X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fuci.git;a=blobdiff_plain;f=cli.c;h=3188bd19d2925cd8c7d34e985780fb079d45498b;hp=78707281ef0e178294f23fbe4bae0bd9e53126b7;hb=031b620e1f3a16078da45ce00352508764902786;hpb=402b084b1e5417dc2fb7d84373c1b9fb8642696a

diff --git a/cli.c b/cli.c
index 7870728..3188bd1 100644
--- a/cli.c
+++ b/cli.c
@@ -1,4 +1,5 @@
 /*
+ * cli - Command Line Interface for the Unified Configuration Interface
  * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -11,14 +12,21 @@
  * GNU General Public License for more details.
  */
 #include <strings.h>
+#include <string.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include "uci.h"
 
-static const char *appname = "uci";
+#define MAX_ARGS	4 /* max command line arguments for batch mode */
+
+static const char *appname;
 static enum {
-	CLI_FLAG_MERGE = (1 << 0),
+	CLI_FLAG_MERGE =    (1 << 0),
+	CLI_FLAG_QUIET =    (1 << 1),
+	CLI_FLAG_NOCOMMIT = (1 << 2),
+	CLI_FLAG_BATCH =    (1 << 3),
 } flags;
+
 static FILE *input;
 
 static struct uci_context *ctx;
@@ -28,36 +36,54 @@ enum {
 	CMD_SET,
 	CMD_DEL,
 	CMD_RENAME,
+	CMD_REVERT,
 	/* package cmds */
 	CMD_SHOW,
-	CMD_IMPORT,
+	CMD_CHANGES,
 	CMD_EXPORT,
 	CMD_COMMIT,
+	/* other cmds */
+	CMD_IMPORT,
+	CMD_HELP,
 };
 
-static void uci_usage(int argc, char **argv)
+static int uci_cmd(int argc, char **argv);
+
+static void uci_usage(void)
 {
 	fprintf(stderr,
 		"Usage: %s [<options>] <command> [<arguments>]\n\n"
 		"Commands:\n"
+		"\tbatch\n"
 		"\texport     [<config>]\n"
 		"\timport     [<config>]\n"
 		"\tshow       [<config>[.<section>[.<option>]]]\n"
 		"\tget        <config>.<section>[.<option>]\n"
 		"\tset        <config>.<section>[.<option>]=<value>\n"
 		"\trename     <config>.<section>[.<option>]=<name>\n"
+		"\trevert     <config>[.<section>[.<option>]]\n"
 		"\n"
 		"Options:\n"
 		"\t-f <file>  use <file> as input instead of stdin\n"
 		"\t-m         when importing, merge data into an existing package\n"
-		"\t-s         force strict mode (stop on parser errors, default)\n"
-		"\t-S         disable strict mode\n"
 		"\t-n         name unnamed sections on export (default)\n"
 		"\t-N         don't name unnamed sections\n"
+		"\t-p <path>  add a search path for config change files\n"
+		"\t-P <path>  add a search path for config change files and use as default\n"
+		"\t-q         quiet mode (don't print error messages)\n"
+		"\t-s         force strict mode (stop on parser errors, default)\n"
+		"\t-S         disable strict mode\n"
 		"\n",
-		argv[0]
+		appname
 	);
-	exit(255);
+}
+
+static void cli_perror(void)
+{
+	if (flags & CLI_FLAG_QUIET)
+		return;
+
+	uci_perror(ctx, appname);
 }
 
 static void uci_show_section(struct uci_section *p)
@@ -82,19 +108,50 @@ static void uci_show_package(struct uci_package *p)
 	}
 }
 
+static void uci_show_changes(struct uci_package *p)
+{
+	struct uci_element *e;
+
+	uci_foreach_element(&p->saved_history, e) {
+		struct uci_history *h = uci_to_history(e);
+
+		if (h->cmd == UCI_CMD_REMOVE)
+			printf("-");
+		printf("%s.%s", p->e.name, h->section);
+		if (e->name)
+			printf(".%s", e->name);
+		if (h->cmd != UCI_CMD_REMOVE)
+			printf("=%s", h->value);
+		printf("\n");
+	}
+}
 
 static int package_cmd(int cmd, char *package)
 {
 	struct uci_package *p = NULL;
+	int ret;
 
-	if (uci_load(ctx, package, &p) != UCI_OK) {
-		uci_perror(ctx, appname);
+	if (cmd == CMD_CHANGES)
+		ctx->flags |= UCI_FLAG_SAVED_HISTORY;
+	ret = uci_load(ctx, package, &p);
+	if (cmd == CMD_CHANGES)
+		ctx->flags &= ~UCI_FLAG_SAVED_HISTORY;
+
+	if (ret != UCI_OK) {
+		cli_perror();
 		return 1;
 	}
+	if (!p)
+		return 0;
 	switch(cmd) {
+	case CMD_CHANGES:
+		uci_show_changes(p);
+		break;
 	case CMD_COMMIT:
+		if (flags & CLI_FLAG_NOCOMMIT)
+			return 0;
 		if (uci_commit(ctx, &p, false) != UCI_OK)
-			uci_perror(ctx, appname);
+			cli_perror();
 		break;
 	case CMD_EXPORT:
 		uci_export(ctx, stdout, p, true);
@@ -142,7 +199,7 @@ static int uci_do_import(int argc, char **argv)
 	}
 
 	if (ret != UCI_OK) {
-		uci_perror(ctx, appname);
+		cli_perror();
 		return 1;
 	}
 
@@ -161,7 +218,7 @@ static int uci_do_package_cmd(int cmd, int argc, char **argv)
 		return package_cmd(cmd, argv[1]);
 
 	if ((uci_list_configs(ctx, &configs) != UCI_OK) || !configs) {
-		uci_perror(ctx, appname);
+		cli_perror();
 		return 1;
 	}
 
@@ -199,9 +256,11 @@ static int uci_do_section_cmd(int cmd, int argc, char **argv)
 		return 1;
 
 	if (uci_load(ctx, package, &p) != UCI_OK) {
-		uci_perror(ctx, appname);
+		cli_perror();
 		return 1;
 	}
+	if (!p)
+		return 0;
 
 	switch(cmd) {
 	case CMD_GET:
@@ -225,6 +284,9 @@ static int uci_do_section_cmd(int cmd, int argc, char **argv)
 	case CMD_RENAME:
 		ret = uci_rename(ctx, p, section, option, value);
 		break;
+	case CMD_REVERT:
+		ret = uci_revert(ctx, &p, section, option);
+		break;
 	case CMD_SET:
 		ret = uci_set(ctx, p, section, option, value);
 		break;
@@ -234,7 +296,7 @@ static int uci_do_section_cmd(int cmd, int argc, char **argv)
 	}
 
 	/* no save necessary for get */
-	if (cmd == CMD_GET)
+	if ((cmd == CMD_GET) || (cmd == CMD_REVERT))
 		return 0;
 
 	/* save changes, but don't commit them yet */
@@ -242,19 +304,88 @@ static int uci_do_section_cmd(int cmd, int argc, char **argv)
 		ret = uci_save(ctx, p);
 
 	if (ret != UCI_OK) {
-		uci_perror(ctx, appname);
+		cli_perror();
 		return 1;
 	}
 
 	return 0;
 }
 
+static int uci_batch_cmd(void)
+{
+	char *argv[MAX_ARGS];
+	char *str = NULL;
+	int ret = 0;
+	int i, j;
+
+	for(i = 0; i <= MAX_ARGS; i++) {
+		if (i == MAX_ARGS) {
+			fprintf(stderr, "Too many arguments\n");
+			return 1;
+		}
+		argv[i] = NULL;
+		if ((ret = uci_parse_argument(ctx, input, &str, &argv[i])) != UCI_OK) {
+			cli_perror();
+			i = 0;
+			break;
+		}
+		if (!argv[i][0])
+			break;
+		argv[i] = strdup(argv[i]);
+		if (!argv[i]) {
+			perror("uci");
+			return 1;
+		}
+	}
+	argv[i] = NULL;
+
+	if (i > 0) {
+		if (!strcasecmp(argv[0], "exit"))
+			return 254;
+		ret = uci_cmd(i, argv);
+	} else
+		return 0;
+
+	for (j = 0; j < i; j++) {
+		if (argv[j])
+			free(argv[j]);
+	}
+
+	return ret;
+}
+
+static int uci_batch(void)
+{
+	int ret = 0;
+
+	while (!feof(input)) {
+		struct uci_element *e, *tmp;
+
+		ret = uci_batch_cmd();
+		if (ret == 254)
+			return 0;
+		else if (ret == 255)
+			fprintf(stderr, "Unknown command\n");
+
+		/* clean up */
+		uci_cleanup(ctx);
+		uci_foreach_element_safe(&ctx->root, tmp, e) {
+			uci_unload(ctx, uci_to_package(e));
+		}
+	}
+	return 0;
+}
+
 static int uci_cmd(int argc, char **argv)
 {
 	int cmd = 0;
 
-	if (!strcasecmp(argv[0], "show"))
+	if (!strcasecmp(argv[0], "batch") && !(flags & CLI_FLAG_BATCH))
+		return uci_batch();
+	else if (!strcasecmp(argv[0], "show"))
 		cmd = CMD_SHOW;
+	else if (!strcasecmp(argv[0], "changes"))
+		cmd = CMD_CHANGES;
 	else if (!strcasecmp(argv[0], "export"))
 		cmd = CMD_EXPORT;
 	else if (!strcasecmp(argv[0], "commit"))
@@ -266,10 +397,14 @@ static int uci_cmd(int argc, char **argv)
 	else if (!strcasecmp(argv[0], "ren") ||
 	         !strcasecmp(argv[0], "rename"))
 		cmd = CMD_RENAME;
+	else if (!strcasecmp(argv[0], "revert"))
+		cmd = CMD_REVERT;
 	else if (!strcasecmp(argv[0], "del"))
 		cmd = CMD_DEL;
 	else if (!strcasecmp(argv[0], "import"))
 		cmd = CMD_IMPORT;
+	else if (!strcasecmp(argv[0], "help"))
+		cmd = CMD_HELP;
 	else
 		cmd = -1;
 
@@ -278,13 +413,18 @@ static int uci_cmd(int argc, char **argv)
 		case CMD_SET:
 		case CMD_DEL:
 		case CMD_RENAME:
+		case CMD_REVERT:
 			return uci_do_section_cmd(cmd, argc, argv);
 		case CMD_SHOW:
 		case CMD_EXPORT:
 		case CMD_COMMIT:
+		case CMD_CHANGES:
 			return uci_do_package_cmd(cmd, argc, argv);
 		case CMD_IMPORT:
 			return uci_do_import(argc, argv);
+		case CMD_HELP:
+			uci_usage();
+			return 0;
 		default:
 			return 255;
 	}
@@ -295,6 +435,7 @@ int main(int argc, char **argv)
 	int ret;
 	int c;
 
+	appname = argv[0];
 	input = stdin;
 	ctx = uci_alloc_context();
 	if (!ctx) {
@@ -302,7 +443,7 @@ int main(int argc, char **argv)
 		return 1;
 	}
 
-	while((c = getopt(argc, argv, "mf:sSnN")) != -1) {
+	while((c = getopt(argc, argv, "f:mnNp:P:sSq")) != -1) {
 		switch(c) {
 			case 'f':
 				input = fopen(optarg, "r");
@@ -327,9 +468,20 @@ int main(int argc, char **argv)
 			case 'N':
 				ctx->flags &= ~UCI_FLAG_EXPORT_NAME;
 				break;
-			default:
-				uci_usage(argc, argv);
+			case 'p':
+				uci_add_history_path(ctx, optarg);
 				break;
+			case 'P':
+				uci_add_history_path(ctx, ctx->savedir);
+				uci_set_savedir(ctx, optarg);
+				flags |= CLI_FLAG_NOCOMMIT;
+				break;
+			case 'q':
+				flags |= CLI_FLAG_QUIET;
+				break;
+			default:
+				uci_usage();
+				return 0;
 		}
 	}
 	if (optind > 1)
@@ -337,13 +489,17 @@ int main(int argc, char **argv)
 	argv += optind - 1;
 	argc -= optind - 1;
 
-	if (argc < 2)
-		uci_usage(argc, argv);
+	if (argc < 2) {
+		uci_usage();
+		return 0;
+	}
 	ret = uci_cmd(argc - 1, argv + 1);
 	if (input != stdin)
 		fclose(input);
-	if (ret == 255)
-		uci_usage(argc, argv);
+	if (ret == 255) {
+		uci_usage();
+		return 0;
+	}
 
 	uci_free_context(ctx);