248:                                        lp++;
1.1       jfb       249:                                if (*lp == '\0') {
                    250:                                        cvs_log(LP_ERR, "no terminating quote");
1.67      xsa       251:                                        error++;
1.1       jfb       252:                                        break;
1.16      jfb       253:                                }
1.1       jfb       254:
1.9       jfb       255:                                qbuf[i++] = *lp++;
1.110     ray       256:                                if (i == sizeof(qbuf) - 1) {
1.67      xsa       257:                                        error++;
1.1       jfb       258:                                        break;
                    259:                                }
                    260:                        }
1.114     tobias    261:                        if (error)
                    262:                                break;
                    263:                        lp++;
1.1       jfb       264:
                    265:                        arg = qbuf;
1.15      deraadt   266:                } else {
1.1       jfb       267:                        cp = strsep(&lp, " \t");
                    268:                        if (cp == NULL)
                    269:                                break;
                    270:                        else if (*cp == '\0')
                    271:                                continue;
                    272:
                    273:                        arg = cp;
                    274:                }
                    275:
1.16      jfb       276:                if (argc == argvlen) {
1.67      xsa       277:                        error++;
1.16      jfb       278:                        break;
                    279:                }
                    280:
1.59      joris     281:                argv[argc] = xstrdup(arg);
1.1       jfb       282:                argc++;
                    283:        }
                    284:
1.67      xsa       285:        if (error != 0) {
1.1       jfb       286:                /* ditch the argument vector */
                    287:                for (i = 0; i < (u_int)argc; i++)
1.59      joris     288:                        xfree(argv[i]);
1.1       jfb       289:                argc = -1;
                    290:        }
                    291:
1.117   ! tobias    292:        xfree(linebuf);
1.1       jfb       293:        return (argc);
1.17      jfb       294: }
                    295:
                    296: /*
                    297:  * cvs_makeargv()
                    298:  *
1.20      david     299:  * Allocate an argument vector large enough to accommodate for all the
1.17      jfb       300:  * arguments found in <line> and return it.
                    301:  */
1.42      xsa       302: char **
1.17      jfb       303: cvs_makeargv(const char *line, int *argc)
                    304: {
                    305:        int i, ret;
                    306:        char *argv[1024], **copy;
                    307:
                    308:        ret = cvs_getargv(line, argv, 1024);
                    309:        if (ret == -1)
                    310:                return (NULL);
                    311:
1.77      ray       312:        copy = xcalloc(ret + 1, sizeof(char *));
1.17      jfb       313:
                    314:        for (i = 0; i < ret; i++)
                    315:                copy[i] = argv[i];
                    316:        copy[ret] = NULL;
                    317:
                    318:        *argc = ret;
                    319:        return (copy);
1.1       jfb       320: }
                    321:
                    322: /*
                    323:  * cvs_freeargv()
                    324:  *
                    325:  * Free an argument vector previously generated by cvs_getargv().
                    326:  */
                    327: void
                    328: cvs_freeargv(char **argv, int argc)
                    329: {
                    330:        int i;
                    331:
                    332:        for (i = 0; i < argc; i++)
1.16      jfb       333:                if (argv[i] != NULL)
1.59      joris     334:                        xfree(argv[i]);
1.38      xsa       335: }
                    336:
                    337: /*
                    338:  * cvs_chdir()
                    339:  *
1.63      xsa       340:  * Change to directory <path>.
                    341:  * If <rm> is equal to `1', <path> is removed if chdir() fails so we
                    342:  * do not have temporary directories leftovers.
1.60      xsa       343:  * Returns 0 on success.
1.50      xsa       344:  */
1.38      xsa       345: int
1.63      xsa       346: cvs_chdir(const char *path, int rm)
1.38      xsa       347: {
1.63      xsa       348:        if (chdir(path) == -1) {
                    349:                if (rm == 1)
                    350:                        cvs_unlink(path);
1.60      xsa       351:                fatal("cvs_chdir: `%s': %s", path, strerror(errno));
1.63      xsa       352:        }
1.49      xsa       353:
                    354:        return (0);
                    355: }
                    356:
                    357: /*
                    358:  * cvs_rename()
                    359:  * Change the name of a file.
                    360:  * rename() wrapper with an error message.
1.60      xsa       361:  * Returns 0 on success.
1.49      xsa       362:  */
                    363: int
                    364: cvs_rename(const char *from, const char *to)
                    365: {
1.90      joris     366:        if (cvs_server_active == 0)
                    367:                cvs_log(LP_TRACE, "cvs_rename(%s,%s)", from, to);
1.49      xsa       368:
                    369:        if (cvs_noexec == 1)
                    370:                return (0);
                    371:
1.60      xsa       372:        if (rename(from, to) == -1)
                    373:                fatal("cvs_rename: `%s'->`%s': %s", from, to, strerror(errno));
1.40      xsa       374:
                    375:        return (0);
                    376: }
                    377:
                    378: /*
                    379:  * cvs_unlink()
                    380:  *
                    381:  * Removes the link named by <path>.
                    382:  * unlink() wrapper with an error message.
                    383:  * Returns 0 on success, or -1 on failure.
                    384:  */
                    385: int
                    386: cvs_unlink(const char *path)
                    387: {
1.90      joris     388:        if (cvs_server_active == 0)
                    389:                cvs_log(LP_TRACE, "cvs_unlink(%s)", path);
1.40      xsa       390:
                    391:        if (cvs_noexec == 1)
                    392:                return (0);
                    393:
1.78      deraadt   394:        if (unlink(path) == -1 && errno != ENOENT) {
1.94      xsa       395:                cvs_log(LP_ERRNO, "%s", path);
1.38      xsa       396:                return (-1);
                    397:        }
                    398:
                    399:        return (0);
1.1       jfb       400: }
1.24      joris     401:
                    402: /*
1.45      xsa       403:  * cvs_rmdir()
1.30      jfb       404:  *
                    405:  * Remove a directory tree from disk.
                    406:  * Returns 0 on success, or -1 on failure.
1.24      joris     407:  */
                    408: int
1.45      xsa       409: cvs_rmdir(const char *path)
1.24      joris     410: {
1.99      todd      411:        int type, ret = -1;
1.24      joris     412:        DIR *dirp;
                    413:        struct dirent *ent;
1.99      todd      414:        struct stat st;
1.24      joris     415:        char fpath[MAXPATHLEN];
1.46      xsa       416:
1.90      joris     417:        if (cvs_server_active == 0)
                    418:                cvs_log(LP_TRACE, "cvs_rmdir(%s)", path);
1.46      xsa       419:
                    420:        if (cvs_noexec == 1)
                    421:                return (0);
1.24      joris     422:
                    423:        if ((dirp = opendir(path)) == NULL) {
1.79      joris     424:                cvs_log(LP_ERR, "failed to open '%s'", path);
1.30      jfb       425:                return (-1);
1.24      joris     426:        }
                    427:
                    428:        while ((ent = readdir(dirp)) != NULL) {
                    429:                if (!strcmp(ent->d_name, ".") ||
                    430:                    !strcmp(ent->d_name, ".."))
                    431:                        continue;
                    432:
1.105     xsa       433:                (void)xsnprintf(fpath, sizeof(fpath), "%s/%s",
                    434:                    path, ent->d_name);
1.24      joris     435:
1.99      todd      436:                if (ent->d_type == DT_UNKNOWN) {
1.104     todd      437:                        if (lstat(fpath, &st) == -1)
1.99      todd      438:                                fatal("'%s': %s", fpath, strerror(errno));
                    439:
                    440:                        switch (st.st_mode & S_IFMT) {
                    441:                        case S_IFDIR:
                    442:                                type = CVS_DIR;
                    443:                                break;
                    444:                        case S_IFREG:
                    445:                                type = CVS_FILE;
                    446:                                break;
                    447:                        default:
                    448:                                fatal("'%s': Unknown file type in copy",
                    449:                                    fpath);
                    450:                        }
                    451:                } else {
                    452:                        switch (ent->d_type) {
                    453:                        case DT_DIR:
                    454:                                type = CVS_DIR;
                    455:                                break;
                    456:                        case DT_REG:
                    457:                                type = CVS_FILE;
                    458:                                break;
                    459:                        default:
                    460:                                fatal("'%s': Unknown file type in copy",
                    461:                                    fpath);
                    462:                        }
                    463:                }
                    464:                switch (type) {
                    465:                case CVS_DIR:
1.45      xsa       466:                        if (cvs_rmdir(fpath) == -1)
1.33      pat       467:                                goto done;
1.99      todd      468:                        break;
                    469:                case CVS_FILE:
                    470:                        if (cvs_unlink(fpath) == -1 && errno != ENOENT)
                    471:                                goto done;
                    472:                        break;
                    473:                default:
                    474:                        fatal("type %d unknown, shouldn't happen", type);
                    475:                }
1.24      joris     476:        }
                    477:
                    478:
1.78      deraadt   479:        if (rmdir(path) == -1 && errno != ENOENT) {
1.93      xsa       480:                cvs_log(LP_ERRNO, "%s", path);
1.33      pat       481:                goto done;
1.30      jfb       482:        }
1.24      joris     483:
1.33      pat       484:        ret = 0;
                    485: done:
                    486:        closedir(dirp);
1.34      joris     487:        return (ret);
                    488: }
                    489:
1.51      xsa       490: void
1.81      joris     491: cvs_get_repository_path(const char *dir, char *dst, size_t len)
                    492: {
                    493:        char buf[MAXPATHLEN];
                    494:
                    495:        cvs_get_repository_name(dir, buf, sizeof(buf));
1.105     xsa       496:        (void)xsnprintf(dst, len, "%s/%s", current_cvsroot->cr_dir, buf);
1.81      joris     497: }
                    498:
                    499: void
                    500: cvs_get_repository_name(const char *dir, char *dst, size_t len)
1.51      xsa       501: {
                    502:        FILE *fp;
1.81      joris     503:        char *s, fpath[MAXPATHLEN];
1.116     tobias    504:
                    505:        /* During checkout -p, do not use any locally available files. */
                    506:        if (cvs_cmdop == CVS_OP_CHECKOUT && print_stdout) {
                    507:                dst[0] = '\0';
                    508:                if (strlcat(dst, dir, len) >= len)
                    509:                        fatal("cvs_get_repository_name: truncation");
                    510:                return;
                    511:        }
1.79      joris     512:
1.105     xsa       513:        (void)xsnprintf(fpath, sizeof(fpath), "%s/%s",
                    514:            dir, CVS_PATH_REPOSITORY);
1.79      joris     515:
                    516:        if ((fp = fopen(fpath, "r")) != NULL) {
1.101     thib      517:                if ((fgets(dst, len, fp)) == NULL)
                    518:                        fatal("cvs_get_repository_name: bad repository file");
1.51      xsa       519:
1.81      joris     520:                if ((s = strchr(dst, '\n')) != NULL)
1.79      joris     521:                        *s = '\0';
1.51      xsa       522:
                    523:                (void)fclose(fp);
1.81      joris     524:        } else {
1.84      joris     525:                dst[0] = '\0';
                    526:
                    527:                if (cvs_cmdop == CVS_OP_IMPORT) {
                    528:                        if (strlcpy(dst, import_repository, len) >= len)
1.85      joris     529:                                fatal("cvs_get_repository_name: truncation");
1.84      joris     530:                        if (strlcat(dst, "/", len) >= len)
1.85      joris     531:                                fatal("cvs_get_repository_name: truncation");
                    532:
                    533:                        if (strcmp(dir, ".")) {
                    534:                                if (strlcat(dst, dir, len) >= len) {
                    535:                                        fatal("cvs_get_repository_name: "
                    536:                                            "truncation");
                    537:                                }
                    538:                        }
                    539:                } else {
1.98      joris     540:                        if (cvs_cmdop != CVS_OP_CHECKOUT) {
                    541:                                if (strlcat(dst, dir, len) >= len)
                    542:                                        fatal("cvs_get_repository_name: "
                    543:                                            "truncation");
                    544:                        }
1.84      joris     545:                }
1.51      xsa       546:        }
                    547: }
                    548:
                    549: void
1.87      xsa       550: cvs_mkadmin(const char *path, const char *root, const char *repo,
                    551:     char *tag, char *date, int nb)
1.51      xsa       552: {
                    553:        FILE *fp;
1.79      joris     554:        struct stat st;
                    555:        char buf[MAXPATHLEN];
1.51      xsa       556:
1.90      joris     557:        if (cvs_server_active == 0)
                    558:                cvs_log(LP_TRACE, "cvs_mkadmin(%s, %s, %s, %s, %s, %d)",
                    559:                    path, root, repo, (tag != NULL) ? tag : "",
                    560:                    (date != NULL) ? date : "", nb);
1.51      xsa       561:
1.105     xsa       562:        (void)xsnprintf(buf, sizeof(buf), "%s/%s", path, CVS_PATH_CVSDIR);
1.51      xsa       563:
1.79      joris     564:        if (stat(buf, &st) != -1)
                    565:                return;
1.51      xsa       566:
1.79      joris     567:        if (mkdir(buf, 0755) == -1 && errno != EEXIST)
                    568:                fatal("cvs_mkadmin: %s: %s", buf, strerror(errno));
                    569:
1.105     xsa       570:        (void)xsnprintf(buf, sizeof(buf), "%s/%s", path, CVS_PATH_ROOTSPEC);
1.79      joris     571:
                    572:        if ((fp = fopen(buf, "w")) == NULL)
                    573:                fatal("cvs_mkadmin: %s: %s", buf, strerror(errno));
                    574:
                    575:        fprintf(fp, "%s\n", root);
                    576:        (void)fclose(fp);
1.51      xsa       577:
1.105     xsa       578:        (void)xsnprintf(buf, sizeof(buf), "%s/%s", path, CVS_PATH_REPOSITORY);
1.51      xsa       579:
1.79      joris     580:        if ((fp = fopen(buf, "w")) == NULL)
                    581:                fatal("cvs_mkadmin: %s: %s", buf, strerror(errno));
1.51      xsa       582:
1.79      joris     583:        fprintf(fp, "%s\n", repo);
                    584:        (void)fclose(fp);
1.51      xsa       585:
1.105     xsa       586:        (void)xsnprintf(buf, sizeof(buf), "%s/%s", path, CVS_PATH_ENTRIES);
1.51      xsa       587:
1.79      joris     588:        if ((fp = fopen(buf, "w")) == NULL)
                    589:                fatal("cvs_mkadmin: %s: %s", buf, strerror(errno));
1.51      xsa       590:        (void)fclose(fp);
1.87      xsa       591:
                    592:        cvs_write_tagfile(path, tag, date, nb);
1.54      joris     593: }
                    594:
1.79      joris     595: void
1.112     joris     596: cvs_mkpath(const char *path, char *tag)
1.72      niallo    597: {
1.79      joris     598:        FILE *fp;
                    599:        size_t len;
                    600:        char *sp, *dp, *dir, rpath[MAXPATHLEN], repo[MAXPATHLEN];
                    601:
                    602:        dir = xstrdup(path);
                    603:
                    604:        STRIP_SLASH(dir);
1.90      joris     605:
                    606:        if (cvs_server_active == 0)
                    607:                cvs_log(LP_TRACE, "cvs_mkpath(%s)", dir);
1.72      niallo    608:
1.79      joris     609:        repo[0] = '\0';
                    610:        rpath[0] = '\0';
1.72      niallo    611:
1.79      joris     612:        if (cvs_cmdop == CVS_OP_UPDATE) {
                    613:                if ((fp = fopen(CVS_PATH_REPOSITORY, "r")) != NULL) {
1.91      thib      614:                        if ((fgets(repo, sizeof(repo), fp)) == NULL)
                    615:                                fatal("cvs_mkpath: bad repository file");
                    616:                        if ((len = strlen(repo)) && repo[len - 1] == '\n')
                    617:                                repo[len - 1] = '\0';
1.79      joris     618:                        (void)fclose(fp);
                    619:                }
1.72      niallo    620:        }
                    621:
1.79      joris     622:        for (sp = dir; sp != NULL; sp = dp) {
                    623:                dp = strchr(sp, '/');
                    624:                if (dp != NULL)
                    625:                        *(dp++) = '\0';
                    626:
                    627:                if (repo[0] != '\0') {
                    628:                        len = strlcat(repo, "/", sizeof(repo));
                    629:                        if (len >= (int)sizeof(repo))
                    630:                                fatal("cvs_mkpath: overflow");
                    631:                }
                    632:
                    633:                len = strlcat(repo, sp, sizeof(repo));
                    634:                if (len >= (int)sizeof(repo))
                    635:                        fatal("cvs_mkpath: overflow");
                    636:
                    637:                if (rpath[0] != '\0') {
                    638:                        len = strlcat(rpath, "/", sizeof(rpath));
                    639:                        if (len >= (int)sizeof(rpath))
                    640:                                fatal("cvs_mkpath: overflow");
                    641:                }
                    642:
                    643:                len = strlcat(rpath, sp, sizeof(rpath));
                    644:                if (len >= (int)sizeof(rpath))
                    645:                        fatal("cvs_mkpath: overflow");
                    646:
                    647:                if (mkdir(rpath, 0755) == -1 && errno != EEXIST)
                    648:                        fatal("cvs_mkpath: %s: %s", rpath, strerror(errno));
1.72      niallo    649:
1.98      joris     650:                cvs_mkadmin(rpath, current_cvsroot->cr_str, repo,
1.112     joris     651:                    tag, NULL, 0);
                    652:
                    653:                if (cvs_server_active == 1 && strcmp(rpath, ".")) {
                    654:                        if (tag != NULL)
                    655:                                cvs_server_set_sticky(rpath, tag);
                    656:                }
1.79      joris     657:        }
1.72      niallo    658:
1.79      joris     659:        xfree(dir);
1.72      niallo    660: }
1.54      joris     661:
                    662: /*
                    663:  * Split the contents of a file into a list of lines.
                    664:  */
                    665: struct cvs_lines *
1.106     otto      666: cvs_splitlines(u_char *data, size_t len)
1.54      joris     667: {
1.97      niallo    668:        u_char *p, *c;
                    669:        size_t i, tlen;
1.54      joris     670:        struct cvs_lines *lines;
                    671:        struct cvs_line *lp;
                    672:
1.77      ray       673:        lines = xmalloc(sizeof(*lines));
1.97      niallo    674:        memset(lines, 0, sizeof(*lines));
1.54      joris     675:        TAILQ_INIT(&(lines->l_lines));
                    676:
1.77      ray       677:        lp = xmalloc(sizeof(*lp));
1.97      niallo    678:        memset(lp, 0, sizeof(*lp));
1.54      joris     679:        TAILQ_INSERT_TAIL(&(lines->l_lines), lp, l_list);
                    680:
1.97      niallo    681:        p = c = data;
                    682:        for (i = 0; i < len; i++) {
                    683:                if (*p == '\n' || (i == len - 1)) {
                    684:                        tlen = p - c + 1;
                    685:                        lp = xmalloc(sizeof(*lp));
1.102     niallo    686:                        memset(lp, 0, sizeof(*lp));
1.97      niallo    687:                        lp->l_line = c;
                    688:                        lp->l_len = tlen;
                    689:                        lp->l_lineno = ++(lines->l_nblines);
                    690:                        TAILQ_INSERT_TAIL(&(lines->l_lines), lp, l_list);
                    691:                        c = p + 1;
                    692:                }
                    693:                p++;
1.54      joris     694:        }
                    695:
                    696:        return (lines);
                    697: }
                    698:
                    699: void
                    700: cvs_freelines(struct cvs_lines *lines)
                    701: {
                    702:        struct cvs_line *lp;
                    703:
                    704:        while ((lp = TAILQ_FIRST(&(lines->l_lines))) != NULL) {
                    705:                TAILQ_REMOVE(&(lines->l_lines), lp, l_list);
1.102     niallo    706:                if (lp->l_needsfree == 1)
                    707:                        xfree(lp->l_line);
1.59      joris     708:                xfree(lp);
1.54      joris     709:        }
                    710:
1.59      joris     711:        xfree(lines);
1.70      niallo    712: }
                    713:
1.71      xsa       714: /*
                    715:  * cvs_strsplit()
                    716:  *
                    717:  * Split a string <str> of <sep>-separated values and allocate
                    718:  * an argument vector for the values found.
                    719:  */
1.73      pat       720: struct cvs_argvector *
1.71      xsa       721: cvs_strsplit(char *str, const char *sep)
                    722: {
1.73      pat       723:        struct cvs_argvector *av;
1.76      ray       724:        size_t i = 0;
1.71      xsa       725:        char *cp, *p;
                    726:
                    727:        cp = xstrdup(str);
1.77      ray       728:        av = xmalloc(sizeof(*av));
1.73      pat       729:        av->str = cp;
1.113     ray       730:        av->argv = xmalloc(sizeof(*(av->argv)));
1.71      xsa       731:
                    732:        while ((p = strsep(&cp, sep)) != NULL) {
1.73      pat       733:                av->argv[i++] = p;
1.111     ray       734:                av->argv = xrealloc(av->argv,
1.77      ray       735:                    i + 1, sizeof(*(av->argv)));
1.71      xsa       736:        }
1.73      pat       737:        av->argv[i] = NULL;
                    738:
                    739:        return (av);
                    740: }
1.71      xsa       741:
1.73      pat       742: /*
                    743:  * cvs_argv_destroy()
                    744:  *
                    745:  * Free an argument vector previously allocated by cvs_strsplit().
                    746:  */
                    747: void
                    748: cvs_argv_destroy(struct cvs_argvector *av)
                    749: {
                    750:        xfree(av->str);
                    751:        xfree(av->argv);
                    752:        xfree(av);
1.82      joris     753: }
                    754:
                    755: u_int
                    756: cvs_revision_select(RCSFILE *file, char *range)
                    757: {
                    758:        int i;
                    759:        u_int nrev;
                    760:        char *lstr, *rstr;
                    761:        struct rcs_delta *rdp;
                    762:        struct cvs_argvector *revargv, *revrange;
                    763:        RCSNUM *lnum, *rnum;
                    764:
                    765:        nrev = 0;
                    766:        lnum = rnum = NULL;
                    767:
                    768:        revargv = cvs_strsplit(range, ",");
                    769:        for (i = 0; revargv->argv[i] != NULL; i++) {
                    770:                revrange = cvs_strsplit(revargv->argv[i], ":");
                    771:                if (revrange->argv[0] == NULL)
                    772:                        fatal("invalid revision range: %s", revargv->argv[i]);
                    773:                else if (revrange->argv[1] == NULL)
                    774:                        lstr = rstr = revrange->argv[0];
                    775:                else {
                    776:                        if (revrange->argv[2] != NULL)
                    777:                                fatal("invalid revision range: %s",
                    778:                                    revargv->argv[i]);
                    779:
                    780:                        lstr = revrange->argv[0];
                    781:                        rstr = revrange->argv[1];
                    782:
                    783:                        if (strcmp(lstr, "") == 0)
                    784:                                lstr = NULL;
                    785:                        if (strcmp(rstr, "") == 0)
                    786:                                rstr = NULL;
                    787:                }
                    788:
                    789:                if (lstr == NULL)
                    790:                        lstr = RCS_HEAD_INIT;
                    791:
1.100     niallo    792:                if ((lnum = rcs_translate_tag(lstr, file)) == NULL)
                    793:                        fatal("cvs_revision_select: could not translate tag `%s'", lstr);
1.82      joris     794:
                    795:                if (rstr != NULL) {
1.100     niallo    796:                        if ((rnum = rcs_translate_tag(rstr, file)) == NULL)
                    797:                                fatal("cvs_revision_select: could not translate tag `%s'", rstr);
1.82      joris     798:                } else {
                    799:                        rnum = rcsnum_alloc();
                    800:                        rcsnum_cpy(file->rf_head, rnum, 0);
                    801:                }
                    802:
                    803:                cvs_argv_destroy(revrange);
                    804:
                    805:                TAILQ_FOREACH(rdp, &(file->rf_delta), rd_list) {
                    806:                        if (rcsnum_cmp(rdp->rd_num, lnum, 0) <= 0 &&
                    807:                            rcsnum_cmp(rdp->rd_num, rnum, 0) >= 0 &&
                    808:                            !(rdp->rd_flags & RCS_RD_SELECT)) {
                    809:                                rdp->rd_flags |= RCS_RD_SELECT;
                    810:                                nrev++;
                    811:                        }
                    812:                }
                    813:        }
                    814:
                    815:        cvs_argv_destroy(revargv);
                    816:
                    817:        if (lnum != NULL)
                    818:                rcsnum_free(lnum);
                    819:        if (rnum != NULL)
                    820:                rcsnum_free(rnum);
                    821:
                    822:        return (nrev);
1.95      xsa       823: }
                    824:
                    825: int
                    826: cvs_yesno(void)
                    827: {
                    828:        int c, ret;
                    829:
                    830:        ret = 0;
                    831:
                    832:        fflush(stderr);
                    833:        fflush(stdout);
                    834:
                    835:        if ((c = getchar()) != 'y' && c != 'Y')
                    836:                ret = -1;
                    837:        else
                    838:                while (c != EOF && c != '\n')
                    839:                        c = getchar();
                    840:
                    841:        return (ret);
1.71      xsa       842: }