X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fsocket-util.c;h=e6e3784bc5774a351d702b84376beabd481d2f01;hb=b5f776cee9afc14e6c4b945be0576ab3b27e33b7;hp=4a1b3d8b515536e97fd0b186ceeed5d8ab276a32;hpb=27ca8d7a250915b290cf89c195e383a8abab35d5;p=elogind.git

diff --git a/src/socket-util.c b/src/socket-util.c
index 4a1b3d8b5..e6e3784bc 100644
--- a/src/socket-util.c
+++ b/src/socket-util.c
@@ -33,6 +33,7 @@
 #include "macro.h"
 #include "util.h"
 #include "socket-util.h"
+#include "missing.h"
 
 int socket_address_parse(SocketAddress *a, const char *s) {
         int r;
@@ -100,7 +101,7 @@ int socket_address_parse(SocketAddress *a, const char *s) {
 
                 a->sockaddr.un.sun_family = AF_UNIX;
                 memcpy(a->sockaddr.un.sun_path+1, s+1, l);
-                a->size = sizeof(struct sockaddr_un);
+                a->size = sizeof(sa_family_t) + 1 + l;
 
         } else {
 
@@ -197,11 +198,7 @@ int socket_address_verify(const SocketAddress *a) {
 
                         if (a->size > sizeof(sa_family_t)) {
 
-                                if (a->sockaddr.un.sun_path[0] == 0) {
-                                        /* abstract */
-                                        if (a->size != sizeof(struct sockaddr_un))
-                                                return -EINVAL;
-                                } else {
+                                if (a->sockaddr.un.sun_path[0] != 0) {
                                         char *e;
 
                                         /* path */
@@ -305,6 +302,7 @@ int socket_address_listen(
                 int backlog,
                 SocketAddressBindIPv6Only only,
                 const char *bind_to_device,
+                bool free_bind,
                 mode_t directory_mode,
                 mode_t socket_mode,
                 int *ret) {
@@ -330,6 +328,12 @@ int socket_address_listen(
                 if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, bind_to_device, strlen(bind_to_device)+1) < 0)
                         goto fail;
 
+        if (free_bind) {
+                one = 1;
+                if (setsockopt(fd, IPPROTO_IP, IP_FREEBIND, &one, sizeof(one)) < 0)
+                        log_warning("IP_FREEBIND failed: %m");
+        }
+
         one = 1;
         if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)) < 0)
                 goto fail;
@@ -429,7 +433,7 @@ bool socket_address_equal(const SocketAddress *a, const SocketAddress *b) {
                         if (strncmp(a->sockaddr.un.sun_path, b->sockaddr.un.sun_path, sizeof(a->sockaddr.un.sun_path)) != 0)
                                 return false;
                 } else {
-                        if (memcmp(a->sockaddr.un.sun_path, b->sockaddr.un.sun_path, sizeof(a->sockaddr.un.sun_path)) != 0)
+                        if (memcmp(a->sockaddr.un.sun_path, b->sockaddr.un.sun_path, a->size) != 0)
                                 return false;
                 }