Annotation of src/usr.bin/cvs/repository.c, Revision 1.19
1.19 ! joris 1: /* $OpenBSD: repository.c,v 1.18 2008/02/03 22:50:28 joris Exp $ */
1.1 joris 2: /*
3: * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
4: *
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.
16: */
17:
1.12 otto 18: #include <sys/stat.h>
19:
20: #include <errno.h>
21: #include <fcntl.h>
22: #include <pwd.h>
23: #include <string.h>
24: #include <unistd.h>
1.1 joris 25:
26: #include "cvs.h"
27:
28: struct cvs_wklhead repo_locks;
29:
30: void
31: cvs_repository_unlock(const char *repo)
32: {
33: char fpath[MAXPATHLEN];
34:
35: cvs_log(LP_TRACE, "cvs_repository_unlock(%s)", repo);
36:
1.11 xsa 37: (void)xsnprintf(fpath, sizeof(fpath), "%s/%s", repo, CVS_LOCK);
1.1 joris 38:
39: /* XXX - this ok? */
40: cvs_worklist_run(&repo_locks, cvs_worklist_unlink);
41: }
42:
43: void
44: cvs_repository_lock(const char *repo)
45: {
1.6 xsa 46: int i;
1.1 joris 47: struct stat st;
48: char fpath[MAXPATHLEN];
49: struct passwd *pw;
1.7 xsa 50:
51: if (cvs_noexec == 1 || cvs_readonlyfs == 1)
52: return;
1.1 joris 53:
54: cvs_log(LP_TRACE, "cvs_repository_lock(%s)", repo);
55:
1.11 xsa 56: (void)xsnprintf(fpath, sizeof(fpath), "%s/%s", repo, CVS_LOCK);
1.1 joris 57:
58: for (i = 0; i < CVS_LOCK_TRIES; i++) {
59: if (cvs_quit)
60: fatal("received signal %d", sig_received);
61:
62: if (stat(fpath, &st) == -1)
63: break;
64:
65: if ((pw = getpwuid(st.st_uid)) == NULL)
66: fatal("cvs_repository_lock: %s", strerror(errno));
67:
68: cvs_log(LP_NOTICE, "waiting for %s's lock in '%s'",
69: pw->pw_name, repo);
70: sleep(CVS_LOCK_SLEEP);
71: }
72:
73: if (i == CVS_LOCK_TRIES)
74: fatal("maximum wait time for lock inside '%s' reached", repo);
75:
76: if ((i = open(fpath, O_WRONLY|O_CREAT|O_TRUNC, 0755)) < 0) {
77: if (errno == EEXIST)
78: fatal("cvs_repository_lock: somebody beat us");
79: else
1.3 david 80: fatal("cvs_repository_lock: %s: %s",
1.1 joris 81: fpath, strerror(errno));
82: }
83:
84: (void)close(i);
85: cvs_worklist_add(fpath, &repo_locks);
86: }
87:
88: void
89: cvs_repository_getdir(const char *dir, const char *wdir,
1.2 joris 90: struct cvs_flisthead *fl, struct cvs_flisthead *dl, int dodirs)
1.1 joris 91: {
1.8 joris 92: int type;
1.1 joris 93: DIR *dirp;
1.8 joris 94: struct stat st;
1.1 joris 95: struct dirent *dp;
1.9 otto 96: char *s, fpath[MAXPATHLEN], rpath[MAXPATHLEN];
1.1 joris 97:
98: if ((dirp = opendir(dir)) == NULL)
99: fatal("cvs_repository_getdir: failed to open '%s'", dir);
100:
101: while ((dp = readdir(dirp)) != NULL) {
102: if (!strcmp(dp->d_name, ".") ||
103: !strcmp(dp->d_name, "..") ||
104: !strcmp(dp->d_name, CVS_LOCK))
1.2 joris 105: continue;
106:
1.11 xsa 107: (void)xsnprintf(fpath, MAXPATHLEN, "%s/%s", wdir, dp->d_name);
108: (void)xsnprintf(rpath, MAXPATHLEN, "%s/%s", dir, dp->d_name);
1.18 joris 109:
110: if (!TAILQ_EMPTY(&checkout_ign_pats)) {
1.19 ! joris 111: if ((s = strrchr(fpath, ',')) != NULL)
! 112: *s = '\0';
1.18 joris 113: if (cvs_file_chkign(fpath))
114: continue;
1.19 ! joris 115: if (s != NULL)
! 116: *s = ',';
1.18 joris 117: }
1.1 joris 118:
119: /*
1.8 joris 120: * nfs and afs will show d_type as DT_UNKNOWN
121: * for files and/or directories so when we encounter
1.10 todd 122: * this we call lstat() on the path to be sure.
1.1 joris 123: */
1.8 joris 124: if (dp->d_type == DT_UNKNOWN) {
1.10 todd 125: if (lstat(rpath, &st) == -1)
1.8 joris 126: fatal("'%s': %s", rpath, strerror(errno));
127:
128: switch (st.st_mode & S_IFMT) {
129: case S_IFDIR:
130: type = CVS_DIR;
131: break;
132: case S_IFREG:
133: type = CVS_FILE;
134: break;
135: default:
136: fatal("Unknown file type in repository");
137: }
138: } else {
139: switch (dp->d_type) {
140: case DT_DIR:
141: type = CVS_DIR;
142: break;
143: case DT_REG:
144: type = CVS_FILE;
145: break;
146: default:
147: fatal("Unknown file type in repository");
148: }
149: }
150:
151: if (dodirs == 0 && type == CVS_DIR)
152: continue;
153:
154: switch (type) {
155: case CVS_DIR:
1.14 joris 156: if (!strcmp(dp->d_name, CVS_PATH_ATTIC))
157: cvs_repository_getdir(rpath, wdir, fl, dl, 0);
158: else
1.15 joris 159: cvs_file_get(fpath, 0, dl);
1.8 joris 160: break;
161: case CVS_FILE:
1.17 tobias 162: if ((s = strrchr(fpath, ',')) != NULL &&
163: s != fpath && !strcmp(s, RCS_FILE_EXT)) {
1.1 joris 164: *s = '\0';
1.17 tobias 165: cvs_file_get(fpath, 0, fl);
166: }
1.8 joris 167: break;
168: default:
169: fatal("type %d unknown, shouldn't happen", type);
1.1 joris 170: }
171: }
172:
173: (void)closedir(dirp);
174: }
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