add a helper to convert blobmsg types to luci validate rules

Signed-off-by: John Crispin <blogic@openwrt.org>

2 files changed, 22 insertions, 0 deletions

diff --git a/utils.c b/utils.c
index d202505..aa4132b 100644
--- a/utils.c
+++ b/utils.c
@@ -195,3 +195,22 @@ bool check_pid_path(int pid, const char *exe)
 
 	return !memcmp(exe, proc_exe_buf, exe_len);
 }
+
+static const char * const uci_validate_name[__BLOBMSG_TYPE_LAST] = {
+	[BLOBMSG_TYPE_STRING] = "string",
+	[BLOBMSG_TYPE_ARRAY] = "list(string)",
+	[BLOBMSG_TYPE_INT32] = "uinteger",
+	[BLOBMSG_TYPE_BOOL] = "bool",
+};
+
+const char*
+uci_get_validate_string(const struct uci_blob_param_list *p, int i)
+{
+	if (p->validate[i])
+		return p->validate[i];
+
+	else if (uci_validate_name[p->params[i].type])
+		return uci_validate_name[p->params[i].type];
+
+	return p->validate[BLOBMSG_TYPE_STRING];
+}
diff --git a/utils.h b/utils.h
index b0a7d02..7973b6f 100644
--- a/utils.h
+++ b/utils.h
@@ -16,6 +16,7 @@
 
 #include <unistd.h>
 #include <stdio.h>
+#include <uci_blob.h>
 #include <libubox/list.h>
 #include <libubox/avl.h>
 #include <libubox/avl-cmp.h>
@@ -114,6 +115,8 @@ char * format_macaddr(uint8_t *mac);
 
 uint32_t crc32_file(FILE *fp);
 
+const char * uci_get_validate_string(const struct uci_blob_param_list *c, int i);
+
 #ifdef __APPLE__
 #define s6_addr32	__u6_addr.__u6_addr32
 #endif