SHA256
1
0
forked from pool/systemd
Dr. Werner Fink 2014-02-26 15:16:45 +00:00 committed by Git OBS Bridge
parent 3348d5de1b
commit 9b0c083ced

View File

@ -66,140 +66,140 @@ NFS share is added as "After=" dependency to the <nfs-share-mount-point>.mount.
+
+_pure_ static unsigned int mask2prefix(const void* ipv6)
+{
+ unsigned int nippels = 0;
+ unsigned int i;
+ unsigned int nippels = 0;
+ unsigned int i;
+
+ assert(ipv6);
+ assert(ipv6);
+
+ for (i = 0; i < sizeof(struct in6_addr); i++) {
+ uint8_t byte = ((const uint8_t*)ipv6)[i];
+ if (byte == 0xFF) {
+ nippels += sizeof(uint8_t);
+ continue;
+ }
+ while (byte & 0x80) {
+ nippels++;
+ byte <<= 1;
+ }
+ break;
+ }
+ for (i = 0; i < sizeof(struct in6_addr); i++) {
+ uint8_t byte = ((const uint8_t*)ipv6)[i];
+ if (byte == 0xFF) {
+ nippels += sizeof(uint8_t);
+ continue;
+ }
+ while (byte & 0x80) {
+ nippels++;
+ byte <<= 1;
+ }
+ break;
+ }
+
+ return nippels;
+ return nippels;
+}
+
+static void netmask(unsigned int prefix, const void* in6, void* out6)
+{
+ unsigned int nippels;
+ unsigned int i;
+ unsigned int nippels;
+ unsigned int i;
+
+ assert(in6);
+ assert(out6);
+ assert(in6);
+ assert(out6);
+
+ for (i = 0; i < sizeof(struct in6_addr); i++) {
+ nippels = (prefix < sizeof(uint8_t)) ? prefix : sizeof(uint8_t);
+ ((uint8_t*)out6)[i] = ((const uint8_t*)in6)[i] & (0xFF00>>nippels);
+ prefix -= nippels;
+ }
+ for (i = 0; i < sizeof(struct in6_addr); i++) {
+ nippels = (prefix < sizeof(uint8_t)) ? prefix : sizeof(uint8_t);
+ ((uint8_t*)out6)[i] = ((const uint8_t*)in6)[i] & (0xFF00>>nippels);
+ prefix -= nippels;
+ }
+}
+
+char *host2iface(const char *ip)
+{
+ const struct ifaddrs *ifa;
+ uint32_t ip4 = 0;
+ char *ret = NULL;
+ struct search {
+ union {
+ struct in_addr addr;
+ struct in6_addr addr6;
+ };
+ int family;
+ } host;
+ int r;
+ const struct ifaddrs *ifa;
+ uint32_t ip4 = 0;
+ char *ret = NULL;
+ struct search {
+ union {
+ struct in_addr addr;
+ struct in6_addr addr6;
+ };
+ int family;
+ } host;
+ int r;
+
+ if (!ifa_list && (getifaddrs(&ifa_list) < 0)) {
+ log_oom();
+ goto err;
+ }
+ if (!ifa_list && (getifaddrs(&ifa_list) < 0)) {
+ log_oom();
+ goto err;
+ }
+
+ if (strchr(ip, ':')) {
+ r = inet_pton(AF_INET6, ip, &host.addr6);
+ host.family = AF_INET6;
+ } else {
+ r = inet_pton(AF_INET, ip, &host.addr);
+ host.family = AF_INET;
+ }
+ if (strchr(ip, ':')) {
+ r = inet_pton(AF_INET6, ip, &host.addr6);
+ host.family = AF_INET6;
+ } else {
+ r = inet_pton(AF_INET, ip, &host.addr);
+ host.family = AF_INET;
+ }
+
+ if (r < 0) {
+ log_error("Failed to convert IP address %s from text to binary: %m", ip);
+ goto err;
+ }
+ if (r < 0) {
+ log_error("Failed to convert IP address %s from text to binary: %m", ip);
+ goto err;
+ }
+
+ for (ifa = ifa_list; ifa != NULL; ifa = ifa->ifa_next) {
+ for (ifa = ifa_list; ifa != NULL; ifa = ifa->ifa_next) {
+
+ if (!ifa->ifa_addr)
+ continue;
+ if (ifa->ifa_flags & IFF_POINTOPOINT)
+ continue;
+ if (!ifa->ifa_addr)
+ continue;
+ if (!ifa->ifa_netmask)
+ continue;
+ if (!ifa->ifa_addr)
+ continue;
+ if (ifa->ifa_flags & IFF_POINTOPOINT)
+ continue;
+ if (!ifa->ifa_addr)
+ continue;
+ if (!ifa->ifa_netmask)
+ continue;
+
+ if (ifa->ifa_addr->sa_family == AF_INET) {
+ uint32_t addr, dest, mask;
+ if (ifa->ifa_addr->sa_family == AF_INET) {
+ uint32_t addr, dest, mask;
+
+ if (host.family != AF_INET)
+ continue;
+ if (!ifa->ifa_broadaddr)
+ continue;
+ if (host.family != AF_INET)
+ continue;
+ if (!ifa->ifa_broadaddr)
+ continue;
+
+ if (!ip4)
+ ip4 = (uint32_t)ntohl(host.addr.s_addr);
+ if (!ip4)
+ ip4 = (uint32_t)ntohl(host.addr.s_addr);
+
+ addr = (uint32_t)ntohl(((struct sockaddr_in*)ifa->ifa_addr)->sin_addr.s_addr);
+ if ((addr & 0xFF000000) == 0x7F000000) /* IPV4 loopback */
+ continue;
+ addr = (uint32_t)ntohl(((struct sockaddr_in*)ifa->ifa_addr)->sin_addr.s_addr);
+ if ((addr & 0xFF000000) == 0x7F000000) /* IPV4 loopback */
+ continue;
+
+ mask = (uint32_t)ntohl(((struct sockaddr_in*)ifa->ifa_netmask)->sin_addr.s_addr);
+ dest = (uint32_t)ntohl(((struct sockaddr_in*)ifa->ifa_broadaddr)->sin_addr.s_addr);
+ if ((ip4 & mask) != (dest & mask))
+ continue;
+ mask = (uint32_t)ntohl(((struct sockaddr_in*)ifa->ifa_netmask)->sin_addr.s_addr);
+ dest = (uint32_t)ntohl(((struct sockaddr_in*)ifa->ifa_broadaddr)->sin_addr.s_addr);
+ if ((ip4 & mask) != (dest & mask))
+ continue;
+
+ ret = ifa->ifa_name;
+ break;
+ } else if (ifa->ifa_addr->sa_family == AF_INET6) {
+ struct in6_addr *addr, *mask, dest, ip6;
+ unsigned int prefix;
+ ret = ifa->ifa_name;
+ break;
+ } else if (ifa->ifa_addr->sa_family == AF_INET6) {
+ struct in6_addr *addr, *mask, dest, ip6;
+ unsigned int prefix;
+
+ if (host.family != AF_INET6)
+ continue;
+ if (host.family != AF_INET6)
+ continue;
+
+ addr = &((struct sockaddr_in6*)ifa->ifa_addr)->sin6_addr;
+ mask = &((struct sockaddr_in6*)ifa->ifa_netmask)->sin6_addr;
+ prefix = mask2prefix(mask);
+ addr = &((struct sockaddr_in6*)ifa->ifa_addr)->sin6_addr;
+ mask = &((struct sockaddr_in6*)ifa->ifa_netmask)->sin6_addr;
+ prefix = mask2prefix(mask);
+
+ netmask(prefix, addr, &dest);
+ netmask(prefix, &host.addr6, &ip6);
+ netmask(prefix, addr, &dest);
+ netmask(prefix, &host.addr6, &ip6);
+
+ if (memcmp(&dest, &ip6, sizeof(struct in6_addr)) != 0)
+ continue;
+ if (memcmp(&dest, &ip6, sizeof(struct in6_addr)) != 0)
+ continue;
+
+ ret = ifa->ifa_name;
+ break;
+ }
+ }
+ ret = ifa->ifa_name;
+ break;
+ }
+ }
+err:
+ return ret;
+ return ret;
+}
+
+void freeroutes(void)
+{
+ if (ifa_list)
+ freeifaddrs(ifa_list);
+ ifa_list = NULL;
+ if (ifa_list)
+ freeifaddrs(ifa_list);
+ ifa_list = NULL;
+}
--- systemd-208/src/core/mount-iface.h
+++ systemd-208/src/core/mount-iface.h 2014-02-26 11:08:19.797906189 +0100
+++ systemd-208/src/core/mount-iface.h 2014-02-26 11:08:19.797906189 +0100
@@ -0,0 +1,25 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+