/*
+ * 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
* GNU General Public License for more details.
*/
#include <strings.h>
+#include <string.h>
#include <stdlib.h>
+#include <unistd.h>
#include "uci.h"
+#define MAX_ARGS 4 /* max command line arguments for batch mode */
+
+static const char *delimiter = " ";
+static const char *appname;
+static enum {
+ 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;
-static char *buf = NULL;
-static int buflen = 256;
+enum {
+ /* section cmds */
+ CMD_GET,
+ CMD_SET,
+ CMD_ADD_LIST,
+ CMD_DEL,
+ CMD_RENAME,
+ CMD_REVERT,
+ /* package cmds */
+ CMD_SHOW,
+ CMD_CHANGES,
+ CMD_EXPORT,
+ CMD_COMMIT,
+ /* other cmds */
+ CMD_ADD,
+ CMD_IMPORT,
+ CMD_HELP,
+};
+
+static int uci_cmd(int argc, char **argv);
-static void uci_usage(int argc, char **argv)
+static void uci_usage(void)
{
fprintf(stderr,
"Usage: %s [<options>] <command> [<arguments>]\n\n"
"Commands:\n"
- "\tshow [<config>[.<section>[.<option>]]]\n"
- "\texport [<config>]\n"
+ "\tbatch\n"
+ "\texport [<config>]\n"
+ "\timport [<config>]\n"
+ "\tchanges [<config>]\n"
+ "\tcommit [<config>]\n"
+ "\tadd <config> <section-type>\n"
+ "\tadd_list <config>.<section>.<option>=<string>\n"
+ "\tshow [<config>[.<section>[.<option>]]]\n"
+ "\tget <config>.<section>[.<option>]\n"
+ "\tset <config>.<section>[.<option>]=<value>\n"
+ "\tdelete <config>[.<section[.<option>]]\n"
+ "\trename <config>.<section>[.<option>]=<name>\n"
+ "\trevert <config>[.<section>[.<option>]]\n"
+ "\n"
+ "Options:\n"
+ "\t-c <path> set the search path for config files (default: /etc/config)\n"
+ "\t-d <str> set the delimiter for list values in uci show\n"
+ "\t-f <file> use <file> as input instead of stdin\n"
+ "\t-m when importing, merge data into an existing package\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_value(struct uci_option *o)
+{
+ struct uci_element *e;
+ bool sep = false;
+
+ switch(o->type) {
+ case UCI_TYPE_STRING:
+ printf("%s\n", o->v.string);
+ break;
+ case UCI_TYPE_LIST:
+ uci_foreach_element(&o->v.list, e) {
+ printf("%s%s", (sep ? delimiter : ""), e->name);
+ sep = true;
+ }
+ printf("\n");
+ break;
+ default:
+ printf("<unknown>\n");
+ break;
+ }
+}
+
+static void uci_show_option(struct uci_option *o)
+{
+ printf("%s.%s.%s=",
+ o->section->package->e.name,
+ o->section->e.name,
+ o->e.name);
+ uci_show_value(o);
}
static void uci_show_section(struct uci_section *p)
{
- struct uci_option *o;
+ struct uci_element *e;
const char *cname, *sname;
- cname = p->package->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) {
+ uci_show_option(uci_to_option(e));
}
}
-static int uci_show(int argc, char **argv)
+static void uci_show_package(struct uci_package *p)
{
- char *section = (argc > 2 ? argv[2] : NULL);
- struct uci_package *package;
- struct uci_section *s;
- char **configs;
- char **p;
+ struct uci_element *e;
- configs = uci_list_configs(ctx);
- if (!configs)
- return 0;
+ uci_foreach_element( &p->sections, e) {
+ uci_show_section(uci_to_section(e));
+ }
+}
- 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_foreach_entry(section, &package->sections, s) {
- if (!section || !strcmp(s->name, section))
- uci_show_section(s);
+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);
+ char *prefix = "";
+ char *op = "=";
+
+ switch(h->cmd) {
+ case UCI_CMD_REMOVE:
+ prefix = "-";
+ break;
+ case UCI_CMD_LIST_ADD:
+ op = "+=";
+ break;
+ default:
+ break;
+ }
+ printf("%s%s.%s", prefix, p->e.name, h->section);
+ if (e->name)
+ printf(".%s", e->name);
+ if (h->cmd != UCI_CMD_REMOVE)
+ printf("%s%s", op, h->value);
+ printf("\n");
+ }
+}
+
+static int package_cmd(int cmd, char *tuple)
+{
+ struct uci_element *e = NULL;
+ struct uci_ptr ptr;
+
+ if (uci_lookup_ptr(ctx, &ptr, tuple, true) != UCI_OK) {
+ cli_perror();
+ return 1;
+ }
+
+ e = ptr.last;
+ switch(cmd) {
+ case CMD_CHANGES:
+ uci_show_changes(ptr.p);
+ break;
+ case CMD_COMMIT:
+ if (flags & CLI_FLAG_NOCOMMIT)
+ return 0;
+ if (uci_commit(ctx, &ptr.p, false) != UCI_OK)
+ cli_perror();
+ break;
+ case CMD_EXPORT:
+ uci_export(ctx, stdout, ptr.p, true);
+ break;
+ case CMD_SHOW:
+ if (!(ptr.flags & UCI_LOOKUP_COMPLETE)) {
+ ctx->err = UCI_ERR_NOTFOUND;
+ cli_perror();
+ return 1;
+ }
+ switch(e->type) {
+ case UCI_TYPE_PACKAGE:
+ uci_show_package(ptr.p);
+ break;
+ case UCI_TYPE_SECTION:
+ uci_show_section(ptr.s);
+ break;
+ case UCI_TYPE_OPTION:
+ uci_show_option(ptr.o);
+ break;
+ default:
+ /* should not happen */
+ return 1;
+ }
+ break;
+ }
+
+ uci_unload(ctx, ptr.p);
+ return 0;
+}
+
+static int uci_do_import(int argc, char **argv)
+{
+ struct uci_package *package = NULL;
+ char *name = NULL;
+ int ret = UCI_OK;
+ bool merge = false;
+
+ if (argc > 2)
+ return 255;
+
+ if (argc == 2)
+ name = argv[1];
+ else if (flags & CLI_FLAG_MERGE)
+ /* need a package to merge */
+ return 255;
+
+ if (flags & CLI_FLAG_MERGE) {
+ if (uci_load(ctx, name, &package) != UCI_OK)
+ package = NULL;
+ else
+ merge = true;
+ }
+ ret = uci_import(ctx, input, name, &package, (name != NULL));
+ if (ret == UCI_OK) {
+ if (merge) {
+ ret = uci_save(ctx, package);
+ } else {
+ struct uci_element *e;
+ /* loop through all config sections and overwrite existing data */
+ uci_foreach_element(&ctx->root, e) {
+ struct uci_package *p = uci_to_package(e);
+ ret = uci_commit(ctx, &p, true);
}
- uci_unload(ctx, *p);
}
}
+ if (ret != UCI_OK) {
+ cli_perror();
+ return 1;
+ }
+
return 0;
}
-static int uci_do_export(int argc, char **argv)
+static int uci_do_package_cmd(int cmd, int argc, char **argv)
{
- char **configs = uci_list_configs(ctx);
+ char **configs = NULL;
char **p;
- if (!configs)
- return 0;
+ if (argc > 2)
+ return 255;
+
+ if (argc == 2)
+ return package_cmd(cmd, argv[1]);
+
+ if ((uci_list_configs(ctx, &configs) != UCI_OK) || !configs) {
+ cli_perror();
+ return 1;
+ }
for (p = configs; *p; p++) {
- 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);
+ package_cmd(cmd, *p);
+ }
+
+ return 0;
+}
+
+static int uci_do_add(int argc, char **argv)
+{
+ struct uci_package *p = NULL;
+ struct uci_section *s = NULL;
+ int ret;
+
+ if (argc != 3)
+ return 255;
+
+ ret = uci_load(ctx, argv[1], &p);
+ if (ret != UCI_OK)
+ goto done;
+
+ ret = uci_add_section(ctx, p, argv[2], &s);
+ if (ret != UCI_OK)
+ goto done;
+
+ ret = uci_save(ctx, p);
+
+done:
+ if (ret != UCI_OK)
+ cli_perror();
+ else if (s)
+ fprintf(stdout, "%s\n", s->e.name);
+
+ return ret;
+}
+
+static int uci_do_section_cmd(int cmd, int argc, char **argv)
+{
+ struct uci_element *e;
+ struct uci_ptr ptr;
+ int ret = UCI_OK;
+
+ if (argc != 2)
+ return 255;
+
+ if (uci_lookup_ptr(ctx, &ptr, argv[1], true) != UCI_OK) {
+ cli_perror();
+ return 1;
+ }
+
+ if (ptr.value && (cmd != CMD_SET) && (cmd != CMD_ADD_LIST) && (cmd != CMD_RENAME))
+ return 1;
+
+ e = ptr.last;
+ switch(cmd) {
+ case CMD_GET:
+ if (!(ptr.flags & UCI_LOOKUP_COMPLETE)) {
+ ctx->err = UCI_ERR_NOTFOUND;
+ cli_perror();
+ return 1;
+ }
+ switch(e->type) {
+ case UCI_TYPE_SECTION:
+ printf("%s\n", ptr.s->type);
+ break;
+ case UCI_TYPE_OPTION:
+ uci_show_value(ptr.o);
+ break;
+ default:
+ break;
+ }
+ /* throw the value to stdout */
+ break;
+ case CMD_RENAME:
+ ret = uci_rename(ctx, &ptr);
+ break;
+ case CMD_REVERT:
+ ret = uci_revert(ctx, &ptr);
+ break;
+ case CMD_SET:
+ ret = uci_set(ctx, &ptr);
+ break;
+ case CMD_ADD_LIST:
+ ret = uci_add_list(ctx, &ptr);
+ break;
+ case CMD_DEL:
+ ret = uci_delete(ctx, &ptr);
+ break;
+ }
+
+ /* no save necessary for get */
+ if ((cmd == CMD_GET) || (cmd == CMD_REVERT))
+ return 0;
+
+ /* save changes, but don't commit them yet */
+ if (ret == UCI_OK)
+ ret = uci_save(ctx, ptr.p);
+
+ if (ret != UCI_OK) {
+ 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_foreach_element_safe(&ctx->root, tmp, e) {
+ uci_unload(ctx, uci_to_package(e));
}
}
return 0;
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_do_export(argc, argv);
- return 255;
+ int cmd = 0;
+
+ 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"))
+ cmd = CMD_COMMIT;
+ else if (!strcasecmp(argv[0], "get"))
+ cmd = CMD_GET;
+ else if (!strcasecmp(argv[0], "set"))
+ cmd = CMD_SET;
+ 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") ||
+ !strcasecmp(argv[0], "delete"))
+ cmd = CMD_DEL;
+ else if (!strcasecmp(argv[0], "import"))
+ cmd = CMD_IMPORT;
+ else if (!strcasecmp(argv[0], "help"))
+ cmd = CMD_HELP;
+ else if (!strcasecmp(argv[0], "add"))
+ cmd = CMD_ADD;
+ else if (!strcasecmp(argv[0], "add_list"))
+ cmd = CMD_ADD_LIST;
+ else
+ cmd = -1;
+
+ switch(cmd) {
+ case CMD_ADD_LIST:
+ case CMD_GET:
+ 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_ADD:
+ return uci_do_add(argc, argv);
+ case CMD_HELP:
+ uci_usage();
+ return 0;
+ default:
+ return 255;
+ }
}
int main(int argc, char **argv)
{
int ret;
+ int c;
+
+ appname = argv[0];
+ input = stdin;
+ ctx = uci_alloc_context();
+ if (!ctx) {
+ fprintf(stderr, "Out of memory\n");
+ return 1;
+ }
+
+ while((c = getopt(argc, argv, "c:d:f:mnNp:P:sSq")) != -1) {
+ switch(c) {
+ case 'c':
+ uci_set_confdir(ctx, optarg);
+ break;
+ case 'd':
+ delimiter = optarg;
+ break;
+ case 'f':
+ input = fopen(optarg, "r");
+ if (!input) {
+ perror("uci");
+ return 1;
+ }
+ break;
+ case 'm':
+ flags |= CLI_FLAG_MERGE;
+ break;
+ case 's':
+ ctx->flags |= UCI_FLAG_STRICT;
+ break;
+ case 'S':
+ ctx->flags &= ~UCI_FLAG_STRICT;
+ ctx->flags |= UCI_FLAG_PERROR;
+ break;
+ case 'n':
+ ctx->flags |= UCI_FLAG_EXPORT_NAME;
+ break;
+ case 'N':
+ ctx->flags &= ~UCI_FLAG_EXPORT_NAME;
+ break;
+ 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)
+ argv[optind - 1] = argv[0];
+ argv += optind - 1;
+ argc -= optind - 1;
- ctx = uci_alloc();
- if (argc < 2)
- uci_usage(argc, argv);
+ if (argc < 2) {
+ uci_usage();
+ return 0;
+ }
ret = uci_cmd(argc - 1, argv + 1);
- if (ret == 255)
- uci_usage(argc, argv);
- uci_free(ctx);
+ if (input != stdin)
+ fclose(input);
+ if (ret == 255) {
+ uci_usage();
+ return 0;
+ }
+
+ uci_free_context(ctx);
return ret;
}
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