[BACK]Return to logmsg.c CVS log [TXT][DIR] Up to [local] / src / usr.bin / cvs

Annotation of src/usr.bin/cvs/logmsg.c, Revision 1.57

1.57    ! nicm        1: /*     $OpenBSD: logmsg.c,v 1.56 2015/02/05 12:59:57 millert Exp $     */
1.1       jfb         2: /*
1.30      joris       3:  * Copyright (c) 2007 Joris Vink <joris@openbsd.org>
1.1       jfb         4:  *
1.30      joris       5:  * Permission to use, copy, modify, and distribute this software for any
                      6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
                      8:  *
                      9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       jfb        16:  */
                     17:
1.38      otto       18: #include <sys/stat.h>
1.39      xsa        19: #include <sys/types.h>
                     20: #include <sys/wait.h>
1.38      otto       21:
                     22: #include <errno.h>
                     23: #include <fcntl.h>
1.49      tobias     24: #include <libgen.h>
1.39      xsa        25: #include <paths.h>
                     26: #include <signal.h>
1.56      millert    27: #include <stdint.h>
1.45      chl        28: #include <stdlib.h>
1.38      otto       29: #include <string.h>
                     30: #include <unistd.h>
1.1       jfb        31:
                     32: #include "cvs.h"
                     33:
1.30      joris      34: #define CVS_LOGMSG_PREFIX              "CVS:"
                     35: #define CVS_LOGMSG_LINE                \
1.1       jfb        36: "----------------------------------------------------------------------"
                     37:
1.39      xsa        38: int    cvs_logmsg_edit(const char *);
                     39:
1.17      xsa        40: char *
1.30      joris      41: cvs_logmsg_read(const char *path)
1.1       jfb        42: {
1.30      joris      43:        int fd;
                     44:        BUF *bp;
                     45:        FILE *fp;
1.1       jfb        46:        size_t len;
                     47:        struct stat st;
1.30      joris      48:        char *buf, *lbuf;
                     49:
                     50:        if ((fd = open(path, O_RDONLY)) == -1)
                     51:                fatal("cvs_logmsg_read: open %s", strerror(errno));
1.1       jfb        52:
1.30      joris      53:        if (fstat(fd, &st) == -1)
                     54:                fatal("cvs_logmsg_read: fstat %s", strerror(errno));
1.1       jfb        55:
1.24      xsa        56:        if (!S_ISREG(st.st_mode))
1.30      joris      57:                fatal("cvs_logmsg_read: file is not a regular file");
1.1       jfb        58:
1.30      joris      59:        if ((fp = fdopen(fd, "r")) == NULL)
                     60:                fatal("cvs_logmsg_read: fdopen %s", strerror(errno));
1.47      tobias     61:
                     62:        if (st.st_size > SIZE_MAX)
1.48      tobias     63:                fatal("cvs_logmsg_read: %s: file size too big", path);
1.1       jfb        64:
1.30      joris      65:        lbuf = NULL;
1.54      ray        66:        bp = buf_alloc(st.st_size);
1.30      joris      67:        while ((buf = fgetln(fp, &len))) {
                     68:                if (buf[len - 1] == '\n') {
                     69:                        buf[len - 1] = '\0';
1.51      ray        70:                        --len;
1.30      joris      71:                } else {
                     72:                        lbuf = xmalloc(len + 1);
1.36      otto       73:                        memcpy(lbuf, buf, len);
                     74:                        lbuf[len] = '\0';
1.30      joris      75:                        buf = lbuf;
                     76:                }
                     77:
                     78:                if (!strncmp(buf, CVS_LOGMSG_PREFIX,
1.44      tobias     79:                    sizeof(CVS_LOGMSG_PREFIX) - 1))
1.1       jfb        80:                        continue;
                     81:
1.54      ray        82:                buf_append(bp, buf, len);
                     83:                buf_putc(bp, '\n');
1.30      joris      84:        }
                     85:
1.57    ! nicm       86:        free(lbuf);
1.1       jfb        87:
1.11      jfb        88:        (void)fclose(fp);
                     89:
1.54      ray        90:        buf_putc(bp, '\0');
                     91:        return (buf_release(bp));
1.1       jfb        92: }
                     93:
1.17      xsa        94: char *
1.49      tobias     95: cvs_logmsg_create(char *dir, struct cvs_flisthead *added,
                     96:     struct cvs_flisthead *removed, struct cvs_flisthead *modified)
1.1       jfb        97: {
1.50      joris      98:        FILE *fp, *rp;
                     99:        int c, fd, rd, saved_errno;
1.30      joris     100:        struct cvs_filelist *cf;
1.1       jfb       101:        struct stat st1, st2;
1.55      deraadt   102:        char *fpath, *logmsg, repo[PATH_MAX];
1.50      joris     103:        struct stat st;
                    104:        struct trigger_list *line_list;
                    105:        struct trigger_line *line;
1.49      tobias    106:        static int reuse = 0;
                    107:        static char *prevmsg = NULL;
1.8       jfb       108:
1.49      tobias    109:        if (reuse)
                    110:                return xstrdup(prevmsg);
                    111:
1.35      xsa       112:        (void)xasprintf(&fpath, "%s/cvsXXXXXXXXXX", cvs_tmpdir);
1.1       jfb       113:
1.45      chl       114:        if ((fd = mkstemp(fpath)) == -1)
1.30      joris     115:                fatal("cvs_logmsg_create: mkstemp %s", strerror(errno));
1.33      joris     116:
1.53      ray       117:        worklist_add(fpath, &temp_files);
1.1       jfb       118:
1.24      xsa       119:        if ((fp = fdopen(fd, "w")) == NULL) {
1.34      xsa       120:                saved_errno = errno;
1.30      joris     121:                (void)unlink(fpath);
1.34      xsa       122:                fatal("cvs_logmsg_create: fdopen %s", strerror(saved_errno));
1.8       jfb       123:        }
1.1       jfb       124:
1.49      tobias    125:        if (prevmsg != NULL && prevmsg[0] != '\0')
                    126:                fprintf(fp, "%s", prevmsg);
                    127:        else
                    128:                fputc('\n', fp);
                    129:
1.50      joris     130:        line_list = cvs_trigger_getlines(CVS_PATH_RCSINFO, repo);
                    131:        if (line_list != NULL) {
                    132:                TAILQ_FOREACH(line, line_list, flist) {
                    133:                        if ((rd = open(line->line, O_RDONLY)) == -1)
                    134:                                fatal("cvs_logmsg_create: open %s",
                    135:                                    strerror(errno));
                    136:                        if (fstat(rd, &st) == -1)
                    137:                                fatal("cvs_logmsg_create: fstat %s",
                    138:                                    strerror(errno));
                    139:                        if (!S_ISREG(st.st_mode))
                    140:                                fatal("cvs_logmsg_create: file is not a "
                    141:                                    "regular file");
                    142:                        if ((rp = fdopen(rd, "r")) == NULL)
                    143:                                fatal("cvs_logmsg_create: fdopen %s",
                    144:                                    strerror(errno));
                    145:                        if (st.st_size > SIZE_MAX)
                    146:                                fatal("cvs_logmsg_create: %s: file size "
                    147:                                    "too big", line->line);
                    148:                        logmsg = xmalloc(st.st_size);
                    149:                        fread(logmsg, st.st_size, 1, rp);
                    150:                        fwrite(logmsg, st.st_size, 1, fp);
1.57    ! nicm      151:                        free(logmsg);
1.50      joris     152:                        (void)fclose(rp);
                    153:                }
                    154:                cvs_trigger_freelist(line_list);
                    155:        }
                    156:
1.49      tobias    157:        fprintf(fp, "%s %s\n%s Enter Log.  Lines beginning with `%s' are "
1.8       jfb       158:            "removed automatically\n%s\n", CVS_LOGMSG_PREFIX, CVS_LOGMSG_LINE,
                    159:            CVS_LOGMSG_PREFIX, CVS_LOGMSG_PREFIX, CVS_LOGMSG_PREFIX);
                    160:
1.49      tobias    161:        if (cvs_cmdop == CVS_OP_COMMIT) {
                    162:                fprintf(fp, "%s Committing in %s\n%s\n", CVS_LOGMSG_PREFIX,
                    163:                    dir != NULL ? dir : ".", CVS_LOGMSG_PREFIX);
                    164:        }
                    165:
1.52      joris     166:        if (added != NULL && !RB_EMPTY(added)) {
1.30      joris     167:                fprintf(fp, "%s Added Files:", CVS_LOGMSG_PREFIX);
1.52      joris     168:                RB_FOREACH(cf, cvs_flisthead, added)
1.49      tobias    169:                        fprintf(fp, "\n%s\t%s", CVS_LOGMSG_PREFIX,
                    170:                            dir != NULL ? basename(cf->file_path) :
                    171:                            cf->file_path);
1.30      joris     172:                fputs("\n", fp);
                    173:        }
                    174:
1.52      joris     175:        if (removed != NULL && !RB_EMPTY(removed)) {
1.30      joris     176:                fprintf(fp, "%s Removed Files:", CVS_LOGMSG_PREFIX);
1.52      joris     177:                RB_FOREACH(cf, cvs_flisthead, removed)
1.49      tobias    178:                        fprintf(fp, "\n%s\t%s", CVS_LOGMSG_PREFIX,
                    179:                            dir != NULL ? basename(cf->file_path) :
                    180:                            cf->file_path);
1.30      joris     181:                fputs("\n", fp);
                    182:        }
                    183:
1.52      joris     184:        if (modified != NULL && !RB_EMPTY(modified)) {
1.30      joris     185:                fprintf(fp, "%s Modified Files:", CVS_LOGMSG_PREFIX);
1.52      joris     186:                RB_FOREACH(cf, cvs_flisthead, modified)
1.49      tobias    187:                        fprintf(fp, "\n%s\t%s", CVS_LOGMSG_PREFIX,
                    188:                            dir != NULL ? basename(cf->file_path) :
                    189:                            cf->file_path);
1.30      joris     190:                fputs("\n", fp);
                    191:        }
1.1       jfb       192:
1.9       jfb       193:        fprintf(fp, "%s %s\n", CVS_LOGMSG_PREFIX, CVS_LOGMSG_LINE);
1.1       jfb       194:        (void)fflush(fp);
                    195:
                    196:        if (fstat(fd, &st1) == -1) {
1.34      xsa       197:                saved_errno = errno;
1.30      joris     198:                (void)unlink(fpath);
1.34      xsa       199:                fatal("cvs_logmsg_create: fstat %s", strerror(saved_errno));
1.1       jfb       200:        }
                    201:
1.30      joris     202:        logmsg = NULL;
                    203:
1.1       jfb       204:        for (;;) {
1.41      ray       205:                if (cvs_logmsg_edit(fpath) == -1)
1.1       jfb       206:                        break;
1.8       jfb       207:
1.1       jfb       208:                if (fstat(fd, &st2) == -1) {
1.34      xsa       209:                        saved_errno = errno;
1.30      joris     210:                        (void)unlink(fpath);
1.34      xsa       211:                        fatal("cvs_logmsg_create: fstat %s",
                    212:                            strerror(saved_errno));
1.1       jfb       213:                }
                    214:
1.30      joris     215:                if (st1.st_mtime != st2.st_mtime) {
                    216:                        logmsg = cvs_logmsg_read(fpath);
1.57    ! nicm      217:                        free(prevmsg);
1.49      tobias    218:                        prevmsg = xstrdup(logmsg);
1.1       jfb       219:                        break;
                    220:                }
                    221:
1.30      joris     222:                printf("\nLog message unchanged or not specified\n"
1.49      tobias    223:                    "a)bort, c)ontinue, e)dit, !)reuse this message "
                    224:                    "unchanged for remaining dirs\nAction: (continue) ");
1.30      joris     225:                (void)fflush(stdout);
                    226:
                    227:                c = getc(stdin);
1.43      tobias    228:                if (c == EOF || c == 'a') {
1.30      joris     229:                        fatal("Aborted by user");
                    230:                } else if (c == '\n' || c == 'c') {
1.49      tobias    231:                        if (prevmsg == NULL)
                    232:                                prevmsg = xstrdup("");
                    233:                        logmsg = xstrdup(prevmsg);
1.1       jfb       234:                        break;
1.30      joris     235:                } else if (c == 'e') {
1.1       jfb       236:                        continue;
1.49      tobias    237:                } else if (c == '!') {
                    238:                        reuse = 1;
                    239:                        if (prevmsg == NULL)
                    240:                                prevmsg = xstrdup("");
                    241:                        logmsg = xstrdup(prevmsg);
                    242:                        break;
1.30      joris     243:                } else {
                    244:                        cvs_log(LP_ERR, "invalid input");
1.1       jfb       245:                        continue;
                    246:                }
                    247:        }
                    248:
                    249:        (void)fclose(fp);
1.30      joris     250:        (void)unlink(fpath);
1.57    ! nicm      251:        free(fpath);
1.1       jfb       252:
1.30      joris     253:        return (logmsg);
1.39      xsa       254: }
                    255:
1.41      ray       256: /*
                    257:  * Execute an editor on the specified pathname, which is interpreted
                    258:  * from the shell.  This means flags may be included.
                    259:  *
                    260:  * Returns -1 on error, or the exit value on success.
                    261:  */
1.39      xsa       262: int
                    263: cvs_logmsg_edit(const char *pathname)
                    264: {
                    265:        char *argp[] = {"sh", "-c", NULL, NULL}, *p;
                    266:        sig_t sighup, sigint, sigquit;
                    267:        pid_t pid;
1.40      ray       268:        int saved_errno, st;
1.39      xsa       269:
                    270:        (void)xasprintf(&p, "%s %s", cvs_editor, pathname);
                    271:        argp[2] = p;
                    272:
                    273:        sighup = signal(SIGHUP, SIG_IGN);
                    274:        sigint = signal(SIGINT, SIG_IGN);
                    275:        sigquit = signal(SIGQUIT, SIG_IGN);
1.40      ray       276:        if ((pid = fork()) == -1)
                    277:                goto fail;
1.39      xsa       278:        if (pid == 0) {
                    279:                execv(_PATH_BSHELL, argp);
                    280:                _exit(127);
                    281:        }
1.40      ray       282:        while (waitpid(pid, &st, 0) == -1)
                    283:                if (errno != EINTR)
                    284:                        goto fail;
1.57    ! nicm      285:        free(p);
1.39      xsa       286:        (void)signal(SIGHUP, sighup);
                    287:        (void)signal(SIGINT, sigint);
                    288:        (void)signal(SIGQUIT, sigquit);
1.40      ray       289:        if (!WIFEXITED(st)) {
                    290:                errno = EINTR;
1.39      xsa       291:                return (-1);
                    292:        }
1.40      ray       293:        return (WEXITSTATUS(st));
                    294:
                    295:  fail:
                    296:        saved_errno = errno;
                    297:        (void)signal(SIGHUP, sighup);
                    298:        (void)signal(SIGINT, sigint);
                    299:        (void)signal(SIGQUIT, sigquit);
1.57    ! nicm      300:        free(p);
1.40      ray       301:        errno = saved_errno;
                    302:        return (-1);
1.1       jfb       303: }
1.50      joris     304:
                    305: int
                    306: cvs_logmsg_verify(char *logmsg)
                    307: {
                    308:        int fd, ret = 0;
                    309:        char *fpath;
                    310:        struct trigger_list *line_list;
                    311:        struct file_info_list files_info;
                    312:        struct file_info *fi;
                    313:
                    314:        line_list = cvs_trigger_getlines(CVS_PATH_VERIFYMSG, "DEFAULT");
                    315:        if (line_list != NULL) {
                    316:                TAILQ_INIT(&files_info);
                    317:
                    318:                (void)xasprintf(&fpath, "%s/cvsXXXXXXXXXX", cvs_tmpdir);
                    319:                if ((fd = mkstemp(fpath)) == -1)
                    320:                        fatal("cvs_logmsg_verify: mkstemp %s", strerror(errno));
                    321:
                    322:                fi = xcalloc(1, sizeof(*fi));
                    323:                fi->file_path = xstrdup(fpath);
                    324:                TAILQ_INSERT_TAIL(&files_info, fi, flist);
                    325:
                    326:                if (cvs_trigger_handle(CVS_TRIGGER_VERIFYMSG, NULL, NULL,
                    327:                    line_list, &files_info)) {
                    328:                        cvs_log(LP_ERR, "Log message check failed");
                    329:                        ret = 1;
                    330:                }
                    331:
                    332:                cvs_trigger_freeinfo(&files_info);
                    333:                (void)close(fd);
                    334:                (void)unlink(fpath);
1.57    ! nicm      335:                free(fpath);
1.50      joris     336:                cvs_trigger_freelist(line_list);
                    337:        }
                    338:
                    339:        return ret;
                    340: }
                    341: