blob: 912f56d874998c7fb3c97ccb10e5218499e7d6dd [file] [log] [blame]
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001/**
2 * @file context.c
3 * @author Radek Krejci <rkrejci@cesnet.cz>
Michal Vasko19a09022021-06-15 11:54:08 +02004 * @author Michal Vasko <mvasko@cesnet.cz>
Radek Krejci0af5f5d2018-09-07 15:00:30 +02005 * @brief Context implementations
6 *
Michal Vasko6cc25d42024-06-04 13:42:11 +02007 * Copyright (c) 2015 - 2024 CESNET, z.s.p.o.
Radek Krejci0af5f5d2018-09-07 15:00:30 +02008 *
9 * This source code is licensed under BSD 3-Clause License (the "License").
10 * You may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
12 *
13 * https://opensource.org/licenses/BSD-3-Clause
14 */
Christian Hopps32874e12021-05-01 09:43:54 -040015#define _GNU_SOURCE /* asprintf, strdup */
Radek Krejcid43298b2021-03-25 16:17:15 +010016#if defined (__NetBSD__) || defined (__OpenBSD__)
Christian Hoppsf9b87412021-04-12 16:56:15 -040017/* realpath */
18#define _XOPEN_SOURCE 1
19#define _XOPEN_SOURCE_EXTENDED 1
Christian Hopps6f326212021-03-23 12:37:29 -040020#endif
21
Radek Krejci535ea9f2020-05-29 16:01:05 +020022#include "context.h"
Radek Krejcib7db73a2018-10-24 14:18:40 +020023
Michal Vaskodf6319c2021-06-10 14:41:05 +020024#include <assert.h>
Radek Krejci0af5f5d2018-09-07 15:00:30 +020025#include <errno.h>
Radek Krejcie7b95092019-05-15 11:03:07 +020026#include <pthread.h>
Radek Krejci0aa1f702021-04-01 16:16:19 +020027#include <stdarg.h>
Radek Krejcie7b95092019-05-15 11:03:07 +020028#include <stddef.h>
Radek Krejci535ea9f2020-05-29 16:01:05 +020029#include <stdio.h>
Radek Krejci7ada9a02018-09-07 15:34:05 +020030#include <stdlib.h>
31#include <string.h>
Radek Krejci0e212402018-09-20 11:29:38 +020032#include <sys/stat.h>
Radek Krejci0af5f5d2018-09-07 15:00:30 +020033#include <unistd.h>
34
Radek Krejciaa45bda2020-07-20 07:43:38 +020035#include "compat.h"
Radek Krejcie7b95092019-05-15 11:03:07 +020036#include "hash_table.h"
Michal Vaskoafac7822020-10-20 14:22:26 +020037#include "in.h"
Michal Vasko8f702ee2024-02-20 15:44:24 +010038#include "ly_common.h"
Radek Krejci7931b192020-06-25 17:05:03 +020039#include "parser_data.h"
Radek Krejci3e6632f2021-03-22 22:08:21 +010040#include "plugins_internal.h"
Radek Krejcica376bd2020-06-11 16:04:06 +020041#include "plugins_types.h"
Michal Vasko405cc9e2020-12-01 12:01:27 +010042#include "schema_compile.h"
Radek Krejcie7b95092019-05-15 11:03:07 +020043#include "set.h"
44#include "tree.h"
Radek Krejci535ea9f2020-05-29 16:01:05 +020045#include "tree_data.h"
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +020046#include "tree_data_internal.h"
Radek Krejcica376bd2020-06-11 16:04:06 +020047#include "tree_schema.h"
Michal Vaskoc636ea42022-09-16 10:20:31 +020048#include "tree_schema_free.h"
Radek Krejci86d106e2018-10-18 09:53:19 +020049#include "tree_schema_internal.h"
Radek Krejci0af5f5d2018-09-07 15:00:30 +020050
Michal Vaskocf296c82020-05-27 11:16:45 +020051#include "../models/ietf-datastores@2018-02-14.h"
Michal Vasko69730152020-10-09 16:30:07 +020052#include "../models/ietf-inet-types@2013-07-15.h"
Michal Vaskocf296c82020-05-27 11:16:45 +020053#include "../models/ietf-yang-library@2019-01-04.h"
Michal Vasko69730152020-10-09 16:30:07 +020054#include "../models/ietf-yang-metadata@2016-08-05.h"
tadeas-vintrlik2aa36b42021-11-03 13:07:34 +010055#include "../models/ietf-yang-schema-mount@2019-01-14.h"
Michal Vaskoedb0fa52022-10-04 10:36:00 +020056#include "../models/ietf-yang-structure-ext@2020-06-17.h"
Michal Vasko69730152020-10-09 16:30:07 +020057#include "../models/ietf-yang-types@2013-07-15.h"
Michal Vasko79a7a872022-06-17 09:00:48 +020058#include "../models/yang@2022-06-16.h"
Michal Vaskocf296c82020-05-27 11:16:45 +020059#define IETF_YANG_LIB_REV "2019-01-04"
Radek Krejci0af5f5d2018-09-07 15:00:30 +020060
Radek Krejci0af5f5d2018-09-07 15:00:30 +020061static struct internal_modules_s {
62 const char *name;
63 const char *revision;
64 const char *data;
Radek Krejci857189e2020-09-01 13:26:36 +020065 ly_bool implemented;
Radek Krejci0af5f5d2018-09-07 15:00:30 +020066 LYS_INFORMAT format;
Michal Vaskode79e222020-08-10 11:55:46 +020067} internal_modules[] = {
Michal Vasko1de593f2020-11-23 16:11:41 +010068 {"ietf-yang-metadata", "2016-08-05", (const char *)ietf_yang_metadata_2016_08_05_yang, 0, LYS_IN_YANG},
Michal Vasko79a7a872022-06-17 09:00:48 +020069 {"yang", "2022-06-16", (const char *)yang_2022_06_16_yang, 1, LYS_IN_YANG},
Michal Vasko22df3f02020-08-24 13:29:22 +020070 {"ietf-inet-types", "2013-07-15", (const char *)ietf_inet_types_2013_07_15_yang, 0, LYS_IN_YANG},
71 {"ietf-yang-types", "2013-07-15", (const char *)ietf_yang_types_2013_07_15_yang, 0, LYS_IN_YANG},
tadeas-vintrlik2aa36b42021-11-03 13:07:34 +010072 {"ietf-yang-schema-mount", "2019-01-14", (const char *)ietf_yang_schema_mount_2019_01_14_yang, 1, LYS_IN_YANG},
Michal Vaskoedb0fa52022-10-04 10:36:00 +020073 {"ietf-yang-structure-ext", "2020-06-17", (const char *)ietf_yang_structure_ext_2020_06_17_yang, 0, LYS_IN_YANG},
Radek Krejci0af5f5d2018-09-07 15:00:30 +020074 /* ietf-datastores and ietf-yang-library must be right here at the end of the list! */
Michal Vasko22df3f02020-08-24 13:29:22 +020075 {"ietf-datastores", "2018-02-14", (const char *)ietf_datastores_2018_02_14_yang, 1, LYS_IN_YANG},
76 {"ietf-yang-library", IETF_YANG_LIB_REV, (const char *)ietf_yang_library_2019_01_04_yang, 1, LYS_IN_YANG}
Radek Krejci0af5f5d2018-09-07 15:00:30 +020077};
78
Michal Vaskode79e222020-08-10 11:55:46 +020079#define LY_INTERNAL_MODS_COUNT sizeof(internal_modules) / sizeof(struct internal_modules_s)
80
Jan Kundrátc53a7ec2021-12-09 16:01:19 +010081LIBYANG_API_DEF LY_ERR
Radek Krejci0af5f5d2018-09-07 15:00:30 +020082ly_ctx_set_searchdir(struct ly_ctx *ctx, const char *search_dir)
83{
Michal Vasko6cc25d42024-06-04 13:42:11 +020084 int rc = LY_SUCCESS;
Radek Krejci0e212402018-09-20 11:29:38 +020085 struct stat st;
Radek Krejci0af5f5d2018-09-07 15:00:30 +020086 char *new_dir = NULL;
Michal Vasko6cc25d42024-06-04 13:42:11 +020087 uint32_t i;
88 LY_ARRAY_COUNT_TYPE u;
89 struct lys_module *mod;
Radek Krejci0af5f5d2018-09-07 15:00:30 +020090
91 LY_CHECK_ARG_RET(ctx, ctx, LY_EINVAL);
92
Michal Vasko6cc25d42024-06-04 13:42:11 +020093 if (!search_dir) {
94 /* fine, ignore */
95 goto cleanup;
Radek Krejci0af5f5d2018-09-07 15:00:30 +020096 }
Michal Vasko6cc25d42024-06-04 13:42:11 +020097
98 new_dir = realpath(search_dir, NULL);
99 if (!new_dir) {
100 LOGERR(ctx, LY_ESYS, "Unable to use search directory \"%s\" (%s).", search_dir, strerror(errno)),
101 rc = LY_EINVAL;
102 goto cleanup;
103 }
104 if (strcmp(search_dir, new_dir)) {
105 LOGVRB("Search directory string \"%s\" canonized to \"%s\".", search_dir, new_dir);
106 }
107
108 if (access(new_dir, R_OK | X_OK)) {
109 LOGERR(ctx, LY_ESYS, "Unable to fully access search directory \"%s\" (%s).", new_dir, strerror(errno));
110 rc = LY_EINVAL;
111 goto cleanup;
112 }
113 if (stat(new_dir, &st)) {
114 LOGERR(ctx, LY_ESYS, "stat() failed for \"%s\" (%s).", new_dir, strerror(errno));
115 rc = LY_ESYS;
116 goto cleanup;
117 }
118 if (!S_ISDIR(st.st_mode)) {
119 LOGERR(ctx, LY_ESYS, "Given search directory \"%s\" is not a directory.", new_dir);
120 rc = LY_EINVAL;
121 goto cleanup;
122 }
123
124 /* avoid path duplication */
125 for (i = 0; i < ctx->search_paths.count; ++i) {
126 if (!strcmp(new_dir, ctx->search_paths.objs[i])) {
127 rc = LY_EEXIST;
128 goto cleanup;
129 }
130 }
131 if (ly_set_add(&ctx->search_paths, new_dir, 1, NULL)) {
132 rc = LY_EMEM;
133 goto cleanup;
134 }
135
136 /* new searchdir - reset latests flags (possibly new revisions available) */
137 for (i = 0; i < ctx->list.count; ++i) {
138 mod = ctx->list.objs[i];
139
140 mod->latest_revision &= ~LYS_MOD_LATEST_SEARCHDIRS;
141 if (mod->parsed && mod->parsed->includes) {
142 for (u = 0; u < LY_ARRAY_COUNT(mod->parsed->includes); ++u) {
143 mod->parsed->includes[u].submodule->latest_revision &= ~LYS_MOD_LATEST_SEARCHDIRS;
144 }
145 }
146 }
147
148cleanup:
149 if (rc) {
150 free(new_dir);
151 }
152 return rc;
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200153}
154
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100155LIBYANG_API_DEF const char * const *
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200156ly_ctx_get_searchdirs(const struct ly_ctx *ctx)
157{
Radek Krejcif13b87b2020-12-01 22:02:17 +0100158#define LY_CTX_SEARCHDIRS_SIZE_STEP 8
Radek Krejci05026432018-09-20 12:13:43 +0200159 void **new;
160
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200161 LY_CHECK_ARG_RET(ctx, ctx, NULL);
Radek Krejci05026432018-09-20 12:13:43 +0200162
163 if (ctx->search_paths.count == ctx->search_paths.size) {
164 /* not enough space for terminating NULL byte */
Radek Krejcif13b87b2020-12-01 22:02:17 +0100165 new = realloc(((struct ly_ctx *)ctx)->search_paths.objs,
166 (ctx->search_paths.size + LY_CTX_SEARCHDIRS_SIZE_STEP) * sizeof *ctx->search_paths.objs);
Radek Krejci05026432018-09-20 12:13:43 +0200167 LY_CHECK_ERR_RET(!new, LOGMEM(NULL), NULL);
Radek Krejcif13b87b2020-12-01 22:02:17 +0100168 ((struct ly_ctx *)ctx)->search_paths.size += LY_CTX_SEARCHDIRS_SIZE_STEP;
Radek Krejci05026432018-09-20 12:13:43 +0200169 ((struct ly_ctx *)ctx)->search_paths.objs = new;
170 }
171 /* set terminating NULL byte to the strings list */
172 ctx->search_paths.objs[ctx->search_paths.count] = NULL;
173
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200174 return (const char * const *)ctx->search_paths.objs;
175}
176
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100177LIBYANG_API_DEF LY_ERR
Radek Krejcie58f97f2020-08-18 11:45:08 +0200178ly_ctx_unset_searchdir(struct ly_ctx *ctx, const char *value)
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200179{
Radek Krejcicd649072018-09-20 12:14:45 +0200180 LY_CHECK_ARG_RET(ctx, ctx, LY_EINVAL);
Radek Krejcicd649072018-09-20 12:14:45 +0200181
Michal Vaskob34480a2018-09-17 10:34:45 +0200182 if (!ctx->search_paths.count) {
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200183 return LY_SUCCESS;
184 }
185
Radek Krejci0759b792018-09-20 13:53:15 +0200186 if (value) {
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200187 /* remove specific search directory */
Radek Krejci1deb5be2020-08-26 16:43:36 +0200188 uint32_t index;
189
Radek Krejci0759b792018-09-20 13:53:15 +0200190 for (index = 0; index < ctx->search_paths.count; ++index) {
191 if (!strcmp(value, ctx->search_paths.objs[index])) {
192 break;
193 }
194 }
195 if (index == ctx->search_paths.count) {
196 LOGARG(ctx, value);
197 return LY_EINVAL;
198 } else {
199 return ly_set_rm_index(&ctx->search_paths, index, free);
200 }
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200201 } else {
202 /* remove them all */
Radek Krejcia40f21b2018-09-18 10:42:08 +0200203 ly_set_erase(&ctx->search_paths, free);
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200204 memset(&ctx->search_paths, 0, sizeof ctx->search_paths);
205 }
206
207 return LY_SUCCESS;
208}
209
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100210LIBYANG_API_DEF LY_ERR
Radek Krejci1deb5be2020-08-26 16:43:36 +0200211ly_ctx_unset_searchdir_last(struct ly_ctx *ctx, uint32_t count)
Radek Krejcied5acc52019-04-25 15:57:04 +0200212{
213 LY_CHECK_ARG_RET(ctx, ctx, LY_EINVAL);
214
Radek Krejcie58f97f2020-08-18 11:45:08 +0200215 for ( ; count > 0 && ctx->search_paths.count; --count) {
216 LY_CHECK_RET(ly_set_rm_index(&ctx->search_paths, ctx->search_paths.count - 1, free))
Radek Krejcied5acc52019-04-25 15:57:04 +0200217 }
218
219 return LY_SUCCESS;
220}
221
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100222LIBYANG_API_DEF struct lys_module *
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100223ly_ctx_load_module(struct ly_ctx *ctx, const char *name, const char *revision, const char **features)
Radek Krejcied5acc52019-04-25 15:57:04 +0200224{
Michal Vasko88497502021-06-10 14:41:51 +0200225 struct lys_module *mod = NULL;
Michal Vasko405cc9e2020-12-01 12:01:27 +0100226 LY_ERR ret = LY_SUCCESS;
Radek Krejcied5acc52019-04-25 15:57:04 +0200227
228 LY_CHECK_ARG_RET(ctx, ctx, name, NULL);
229
Michal Vaskodd992582021-06-10 14:34:57 +0200230 /* load and parse */
Michal Vasko22b26222021-07-30 11:16:47 +0200231 ret = lys_parse_load(ctx, name, revision, &ctx->unres.creating, &mod);
Michal Vaskodd992582021-06-10 14:34:57 +0200232 LY_CHECK_GOTO(ret, cleanup);
Michal Vasko4e205e82021-06-08 14:01:47 +0200233
234 /* implement */
Michal Vasko22b26222021-07-30 11:16:47 +0200235 ret = _lys_set_implemented(mod, features, &ctx->unres);
Michal Vasko65333882021-06-10 14:12:16 +0200236 LY_CHECK_GOTO(ret, cleanup);
Michal Vasko405cc9e2020-12-01 12:01:27 +0100237
Michal Vaskof4258e12021-06-15 12:11:42 +0200238 if (!(ctx->flags & LY_CTX_EXPLICIT_COMPILE)) {
239 /* create dep set for the module and mark all the modules that will be (re)compiled */
Michal Vasko22b26222021-07-30 11:16:47 +0200240 LY_CHECK_GOTO(ret = lys_unres_dep_sets_create(ctx, &ctx->unres.dep_sets, mod), cleanup);
Michal Vaskof4258e12021-06-15 12:11:42 +0200241
Michal Vasko709f9a52021-07-21 10:51:59 +0200242 /* (re)compile the whole dep set (other dep sets will have no modules marked for compilation) */
Michal Vasko22b26222021-07-30 11:16:47 +0200243 LY_CHECK_GOTO(ret = lys_compile_depset_all(ctx, &ctx->unres), cleanup);
244
245 /* unres resolved */
246 lys_unres_glob_erase(&ctx->unres);
Michal Vaskof4258e12021-06-15 12:11:42 +0200247 }
248
Michal Vasko405cc9e2020-12-01 12:01:27 +0100249cleanup:
250 if (ret) {
Michal Vasko22b26222021-07-30 11:16:47 +0200251 lys_unres_glob_revert(ctx, &ctx->unres);
252 lys_unres_glob_erase(&ctx->unres);
Michal Vaskodf6319c2021-06-10 14:41:05 +0200253 mod = NULL;
Michal Vasko405cc9e2020-12-01 12:01:27 +0100254 }
Michal Vaskodf6319c2021-06-10 14:41:05 +0200255 return mod;
Radek Krejcied5acc52019-04-25 15:57:04 +0200256}
257
Michal Vasko88ccd582023-03-30 11:50:57 +0200258/**
259 * @brief Hash table value-equal callback for comparing context error hash table record.
260 */
261static ly_bool
262ly_ctx_ht_err_equal_cb(void *val1_p, void *val2_p, ly_bool UNUSED(mod), void *UNUSED(cb_data))
263{
264 struct ly_ctx_err_rec *err1 = val1_p, *err2 = val2_p;
265
Michal Vasko98447572023-03-30 12:08:29 +0200266 return !memcmp(&err1->tid, &err2->tid, sizeof err1->tid);
Michal Vasko88ccd582023-03-30 11:50:57 +0200267}
268
stewegf9041a22024-01-18 13:29:12 +0100269/**
270 * @brief Hash table value-equal callback for comparing leafref links hash table record.
271 */
272static ly_bool
273ly_ctx_ht_leafref_links_equal_cb(void *val1_p, void *val2_p, ly_bool UNUSED(mod), void *UNUSED(cb_data))
274{
275 struct lyd_leafref_links_rec *rec1 = val1_p, *rec2 = val2_p;
276
277 return rec1->node == rec2->node;
278}
279
280/**
281 * @brief Callback for freeing leafref links recorcd internal resources.
282 *
283 * @param[in] val_p Pointer to leafref links record
284 */
285static void
286ly_ctx_ht_leafref_links_rec_free(void *val_p)
287{
288 struct lyd_leafref_links_rec *rec = val_p;
289
290 lyd_free_leafref_links_rec(rec);
291}
292
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100293LIBYANG_API_DEF LY_ERR
Radek Krejci1deb5be2020-08-26 16:43:36 +0200294ly_ctx_new(const char *search_dir, uint16_t options, struct ly_ctx **new_ctx)
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200295{
296 struct ly_ctx *ctx = NULL;
297 struct lys_module *module;
Michal Vaskoc56d6372021-10-19 12:29:00 +0200298 char *search_dir_list, *sep, *dir;
299 const char **imp_f, *all_f[] = {"*", NULL};
Michal Vaskode79e222020-08-10 11:55:46 +0200300 uint32_t i;
Michal Vasko63f3d842020-07-08 10:10:14 +0200301 struct ly_in *in = NULL;
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200302 LY_ERR rc = LY_SUCCESS;
Michal Vasko405cc9e2020-12-01 12:01:27 +0100303 struct lys_glob_unres unres = {0};
stewegd4cde642024-02-21 08:34:16 +0100304 ly_bool builtin_plugins_only;
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200305
Radek Krejcied5acc52019-04-25 15:57:04 +0200306 LY_CHECK_ARG_RET(NULL, new_ctx, LY_EINVAL);
307
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200308 ctx = calloc(1, sizeof *ctx);
Michal Vasko88497502021-06-10 14:41:51 +0200309 LY_CHECK_ERR_GOTO(!ctx, LOGMEM(NULL); rc = LY_EMEM, cleanup);
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200310
311 /* dictionary */
312 lydict_init(&ctx->dict);
313
314 /* plugins */
stewegd4cde642024-02-21 08:34:16 +0100315 builtin_plugins_only = (options & LY_CTX_BUILTIN_PLUGINS_ONLY) ? 1 : 0;
316 LY_CHECK_ERR_GOTO(lyplg_init(builtin_plugins_only), LOGINT(NULL); rc = LY_EINT, cleanup);
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200317
stewegf9041a22024-01-18 13:29:12 +0100318 if (options & LY_CTX_LEAFREF_LINKING) {
319 ctx->leafref_links_ht = lyht_new(1, sizeof(struct lyd_leafref_links_rec), ly_ctx_ht_leafref_links_equal_cb, NULL, 1);
320 LY_CHECK_ERR_GOTO(!ctx->leafref_links_ht, rc = LY_EMEM, cleanup);
321 }
322
Michal Vasko88ccd582023-03-30 11:50:57 +0200323 /* initialize thread-specific error hash table */
324 ctx->err_ht = lyht_new(1, sizeof(struct ly_ctx_err_rec), ly_ctx_ht_err_equal_cb, NULL, 1);
325 LY_CHECK_ERR_GOTO(!ctx->err_ht, rc = LY_EMEM, cleanup);
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200326
Michal Vasko11f76c82021-04-15 14:36:14 +0200327 /* init LYB hash lock */
328 pthread_mutex_init(&ctx->lyb_hash_lock, NULL);
329
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200330 /* models list */
331 ctx->flags = options;
332 if (search_dir) {
333 search_dir_list = strdup(search_dir);
Michal Vasko88497502021-06-10 14:41:51 +0200334 LY_CHECK_ERR_GOTO(!search_dir_list, LOGMEM(NULL); rc = LY_EMEM, cleanup);
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200335
Jan Kundrát34bb9282021-12-13 18:45:50 +0100336 for (dir = search_dir_list; (sep = strchr(dir, PATH_SEPARATOR[0])) != NULL && rc == LY_SUCCESS; dir = sep + 1) {
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200337 *sep = 0;
338 rc = ly_ctx_set_searchdir(ctx, dir);
Radek Krejci14946ab2018-09-20 13:42:06 +0200339 if (rc == LY_EEXIST) {
340 /* ignore duplication */
341 rc = LY_SUCCESS;
342 }
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200343 }
Michal Vasko69730152020-10-09 16:30:07 +0200344 if (*dir && (rc == LY_SUCCESS)) {
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200345 rc = ly_ctx_set_searchdir(ctx, dir);
Radek Krejci14946ab2018-09-20 13:42:06 +0200346 if (rc == LY_EEXIST) {
347 /* ignore duplication */
348 rc = LY_SUCCESS;
349 }
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200350 }
351 free(search_dir_list);
352
353 /* If ly_ctx_set_searchdir() failed, the error is already logged. Just exit */
Michal Vasko88497502021-06-10 14:41:51 +0200354 LY_CHECK_GOTO(rc, cleanup);
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200355 }
Michal Vasko794ab4b2021-03-31 09:42:19 +0200356 ctx->change_count = 1;
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200357
Michal Vasko9434ec52021-04-19 11:30:55 +0200358 if (!(options & LY_CTX_EXPLICIT_COMPILE)) {
359 /* use it for creating the initial context */
360 ctx->flags |= LY_CTX_EXPLICIT_COMPILE;
361 }
362
Michal Vasko63f3d842020-07-08 10:10:14 +0200363 /* create dummy in */
364 rc = ly_in_new_memory(internal_modules[0].data, &in);
Michal Vasko88497502021-06-10 14:41:51 +0200365 LY_CHECK_GOTO(rc, cleanup);
Michal Vasko63f3d842020-07-08 10:10:14 +0200366
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200367 /* load internal modules */
Michal Vasko25d6ad02020-10-22 12:20:22 +0200368 for (i = 0; i < ((options & LY_CTX_NO_YANGLIBRARY) ? (LY_INTERNAL_MODS_COUNT - 2) : LY_INTERNAL_MODS_COUNT); i++) {
Michal Vasko63f3d842020-07-08 10:10:14 +0200369 ly_in_memory(in, internal_modules[i].data);
Michal Vaskodd992582021-06-10 14:34:57 +0200370 LY_CHECK_GOTO(rc = lys_parse_in(ctx, in, internal_modules[i].format, NULL, NULL, &unres.creating, &module), cleanup);
Michal Vasko4e205e82021-06-08 14:01:47 +0200371 if (internal_modules[i].implemented || (ctx->flags & LY_CTX_ALL_IMPLEMENTED)) {
Michal Vaskoc56d6372021-10-19 12:29:00 +0200372 imp_f = (ctx->flags & LY_CTX_ENABLE_IMP_FEATURES) ? all_f : NULL;
373 LY_CHECK_GOTO(rc = lys_implement(module, imp_f, &unres), cleanup);
Michal Vasko4e205e82021-06-08 14:01:47 +0200374 }
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200375 }
376
Michal Vasko9434ec52021-04-19 11:30:55 +0200377 if (!(options & LY_CTX_EXPLICIT_COMPILE)) {
378 /* compile now */
Michal Vasko88497502021-06-10 14:41:51 +0200379 LY_CHECK_GOTO(rc = ly_ctx_compile(ctx), cleanup);
Michal Vasko9434ec52021-04-19 11:30:55 +0200380 ctx->flags &= ~LY_CTX_EXPLICIT_COMPILE;
381 }
382
Michal Vasko88497502021-06-10 14:41:51 +0200383cleanup:
Michal Vasko63f3d842020-07-08 10:10:14 +0200384 ly_in_free(in, 0);
Michal Vaskof4258e12021-06-15 12:11:42 +0200385 lys_unres_glob_erase(&unres);
Michal Vaskodf6319c2021-06-10 14:41:05 +0200386 if (rc) {
387 ly_ctx_destroy(ctx);
388 } else {
389 *new_ctx = ctx;
390 }
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200391 return rc;
392}
Radek Krejci0f969882020-08-21 16:56:47 +0200393
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200394static LY_ERR
Michal Vaskoddd76592022-01-17 13:34:48 +0100395ly_ctx_new_yl_legacy(struct ly_ctx *ctx, const struct lyd_node *yltree)
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200396{
397 struct lyd_node *module, *node;
398 struct ly_set *set;
399 const char **feature_arr = NULL;
400 const char *name = NULL, *revision = NULL;
401 struct ly_set features = {0};
402 ly_bool imported = 0;
403 const struct lys_module *mod;
404 LY_ERR ret = LY_SUCCESS;
Michal Vaskoddd76592022-01-17 13:34:48 +0100405 uint32_t i, j;
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200406
407 LY_CHECK_RET(ret = lyd_find_xpath(yltree, "/ietf-yang-library:yang-library/modules-state/module", &set));
408
409 /* process the data tree */
Michal Vaskoddd76592022-01-17 13:34:48 +0100410 for (i = 0; i < set->count; ++i) {
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200411 module = set->dnodes[i];
412
413 /* initiate */
414 revision = NULL;
415 name = NULL;
416 imported = 0;
417
418 LY_LIST_FOR(lyd_child(module), node) {
419 if (!strcmp(node->schema->name, "name")) {
Radek Krejci6d5ba0c2021-04-26 07:49:59 +0200420 name = lyd_get_value(node);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200421 } else if (!strcmp(node->schema->name, "revision")) {
Radek Krejci6d5ba0c2021-04-26 07:49:59 +0200422 revision = lyd_get_value(node);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200423 } else if (!strcmp(node->schema->name, "feature")) {
424 LY_CHECK_GOTO(ret = ly_set_add(&features, node, 0, NULL), cleanup);
425 } else if (!strcmp(node->schema->name, "conformance-type") &&
Radek Krejci6d5ba0c2021-04-26 07:49:59 +0200426 !strcmp(lyd_get_value(node), "import")) {
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200427 /* imported module - skip it, it will be loaded as a side effect
428 * of loading another module */
429 imported = 1;
430 break;
431 }
432 }
433
434 if (imported) {
435 continue;
436 }
437
438 feature_arr = malloc((features.count + 1) * sizeof *feature_arr);
439 LY_CHECK_ERR_GOTO(!feature_arr, ret = LY_EMEM, cleanup);
440
441 /* Parse features into an array of strings */
Michal Vaskoddd76592022-01-17 13:34:48 +0100442 for (j = 0; j < features.count; ++j) {
443 feature_arr[j] = lyd_get_value(features.dnodes[j]);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200444 }
445 feature_arr[features.count] = NULL;
446 ly_set_clean(&features, free);
447
448 /* use the gathered data to load the module */
449 mod = ly_ctx_load_module(ctx, name, revision, feature_arr);
450 free(feature_arr);
451 if (!mod) {
452 LOGERR(ctx, LY_EINVAL, "Unable to load module specified by yang library data.");
453 ly_set_free(set, free);
454 return LY_EINVAL;
455 }
456 }
457
458cleanup:
459 ly_set_clean(&features, free);
460 ly_set_free(set, free);
461 return ret;
462}
463
Michal Vaskoddd76592022-01-17 13:34:48 +0100464LIBYANG_API_DEF LY_ERR
465ly_ctx_new_ylpath(const char *search_dir, const char *path, LYD_FORMAT format, int options, struct ly_ctx **ctx)
466{
467 LY_ERR ret = LY_SUCCESS;
468 struct ly_ctx *ctx_yl = NULL;
469 struct lyd_node *data_yl = NULL;
470
471 LY_CHECK_ARG_RET(NULL, path, ctx, LY_EINVAL);
472
473 /* create a seperate context for the data */
474 LY_CHECK_GOTO(ret = ly_ctx_new(search_dir, 0, &ctx_yl), cleanup);
475
476 /* parse yang library data tree */
477 LY_CHECK_GOTO(ret = lyd_parse_data_path(ctx_yl, path, format, 0, LYD_VALIDATE_PRESENT, &data_yl), cleanup);
478
479 /* create the new context */
480 ret = ly_ctx_new_yldata(search_dir, data_yl, options, ctx);
481
482cleanup:
483 lyd_free_all(data_yl);
484 ly_ctx_destroy(ctx_yl);
485 return ret;
486}
487
488LIBYANG_API_DEF LY_ERR
489ly_ctx_new_ylmem(const char *search_dir, const char *data, LYD_FORMAT format, int options, struct ly_ctx **ctx)
490{
491 LY_ERR ret = LY_SUCCESS;
492 struct ly_ctx *ctx_yl = NULL;
493 struct lyd_node *data_yl = NULL;
494
495 LY_CHECK_ARG_RET(NULL, data, ctx, LY_EINVAL);
496
497 /* create a seperate context for the data */
498 LY_CHECK_GOTO(ret = ly_ctx_new(search_dir, 0, &ctx_yl), cleanup);
499
500 /* parse yang library data tree */
501 LY_CHECK_GOTO(ret = lyd_parse_data_mem(ctx_yl, data, format, 0, LYD_VALIDATE_PRESENT, &data_yl), cleanup);
502
503 /* create the new context */
504 ret = ly_ctx_new_yldata(search_dir, data_yl, options, ctx);
505
506cleanup:
507 lyd_free_all(data_yl);
508 ly_ctx_destroy(ctx_yl);
509 return ret;
510}
511
512LIBYANG_API_DEF LY_ERR
513ly_ctx_new_yldata(const char *search_dir, const struct lyd_node *tree, int options, struct ly_ctx **ctx)
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200514{
515 const char *name = NULL, *revision = NULL;
516 struct lyd_node *module, *node;
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200517 struct ly_set *set = NULL;
518 const char **feature_arr = NULL;
519 struct ly_set features = {0};
520 LY_ERR ret = LY_SUCCESS;
521 const struct lys_module *mod;
Michal Vaskoddd76592022-01-17 13:34:48 +0100522 struct ly_ctx *ctx_new = NULL;
Michal Vaskoad8d0f52021-04-26 13:21:24 +0200523 ly_bool no_expl_compile = 0;
Michal Vaskoddd76592022-01-17 13:34:48 +0100524 uint32_t i, j;
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200525
Michal Vaskoddd76592022-01-17 13:34:48 +0100526 LY_CHECK_ARG_RET(NULL, tree, ctx, LY_EINVAL);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200527
Michal Vaskoddd76592022-01-17 13:34:48 +0100528 /* create a new context */
ekinzie0ab8b302022-10-10 03:03:57 -0400529 if (*ctx == NULL) {
530 LY_CHECK_GOTO(ret = ly_ctx_new(search_dir, options, &ctx_new), cleanup);
531 } else {
532 ctx_new = *ctx;
533 }
Michal Vaskoad8d0f52021-04-26 13:21:24 +0200534
535 /* redundant to compile modules one-by-one */
536 if (!(options & LY_CTX_EXPLICIT_COMPILE)) {
537 ctx_new->flags |= LY_CTX_EXPLICIT_COMPILE;
538 no_expl_compile = 1;
539 }
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200540
Michal Vaskoddd76592022-01-17 13:34:48 +0100541 LY_CHECK_GOTO(ret = lyd_find_xpath(tree, "/ietf-yang-library:yang-library/module-set[1]/module", &set), cleanup);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200542 if (set->count == 0) {
543 /* perhaps a legacy data tree? */
Michal Vaskoddd76592022-01-17 13:34:48 +0100544 LY_CHECK_GOTO(ret = ly_ctx_new_yl_legacy(ctx_new, tree), cleanup);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200545 } else {
546 /* process the data tree */
Michal Vaskoddd76592022-01-17 13:34:48 +0100547 for (i = 0; i < set->count; ++i) {
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200548 module = set->dnodes[i];
549
550 /* initiate */
551 name = NULL;
552 revision = NULL;
553
Michal Vaskoddd76592022-01-17 13:34:48 +0100554 /* iterate over data */
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200555 LY_LIST_FOR(lyd_child(module), node) {
556 if (!strcmp(node->schema->name, "name")) {
Radek Krejci6d5ba0c2021-04-26 07:49:59 +0200557 name = lyd_get_value(node);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200558 } else if (!strcmp(node->schema->name, "revision")) {
Radek Krejci6d5ba0c2021-04-26 07:49:59 +0200559 revision = lyd_get_value(node);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200560 } else if (!strcmp(node->schema->name, "feature")) {
561 LY_CHECK_GOTO(ret = ly_set_add(&features, node, 0, NULL), cleanup);
562 }
563 }
564
565 feature_arr = malloc((features.count + 1) * sizeof *feature_arr);
566 LY_CHECK_ERR_GOTO(!feature_arr, ret = LY_EMEM, cleanup);
567
Michal Vaskoddd76592022-01-17 13:34:48 +0100568 /* parse features into an array of strings */
569 for (j = 0; j < features.count; ++j) {
570 feature_arr[j] = lyd_get_value(features.dnodes[j]);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200571 }
572 feature_arr[features.count] = NULL;
573 ly_set_clean(&features, NULL);
574
575 /* use the gathered data to load the module */
576 mod = ly_ctx_load_module(ctx_new, name, revision, feature_arr);
577 free(feature_arr);
578 if (!mod) {
Michal Vasko22e01fa2022-11-02 12:15:15 +0100579 LOGERR(*ctx ? *ctx : LYD_CTX(tree), LY_EINVAL, "Unable to load module %s@%s specified by yang library data.",
580 name, revision ? revision : "<none>");
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200581 ret = LY_EINVAL;
582 goto cleanup;
583 }
584 }
585 }
586
Michal Vaskoad8d0f52021-04-26 13:21:24 +0200587 /* compile */
588 LY_CHECK_GOTO(ret = ly_ctx_compile(ctx_new), cleanup);
589
590 if (no_expl_compile) {
591 /* unset flag */
592 ctx_new->flags &= ~LY_CTX_EXPLICIT_COMPILE;
593 }
594
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200595cleanup:
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200596 ly_set_free(set, NULL);
597 ly_set_erase(&features, NULL);
ekinzie0ab8b302022-10-10 03:03:57 -0400598 if (*ctx == NULL) {
599 *ctx = ctx_new;
600 if (ret) {
601 ly_ctx_destroy(*ctx);
602 *ctx = NULL;
603 }
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200604 }
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200605 return ret;
606}
607
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100608LIBYANG_API_DEF LY_ERR
Michal Vasko01db7de2021-04-16 12:23:30 +0200609ly_ctx_compile(struct ly_ctx *ctx)
610{
Michal Vaskod39bea42021-06-14 10:42:49 +0200611 LY_ERR ret = LY_SUCCESS;
Michal Vasko01db7de2021-04-16 12:23:30 +0200612
613 LY_CHECK_ARG_RET(NULL, ctx, LY_EINVAL);
614
Michal Vaskof4258e12021-06-15 12:11:42 +0200615 /* create dep sets and mark all the modules that will be (re)compiled */
Michal Vasko22b26222021-07-30 11:16:47 +0200616 LY_CHECK_GOTO(ret = lys_unres_dep_sets_create(ctx, &ctx->unres.dep_sets, NULL), cleanup);
Michal Vaskod39bea42021-06-14 10:42:49 +0200617
Michal Vaskof4258e12021-06-15 12:11:42 +0200618 /* (re)compile all the dep sets */
Michal Vasko22b26222021-07-30 11:16:47 +0200619 LY_CHECK_GOTO(ret = lys_compile_depset_all(ctx, &ctx->unres), cleanup);
Michal Vasko01db7de2021-04-16 12:23:30 +0200620
Michal Vaskod39bea42021-06-14 10:42:49 +0200621cleanup:
Michal Vaskof4258e12021-06-15 12:11:42 +0200622 if (ret) {
623 /* revert changes of modules */
Michal Vasko22b26222021-07-30 11:16:47 +0200624 lys_unres_glob_revert(ctx, &ctx->unres);
Michal Vaskof4258e12021-06-15 12:11:42 +0200625 }
Michal Vasko22b26222021-07-30 11:16:47 +0200626 lys_unres_glob_erase(&ctx->unres);
Michal Vaskod39bea42021-06-14 10:42:49 +0200627 return ret;
Michal Vasko01db7de2021-04-16 12:23:30 +0200628}
629
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100630LIBYANG_API_DEF uint16_t
Radek Krejci3fbe89a2018-09-20 13:54:46 +0200631ly_ctx_get_options(const struct ly_ctx *ctx)
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200632{
Radek Krejci3fbe89a2018-09-20 13:54:46 +0200633 LY_CHECK_ARG_RET(ctx, ctx, 0);
Michal Vasko28f1ffe2021-06-15 11:57:23 +0200634
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200635 return ctx->flags;
636}
637
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100638LIBYANG_API_DEF LY_ERR
Radek Krejci1deb5be2020-08-26 16:43:36 +0200639ly_ctx_set_options(struct ly_ctx *ctx, uint16_t option)
Radek Krejcica828d92018-09-20 14:19:43 +0200640{
Michal Vasko01db7de2021-04-16 12:23:30 +0200641 LY_ERR lyrc = LY_SUCCESS;
Michal Vasko7213ac52021-06-15 11:52:13 +0200642 struct lys_module *mod;
643 uint32_t i;
Radek Krejciddbc4812021-04-13 21:18:02 +0200644
Radek Krejcica828d92018-09-20 14:19:43 +0200645 LY_CHECK_ARG_RET(ctx, ctx, LY_EINVAL);
Michal Vaskoaecb11f2021-10-19 14:02:42 +0200646 LY_CHECK_ERR_RET((option & LY_CTX_NO_YANGLIBRARY) && !(ctx->flags & LY_CTX_NO_YANGLIBRARY),
647 LOGARG(ctx, option), LY_EINVAL);
aPiecek9922ea92021-04-12 07:59:20 +0200648
Michal Vasko9bd131d2024-02-21 09:54:18 +0100649 if (!(ctx->flags & LY_CTX_BUILTIN_PLUGINS_ONLY) && (option & LY_CTX_BUILTIN_PLUGINS_ONLY)) {
650 LOGERR(ctx, LY_EINVAL,
651 "Invalid argument %s (LY_CTX_BUILTIN_PLUGINS_ONLY can be set only when creating a new context) (%s()).",
652 "option", __func__);
653 return LY_EINVAL;
654 }
655
stewegf9041a22024-01-18 13:29:12 +0100656 if (!(ctx->flags & LY_CTX_LEAFREF_LINKING) && (option & LY_CTX_LEAFREF_LINKING)) {
657 ctx->leafref_links_ht = lyht_new(1, sizeof(struct lyd_leafref_links_rec), ly_ctx_ht_leafref_links_equal_cb, NULL, 1);
658 LY_CHECK_ERR_RET(!ctx->leafref_links_ht, LOGARG(ctx, option), LY_EMEM);
659 }
660
aPiecek9922ea92021-04-12 07:59:20 +0200661 if (!(ctx->flags & LY_CTX_SET_PRIV_PARSED) && (option & LY_CTX_SET_PRIV_PARSED)) {
662 ctx->flags |= LY_CTX_SET_PRIV_PARSED;
Michal Vasko7213ac52021-06-15 11:52:13 +0200663 /* recompile the whole context to set the priv pointers */
664 for (i = 0; i < ctx->list.count; ++i) {
665 mod = ctx->list.objs[i];
666 if (mod->implemented) {
667 mod->to_compile = 1;
668 }
669 }
670 lyrc = ly_ctx_compile(ctx);
Michal Vasko01db7de2021-04-16 12:23:30 +0200671 if (lyrc) {
aPiecek9922ea92021-04-12 07:59:20 +0200672 ly_ctx_unset_options(ctx, LY_CTX_SET_PRIV_PARSED);
673 }
674 }
Radek Krejcica828d92018-09-20 14:19:43 +0200675
676 /* set the option(s) */
aPiecek9922ea92021-04-12 07:59:20 +0200677 if (!lyrc) {
678 ctx->flags |= option;
679 }
Radek Krejcica828d92018-09-20 14:19:43 +0200680
aPiecek9922ea92021-04-12 07:59:20 +0200681 return lyrc;
682}
683
684static LY_ERR
685lysc_node_clear_priv_dfs_cb(struct lysc_node *node, void *UNUSED(data), ly_bool *UNUSED(dfs_continue))
686{
687 node->priv = NULL;
Radek Krejcica828d92018-09-20 14:19:43 +0200688 return LY_SUCCESS;
689}
690
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100691LIBYANG_API_DEF LY_ERR
Radek Krejci1deb5be2020-08-26 16:43:36 +0200692ly_ctx_unset_options(struct ly_ctx *ctx, uint16_t option)
Radek Krejcica828d92018-09-20 14:19:43 +0200693{
Michal Vasko193dacd2022-10-13 08:43:05 +0200694 LY_ARRAY_COUNT_TYPE u, v;
695 const struct lysc_ext_instance *ext;
696 struct lysc_node *root;
697
Radek Krejcica828d92018-09-20 14:19:43 +0200698 LY_CHECK_ARG_RET(ctx, ctx, LY_EINVAL);
Michal Vasko25d6ad02020-10-22 12:20:22 +0200699 LY_CHECK_ERR_RET(option & LY_CTX_NO_YANGLIBRARY, LOGARG(ctx, option), LY_EINVAL);
Radek Krejcica828d92018-09-20 14:19:43 +0200700
stewegf9041a22024-01-18 13:29:12 +0100701 if ((ctx->flags & LY_CTX_LEAFREF_LINKING) && (option & LY_CTX_LEAFREF_LINKING)) {
702 lyht_free(ctx->leafref_links_ht, ly_ctx_ht_leafref_links_rec_free);
703 ctx->leafref_links_ht = NULL;
704 }
705
aPiecek9922ea92021-04-12 07:59:20 +0200706 if ((ctx->flags & LY_CTX_SET_PRIV_PARSED) && (option & LY_CTX_SET_PRIV_PARSED)) {
707 struct lys_module *mod;
708 uint32_t index;
709
710 index = 0;
Michal Vaskoa51ef072021-07-02 10:40:30 +0200711 while ((mod = ly_ctx_get_module_iter(ctx, &index))) {
Michal Vasko193dacd2022-10-13 08:43:05 +0200712 if (!mod->compiled) {
713 continue;
714 }
715
716 /* set NULL for all ::lysc_node.priv pointers in module */
717 lysc_module_dfs_full(mod, lysc_node_clear_priv_dfs_cb, NULL);
718
719 /* set NULL for all ::lysc_node.priv pointers in compiled extension instances */
720 LY_ARRAY_FOR(mod->compiled->exts, u) {
721 ext = &mod->compiled->exts[u];
722 LY_ARRAY_FOR(ext->substmts, v) {
723 if (ext->substmts[v].stmt & LY_STMT_DATA_NODE_MASK) {
Michal Vasko53eb6a12024-06-13 11:38:47 +0200724 LY_LIST_FOR(*VOIDPTR2_C(ext->substmts[v].storage), root) {
Michal Vasko193dacd2022-10-13 08:43:05 +0200725 lysc_tree_dfs_full(root, lysc_node_clear_priv_dfs_cb, NULL);
726 }
727 }
728 }
729 }
aPiecek9922ea92021-04-12 07:59:20 +0200730 }
731 }
732
Radek Krejcica828d92018-09-20 14:19:43 +0200733 /* unset the option(s) */
734 ctx->flags &= ~option;
735
736 return LY_SUCCESS;
737}
738
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100739LIBYANG_API_DEF uint16_t
Michal Vasko794ab4b2021-03-31 09:42:19 +0200740ly_ctx_get_change_count(const struct ly_ctx *ctx)
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200741{
Radek Krejci3fbe89a2018-09-20 13:54:46 +0200742 LY_CHECK_ARG_RET(ctx, ctx, 0);
Michal Vasko794ab4b2021-03-31 09:42:19 +0200743
744 return ctx->change_count;
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200745}
746
Michal Vaskof9943e42023-03-22 07:29:37 +0100747LIBYANG_API_DEF uint32_t
748ly_ctx_get_modules_hash(const struct ly_ctx *ctx)
749{
750 const struct lys_module *mod;
Michal Vaskof332f032023-04-11 13:44:52 +0200751 uint32_t i = ly_ctx_internal_modules_count(ctx), hash = 0, fi = 0;
752 struct lysp_feature *f = NULL;
Michal Vaskof9943e42023-03-22 07:29:37 +0100753
754 LY_CHECK_ARG_RET(ctx, ctx, 0);
755
756 while ((mod = ly_ctx_get_module_iter(ctx, &i))) {
Michal Vaskof332f032023-04-11 13:44:52 +0200757 /* name */
Michal Vaskoae130f52023-04-20 14:25:16 +0200758 hash = lyht_hash_multi(hash, mod->name, strlen(mod->name));
Michal Vaskof332f032023-04-11 13:44:52 +0200759
760 /* revision */
Michal Vaskof9943e42023-03-22 07:29:37 +0100761 if (mod->revision) {
Michal Vaskoae130f52023-04-20 14:25:16 +0200762 hash = lyht_hash_multi(hash, mod->revision, strlen(mod->revision));
Michal Vaskof9943e42023-03-22 07:29:37 +0100763 }
Michal Vaskof332f032023-04-11 13:44:52 +0200764
765 /* enabled features */
766 while ((f = lysp_feature_next(f, mod->parsed, &fi))) {
767 if (f->flags & LYS_FENABLED) {
Michal Vaskoae130f52023-04-20 14:25:16 +0200768 hash = lyht_hash_multi(hash, f->name, strlen(f->name));
Michal Vaskof332f032023-04-11 13:44:52 +0200769 }
770 }
771
772 /* imported/implemented */
Michal Vaskoae130f52023-04-20 14:25:16 +0200773 hash = lyht_hash_multi(hash, (char *)&mod->implemented, sizeof mod->implemented);
Michal Vaskof9943e42023-03-22 07:29:37 +0100774 }
775
Michal Vaskoae130f52023-04-20 14:25:16 +0200776 hash = lyht_hash_multi(hash, NULL, 0);
Michal Vaskof9943e42023-03-22 07:29:37 +0100777 return hash;
778}
779
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100780LIBYANG_API_DEF ly_module_imp_clb
Radek Krejcid33273d2018-10-25 14:55:52 +0200781ly_ctx_get_module_imp_clb(const struct ly_ctx *ctx, void **user_data)
782{
783 LY_CHECK_ARG_RET(ctx, ctx, NULL);
784
785 if (user_data) {
786 *user_data = ctx->imp_clb_data;
787 }
788 return ctx->imp_clb;
789}
790
Michal Vaskoddd76592022-01-17 13:34:48 +0100791LIBYANG_API_DEF void
792ly_ctx_set_module_imp_clb(struct ly_ctx *ctx, ly_module_imp_clb clb, void *user_data)
793{
794 LY_CHECK_ARG_RET(ctx, ctx, );
795
796 ctx->imp_clb = clb;
797 ctx->imp_clb_data = user_data;
Michal Vaskod9ad7a32024-01-22 11:05:43 +0100798
799 /* new import callback - reset latests flags (possibly new revisions available) */
800 for (uint32_t v = 0; v < ctx->list.count; ++v) {
801 struct lys_module *mod = ctx->list.objs[v];
802
803 mod->latest_revision &= ~LYS_MOD_LATEST_IMPCLB;
804 if (mod->parsed && mod->parsed->includes) {
805 for (LY_ARRAY_COUNT_TYPE u = 0; u < LY_ARRAY_COUNT(mod->parsed->includes); ++u) {
806 mod->parsed->includes[u].submodule->latest_revision &= ~LYS_MOD_LATEST_IMPCLB;
807 }
808 }
809 }
Michal Vaskoddd76592022-01-17 13:34:48 +0100810}
811
812LIBYANG_API_DEF ly_ext_data_clb
813ly_ctx_set_ext_data_clb(struct ly_ctx *ctx, ly_ext_data_clb clb, void *user_data)
814{
815 ly_ext_data_clb prev;
816
817 LY_CHECK_ARG_RET(ctx, ctx, NULL);
818
819 prev = ctx->ext_clb;
820 ctx->ext_clb = clb;
821 ctx->ext_clb_data = user_data;
822
823 return prev;
824}
825
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100826LIBYANG_API_DEF struct lys_module *
Radek Krejci1deb5be2020-08-26 16:43:36 +0200827ly_ctx_get_module_iter(const struct ly_ctx *ctx, uint32_t *index)
Radek Krejcied5acc52019-04-25 15:57:04 +0200828{
829 LY_CHECK_ARG_RET(ctx, ctx, index, NULL);
830
Michal Vasko2307ff82021-04-16 11:51:18 +0200831 if (*index < ctx->list.count) {
Radek Krejcied5acc52019-04-25 15:57:04 +0200832 return ctx->list.objs[(*index)++];
Radek Krejci2390fb52019-04-30 13:27:43 +0200833 } else {
834 return NULL;
Radek Krejcied5acc52019-04-25 15:57:04 +0200835 }
Radek Krejcied5acc52019-04-25 15:57:04 +0200836}
837
Radek Krejcib7db73a2018-10-24 14:18:40 +0200838/**
839 * @brief Iterate over the modules in the given context. Returned modules must match the given key at the offset of
840 * lysp_module and lysc_module structures (they are supposed to be placed at the same offset in both structures).
841 *
842 * @param[in] ctx Context where to iterate.
843 * @param[in] key Key value to search for.
Radek Krejci0ad51f12020-07-16 12:08:12 +0200844 * @param[in] key_size Optional length of the @p key. If zero, NULL-terminated key is expected.
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100845 * @param[in] key_offset Key's offset in struct lys_module to get value from the context's modules to match with the key.
Radek Krejcib7db73a2018-10-24 14:18:40 +0200846 * @param[in,out] Iterator to pass between the function calls. On the first call, the variable is supposed to be
847 * initiated to 0. After each call returning a module, the value is greater by 1 than the index of the returned
848 * module in the context.
849 * @return Module matching the given key, NULL if no such module found.
850 */
Radek Krejci0af46292019-01-11 16:02:31 +0100851static struct lys_module *
Radek Krejci1deb5be2020-08-26 16:43:36 +0200852ly_ctx_get_module_by_iter(const struct ly_ctx *ctx, const char *key, size_t key_size, size_t key_offset, uint32_t *index)
Radek Krejcib7db73a2018-10-24 14:18:40 +0200853{
Radek Krejci0af46292019-01-11 16:02:31 +0100854 struct lys_module *mod;
Radek Krejcib7db73a2018-10-24 14:18:40 +0200855 const char *value;
856
Michal Vaskod989ba02020-08-24 10:59:24 +0200857 for ( ; *index < ctx->list.count; ++(*index)) {
Radek Krejcib7db73a2018-10-24 14:18:40 +0200858 mod = ctx->list.objs[*index];
Michal Vasko22df3f02020-08-24 13:29:22 +0200859 value = *(const char **)(((int8_t *)(mod)) + key_offset);
Michal Vasko69730152020-10-09 16:30:07 +0200860 if ((!key_size && !strcmp(key, value)) || (key_size && !strncmp(key, value, key_size) && (value[key_size] == '\0'))) {
Radek Krejcib7db73a2018-10-24 14:18:40 +0200861 /* increment index for the next run */
862 ++(*index);
863 return mod;
864 }
865 }
866 /* done */
867 return NULL;
868}
869
870/**
871 * @brief Unifying function for ly_ctx_get_module() and ly_ctx_get_module_ns()
872 * @param[in] ctx Context where to search.
873 * @param[in] key Name or Namespace as a search key.
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100874 * @param[in] key_offset Key's offset in struct lys_module to get value from the context's modules to match with the key.
Radek Krejcib7db73a2018-10-24 14:18:40 +0200875 * @param[in] revision Revision date to match. If NULL, the matching module must have no revision. To search for the latest
876 * revision module, use ly_ctx_get_module_latest_by().
877 * @return Matching module if any.
878 */
Radek Krejci0af46292019-01-11 16:02:31 +0100879static struct lys_module *
Radek Krejcib7db73a2018-10-24 14:18:40 +0200880ly_ctx_get_module_by(const struct ly_ctx *ctx, const char *key, size_t key_offset, const char *revision)
881{
Radek Krejci0af46292019-01-11 16:02:31 +0100882 struct lys_module *mod;
Radek Krejci1deb5be2020-08-26 16:43:36 +0200883 uint32_t index = 0;
Radek Krejcib7db73a2018-10-24 14:18:40 +0200884
Radek Krejci0ad51f12020-07-16 12:08:12 +0200885 while ((mod = ly_ctx_get_module_by_iter(ctx, key, 0, key_offset, &index))) {
Radek Krejcib7db73a2018-10-24 14:18:40 +0200886 if (!revision) {
Radek Krejci0af46292019-01-11 16:02:31 +0100887 if (!mod->revision) {
Radek Krejcib7db73a2018-10-24 14:18:40 +0200888 /* found requested module without revision */
889 return mod;
890 }
891 } else {
Radek Krejci0af46292019-01-11 16:02:31 +0100892 if (mod->revision && !strcmp(mod->revision, revision)) {
Radek Krejcib7db73a2018-10-24 14:18:40 +0200893 /* found requested module of the specific revision */
894 return mod;
895 }
896 }
897 }
898
899 return NULL;
900}
901
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100902LIBYANG_API_DEF struct lys_module *
Radek Krejcib7db73a2018-10-24 14:18:40 +0200903ly_ctx_get_module_ns(const struct ly_ctx *ctx, const char *ns, const char *revision)
904{
905 LY_CHECK_ARG_RET(ctx, ctx, ns, NULL);
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100906 return ly_ctx_get_module_by(ctx, ns, offsetof(struct lys_module, ns), revision);
Radek Krejcib7db73a2018-10-24 14:18:40 +0200907}
908
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100909LIBYANG_API_DEF struct lys_module *
Radek Krejcib7db73a2018-10-24 14:18:40 +0200910ly_ctx_get_module(const struct ly_ctx *ctx, const char *name, const char *revision)
911{
912 LY_CHECK_ARG_RET(ctx, ctx, name, NULL);
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100913 return ly_ctx_get_module_by(ctx, name, offsetof(struct lys_module, name), revision);
Radek Krejcib7db73a2018-10-24 14:18:40 +0200914}
915
916/**
917 * @brief Unifying function for ly_ctx_get_module_latest() and ly_ctx_get_module_latest_ns()
918 * @param[in] ctx Context where to search.
919 * @param[in] key Name or Namespace as a search key.
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100920 * @param[in] key_offset Key's offset in struct lys_module to get value from the context's modules to match with the key.
Radek Krejcib7db73a2018-10-24 14:18:40 +0200921 * @return Matching module if any.
922 */
Radek Krejci0af46292019-01-11 16:02:31 +0100923static struct lys_module *
Radek Krejcib7db73a2018-10-24 14:18:40 +0200924ly_ctx_get_module_latest_by(const struct ly_ctx *ctx, const char *key, size_t key_offset)
925{
Radek Krejci0af46292019-01-11 16:02:31 +0100926 struct lys_module *mod;
Radek Krejci1deb5be2020-08-26 16:43:36 +0200927 uint32_t index = 0;
Radek Krejcib7db73a2018-10-24 14:18:40 +0200928
Radek Krejci0ad51f12020-07-16 12:08:12 +0200929 while ((mod = ly_ctx_get_module_by_iter(ctx, key, 0, key_offset, &index))) {
aPiecek94d330b2021-08-04 11:57:31 +0200930 if (mod->latest_revision & LYS_MOD_LATEST_REV) {
Radek Krejci9f5e6fb2018-10-25 09:26:12 +0200931 return mod;
Radek Krejcib7db73a2018-10-24 14:18:40 +0200932 }
933 }
934
Radek Krejci9f5e6fb2018-10-25 09:26:12 +0200935 return NULL;
Radek Krejcib7db73a2018-10-24 14:18:40 +0200936}
937
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100938LIBYANG_API_DEF struct lys_module *
Radek Krejcib7db73a2018-10-24 14:18:40 +0200939ly_ctx_get_module_latest(const struct ly_ctx *ctx, const char *name)
940{
941 LY_CHECK_ARG_RET(ctx, ctx, name, NULL);
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100942 return ly_ctx_get_module_latest_by(ctx, name, offsetof(struct lys_module, name));
Radek Krejcib7db73a2018-10-24 14:18:40 +0200943}
944
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100945LIBYANG_API_DEF struct lys_module *
Radek Krejcib7db73a2018-10-24 14:18:40 +0200946ly_ctx_get_module_latest_ns(const struct ly_ctx *ctx, const char *ns)
947{
948 LY_CHECK_ARG_RET(ctx, ctx, ns, NULL);
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100949 return ly_ctx_get_module_latest_by(ctx, ns, offsetof(struct lys_module, ns));
Radek Krejcib7db73a2018-10-24 14:18:40 +0200950}
951
952/**
953 * @brief Unifying function for ly_ctx_get_module_implemented() and ly_ctx_get_module_implemented_ns()
954 * @param[in] ctx Context where to search.
955 * @param[in] key Name or Namespace as a search key.
Radek Krejci0ad51f12020-07-16 12:08:12 +0200956 * @param[in] key_size Optional length of the @p key. If zero, NULL-terminated key is expected.
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100957 * @param[in] key_offset Key's offset in struct lys_module to get value from the context's modules to match with the key.
Radek Krejcib7db73a2018-10-24 14:18:40 +0200958 * @return Matching module if any.
959 */
Radek Krejci0af46292019-01-11 16:02:31 +0100960static struct lys_module *
Radek Krejci0ad51f12020-07-16 12:08:12 +0200961ly_ctx_get_module_implemented_by(const struct ly_ctx *ctx, const char *key, size_t key_size, size_t key_offset)
Radek Krejcib7db73a2018-10-24 14:18:40 +0200962{
Radek Krejci0af46292019-01-11 16:02:31 +0100963 struct lys_module *mod;
Radek Krejci1deb5be2020-08-26 16:43:36 +0200964 uint32_t index = 0;
Radek Krejcib7db73a2018-10-24 14:18:40 +0200965
Radek Krejci0ad51f12020-07-16 12:08:12 +0200966 while ((mod = ly_ctx_get_module_by_iter(ctx, key, key_size, key_offset, &index))) {
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100967 if (mod->implemented) {
Radek Krejcib7db73a2018-10-24 14:18:40 +0200968 return mod;
969 }
970 }
971
972 return NULL;
973}
974
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100975LIBYANG_API_DEF struct lys_module *
Radek Krejcib7db73a2018-10-24 14:18:40 +0200976ly_ctx_get_module_implemented(const struct ly_ctx *ctx, const char *name)
977{
978 LY_CHECK_ARG_RET(ctx, ctx, name, NULL);
Radek Krejci0ad51f12020-07-16 12:08:12 +0200979 return ly_ctx_get_module_implemented_by(ctx, name, 0, offsetof(struct lys_module, name));
980}
981
982struct lys_module *
983ly_ctx_get_module_implemented2(const struct ly_ctx *ctx, const char *name, size_t name_len)
984{
985 LY_CHECK_ARG_RET(ctx, ctx, name, NULL);
986 return ly_ctx_get_module_implemented_by(ctx, name, name_len, offsetof(struct lys_module, name));
Radek Krejcib7db73a2018-10-24 14:18:40 +0200987}
988
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100989LIBYANG_API_DEF struct lys_module *
Radek Krejcib7db73a2018-10-24 14:18:40 +0200990ly_ctx_get_module_implemented_ns(const struct ly_ctx *ctx, const char *ns)
991{
992 LY_CHECK_ARG_RET(ctx, ctx, ns, NULL);
Radek Krejci0ad51f12020-07-16 12:08:12 +0200993 return ly_ctx_get_module_implemented_by(ctx, ns, 0, offsetof(struct lys_module, ns));
Radek Krejcib7db73a2018-10-24 14:18:40 +0200994}
995
Michal Vasko8dc31992021-02-22 10:30:47 +0100996/**
997 * @brief Try to find a submodule in a module.
998 *
999 * @param[in] module Module where to search in.
1000 * @param[in] submodule Name of the submodule to find.
1001 * @param[in] revision Revision of the submodule to find. NULL for submodule with no revision.
1002 * @param[in] latest Ignore @p revision and look for the latest revision.
1003 * @return Pointer to the specified submodule if it is present in the context.
1004 */
1005static const struct lysp_submodule *
1006_ly_ctx_get_submodule2(const struct lys_module *module, const char *submodule, const char *revision, ly_bool latest)
Radek Krejcid33273d2018-10-25 14:55:52 +02001007{
Radek Krejcid33273d2018-10-25 14:55:52 +02001008 struct lysp_include *inc;
Michal Vaskofd69e1d2020-07-03 11:57:17 +02001009 LY_ARRAY_COUNT_TYPE u;
Radek Krejcid33273d2018-10-25 14:55:52 +02001010
Michal Vasko8dc31992021-02-22 10:30:47 +01001011 LY_CHECK_ARG_RET(NULL, module, module->parsed, submodule, NULL);
Michal Vaskoc3781c32020-10-06 14:04:08 +02001012
Michal Vasko8dc31992021-02-22 10:30:47 +01001013 LY_ARRAY_FOR(module->parsed->includes, u) {
1014 if (module->parsed->includes[u].submodule && !strcmp(submodule, module->parsed->includes[u].submodule->name)) {
1015 inc = &module->parsed->includes[u];
1016
1017 if (latest && inc->submodule->latest_revision) {
1018 /* latest revision */
1019 return inc->submodule;
1020 } else if (!revision && !inc->submodule->revs) {
1021 /* no revision */
1022 return inc->submodule;
1023 } else if (revision && inc->submodule->revs && !strcmp(revision, inc->submodule->revs[0].date)) {
1024 /* specific revision */
1025 return inc->submodule;
1026 }
Michal Vaskoc3781c32020-10-06 14:04:08 +02001027 }
Michal Vaskoc3781c32020-10-06 14:04:08 +02001028 }
Radek Krejcifaa1eac2018-10-30 14:34:55 +01001029
Michal Vasko8dc31992021-02-22 10:30:47 +01001030 return NULL;
1031}
1032
1033/**
1034 * @brief Try to find a submodule in the context.
1035 *
1036 * @param[in] ctx Context where to search in.
1037 * @param[in] submodule Name of the submodule to find.
1038 * @param[in] revision Revision of the submodule to find. NULL for submodule with no revision.
1039 * @param[in] latest Ignore @p revision and look for the latest revision.
1040 * @return Pointer to the specified submodule if it is present in the context.
1041 */
1042static const struct lysp_submodule *
1043_ly_ctx_get_submodule(const struct ly_ctx *ctx, const char *submodule, const char *revision, ly_bool latest)
1044{
1045 const struct lys_module *mod;
1046 const struct lysp_submodule *submod = NULL;
1047 uint32_t v;
1048
1049 LY_CHECK_ARG_RET(ctx, ctx, submodule, NULL);
1050
Radek Krejcifaa1eac2018-10-30 14:34:55 +01001051 for (v = 0; v < ctx->list.count; ++v) {
1052 mod = ctx->list.objs[v];
Radek Krejcid33273d2018-10-25 14:55:52 +02001053 if (!mod->parsed) {
1054 continue;
1055 }
1056
Michal Vasko8dc31992021-02-22 10:30:47 +01001057 submod = _ly_ctx_get_submodule2(mod, submodule, revision, latest);
1058 if (submod) {
Michal Vaskoc3781c32020-10-06 14:04:08 +02001059 break;
1060 }
Radek Krejcid33273d2018-10-25 14:55:52 +02001061 }
1062
Michal Vasko8dc31992021-02-22 10:30:47 +01001063 return submod;
1064}
1065
Jan Kundrátc53a7ec2021-12-09 16:01:19 +01001066LIBYANG_API_DEF const struct lysp_submodule *
Michal Vasko8dc31992021-02-22 10:30:47 +01001067ly_ctx_get_submodule(const struct ly_ctx *ctx, const char *submodule, const char *revision)
1068{
1069 return _ly_ctx_get_submodule(ctx, submodule, revision, 0);
1070}
1071
Jan Kundrátc53a7ec2021-12-09 16:01:19 +01001072LIBYANG_API_DEF const struct lysp_submodule *
Michal Vasko8dc31992021-02-22 10:30:47 +01001073ly_ctx_get_submodule_latest(const struct ly_ctx *ctx, const char *submodule)
1074{
1075 return _ly_ctx_get_submodule(ctx, submodule, NULL, 1);
1076}
1077
Jan Kundrátc53a7ec2021-12-09 16:01:19 +01001078LIBYANG_API_DEF const struct lysp_submodule *
Michal Vasko8dc31992021-02-22 10:30:47 +01001079ly_ctx_get_submodule2(const struct lys_module *module, const char *submodule, const char *revision)
1080{
1081 return _ly_ctx_get_submodule2(module, submodule, revision, 0);
1082}
1083
Jan Kundrátc53a7ec2021-12-09 16:01:19 +01001084LIBYANG_API_DEF const struct lysp_submodule *
Michal Vasko8dc31992021-02-22 10:30:47 +01001085ly_ctx_get_submodule2_latest(const struct lys_module *module, const char *submodule)
1086{
1087 return _ly_ctx_get_submodule2(module, submodule, NULL, 1);
Radek Krejcid33273d2018-10-25 14:55:52 +02001088}
1089
Jan Kundrátc53a7ec2021-12-09 16:01:19 +01001090LIBYANG_API_DEF uint32_t
Radek Krejci0a60f1d2020-10-26 22:24:43 +01001091ly_ctx_internal_modules_count(const struct ly_ctx *ctx)
Michal Vaskode79e222020-08-10 11:55:46 +02001092{
1093 if (!ctx) {
1094 return 0;
1095 }
1096
Michal Vasko25d6ad02020-10-22 12:20:22 +02001097 if (ctx->flags & LY_CTX_NO_YANGLIBRARY) {
Michal Vaskode79e222020-08-10 11:55:46 +02001098 return LY_INTERNAL_MODS_COUNT - 2;
1099 } else {
1100 return LY_INTERNAL_MODS_COUNT;
1101 }
1102}
1103
Michal Vasko57c10cd2020-05-27 15:57:11 +02001104static LY_ERR
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001105ylib_feature(struct lyd_node *parent, const struct lysp_module *pmod)
Michal Vasko57c10cd2020-05-27 15:57:11 +02001106{
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001107 LY_ARRAY_COUNT_TYPE u;
1108 struct lysp_feature *f;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001109
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001110 if (!pmod->mod->implemented) {
Michal Vasko57c10cd2020-05-27 15:57:11 +02001111 /* no features can be enabled */
1112 return LY_SUCCESS;
1113 }
1114
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001115 LY_ARRAY_FOR(pmod->features, struct lysp_feature, f) {
1116 if (!(f->flags & LYS_FENABLED)) {
Michal Vasko57c10cd2020-05-27 15:57:11 +02001117 continue;
1118 }
1119
Radek Krejci41ac9942020-11-02 14:47:56 +01001120 LY_CHECK_RET(lyd_new_term(parent, NULL, "feature", f->name, 0, NULL));
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001121 }
1122
1123 LY_ARRAY_FOR(pmod->includes, u) {
1124 LY_ARRAY_FOR(pmod->includes[u].submodule->features, struct lysp_feature, f) {
1125 if (!(f->flags & LYS_FENABLED)) {
1126 continue;
1127 }
1128
Radek Krejci41ac9942020-11-02 14:47:56 +01001129 LY_CHECK_RET(lyd_new_term(parent, NULL, "feature", f->name, 0, NULL));
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001130 }
Michal Vasko57c10cd2020-05-27 15:57:11 +02001131 }
1132
1133 return LY_SUCCESS;
1134}
1135
1136static LY_ERR
Radek Krejci857189e2020-09-01 13:26:36 +02001137ylib_deviation(struct lyd_node *parent, const struct lys_module *cur_mod, ly_bool bis)
Michal Vasko57c10cd2020-05-27 15:57:11 +02001138{
Michal Vaskofd69e1d2020-07-03 11:57:17 +02001139 LY_ARRAY_COUNT_TYPE i;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001140 struct lys_module *mod;
1141
1142 if (!cur_mod->implemented) {
1143 /* no deviations of the module for certain */
1144 return LY_SUCCESS;
1145 }
1146
Michal Vasko7f45cf22020-10-01 12:49:44 +02001147 LY_ARRAY_FOR(cur_mod->deviated_by, i) {
1148 mod = cur_mod->deviated_by[i];
Michal Vasko57c10cd2020-05-27 15:57:11 +02001149
1150 if (bis) {
Radek Krejci41ac9942020-11-02 14:47:56 +01001151 LY_CHECK_RET(lyd_new_term(parent, NULL, "deviation", mod->name, 0, NULL));
Michal Vasko57c10cd2020-05-27 15:57:11 +02001152 } else {
Radek Krejci41ac9942020-11-02 14:47:56 +01001153 LY_CHECK_RET(lyd_new_list(parent, NULL, "deviation", 0, NULL, mod->name,
Radek Krejci0f969882020-08-21 16:56:47 +02001154 (mod->parsed->revs ? mod->parsed->revs[0].date : "")));
Michal Vasko57c10cd2020-05-27 15:57:11 +02001155 }
1156 }
1157
1158 return LY_SUCCESS;
1159}
1160
1161static LY_ERR
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001162ylib_submodules(struct lyd_node *parent, const struct lysp_module *pmod, ly_bool bis)
Michal Vasko57c10cd2020-05-27 15:57:11 +02001163{
Michal Vasko3a41dff2020-07-15 14:30:28 +02001164 LY_ERR ret;
Michal Vaskofd69e1d2020-07-03 11:57:17 +02001165 LY_ARRAY_COUNT_TYPE i;
Michal Vasko3a41dff2020-07-15 14:30:28 +02001166 struct lyd_node *cont;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001167 struct lysp_submodule *submod;
Michal Vasko3a41dff2020-07-15 14:30:28 +02001168 int r;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001169 char *str;
1170
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001171 LY_ARRAY_FOR(pmod->includes, i) {
1172 submod = pmod->includes[i].submodule;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001173
1174 if (bis) {
Radek Krejci41ac9942020-11-02 14:47:56 +01001175 LY_CHECK_RET(lyd_new_list(parent, NULL, "submodule", 0, &cont, submod->name));
Michal Vasko57c10cd2020-05-27 15:57:11 +02001176
1177 if (submod->revs) {
Radek Krejci41ac9942020-11-02 14:47:56 +01001178 LY_CHECK_RET(lyd_new_term(cont, NULL, "revision", submod->revs[0].date, 0, NULL));
Michal Vasko57c10cd2020-05-27 15:57:11 +02001179 }
1180 } else {
Radek Krejci41ac9942020-11-02 14:47:56 +01001181 LY_CHECK_RET(lyd_new_list(parent, NULL, "submodule", 0, &cont, submod->name,
Radek Krejci0f969882020-08-21 16:56:47 +02001182 (submod->revs ? submod->revs[0].date : "")));
Michal Vasko57c10cd2020-05-27 15:57:11 +02001183 }
1184
1185 if (submod->filepath) {
Michal Vasko3a41dff2020-07-15 14:30:28 +02001186 r = asprintf(&str, "file://%s", submod->filepath);
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001187 LY_CHECK_ERR_RET(r == -1, LOGMEM(pmod->mod->ctx), LY_EMEM);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001188
Radek Krejci41ac9942020-11-02 14:47:56 +01001189 ret = lyd_new_term(cont, NULL, bis ? "location" : "schema", str, 0, NULL);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001190 free(str);
Michal Vasko3a41dff2020-07-15 14:30:28 +02001191 LY_CHECK_RET(ret);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001192 }
1193 }
1194
1195 return LY_SUCCESS;
1196}
1197
Jan Kundrátc53a7ec2021-12-09 16:01:19 +01001198LIBYANG_API_DEF LY_ERR
Michal Vasko794ab4b2021-03-31 09:42:19 +02001199ly_ctx_get_yanglib_data(const struct ly_ctx *ctx, struct lyd_node **root_p, const char *content_id_format, ...)
Michal Vasko57c10cd2020-05-27 15:57:11 +02001200{
Michal Vasko3a41dff2020-07-15 14:30:28 +02001201 LY_ERR ret;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001202 uint32_t i;
Radek Krejci857189e2020-09-01 13:26:36 +02001203 ly_bool bis = 0;
Radek Krejci1deb5be2020-08-26 16:43:36 +02001204 int r;
Radek Krejcif13b87b2020-12-01 22:02:17 +01001205 char *str;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001206 const struct lys_module *mod;
Michal Vasko3a41dff2020-07-15 14:30:28 +02001207 struct lyd_node *root = NULL, *root_bis = NULL, *cont, *set_bis = NULL;
Michal Vasko794ab4b2021-03-31 09:42:19 +02001208 va_list ap;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001209
Michal Vasko3a41dff2020-07-15 14:30:28 +02001210 LY_CHECK_ARG_RET(ctx, ctx, root_p, LY_EINVAL);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001211
1212 mod = ly_ctx_get_module_implemented(ctx, "ietf-yang-library");
Michal Vasko3a41dff2020-07-15 14:30:28 +02001213 LY_CHECK_ERR_RET(!mod, LOGERR(ctx, LY_EINVAL, "Module \"ietf-yang-library\" is not implemented."), LY_EINVAL);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001214
1215 if (mod->parsed->revs && !strcmp(mod->parsed->revs[0].date, "2016-06-21")) {
1216 bis = 0;
1217 } else if (mod->parsed->revs && !strcmp(mod->parsed->revs[0].date, IETF_YANG_LIB_REV)) {
1218 bis = 1;
1219 } else {
1220 LOGERR(ctx, LY_EINVAL, "Incompatible ietf-yang-library version in context.");
Michal Vasko3a41dff2020-07-15 14:30:28 +02001221 return LY_EINVAL;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001222 }
1223
Radek Krejci41ac9942020-11-02 14:47:56 +01001224 LY_CHECK_GOTO(ret = lyd_new_inner(NULL, mod, "modules-state", 0, &root), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001225
1226 if (bis) {
Radek Krejci41ac9942020-11-02 14:47:56 +01001227 LY_CHECK_GOTO(ret = lyd_new_inner(NULL, mod, "yang-library", 0, &root_bis), error);
1228 LY_CHECK_GOTO(ret = lyd_new_list(root_bis, NULL, "module-set", 0, &set_bis, "complete"), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001229 }
1230
1231 for (i = 0; i < ctx->list.count; ++i) {
1232 mod = ctx->list.objs[i];
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001233 if (!mod->parsed) {
1234 LOGERR(ctx, LY_ENOTFOUND, "Parsed module \"%s\" missing in the context.", mod->name);
1235 goto error;
1236 }
Michal Vasko57c10cd2020-05-27 15:57:11 +02001237
1238 /*
1239 * deprecated legacy
1240 */
Radek Krejci41ac9942020-11-02 14:47:56 +01001241 LY_CHECK_GOTO(ret = lyd_new_list(root, NULL, "module", 0, &cont, mod->name,
Radek Krejci0f969882020-08-21 16:56:47 +02001242 (mod->parsed->revs ? mod->parsed->revs[0].date : "")), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001243
1244 /* schema */
1245 if (mod->filepath) {
Michal Vasko3a41dff2020-07-15 14:30:28 +02001246 r = asprintf(&str, "file://%s", mod->filepath);
1247 LY_CHECK_ERR_GOTO(r == -1, LOGMEM(ctx); ret = LY_EMEM, error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001248
Radek Krejci41ac9942020-11-02 14:47:56 +01001249 ret = lyd_new_term(cont, NULL, "schema", str, 0, NULL);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001250 free(str);
Michal Vasko3a41dff2020-07-15 14:30:28 +02001251 LY_CHECK_GOTO(ret, error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001252 }
1253
1254 /* namespace */
Radek Krejci41ac9942020-11-02 14:47:56 +01001255 LY_CHECK_GOTO(ret = lyd_new_term(cont, NULL, "namespace", mod->ns, 0, NULL), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001256
1257 /* feature leaf-list */
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001258 LY_CHECK_GOTO(ret = ylib_feature(cont, mod->parsed), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001259
1260 /* deviation list */
Michal Vasko3a41dff2020-07-15 14:30:28 +02001261 LY_CHECK_GOTO(ret = ylib_deviation(cont, mod, 0), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001262
1263 /* conformance-type */
stewegd4cde642024-02-21 08:34:16 +01001264 LY_CHECK_GOTO(ret = lyd_new_term(cont, NULL, "conformance-type", mod->implemented ? "implement" : "import", 0, NULL), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001265
1266 /* submodule list */
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001267 LY_CHECK_GOTO(ret = ylib_submodules(cont, mod->parsed, 0), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001268
1269 /*
1270 * current revision
1271 */
1272 if (bis) {
1273 /* name and revision */
1274 if (mod->implemented) {
Radek Krejci41ac9942020-11-02 14:47:56 +01001275 LY_CHECK_GOTO(ret = lyd_new_list(set_bis, NULL, "module", 0, &cont, mod->name), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001276
1277 if (mod->parsed->revs) {
Radek Krejci41ac9942020-11-02 14:47:56 +01001278 LY_CHECK_GOTO(ret = lyd_new_term(cont, NULL, "revision", mod->parsed->revs[0].date, 0, NULL), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001279 }
1280 } else {
Radek Krejci41ac9942020-11-02 14:47:56 +01001281 LY_CHECK_GOTO(ret = lyd_new_list(set_bis, NULL, "import-only-module", 0, &cont, mod->name,
Radek Krejci0f969882020-08-21 16:56:47 +02001282 (mod->parsed->revs ? mod->parsed->revs[0].date : "")), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001283 }
1284
1285 /* namespace */
Radek Krejci41ac9942020-11-02 14:47:56 +01001286 LY_CHECK_GOTO(ret = lyd_new_term(cont, NULL, "namespace", mod->ns, 0, NULL), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001287
1288 /* location */
1289 if (mod->filepath) {
Michal Vasko3a41dff2020-07-15 14:30:28 +02001290 r = asprintf(&str, "file://%s", mod->filepath);
1291 LY_CHECK_ERR_GOTO(r == -1, LOGMEM(ctx); ret = LY_EMEM, error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001292
Radek Krejcid68ba1b2020-11-09 17:40:11 +01001293 ret = lyd_new_term(cont, NULL, "location", str, 0, NULL);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001294 free(str);
Michal Vasko3a41dff2020-07-15 14:30:28 +02001295 LY_CHECK_GOTO(ret, error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001296 }
1297
1298 /* submodule list */
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001299 LY_CHECK_GOTO(ret = ylib_submodules(cont, mod->parsed, 1), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001300
1301 /* feature list */
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001302 LY_CHECK_GOTO(ret = ylib_feature(cont, mod->parsed), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001303
1304 /* deviation */
Michal Vasko3a41dff2020-07-15 14:30:28 +02001305 LY_CHECK_GOTO(ret = ylib_deviation(cont, mod, 1), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001306 }
1307 }
1308
1309 /* IDs */
Michal Vasko794ab4b2021-03-31 09:42:19 +02001310 va_start(ap, content_id_format);
1311 r = vasprintf(&str, content_id_format, ap);
1312 va_end(ap);
Radek Krejcif13b87b2020-12-01 22:02:17 +01001313 LY_CHECK_ERR_GOTO(r == -1, LOGMEM(ctx); ret = LY_EMEM, error);
1314 ret = lyd_new_term(root, NULL, "module-set-id", str, 0, NULL);
1315 LY_CHECK_ERR_GOTO(ret, free(str), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001316
1317 if (bis) {
1318 /* create one complete schema */
Radek Krejcif13b87b2020-12-01 22:02:17 +01001319 LY_CHECK_ERR_GOTO(ret = lyd_new_list(root_bis, NULL, "schema", 0, &cont, "complete"), free(str), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001320
Radek Krejcif13b87b2020-12-01 22:02:17 +01001321 LY_CHECK_ERR_GOTO(ret = lyd_new_term(cont, NULL, "module-set", "complete", 0, NULL), free(str), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001322
1323 /* content-id */
Radek Krejcif13b87b2020-12-01 22:02:17 +01001324 LY_CHECK_ERR_GOTO(ret = lyd_new_term(root_bis, NULL, "content-id", str, 0, NULL), free(str), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001325 }
Radek Krejcif13b87b2020-12-01 22:02:17 +01001326 free(str);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001327
1328 if (root_bis) {
Michal Vaskob104f112020-07-17 09:54:54 +02001329 if (lyd_insert_sibling(root, root_bis, &root)) {
Michal Vasko57c10cd2020-05-27 15:57:11 +02001330 goto error;
1331 }
Michal Vaskob104f112020-07-17 09:54:54 +02001332 root_bis = NULL;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001333 }
1334
Michal Vasko3a41dff2020-07-15 14:30:28 +02001335 LY_CHECK_GOTO(ret = lyd_validate_all(&root, NULL, LYD_VALIDATE_PRESENT, NULL), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001336
Michal Vasko3a41dff2020-07-15 14:30:28 +02001337 *root_p = root;
1338 return LY_SUCCESS;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001339
1340error:
1341 lyd_free_all(root);
1342 lyd_free_all(root_bis);
Michal Vasko3a41dff2020-07-15 14:30:28 +02001343 return ret;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001344}
1345
Michal Vasko88ccd582023-03-30 11:50:57 +02001346/**
1347 * @brief Callback for freeing context error hash table values.
1348 *
1349 * @param[in] val_p Pointer to a pointer to an error item to free with all the siblings.
1350 */
1351static void
1352ly_ctx_ht_err_rec_free(void *val_p)
1353{
1354 struct ly_ctx_err_rec *err = val_p;
1355
1356 ly_err_free(err->err);
1357}
1358
Jan Kundrátc53a7ec2021-12-09 16:01:19 +01001359LIBYANG_API_DEF void
Radek Krejci90ed21e2021-04-12 14:47:46 +02001360ly_ctx_destroy(struct ly_ctx *ctx)
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001361{
Michal Vaskoc636ea42022-09-16 10:20:31 +02001362 struct lysf_ctx fctx = {.ctx = ctx};
Michal Vasko65333882021-06-10 14:12:16 +02001363
Radek Krejci418823a2018-09-20 16:42:13 +02001364 if (!ctx) {
1365 return;
1366 }
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001367
1368 /* models list */
Michal Vaskod989ba02020-08-24 10:59:24 +02001369 for ( ; ctx->list.count; ctx->list.count--) {
Michal Vaskoc636ea42022-09-16 10:20:31 +02001370 fctx.mod = ctx->list.objs[ctx->list.count - 1];
Michal Vasko65333882021-06-10 14:12:16 +02001371
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001372 /* remove the module */
Michal Vaskoc636ea42022-09-16 10:20:31 +02001373 if (fctx.mod->implemented) {
1374 fctx.mod->implemented = 0;
1375 lysc_module_free(&fctx, fctx.mod->compiled);
1376 fctx.mod->compiled = NULL;
Michal Vasko65333882021-06-10 14:12:16 +02001377 }
Michal Vaskoc636ea42022-09-16 10:20:31 +02001378 lys_module_free(&fctx, fctx.mod, 0);
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001379 }
1380 free(ctx->list.objs);
1381
Michal Vaskoc636ea42022-09-16 10:20:31 +02001382 /* free extensions */
1383 lysf_ctx_erase(&fctx);
1384
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001385 /* search paths list */
Radek Krejcia40f21b2018-09-18 10:42:08 +02001386 ly_set_erase(&ctx->search_paths, free);
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001387
Michal Vasko22b26222021-07-30 11:16:47 +02001388 /* leftover unres */
1389 lys_unres_glob_erase(&ctx->unres);
1390
stewegf9041a22024-01-18 13:29:12 +01001391 /* clean the leafref links hash table */
1392 if (ctx->leafref_links_ht) {
1393 lyht_free(ctx->leafref_links_ht, ly_ctx_ht_leafref_links_rec_free);
1394 }
1395
Michal Vasko88ccd582023-03-30 11:50:57 +02001396 /* clean the error hash table */
1397 lyht_free(ctx->err_ht, ly_ctx_ht_err_rec_free);
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001398
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001399 /* dictionary */
1400 lydict_clean(&ctx->dict);
1401
Michal Vasko11f76c82021-04-15 14:36:14 +02001402 /* LYB hash lock */
1403 pthread_mutex_destroy(&ctx->lyb_hash_lock);
1404
stewegf7aeeae2024-04-02 13:15:52 +02001405 /* context specific plugins */
1406 ly_set_erase(&ctx->plugins_types, NULL);
1407 ly_set_erase(&ctx->plugins_extensions, NULL);
1408
1409 /* shared plugins - will be removed only if this is the last context */
Radek Krejci3e6632f2021-03-22 22:08:21 +01001410 lyplg_clean();
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001411
1412 free(ctx);
1413}