Annotation of src/usr.bin/cvs/repository.c, Revision 1.8
1.8 ! joris 1: /* $OpenBSD: repository.c,v 1.7 2006/12/11 07:59:18 xsa 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:
18: #include "includes.h"
19:
20: #include "cvs.h"
21: #include "file.h"
22: #include "log.h"
23: #include "repository.h"
24: #include "worklist.h"
25:
26: struct cvs_wklhead repo_locks;
27:
28: void
29: cvs_repository_unlock(const char *repo)
30: {
31: char fpath[MAXPATHLEN];
32:
33: cvs_log(LP_TRACE, "cvs_repository_unlock(%s)", repo);
34:
1.6 xsa 35: if (cvs_path_cat(repo, CVS_LOCK, fpath, sizeof(fpath)) >= sizeof(fpath))
36: fatal("cvs_repository_unlock: truncation");
1.1 joris 37:
38: /* XXX - this ok? */
39: cvs_worklist_run(&repo_locks, cvs_worklist_unlink);
40: }
41:
42: void
43: cvs_repository_lock(const char *repo)
44: {
1.6 xsa 45: int i;
1.1 joris 46: struct stat st;
47: char fpath[MAXPATHLEN];
48: struct passwd *pw;
1.7 xsa 49:
50: if (cvs_noexec == 1 || cvs_readonlyfs == 1)
51: return;
1.1 joris 52:
53: cvs_log(LP_TRACE, "cvs_repository_lock(%s)", repo);
54:
1.6 xsa 55: if (cvs_path_cat(repo, CVS_LOCK, fpath, sizeof(fpath)) >= sizeof(fpath))
56: fatal("cvs_repository_unlock: truncation");
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;
1.8 ! joris 96: char *s, *fpath, *rpath;
! 97:
! 98: rpath = xmalloc(MAXPATHLEN);
! 99: fpath = xmalloc(MAXPATHLEN);
1.1 joris 100:
101: if ((dirp = opendir(dir)) == NULL)
102: fatal("cvs_repository_getdir: failed to open '%s'", dir);
103:
104: while ((dp = readdir(dirp)) != NULL) {
105: if (!strcmp(dp->d_name, ".") ||
106: !strcmp(dp->d_name, "..") ||
1.5 xsa 107: !strcmp(dp->d_name, CVS_PATH_ATTIC) ||
1.1 joris 108: !strcmp(dp->d_name, CVS_LOCK))
109: continue;
110:
111: if (cvs_file_chkign(dp->d_name))
1.2 joris 112: continue;
113:
1.8 ! joris 114: if (cvs_path_cat(wdir, dp->d_name,
! 115: fpath, MAXPATHLEN) >= MAXPATHLEN)
! 116: fatal("cvs_repository_getdir: truncation");
1.1 joris 117:
1.8 ! joris 118: if (cvs_path_cat(dir, dp->d_name,
! 119: rpath, MAXPATHLEN) >= MAXPATHLEN)
1.6 xsa 120: fatal("cvs_repository_getdir: truncation");
1.1 joris 121:
122: /*
1.8 ! joris 123: * nfs and afs will show d_type as DT_UNKNOWN
! 124: * for files and/or directories so when we encounter
! 125: * this we call stat() on the path to be sure.
1.1 joris 126: */
1.8 ! joris 127: if (dp->d_type == DT_UNKNOWN) {
! 128: if (stat(rpath, &st) == -1)
! 129: fatal("'%s': %s", rpath, strerror(errno));
! 130:
! 131: switch (st.st_mode & S_IFMT) {
! 132: case S_IFDIR:
! 133: type = CVS_DIR;
! 134: break;
! 135: case S_IFREG:
! 136: type = CVS_FILE;
! 137: break;
! 138: default:
! 139: fatal("Unknown file type in repository");
! 140: }
! 141: } else {
! 142: switch (dp->d_type) {
! 143: case DT_DIR:
! 144: type = CVS_DIR;
! 145: break;
! 146: case DT_REG:
! 147: type = CVS_FILE;
! 148: break;
! 149: default:
! 150: fatal("Unknown file type in repository");
! 151: }
! 152: }
! 153:
! 154: if (dodirs == 0 && type == CVS_DIR)
! 155: continue;
! 156:
! 157: switch (type) {
! 158: case CVS_DIR:
1.1 joris 159: cvs_file_get(fpath, dl);
1.8 ! joris 160: break;
! 161: case CVS_FILE:
1.1 joris 162: if ((s = strrchr(fpath, ',')) != NULL)
163: *s = '\0';
164: cvs_file_get(fpath, fl);
1.8 ! joris 165: break;
! 166: default:
! 167: fatal("type %d unknown, shouldn't happen", type);
1.1 joris 168: }
169: }
1.8 ! joris 170:
! 171: xfree(rpath);
! 172: xfree(fpath);
1.1 joris 173:
174: (void)closedir(dirp);
175: }
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