diff options
Diffstat (limited to 'accel-pppd/ifcfg.c')
| -rw-r--r-- | accel-pppd/ifcfg.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/accel-pppd/ifcfg.c b/accel-pppd/ifcfg.c index b2cb0db3..a101d475 100644 --- a/accel-pppd/ifcfg.c +++ b/accel-pppd/ifcfg.c @@ -321,7 +321,25 @@ int __export ap_session_rename(struct ap_session *ses, const char *ifname, int l else log_ppp_warn("interface rename to %s failed: %s\n", ifr.ifr_newname, strerror(errno)); } else { - log_ppp_info2("rename interface to '%s'\n", ifr.ifr_newname); + /* required since 2.6.27 */ + if (strchr(ifr.ifr_newname, '%')) { + ifr.ifr_ifindex = ses->ifindex; + r = net->sock_ioctl(SIOCGIFNAME, &ifr); + if (r) { + log_ppp_error("failed to get new interface name: %s\n", strerror(errno)); + return -1; + } + len = strnlen(ifr.ifr_name, IFNAMSIZ); + if (len >= IFNAMSIZ) { + log_ppp_error("cannot rename interface (name is too long)\n"); + return -1; + } + ifr.ifr_name[len] = 0; + ifname = ifr.ifr_name; + } else + ifname = ifr.ifr_newname; + + log_ppp_info2("rename interface to '%s'\n", ifname); memcpy(ses->ifname, ifname, len); ses->ifname[len] = 0; } |