X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fuci.git;a=blobdiff_plain;f=cli.c;h=9530198552e194f66e094ca617e05984610247d2;hp=40b5d9115193519e5361f88a0002465f346924f1;hb=c77adc6e931ca6a669c6798b7839c6af18882f05;hpb=81e4f335d5c725e40614c26f9ef4778fa1a4aecf

diff --git a/cli.c b/cli.c
index 40b5d91..9530198 100644
--- a/cli.c
+++ b/cli.c
@@ -15,127 +15,191 @@
 #include "uci.h"
 
 static struct uci_context *ctx;
-static char *buf = NULL;
-static int buflen = 256;
 
 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",
 		argv[0]
 	);
 	exit(255);
 }
 
-static char *uci_escape(char *str)
-{
-	char *s, *p, *t;
-	int pos = 0;
-
-	if (!buf)
-		buf = malloc(buflen);
-
-	s = str;
-	p = strchr(str, '\'');
-	if (!p)
-		return str;
-
-	do {
-		int len = p - s;
-		if (len > 0) {
-			if (p + 3 - str >= buflen) {
-				buflen *= 2;
-				buf = realloc(buf, buflen);
-				if (!buf) {
-					fprintf(stderr, "Out of memory\n");
-					exit(255);
-				}
-			}
-			memcpy(&buf[pos], s, len);
-			pos += len;
-		}
-		strcpy(&buf[pos], "'\\''");
-		pos += 3;
-		s = p + 1;
-	} while ((p = strchr(s, '\'')));
-
-	return buf;
-}
-
 static void uci_show_section(struct uci_section *p)
 {
-	struct uci_option *o;
+	struct uci_element *e;
 	const char *cname, *sname;
 
-	cname = p->config->name;
-	sname = p->name;
+	cname = p->package->e.name;
+	sname = p->e.name;
 	printf("%s.%s=%s\n", cname, sname, p->type);
-	uci_foreach_entry(option, &p->options, o) {
-		printf("%s.%s.%s=%s\n", cname, sname, o->name, o->value);
+	uci_foreach_element(&p->options, e) {
+		printf("%s.%s.%s=%s\n", cname, sname, e->name, uci_to_option(e)->value);
 	}
 }
 
-static void uci_export_section(struct uci_section *p)
+static void uci_show_package(struct uci_package *p, char *section)
 {
-	struct uci_option *o;
-	const char *name;
-
-	printf("config '%s'", uci_escape(p->type));
-	printf(" '%s'\n", uci_escape(p->name));
-	uci_foreach_entry(option, &p->options, o) {
-		printf("\toption '%s'", uci_escape(o->name));
-		printf(" '%s'\n", uci_escape(o->value));
-	}
-}
-
-static void foreach_section(const char *name, void (*callback)(struct uci_section *))
-{
-	struct uci_config *cfg;
-	struct uci_section *p;
-
-	if (uci_load(ctx, name, &cfg) != UCI_OK) {
-		uci_perror(ctx, "uci_load");
-		return;
-	}
+	struct uci_element *e;
 
-	uci_list_empty(&cfg->sections);
-	uci_foreach_entry(section, &cfg->sections, p) {
-		callback(p);
+	uci_foreach_element( &p->sections, e) {
+		if (!section || !strcmp(e->name, section))
+			uci_show_section(uci_to_section(e));
 	}
-	uci_unload(ctx, name);
 }
 
 static int uci_show(int argc, char **argv)
 {
-	char **configs = uci_list_configs();
+	char *section = (argc > 2 ? argv[2] : NULL);
+	struct uci_package *package;
+	char **configs;
 	char **p;
 
+	configs = uci_list_configs(ctx);
 	if (!configs)
 		return 0;
 
 	for (p = configs; *p; p++) {
-		fprintf(stderr, "# config: %s\n", *p);
-		foreach_section(*p, uci_show_section);
+		if ((argc < 2) || !strcmp(argv[1], *p)) {
+			if (uci_load(ctx, *p, &package) != UCI_OK) {
+				uci_perror(ctx, "uci_load");
+				return 255;
+			}
+			uci_show_package(package, section);
+			uci_unload(ctx, *p);
+		}
 	}
 
 	return 0;
 }
 
-static int uci_export(int argc, char **argv)
+static int uci_do_export(int argc, char **argv)
 {
-	char **configs = uci_list_configs();
+	char **configs = uci_list_configs(ctx);
 	char **p;
 
 	if (!configs)
 		return 0;
 
 	for (p = configs; *p; p++) {
-		foreach_section(*p, uci_export_section);
+		if ((argc < 2) || !strcmp(argv[1], *p)) {
+			struct uci_package *package = NULL;
+			int ret;
+
+			ret = uci_load(ctx, *p, &package);
+			if (ret)
+				continue;
+			uci_export(ctx, stdout, package);
+			uci_unload(ctx, *p);
+		}
+	}
+	return 0;
+}
+
+static void parse_tuple(char *str, char **package, char **section, char **option, char **value)
+{
+	char *last = NULL;
+
+	*package = strtok(str, ".");
+	if (!*package)
+		goto done;
+
+	last = *package;
+	*section = strtok(NULL, ".");
+	if (!*section)
+		goto done;
+
+	last = *section;
+	*option = strtok(NULL, ".");
+	if (!*option)
+		goto done;
+
+	last = *option;
+done:
+	if (!value)
+		return;
+
+	last = strtok(last, "=");
+	if (!last)
+		return;
+
+	*value = last + strlen(last) + 1;
+}
+
+
+static int uci_do_get(int argc, char **argv)
+{
+	char *package = NULL;
+	char *section = NULL;
+	char *option = NULL;
+	struct uci_package *p = NULL;
+	struct uci_element *e = NULL;
+	char *value = NULL;
+
+	if (argc != 2)
+		return 255;
+
+	parse_tuple(argv[1], &package, &section, &option, NULL);
+	if (!package)
+		return 1;
+
+	if (uci_load(ctx, package, &p) != UCI_OK) {
+		uci_perror(ctx, "uci");
+		return 1;
+	}
+
+	if (uci_lookup(ctx, &e, package, section, option) != UCI_OK)
+		return 1;
+
+	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);
+
+	return 0;
+}
+
+static int uci_do_set(int argc, char **argv)
+{
+	struct uci_package *p;
+	char *package = NULL;
+	char *section = NULL;
+	char *option = NULL;
+	char *value = NULL;
+
+	if (argc != 2)
+		return 255;
+
+	parse_tuple(argv[1], &package, &section, &option, &value);
+	if (!package)
+		return 1;
+
+	if (uci_load(ctx, package, &p) != UCI_OK) {
+		uci_perror(ctx, "uci");
+		return 1;
+	}
+
+	if (uci_set(ctx, package, section, option, value) != UCI_OK) {
+		uci_perror(ctx, "uci");
+		return 1;
 	}
+	uci_show_package(p, NULL);
 	return 0;
 }
 
@@ -144,7 +208,11 @@ static int uci_cmd(int argc, char **argv)
 	if (!strcasecmp(argv[0], "show"))
 		return uci_show(argc, argv);
 	if (!strcasecmp(argv[0], "export"))
-		return uci_export(argc, argv);
+		return uci_do_export(argc, argv);
+	if (!strcasecmp(argv[0], "get"))
+		return uci_do_get(argc, argv);
+	if (!strcasecmp(argv[0], "set"))
+		return uci_do_set(argc, argv);
 	return 255;
 }
 
@@ -152,13 +220,13 @@ int main(int argc, char **argv)
 {
 	int ret;
 
-	ctx = uci_alloc();
+	ctx = uci_alloc_context();
 	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;
 }