X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fuci.git;a=blobdiff_plain;f=cli.c;h=93517bf392b26a54b25f3f814eefa15ed7140278;hp=3a19b36c9a7bdc193e1b56b702a5a1dacfcae9cd;hb=92f4eac56f3cf1bf21c352193e3bf40723a6e87f;hpb=8f5a6c07caaaf5bd692623d1ed8ffbfa20f564d8

diff --git a/cli.c b/cli.c
index 3a19b36..93517bf 100644
--- a/cli.c
+++ b/cli.c
@@ -12,19 +12,31 @@
  */
 #include <strings.h>
 #include <stdlib.h>
+#include <unistd.h>
 #include "uci.h"
 
+static const char *appname = "uci";
+
 static struct uci_context *ctx;
-static char *buf = NULL;
-static int buflen = 256;
+enum {
+	CMD_GET,
+	CMD_SET,
+	CMD_DEL
+};
 
 static void uci_usage(int argc, char **argv)
 {
 	fprintf(stderr,
 		"Usage: %s [<options>] <command> [<arguments>]\n\n"
 		"Commands:\n"
-		"\tshow [<config>[.<section>[.<option>]]]\n"
-		"\texport [<config>]\n"
+		"\texport   [<config>]\n"
+		"\tshow     [<config>[.<section>[.<option>]]]\n"
+		"\tget      <config>.<section>[.<option>]\n"
+		"\tset      <config>.<section>[.<option>]=<value>\n"
+		"\n"
+		"Options:\n"
+		"\t-s       force strict mode (stop on parser errors)\n"
+		"\t-S       disable strict mode\n"
 		"\n",
 		argv[0]
 	);
@@ -44,11 +56,20 @@ static void uci_show_section(struct uci_section *p)
 	}
 }
 
+static void uci_show_package(struct uci_package *p, char *section)
+{
+	struct uci_element *e;
+
+	uci_foreach_element( &p->sections, e) {
+		if (!section || !strcmp(e->name, section))
+			uci_show_section(uci_to_section(e));
+	}
+}
+
 static int uci_show(int argc, char **argv)
 {
 	char *section = (argc > 2 ? argv[2] : NULL);
 	struct uci_package *package;
-	struct uci_element *e;
 	char **configs;
 	char **p;
 
@@ -56,17 +77,24 @@ static int uci_show(int argc, char **argv)
 	if (!configs)
 		return 0;
 
+	if (argc >= 2) {
+		if (uci_load(ctx, argv[1], &package) != UCI_OK) {
+			uci_perror(ctx, NULL);
+			return 1;
+		}
+		uci_show_package(package, section);
+		uci_unload(ctx, package);
+		return 0;
+	}
+
 	for (p = configs; *p; p++) {
 		if ((argc < 2) || !strcmp(argv[1], *p)) {
 			if (uci_load(ctx, *p, &package) != UCI_OK) {
-				uci_perror(ctx, "uci_load");
-				return 255;
+				uci_perror(ctx, NULL);
+				return 1;
 			}
-			uci_foreach_element( &package->sections, e) {
-				if (!section || !strcmp(e->name, section))
-					uci_show_section(uci_to_section(e));
-			}
-			uci_unload(ctx, *p);
+			uci_show_package(package, section);
+			uci_unload(ctx, package);
 		}
 	}
 
@@ -89,33 +117,136 @@ static int uci_do_export(int argc, char **argv)
 			ret = uci_load(ctx, *p, &package);
 			if (ret)
 				continue;
-			uci_export(ctx, stdout, package);
-			uci_unload(ctx, *p);
+			uci_export(ctx, stdout, package, true);
+			uci_unload(ctx, package);
+		}
+	}
+	return 0;
+}
+
+static int uci_do_cmd(int cmd, int argc, char **argv)
+{
+	char *package = NULL;
+	char *section = NULL;
+	char *option = NULL;
+	char *value = NULL;
+	struct uci_package *p = NULL;
+	struct uci_element *e = NULL;
+
+	if (argc != 2)
+		return 255;
+
+	if (uci_parse_tuple(ctx, argv[1], &package, &section, &option, (cmd == CMD_SET ? &value : NULL)) != UCI_OK)
+		return 1;
+
+	if (uci_load(ctx, package, &p) != UCI_OK) {
+		uci_perror(ctx, appname);
+		return 1;
+	}
+
+	if (uci_lookup(ctx, &e, p, section, option) != UCI_OK)
+		return 1;
+
+	switch(cmd) {
+	case CMD_GET:
+		switch(e->type) {
+		case UCI_TYPE_SECTION:
+			value = uci_to_section(e)->type;
+			break;
+		case UCI_TYPE_OPTION:
+			value = uci_to_option(e)->value;
+			break;
+		default:
+			/* should not happen */
+			return 1;
+		}
+		/* throw the value to stdout */
+		printf("%s\n", value);
+		break;
+	case CMD_SET:
+		if (uci_set(ctx, p, section, option, value) != UCI_OK) {
+			uci_perror(ctx, appname);
+			return 1;
+		}
+		break;
+	case CMD_DEL:
+		if (uci_del(ctx, p, section, option) != UCI_OK) {
+			uci_perror(ctx, appname);
+			return 1;
 		}
+		break;
+	}
+
+	/* no save necessary for get */
+	if (cmd == CMD_GET)
+		return 0;
+
+	/* save changes, but don't commit them yet */
+	if (uci_save(ctx, p) != UCI_OK) {
+		uci_perror(ctx, appname);
+		return 1;
 	}
+
 	return 0;
 }
 
 static int uci_cmd(int argc, char **argv)
 {
+	int cmd;
+
 	if (!strcasecmp(argv[0], "show"))
 		return uci_show(argc, argv);
 	if (!strcasecmp(argv[0], "export"))
 		return uci_do_export(argc, argv);
-	return 255;
+
+	if (!strcasecmp(argv[0], "get"))
+		cmd = CMD_GET;
+	else if (!strcasecmp(argv[0], "set"))
+		cmd = CMD_SET;
+	else if (!strcasecmp(argv[0], "del"))
+		cmd = CMD_DEL;
+	else
+		return 255;
+	return uci_do_cmd(cmd, argc, argv);
 }
 
 int main(int argc, char **argv)
 {
 	int ret;
+	int c;
+
+	ctx = uci_alloc_context();
+	if (!ctx) {
+		fprintf(stderr, "Out of memory\n");
+		return 1;
+	}
+
+	while((c = getopt(argc, argv, "sS")) != -1) {
+		switch(c) {
+			case 's':
+				ctx->flags |= UCI_FLAG_STRICT;
+				break;
+			case 'S':
+				ctx->flags &= ~UCI_FLAG_STRICT;
+				ctx->flags |= UCI_FLAG_PERROR;
+				break;
+			default:
+				uci_usage(argc, argv);
+				break;
+		}
+	}
+	if (optind > 1)
+		argv[optind - 1] = argv[0];
+	argv += optind - 1;
+	argc -= optind - 1;
 
-	ctx = uci_alloc();
 	if (argc < 2)
 		uci_usage(argc, argv);
 	ret = uci_cmd(argc - 1, argv + 1);
 	if (ret == 255)
 		uci_usage(argc, argv);
-	uci_free(ctx);
+
+	uci_free_context(ctx);
 
 	return ret;
 }