static int package_cmd(int cmd, char *tuple)
{
- struct uci_package *p;
- struct uci_section *s;
struct uci_element *e = NULL;
+ struct uci_ptr ptr;
- if (uci_lookup_ext(ctx, &e, tuple) != UCI_OK) {
+ if (uci_lookup_ptr(ctx, &ptr, tuple, true) != UCI_OK) {
cli_perror();
return 1;
}
- switch(e->type) {
- case UCI_TYPE_PACKAGE:
- p = uci_to_package(e);
- break;
- case UCI_TYPE_SECTION:
- s = uci_to_section(e);
- p = s->package;
- break;
- case UCI_TYPE_OPTION:
- s = uci_to_option(e)->section;
- p = s->package;
- break;
- default:
- return 0;
- }
+
+ if (ptr.o)
+ e = &ptr.o->e;
+ else if (ptr.s)
+ e = &ptr.s->e;
+ else
+ e = &ptr.p->e;
switch(cmd) {
case CMD_CHANGES:
- uci_show_changes(p);
+ uci_show_changes(ptr.p);
break;
case CMD_COMMIT:
if (flags & CLI_FLAG_NOCOMMIT)
return 0;
- if (uci_commit(ctx, &p, false) != UCI_OK)
+ if (uci_commit(ctx, &ptr.p, false) != UCI_OK)
cli_perror();
break;
case CMD_EXPORT:
- uci_export(ctx, stdout, p, true);
+ uci_export(ctx, stdout, ptr.p, true);
break;
case CMD_SHOW:
switch(e->type) {
case UCI_TYPE_PACKAGE:
- uci_show_package(p);
+ uci_show_package(ptr.p);
break;
case UCI_TYPE_SECTION:
- uci_show_section(uci_to_section(e));
+ uci_show_section(ptr.s);
break;
case UCI_TYPE_OPTION:
- uci_show_option(uci_to_option(e));
+ uci_show_option(ptr.o);
break;
default:
/* should not happen */
break;
}
- uci_unload(ctx, p);
+ uci_unload(ctx, ptr.p);
return 0;
}
static int uci_do_section_cmd(int cmd, int argc, char **argv)
{
- struct uci_package *p = NULL;
- struct uci_section *s = NULL;
- struct uci_element *e = NULL;
- struct uci_option *o = NULL;
- char *section = NULL;
- char *option = NULL;
- char *value = NULL;
+ struct uci_element *e;
+ struct uci_ptr ptr;
int ret = UCI_OK;
- char *str;
if (argc != 2)
return 255;
- value = strchr(argv[1], '=');
- if (value) {
- *value = 0;
- value++;
- if (!uci_validate_text(value))
- return 1;
- }
-
- if (value && (cmd != CMD_SET) && (cmd != CMD_ADD_LIST) && (cmd != CMD_RENAME))
- return 1;
-
- do {
- str = strchr(argv[1], '.'); /* look up section part */
- if (!str)
- break;
-
- str++;
- str = strchr(str, '.'); /* look up option part */
- if (!str)
- break;
-
- /* separate option from the rest of the pointer */
- *str = 0;
- option = str + 1;
- } while (0);
-
- if (uci_lookup_ext(ctx, &e, argv[1]) != UCI_OK) {
+ if (uci_lookup_ptr(ctx, &ptr, argv[1], true) != UCI_OK) {
cli_perror();
return 1;
}
- switch(e->type) {
- case UCI_TYPE_PACKAGE:
- p = uci_to_package(e);
- break;
- case UCI_TYPE_SECTION:
- s = uci_to_section(e);
- break;
- default:
+ if (ptr.value && (cmd != CMD_SET) && (cmd != CMD_ADD_LIST) && (cmd != CMD_RENAME))
return 1;
- }
- if (s) {
- section = s->e.name;
- p = s->package;
- }
+
+ if (ptr.o)
+ e = &ptr.o->e;
+ else if (ptr.s)
+ e = &ptr.s->e;
+ else
+ e = &ptr.p->e;
switch(cmd) {
case CMD_GET:
switch(e->type) {
case UCI_TYPE_SECTION:
- printf("%s\n", s->type);
+ printf("%s\n", ptr.s->type);
break;
case UCI_TYPE_OPTION:
- o = uci_to_option(e);
- uci_show_value(o);
+ uci_show_value(ptr.o);
break;
default:
break;
/* throw the value to stdout */
break;
case CMD_RENAME:
- ret = uci_rename(ctx, p, section, option, value);
+ ret = uci_rename(ctx, &ptr);
break;
case CMD_REVERT:
- ret = uci_revert(ctx, &p, section, option);
+ ret = uci_revert(ctx, &ptr.p, ptr.section, ptr.option);
break;
case CMD_SET:
- ret = uci_set(ctx, p, section, option, value, NULL);
+ ret = uci_set(ctx, ptr.p, ptr.section, ptr.option, ptr.value, NULL);
break;
case CMD_ADD_LIST:
- ret = uci_add_list(ctx, p, section, option, value, NULL);
+ ret = uci_add_list(ctx, &ptr);
break;
case CMD_DEL:
- ret = uci_delete(ctx, p, section, option);
+ ret = uci_delete(ctx, &ptr);
break;
}
/* save changes, but don't commit them yet */
if (ret == UCI_OK)
- ret = uci_save(ctx, p);
+ ret = uci_save(ctx, ptr.p);
if (ret != UCI_OK) {
cli_perror();
*package = NULL;
}
+static void
+uci_free_any(struct uci_element **e)
+{
+ switch((*e)->type) {
+ case UCI_TYPE_SECTION:
+ uci_free_section(uci_to_section(*e));
+ break;
+ case UCI_TYPE_OPTION:
+ uci_free_option(uci_to_option(*e));
+ break;
+ default:
+ break;
+ }
+ *e = NULL;
+}
+
static struct uci_element *uci_lookup_list(struct uci_list *list, const char *name)
{
struct uci_element *e;
return NULL;
}
-int uci_lookup_ext(struct uci_context *ctx, struct uci_element **res, char *str)
+static struct uci_element *uci_lookup_ext_section(struct uci_context *ctx, struct uci_ptr *ptr)
{
- struct uci_package *p = NULL;
- struct uci_element *e;
+ char *idxstr, *t, *section, *name;
+ struct uci_element *e = NULL;
struct uci_section *s;
- struct uci_ptr ptr;
- char *idxstr, *t;
int idx, c;
- UCI_HANDLE_ERR(ctx);
- UCI_ASSERT(ctx, res != NULL);
- UCI_ASSERT(ctx, str != NULL);
-
- UCI_INTERNAL(uci_parse_ptr, ctx, &ptr, str);
+ section = uci_strdup(ctx, ptr->section);
+ name = idxstr = section + 1;
- /* look up the package first */
- e = uci_lookup_list(&ctx->root, ptr.package);
- if (!e) {
- UCI_INTERNAL(uci_load, ctx, ptr.package, &p);
- if (!p)
- goto notfound;
- e = &p->e;
- } else {
- p = uci_to_package(e);
- }
-
- if (!ptr.section)
- goto done;
-
- /* if the section name validates as a regular name, pass through
- * to the regular uci_lookup function call */
- if (!(ptr.flags & UCI_LOOKUP_EXTENDED)) {
- UCI_INTERNAL(uci_lookup, ctx, &e, p, ptr.section, ptr.option);
- goto done;
- }
-
- /* name did not validate, that means we have an extended lookup call
- * parse it here. for now only the section index syntax is supported */
- if (ptr.section[0] != '@')
+ if (section[0] != '@')
goto error;
- ptr.section++;
-
/* parse the section index part */
- idxstr = strchr(ptr.section, '[');
+ idxstr = strchr(idxstr, '[');
if (!idxstr)
goto error;
*idxstr = 0;
if (t && *t)
goto error;
- if (!*ptr.section)
- ptr.section = NULL;
- if (ptr.section && !uci_validate_str(ptr.section, false))
+ if (!*name)
+ name = NULL;
+ else if (!uci_validate_str(name, false))
goto error;
/* if the given index is negative, it specifies the section number from
* the end of the list */
if (idx < 0) {
c = 0;
- uci_foreach_element(&p->sections, e) {
+ uci_foreach_element(&ptr->p->sections, e) {
s = uci_to_section(e);
- if (ptr.section && (strcmp(s->type, ptr.section) != 0))
+ if (name && (strcmp(s->type, name) != 0))
continue;
c++;
}
c = 0;
- uci_foreach_element(&p->sections, e) {
+ uci_foreach_element(&ptr->p->sections, e) {
s = uci_to_section(e);
- if (ptr.section && (strcmp(s->type, ptr.section) != 0))
+ if (name && (strcmp(s->type, name) != 0))
continue;
if (idx == c)
- goto found;
+ goto done;
c++;
}
- goto notfound;
-
-found:
- if (ptr.option)
- e = uci_lookup_list(&s->options, ptr.option);
-done:
- *res = e;
- return 0;
+ e = NULL;
+ goto done;
-notfound:
- UCI_THROW(ctx, UCI_ERR_NOTFOUND);
error:
+ e = NULL;
+ memset(ptr, 0, sizeof(struct uci_ptr));
UCI_THROW(ctx, UCI_ERR_INVAL);
- return 0;
+done:
+ free(section);
+ return e;
}
-int uci_lookup(struct uci_context *ctx, struct uci_element **res, struct uci_package *p, const char *section, const char *option)
+int uci_lookup_ptr(struct uci_context *ctx, struct uci_ptr *ptr, char *str, bool extended)
{
struct uci_element *e;
- struct uci_section *s;
UCI_HANDLE_ERR(ctx);
- UCI_ASSERT(ctx, res != NULL);
- UCI_ASSERT(ctx, p != NULL);
- UCI_ASSERT(ctx, section && uci_validate_name(section));
- if (option)
- UCI_ASSERT(ctx, uci_validate_name(option));
+ UCI_ASSERT(ctx, ptr != NULL);
+
+ if (str)
+ UCI_INTERNAL(uci_parse_ptr, ctx, ptr, str);
+
+ ptr->flags |= UCI_LOOKUP_DONE;
+
+ /* look up the package first */
+ e = uci_lookup_list(&ctx->root, ptr->package);
+ if (!e) {
+ UCI_INTERNAL(uci_load, ctx, ptr->package, &ptr->p);
+ if (!ptr->p)
+ goto notfound;
+ } else {
+ ptr->p = uci_to_package(e);
+ }
+
+ if (!ptr->section)
+ goto complete;
+
+ /* if the section name validates as a regular name, pass through
+ * to the regular uci_lookup function call */
+ if (ptr->flags & UCI_LOOKUP_EXTENDED)
+ e = uci_lookup_ext_section(ctx, ptr);
+ else
+ e = uci_lookup_list(&ptr->p->sections, ptr->section);
- e = uci_lookup_list(&p->sections, section);
if (!e)
- goto notfound;
+ goto abort;
- if (option) {
- s = uci_to_section(e);
- e = uci_lookup_list(&s->options, option);
+ ptr->s = uci_to_section(e);
+
+ if (ptr->option) {
+ e = uci_lookup_list(&ptr->s->options, ptr->option);
if (!e)
- goto notfound;
+ goto abort;
+
+ ptr->o = uci_to_option(e);
}
- *res = e;
+complete:
+ ptr->flags |= UCI_LOOKUP_COMPLETE;
+abort:
return 0;
notfound:
return 0;
}
-int uci_del_element(struct uci_context *ctx, struct uci_element *e)
+int
+uci_fill_ptr(struct uci_context *ctx, struct uci_ptr *ptr, struct uci_element *e, bool complete)
{
- /* NB: UCI_INTERNAL use means without history tracking */
- bool internal = ctx->internal;
- struct uci_package *p = NULL;
- struct uci_section *s = NULL;
- struct uci_option *o = NULL;
- struct uci_element *i, *tmp;
- char *option = NULL;
-
UCI_HANDLE_ERR(ctx);
+ UCI_ASSERT(ctx, ptr != NULL);
UCI_ASSERT(ctx, e != NULL);
+ memset(ptr, 0, sizeof(struct uci_ptr));
switch(e->type) {
- case UCI_TYPE_SECTION:
- s = uci_to_section(e);
- uci_foreach_element_safe(&s->options, tmp, i) {
- uci_del_element(ctx, i);
- }
- break;
case UCI_TYPE_OPTION:
- o = uci_to_option(e);
- s = o->section;
- p = s->package;
- option = e->name;
- break;
+ ptr->o = uci_to_option(e);
+ goto fill_option;
+ case UCI_TYPE_SECTION:
+ ptr->s = uci_to_section(e);
+ goto fill_section;
+ case UCI_TYPE_PACKAGE:
+ ptr->p = uci_to_package(e);
+ goto fill_package;
default:
UCI_THROW(ctx, UCI_ERR_INVAL);
- break;
}
- p = s->package;
- if (!internal && p->has_history)
- uci_add_history(ctx, &p->history, UCI_CMD_REMOVE, s->e.name, option, NULL);
+fill_option:
+ ptr->option = ptr->o->e.name;
+ ptr->s = ptr->o->section;
+fill_section:
+ ptr->section = ptr->s->e.name;
+ ptr->p = ptr->s->package;
+fill_package:
+ ptr->package = ptr->p->e.name;
- switch(e->type) {
- case UCI_TYPE_SECTION:
- uci_free_section(s);
- break;
- case UCI_TYPE_OPTION:
- uci_free_option(o);
- break;
- default:
- break;
- }
+ ptr->flags |= UCI_LOOKUP_DONE;
+ if (complete)
+ ptr->flags |= UCI_LOOKUP_COMPLETE;
return 0;
}
-int uci_add_element_list(struct uci_context *ctx, struct uci_option *o, const char *value)
+static struct uci_element *
+expand_ptr(struct uci_context *ctx, struct uci_ptr *ptr, bool complete)
{
- struct uci_element *e;
- struct uci_package *p;
- struct uci_section *s;
- bool internal = ctx->internal;
+ UCI_ASSERT(ctx, ptr != NULL);
- UCI_HANDLE_ERR(ctx);
- UCI_ASSERT(ctx, (o != NULL) && (o->type == UCI_TYPE_LIST) && uci_validate_text(value));
+ if (!(ptr->flags & UCI_LOOKUP_DONE))
+ uci_lookup_ptr(ctx, ptr, NULL, 1);
+ if (complete && !(ptr->flags & UCI_LOOKUP_COMPLETE))
+ UCI_THROW(ctx, UCI_ERR_NOTFOUND);
+ UCI_ASSERT(ctx, ptr->p != NULL);
+
+ /* fill in missing string info */
+ if (ptr->p && !ptr->package)
+ ptr->package = ptr->p->e.name;
+ if (ptr->s && !ptr->section)
+ ptr->section = ptr->s->e.name;
+ if (ptr->o && !ptr->option)
+ ptr->option = ptr->o->e.name;
+
+ if (ptr->o)
+ return &ptr->o->e;
+ if (ptr->s)
+ return &ptr->s->e;
+ if (ptr->p)
+ return &ptr->p->e;
+ else
+ return NULL;
+}
- s = o->section;
- p = s->package;
+static void uci_add_element_list(struct uci_context *ctx, struct uci_ptr *ptr, bool internal)
+{
+ struct uci_element *e;
+ struct uci_package *p;
+ p = ptr->p;
if (!internal && p->has_history)
- uci_add_history(ctx, &p->history, UCI_CMD_LIST_ADD, s->e.name, o->e.name, value);
+ uci_add_history(ctx, &p->history, UCI_CMD_LIST_ADD, ptr->section, ptr->option, ptr->value);
- e = uci_alloc_generic(ctx, UCI_TYPE_ITEM, value, sizeof(struct uci_option));
- uci_list_add(&o->v.list, &e->list);
-
- return 0;
+ e = uci_alloc_generic(ctx, UCI_TYPE_ITEM, ptr->value, sizeof(struct uci_option));
+ uci_list_add(&ptr->o->v.list, &e->list);
}
int uci_set_element_value(struct uci_context *ctx, struct uci_element **element, const char *value)
if ((e->type == UCI_TYPE_OPTION) && (size == 0)) {
o = uci_alloc_option(s, option, value);
- UCI_INTERNAL(uci_del_element, ctx, e);
+ uci_free_any(&e);
*element = &o->e;
goto done;
}
return 0;
}
-int uci_rename(struct uci_context *ctx, struct uci_package *p, char *section, char *option, char *name)
+int uci_rename(struct uci_context *ctx, struct uci_ptr *ptr)
{
/* NB: UCI_INTERNAL use means without history tracking */
bool internal = ctx->internal;
struct uci_element *e;
+ struct uci_package *p;
+ char *n;
UCI_HANDLE_ERR(ctx);
- /* NB: p, section, option validated by uci_lookup */
- UCI_INTERNAL(uci_lookup, ctx, &e, p, section, option);
+ e = expand_ptr(ctx, ptr, true);
+ p = ptr->p;
+
+ UCI_ASSERT(ctx, ptr->s);
+ UCI_ASSERT(ctx, ptr->value);
if (!internal && p->has_history)
- uci_add_history(ctx, &p->history, UCI_CMD_RENAME, section, option, name);
+ uci_add_history(ctx, &p->history, UCI_CMD_RENAME, ptr->section, ptr->option, ptr->value);
- name = uci_strdup(ctx, name);
+ n = uci_strdup(ctx, ptr->value);
if (e->name)
free(e->name);
- e->name = name;
+ e->name = n;
return 0;
}
return 0;
}
-int uci_delete(struct uci_context *ctx, struct uci_package *p, const char *section, const char *option)
+int uci_delete(struct uci_context *ctx, struct uci_ptr *ptr)
{
/* NB: pass on internal flag to uci_del_element */
bool internal = ctx->internal;
+ struct uci_package *p;
struct uci_element *e;
UCI_HANDLE_ERR(ctx);
- /* NB: p, section, option validated by uci_lookup */
- UCI_INTERNAL(uci_lookup, ctx, &e, p, section, option);
+ e = expand_ptr(ctx, ptr, true);
+ p = ptr->p;
- ctx->internal = internal;
- return uci_del_element(ctx, e);
+ UCI_ASSERT(ctx, ptr->s);
+
+ if (!internal && p->has_history)
+ uci_add_history(ctx, &p->history, UCI_CMD_REMOVE, ptr->section, ptr->option, NULL);
+
+ uci_free_any(&e);
+ return 0;
}
-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)
+int uci_add_list(struct uci_context *ctx, struct uci_ptr *ptr)
{
/* NB: UCI_INTERNAL use means without history tracking */
bool internal = ctx->internal;
- struct uci_element *e;
- struct uci_section *s;
- struct uci_option *o;
struct uci_option *prev = NULL;
const char *value2 = NULL;
UCI_HANDLE_ERR(ctx);
- UCI_ASSERT(ctx, p && section && option && value && uci_validate_text(value));
- /* look up the section first */
- UCI_INTERNAL(uci_lookup, ctx, &e, p, section, NULL);
- s = uci_to_section(e);
+ expand_ptr(ctx, ptr, false);
+ UCI_ASSERT(ctx, ptr->s);
+ UCI_ASSERT(ctx, ptr->value);
- e = uci_lookup_list(&s->options, option);
- if (e) {
- o = uci_to_option(e);
- switch (o->type) {
+ if (ptr->o) {
+ switch (ptr->o->type) {
case UCI_TYPE_STRING:
- /* we already have a string value, let's convert that to a list */
- prev = o;
- value2 = value;
- value = o->v.string;
+ /* we already have a string value, convert that to a list */
+ prev = ptr->o;
+ value2 = ptr->value;
+ ptr->value = ptr->o->v.string;
break;
case UCI_TYPE_LIST:
- if (result)
- *result = o;
-
- ctx->internal = internal;
- return uci_add_element_list(ctx, o, value);
+ uci_add_element_list(ctx, ptr, internal);
+ return 0;
default:
UCI_THROW(ctx, UCI_ERR_INVAL);
break;
}
}
- o = uci_alloc_list(s, option);
- if (result)
- *result = o;
+ ptr->o = uci_alloc_list(ptr->s, ptr->option);
if (prev) {
- UCI_INTERNAL(uci_add_element_list, ctx, o, value);
+ uci_add_element_list(ctx, ptr, true);
uci_free_option(prev);
- value = value2;
+ ptr->value = value2;
}
+ uci_add_element_list(ctx, ptr, internal);
- ctx->internal = internal;
- return uci_add_element_list(ctx, o, value);
+ return 0;
}
int uci_set(struct uci_context *ctx, struct uci_package *p, const char *section, const char *option, const char *value, struct uci_element **result)
extern int uci_unload(struct uci_context *ctx, struct uci_package *p);
/**
- * uci_lookup: Look up an uci element
- *
- * @ctx: uci context
- * @res: where to store the result
- * @package: uci_package struct
- * @section: config section (optional)
- * @option: option to search for (optional)
- *
- * 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, const char *section, const char *option);
-
-/**
- * uci_lookup_ptr: Split an uci tuple string and look up elements
+ * uci_lookup_ptr: Split an uci tuple string and look up an element tree
* @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.
+ * if extended is set to true, uci_lookup_ptr supports the following
+ * extended syntax:
*
* 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);
+extern int uci_lookup_ptr(struct uci_context *ctx, struct uci_ptr *ptr, char *str, bool extended);
/**
* uci_add_section: Add an unnamed section
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
* @ctx: uci context
* @package: package name
/**
* 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)
+ * @ptr: uci pointer (with value)
*
- * Note: if the given option already contains a string, convert it to an 1-element-list
- * before appending the next element
+ * Note: if the given option already contains a string value,
+ * it will be converted 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);
+extern int uci_add_list(struct uci_context *ctx, struct uci_ptr *ptr);
/**
* uci_rename: Rename an element
* @ctx: uci context
- * @package: package name
- * @section: section name
- * @option: option name
- * @name: new name
+ * @ptr: uci pointer (with value)
*/
-extern int uci_rename(struct uci_context *ctx, struct uci_package *p, char *section, char *option, char *name);
-
-/**
- * uci_delete_element: Delete a section or option
- * @ctx: uci context
- * @e: element (section or option)
- */
-extern int uci_delete_element(struct uci_context *ctx, struct uci_element *e);
+extern int uci_rename(struct uci_context *ctx, struct uci_ptr *ptr);
/**
* uci_delete: Delete a section or option
* @ctx: uci context
- * @p: uci package
- * @section: section name
- * @option: option name (optional)
+ * @ptr: uci pointer
*/
-extern int uci_delete(struct uci_context *ctx, struct uci_package *p, const char *section, const char *option);
+extern int uci_delete(struct uci_context *ctx, struct uci_ptr *ptr);
/**
* uci_save: save change history for a package
int err;
const char *func;
jmp_buf trap;
- bool internal;
+ bool internal, nested;
char *buf;
int bufsz;
};
struct uci_package *p;
struct uci_section *s;
struct uci_option *o;
+ struct uci_element *last;
- char *package;
- char *section;
- char *option;
- char *value;
+ const char *package;
+ const char *section;
+ const char *option;
+ const char *value;
};
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