mirror/bbfdm
1
0
Fork 0
mirror of https://dev.iopsys.eu/bbf/bbfdm.git synced 2025-12-10 07:44:39 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions
bbfdm/libbbf_api/dmuci.c

923 lines
19 KiB
C
Raw Blame History

/*
* Copyright (C) 2019 iopsys Software Solutions AB
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation
*
* Author MOHAMED Kallel <mohamed.kallel@pivasoftware.com>
* Author Imen Bhiri <imen.bhiri@pivasoftware.com>
* Author Feten Besbes <feten.besbes@pivasoftware.com>
* Author Omar Kallel <omar.kallel@pivasoftware.com>
*
*/
#include "dmcommon.h"
#include "dmuci.h"
#include "dmmem.h"
static struct uci_context *uci_ctx = NULL;
static char *db_config = NULL;
NEW_UCI_PATH(bbfdm, BBFDM_CONFIG, BBFDM_SAVEDIR)
NEW_UCI_PATH(varstate, VARSTATE_CONFDIR, VARSTATE_SAVEDIR)
int dmuci_init(void)
{
if (uci_ctx == NULL) {
uci_ctx = uci_alloc_context();
if (!uci_ctx)
return -1;
}
return 0;
}
void dmuci_exit(void)
{
if (uci_ctx)
uci_free_context(uci_ctx);
uci_ctx = NULL;
}
int bbf_uci_init(void)
{
dmuci_init();
dmuci_init_varstate();
dmuci_init_bbfdm();
db_config = ETC_DB_CONFIG;
return 0;
}
int bbf_uci_exit(void)
{
dmuci_exit();
dmuci_exit_varstate();
dmuci_exit_bbfdm();
return 0;
}
char *dmuci_list_to_string(struct uci_list *list, const char *delimitor)
{
if (list) {
struct uci_element *e = NULL;
char list_val[512] = {0};
unsigned pos = 0;
list_val[0] = 0;
uci_foreach_element(list, e) {
if (e->name)
pos += snprintf(&list_val[pos], sizeof(list_val) - pos, "%s%s", e->name, delimitor);
}
if (pos)
list_val[pos - 1] = 0;
return dmstrdup(list_val); // MEM WILL BE FREED IN DMMEMCLEAN
} else {
return "";
}
}
static inline bool check_section_name(const char *str, bool name)
{
if (!*str)
return false;
for (; *str; str++) {
unsigned char c = *str;
if (isalnum(c) || c == '_')
continue;
if (name || (c < 33) || (c > 126))
return false;
}
return true;
}
static void add_list_package_change(struct list_head *clist, char *package)
{
struct package_change *pc = NULL;
list_for_each_entry(pc, clist, list) {
if (DM_STRCMP(pc->package, package) == 0)
return;
}
pc = calloc(1, sizeof(struct package_change));//TODO !!!!! Do not use dmcalloc here
list_add_tail(&pc->list, clist);
pc->package = strdup(package); //TODO !!!!! Do not use dmstrdup here
}
void free_all_list_package_change(struct list_head *clist)
{
struct package_change *pc;
while (clist->next != clist) {
pc = list_entry(clist->next, struct package_change, list);
list_del(&pc->list);
free(pc->package);//TODO !!!!! Do not use dmfree here
free(pc);//TODO !!!!! Do not use dmfree here
}
}
/**** UCI LOOKUP ****/
int dmuci_lookup_ptr(struct uci_context *ctx, struct uci_ptr *ptr, char *package, char *section, char *option, char *value)
{
/*value*/
ptr->value = value;
/*package*/
if (!package)
return -1;
ptr->package = package;
/*section*/
if (!section || !section[0]) {
ptr->target = UCI_TYPE_PACKAGE;
goto lookup;
}
ptr->section = section;
if (ptr->section && !check_section_name(ptr->section , true))
ptr->flags |= UCI_LOOKUP_EXTENDED;
/*option*/
if (!option || !option[0]) {
ptr->target = UCI_TYPE_SECTION;
goto lookup;
}
ptr->target = UCI_TYPE_OPTION;
ptr->option = option;
lookup:
if (uci_lookup_ptr(ctx, ptr, NULL, true) != UCI_OK || !UCI_LOOKUP_COMPLETE) {
return -1;
}
return 0;
}
/**** UCI GET *****/
int dmuci_get_section_type(char *package, char *section, char **value)
{
struct uci_ptr ptr = {0};
if (dmuci_lookup_ptr(uci_ctx, &ptr, package, section, NULL, NULL)) {
*value = "";
return -1;
}
if (ptr.s) {
*value = dmstrdup(ptr.s->type); // MEM WILL BE FREED IN DMMEMCLEAN
} else {
*value = "";
return -1;
}
return 0;
}
int dmuci_get_option_value_string(char *package, char *section, char *option, char **value)
{
struct uci_ptr ptr = {0};
if (dmuci_lookup_ptr(uci_ctx, &ptr, package, section, option, NULL)) {
*value = "";
return -1;
}
if (ptr.o && ptr.o->type == UCI_TYPE_LIST) {
*value = dmuci_list_to_string(&ptr.o->v.list, " ");
} else if (ptr.o && ptr.o->v.string) {
*value = dmstrdup(ptr.o->v.string); // MEM WILL BE FREED IN DMMEMCLEAN
} else {
*value = "";
return -1;
}
return 0;
}
char *dmuci_get_option_value_fallback_def(char *package, char *section, char *option, char *default_value)
{
char *value = "";
dmuci_get_option_value_string(package, section, option, &value);
if (*value == '\0')
value = default_value;
return value;
}
int dmuci_get_option_value_list(char *package, char *section, char *option, struct uci_list **value)
{
struct uci_element *e = NULL;
struct uci_ptr ptr = {0};
struct uci_list *list;
char *pch = NULL, *spch = NULL, *dup = NULL;
*value = NULL;
if (dmuci_lookup_ptr(uci_ctx, &ptr, package, section, option, NULL))
return -1;
if (ptr.o) {
switch(ptr.o->type) {
case UCI_TYPE_LIST:
*value = &ptr.o->v.list;
break;
case UCI_TYPE_STRING:
if (!ptr.o->v.string || (ptr.o->v.string)[0] == '\0')
return 0;
list = dmcalloc(1, sizeof(struct uci_list)); // MEM WILL BE FREED IN DMMEMCLEAN
uci_list_init(list);
dup = dmstrdup(ptr.o->v.string); // MEM WILL BE FREED IN DMMEMCLEAN
pch = strtok_r(dup, " ", &spch);
while (pch != NULL) {
e = dmcalloc(1, sizeof(struct uci_element)); // MEM WILL BE FREED IN DMMEMCLEAN
e->name = pch;
uci_list_add(list, &e->list);
pch = strtok_r(NULL, " ", &spch);
}
*value = list;
break;
default:
return -1;
}
} else {
return -1;
}
return 0;
}
static struct uci_option *dmuci_get_option_ptr(char *cfg_path, char *package, char *section, char *option)
{
struct uci_option *o = NULL;
struct uci_element *e = NULL;
struct uci_ptr ptr = {0};
char *oconfdir;
oconfdir = uci_ctx->confdir;
uci_ctx->confdir = cfg_path;
if (dmuci_lookup_ptr(uci_ctx, &ptr, package, section, option, NULL))
goto end;
e = ptr.last;
switch(e->type) {
case UCI_TYPE_OPTION:
o = ptr.o;
break;
default:
break;
}
end:
uci_ctx->confdir = oconfdir;
return o;
}
/**** UCI IMPORT *****/
int dmuci_import(char *package_name, const char *input_path)
{
struct uci_package *package = NULL;
struct uci_element *e = NULL;
int ret = 0;
FILE *input = fopen(input_path, "r");
if (!input)
return -1;
if (uci_import(uci_ctx, input, package_name, &package, (package_name != NULL)) != UCI_OK) {
ret = -1;
goto end;
}
uci_foreach_element(&uci_ctx->root, e) {
struct uci_package *p = uci_to_package(e);
if (uci_commit(uci_ctx, &p, true) != UCI_OK)
ret = -1;
}
end:
fclose(input);
return ret;
}
/**** UCI EXPORT *****/
int dmuci_export_package(char *package, const char *output_path)
{
struct uci_ptr ptr = {0};
int ret = 0;
FILE *out = fopen(output_path, "a");
if (!out)
return -1;
if (uci_lookup_ptr(uci_ctx, &ptr, package, true) != UCI_OK) {
ret = -1;
goto end;
}
if (uci_export(uci_ctx, out, ptr.p, true) != UCI_OK)
ret = -1;
end:
fclose(out);
return ret;
}
int dmuci_export(const char *output_path)
{
char **configs = NULL;
char **p;
if (uci_list_configs(uci_ctx, &configs) != UCI_OK)
return -1;
if (!configs)
return -1;
for (p = configs; *p; p++)
dmuci_export_package(*p, output_path);
free(configs);
return 0;
}
/**** UCI COMMIT *****/
int dmuci_commit_package(char *package)
{
struct uci_ptr ptr = {0};
if (uci_lookup_ptr(uci_ctx, &ptr, package, true) != UCI_OK)
return -1;
if (uci_commit(uci_ctx, &ptr.p, false) != UCI_OK)
return -1;
return 0;
}
int dmuci_commit(void)
{
char **configs = NULL;
char **p;
if (uci_list_configs(uci_ctx, &configs) != UCI_OK)
return -1;
if (!configs)
return -1;
for (p = configs; *p; p++)
dmuci_commit_package(*p);
free(configs);
return 0;
}
/**** UCI SAVE *****/
int dmuci_save_package(char *package)
{
struct uci_ptr ptr = {0};
if (uci_lookup_ptr(uci_ctx, &ptr, package, true) != UCI_OK)
return -1;
if (uci_save(uci_ctx, ptr.p) != UCI_OK)
return -1;
return 0;
}
int dmuci_save(void)
{
char **configs = NULL;
char **bbfdm_configs = NULL;
char **p;
int rc = 0;
if (uci_list_configs(uci_ctx, &configs) != UCI_OK) {
rc = -1;
goto end;
}
if (!configs) {
rc = -1;
goto end;
}
for (p = configs; *p; p++)
dmuci_save_package(*p);
if (uci_ctx_bbfdm) {
if (uci_list_configs(uci_ctx_bbfdm, &bbfdm_configs) != UCI_OK) {
rc = -1;
goto out;
}
if (!bbfdm_configs) {
rc = -1;
goto out;
}
for (p = bbfdm_configs; *p; p++)
dmuci_save_package_bbfdm(*p);
free(bbfdm_configs);
}
out:
free(configs);
end:
return rc;
}
/**** UCI REVERT *****/
int dmuci_revert_package(char *package)
{
struct uci_ptr ptr = {0};
if (uci_lookup_ptr(uci_ctx, &ptr, package, true) != UCI_OK)
return -1;
if (uci_revert(uci_ctx, &ptr) != UCI_OK)
return -1;
return 0;
}
int dmuci_revert(void)
{
char **configs = NULL;
char **p;
if (uci_list_configs(uci_ctx, &configs) != UCI_OK)
return -1;
if (!configs)
return -1;
for (p = configs; *p; p++)
dmuci_revert_package(*p);
free(configs);
return 0;
}
/**** UCI CHANGES PACKAGES *****/
int dmuci_change_packages(struct list_head *clist)
{
char **configs = NULL;
char **p;
if (uci_list_configs(uci_ctx, &configs) != UCI_OK)
return -1;
if (!configs)
return -1;
for (p = configs; *p; p++) {
struct uci_ptr ptr = {0};
if (uci_lookup_ptr(uci_ctx, &ptr, *p, true) != UCI_OK)
continue;
if (uci_list_empty(&ptr.p->delta))
continue;
add_list_package_change(clist, *p);
}
free(configs);
return 0;
}
/**** UCI SET *****/
int dmuci_set_value(char *package, char *section, char *option, char *value)
{
struct uci_ptr ptr = {0};
if (dmuci_lookup_ptr(uci_ctx, &ptr, package, section, option, value))
return -1;
if (uci_set(uci_ctx, &ptr) != UCI_OK)
return -1;
return 0;
}
/**** UCI ADD LIST *****/
int dmuci_add_list_value(char *package, char *section, char *option, char *value)
{
struct uci_ptr ptr = {0};
if (dmuci_lookup_ptr(uci_ctx, &ptr, package, section, option, value))
return -1;
if (uci_add_list(uci_ctx, &ptr) != UCI_OK)
return -1;
return 0;
}
/**** UCI DEL LIST *****/
int dmuci_del_list_value(char *package, char *section, char *option, char *value)
{
struct uci_ptr ptr = {0};
if (dmuci_lookup_ptr(uci_ctx, &ptr, package, section, option, value))
return -1;
if (uci_del_list(uci_ctx, &ptr) != UCI_OK)
return -1;
return 0;
}
/****** UCI ADD *******/
int dmuci_add_section(char *package, char *stype, struct uci_section **s)
{
struct uci_ptr ptr = {0};
char fname[128];
*s = NULL;
snprintf(fname, sizeof(fname), "%s/%s", uci_ctx->confdir, package);
if (!file_exists(fname)) {
FILE *fptr = fopen(fname, "w");
if (fptr)
fclose(fptr);
else
return -1;
}
if (dmuci_lookup_ptr(uci_ctx, &ptr, package, NULL, NULL, NULL))
return -1;
if (uci_add_section(uci_ctx, ptr.p, stype, s) != UCI_OK)
return -1;
return 0;
}
/**** UCI DELETE *****/
int dmuci_delete(char *package, char *section, char *option, char *value)
{
struct uci_ptr ptr = {0};
if (dmuci_lookup_ptr(uci_ctx, &ptr, package, section, option, NULL))
return -1;
if (uci_delete(uci_ctx, &ptr) != UCI_OK)
return -1;
return 0;
}
/**** UCI RENAME SECTION *****/
int dmuci_rename_section(char *package, char *section, char *value)
{
struct uci_ptr ptr = {0};
if (special_char_exits(value))
return -1;
if (dmuci_lookup_ptr(uci_ctx, &ptr, package, section, NULL, value))
return -1;
if (uci_rename(uci_ctx, &ptr) != UCI_OK)
return -1;
return 0;
}
/**** UCI LOOKUP by section pointer ****/
static int dmuci_lookup_ptr_by_section(struct uci_context *ctx, struct uci_ptr *ptr, struct uci_section *s, char *option, char *value)
{
if (s == NULL || s->package == NULL)
return -1;
/*value*/
ptr->value = value;
/*package*/
ptr->package = s->package->e.name;
ptr->p = s->package;
/* section */
ptr->section = s->e.name;
ptr->s = s;
/*option*/
if (!option || !option[0]) {
ptr->target = UCI_TYPE_SECTION;
goto lookup;
}
ptr->target = UCI_TYPE_OPTION;
ptr->option = option;
lookup:
if (uci_lookup_ptr(ctx, ptr, NULL, true) != UCI_OK || !UCI_LOOKUP_COMPLETE)
return -1;
return 0;
}
/**** UCI GET by section pointer*****/
int dmuci_get_value_by_section_string(struct uci_section *s, char *option, char **value)
{
struct uci_element *e = NULL;
struct uci_option *o;
if (s == NULL || option == NULL)
goto not_found;
uci_foreach_element(&s->options, e) {
o = (uci_to_option(e));
if (!DM_STRCMP(o->e.name, option)) {
if (o->type == UCI_TYPE_LIST) {
*value = dmuci_list_to_string(&o->v.list, " ");
} else {
*value = o->v.string ? dmstrdup(o->v.string) : ""; // MEM WILL BE FREED IN DMMEMCLEAN
}
return 0;
}
}
not_found:
*value = "";
return -1;
}
char *dmuci_get_value_by_section_fallback_def(struct uci_section *s, char *option, char *default_value)
{
char *value = "";
dmuci_get_value_by_section_string(s, option, &value);
if (*value == '\0')
value = default_value;
return value;
}
int dmuci_get_value_by_section_list(struct uci_section *s, char *option, struct uci_list **value)
{
struct uci_element *e = NULL;
struct uci_option *o;
struct uci_list *list;
char *pch = NULL, *spch = NULL, *dup;
*value = NULL;
if (s == NULL || option == NULL)
return -1;
uci_foreach_element(&s->options, e) {
o = (uci_to_option(e));
if (DM_STRCMP(o->e.name, option) == 0) {
switch(o->type) {
case UCI_TYPE_LIST:
*value = &o->v.list;
return 0;
case UCI_TYPE_STRING:
if (!o->v.string || (o->v.string)[0] == '\0')
return 0;
list = dmcalloc(1, sizeof(struct uci_list)); // MEM WILL BE FREED IN DMMEMCLEAN
uci_list_init(list);
dup = dmstrdup(o->v.string); // MEM WILL BE FREED IN DMMEMCLEAN
pch = strtok_r(dup, " ", &spch);
while (pch != NULL) {
e = dmcalloc(1, sizeof(struct uci_element)); // MEM WILL BE FREED IN DMMEMCLEAN
e->name = pch;
uci_list_add(list, &e->list);
pch = strtok_r(NULL, " ", &spch);
}
*value = list;
return 0;
default:
return -1;
}
}
}
return -1;
}
/**** UCI SET by section pointer ****/
int dmuci_set_value_by_section(struct uci_section *s, char *option, char *value)
{
struct uci_ptr up = {0};
if (dmuci_lookup_ptr_by_section(uci_ctx, &up, s, option, value) == -1)
return -1;
if (uci_set(uci_ctx, &up) != UCI_OK)
return -1;
return 0;
}
/**** UCI DELETE by section pointer *****/
int dmuci_delete_by_section(struct uci_section *s, char *option, char *value)
{
struct uci_ptr up = {0};
uci_ctx->flags |= UCI_FLAG_EXPORT_NAME;
if (dmuci_lookup_ptr_by_section(uci_ctx, &up, s, option, value) == -1)
return -1;
if (uci_delete(uci_ctx, &up) != UCI_OK)
return -1;
return 0;
}
int dmuci_delete_by_section_unnamed(struct uci_section *s, char *option, char *value)
{
struct uci_ptr up = {0};
if (dmuci_lookup_ptr_by_section(uci_ctx, &up, s, option, value) == -1)
return -1;
if (uci_delete(uci_ctx, &up) != UCI_OK)
return -1;
return 0;
}
/**** UCI ADD LIST by section pointer *****/
int dmuci_add_list_value_by_section(struct uci_section *s, char *option, char *value)
{
struct uci_ptr up = {0};
if (dmuci_lookup_ptr_by_section(uci_ctx, &up, s, option, value) == -1)
return -1;
if (uci_add_list(uci_ctx, &up) != UCI_OK)
return -1;
return 0;
}
/**** UCI DEL LIST by section pointer *****/
int dmuci_del_list_value_by_section(struct uci_section *s, char *option, char *value)
{
struct uci_ptr up = {0};
if (dmuci_lookup_ptr_by_section(uci_ctx, &up, s, option, value) == -1)
return -1;
if (uci_del_list(uci_ctx, &up) != UCI_OK)
return -1;
return 0;
}
/**** UCI RENAME SECTION by section pointer *****/
int dmuci_rename_section_by_section(struct uci_section *s, char *value)
{
struct uci_ptr up = {0};
if (special_char_exits(value))
return -1;
if (dmuci_lookup_ptr_by_section(uci_ctx, &up, s, NULL, value) == -1)
return -1;
if (uci_rename(uci_ctx, &up) != UCI_OK)
return -1;
return 0;
}
/**** UCI WALK SECTIONS *****/
struct uci_section *dmuci_walk_section (char *package, char *stype, void *arg1, void *arg2, int cmp , int (*filter)(struct uci_section *s, void *value), struct uci_section *prev_section, int walk)
{
struct uci_section *s = NULL;
struct uci_element *e, *m = NULL;
char *value, *dup, *pch, *spch;
struct uci_list *list_value, *list_section;
struct uci_ptr ptr = {0};
if (walk == GET_FIRST_SECTION) {
if (dmuci_lookup_ptr(uci_ctx, &ptr, package, NULL, NULL, NULL) != UCI_OK)
goto end;
list_section = &(ptr.p)->sections;
e = list_to_element(list_section->next);
} else {
list_section = &prev_section->package->sections;
e = list_to_element(prev_section->e.list.next);
}
while(&e->list != list_section) {
s = uci_to_section(e);
if (DM_STRCMP(s->type, stype) == 0) {
switch(cmp) {
case CMP_SECTION:
goto end;
case CMP_OPTION_EQUAL:
dmuci_get_value_by_section_string(s, (char *)arg1, &value);
if (DM_STRCMP(value, (char *)arg2) == 0)
goto end;
break;
case CMP_OPTION_CONTAINING:
dmuci_get_value_by_section_string(s, (char *)arg1, &value);
if (DM_STRSTR(value, (char *)arg2))
goto end;
break;
case CMP_OPTION_CONT_WORD:
dmuci_get_value_by_section_string(s, (char *)arg1, &value);
dup = dmstrdup(value);
pch = strtok_r(dup, " ", &spch);
while (pch != NULL) {
if (DM_STRCMP((char *)arg2, pch) == 0) {
dmfree(dup);
goto end;
}
pch = strtok_r(NULL, " ", &spch);
}
dmfree(dup);
break;
case CMP_LIST_CONTAINING:
dmuci_get_value_by_section_list(s, (char *)arg1, &list_value);
if (list_value != NULL) {
uci_foreach_element(list_value, m) {
if (DM_STRCMP(m->name, (char *)arg2) == 0)
goto end;
}
}
break;
case CMP_FILTER_FUNC:
if (filter(s, arg1) == 0)
goto end;
break;
default:
break;
}
}
e = list_to_element(e->list.next);
s = NULL;
}
end:
return s;
}
struct uci_section *dmuci_walk_all_sections(char *package, struct uci_section *prev_section, int walk)
{
struct uci_element *e = NULL;
struct uci_list *list_section;
struct uci_ptr ptr = {0};
if (walk == GET_FIRST_SECTION) {
if (dmuci_lookup_ptr(uci_ctx, &ptr, package, NULL, NULL, NULL) != UCI_OK)
return NULL;
list_section = &(ptr.p)->sections;
e = list_to_element(list_section->next);
} else {
list_section = &prev_section->package->sections;
e = list_to_element(prev_section->e.list.next);
}
return (&e->list != list_section) ? uci_to_section(e) : NULL;
}
/**** UCI GET db config *****/
int db_get_value_string(char *package, char *section, char *option, char **value)
{
struct uci_option *o;
o = dmuci_get_option_ptr((db_config) ? db_config : ETC_DB_CONFIG, package, section, option);
if (o) {
*value = o->v.string ? dmstrdup(o->v.string) : ""; // MEM WILL BE FREED IN DMMEMCLEAN
} else {
*value = "";
return -1;
}
return 0;
}
void commit_and_free_uci_ctx_bbfdm(char *dmmap_config)
{
dmuci_commit_package_bbfdm(dmmap_config);
if (uci_ctx_bbfdm)
uci_free_context(uci_ctx_bbfdm);
uci_ctx_bbfdm = NULL;
}
bool dmuci_string_to_boolean(char *value)
{
if (!value)
return false;
if (strncasecmp(value, "true", 4) == 0 ||
value[0] == '1' ||
strncasecmp(value, "on", 2) == 0 ||
strncasecmp(value, "yes", 3) == 0 ||
strncasecmp(value, "enable", 6) == 0)
return true;
return false;
}
Reference in a new issue View git blame Copy permalink