| 1 |
diff -up ppp-2.4.5/pppd/ether.c.inc.eth ppp-2.4.5/pppd/ether.c.inc |
| 2 |
--- ppp-2.4.5/pppd/ether.c.inc.eth 2011-06-01 10:28:35.356139063 +0200 |
| 3 |
+++ ppp-2.4.5/pppd/ether.c.inc 2011-06-01 11:20:37.876897352 +0200 |
| 4 |
@@ -0,0 +1,46 @@ |
| 5 |
+#define PREF_ETH "eth" |
| 6 |
+#define PREF_EM "em" |
| 7 |
+ |
| 8 |
+static char *dev_file = "/proc/self/net/dev"; |
| 9 |
+ |
| 10 |
+/* |
| 11 |
+ * get_first_ethernet - return the name of the first ethernet-style |
| 12 |
+ * interface on this system. |
| 13 |
+ */ |
| 14 |
+char * |
| 15 |
+get_first_ethernet() |
| 16 |
+{ |
| 17 |
+ FILE *f; |
| 18 |
+ char buf[255], *dv, *smc; |
| 19 |
+ char pci[16]; |
| 20 |
+ |
| 21 |
+ memset(pci, 0, sizeof(pci)); |
| 22 |
+ if ((f = fopen(dev_file, "r")) != NULL) |
| 23 |
+ { |
| 24 |
+ // go through network dev file |
| 25 |
+ while (fgets (buf, sizeof(buf), f) != NULL) |
| 26 |
+ { |
| 27 |
+ // the line describes interface |
| 28 |
+ if ((smc = strchr(buf, ':')) != NULL) |
| 29 |
+ { |
| 30 |
+ // trim white characters |
| 31 |
+ for (dv=buf, *smc=0; *dv <= ' '; dv++) ; |
| 32 |
+ // is "eth" (originial ethernet name) or "em" (ethernet on board) |
| 33 |
+ if (!strncmp(dv, PREF_ETH, strlen(PREF_ETH)) || |
| 34 |
+ !strncmp(dv, PREF_EM, strlen(PREF_EM))) |
| 35 |
+ { |
| 36 |
+ return strdup(dv); |
| 37 |
+ } |
| 38 |
+ // remember the first pci NIC-card |
| 39 |
+ if (strlen(pci) == 0 && dv[0] == 'p' && isdigit(dv[1])) |
| 40 |
+ { |
| 41 |
+ strcpy(pci, dv); |
| 42 |
+ } |
| 43 |
+ } |
| 44 |
+ } |
| 45 |
+ fclose(f); |
| 46 |
+ } |
| 47 |
+ // return pci NIC-card or nil if no if name |
| 48 |
+ return strlen(pci) > 0 ? strdup(pci) : 0L; |
| 49 |
+} |
| 50 |
+ |
| 51 |
diff -up ppp-2.4.5/pppd/plugins/rp-pppoe/pppoe-discovery.c.eth ppp-2.4.5/pppd/plugins/rp-pppoe/pppoe-discovery.c |
| 52 |
--- ppp-2.4.5/pppd/plugins/rp-pppoe/pppoe-discovery.c.eth 2011-06-01 09:39:13.099343548 +0200 |
| 53 |
+++ ppp-2.4.5/pppd/plugins/rp-pppoe/pppoe-discovery.c 2011-06-01 11:41:02.188252304 +0200 |
| 54 |
@@ -47,6 +47,8 @@ |
| 55 |
#include <net/if_arp.h> |
| 56 |
#endif |
| 57 |
|
| 58 |
+#include "../../ether.c.inc" |
| 59 |
+ |
| 60 |
char *xstrdup(const char *s); |
| 61 |
void usage(void); |
| 62 |
|
| 63 |
@@ -686,7 +688,7 @@ int main(int argc, char *argv[]) |
| 64 |
|
| 65 |
/* default interface name */ |
| 66 |
if (!conn->ifName) |
| 67 |
- conn->ifName = strdup("eth0"); |
| 68 |
+ conn->ifName = get_first_ethernet(); |
| 69 |
|
| 70 |
conn->discoverySocket = -1; |
| 71 |
conn->sessionSocket = -1; |
| 72 |
diff -up ppp-2.4.5/pppd/sys-linux.c.eth ppp-2.4.5/pppd/sys-linux.c |
| 73 |
--- ppp-2.4.5/pppd/sys-linux.c.eth 2011-06-01 09:39:13.074343397 +0200 |
| 74 |
+++ ppp-2.4.5/pppd/sys-linux.c 2011-06-01 11:50:13.736565685 +0200 |
| 75 |
@@ -144,6 +144,8 @@ |
| 76 |
#include <sys/locks.h> |
| 77 |
#endif |
| 78 |
|
| 79 |
+#include "ether.c.inc" |
| 80 |
+ |
| 81 |
#ifdef INET6 |
| 82 |
#ifndef _LINUX_IN6_H |
| 83 |
/* |
| 84 |
@@ -1869,16 +1871,6 @@ get_if_hwaddr(u_char *addr, char *name) |
| 85 |
return ret; |
| 86 |
} |
| 87 |
|
| 88 |
-/* |
| 89 |
- * get_first_ethernet - return the name of the first ethernet-style |
| 90 |
- * interface on this system. |
| 91 |
- */ |
| 92 |
-char * |
| 93 |
-get_first_ethernet() |
| 94 |
-{ |
| 95 |
- return "eth0"; |
| 96 |
-} |
| 97 |
- |
| 98 |
/******************************************************************** |
| 99 |
* |
| 100 |
* Return user specified netmask, modified by any mask we might determine |
| 101 |
@@ -2783,6 +2775,7 @@ ether_to_eui64(eui64_t *p_eui64) |
| 102 |
struct ifreq ifr; |
| 103 |
int skfd; |
| 104 |
const unsigned char *ptr; |
| 105 |
+ char warn_msg[80]; |
| 106 |
|
| 107 |
skfd = socket_fd(PF_INET6, SOCK_DGRAM, 0); |
| 108 |
if(skfd == -1) |
| 109 |
@@ -2791,11 +2784,13 @@ ether_to_eui64(eui64_t *p_eui64) |
| 110 |
return 0; |
| 111 |
} |
| 112 |
|
| 113 |
- strcpy(ifr.ifr_name, "eth0"); |
| 114 |
+ strcpy(ifr.ifr_name, get_first_ethernet()); |
| 115 |
if(ioctl(skfd, SIOCGIFHWADDR, &ifr) < 0) |
| 116 |
{ |
| 117 |
close(skfd); |
| 118 |
- warn("could not obtain hardware address for eth0"); |
| 119 |
+ snprintf(warn_msg, sizeof(warn_msg), |
| 120 |
+ "could not obtain hardware address for %s", ifr.ifr_name); |
| 121 |
+ warn(warn_msg); |
| 122 |
return 0; |
| 123 |
} |
| 124 |
close(skfd); |
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