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tmpfiles: use a common function to set owner/group/mode/label

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This commit is contained in:
Michal Schmidt 2011-12-15 23:44:23 +01:00
parent a08961233b
commit f05bc3f7f1
1 changed files with 45 additions and 75 deletions
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120
src/tmpfiles.c
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@ -405,8 +405,27 @@ finish:
return r;
}
static int item_set_perms(Item *i) {
if (i->mode_set)
if (chmod(i->path, i->mode) < 0) {
log_error("chmod(%s) failed: %m", i->path);
return -errno;
}
if (i->uid_set || i->gid_set)
if (chown(i->path,
i->uid_set ? i->uid : (uid_t) -1,
i->gid_set ? i->gid : (gid_t) -1) < 0) {
log_error("chown(%s) failed: %m", i->path);
return -errno;
}
return label_fix(i->path, false);
}
static int create_item(Item *i) {
int fd = -1, r;
int r;
mode_t u;
struct stat st;
@ -420,7 +439,8 @@ static int create_item(Item *i) {
return 0;
case CREATE_FILE:
case TRUNCATE_FILE:
case TRUNCATE_FILE: {
int fd;
u = umask(0);
fd = open(i->path, O_CREAT|O_NDELAY|O_CLOEXEC|O_WRONLY|O_NOCTTY|O_NOFOLLOW|
@ -429,39 +449,27 @@ static int create_item(Item *i) {
if (fd < 0) {
log_error("Failed to create file %s: %m", i->path);
r = -errno;
goto finish;
return -errno;
}
if (fstat(fd, &st) < 0) {
close_nointr_nofail(fd);
if (stat(i->path, &st) < 0) {
log_error("stat(%s) failed: %m", i->path);
r = -errno;
goto finish;
return -errno;
}
if (!S_ISREG(st.st_mode)) {
log_error("%s is not a file.", i->path);
r = -EEXIST;
goto finish;
return -EEXIST;
}
if (i->mode_set)
if (fchmod(fd, i->mode) < 0) {
log_error("chmod(%s) failed: %m", i->path);
r = -errno;
goto finish;
}
if (i->uid_set || i->gid_set)
if (fchown(fd,
i->uid_set ? i->uid : (uid_t) -1,
i->gid_set ? i->gid : (gid_t) -1) < 0) {
log_error("chown(%s) failed: %m", i->path);
r = -errno;
goto finish;
}
r = item_set_perms(i);
if (r < 0)
return r;
break;
}
case TRUNCATE_DIRECTORY:
case CREATE_DIRECTORY:
@ -473,38 +481,22 @@ static int create_item(Item *i) {
if (r < 0 && errno != EEXIST) {
log_error("Failed to create directory %s: %m", i->path);
r = -errno;
goto finish;
return -errno;
}
if (stat(i->path, &st) < 0) {
log_error("stat(%s) failed: %m", i->path);
r = -errno;
goto finish;
return -errno;
}
if (!S_ISDIR(st.st_mode)) {
log_error("%s is not a directory.", i->path);
r = -EEXIST;
goto finish;
return -EEXIST;
}
if (i->mode_set)
if (chmod(i->path, i->mode) < 0) {
log_error("chmod(%s) failed: %m", i->path);
r = -errno;
goto finish;
}
if (i->uid_set || i->gid_set)
if (chown(i->path,
i->uid_set ? i->uid : (uid_t) -1,
i->gid_set ? i->gid : (gid_t) -1) < 0) {
log_error("chown(%s) failed: %m", i->path);
r = -errno;
goto finish;
}
r = item_set_perms(i);
if (r < 0)
return r;
break;
@ -516,51 +508,29 @@ static int create_item(Item *i) {
if (r < 0 && errno != EEXIST) {
log_error("Failed to create fifo %s: %m", i->path);
r = -errno;
goto finish;
return -errno;
}
if (stat(i->path, &st) < 0) {
log_error("stat(%s) failed: %m", i->path);
r = -errno;
goto finish;
return -errno;
}
if (!S_ISFIFO(st.st_mode)) {
log_error("%s is not a fifo.", i->path);
r = -EEXIST;
goto finish;
return -EEXIST;
}
if (i->mode_set)
if (chmod(i->path, i->mode) < 0) {
log_error("chmod(%s) failed: %m", i->path);
r = -errno;
goto finish;
}
if (i->uid_set || i->gid_set)
if (chown(i->path,
i->uid_set ? i->uid : (uid_t) -1,
i->gid_set ? i->gid : (gid_t) -1) < 0) {
log_error("chown(%s) failed: %m", i->path);
r = -errno;
goto finish;
}
r = item_set_perms(i);
if (r < 0)
return r;
break;
}
if ((r = label_fix(i->path, false)) < 0)
goto finish;
log_debug("%s created successfully.", i->path);
finish:
if (fd >= 0)
close_nointr_nofail(fd);
return r;
return 0;
}
static int remove_item_instance(Item *i, const char *instance) {