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- From 37b2dda9b1d62eb91028f6d590beddd36f7b79c8 Mon Sep 17 00:00:00 2001
- From: Nathan Samson <nathan@nathansamson.be>
- Date: Mon, 1 Feb 2016 21:37:22 +0100
- Subject: [PATCH] Modify get ip from iface method.
-
- This used to use a RAW socket, while now it used a DGRAM socket.
- Previously it failed with operation not permitted, while this version
- seems to work reliably.
-
- diff --git a/src/util.c b/src/util.c
- index 46ec5a2..426ba13 100644
- --- a/src/util.c
- +++ b/src/util.c
- @@ -174,11 +174,13 @@ get_iface_ip(const char *ifname)
- u_int32_t ip;
-
- /* Create a socket */
- - if ((sockd = socket(AF_INET, SOCK_RAW, htons(0x8086))) < 0) {
- + if ((sockd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
- debug(LOG_ERR, "socket(): %s", strerror(errno));
- return NULL;
- }
-
- + /* I want to get an IPv4 IP address */
- + if_data.ifr_addr.sa_family = AF_INET;
- /* Get IP of internal interface */
- strncpy(if_data.ifr_name, ifname, 15);
- if_data.ifr_name[15] = '\0';
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