#ifndef __LIBUCI_H
#define __LIBUCI_H
+#include "uci_config.h"
+
/*
* you can use these defines to enable debugging behavior for
* apps compiled against libuci:
*
*/
-#ifdef DEBUG_ALL
-#define UCI_DEBUG
-#define UCI_DEBUG_TYPECAST
-#endif
-
#include <stdbool.h>
#include <setjmp.h>
#include <stdio.h>
#define UCI_CONFDIR "/etc/config"
#define UCI_SAVEDIR "/tmp/.uci"
-#define UCI_FILEMODE 0600
+#define UCI_DIRMODE 0700
+#define UCI_FILEMODE 0600
enum
{
struct uci_list *prev;
};
+struct uci_ptr;
struct uci_element;
struct uci_package;
struct uci_section;
struct uci_parse_context;
-/**
- * uci_parse_tuple: Parse an uci tuple
- * @ctx: uci context
- * @str: input string
- * @package: output package pointer
- * @section: output section pointer
- * @option: output option pointer
- * @value: output value pointer
- *
- * format: <package>[.<section>[.<option>]][=<value>]
- */
-extern int uci_parse_tuple(struct uci_context *ctx, char *str, char **package, char **section, char **option, char **value);
-
/**
* uci_alloc_context: Allocate a new uci context
*/
* If section is omitted, then a pointer to the config package is returned
* If option is omitted, then a pointer to the config section is returned
*/
-extern int uci_lookup(struct uci_context *ctx, struct uci_element **res, struct uci_package *package, char *section, char *option);
+extern int uci_lookup(struct uci_context *ctx, struct uci_element **res, struct uci_package *package, const char *section, const char *option);
+
+/**
+ * uci_lookup_ptr: Split an uci tuple string and look up elements
+ * @ctx: uci context
+ * @ptr: lookup result struct
+ * @str: uci tuple string to look up
+ * @extended: allow extended syntax lookup
+ */
+extern int uci_lookup_ptr(struct uci_context *ctx, struct uci_ptr *ptr, char *str, bool extended);
+
+/**
+ * uci_lookup_ext: Extended lookup for an uci element
+ *
+ * @ctx: uci context
+ * @res: where to store the result
+ * @ptr: uci pointer tuple
+ *
+ * Looks up an element using the extended syntax.
+ * It can look up sections by an index with an optional type.
+ *
+ * Examples:
+ * network.@interface[0].ifname ('ifname' option of the first interface section)
+ * network.@interface[-1] (last interface section)
+ * Note: uci_lookup_ext will automatically load a config package if necessary
+ */
+extern int uci_lookup_ext(struct uci_context *ctx, struct uci_element **res, char *ptr);
/**
* uci_add_section: Add an unnamed section
* @type: section type
* @res: pointer to store a reference to the new section in
*/
-extern int uci_add_section(struct uci_context *ctx, struct uci_package *p, char *type, struct uci_section **res);
+extern int uci_add_section(struct uci_context *ctx, struct uci_package *p, const char *type, struct uci_section **res);
/**
* uci_set_element_value: Replace an element's value with a new one
* Only valid for uci_option and uci_section. Will replace the type string
* when used with an uci_section
*/
-extern int uci_set_element_value(struct uci_context *ctx, struct uci_element **element, char *value);
+extern int uci_set_element_value(struct uci_context *ctx, struct uci_element **element, const char *value);
+
+/**
+ * uci_add_element_list: Append a string to a list option
+ * @ctx: uci context
+ * @option: pointer to the uci option element
+ * @value: string to append
+ */
+extern int uci_add_element_list(struct uci_context *ctx, struct uci_option *o, const char *value);
/**
* uci_set: Set an element's value; create the element if necessary
* @value: value (option) or type (section)
* @result: store the updated element in this variable (optional)
*/
-extern int uci_set(struct uci_context *ctx, struct uci_package *p, char *section, char *option, char *value, struct uci_element **result);
+extern int uci_set(struct uci_context *ctx, struct uci_package *p, const char *section, const char *option, const char *value, struct uci_element **result);
+
+/**
+ * uci_add_list: Append a string to an element list
+ * @ctx: uci context
+ * @package: package name
+ * @section: section name
+ * @option: option name
+ * @value: string value
+ * @result: store the updated element in this variable (optional)
+ *
+ * Note: if the given option already contains a string, convert it to an 1-element-list
+ * before appending the next element
+ */
+extern int uci_add_list(struct uci_context *ctx, struct uci_package *p, const char *section, const char *option, const char *value, struct uci_option **result);
/**
* uci_rename: Rename an element
* @section: section name
* @option: option name (optional)
*/
-extern int uci_delete(struct uci_context *ctx, struct uci_package *p, char *section, char *option);
+extern int uci_delete(struct uci_context *ctx, struct uci_package *p, const char *section, const char *option);
/**
* uci_save: save change history for a package
* @section: section name (optional)
* @option option name (optional)
*/
-extern int uci_revert(struct uci_context *ctx, struct uci_package **p, char *section, char *option);
+extern int uci_revert(struct uci_context *ctx, struct uci_package **p, const char *section, const char *option);
/**
* uci_parse_argument: parse a shell-style argument, with an arbitrary quoting style
*/
extern int uci_set_backend(struct uci_context *ctx, const char *name);
+/**
+ * uci_validate_text: validate a value string for uci options
+ * @str: value
+ *
+ * this function checks whether a given string is acceptable as value
+ * for uci options
+ */
+extern bool uci_validate_text(const char *str);
+
/* UCI data structures */
enum uci_type {
- UCI_TYPE_HISTORY = 0,
- UCI_TYPE_PACKAGE = 1,
- UCI_TYPE_SECTION = 2,
- UCI_TYPE_OPTION = 3,
- UCI_TYPE_PATH = 4,
- UCI_TYPE_BACKEND = 5,
+ UCI_TYPE_UNSPEC = 0,
+ UCI_TYPE_HISTORY = 1,
+ UCI_TYPE_PACKAGE = 2,
+ UCI_TYPE_SECTION = 3,
+ UCI_TYPE_OPTION = 4,
+ UCI_TYPE_PATH = 5,
+ UCI_TYPE_BACKEND = 6,
+ UCI_TYPE_ITEM = 7,
+};
+
+enum uci_option_type {
+ UCI_TYPE_STRING = 0,
+ UCI_TYPE_LIST = 1,
};
enum uci_flags {
char **(*list_configs)(struct uci_context *ctx);
struct uci_package *(*load)(struct uci_context *ctx, const char *name);
void (*commit)(struct uci_context *ctx, struct uci_package **p, bool overwrite);
+
+ /* private: */
+ const void *ptr;
+ void *priv;
};
struct uci_context
struct uci_list history_path;
/* private: */
- int errno;
+ int err;
const char *func;
jmp_buf trap;
bool internal;
{
struct uci_element e;
struct uci_section *section;
- char *value;
+ enum uci_option_type type;
+ union {
+ struct uci_list list;
+ char *string;
+ } v;
};
enum uci_command {
UCI_CMD_ADD,
UCI_CMD_REMOVE,
UCI_CMD_CHANGE,
- UCI_CMD_RENAME
+ UCI_CMD_RENAME,
+ UCI_CMD_LIST_ADD,
};
struct uci_history
char *value;
};
-#define UCI_BACKEND(_var, _name, ...) \
-struct uci_backend _var = { \
- .e.list = { \
- .next = &_var.e.list, \
- .prev = &_var.e.list, \
- }, \
- .e.name = _name, \
- .e.type = UCI_TYPE_BACKEND, \
- __VA_ARGS__ \
-}
+struct uci_ptr
+{
+ enum uci_type target;
+ enum {
+ UCI_LOOKUP_DONE = (1 << 0),
+ UCI_LOOKUP_COMPLETE = (1 << 1),
+ UCI_LOOKUP_EXTENDED = (1 << 2),
+ } flags;
+
+ struct uci_package *p;
+ struct uci_section *s;
+ struct uci_option *o;
+
+ char *package;
+ char *section;
+ char *option;
+ char *value;
+};
/* linked list handling */