uci: Allow setting the UCI config path on the command line

Add a -c switch which allows setting an alternative UCI path instead of using
the libuci default.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>

3 files changed, 12 insertions, 2 deletions

diff --git a/config.c b/config.c
index 6784dda..4fe72dc 100644
--- a/config.c
+++ b/config.c
@@ -190,8 +190,10 @@ config_init_package(const char *config)
 		ctx = uci_alloc_context();
 		uci_ctx = ctx;
 
+		if (config_path)
+			uci_set_confdir(ctx, config_path);
+
 #ifdef DUMMY_MODE
-		uci_set_confdir(ctx, "./config");
 		uci_set_savedir(ctx, "./tmp");
 #endif
 	} else {
diff --git a/main.c b/main.c
index f70db54..c5e8e67 100644
--- a/main.c
+++ b/main.c
@@ -29,6 +29,7 @@
 
 unsigned int debug_mask = 0;
 const char *main_path = DEFAULT_MAIN_PATH;
+const char *config_path = DEFAULT_CONFIG_PATH;
 const char *resolv_conf = DEFAULT_RESOLV_CONF;
 static char **global_argv;
 
@@ -237,6 +238,7 @@ static int usage(const char *progname)
 		" -d <mask>:		Mask for debug messages\n"
 		" -s <path>:		Path to the ubus socket\n"
 		" -p <path>:		Path to netifd addons (default: %s)\n"
+		" -c <path>:		Path to UCI configuration\n"
 		" -h <path>:		Path to the hotplug script\n"
 		" -r <path>:		Path to resolv.conf\n"
 		" -l <level>:		Log output level (default: %d)\n"
@@ -286,7 +288,7 @@ int main(int argc, char **argv)
 
 	global_argv = argv;
 
-	while ((ch = getopt(argc, argv, "d:s:p:h:r:l:S")) != -1) {
+	while ((ch = getopt(argc, argv, "d:s:p:c:h:r:l:S")) != -1) {
 		switch(ch) {
 		case 'd':
 			debug_mask = strtoul(optarg, NULL, 0);
@@ -297,6 +299,9 @@ int main(int argc, char **argv)
 		case 'p':
 			main_path = optarg;
 			break;
+		case 'c':
+			config_path = optarg;
+			break;
 		case 'h':
 			hotplug_cmd_path = optarg;
 			break;
diff --git a/netifd.h b/netifd.h
index 75e997c..5a90858 100644
--- a/netifd.h
+++ b/netifd.h
@@ -30,10 +30,12 @@
 
 #ifdef DUMMY_MODE
 #define DEFAULT_MAIN_PATH	"./examples"
+#define DEFAULT_CONFIG_PATH	"./config"
 #define DEFAULT_HOTPLUG_PATH	"./examples/hotplug-cmd"
 #define DEFAULT_RESOLV_CONF	"./tmp/resolv.conf"
 #else
 #define DEFAULT_MAIN_PATH	"/lib/netifd"
+#define DEFAULT_CONFIG_PATH	NULL /* use the default set in libuci */
 #define DEFAULT_HOTPLUG_PATH	"/sbin/hotplug-call"
 #define DEFAULT_RESOLV_CONF	"/tmp/resolv.conf.auto"
 #endif
@@ -94,6 +96,7 @@ struct device;
 struct interface;
 
 extern const char *main_path;
+extern const char *config_path;
 void netifd_restart(void);
 void netifd_reload(void);