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dns_server: fix bind device issue

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This commit is contained in:
Nick Peng
2023-01-08 01:58:18 +08:00
parent 3ed8150ac6
commit e416a15684
1 changed files with 5 additions and 1 deletions
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6
src/dns_server.c
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@@ -5349,6 +5349,10 @@ static int _dns_create_socket(const char *host_ip, int type)
safe_strncpy(host_ip_device, host_ip, sizeof(host_ip_device)); safe_strncpy(host_ip_device, host_ip, sizeof(host_ip_device));
ifname = strstr(host_ip_device, "@"); ifname = strstr(host_ip_device, "@");
if (ifname) {
*(char *)ifname = '\0';
ifname++;
}
if (parse_ip(host_ip_device, ip, &port) == 0) { if (parse_ip(host_ip_device, ip, &port) == 0) {
host = ip; host = ip;
@@ -5388,7 +5392,7 @@ static int _dns_create_socket(const char *host_ip, int type)
if (ifname != NULL) { if (ifname != NULL) {
struct ifreq ifr; struct ifreq ifr;
memset(&ifr, 0, sizeof(struct ifreq)); memset(&ifr, 0, sizeof(struct ifreq));
safe_strncpy(ifr.ifr_name, ifname + 1, sizeof(ifr.ifr_name)); safe_strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
ioctl(fd, SIOCGIFINDEX, &ifr); ioctl(fd, SIOCGIFINDEX, &ifr);
if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, (void *)&ifr, sizeof(struct ifreq)) < 0) { if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, (void *)&ifr, sizeof(struct ifreq)) < 0) {
tlog(TLOG_ERROR, "bind socket to device %s faild, %s\n", ifr.ifr_name, strerror(errno)); tlog(TLOG_ERROR, "bind socket to device %s faild, %s\n", ifr.ifr_name, strerror(errno));