chiark / gitweb /
udev: net_setup - allow matching on OriginalName=
[elogind.git] / src / libsystemd-network / network-internal.c
index e209b0f56e6db0e72265dca7b0a64bd3606cadb6..b90fd1ccc8f656438c30c4480431eb7813cfb53a 100644 (file)
 #include "strv.h"
 #include "siphash24.h"
 #include "libudev-private.h"
-#include "network-internal.h"
 #include "dhcp-lease-internal.h"
 #include "log.h"
 #include "utf8.h"
 #include "util.h"
 #include "conf-parser.h"
 #include "condition.h"
+#include "network-internal.h"
 
 const char *net_get_name(struct udev_device *device) {
-        const char *name = NULL, *field = NULL;
+        const char *name, *field;
 
         assert(device);
 
         /* fetch some persistent data unique (on this machine) to this device */
-        FOREACH_STRING(field, "ID_NET_NAME_ONBOARD", "ID_NET_NAME_SLOT",
-                       "ID_NET_NAME_PATH", "ID_NET_NAME_MAC") {
+        FOREACH_STRING(field, "ID_NET_NAME_ONBOARD", "ID_NET_NAME_SLOT", "ID_NET_NAME_PATH", "ID_NET_NAME_MAC") {
                 name = udev_device_get_property_value(device, field);
                 if (name)
-                        break;
+                        return name;
         }
 
-        return name;
+        return NULL;
 }
 
 #define HASH_KEY SD_ID128_MAKE(d3,1e,48,fa,90,fe,4b,4c,9d,af,d5,d7,a1,b1,2e,8a)
@@ -97,46 +96,47 @@ bool net_match_config(const struct ether_addr *match_mac,
                       const char *dev_parent_driver,
                       const char *dev_driver,
                       const char *dev_type,
-                      const char *dev_name) {
+                      const char *dev_name,
+                      bool ignore_name_match) {
 
-        if (match_host && !condition_test_host(match_host))
-                return 0;
+        if (match_host && !condition_test(match_host))
+                return false;
 
-        if (match_virt && !condition_test_virtualization(match_virt))
-                return 0;
+        if (match_virt && !condition_test(match_virt))
+                return false;
 
-        if (match_kernel && !condition_test_kernel_command_line(match_kernel))
-                return 0;
+        if (match_kernel && !condition_test(match_kernel))
+                return false;
 
-        if (match_arch && !condition_test_architecture(match_arch))
-                return 0;
+        if (match_arch && !condition_test(match_arch))
+                return false;
 
         if (match_mac && (!dev_mac || memcmp(match_mac, dev_mac, ETH_ALEN)))
-                return 0;
+                return false;
 
         if (match_path && (!dev_path || fnmatch(match_path, dev_path, 0)))
-                return 0;
+                return false;
 
         if (match_driver) {
                 if (dev_parent_driver && !streq(match_driver, dev_parent_driver))
-                        return 0;
+                        return false;
                 else if (!streq_ptr(match_driver, dev_driver))
-                        return 0;
+                        return false;
         }
 
         if (match_type && !streq_ptr(match_type, dev_type))
-                return 0;
-
-        if (match_name && (!dev_name || fnmatch(match_name, dev_name, 0)))
-                return 0;
-
-        return 1;
-}
-
-unsigned net_netmask_to_prefixlen(const struct in_addr *addr) {
-        assert(addr);
+                return false;
+
+        if (match_name) {
+                if (!dev_name || fnmatch(match_name, dev_name, 0))
+                        return false;
+                else if (ignore_name_match) {
+                        log_warning("ifname (%s) matched config, but is ignored as it is not the original name", dev_name);
+                        return false;
+                }
+        }
 
-        return 32 - u32ctz(be32toh(addr->s_addr));
+        return true;
 }
 
 int config_parse_net_condition(const char *unit,
@@ -206,7 +206,6 @@ int config_parse_ifname(const char *unit,
         if (!ascii_is_valid(n) || strlen(n) >= IFNAMSIZ) {
                 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
                            "Interface name is not ASCII clean or is too long, ignoring assignment: %s", rvalue);
-                free(n);
                 return 0;
         }
 
@@ -304,62 +303,22 @@ int config_parse_hwaddr(const char *unit,
         return 0;
 }
 
-int net_parse_inaddr(const char *address, unsigned char *family, void *dst) {
-        int r;
-
-        assert(address);
-        assert(family);
-        assert(dst);
-
-        /* IPv4 */
-        r = inet_pton(AF_INET, address, dst);
-        if (r > 0) {
-                /* succsefully parsed IPv4 address */
-                if (*family == AF_UNSPEC)
-                        *family = AF_INET;
-                else if (*family != AF_INET)
-                        return -EINVAL;
-        } else  if (r < 0)
-                return -errno;
-        else {
-                /* not an IPv4 address, so let's try IPv6 */
-                r = inet_pton(AF_INET6, address, dst);
-                if (r > 0) {
-                        /* successfully parsed IPv6 address */
-                        if (*family == AF_UNSPEC)
-                                *family = AF_INET6;
-                        else if (*family != AF_INET6)
-                                return -EINVAL;
-                } else if (r < 0)
-                        return -errno;
-                else
-                        return -EINVAL;
-        }
-
-        return 0;
-}
-
-void serialize_in_addrs(FILE *f, const char *key, const struct in_addr *addresses, size_t size) {
+void serialize_in_addrs(FILE *f, const struct in_addr *addresses, size_t size) {
         unsigned i;
 
         assert(f);
-        assert(key);
         assert(addresses);
         assert(size);
 
-        fprintf(f, "%s=", key);
-
         for (i = 0; i < size; i++)
                 fprintf(f, "%s%s", inet_ntoa(addresses[i]),
                         (i < (size - 1)) ? " ": "");
-
-        fputs("\n", f);
 }
 
 int deserialize_in_addrs(struct in_addr **ret, const char *string) {
         _cleanup_free_ struct in_addr *addresses = NULL;
         int size = 0;
-        char *word, *state;
+        const char *word, *state;
         size_t len;
 
         assert(ret);
@@ -396,7 +355,7 @@ int deserialize_in_addrs(struct in_addr **ret, const char *string) {
 int deserialize_in6_addrs(struct in6_addr **ret, const char *string) {
         _cleanup_free_ struct in6_addr *addresses = NULL;
         int size = 0;
-        char *word, *state;
+        const char *word, *state;
         size_t len;
 
         assert(ret);
@@ -451,7 +410,7 @@ void serialize_dhcp_routes(FILE *f, const char *key, struct sd_dhcp_route *route
 int deserialize_dhcp_routes(struct sd_dhcp_route **ret, size_t *ret_size, size_t *ret_allocated, const char *string) {
         _cleanup_free_ struct sd_dhcp_route *routes = NULL;
         size_t size = 0, allocated = 0;
-        char *word, *state;
+        const char *word, *state;
         size_t len;
 
         assert(ret);