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wg-quick: android: do not free iterated pointer

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2020-09-15 16:19:49 +02:00
parent 7a321ce808
commit 265e81a344
1 changed files with 8 additions and 7 deletions
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15
src/wg-quick/android.c
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@ -785,6 +785,7 @@ static uid_t *get_uid_list(const char *selected_applications)
static void set_users(unsigned int netid, const char *excluded_applications, const char *included_applications) static void set_users(unsigned int netid, const char *excluded_applications, const char *included_applications)
{ {
_cleanup_free_ uid_t *uids = NULL; _cleanup_free_ uid_t *uids = NULL;
uid_t *uid;
unsigned int args_per_command = 0; unsigned int args_per_command = 0;
_cleanup_free_ char *ranges = NULL; _cleanup_free_ char *ranges = NULL;
char range[22]; char range[22];
@ -796,14 +797,14 @@ static void set_users(unsigned int netid, const char *excluded_applications, con
} }
if (excluded_applications || !included_applications) { if (excluded_applications || !included_applications) {
uids = get_uid_list(excluded_applications); uid = uids = get_uid_list(excluded_applications);
for (start = 0; *uids; start = *uids + 1, ++uids) { for (start = 0; *uid; start = *uid + 1, ++uid) {
if (start > *uids - 1) if (start > *uid - 1)
continue; continue;
else if (start == *uids - 1) else if (start == *uid - 1)
snprintf(range, sizeof(range), "%u", start); snprintf(range, sizeof(range), "%u", start);
else else
snprintf(range, sizeof(range), "%u-%u", start, *uids - 1); snprintf(range, sizeof(range), "%u-%u", start, *uid - 1);
ranges = concat_and_free(ranges, " ", range); ranges = concat_and_free(ranges, " ", range);
if (++args_per_command % 18 == 0) { if (++args_per_command % 18 == 0) {
cndc("network users add %u %s", netid, ranges); cndc("network users add %u %s", netid, ranges);
@ -816,8 +817,8 @@ static void set_users(unsigned int netid, const char *excluded_applications, con
ranges = concat_and_free(ranges, " ", range); ranges = concat_and_free(ranges, " ", range);
} }
} else { } else {
for (uids = get_uid_list(included_applications); *uids; ++uids) { for (uid = uids = get_uid_list(included_applications); *uid; ++uid) {
snprintf(range, sizeof(range), "%u", *uids); snprintf(range, sizeof(range), "%u", *uid);
ranges = concat_and_free(ranges, " ", range); ranges = concat_and_free(ranges, " ", range);
if (++args_per_command % 18 == 0) { if (++args_per_command % 18 == 0) {
cndc("network users add %u %s", netid, ranges); cndc("network users add %u %s", netid, ranges);