diff options
| author | Jan Engelhardt <jengelh@medozas.de> | 2010-02-09 15:59:13 +0100 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2010-02-09 15:59:13 +0100 |
| commit | fcf5723f415c81fcb2c93094cdcc39b35a316ff2 (patch) | |
| tree | b3e5952940415cc23e1ad074a9f1c3e8ef3cf598 | |
| parent | 350661a6eb089f3e54e67e022db9e16ea280499f (diff) | |
Lift restrictions on interface names
The kernel has few restrictions.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
| -rw-r--r-- | xtables.c | 11 |
1 files changed, 5 insertions, 6 deletions
@@ -450,7 +450,7 @@ u_int16_t xtables_parse_port(const char *port, const char *proto) void xtables_parse_interface(const char *arg, char *vianame, unsigned char *mask) { - int vialen = strlen(arg); + unsigned int vialen = strlen(arg); unsigned int i; memset(mask, 0, IFNAMSIZ); @@ -462,7 +462,7 @@ void xtables_parse_interface(const char *arg, char *vianame, " (%i)", arg, IFNAMSIZ-1); strcpy(vianame, arg); - if ((vialen == 0) || (vialen == 1 && vianame[0] == '+')) + if (vialen == 0) memset(mask, 0, IFNAMSIZ); else if (vianame[vialen - 1] == '+') { memset(mask, 0xFF, vialen - 1); @@ -473,12 +473,11 @@ void xtables_parse_interface(const char *arg, char *vianame, memset(mask, 0xFF, vialen + 1); memset(mask + vialen + 1, 0, IFNAMSIZ - vialen - 1); for (i = 0; vianame[i]; i++) { - if (vianame[i] == ':' || - vianame[i] == '!' || - vianame[i] == '*') { + if (vianame[i] == '/' || + vianame[i] == ' ') { fprintf(stderr, "Warning: weird character in interface" - " `%s' (No aliases, :, ! or *).\n", + " `%s' ('/' and ' ' are not allowed by the kernel).\n", vianame); break; } |