diff options
Diffstat (limited to 'lib/libnet/ping.c')
| -rw-r--r-- | lib/libnet/ping.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/lib/libnet/ping.c b/lib/libnet/ping.c index 3da519f..edad5eb 100644 --- a/lib/libnet/ping.c +++ b/lib/libnet/ping.c @@ -106,8 +106,7 @@ parse_args(const char *args, struct ping_args *ping_args) return 0; } -int -ping(int argc, char *argv[]) +int ping(char *args_fs, int alen) { short arp_failed = 0; filename_ip_t fn_ip; @@ -115,15 +114,20 @@ ping(int argc, char *argv[]) struct ping_args ping_args; uint8_t own_mac[6]; uint32_t netmask; + char args[256]; memset(&ping_args, 0, sizeof(struct ping_args)); - if (argc == 2) { - if (parse_args(argv[1], &ping_args)) { - usage(); - return -1; - } - } else { + if (alen <= 0 && alen >= sizeof(args) - 1) { + usage(); + return -1; + } + + /* Convert forth string into NUL-terminated C-string */ + memcpy(args, args_fs, alen); + args[alen] = 0; + + if (parse_args(args, &ping_args)) { usage(); return -1; } |