From: Vadim Kochan <[email protected]>
Date: Sat, 10 Jan 2015 00:35:10 +0200
Added error messages which caused the error
state of the socket functions, so it makes message like:
$ ./netsniff-ng/netsniff-ng -i wlp3s0
Creation of PF socket failed: Operation not permitted
more understandable.
Signed-off-by: Vadim Kochan <[email protected]>
---
sock.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/sock.c b/sock.c
index 6c973ed..fbf50d8 100644
--- a/sock.c
+++ b/sock.c
@@ -19,7 +19,7 @@ int af_socket(int af)
sock = socket(af, SOCK_DGRAM, 0);
if (unlikely(sock < 0))
- panic("Creation AF socket failed!\n");
+ panic("Creation AF socket failed: %s\n", strerror(errno));
return sock;
}
@@ -28,7 +28,7 @@ int pf_socket(void)
{
int sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
if (unlikely(sock < 0))
- panic("Creation of PF socket failed!\n");
+ panic("Creation of PF socket failed: %s\n", strerror(errno));
return sock;
}
@@ -37,7 +37,7 @@ int pf_tx_socket(void)
{
int sock = socket(PF_PACKET, SOCK_RAW, 0);
if (unlikely(sock < 0))
- panic("Creation of PF TX socket failed!\n");
+ panic("Creation of PF TX socket failed: %s\n", strerror(errno));
return sock;
}
@@ -67,14 +67,14 @@ void set_sock_prio(int fd, int prio)
ret = setsockopt(fd, SOL_SOCKET, SO_PRIORITY, &val, sizeof(val));
if (unlikely(ret))
- panic("Cannot set socket priority!\n");
+ panic("Cannot set socket priority: %s\n", strerror(errno));
}
void set_nonblocking(int fd)
{
int ret = fcntl(fd, F_SETFL, fcntl(fd, F_GETFD, 0) | O_NONBLOCK);
if (unlikely(ret < 0))
- panic("Cannot fcntl!\n");
+ panic("Cannot fcntl: %s\n", strerror(errno));
}
int set_nonblocking_sloppy(int fd)
@@ -88,7 +88,7 @@ void set_socket_keepalive(int fd)
ret = setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &one, sizeof(one));
if (unlikely(ret))
- panic("Cannot set TCP keepalive!\n");
+ panic("Cannot set TCP keepalive: %s\n", strerror(errno));
}
void set_tcp_nodelay(int fd)
@@ -97,7 +97,7 @@ void set_tcp_nodelay(int fd)
ret = setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &one, sizeof(one));
if (unlikely(ret))
- panic("Cannot set TCP nodelay!\n");
+ panic("Cannot set TCP nodelay: %s\n", strerror(errno));
}
int set_ipv6_only(int fd)
@@ -112,7 +112,7 @@ int set_reuseaddr(int fd)
ret = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
if (unlikely(ret < 0))
- panic("Cannot reuse addr!\n");
+ panic("Cannot reuse addr: %s\n", strerror(errno));
return 0;
}
@@ -123,7 +123,7 @@ void set_mtu_disc_dont(int fd)
ret = setsockopt(fd, SOL_IP, IP_MTU_DISCOVER, &mtu, sizeof(mtu));
if (unlikely(ret))
- panic("Cannot set MTU discovery options!\n");
+ panic("Cannot set MTU discovery options: %s\n",
strerror(errno));
}
enum {
--
2.1.3
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