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@@ -1,423 +0,0 @@
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---- a/Makefile
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-+++ b/Makefile
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-@@ -7,7 +7,7 @@ DEBUG_TYPECAST=0
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-
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- include Makefile.inc
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-
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--LIBS=-lc
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-+LIBS=-lc -ldl
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- SHLIB_FILE=libuci.$(SHLIB_EXT).$(VERSION)
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-
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- define add_feature
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-@@ -23,6 +23,7 @@ ucimap.o: ucimap.c uci.h uci_config.h uc
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-
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- uci_config.h: FORCE
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- @rm -f "[email protected]"
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-+ @echo "#define UCI_PREFIX \"$(prefix)\"" > "[email protected]"
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- $(call add_feature,PLUGIN_SUPPORT)
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- $(call add_feature,DEBUG)
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- $(call add_feature,DEBUG_TYPECAST)
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-@@ -33,10 +34,10 @@ uci_config.h: FORCE
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- fi
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-
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- uci: cli.o libuci.$(SHLIB_EXT)
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-- $(CC) -o $@ $< -L. -luci
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-+ $(CC) -o $@ $< -L. -luci $(LIBS)
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-
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- uci-static: cli.o libuci.a
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-- $(CC) $(CFLAGS) -o $@ $^
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-+ $(CC) $(CFLAGS) -o $@ $^ $(LIBS)
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-
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- libuci-static.o: libuci.c $(LIBUCI_DEPS)
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- $(CC) $(CFLAGS) -c -o $@ $<
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---- a/cli.c
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-+++ b/cli.c
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-@@ -27,6 +27,7 @@ static enum {
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- CLI_FLAG_NOCOMMIT = (1 << 2),
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- CLI_FLAG_BATCH = (1 << 3),
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- CLI_FLAG_SHOW_EXT = (1 << 4),
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-+ CLI_FLAG_NOPLUGINS= (1 << 5),
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- } flags;
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-
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- static FILE *input;
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-@@ -136,6 +137,7 @@ static void uci_usage(void)
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- "\t-c <path> set the search path for config files (default: /etc/config)\n"
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- "\t-d <str> set the delimiter for list values in uci show\n"
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- "\t-f <file> use <file> as input instead of stdin\n"
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-+ "\t-L do not load any plugins\n"
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- "\t-m when importing, merge data into an existing package\n"
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- "\t-n name unnamed sections on export (default)\n"
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- "\t-N don't name unnamed sections\n"
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-@@ -603,7 +605,7 @@ int main(int argc, char **argv)
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- return 1;
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- }
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-
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-- while((c = getopt(argc, argv, "c:d:f:mnNp:P:sSqX")) != -1) {
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-+ while((c = getopt(argc, argv, "c:d:f:LmnNp:P:sSqX")) != -1) {
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- switch(c) {
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- case 'c':
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- uci_set_confdir(ctx, optarg);
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-@@ -618,6 +620,9 @@ int main(int argc, char **argv)
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- return 1;
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- }
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- break;
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-+ case 'L':
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-+ flags |= CLI_FLAG_NOPLUGINS;
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-+ break;
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- case 'm':
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- flags |= CLI_FLAG_MERGE;
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- break;
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-@@ -662,6 +667,10 @@ int main(int argc, char **argv)
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- uci_usage();
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- return 0;
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- }
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-+
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-+ if (!(flags & CLI_FLAG_NOPLUGINS))
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-+ uci_load_plugins(ctx, NULL);
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-+
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- ret = uci_cmd(argc - 1, argv + 1);
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- if (input != stdin)
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- fclose(input);
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---- a/history.c
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-+++ b/history.c
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-@@ -406,6 +406,17 @@ int uci_save(struct uci_context *ctx, st
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- if ((asprintf(&filename, "%s/%s", ctx->savedir, p->e.name) < 0) || !filename)
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- UCI_THROW(ctx, UCI_ERR_MEM);
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-
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-+ uci_foreach_element(&ctx->hooks, tmp) {
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-+ struct uci_hook *hook = uci_to_hook(tmp);
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-+
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-+ if (!hook->ops->set)
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-+ continue;
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-+
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-+ uci_foreach_element(&p->history, e) {
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-+ hook->ops->set(hook->ops, p, uci_to_history(e));
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-+ }
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-+ }
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-+
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- ctx->err = 0;
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- UCI_TRAP_SAVE(ctx, done);
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- f = uci_open_stream(ctx, filename, SEEK_END, true, true);
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---- a/libuci.c
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-+++ b/libuci.c
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-@@ -22,6 +22,8 @@
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- #include <string.h>
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- #include <stdlib.h>
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- #include <stdio.h>
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-+#include <dlfcn.h>
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-+#include <glob.h>
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- #include "uci.h"
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-
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- static const char *uci_confdir = UCI_CONFDIR;
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-@@ -39,6 +41,7 @@ static const char *uci_errstr[] = {
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- };
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-
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- static void uci_cleanup(struct uci_context *ctx);
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-+static void uci_unload_plugin(struct uci_context *ctx, struct uci_plugin *p);
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-
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- #include "uci_internal.h"
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- #include "util.c"
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-@@ -56,6 +59,8 @@ struct uci_context *uci_alloc_context(vo
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- uci_list_init(&ctx->root);
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- uci_list_init(&ctx->history_path);
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- uci_list_init(&ctx->backends);
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-+ uci_list_init(&ctx->hooks);
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-+ uci_list_init(&ctx->plugins);
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- ctx->flags = UCI_FLAG_STRICT | UCI_FLAG_SAVED_HISTORY;
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-
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- ctx->confdir = (char *) uci_confdir;
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-@@ -86,6 +91,9 @@ void uci_free_context(struct uci_context
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- uci_free_element(e);
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- }
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- UCI_TRAP_RESTORE(ctx);
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-+ uci_foreach_element_safe(&ctx->root, tmp, e) {
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-+ uci_unload_plugin(ctx, uci_to_plugin(e));
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-+ }
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- free(ctx);
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-
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- ignore:
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-@@ -209,9 +217,16 @@ int uci_commit(struct uci_context *ctx,
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- int uci_load(struct uci_context *ctx, const char *name, struct uci_package **package)
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- {
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- struct uci_package *p;
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-+ struct uci_element *e;
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-+
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- UCI_HANDLE_ERR(ctx);
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- UCI_ASSERT(ctx, ctx->backend && ctx->backend->load);
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- p = ctx->backend->load(ctx, name);
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-+ uci_foreach_element(&ctx->hooks, e) {
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-+ struct uci_hook *h = uci_to_hook(e);
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-+ if (h->ops->load)
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-+ h->ops->load(h->ops, p);
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-+ }
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- if (package)
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- *package = p;
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-
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-@@ -280,3 +295,94 @@ int uci_set_backend(struct uci_context *
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- ctx->backend = uci_to_backend(e);
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- return 0;
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- }
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-+
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-+int uci_add_hook(struct uci_context *ctx, const struct uci_hook_ops *ops)
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-+{
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-+ struct uci_element *e;
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-+ struct uci_hook *h;
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-+
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-+ UCI_HANDLE_ERR(ctx);
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-+
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-+ /* check for duplicate elements */
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-+ uci_foreach_element(&ctx->hooks, e) {
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-+ h = uci_to_hook(e);
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-+ if (h->ops == ops)
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-+ return UCI_ERR_INVAL;
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-+ }
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-+
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-+ h = uci_alloc_element(ctx, hook, "", 0);
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-+ h->ops = ops;
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-+ uci_list_init(&h->e.list);
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-+ uci_list_add(&ctx->hooks, &h->e.list);
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-+
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-+ return 0;
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-+}
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-+
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-+int uci_remove_hook(struct uci_context *ctx, const struct uci_hook_ops *ops)
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-+{
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-+ struct uci_element *e;
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-+
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-+ uci_foreach_element(&ctx->hooks, e) {
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-+ struct uci_hook *h = uci_to_hook(e);
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-+ if (h->ops == ops) {
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-+ uci_list_del(&e->list);
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-+ return 0;
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-+ }
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-+ }
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-+ return UCI_ERR_NOTFOUND;
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-+}
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-+
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-+int uci_load_plugin(struct uci_context *ctx, const char *filename)
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-+{
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-+ struct uci_plugin *p;
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-+ const struct uci_plugin_ops *ops;
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-+ void *dlh;
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-+
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-+ UCI_HANDLE_ERR(ctx);
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-+ dlh = dlopen(filename, RTLD_GLOBAL|RTLD_NOW);
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-+ if (!dlh)
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-+ UCI_THROW(ctx, UCI_ERR_NOTFOUND);
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-+
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-+ ops = dlsym(dlh, "uci_plugin");
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-+ if (!ops || !ops->attach || (ops->attach(ctx) != 0)) {
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-+ if (!ops)
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-+ fprintf(stderr, "No ops\n");
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-+ else if (!ops->attach)
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-+ fprintf(stderr, "No attach\n");
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-+ else
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-+ fprintf(stderr, "Other weirdness\n");
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-+ dlclose(dlh);
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-+ UCI_THROW(ctx, UCI_ERR_INVAL);
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-+ }
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-+
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-+ p = uci_alloc_element(ctx, plugin, filename, 0);
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-+ p->dlh = dlh;
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-+ p->ops = ops;
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-+ uci_list_add(&ctx->plugins, &p->e.list);
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-+
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-+ return 0;
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-+}
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-+
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-+static void uci_unload_plugin(struct uci_context *ctx, struct uci_plugin *p)
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-+{
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-+ if (p->ops->detach)
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-+ p->ops->detach(ctx);
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-+ dlclose(p->dlh);
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-+ uci_free_element(&p->e);
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-+}
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-+
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-+int uci_load_plugins(struct uci_context *ctx, const char *pattern)
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-+{
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-+ glob_t gl;
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-+ int i;
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-+
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-+ if (!pattern)
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-+ pattern = UCI_PREFIX "/lib/uci_*.so";
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-+
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-+ memset(&gl, 0, sizeof(gl));
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-+ glob(pattern, 0, NULL, &gl);
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-+ for (i = 0; i < gl.gl_pathc; i++)
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-+ uci_load_plugin(ctx, gl.gl_pathv[i]);
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-+
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-+ return 0;
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-+}
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---- a/uci.h
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-+++ b/uci.h
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-@@ -56,6 +56,8 @@ struct uci_list
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- };
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-
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- struct uci_ptr;
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-+struct uci_plugin;
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-+struct uci_hook_ops;
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- struct uci_element;
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- struct uci_package;
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- struct uci_section;
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-@@ -275,6 +277,43 @@ extern int uci_set_backend(struct uci_co
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- */
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- extern bool uci_validate_text(const char *str);
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-
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-+
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-+/**
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-+ * uci_add_hook: add a uci hook
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-+ * @ctx: uci context
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-+ * @ops: uci hook ops
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-+ *
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-+ * NB: allocated and freed by the caller
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-+ */
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-+extern int uci_add_hook(struct uci_context *ctx, const struct uci_hook_ops *ops);
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-+
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-+/**
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-+ * uci_remove_hook: remove a uci hook
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-+ * @ctx: uci context
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-+ * @ops: uci hook ops
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|
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-+ */
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-+extern int uci_remove_hook(struct uci_context *ctx, const struct uci_hook_ops *ops);
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-+
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|
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-+/**
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-+ * uci_load_plugin: load an uci plugin
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-+ * @ctx: uci context
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-+ * @filename: path to the uci plugin
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-+ *
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-+ * NB: plugin will be unloaded automatically when the context is freed
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-+ */
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-+int uci_load_plugin(struct uci_context *ctx, const char *filename);
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-+
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-+/**
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-+ * uci_load_plugins: load all uci plugins from a directory
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-+ * @ctx: uci context
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-+ * @pattern: pattern of uci plugin files (optional)
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-+ *
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-+ * if pattern is NULL, then uci_load_plugins will call uci_load_plugin
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-+ * for uci_*.so in <prefix>/lib/
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-+ */
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-+int uci_load_plugins(struct uci_context *ctx, const char *pattern);
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-+
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-+
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|
|
- /* UCI data structures */
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|
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- enum uci_type {
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- UCI_TYPE_UNSPEC = 0,
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-@@ -285,6 +324,8 @@ enum uci_type {
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- UCI_TYPE_PATH = 5,
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|
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- UCI_TYPE_BACKEND = 6,
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|
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- UCI_TYPE_ITEM = 7,
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-+ UCI_TYPE_HOOK = 8,
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-+ UCI_TYPE_PLUGIN = 9,
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|
|
- };
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|
|
-
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|
|
- enum uci_option_type {
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|
|
-@@ -346,6 +387,9 @@ struct uci_context
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|
|
- bool internal, nested;
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|
- char *buf;
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|
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- int bufsz;
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|
|
-+
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|
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-+ struct uci_list hooks;
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|
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-+ struct uci_list plugins;
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|
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- };
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|
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-
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|
|
- struct uci_package
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|
|
-@@ -420,6 +464,31 @@ struct uci_ptr
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|
|
- const char *value;
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|
|
- };
|
|
|
-
|
|
|
-+struct uci_hook_ops
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|
|
-+{
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|
|
-+ void (*load)(const struct uci_hook_ops *ops, struct uci_package *p);
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-+ void (*set)(const struct uci_hook_ops *ops, struct uci_package *p, struct uci_history *e);
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|
|
-+};
|
|
|
-+
|
|
|
-+struct uci_hook
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|
|
-+{
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|
|
-+ struct uci_element e;
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|
|
-+ const struct uci_hook_ops *ops;
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|
|
-+};
|
|
|
-+
|
|
|
-+struct uci_plugin_ops
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|
|
-+{
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|
|
-+ int (*attach)(struct uci_context *ctx);
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|
|
-+ void (*detach)(struct uci_context *ctx);
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|
|
-+};
|
|
|
-+
|
|
|
-+struct uci_plugin
|
|
|
-+{
|
|
|
-+ struct uci_element e;
|
|
|
-+ const struct uci_plugin_ops *ops;
|
|
|
-+ void *dlh;
|
|
|
-+};
|
|
|
-+
|
|
|
-
|
|
|
- /* linked list handling */
|
|
|
- #ifndef offsetof
|
|
|
-@@ -490,6 +559,8 @@ struct uci_ptr
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|
|
- #define uci_type_package UCI_TYPE_PACKAGE
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|
|
- #define uci_type_section UCI_TYPE_SECTION
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|
|
- #define uci_type_option UCI_TYPE_OPTION
|
|
|
-+#define uci_type_hook UCI_TYPE_HOOK
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|
|
-+#define uci_type_plugin UCI_TYPE_PLUGIN
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|
|
-
|
|
|
- /* element typecasting */
|
|
|
- #ifdef UCI_DEBUG_TYPECAST
|
|
|
-@@ -499,6 +570,8 @@ static const char *uci_typestr[] = {
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|
|
- [uci_type_package] = "package",
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|
|
- [uci_type_section] = "section",
|
|
|
- [uci_type_option] = "option",
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|
|
-+ [uci_type_hook] = "hook",
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|
|
-+ [uci_type_plugin] = "plugin",
|
|
|
- };
|
|
|
-
|
|
|
- static void uci_typecast_error(int from, int to)
|
|
|
-@@ -520,6 +593,8 @@ BUILD_CAST(history)
|
|
|
- BUILD_CAST(package)
|
|
|
- BUILD_CAST(section)
|
|
|
- BUILD_CAST(option)
|
|
|
-+BUILD_CAST(hook)
|
|
|
-+BUILD_CAST(plugin)
|
|
|
-
|
|
|
- #else
|
|
|
- #define uci_to_backend(ptr) container_of(ptr, struct uci_backend, e)
|
|
|
-@@ -527,6 +602,8 @@ BUILD_CAST(option)
|
|
|
- #define uci_to_package(ptr) container_of(ptr, struct uci_package, e)
|
|
|
- #define uci_to_section(ptr) container_of(ptr, struct uci_section, e)
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- #define uci_to_option(ptr) container_of(ptr, struct uci_option, e)
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-+#define uci_to_hook(ptr) container_of(ptr, struct uci_hook, e)
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-+#define uci_to_plugin(ptr) container_of(ptr, struct uci_plugin, e)
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- #endif
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-
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- /**
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---- a/lua/uci.c
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-+++ b/lua/uci.c
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-@@ -765,6 +765,20 @@ uci_lua_add_history(lua_State *L)
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- }
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-
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- static int
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-+uci_lua_load_plugins(lua_State *L)
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-+{
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-+ struct uci_context *ctx;
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-+ int ret, offset = 0;
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-+ const char *str = NULL;
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-+
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-+ ctx = find_context(L, &offset);
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-+ if (lua_isstring(L, -1))
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-+ str = lua_tostring(L, -1);
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-+ ret = uci_load_plugins(ctx, str);
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-+ return uci_push_status(L, ctx, false);
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-+}
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-+
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-+static int
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- uci_lua_set_savedir(lua_State *L)
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- {
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- struct uci_context *ctx;
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-@@ -831,6 +845,7 @@ static const luaL_Reg uci[] = {
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- { "changes", uci_lua_changes },
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- { "foreach", uci_lua_foreach },
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- { "add_history", uci_lua_add_history },
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-+ { "load_plugins", uci_lua_load_plugins },
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- { "get_confdir", uci_lua_get_confdir },
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- { "set_confdir", uci_lua_set_confdir },
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- { "get_savedir", uci_lua_get_savedir },
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