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udevadm/hwdb: Return non-zero exit code on error when --strict is used

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- Add a new flag --strict to tell udevadm hwdb to return a
   non-zero code on error.
 - Make udevadm hwdb --update return an error when any parsing
   error occurs (only if strict flag is set).
This commit is contained in:
Nicolas Boichat 2018-03-20 13:36:58 +08:00 committed by Nicolas Boichat
parent 4f4ef6a099
commit dd6f840e36
1 changed files with 20 additions and 5 deletions
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25
src/udev/udevadm-hwdb.c
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@ -450,6 +450,7 @@ static int import_file(struct udev *udev, struct trie *trie, const char *filenam
FILE *f;
char line[LINE_MAX];
struct udev_list match_list;
int r = 0, err;
udev_list_init(udev, &match_list, false);
@ -483,6 +484,7 @@ static int import_file(struct udev *udev, struct trie *trie, const char *filenam
if (line[0] == ' ') {
log_error("Error, MATCH expected but got '%s' in '%s':", line, filename);
r = -EINVAL;
break;
}
@ -494,6 +496,7 @@ static int import_file(struct udev *udev, struct trie *trie, const char *filenam
case HW_MATCH:
if (len == 0) {
log_error("Error, DATA expected but got empty line in '%s':", filename);
r = -EINVAL;
state = HW_NONE;
udev_list_cleanup(&match_list);
break;
@ -507,7 +510,9 @@ static int import_file(struct udev *udev, struct trie *trie, const char *filenam
/* first data */
state = HW_DATA;
insert_data(trie, &match_list, line, filename);
err = insert_data(trie, &match_list, line, filename);
if (err < 0)
r = err;
break;
case HW_DATA:
@ -520,19 +525,22 @@ static int import_file(struct udev *udev, struct trie *trie, const char *filenam
if (line[0] != ' ') {
log_error("Error, DATA expected but got '%s' in '%s':", line, filename);
r = -EINVAL;
state = HW_NONE;
udev_list_cleanup(&match_list);
break;
}
insert_data(trie, &match_list, line, filename);
err = insert_data(trie, &match_list, line, filename);
if (err < 0)
r = err;
break;
};
}
fclose(f);
udev_list_cleanup(&match_list);
return 0;
return r;
}
static void help(void) {
@ -540,6 +548,7 @@ static void help(void) {
" -h --help Print this message\n"
" -V --version Print version of the program\n"
" -u --update Update the hardware database\n"
" -s --strict When updating, return non-zero exit value on any parsing error\n"
" --usr Generate in " UDEVLIBEXECDIR " instead of /etc/udev\n"
" -t --test=MODALIAS Query database and print result\n"
" -r --root=PATH Alternative root path in the filesystem\n\n"
@ -557,6 +566,7 @@ static int adm_hwdb(struct udev *udev, int argc, char *argv[]) {
static const struct option options[] = {
{ "update", no_argument, NULL, 'u' },
{ "usr", no_argument, NULL, ARG_USR },
{ "strict", no_argument, NULL, 's' },
{ "test", required_argument, NULL, 't' },
{ "root", required_argument, NULL, 'r' },
{ "version", no_argument, NULL, 'V' },
@ -570,8 +580,9 @@ static int adm_hwdb(struct udev *udev, int argc, char *argv[]) {
struct trie *trie = NULL;
int err, c;
int rc = EXIT_SUCCESS;
bool strict = false;
while ((c = getopt_long(argc, argv, "ut:r:Vh", options, NULL)) >= 0)
while ((c = getopt_long(argc, argv, "ust:r:Vh", options, NULL)) >= 0)
switch(c) {
case 'u':
update = true;
@ -579,6 +590,9 @@ static int adm_hwdb(struct udev *udev, int argc, char *argv[]) {
case ARG_USR:
hwdb_bin_dir = UDEVLIBEXECDIR;
break;
case 's':
strict = true;
break;
case 't':
test = optarg;
break;
@ -635,7 +649,8 @@ static int adm_hwdb(struct udev *udev, int argc, char *argv[]) {
}
STRV_FOREACH(f, files) {
log_debug("reading file '%s'", *f);
import_file(udev, trie, *f);
if (import_file(udev, trie, *f) < 0 && strict)
rc = EXIT_FAILURE;
}
strv_free(files);