diff options
Diffstat (limited to 'src/basic/socket-util.c')
-rw-r--r-- | src/basic/socket-util.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/basic/socket-util.c b/src/basic/socket-util.c index 17e90a8994..e5847dce00 100644 --- a/src/basic/socket-util.c +++ b/src/basic/socket-util.c @@ -900,6 +900,26 @@ bool ifname_valid(const char *p) { return true; } +bool address_label_valid(const char *p) { + + if (isempty(p)) + return false; + + if (strlen(p) >= IFNAMSIZ) + return false; + + while (*p) { + if ((uint8_t) *p >= 127U) + return false; + + if ((uint8_t) *p <= 31U) + return false; + p++; + } + + return true; +} + int getpeercred(int fd, struct ucred *ucred) { socklen_t n = sizeof(struct ucred); struct ucred u; |