- make the regresison test mode code build in by default. This should

  allow us to have test targets without special configure options
- fixed make proto so that it actually does something
(This used to be commit 55109a752578e9389d853cb27ec17c2114ecff77)

2 files changed, 53 insertions, 30 deletions

diff --git a/source3/lib/util_sec.c b/source3/lib/util_sec.c
index 164e6ab506..c62df82396 100644
--- a/source3/lib/util_sec.c
+++ b/source3/lib/util_sec.c
@@ -44,6 +44,31 @@ extern int DEBUGLEVEL;
 #define smb_panic(x) exit(1)
 #endif
 
+/* are we running as non-root? This is used by the regresison test code,
+   and potentially also for sites that want non-root smbd */
+static uid_t initial_uid;
+
+/****************************************************************************
+remember what uid we got started as - this allows us to run correctly
+as non-root while catching trapdoor systems
+****************************************************************************/
+void sec_init(void)
+{
+	initial_uid = geteuid();
+	if (initial_uid != (uid_t)0) {
+		/* the DEBUG() subsystem has not been initialised when this is called */
+		fprintf(stderr, "WARNING: running as non-root. Some functionality will be missing\n");
+	}
+}
+
+/****************************************************************************
+are we running in non-root mode?
+****************************************************************************/
+BOOL non_root_mode(void)
+{
+	return (initial_uid != (uid_t)0);
+}
+
 /****************************************************************************
 abort if we haven't set the uid correctly
 ****************************************************************************/
@@ -51,13 +76,13 @@ static void assert_uid(uid_t ruid, uid_t euid)
 {
 	if ((euid != (uid_t)-1 && geteuid() != euid) ||
 	    (ruid != (uid_t)-1 && getuid() != ruid)) {
-#ifndef SMB_REGRESSION_TEST
-		DEBUG(0,("Failed to set uid privileges to (%d,%d) now set to (%d,%d)\n",
-			 (int)ruid, (int)euid,
-			 (int)getuid(), (int)geteuid()));
-		smb_panic("failed to set uid\n");
-		exit(1);
-#endif
+		if (!non_root_mode()) {
+			DEBUG(0,("Failed to set uid privileges to (%d,%d) now set to (%d,%d)\n",
+				 (int)ruid, (int)euid,
+				 (int)getuid(), (int)geteuid()));
+			smb_panic("failed to set uid\n");
+			exit(1);
+		}
 	}
 }
 
@@ -68,14 +93,14 @@ static void assert_gid(gid_t rgid, gid_t egid)
 {
 	if ((egid != (gid_t)-1 && getegid() != egid) ||
 	    (rgid != (gid_t)-1 && getgid() != rgid)) {
-#ifndef SMB_REGRESSION_TEST
-		DEBUG(0,("Failed to set gid privileges to (%d,%d) now set to (%d,%d) uid=(%d,%d)\n",
-			 (int)rgid, (int)egid,
-			 (int)getgid(), (int)getegid(),
-			 (int)getuid(), (int)geteuid()));
-		smb_panic("failed to set gid\n");
-		exit(1);
-#endif
+		if (!non_root_mode()) {
+			DEBUG(0,("Failed to set gid privileges to (%d,%d) now set to (%d,%d) uid=(%d,%d)\n",
+				 (int)rgid, (int)egid,
+				 (int)getgid(), (int)getegid(),
+				 (int)getuid(), (int)geteuid()));
+			smb_panic("failed to set gid\n");
+			exit(1);
+		}
 	}
 }
 
diff --git a/source3/lib/util_sock.c b/source3/lib/util_sock.c
index 426d0572f1..7f8b83ec7d 100644
--- a/source3/lib/util_sock.c
+++ b/source3/lib/util_sock.c
@@ -1146,36 +1146,33 @@ int create_pipe_socket(char *dir, int dir_perms,
 	return s;
 }
 
-#ifdef SMB_REGRESSION_TEST
 /*******************************************************************
 this is like socketpair but uses tcp. It is used by the Samba
-user testing 
+regression test code
+The function guarantees that nobody else can attach to the socket,
+or if they do that this function fails and the socket gets closed
+returns 0 on success, -1 on failure
+the resulting file descriptors are symmetrical
  ******************************************************************/
 static int socketpair_tcp(int fd[2])
 {
 	int listener;
 	struct sockaddr sock;
 	socklen_t socklen = sizeof(sock);
-	int len = socklen;
-	int one = 1;
 	int connect_done = 0;
-
+	
 	fd[0] = fd[1] = listener = -1;
 
 	memset(&sock, 0, sizeof(sock));
 	
 	if ((listener = socket(PF_INET, SOCK_STREAM, 0)) == -1) goto failed;
 
-	setsockopt(listener,SOL_SOCKET,SO_REUSEADDR,(char *)&one,sizeof(one));
-
 	if (listen(listener, 1) != 0) goto failed;
 
 	if (getsockname(listener, &sock, &socklen) != 0) goto failed;
 
 	if ((fd[1] = socket(PF_INET, SOCK_STREAM, 0)) == -1) goto failed;
 
-	setsockopt(fd[1],SOL_SOCKET,SO_REUSEADDR,(char *)&one,sizeof(one));
-
 	set_blocking(fd[1], 0);
 
 	if (connect(fd[1],(struct sockaddr *)&sock,sizeof(sock)) == -1) {
@@ -1184,9 +1181,7 @@ static int socketpair_tcp(int fd[2])
 		connect_done = 1;
 	}
 
-	if ((fd[0] = accept(listener, &sock, &len)) == -1) goto failed;
-
-	setsockopt(fd[0],SOL_SOCKET,SO_REUSEADDR,(char *)&one,sizeof(one));
+	if ((fd[0] = accept(listener, &sock, &socklen)) == -1) goto failed;
 
 	close(listener);
 	if (connect_done == 0) {
@@ -1208,9 +1203,12 @@ static int socketpair_tcp(int fd[2])
 
 /*******************************************************************
 run a program on a local tcp socket, this is used to launch smbd
-in the test code
+when regression testing
+the return value is a socket which is attached to a subprocess
+running "prog". stdin and stdout are attached. stderr is left
+attached to the original stderr
  ******************************************************************/
-int sock_exec(char *prog)
+int sock_exec(const char *prog)
 {
 	int fd[2];
 	if (socketpair_tcp(fd) != 0) return -1;
@@ -1225,4 +1223,4 @@ int sock_exec(char *prog)
 	close(fd[1]);
 	return fd[0];
 }
-#endif
+