diff options
Diffstat (limited to 'usr.sbin/smtpd/parse.y')
| -rw-r--r-- | usr.sbin/smtpd/parse.y | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/usr.sbin/smtpd/parse.y b/usr.sbin/smtpd/parse.y index 450476bbe61..57ac7287132 100644 --- a/usr.sbin/smtpd/parse.y +++ b/usr.sbin/smtpd/parse.y @@ -1,4 +1,4 @@ -/* $OpenBSD: parse.y,v 1.74 2011/05/21 16:58:04 gilles Exp $ */ +/* $OpenBSD: parse.y,v 1.75 2011/05/22 21:03:14 gilles Exp $ */ /* * Copyright (c) 2008 Gilles Chehade <gilles@openbsd.org> @@ -28,7 +28,9 @@ #include <sys/param.h> #include <sys/socket.h> #include <sys/stat.h> +#include <sys/ioctl.h> +#include <net/if.h> #include <netinet/in.h> #include <arpa/inet.h> @@ -99,6 +101,7 @@ int interface(const char *, const char *, const char *, struct listenerlist *, int, in_port_t, u_int8_t); void set_localaddrs(void); int delaytonum(char *); +int is_if_in_group(const char *, const char *); typedef struct { union { @@ -1820,7 +1823,8 @@ interface(const char *s, const char *tag, const char *cert, fatal("getifaddrs"); for (p = ifap; p != NULL; p = p->ifa_next) { - if (strcmp(s, p->ifa_name) != 0) + if (strcmp(p->ifa_name, s) != 0 && + ! is_if_in_group(p->ifa_name, s)) continue; if ((h = calloc(1, sizeof(*h))) == NULL) @@ -1958,3 +1962,47 @@ delaytonum(char *str) bad: return (-1); } + +int +is_if_in_group(const char *ifname, const char *groupname) +{ + unsigned int len; + struct ifgroupreq ifgr; + struct ifg_req *ifg; + int s; + int ret = 0; + + if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) + err(1, "socket"); + + memset(&ifgr, 0, sizeof(ifgr)); + strlcpy(ifgr.ifgr_name, ifname, IFNAMSIZ); + if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) { + if (errno == EINVAL || errno == ENOTTY) + goto end; + err(1, "SIOCGIFGROUP"); + } + + len = ifgr.ifgr_len; + ifgr.ifgr_groups = + (struct ifg_req *)calloc(len/sizeof(struct ifg_req), + sizeof(struct ifg_req)); + if (ifgr.ifgr_groups == NULL) + err(1, "getifgroups"); + if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) + err(1, "SIOCGIFGROUP"); + + ifg = ifgr.ifgr_groups; + for (; ifg && len >= sizeof(struct ifg_req); ifg++) { + len -= sizeof(struct ifg_req); + if (strcmp(ifg->ifgrq_group, groupname) == 0) { + ret = 1; + break; + } + } + free(ifgr.ifgr_groups); + +end: + close(s); + return ret; +} |