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authorThierry Vignaud <tvignaud@mandriva.org>2003-11-03 13:25:20 +0000
committerThierry Vignaud <tvignaud@mandriva.org>2003-11-03 13:25:20 +0000
commit4dc3ecdfa9e591fbd9482a9c0b24f3217a3ec7e3 (patch)
tree9ad260c6bb1344692f63568002dfb31ca23e096c /perl-install/c/stuff.xs.pl
parente01c59488b87ae069d07532b1a356c56cc8a2ef6 (diff)
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ask the kernel the list of network devices instead of manually probing
everything (this enable to handle more than 4 ethernet cards)
Diffstat (limited to 'perl-install/c/stuff.xs.pl')
-rw-r--r--perl-install/c/stuff.xs.pl45
1 files changed, 33 insertions, 12 deletions
diff --git a/perl-install/c/stuff.xs.pl b/perl-install/c/stuff.xs.pl
index ca73bfb65..422c96069 100644
--- a/perl-install/c/stuff.xs.pl
+++ b/perl-install/c/stuff.xs.pl
@@ -395,20 +395,41 @@ usb_probe()
unsigned int
getpagesize()
-int
-hasNetDevice(device)
- char * device
- CODE:
- struct ifreq req;
- int s = socket(AF_INET, SOCK_DGRAM, 0);
- if (s == -1) { RETVAL = 0; return; }
+void
+getNetInterfaces()
+ PPCODE:
+ struct ifconf ifc;
+ struct ifreq *ifr;
+ int fd, n;
+
+ if ((fd = socket (PF_INET, SOCK_DGRAM, 0)) == -1) {
+ perror("getNetInterfaces() >> creating socket");
+ XSRETURN_EMPTY;
+ }
- strcpy(req.ifr_name, device);
+ // SIOCGIFCOUNT is unimplemented, let\'s call SIOCGIFCONF(0) to get number of interfaces
+ ifc.ifc_len = 0; ifc.ifc_buf = NULL; ifc.ifc_req = NULL;
+ if (ioctl (fd, SIOCGIFCONF, &ifc) == -1) {
+ perror("getNetInterfaces() >> SIOCGIFCONF(0)");
+ XSRETURN_EMPTY;
+ }
+
+ // allocate enough space
+ n = ifc.ifc_len / sizeof (struct ifreq);
+ New (0xbad, ifr, ifc.ifc_len, struct ifreq);
+
+ // Get the network interfaces list
+ ifc.ifc_req = ifr;
+ if (ioctl (fd, SIOCGIFCONF, &ifc) == -1) {
+ perror("getNetInterfaces() >> SIOCGIFCONF()");
+ XSRETURN_EMPTY;
+ }
+
+ EXTEND(SP, n);
+ for (; n; --n, ++ifr)
+ PUSHs(sv_2mortal(newSVpv(ifr->ifr_name, 0)));
+ Safefree (ifc.ifc_req);
- RETVAL = ioctl(s, SIOCGIFFLAGS, &req) == 0;
- close(s);
- OUTPUT:
- RETVAL
int
addDefaultRoute(gateway)