2 * Create a file, and reset the modes
4 * Kern Sibbald, November MM
10 Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
12 This program is free software; you can redistribute it and/or
13 modify it under the terms of the GNU General Public License as
14 published by the Free Software Foundation; either version 2 of
15 the License, or (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 General Public License for more details.
22 You should have received a copy of the GNU General Public
23 License along with this program; if not, write to the Free
24 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
33 #define S_IRWXUGO (S_IRWXU | S_IRWXG | S_IRWXO)
43 * Create the file, or the directory
45 * fname is the original filename
46 * ofile is the output filename (may be in a different directory)
48 * Returns: 1 on success
51 * Note, we create the file here, except for special files,
52 * we do not set the attributes because we want to first
53 * write the file, then when the writing is done, set the
55 * So, we return with the file descriptor open for normal
59 int create_file(void *jcr, char *fname, char *ofile, char *lname,
60 int type, int stream, struct stat *statp,
61 char *attribsEx, int *ofd)
63 int new_mode, parent_mode, mode;
72 * new_mode = S_IRWXUGO & ~umask(0);
74 new_mode = statp->st_mode;
75 Dmsg2(300, "newmode=%x file=%s\n", new_mode, ofile);
76 parent_mode = S_IWUSR | S_IXUSR | new_mode;
81 case FT_LNKSAVED: /* Hard linked, file already saved */
82 Dmsg2(130, "Hard link %s => %s\n", ofile, lname);
83 if (link(lname, ofile) != 0) {
84 Jmsg3(jcr, M_ERROR, 0, "Could not hard link %s ==> %s: ERR=%s\n",
85 ofile, lname, strerror(errno));
88 case FT_REGE: /* empty file */
89 case FT_REG: /* regular file */
90 /* Separate pathname and filename */
91 for (p=f=ofile; *p; p++) {
93 f = p; /* possible filename */
102 Jmsg1(jcr, M_ERROR, 0, "Zero length filename: %s\n", fname);
108 Jmsg1(jcr, M_ERROR, 0, "Zero length path: %s\n", fname);
111 savechr = ofile[pnl];
112 ofile[pnl] = 0; /* terminate path */
114 Dmsg1(50, "Make path %s\n", ofile);
116 * If we need to make the directory, ensure that it is with
117 * execute bit set (i.e. parent_mode), and preserve what already
118 * exists. Normally, this should do nothing.
120 stat = !make_path(jcr, ofile, parent_mode, parent_mode, uid, gid, 1, NULL);
122 Dmsg1(0, "Could not make path. %s\n", ofile);
126 ofile[pnl] = savechr; /* restore full name */
127 Dmsg1(100, "Create file %s\n", ofile);
128 mode = O_WRONLY | O_CREAT | O_TRUNC;
129 if (IS_CTG(statp->st_mode)) {
130 mode |= O_CTG; /* set contiguous bit if needed */
132 Dmsg1(50, "Create file: %s\n", ofile);
133 if ((*ofd = open(ofile, mode, S_IRUSR | S_IWUSR)) < 0) {
134 Jmsg2(jcr, M_ERROR, 0, "Could not create %s: ERR=%s\n", ofile, strerror(errno));
139 Dmsg2(130, "FT_LNK should restore: %s -> %s\n", ofile, lname);
140 if (symlink(lname, ofile) != 0 && errno != EEXIST) {
141 Jmsg3(jcr, M_ERROR, 0, "Could not symlink %s -> %s: ERR=%s\n",
142 ofile, lname, strerror(errno));
146 Dmsg2(300, "Make dir mode=%o dir=%s\n", new_mode, ofile);
147 if (make_path(jcr, ofile, new_mode, parent_mode, uid, gid, 0, NULL) != 0) {
148 Jmsg1(jcr, M_ERROR, 0, "Could not make directory: %s\n", ofile);
152 if (S_ISFIFO(statp->st_mode)) {
153 Dmsg1(0, "Restore fifo: %s\n", ofile);
154 if (mkfifo(ofile, statp->st_mode) != 0) {
155 Jmsg2(jcr, M_ERROR, 0, "Cannot make fifo %s: ERR=%s\n", ofile, strerror(errno));
159 Dmsg1(0, "Restore node: %s\n", ofile);
160 if (mknod(ofile, statp->st_mode, statp->st_rdev) != 0) {
161 Jmsg2(jcr, M_ERROR, 0, "Cannot make node %s: ERR=%s\n", ofile, strerror(errno));
165 Dmsg1(0, "FT_SPEC %s\n", ofile);
168 /* The following should not occur */
178 Jmsg2(jcr, M_ERROR, 0, "Original file %s not saved. Stat=%d\n", fname, type);
181 Jmsg2(jcr, M_ERROR, 0, "Unknown file type %d; not restored: %s\n", type, fname);