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-rw-r--r--tests/server/sws.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/tests/server/sws.c b/tests/server/sws.c
index 766c46a43..03e0d0c3d 100644
--- a/tests/server/sws.c
+++ b/tests/server/sws.c
@@ -2143,6 +2143,48 @@ int main(int argc, char *argv[])
me.sau.sun_family = AF_UNIX;
strncpy(me.sau.sun_path, unix_socket, sizeof(me.sau.sun_path));
rc = bind(sock, &me.sa, sizeof(me.sau));
+ if(0 != rc && errno == EADDRINUSE) {
+ struct stat statbuf;
+ /* socket already exists. Perhaps it is stale? */
+ int unixfd = socket(AF_UNIX, SOCK_STREAM, 0);
+ if(CURL_SOCKET_BAD == unixfd) {
+ error = SOCKERRNO;
+ logmsg("Error binding socket, failed to create socket at %s: (%d) %s",
+ unix_socket, error, strerror(error));
+ goto sws_cleanup;
+ }
+ /* check whether the server is alive */
+ rc = connect(unixfd, &me.sa, sizeof(me.sau));
+ error = errno;
+ close(unixfd);
+ if(ECONNREFUSED != error) {
+ logmsg("Error binding socket, failed to connect to %s: (%d) %s",
+ unix_socket, error, strerror(error));
+ goto sws_cleanup;
+ }
+ /* socket server is not alive, now check if it was actually a socket.
+ * Systems which have UNIX sockets will also have lstat */
+ rc = lstat(unix_socket, &statbuf);
+ if (0 != rc) {
+ logmsg("Error binding socket, failed to stat %s: (%d) %s",
+ unix_socket, errno, strerror(errno));
+ goto sws_cleanup;
+ }
+ if((statbuf.st_mode & S_IFSOCK) != S_IFSOCK) {
+ logmsg("Error binding socket, failed to stat %s: (%d) %s",
+ unix_socket, error, strerror(error));
+ goto sws_cleanup;
+ }
+ /* dead socket, cleanup and retry bind */
+ rc = unlink(unix_socket);
+ if(0 != rc) {
+ logmsg("Error binding socket, failed to unlink %s: (%d) %s",
+ unix_socket, errno, strerror(errno));
+ goto sws_cleanup;
+ }
+ /* stale socket is gone, retry bind */
+ rc = bind(sock, &me.sa, sizeof(me.sau));
+ }
break;
#endif /* USE_UNIX_SOCKETS */
}