change to allow names or numbers to be used for uid and gid.

RsyncProject · May 10, 1998 · 8ef4ffd · 8ef4ffd
1 parent c596dad
commit 8ef4ffd
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Showing 6 changed files with 73 additions and 45 deletions.
diff --git a/clientserver.c b/clientserver.c
@@ -96,12 +96,33 @@ static int rsync_module(int fd, int i)
 	char *argv[MAX_ARGS];
 	char **argp;
 	char line[1024];
+	uid_t uid;
+	gid_t gid;
+	char *p;
 
 	module_id = i;
 
 	if (lp_read_only(i))
 		read_only = 1;
 
+	p = lp_uid(i);
+	if (!name_to_uid(p, &uid)) {
+		if (!isdigit(*p)) {
+			rprintf(FERROR,"Invalid uid %s\n", p);
+			return -1;
+		} 
+		uid = atoi(p);
+	}
+
+	p = lp_gid(i);
+	if (!name_to_gid(p, &gid)) {
+		if (!isdigit(*p)) {
+			rprintf(FERROR,"Invalid gid %s\n", p);
+			return -1;
+		} 
+		gid = atoi(p);
+	}
+
 	rprintf(FERROR,"rsyncd starting\n");
 
 	if (chroot(lp_path(i))) {
@@ -114,12 +135,12 @@ static int rsync_module(int fd, int i)
 		return -1;
 	}
 
-	if (setgid(lp_gid(i))) {
+	if (setgid(gid)) {
 		io_printf(fd,"@ERROR: setgid failed\n");
 		return -1;
 	}
 
-	if (setuid(lp_uid(i))) {
+	if (setuid(uid)) {
 		io_printf(fd,"@ERROR: setuid failed\n");
 		return -1;
 	}
@@ -180,6 +201,7 @@ static int start_daemon(int fd)
 	char line[200];
 	char *motd;
 	int version;
+	int i = -1;
 
 	set_socket_options(fd,"SO_KEEPALIVE");
 
@@ -207,8 +229,7 @@ static int start_daemon(int fd)
 		io_printf(fd,"\n");
 	}
 
-	while (1) {
-		int i;
+	while (i == -1) {
 
 		line[0] = 0;
 		if (!read_line(fd, line, sizeof(line)-1)) {
@@ -231,11 +252,9 @@ static int start_daemon(int fd)
 			io_printf(fd,"ERROR: Unknown module '%s'\n", line);
 			return -1;
 		}
-
-		return rsync_module(fd, i);
 	}
 
-	return 0;
+	return rsync_module(fd, i);
 }
 
 
@@ -254,6 +273,7 @@ int daemon_main(void)
 
 	become_daemon();
 
-	return start_accept_loop(rsync_port, start_daemon);
+	start_accept_loop(rsync_port, start_daemon);
+	return -1;
 }
 
diff --git a/configure.in b/configure.in
@@ -85,6 +85,7 @@ AC_TRY_COMPILE([#include <sys/types.h>
 echo yes;AC_DEFINE(HAVE_UTIMBUF), 
 echo no)
 
+# The following test taken from the cvs sources
 # If we can't find connect, try looking in -lsocket, -lnsl, and -linet.
 # The Irix 5 libc.so has connect and gethostbyname, but Irix 5 also has
 # libsocket.so which has a bad implementation of gethostbyname (it

diff --git a/loadparm.c b/loadparm.c
@@ -114,8 +114,8 @@ typedef struct
 	char *comment;
 	BOOL read_only;
 	BOOL list;
-	int uid;
-	int gid;
+	char *uid;
+	char *gid;
 } service;
 
 
@@ -127,8 +127,8 @@ static service sDefault =
 	NULL,    /* comment */
 	True,    /* read only */
 	True,    /* list */
-	-2,      /* uid */
-	-2,      /* gid */
+	"nobody",/* uid */
+	"nobody",/* gid */
 };
 
 
@@ -151,8 +151,8 @@ static struct parm_struct parm_table[] =
   {"path",             P_STRING,  P_LOCAL,  &sDefault.path,        NULL,   0},
   {"read only",        P_BOOL,    P_LOCAL,  &sDefault.read_only,   NULL,   0},
   {"list",             P_BOOL,    P_LOCAL,  &sDefault.list,        NULL,   0},
-  {"uid",              P_INTEGER, P_LOCAL,  &sDefault.uid,         NULL,   0},
-  {"gid",              P_INTEGER, P_LOCAL,  &sDefault.gid,         NULL,   0},
+  {"uid",              P_STRING,  P_LOCAL,  &sDefault.uid,         NULL,   0},
+  {"gid",              P_STRING,  P_LOCAL,  &sDefault.gid,         NULL,   0},
   {NULL,               P_BOOL,    P_NONE,   NULL,                  NULL,   0}
 };
 
@@ -202,8 +202,8 @@ FN_LOCAL_STRING(lp_comment, comment)
 FN_LOCAL_STRING(lp_path, path)
 FN_LOCAL_BOOL(lp_read_only, read_only)
 FN_LOCAL_BOOL(lp_list, list)
-FN_LOCAL_INTEGER(lp_uid, uid)
-FN_LOCAL_INTEGER(lp_gid, gid)
+FN_LOCAL_STRING(lp_uid, uid)
+FN_LOCAL_STRING(lp_gid, gid)
 
 /* local prototypes */
 static int    strwicmp( char *psz1, char *psz2 );

diff --git a/socket.c b/socket.c
@@ -116,7 +116,7 @@ int is_a_socket(int fd)
 }
 
 
-int start_accept_loop(int port, int (*fn)(int ))
+void start_accept_loop(int port, int (*fn)(int ))
 {
 	int s;
 
@@ -125,12 +125,12 @@ int start_accept_loop(int port, int (*fn)(int ))
 	/* open an incoming socket */
 	s = open_socket_in(SOCK_STREAM, port);
 	if (s == -1)
-		return(-1);
+		exit(1);
 
 	/* ready to listen */
 	if (listen(s, 5) == -1) {
 		close(s);
-		return -1;
+		exit(1);
 	}
 
 
@@ -163,7 +163,6 @@ int start_accept_loop(int port, int (*fn)(int ))
 
 		close(fd);
 	}
-	return 0;
 }
 
 

diff --git a/uidlist.c b/uidlist.c
@@ -67,38 +67,19 @@ static char *gid_to_name(gid_t gid)
 	return NULL;
 }
 
-
-/* turn a user name into a uid */
-static uid_t name_to_uid(char *name)
-{
-	struct passwd *pass;
-	if (!name || !*name) return 0;
-	pass = getpwnam(name);
-	if (pass) return(pass->pw_uid);
-	return 0;
-}
-
-/* turn a group name into a gid */
-static gid_t name_to_gid(char *name)
-{
-	struct group *grp;
-	if (!name || !*name) return 0;
-	grp = getgrnam(name);
-	if (grp) return(grp->gr_gid);
-	return 0;
-}
-
 static int map_uid(int id, char *name)
 {
-	uid_t uid = name_to_uid(name);
-	if (uid != 0) return uid;
+	uid_t uid;
+	if (name_to_uid(name, &uid) && uid != 0)
+		return uid;
 	return id;
 }
 
 static int map_gid(int id, char *name)
 {
-	gid_t gid = name_to_gid(name);
-	if (gid != 0) return gid;
+	gid_t gid;
+	if (name_to_gid(name, &gid) && gid != 0)
+		return gid;
 	return id;
 }
 

diff --git a/util.c b/util.c
@@ -455,3 +455,30 @@ void strlcpy(char *d, char *s, int maxlen)
 	memcpy(d, s, len);
 	d[len] = 0;
 }
+
+/* turn a user name into a uid */
+int name_to_uid(char *name, uid_t *uid)
+{
+	struct passwd *pass;
+	if (!name || !*name) return 0;
+	pass = getpwnam(name);
+	if (pass) {
+		*uid = pass->pw_uid;
+		return 1;
+	}
+	return 0;
+}
+
+/* turn a group name into a gid */
+int name_to_gid(char *name, gid_t *gid)
+{
+	struct group *grp;
+	if (!name || !*name) return 0;
+	grp = getgrnam(name);
+	if (grp) {
+		*gid = grp->gr_gid;
+		return 1;
+	}
+	return 0;
+}
+