* GNU General Public License for more details.
*/
#include <strings.h>
+#include <stdbool.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "ucimap.h"
+struct uci_alloc {
+ enum ucimap_type type;
+ union {
+ void **ptr;
+ } data;
+};
+
+struct uci_fixup {
+ struct list_head list;
+ struct uci_sectionmap *sm;
+ const char *name;
+ enum ucimap_type type;
+ union ucimap_data *data;
+};
+
+#define ucimap_foreach_option(_sm, _o) \
+ if (!(_sm)->options_size) \
+ (_sm)->options_size = sizeof(struct uci_optmap); \
+ for (_o = &(_sm)->options[0]; \
+ ((char *)(_o)) < ((char *) &(_sm)->options[0] + \
+ (_sm)->options_size * (_sm)->n_options); \
+ _o = (struct uci_optmap *) ((char *)(_o) + \
+ (_sm)->options_size))
+
+
+static inline bool
+ucimap_is_alloc(enum ucimap_type type)
+{
+ switch(type & UCIMAP_SUBTYPE) {
+ case UCIMAP_STRING:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static inline bool
+ucimap_is_fixup(enum ucimap_type type)
+{
+ switch(type & UCIMAP_SUBTYPE) {
+ case UCIMAP_SECTION:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static inline bool
+ucimap_is_simple(enum ucimap_type type)
+{
+ return ((type & UCIMAP_TYPE) == UCIMAP_SIMPLE);
+}
+
+static inline bool
+ucimap_is_list(enum ucimap_type type)
+{
+ return ((type & UCIMAP_TYPE) == UCIMAP_LIST);
+}
+
+static inline bool
+ucimap_is_custom(enum ucimap_type type)
+{
+ return ((type & UCIMAP_SUBTYPE) == UCIMAP_CUSTOM);
+}
+
+static inline void *
+ucimap_section_ptr(struct ucimap_section_data *sd)
+{
+ return ((char *) sd - sd->sm->smap_offset);
+}
+
+static inline union ucimap_data *
+ucimap_get_data(struct ucimap_section_data *sd, struct uci_optmap *om)
+{
+ void *data;
+
+ data = (char *) ucimap_section_ptr(sd) + om->offset;
+ return data;
+}
int
ucimap_init(struct uci_map *map)
{
INIT_LIST_HEAD(&map->sdata);
+ INIT_LIST_HEAD(&map->fixup);
return 0;
}
static void
-ucimap_free_section(struct uci_map *map, struct uci_sectmap_data *sd)
+ucimap_free_item(struct uci_alloc *a)
+{
+ switch(a->type & UCIMAP_TYPE) {
+ case UCIMAP_SIMPLE:
+ case UCIMAP_LIST:
+ free(a->data.ptr);
+ break;
+ }
+}
+
+static void
+ucimap_add_alloc(struct ucimap_section_data *sd, void *ptr)
{
- void *section = sd;
+ struct uci_alloc *a = &sd->allocmap[sd->allocmap_len++];
+ a->type = UCIMAP_SIMPLE;
+ a->data.ptr = ptr;
+}
+
+static void
+ucimap_free_section(struct uci_map *map, struct ucimap_section_data *sd)
+{
+ void *section;
int i;
- section = (char *) section + sizeof(struct uci_sectmap_data);
+ section = ucimap_section_ptr(sd);
if (!list_empty(&sd->list))
list_del(&sd->list);
- if (sd->sm->free_section)
- sd->sm->free_section(map, section);
+ if (sd->sm->free)
+ sd->sm->free(map, section);
for (i = 0; i < sd->allocmap_len; i++) {
- free(sd->allocmap[i]);
+ ucimap_free_item(&sd->allocmap[i]);
}
free(sd->allocmap);
struct list_head *ptr, *tmp;
list_for_each_safe(ptr, tmp, &map->sdata) {
- struct uci_sectmap_data *sd = list_entry(ptr, struct uci_sectmap_data, list);
+ struct ucimap_section_data *sd = list_entry(ptr, struct ucimap_section_data, list);
ucimap_free_section(map, sd);
}
}
+static void
+ucimap_add_fixup(struct uci_map *map, union ucimap_data *data, struct uci_optmap *om, const char *str)
+{
+ struct uci_fixup *f;
+
+ f = malloc(sizeof(struct uci_fixup));
+ if (!f)
+ return;
+
+ INIT_LIST_HEAD(&f->list);
+ f->sm = om->data.sm;
+ f->name = str;
+ f->type = om->type;
+ f->data = data;
+ list_add(&f->list, &map->fixup);
+}
+
+static void
+ucimap_add_value(union ucimap_data *data, struct uci_optmap *om, struct ucimap_section_data *sd, const char *str)
+{
+ union ucimap_data tdata = *data;
+ char *eptr = NULL;
+ char *s;
+ int val;
+
+ if (ucimap_is_list(om->type) && !ucimap_is_fixup(om->type))
+ data = &data->list->item[data->list->n_items++];
+
+ switch(om->type & UCIMAP_SUBTYPE) {
+ case UCIMAP_STRING:
+ if ((om->data.s.maxlen > 0) &&
+ (strlen(str) > om->data.s.maxlen))
+ return;
+
+ s = strdup(str);
+ tdata.s = s;
+ ucimap_add_alloc(sd, s);
+ break;
+ case UCIMAP_BOOL:
+ val = -1;
+ if (strcmp(str, "on"))
+ val = true;
+ else if (strcmp(str, "1"))
+ val = true;
+ else if (strcmp(str, "enabled"))
+ val = true;
+ else if (strcmp(str, "off"))
+ val = false;
+ else if (strcmp(str, "0"))
+ val = false;
+ else if (strcmp(str, "disabled"))
+ val = false;
+ if (val == -1)
+ return;
+
+ tdata.b = val;
+ break;
+ case UCIMAP_INT:
+ val = strtol(str, &eptr, om->data.i.base);
+ if (!eptr || *eptr == '\0')
+ tdata.i = val;
+ else
+ return;
+ break;
+ case UCIMAP_SECTION:
+ ucimap_add_fixup(sd->map, data, om, str);
+ return;
+ case UCIMAP_CUSTOM:
+ tdata.s = (char *) data;
+ break;
+ }
+ if (om->parse) {
+ if (om->parse(ucimap_section_ptr(sd), om, &tdata, str) < 0)
+ return;
+ }
+ if (ucimap_is_custom(om->type))
+ return;
+ memcpy(data, &tdata, sizeof(union ucimap_data));
+}
+
static int
-ucimap_parse_options(struct uci_map *map, struct uci_sectmap *sm, struct uci_sectmap_data *sd, struct uci_section *s)
+ucimap_parse_options(struct uci_map *map, struct uci_sectionmap *sm, struct ucimap_section_data *sd, struct uci_section *s)
{
- struct uci_element *e;
+ struct uci_element *e, *l;
struct uci_option *o;
- void *section = sd;
- int i;
+ union ucimap_data *data;
- section = (unsigned char *) section + sizeof(struct uci_sectmap_data);
uci_foreach_element(&s->options, e) {
- struct uci_optmap *om = NULL;
+ struct uci_optmap *om = NULL, *tmp;
- for (i = 0; i < sm->n_options; i++) {
- if (strcmp(e->name, sm->options[i].name) == 0) {
- om = &sm->options[i];
+ ucimap_foreach_option(sm, tmp) {
+ if (strcmp(e->name, tmp->name) == 0) {
+ om = tmp;
break;
}
}
if (!om)
- goto next_element;
+ continue;
+ data = ucimap_get_data(sd, om);
o = uci_to_option(e);
- if(o->type != UCI_TYPE_STRING)
- goto next_element;
-
- switch(om->type) {
- case UCIMAP_STRING: {
- char **ptr;
- if ((om->data.s.maxlen > 0) &&
- (strlen(o->v.string) > om->data.s.maxlen))
- goto next_element;
-
- ptr = (char **) ((char *) section + om->offset);
- *ptr = strdup(o->v.string);
- sd->allocmap[sd->allocmap_len++] = *ptr;
- } break;
- case UCIMAP_BOOL: {
- bool *ptr = (bool *)((char *)section + om->offset);
- if (strcmp(o->v.string, "on"))
- *ptr = true;
- else if (strcmp(o->v.string, "1"))
- *ptr = true;
- else if (strcmp(o->v.string, "enabled"))
- *ptr = true;
- else
- *ptr = false;
- } break;
- case UCIMAP_INT: {
- int *ptr = (int *)((char *)section + om->offset);
- char *eptr = NULL;
- int val;
-
- val = strtol(o->v.string, &eptr, om->data.i.base);
- if (!eptr || *eptr == '\0')
- *ptr = val;
- } break;
+ if ((o->type == UCI_TYPE_STRING) && ucimap_is_simple(om->type)) {
+ ucimap_add_value(data, om, sd, o->v.string);
+ } else if ((o->type == UCI_TYPE_LIST) && ucimap_is_list(om->type)) {
+ uci_foreach_element(&o->v.list, l) {
+ ucimap_add_value(data, om, sd, l->name);
+ }
}
-next_element:
- continue;
}
return 0;
static int
-ucimap_parse_section(struct uci_map *map, struct uci_sectmap *sm, struct uci_section *s)
+ucimap_parse_section(struct uci_map *map, struct uci_sectionmap *sm, struct uci_section *s)
{
- struct uci_sectmap_data *sd = NULL;
- void *section = NULL;
+ struct ucimap_section_data *sd = NULL;
+ struct uci_optmap *om;
+ char *section_name;
+ void *section;
+ int n_alloc = 2;
int err;
- sd = malloc(sm->alloc_len + sizeof(struct uci_sectmap_data));
+ if (sm->alloc) {
+ sd = sm->alloc(map, sm, s);
+ memset(sd, 0, sizeof(struct ucimap_section_data));
+ } else {
+ sd = malloc(sm->alloc_len);
+ memset(sd, 0, sm->alloc_len);
+ }
+
if (!sd)
return UCI_ERR_MEM;
- memset(sd, 0, sm->alloc_len + sizeof(struct uci_sectmap_data));
INIT_LIST_HEAD(&sd->list);
-
+ sd->map = map;
sd->sm = sm;
- sd->allocmap = malloc(sm->n_options * sizeof(void *));
+
+ ucimap_foreach_option(sm, om) {
+ if (ucimap_is_list(om->type)) {
+ union ucimap_data *data;
+ struct uci_element *e;
+ int n_elements = 0;
+ int size;
+
+ data = ucimap_get_data(sd, om);
+ uci_foreach_element(&s->options, e) {
+ struct uci_option *o = uci_to_option(e);
+ struct uci_element *tmp;
+
+ if (strcmp(e->name, om->name) != 0)
+ continue;
+
+ uci_foreach_element(&o->v.list, tmp) {
+ n_elements++;
+ }
+ break;
+ }
+ n_alloc += n_elements + 1;
+ size = sizeof(struct ucimap_list) +
+ n_elements * sizeof(union ucimap_data);
+ data->list = malloc(size);
+ memset(data->list, 0, size);
+ } else if (ucimap_is_alloc(om->type)) {
+ n_alloc++;
+ }
+ }
+
+ sd->allocmap = malloc(n_alloc * sizeof(struct uci_alloc));
if (!sd->allocmap)
goto error_mem;
- sd->section_name = strdup(s->e.name);
- if (!sd->section_name)
+ section_name = strdup(s->e.name);
+ if (!section_name)
goto error_mem;
+ sd->section_name = section_name;
+
sd->cmap = malloc(BITFIELD_SIZE(sm->n_options));
if (!sd->cmap)
goto error_mem;
memset(sd->cmap, 0, BITFIELD_SIZE(sm->n_options));
- sd->allocmap[sd->allocmap_len++] = (void *)sd->section_name;
- sd->allocmap[sd->allocmap_len++] = (void *)sd->cmap;
+ ucimap_add_alloc(sd, (void *)section_name);
+ ucimap_add_alloc(sd, (void *)sd->cmap);
+ ucimap_foreach_option(sm, om) {
+ if (!ucimap_is_list(om->type))
+ continue;
- section = (char *)sd + sizeof(struct uci_sectmap_data);
+ ucimap_add_alloc(sd, ucimap_get_data(sd, om)->list);
+ }
- err = sm->init_section(map, section, s);
+ section = ucimap_section_ptr(sd);
+ err = sm->init(map, section, s);
if (err)
goto error;
if (err)
goto error;
- err = sm->add_section(map, section);
- if (err)
- goto error;
-
return 0;
error_mem:
}
void
-ucimap_set_changed(void *section, void *field)
+ucimap_set_changed(struct ucimap_section_data *sd, void *field)
{
- char *sptr = (char *)section - sizeof(struct uci_sectmap_data);
- struct uci_sectmap_data *sd = (struct uci_sectmap_data *) sptr;
- struct uci_sectmap *sm = sd->sm;
+ void *section = ucimap_section_ptr(sd);
+ struct uci_sectionmap *sm = sd->sm;
+ struct uci_optmap *om;
int ofs = (char *)field - (char *)section;
- int i;
+ int i = 0;
- for (i = 0; i < sm->n_options; i++) {
- if (sm->options[i].offset == ofs) {
+ ucimap_foreach_option(sm, om) {
+ if (om->offset == ofs) {
SET_BIT(sd->cmap, i);
break;
}
+ i++;
}
}
int
ucimap_store_section(struct uci_map *map, struct uci_package *p, void *section)
{
- char *sptr = (char *)section - sizeof(struct uci_sectmap_data);
- struct uci_sectmap_data *sd = (struct uci_sectmap_data *) sptr;
- struct uci_sectmap *sm = sd->sm;
+ char *sptr = (char *)section - sizeof(struct ucimap_section_data);
+ struct ucimap_section_data *sd = (struct ucimap_section_data *) sptr;
+ struct uci_sectionmap *sm = sd->sm;
struct uci_section *s = NULL;
+ struct uci_optmap *om;
struct uci_element *e;
struct uci_ptr ptr;
- int i, ret;
+ int i = 0;
+ int ret;
uci_foreach_element(&p->sections, e) {
if (!strcmp(e->name, sd->section_name)) {
if (!s)
return UCI_ERR_NOTFOUND;
- for (i = 0; i < sm->n_options; i++) {
- struct uci_optmap *om = &sm->options[i];
+ ucimap_foreach_option(sm, om) {
+ union ucimap_data *data;
static char buf[32];
const char *str = NULL;
- void *p = (char *)section + om->offset;
+ if (ucimap_is_list(om->type))
+ continue;
+
+ data = ucimap_get_data(sd, om);
if (!TEST_BIT(sd->cmap, i))
continue;
ucimap_fill_ptr(&ptr, s, om->name);
- switch(om->type) {
+ switch(om->type & UCIMAP_SUBTYPE) {
case UCIMAP_STRING:
- str = *((char **) p);
+ str = data->s;
break;
case UCIMAP_INT:
- sprintf(buf, "%d", *((int *) p));
+ sprintf(buf, "%d", data->i);
str = buf;
break;
case UCIMAP_BOOL:
- sprintf(buf, "%d", !!*((bool *)p));
+ sprintf(buf, "%d", !!data->b);
str = buf;
break;
+ default:
+ continue;
}
ptr.value = str;
return ret;
CLR_BIT(sd->cmap, i);
+ i++;
}
return 0;
}
+void *
+ucimap_find_section(struct uci_map *map, struct uci_fixup *f)
+{
+ struct ucimap_section_data *sd;
+ struct list_head *p;
+
+ list_for_each(p, &map->sdata) {
+ sd = list_entry(p, struct ucimap_section_data, list);
+ if (sd->sm != f->sm)
+ continue;
+ if (strcmp(f->name, sd->section_name) != 0)
+ continue;
+ return ucimap_section_ptr(sd);
+ }
+ return NULL;
+}
void
ucimap_parse(struct uci_map *map, struct uci_package *pkg)
{
struct uci_element *e;
+ struct list_head *p, *tmp;
int i;
+ INIT_LIST_HEAD(&map->fixup);
uci_foreach_element(&pkg->sections, e) {
struct uci_section *s = uci_to_section(e);
for (i = 0; i < map->n_sections; i++) {
- if (strcmp(s->type, map->sections[i].type) != 0)
+ if (strcmp(s->type, map->sections[i]->type) != 0)
continue;
- ucimap_parse_section(map, &map->sections[i], s);
+ ucimap_parse_section(map, map->sections[i], s);
}
}
+ list_for_each_safe(p, tmp, &map->fixup) {
+ struct uci_fixup *f = list_entry(p, struct uci_fixup, list);
+ void *ptr = ucimap_find_section(map, f);
+ struct ucimap_list *list;
+
+ if (!ptr)
+ continue;
+
+ switch(f->type & UCIMAP_TYPE) {
+ case UCIMAP_SIMPLE:
+ f->data->section = ptr;
+ break;
+ case UCIMAP_LIST:
+ list = f->data->list;
+ list->item[list->n_items++].section = ptr;
+ break;
+ }
+ free(f);
+ }
+ list_for_each_safe(p, tmp, &map->sdata) {
+ struct ucimap_section_data *sd = list_entry(p, struct ucimap_section_data, list);
+ void *section;
+
+ if (sd->done)
+ continue;
+
+ section = ucimap_section_ptr(sd);
+ if (sd->sm->add(map, section) != 0)
+ ucimap_free_section(map, sd);
+ }
}
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