diff options
| -rw-r--r-- | networking/ping.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/networking/ping.c b/networking/ping.c index 5e4771f..5d71fe8 100644 --- a/networking/ping.c +++ b/networking/ping.c @@ -168,9 +168,22 @@ create_icmp_socket(void) #endif sock = socket(AF_INET, SOCK_RAW, 1); /* 1 == ICMP */ if (sock < 0) { - if (errno == EPERM) - bb_error_msg_and_die(bb_msg_perm_denied_are_you_root); - bb_perror_msg_and_die(bb_msg_can_not_create_raw_socket); + if (errno != EPERM) + bb_perror_msg_and_die(bb_msg_can_not_create_raw_socket); +#if defined(__linux__) || defined(__APPLE__) + /* We don't have root privileges. Try SOCK_DGRAM instead. + * Linux needs net.ipv4.ping_group_range for this to work. + * MacOSX allows ICMP_ECHO, ICMP_TSTAMP or ICMP_MASKREQ + */ +#if ENABLE_PING6 + if (lsa->u.sa.sa_family == AF_INET6) + sock = socket(AF_INET6, SOCK_DGRAM, IPPROTO_ICMPV6); + else +#endif + sock = socket(AF_INET, SOCK_DGRAM, 1); /* 1 == ICMP */ + if (sock < 0) +#endif + bb_error_msg_and_die(bb_msg_perm_denied_are_you_root); } xmove_fd(sock, pingsock); |