blob: 7a142032223d19fccd7f4c869c22beca05215ec1 [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 Vasko88ccd582023-03-30 11:50:57 +02007 * Copyright (c) 2015 - 2023 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 Krejci535ea9f2020-05-29 16:01:05 +020035#include "common.h"
Radek Krejciaa45bda2020-07-20 07:43:38 +020036#include "compat.h"
Radek Krejcie7b95092019-05-15 11:03:07 +020037#include "hash_table.h"
Michal Vaskoafac7822020-10-20 14:22:26 +020038#include "in.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{
Radek Krejci0e212402018-09-20 11:29:38 +020084 struct stat st;
Radek Krejci0af5f5d2018-09-07 15:00:30 +020085 char *new_dir = NULL;
Radek Krejci0af5f5d2018-09-07 15:00:30 +020086
87 LY_CHECK_ARG_RET(ctx, ctx, LY_EINVAL);
88
89 if (search_dir) {
Radek Krejci0af5f5d2018-09-07 15:00:30 +020090 new_dir = realpath(search_dir, NULL);
Radek Krejcia77e0e12018-09-20 12:39:15 +020091 LY_CHECK_ERR_RET(!new_dir,
Michal Vasko69730152020-10-09 16:30:07 +020092 LOGERR(ctx, LY_ESYS, "Unable to use search directory \"%s\" (%s).", search_dir, strerror(errno)),
93 LY_EINVAL);
Radek Krejci3a077b92019-04-09 17:10:35 +020094 if (strcmp(search_dir, new_dir)) {
Michal Vasko6e63ca92021-06-24 09:22:44 +020095 LOGVRB("Search directory string \"%s\" canonized to \"%s\".", search_dir, new_dir);
Radek Krejci3a077b92019-04-09 17:10:35 +020096 }
97 LY_CHECK_ERR_RET(access(new_dir, R_OK | X_OK),
Michal Vasko69730152020-10-09 16:30:07 +020098 LOGERR(ctx, LY_ESYS, "Unable to fully access search directory \"%s\" (%s).", new_dir, strerror(errno)); free(new_dir),
99 LY_EINVAL);
Radek Krejci3a077b92019-04-09 17:10:35 +0200100 LY_CHECK_ERR_RET(stat(new_dir, &st),
Michal Vasko69730152020-10-09 16:30:07 +0200101 LOGERR(ctx, LY_ESYS, "stat() failed for \"%s\" (%s).", new_dir, strerror(errno)); free(new_dir),
102 LY_ESYS);
Radek Krejci3a077b92019-04-09 17:10:35 +0200103 LY_CHECK_ERR_RET(!S_ISDIR(st.st_mode),
Michal Vasko69730152020-10-09 16:30:07 +0200104 LOGERR(ctx, LY_ESYS, "Given search directory \"%s\" is not a directory.", new_dir); free(new_dir),
105 LY_EINVAL);
Radek Krejci0e212402018-09-20 11:29:38 +0200106 /* avoid path duplication */
Radek Krejci1deb5be2020-08-26 16:43:36 +0200107 for (uint32_t u = 0; u < ctx->search_paths.count; ++u) {
Radek Krejci14946ab2018-09-20 13:42:06 +0200108 if (!strcmp(new_dir, ctx->search_paths.objs[u])) {
Radek Krejci0e212402018-09-20 11:29:38 +0200109 free(new_dir);
Radek Krejci14946ab2018-09-20 13:42:06 +0200110 return LY_EEXIST;
Radek Krejci0e212402018-09-20 11:29:38 +0200111 }
112 }
Radek Krejci3d92e442020-10-12 12:48:13 +0200113 if (ly_set_add(&ctx->search_paths, new_dir, 1, NULL)) {
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200114 free(new_dir);
115 return LY_EMEM;
116 }
117
Radek Krejcie9e987e2018-10-31 12:50:27 +0100118 /* new searchdir - possibly more latest revision available */
119 ly_ctx_reset_latests(ctx);
120
Radek Krejci0e212402018-09-20 11:29:38 +0200121 return LY_SUCCESS;
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200122 } else {
123 /* consider that no change is not actually an error */
124 return LY_SUCCESS;
125 }
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200126}
127
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100128LIBYANG_API_DEF const char * const *
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200129ly_ctx_get_searchdirs(const struct ly_ctx *ctx)
130{
Radek Krejcif13b87b2020-12-01 22:02:17 +0100131#define LY_CTX_SEARCHDIRS_SIZE_STEP 8
Radek Krejci05026432018-09-20 12:13:43 +0200132 void **new;
133
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200134 LY_CHECK_ARG_RET(ctx, ctx, NULL);
Radek Krejci05026432018-09-20 12:13:43 +0200135
136 if (ctx->search_paths.count == ctx->search_paths.size) {
137 /* not enough space for terminating NULL byte */
Radek Krejcif13b87b2020-12-01 22:02:17 +0100138 new = realloc(((struct ly_ctx *)ctx)->search_paths.objs,
139 (ctx->search_paths.size + LY_CTX_SEARCHDIRS_SIZE_STEP) * sizeof *ctx->search_paths.objs);
Radek Krejci05026432018-09-20 12:13:43 +0200140 LY_CHECK_ERR_RET(!new, LOGMEM(NULL), NULL);
Radek Krejcif13b87b2020-12-01 22:02:17 +0100141 ((struct ly_ctx *)ctx)->search_paths.size += LY_CTX_SEARCHDIRS_SIZE_STEP;
Radek Krejci05026432018-09-20 12:13:43 +0200142 ((struct ly_ctx *)ctx)->search_paths.objs = new;
143 }
144 /* set terminating NULL byte to the strings list */
145 ctx->search_paths.objs[ctx->search_paths.count] = NULL;
146
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200147 return (const char * const *)ctx->search_paths.objs;
148}
149
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100150LIBYANG_API_DEF LY_ERR
Radek Krejcie58f97f2020-08-18 11:45:08 +0200151ly_ctx_unset_searchdir(struct ly_ctx *ctx, const char *value)
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200152{
Radek Krejcicd649072018-09-20 12:14:45 +0200153 LY_CHECK_ARG_RET(ctx, ctx, LY_EINVAL);
Radek Krejcicd649072018-09-20 12:14:45 +0200154
Michal Vaskob34480a2018-09-17 10:34:45 +0200155 if (!ctx->search_paths.count) {
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200156 return LY_SUCCESS;
157 }
158
Radek Krejci0759b792018-09-20 13:53:15 +0200159 if (value) {
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200160 /* remove specific search directory */
Radek Krejci1deb5be2020-08-26 16:43:36 +0200161 uint32_t index;
162
Radek Krejci0759b792018-09-20 13:53:15 +0200163 for (index = 0; index < ctx->search_paths.count; ++index) {
164 if (!strcmp(value, ctx->search_paths.objs[index])) {
165 break;
166 }
167 }
168 if (index == ctx->search_paths.count) {
169 LOGARG(ctx, value);
170 return LY_EINVAL;
171 } else {
172 return ly_set_rm_index(&ctx->search_paths, index, free);
173 }
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200174 } else {
175 /* remove them all */
Radek Krejcia40f21b2018-09-18 10:42:08 +0200176 ly_set_erase(&ctx->search_paths, free);
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200177 memset(&ctx->search_paths, 0, sizeof ctx->search_paths);
178 }
179
180 return LY_SUCCESS;
181}
182
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100183LIBYANG_API_DEF LY_ERR
Radek Krejci1deb5be2020-08-26 16:43:36 +0200184ly_ctx_unset_searchdir_last(struct ly_ctx *ctx, uint32_t count)
Radek Krejcied5acc52019-04-25 15:57:04 +0200185{
186 LY_CHECK_ARG_RET(ctx, ctx, LY_EINVAL);
187
Radek Krejcie58f97f2020-08-18 11:45:08 +0200188 for ( ; count > 0 && ctx->search_paths.count; --count) {
189 LY_CHECK_RET(ly_set_rm_index(&ctx->search_paths, ctx->search_paths.count - 1, free))
Radek Krejcied5acc52019-04-25 15:57:04 +0200190 }
191
192 return LY_SUCCESS;
193}
194
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100195LIBYANG_API_DEF struct lys_module *
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100196ly_ctx_load_module(struct ly_ctx *ctx, const char *name, const char *revision, const char **features)
Radek Krejcied5acc52019-04-25 15:57:04 +0200197{
Michal Vasko88497502021-06-10 14:41:51 +0200198 struct lys_module *mod = NULL;
Michal Vasko405cc9e2020-12-01 12:01:27 +0100199 LY_ERR ret = LY_SUCCESS;
Radek Krejcied5acc52019-04-25 15:57:04 +0200200
201 LY_CHECK_ARG_RET(ctx, ctx, name, NULL);
202
Michal Vaskodd992582021-06-10 14:34:57 +0200203 /* load and parse */
Michal Vasko22b26222021-07-30 11:16:47 +0200204 ret = lys_parse_load(ctx, name, revision, &ctx->unres.creating, &mod);
Michal Vaskodd992582021-06-10 14:34:57 +0200205 LY_CHECK_GOTO(ret, cleanup);
Michal Vasko4e205e82021-06-08 14:01:47 +0200206
207 /* implement */
Michal Vasko22b26222021-07-30 11:16:47 +0200208 ret = _lys_set_implemented(mod, features, &ctx->unres);
Michal Vasko65333882021-06-10 14:12:16 +0200209 LY_CHECK_GOTO(ret, cleanup);
Michal Vasko405cc9e2020-12-01 12:01:27 +0100210
Michal Vaskof4258e12021-06-15 12:11:42 +0200211 if (!(ctx->flags & LY_CTX_EXPLICIT_COMPILE)) {
212 /* create dep set for the module and mark all the modules that will be (re)compiled */
Michal Vasko22b26222021-07-30 11:16:47 +0200213 LY_CHECK_GOTO(ret = lys_unres_dep_sets_create(ctx, &ctx->unres.dep_sets, mod), cleanup);
Michal Vaskof4258e12021-06-15 12:11:42 +0200214
Michal Vasko709f9a52021-07-21 10:51:59 +0200215 /* (re)compile the whole dep set (other dep sets will have no modules marked for compilation) */
Michal Vasko22b26222021-07-30 11:16:47 +0200216 LY_CHECK_GOTO(ret = lys_compile_depset_all(ctx, &ctx->unres), cleanup);
217
218 /* unres resolved */
219 lys_unres_glob_erase(&ctx->unres);
Michal Vaskof4258e12021-06-15 12:11:42 +0200220 }
221
Michal Vasko405cc9e2020-12-01 12:01:27 +0100222cleanup:
223 if (ret) {
Michal Vasko22b26222021-07-30 11:16:47 +0200224 lys_unres_glob_revert(ctx, &ctx->unres);
225 lys_unres_glob_erase(&ctx->unres);
Michal Vaskodf6319c2021-06-10 14:41:05 +0200226 mod = NULL;
Michal Vasko405cc9e2020-12-01 12:01:27 +0100227 }
Michal Vaskodf6319c2021-06-10 14:41:05 +0200228 return mod;
Radek Krejcied5acc52019-04-25 15:57:04 +0200229}
230
Michal Vasko88ccd582023-03-30 11:50:57 +0200231/**
232 * @brief Hash table value-equal callback for comparing context error hash table record.
233 */
234static ly_bool
235ly_ctx_ht_err_equal_cb(void *val1_p, void *val2_p, ly_bool UNUSED(mod), void *UNUSED(cb_data))
236{
237 struct ly_ctx_err_rec *err1 = val1_p, *err2 = val2_p;
238
Michal Vasko98447572023-03-30 12:08:29 +0200239 return !memcmp(&err1->tid, &err2->tid, sizeof err1->tid);
Michal Vasko88ccd582023-03-30 11:50:57 +0200240}
241
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100242LIBYANG_API_DEF LY_ERR
Radek Krejci1deb5be2020-08-26 16:43:36 +0200243ly_ctx_new(const char *search_dir, uint16_t options, struct ly_ctx **new_ctx)
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200244{
245 struct ly_ctx *ctx = NULL;
246 struct lys_module *module;
Michal Vaskoc56d6372021-10-19 12:29:00 +0200247 char *search_dir_list, *sep, *dir;
248 const char **imp_f, *all_f[] = {"*", NULL};
Michal Vaskode79e222020-08-10 11:55:46 +0200249 uint32_t i;
Michal Vasko63f3d842020-07-08 10:10:14 +0200250 struct ly_in *in = NULL;
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200251 LY_ERR rc = LY_SUCCESS;
Michal Vasko405cc9e2020-12-01 12:01:27 +0100252 struct lys_glob_unres unres = {0};
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200253
Radek Krejcied5acc52019-04-25 15:57:04 +0200254 LY_CHECK_ARG_RET(NULL, new_ctx, LY_EINVAL);
255
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200256 ctx = calloc(1, sizeof *ctx);
Michal Vasko88497502021-06-10 14:41:51 +0200257 LY_CHECK_ERR_GOTO(!ctx, LOGMEM(NULL); rc = LY_EMEM, cleanup);
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200258
259 /* dictionary */
260 lydict_init(&ctx->dict);
261
262 /* plugins */
Michal Vasko88497502021-06-10 14:41:51 +0200263 LY_CHECK_ERR_GOTO(lyplg_init(), LOGINT(NULL); rc = LY_EINT, cleanup);
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200264
Michal Vasko88ccd582023-03-30 11:50:57 +0200265 /* initialize thread-specific error hash table */
266 ctx->err_ht = lyht_new(1, sizeof(struct ly_ctx_err_rec), ly_ctx_ht_err_equal_cb, NULL, 1);
267 LY_CHECK_ERR_GOTO(!ctx->err_ht, rc = LY_EMEM, cleanup);
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200268
Michal Vasko11f76c82021-04-15 14:36:14 +0200269 /* init LYB hash lock */
270 pthread_mutex_init(&ctx->lyb_hash_lock, NULL);
271
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200272 /* models list */
273 ctx->flags = options;
274 if (search_dir) {
275 search_dir_list = strdup(search_dir);
Michal Vasko88497502021-06-10 14:41:51 +0200276 LY_CHECK_ERR_GOTO(!search_dir_list, LOGMEM(NULL); rc = LY_EMEM, cleanup);
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200277
Jan Kundrát34bb9282021-12-13 18:45:50 +0100278 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 +0200279 *sep = 0;
280 rc = ly_ctx_set_searchdir(ctx, dir);
Radek Krejci14946ab2018-09-20 13:42:06 +0200281 if (rc == LY_EEXIST) {
282 /* ignore duplication */
283 rc = LY_SUCCESS;
284 }
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200285 }
Michal Vasko69730152020-10-09 16:30:07 +0200286 if (*dir && (rc == LY_SUCCESS)) {
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200287 rc = ly_ctx_set_searchdir(ctx, dir);
Radek Krejci14946ab2018-09-20 13:42:06 +0200288 if (rc == LY_EEXIST) {
289 /* ignore duplication */
290 rc = LY_SUCCESS;
291 }
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200292 }
293 free(search_dir_list);
294
295 /* If ly_ctx_set_searchdir() failed, the error is already logged. Just exit */
Michal Vasko88497502021-06-10 14:41:51 +0200296 LY_CHECK_GOTO(rc, cleanup);
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200297 }
Michal Vasko794ab4b2021-03-31 09:42:19 +0200298 ctx->change_count = 1;
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200299
Michal Vasko9434ec52021-04-19 11:30:55 +0200300 if (!(options & LY_CTX_EXPLICIT_COMPILE)) {
301 /* use it for creating the initial context */
302 ctx->flags |= LY_CTX_EXPLICIT_COMPILE;
303 }
304
Michal Vasko63f3d842020-07-08 10:10:14 +0200305 /* create dummy in */
306 rc = ly_in_new_memory(internal_modules[0].data, &in);
Michal Vasko88497502021-06-10 14:41:51 +0200307 LY_CHECK_GOTO(rc, cleanup);
Michal Vasko63f3d842020-07-08 10:10:14 +0200308
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200309 /* load internal modules */
Michal Vasko25d6ad02020-10-22 12:20:22 +0200310 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 +0200311 ly_in_memory(in, internal_modules[i].data);
Michal Vaskodd992582021-06-10 14:34:57 +0200312 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 +0200313 if (internal_modules[i].implemented || (ctx->flags & LY_CTX_ALL_IMPLEMENTED)) {
Michal Vaskoc56d6372021-10-19 12:29:00 +0200314 imp_f = (ctx->flags & LY_CTX_ENABLE_IMP_FEATURES) ? all_f : NULL;
315 LY_CHECK_GOTO(rc = lys_implement(module, imp_f, &unres), cleanup);
Michal Vasko4e205e82021-06-08 14:01:47 +0200316 }
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200317 }
318
Michal Vasko9434ec52021-04-19 11:30:55 +0200319 if (!(options & LY_CTX_EXPLICIT_COMPILE)) {
320 /* compile now */
Michal Vasko88497502021-06-10 14:41:51 +0200321 LY_CHECK_GOTO(rc = ly_ctx_compile(ctx), cleanup);
Michal Vasko9434ec52021-04-19 11:30:55 +0200322 ctx->flags &= ~LY_CTX_EXPLICIT_COMPILE;
323 }
324
Michal Vasko88497502021-06-10 14:41:51 +0200325cleanup:
Michal Vasko63f3d842020-07-08 10:10:14 +0200326 ly_in_free(in, 0);
Michal Vaskof4258e12021-06-15 12:11:42 +0200327 lys_unres_glob_erase(&unres);
Michal Vaskodf6319c2021-06-10 14:41:05 +0200328 if (rc) {
329 ly_ctx_destroy(ctx);
330 } else {
331 *new_ctx = ctx;
332 }
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200333 return rc;
334}
Radek Krejci0f969882020-08-21 16:56:47 +0200335
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200336static LY_ERR
Michal Vaskoddd76592022-01-17 13:34:48 +0100337ly_ctx_new_yl_legacy(struct ly_ctx *ctx, const struct lyd_node *yltree)
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200338{
339 struct lyd_node *module, *node;
340 struct ly_set *set;
341 const char **feature_arr = NULL;
342 const char *name = NULL, *revision = NULL;
343 struct ly_set features = {0};
344 ly_bool imported = 0;
345 const struct lys_module *mod;
346 LY_ERR ret = LY_SUCCESS;
Michal Vaskoddd76592022-01-17 13:34:48 +0100347 uint32_t i, j;
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200348
349 LY_CHECK_RET(ret = lyd_find_xpath(yltree, "/ietf-yang-library:yang-library/modules-state/module", &set));
350
351 /* process the data tree */
Michal Vaskoddd76592022-01-17 13:34:48 +0100352 for (i = 0; i < set->count; ++i) {
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200353 module = set->dnodes[i];
354
355 /* initiate */
356 revision = NULL;
357 name = NULL;
358 imported = 0;
359
360 LY_LIST_FOR(lyd_child(module), node) {
361 if (!strcmp(node->schema->name, "name")) {
Radek Krejci6d5ba0c2021-04-26 07:49:59 +0200362 name = lyd_get_value(node);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200363 } else if (!strcmp(node->schema->name, "revision")) {
Radek Krejci6d5ba0c2021-04-26 07:49:59 +0200364 revision = lyd_get_value(node);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200365 } else if (!strcmp(node->schema->name, "feature")) {
366 LY_CHECK_GOTO(ret = ly_set_add(&features, node, 0, NULL), cleanup);
367 } else if (!strcmp(node->schema->name, "conformance-type") &&
Radek Krejci6d5ba0c2021-04-26 07:49:59 +0200368 !strcmp(lyd_get_value(node), "import")) {
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200369 /* imported module - skip it, it will be loaded as a side effect
370 * of loading another module */
371 imported = 1;
372 break;
373 }
374 }
375
376 if (imported) {
377 continue;
378 }
379
380 feature_arr = malloc((features.count + 1) * sizeof *feature_arr);
381 LY_CHECK_ERR_GOTO(!feature_arr, ret = LY_EMEM, cleanup);
382
383 /* Parse features into an array of strings */
Michal Vaskoddd76592022-01-17 13:34:48 +0100384 for (j = 0; j < features.count; ++j) {
385 feature_arr[j] = lyd_get_value(features.dnodes[j]);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200386 }
387 feature_arr[features.count] = NULL;
388 ly_set_clean(&features, free);
389
390 /* use the gathered data to load the module */
391 mod = ly_ctx_load_module(ctx, name, revision, feature_arr);
392 free(feature_arr);
393 if (!mod) {
394 LOGERR(ctx, LY_EINVAL, "Unable to load module specified by yang library data.");
395 ly_set_free(set, free);
396 return LY_EINVAL;
397 }
398 }
399
400cleanup:
401 ly_set_clean(&features, free);
402 ly_set_free(set, free);
403 return ret;
404}
405
Michal Vaskoddd76592022-01-17 13:34:48 +0100406LIBYANG_API_DEF LY_ERR
407ly_ctx_new_ylpath(const char *search_dir, const char *path, LYD_FORMAT format, int options, struct ly_ctx **ctx)
408{
409 LY_ERR ret = LY_SUCCESS;
410 struct ly_ctx *ctx_yl = NULL;
411 struct lyd_node *data_yl = NULL;
412
413 LY_CHECK_ARG_RET(NULL, path, ctx, LY_EINVAL);
414
415 /* create a seperate context for the data */
416 LY_CHECK_GOTO(ret = ly_ctx_new(search_dir, 0, &ctx_yl), cleanup);
417
418 /* parse yang library data tree */
419 LY_CHECK_GOTO(ret = lyd_parse_data_path(ctx_yl, path, format, 0, LYD_VALIDATE_PRESENT, &data_yl), cleanup);
420
421 /* create the new context */
422 ret = ly_ctx_new_yldata(search_dir, data_yl, options, ctx);
423
424cleanup:
425 lyd_free_all(data_yl);
426 ly_ctx_destroy(ctx_yl);
427 return ret;
428}
429
430LIBYANG_API_DEF LY_ERR
431ly_ctx_new_ylmem(const char *search_dir, const char *data, LYD_FORMAT format, int options, struct ly_ctx **ctx)
432{
433 LY_ERR ret = LY_SUCCESS;
434 struct ly_ctx *ctx_yl = NULL;
435 struct lyd_node *data_yl = NULL;
436
437 LY_CHECK_ARG_RET(NULL, data, ctx, LY_EINVAL);
438
439 /* create a seperate context for the data */
440 LY_CHECK_GOTO(ret = ly_ctx_new(search_dir, 0, &ctx_yl), cleanup);
441
442 /* parse yang library data tree */
443 LY_CHECK_GOTO(ret = lyd_parse_data_mem(ctx_yl, data, format, 0, LYD_VALIDATE_PRESENT, &data_yl), cleanup);
444
445 /* create the new context */
446 ret = ly_ctx_new_yldata(search_dir, data_yl, options, ctx);
447
448cleanup:
449 lyd_free_all(data_yl);
450 ly_ctx_destroy(ctx_yl);
451 return ret;
452}
453
454LIBYANG_API_DEF LY_ERR
455ly_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 +0200456{
457 const char *name = NULL, *revision = NULL;
458 struct lyd_node *module, *node;
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200459 struct ly_set *set = NULL;
460 const char **feature_arr = NULL;
461 struct ly_set features = {0};
462 LY_ERR ret = LY_SUCCESS;
463 const struct lys_module *mod;
Michal Vaskoddd76592022-01-17 13:34:48 +0100464 struct ly_ctx *ctx_new = NULL;
Michal Vaskoad8d0f52021-04-26 13:21:24 +0200465 ly_bool no_expl_compile = 0;
Michal Vaskoddd76592022-01-17 13:34:48 +0100466 uint32_t i, j;
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200467
Michal Vaskoddd76592022-01-17 13:34:48 +0100468 LY_CHECK_ARG_RET(NULL, tree, ctx, LY_EINVAL);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200469
Michal Vaskoddd76592022-01-17 13:34:48 +0100470 /* create a new context */
ekinzie0ab8b302022-10-10 03:03:57 -0400471 if (*ctx == NULL) {
472 LY_CHECK_GOTO(ret = ly_ctx_new(search_dir, options, &ctx_new), cleanup);
473 } else {
474 ctx_new = *ctx;
475 }
Michal Vaskoad8d0f52021-04-26 13:21:24 +0200476
477 /* redundant to compile modules one-by-one */
478 if (!(options & LY_CTX_EXPLICIT_COMPILE)) {
479 ctx_new->flags |= LY_CTX_EXPLICIT_COMPILE;
480 no_expl_compile = 1;
481 }
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200482
Michal Vaskoddd76592022-01-17 13:34:48 +0100483 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 +0200484 if (set->count == 0) {
485 /* perhaps a legacy data tree? */
Michal Vaskoddd76592022-01-17 13:34:48 +0100486 LY_CHECK_GOTO(ret = ly_ctx_new_yl_legacy(ctx_new, tree), cleanup);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200487 } else {
488 /* process the data tree */
Michal Vaskoddd76592022-01-17 13:34:48 +0100489 for (i = 0; i < set->count; ++i) {
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200490 module = set->dnodes[i];
491
492 /* initiate */
493 name = NULL;
494 revision = NULL;
495
Michal Vaskoddd76592022-01-17 13:34:48 +0100496 /* iterate over data */
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200497 LY_LIST_FOR(lyd_child(module), node) {
498 if (!strcmp(node->schema->name, "name")) {
Radek Krejci6d5ba0c2021-04-26 07:49:59 +0200499 name = lyd_get_value(node);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200500 } else if (!strcmp(node->schema->name, "revision")) {
Radek Krejci6d5ba0c2021-04-26 07:49:59 +0200501 revision = lyd_get_value(node);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200502 } else if (!strcmp(node->schema->name, "feature")) {
503 LY_CHECK_GOTO(ret = ly_set_add(&features, node, 0, NULL), cleanup);
504 }
505 }
506
507 feature_arr = malloc((features.count + 1) * sizeof *feature_arr);
508 LY_CHECK_ERR_GOTO(!feature_arr, ret = LY_EMEM, cleanup);
509
Michal Vaskoddd76592022-01-17 13:34:48 +0100510 /* parse features into an array of strings */
511 for (j = 0; j < features.count; ++j) {
512 feature_arr[j] = lyd_get_value(features.dnodes[j]);
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200513 }
514 feature_arr[features.count] = NULL;
515 ly_set_clean(&features, NULL);
516
517 /* use the gathered data to load the module */
518 mod = ly_ctx_load_module(ctx_new, name, revision, feature_arr);
519 free(feature_arr);
520 if (!mod) {
Michal Vasko22e01fa2022-11-02 12:15:15 +0100521 LOGERR(*ctx ? *ctx : LYD_CTX(tree), LY_EINVAL, "Unable to load module %s@%s specified by yang library data.",
522 name, revision ? revision : "<none>");
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200523 ret = LY_EINVAL;
524 goto cleanup;
525 }
526 }
527 }
528
Michal Vaskoad8d0f52021-04-26 13:21:24 +0200529 /* compile */
530 LY_CHECK_GOTO(ret = ly_ctx_compile(ctx_new), cleanup);
531
532 if (no_expl_compile) {
533 /* unset flag */
534 ctx_new->flags &= ~LY_CTX_EXPLICIT_COMPILE;
535 }
536
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200537cleanup:
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200538 ly_set_free(set, NULL);
539 ly_set_erase(&features, NULL);
ekinzie0ab8b302022-10-10 03:03:57 -0400540 if (*ctx == NULL) {
541 *ctx = ctx_new;
542 if (ret) {
543 ly_ctx_destroy(*ctx);
544 *ctx = NULL;
545 }
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200546 }
Tadeáš Vintrlík390b2722021-04-07 13:52:45 +0200547 return ret;
548}
549
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100550LIBYANG_API_DEF LY_ERR
Michal Vasko01db7de2021-04-16 12:23:30 +0200551ly_ctx_compile(struct ly_ctx *ctx)
552{
Michal Vaskod39bea42021-06-14 10:42:49 +0200553 LY_ERR ret = LY_SUCCESS;
Michal Vasko01db7de2021-04-16 12:23:30 +0200554
555 LY_CHECK_ARG_RET(NULL, ctx, LY_EINVAL);
556
Michal Vaskof4258e12021-06-15 12:11:42 +0200557 /* create dep sets and mark all the modules that will be (re)compiled */
Michal Vasko22b26222021-07-30 11:16:47 +0200558 LY_CHECK_GOTO(ret = lys_unres_dep_sets_create(ctx, &ctx->unres.dep_sets, NULL), cleanup);
Michal Vaskod39bea42021-06-14 10:42:49 +0200559
Michal Vaskof4258e12021-06-15 12:11:42 +0200560 /* (re)compile all the dep sets */
Michal Vasko22b26222021-07-30 11:16:47 +0200561 LY_CHECK_GOTO(ret = lys_compile_depset_all(ctx, &ctx->unres), cleanup);
Michal Vasko01db7de2021-04-16 12:23:30 +0200562
Michal Vaskod39bea42021-06-14 10:42:49 +0200563cleanup:
Michal Vaskof4258e12021-06-15 12:11:42 +0200564 if (ret) {
565 /* revert changes of modules */
Michal Vasko22b26222021-07-30 11:16:47 +0200566 lys_unres_glob_revert(ctx, &ctx->unres);
Michal Vaskof4258e12021-06-15 12:11:42 +0200567 }
Michal Vasko22b26222021-07-30 11:16:47 +0200568 lys_unres_glob_erase(&ctx->unres);
Michal Vaskod39bea42021-06-14 10:42:49 +0200569 return ret;
Michal Vasko01db7de2021-04-16 12:23:30 +0200570}
571
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100572LIBYANG_API_DEF uint16_t
Radek Krejci3fbe89a2018-09-20 13:54:46 +0200573ly_ctx_get_options(const struct ly_ctx *ctx)
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200574{
Radek Krejci3fbe89a2018-09-20 13:54:46 +0200575 LY_CHECK_ARG_RET(ctx, ctx, 0);
Michal Vasko28f1ffe2021-06-15 11:57:23 +0200576
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200577 return ctx->flags;
578}
579
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100580LIBYANG_API_DEF LY_ERR
Radek Krejci1deb5be2020-08-26 16:43:36 +0200581ly_ctx_set_options(struct ly_ctx *ctx, uint16_t option)
Radek Krejcica828d92018-09-20 14:19:43 +0200582{
Michal Vasko01db7de2021-04-16 12:23:30 +0200583 LY_ERR lyrc = LY_SUCCESS;
Michal Vasko7213ac52021-06-15 11:52:13 +0200584 struct lys_module *mod;
585 uint32_t i;
Radek Krejciddbc4812021-04-13 21:18:02 +0200586
Radek Krejcica828d92018-09-20 14:19:43 +0200587 LY_CHECK_ARG_RET(ctx, ctx, LY_EINVAL);
Michal Vaskoaecb11f2021-10-19 14:02:42 +0200588 LY_CHECK_ERR_RET((option & LY_CTX_NO_YANGLIBRARY) && !(ctx->flags & LY_CTX_NO_YANGLIBRARY),
589 LOGARG(ctx, option), LY_EINVAL);
aPiecek9922ea92021-04-12 07:59:20 +0200590
591 if (!(ctx->flags & LY_CTX_SET_PRIV_PARSED) && (option & LY_CTX_SET_PRIV_PARSED)) {
592 ctx->flags |= LY_CTX_SET_PRIV_PARSED;
Michal Vasko7213ac52021-06-15 11:52:13 +0200593 /* recompile the whole context to set the priv pointers */
594 for (i = 0; i < ctx->list.count; ++i) {
595 mod = ctx->list.objs[i];
596 if (mod->implemented) {
597 mod->to_compile = 1;
598 }
599 }
600 lyrc = ly_ctx_compile(ctx);
Michal Vasko01db7de2021-04-16 12:23:30 +0200601 if (lyrc) {
aPiecek9922ea92021-04-12 07:59:20 +0200602 ly_ctx_unset_options(ctx, LY_CTX_SET_PRIV_PARSED);
603 }
604 }
Radek Krejcica828d92018-09-20 14:19:43 +0200605
606 /* set the option(s) */
aPiecek9922ea92021-04-12 07:59:20 +0200607 if (!lyrc) {
608 ctx->flags |= option;
609 }
Radek Krejcica828d92018-09-20 14:19:43 +0200610
aPiecek9922ea92021-04-12 07:59:20 +0200611 return lyrc;
612}
613
614static LY_ERR
615lysc_node_clear_priv_dfs_cb(struct lysc_node *node, void *UNUSED(data), ly_bool *UNUSED(dfs_continue))
616{
617 node->priv = NULL;
Radek Krejcica828d92018-09-20 14:19:43 +0200618 return LY_SUCCESS;
619}
620
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100621LIBYANG_API_DEF LY_ERR
Radek Krejci1deb5be2020-08-26 16:43:36 +0200622ly_ctx_unset_options(struct ly_ctx *ctx, uint16_t option)
Radek Krejcica828d92018-09-20 14:19:43 +0200623{
Michal Vasko193dacd2022-10-13 08:43:05 +0200624 LY_ARRAY_COUNT_TYPE u, v;
625 const struct lysc_ext_instance *ext;
626 struct lysc_node *root;
627
Radek Krejcica828d92018-09-20 14:19:43 +0200628 LY_CHECK_ARG_RET(ctx, ctx, LY_EINVAL);
Michal Vasko25d6ad02020-10-22 12:20:22 +0200629 LY_CHECK_ERR_RET(option & LY_CTX_NO_YANGLIBRARY, LOGARG(ctx, option), LY_EINVAL);
Radek Krejcica828d92018-09-20 14:19:43 +0200630
aPiecek9922ea92021-04-12 07:59:20 +0200631 if ((ctx->flags & LY_CTX_SET_PRIV_PARSED) && (option & LY_CTX_SET_PRIV_PARSED)) {
632 struct lys_module *mod;
633 uint32_t index;
634
635 index = 0;
Michal Vaskoa51ef072021-07-02 10:40:30 +0200636 while ((mod = ly_ctx_get_module_iter(ctx, &index))) {
Michal Vasko193dacd2022-10-13 08:43:05 +0200637 if (!mod->compiled) {
638 continue;
639 }
640
641 /* set NULL for all ::lysc_node.priv pointers in module */
642 lysc_module_dfs_full(mod, lysc_node_clear_priv_dfs_cb, NULL);
643
644 /* set NULL for all ::lysc_node.priv pointers in compiled extension instances */
645 LY_ARRAY_FOR(mod->compiled->exts, u) {
646 ext = &mod->compiled->exts[u];
647 LY_ARRAY_FOR(ext->substmts, v) {
648 if (ext->substmts[v].stmt & LY_STMT_DATA_NODE_MASK) {
649 LY_LIST_FOR(*(struct lysc_node **)ext->substmts[v].storage, root) {
650 lysc_tree_dfs_full(root, lysc_node_clear_priv_dfs_cb, NULL);
651 }
652 }
653 }
654 }
aPiecek9922ea92021-04-12 07:59:20 +0200655 }
656 }
657
Radek Krejcica828d92018-09-20 14:19:43 +0200658 /* unset the option(s) */
659 ctx->flags &= ~option;
660
661 return LY_SUCCESS;
662}
663
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100664LIBYANG_API_DEF uint16_t
Michal Vasko794ab4b2021-03-31 09:42:19 +0200665ly_ctx_get_change_count(const struct ly_ctx *ctx)
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200666{
Radek Krejci3fbe89a2018-09-20 13:54:46 +0200667 LY_CHECK_ARG_RET(ctx, ctx, 0);
Michal Vasko794ab4b2021-03-31 09:42:19 +0200668
669 return ctx->change_count;
Radek Krejci0af5f5d2018-09-07 15:00:30 +0200670}
671
Michal Vaskof9943e42023-03-22 07:29:37 +0100672LIBYANG_API_DEF uint32_t
673ly_ctx_get_modules_hash(const struct ly_ctx *ctx)
674{
675 const struct lys_module *mod;
Michal Vaskof332f032023-04-11 13:44:52 +0200676 uint32_t i = ly_ctx_internal_modules_count(ctx), hash = 0, fi = 0;
677 struct lysp_feature *f = NULL;
Michal Vaskof9943e42023-03-22 07:29:37 +0100678
679 LY_CHECK_ARG_RET(ctx, ctx, 0);
680
681 while ((mod = ly_ctx_get_module_iter(ctx, &i))) {
Michal Vaskof332f032023-04-11 13:44:52 +0200682 /* name */
Michal Vaskoae130f52023-04-20 14:25:16 +0200683 hash = lyht_hash_multi(hash, mod->name, strlen(mod->name));
Michal Vaskof332f032023-04-11 13:44:52 +0200684
685 /* revision */
Michal Vaskof9943e42023-03-22 07:29:37 +0100686 if (mod->revision) {
Michal Vaskoae130f52023-04-20 14:25:16 +0200687 hash = lyht_hash_multi(hash, mod->revision, strlen(mod->revision));
Michal Vaskof9943e42023-03-22 07:29:37 +0100688 }
Michal Vaskof332f032023-04-11 13:44:52 +0200689
690 /* enabled features */
691 while ((f = lysp_feature_next(f, mod->parsed, &fi))) {
692 if (f->flags & LYS_FENABLED) {
Michal Vaskoae130f52023-04-20 14:25:16 +0200693 hash = lyht_hash_multi(hash, f->name, strlen(f->name));
Michal Vaskof332f032023-04-11 13:44:52 +0200694 }
695 }
696
697 /* imported/implemented */
Michal Vaskoae130f52023-04-20 14:25:16 +0200698 hash = lyht_hash_multi(hash, (char *)&mod->implemented, sizeof mod->implemented);
Michal Vaskof9943e42023-03-22 07:29:37 +0100699 }
700
Michal Vaskoae130f52023-04-20 14:25:16 +0200701 hash = lyht_hash_multi(hash, NULL, 0);
Michal Vaskof9943e42023-03-22 07:29:37 +0100702 return hash;
703}
704
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100705LIBYANG_API_DEF ly_module_imp_clb
Radek Krejcid33273d2018-10-25 14:55:52 +0200706ly_ctx_get_module_imp_clb(const struct ly_ctx *ctx, void **user_data)
707{
708 LY_CHECK_ARG_RET(ctx, ctx, NULL);
709
710 if (user_data) {
711 *user_data = ctx->imp_clb_data;
712 }
713 return ctx->imp_clb;
714}
715
Michal Vaskoddd76592022-01-17 13:34:48 +0100716LIBYANG_API_DEF void
717ly_ctx_set_module_imp_clb(struct ly_ctx *ctx, ly_module_imp_clb clb, void *user_data)
718{
719 LY_CHECK_ARG_RET(ctx, ctx, );
720
721 ctx->imp_clb = clb;
722 ctx->imp_clb_data = user_data;
723}
724
725LIBYANG_API_DEF ly_ext_data_clb
726ly_ctx_set_ext_data_clb(struct ly_ctx *ctx, ly_ext_data_clb clb, void *user_data)
727{
728 ly_ext_data_clb prev;
729
730 LY_CHECK_ARG_RET(ctx, ctx, NULL);
731
732 prev = ctx->ext_clb;
733 ctx->ext_clb = clb;
734 ctx->ext_clb_data = user_data;
735
736 return prev;
737}
738
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100739LIBYANG_API_DEF struct lys_module *
Radek Krejci1deb5be2020-08-26 16:43:36 +0200740ly_ctx_get_module_iter(const struct ly_ctx *ctx, uint32_t *index)
Radek Krejcied5acc52019-04-25 15:57:04 +0200741{
742 LY_CHECK_ARG_RET(ctx, ctx, index, NULL);
743
Michal Vasko2307ff82021-04-16 11:51:18 +0200744 if (*index < ctx->list.count) {
Radek Krejcied5acc52019-04-25 15:57:04 +0200745 return ctx->list.objs[(*index)++];
Radek Krejci2390fb52019-04-30 13:27:43 +0200746 } else {
747 return NULL;
Radek Krejcied5acc52019-04-25 15:57:04 +0200748 }
Radek Krejcied5acc52019-04-25 15:57:04 +0200749}
750
Radek Krejcib7db73a2018-10-24 14:18:40 +0200751/**
752 * @brief Iterate over the modules in the given context. Returned modules must match the given key at the offset of
753 * lysp_module and lysc_module structures (they are supposed to be placed at the same offset in both structures).
754 *
755 * @param[in] ctx Context where to iterate.
756 * @param[in] key Key value to search for.
Radek Krejci0ad51f12020-07-16 12:08:12 +0200757 * @param[in] key_size Optional length of the @p key. If zero, NULL-terminated key is expected.
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100758 * @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 +0200759 * @param[in,out] Iterator to pass between the function calls. On the first call, the variable is supposed to be
760 * initiated to 0. After each call returning a module, the value is greater by 1 than the index of the returned
761 * module in the context.
762 * @return Module matching the given key, NULL if no such module found.
763 */
Radek Krejci0af46292019-01-11 16:02:31 +0100764static struct lys_module *
Radek Krejci1deb5be2020-08-26 16:43:36 +0200765ly_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 +0200766{
Radek Krejci0af46292019-01-11 16:02:31 +0100767 struct lys_module *mod;
Radek Krejcib7db73a2018-10-24 14:18:40 +0200768 const char *value;
769
Michal Vaskod989ba02020-08-24 10:59:24 +0200770 for ( ; *index < ctx->list.count; ++(*index)) {
Radek Krejcib7db73a2018-10-24 14:18:40 +0200771 mod = ctx->list.objs[*index];
Michal Vasko22df3f02020-08-24 13:29:22 +0200772 value = *(const char **)(((int8_t *)(mod)) + key_offset);
Michal Vasko69730152020-10-09 16:30:07 +0200773 if ((!key_size && !strcmp(key, value)) || (key_size && !strncmp(key, value, key_size) && (value[key_size] == '\0'))) {
Radek Krejcib7db73a2018-10-24 14:18:40 +0200774 /* increment index for the next run */
775 ++(*index);
776 return mod;
777 }
778 }
779 /* done */
780 return NULL;
781}
782
783/**
784 * @brief Unifying function for ly_ctx_get_module() and ly_ctx_get_module_ns()
785 * @param[in] ctx Context where to search.
786 * @param[in] key Name or Namespace as a search key.
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100787 * @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 +0200788 * @param[in] revision Revision date to match. If NULL, the matching module must have no revision. To search for the latest
789 * revision module, use ly_ctx_get_module_latest_by().
790 * @return Matching module if any.
791 */
Radek Krejci0af46292019-01-11 16:02:31 +0100792static struct lys_module *
Radek Krejcib7db73a2018-10-24 14:18:40 +0200793ly_ctx_get_module_by(const struct ly_ctx *ctx, const char *key, size_t key_offset, const char *revision)
794{
Radek Krejci0af46292019-01-11 16:02:31 +0100795 struct lys_module *mod;
Radek Krejci1deb5be2020-08-26 16:43:36 +0200796 uint32_t index = 0;
Radek Krejcib7db73a2018-10-24 14:18:40 +0200797
Radek Krejci0ad51f12020-07-16 12:08:12 +0200798 while ((mod = ly_ctx_get_module_by_iter(ctx, key, 0, key_offset, &index))) {
Radek Krejcib7db73a2018-10-24 14:18:40 +0200799 if (!revision) {
Radek Krejci0af46292019-01-11 16:02:31 +0100800 if (!mod->revision) {
Radek Krejcib7db73a2018-10-24 14:18:40 +0200801 /* found requested module without revision */
802 return mod;
803 }
804 } else {
Radek Krejci0af46292019-01-11 16:02:31 +0100805 if (mod->revision && !strcmp(mod->revision, revision)) {
Radek Krejcib7db73a2018-10-24 14:18:40 +0200806 /* found requested module of the specific revision */
807 return mod;
808 }
809 }
810 }
811
812 return NULL;
813}
814
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100815LIBYANG_API_DEF struct lys_module *
Radek Krejcib7db73a2018-10-24 14:18:40 +0200816ly_ctx_get_module_ns(const struct ly_ctx *ctx, const char *ns, const char *revision)
817{
818 LY_CHECK_ARG_RET(ctx, ctx, ns, NULL);
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100819 return ly_ctx_get_module_by(ctx, ns, offsetof(struct lys_module, ns), revision);
Radek Krejcib7db73a2018-10-24 14:18:40 +0200820}
821
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100822LIBYANG_API_DEF struct lys_module *
Radek Krejcib7db73a2018-10-24 14:18:40 +0200823ly_ctx_get_module(const struct ly_ctx *ctx, const char *name, const char *revision)
824{
825 LY_CHECK_ARG_RET(ctx, ctx, name, NULL);
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100826 return ly_ctx_get_module_by(ctx, name, offsetof(struct lys_module, name), revision);
Radek Krejcib7db73a2018-10-24 14:18:40 +0200827}
828
829/**
830 * @brief Unifying function for ly_ctx_get_module_latest() and ly_ctx_get_module_latest_ns()
831 * @param[in] ctx Context where to search.
832 * @param[in] key Name or Namespace as a search key.
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100833 * @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 +0200834 * @return Matching module if any.
835 */
Radek Krejci0af46292019-01-11 16:02:31 +0100836static struct lys_module *
Radek Krejcib7db73a2018-10-24 14:18:40 +0200837ly_ctx_get_module_latest_by(const struct ly_ctx *ctx, const char *key, size_t key_offset)
838{
Radek Krejci0af46292019-01-11 16:02:31 +0100839 struct lys_module *mod;
Radek Krejci1deb5be2020-08-26 16:43:36 +0200840 uint32_t index = 0;
Radek Krejcib7db73a2018-10-24 14:18:40 +0200841
Radek Krejci0ad51f12020-07-16 12:08:12 +0200842 while ((mod = ly_ctx_get_module_by_iter(ctx, key, 0, key_offset, &index))) {
aPiecek94d330b2021-08-04 11:57:31 +0200843 if (mod->latest_revision & LYS_MOD_LATEST_REV) {
Radek Krejci9f5e6fb2018-10-25 09:26:12 +0200844 return mod;
Radek Krejcib7db73a2018-10-24 14:18:40 +0200845 }
846 }
847
Radek Krejci9f5e6fb2018-10-25 09:26:12 +0200848 return NULL;
Radek Krejcib7db73a2018-10-24 14:18:40 +0200849}
850
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100851LIBYANG_API_DEF struct lys_module *
Radek Krejcib7db73a2018-10-24 14:18:40 +0200852ly_ctx_get_module_latest(const struct ly_ctx *ctx, const char *name)
853{
854 LY_CHECK_ARG_RET(ctx, ctx, name, NULL);
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100855 return ly_ctx_get_module_latest_by(ctx, name, offsetof(struct lys_module, name));
Radek Krejcib7db73a2018-10-24 14:18:40 +0200856}
857
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100858LIBYANG_API_DEF struct lys_module *
Radek Krejcib7db73a2018-10-24 14:18:40 +0200859ly_ctx_get_module_latest_ns(const struct ly_ctx *ctx, const char *ns)
860{
861 LY_CHECK_ARG_RET(ctx, ctx, ns, NULL);
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100862 return ly_ctx_get_module_latest_by(ctx, ns, offsetof(struct lys_module, ns));
Radek Krejcib7db73a2018-10-24 14:18:40 +0200863}
864
865/**
866 * @brief Unifying function for ly_ctx_get_module_implemented() and ly_ctx_get_module_implemented_ns()
867 * @param[in] ctx Context where to search.
868 * @param[in] key Name or Namespace as a search key.
Radek Krejci0ad51f12020-07-16 12:08:12 +0200869 * @param[in] key_size Optional length of the @p key. If zero, NULL-terminated key is expected.
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100870 * @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 +0200871 * @return Matching module if any.
872 */
Radek Krejci0af46292019-01-11 16:02:31 +0100873static struct lys_module *
Radek Krejci0ad51f12020-07-16 12:08:12 +0200874ly_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 +0200875{
Radek Krejci0af46292019-01-11 16:02:31 +0100876 struct lys_module *mod;
Radek Krejci1deb5be2020-08-26 16:43:36 +0200877 uint32_t index = 0;
Radek Krejcib7db73a2018-10-24 14:18:40 +0200878
Radek Krejci0ad51f12020-07-16 12:08:12 +0200879 while ((mod = ly_ctx_get_module_by_iter(ctx, key, key_size, key_offset, &index))) {
Radek Krejci0bcdaed2019-01-10 10:21:34 +0100880 if (mod->implemented) {
Radek Krejcib7db73a2018-10-24 14:18:40 +0200881 return mod;
882 }
883 }
884
885 return NULL;
886}
887
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100888LIBYANG_API_DEF struct lys_module *
Radek Krejcib7db73a2018-10-24 14:18:40 +0200889ly_ctx_get_module_implemented(const struct ly_ctx *ctx, const char *name)
890{
891 LY_CHECK_ARG_RET(ctx, ctx, name, NULL);
Radek Krejci0ad51f12020-07-16 12:08:12 +0200892 return ly_ctx_get_module_implemented_by(ctx, name, 0, offsetof(struct lys_module, name));
893}
894
895struct lys_module *
896ly_ctx_get_module_implemented2(const struct ly_ctx *ctx, const char *name, size_t name_len)
897{
898 LY_CHECK_ARG_RET(ctx, ctx, name, NULL);
899 return ly_ctx_get_module_implemented_by(ctx, name, name_len, offsetof(struct lys_module, name));
Radek Krejcib7db73a2018-10-24 14:18:40 +0200900}
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_implemented_ns(const struct ly_ctx *ctx, const char *ns)
904{
905 LY_CHECK_ARG_RET(ctx, ctx, ns, NULL);
Radek Krejci0ad51f12020-07-16 12:08:12 +0200906 return ly_ctx_get_module_implemented_by(ctx, ns, 0, offsetof(struct lys_module, ns));
Radek Krejcib7db73a2018-10-24 14:18:40 +0200907}
908
Michal Vasko8dc31992021-02-22 10:30:47 +0100909/**
910 * @brief Try to find a submodule in a module.
911 *
912 * @param[in] module Module where to search in.
913 * @param[in] submodule Name of the submodule to find.
914 * @param[in] revision Revision of the submodule to find. NULL for submodule with no revision.
915 * @param[in] latest Ignore @p revision and look for the latest revision.
916 * @return Pointer to the specified submodule if it is present in the context.
917 */
918static const struct lysp_submodule *
919_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 +0200920{
Radek Krejcid33273d2018-10-25 14:55:52 +0200921 struct lysp_include *inc;
Michal Vaskofd69e1d2020-07-03 11:57:17 +0200922 LY_ARRAY_COUNT_TYPE u;
Radek Krejcid33273d2018-10-25 14:55:52 +0200923
Michal Vasko8dc31992021-02-22 10:30:47 +0100924 LY_CHECK_ARG_RET(NULL, module, module->parsed, submodule, NULL);
Michal Vaskoc3781c32020-10-06 14:04:08 +0200925
Michal Vasko8dc31992021-02-22 10:30:47 +0100926 LY_ARRAY_FOR(module->parsed->includes, u) {
927 if (module->parsed->includes[u].submodule && !strcmp(submodule, module->parsed->includes[u].submodule->name)) {
928 inc = &module->parsed->includes[u];
929
930 if (latest && inc->submodule->latest_revision) {
931 /* latest revision */
932 return inc->submodule;
933 } else if (!revision && !inc->submodule->revs) {
934 /* no revision */
935 return inc->submodule;
936 } else if (revision && inc->submodule->revs && !strcmp(revision, inc->submodule->revs[0].date)) {
937 /* specific revision */
938 return inc->submodule;
939 }
Michal Vaskoc3781c32020-10-06 14:04:08 +0200940 }
Michal Vaskoc3781c32020-10-06 14:04:08 +0200941 }
Radek Krejcifaa1eac2018-10-30 14:34:55 +0100942
Michal Vasko8dc31992021-02-22 10:30:47 +0100943 return NULL;
944}
945
946/**
947 * @brief Try to find a submodule in the context.
948 *
949 * @param[in] ctx Context where to search in.
950 * @param[in] submodule Name of the submodule to find.
951 * @param[in] revision Revision of the submodule to find. NULL for submodule with no revision.
952 * @param[in] latest Ignore @p revision and look for the latest revision.
953 * @return Pointer to the specified submodule if it is present in the context.
954 */
955static const struct lysp_submodule *
956_ly_ctx_get_submodule(const struct ly_ctx *ctx, const char *submodule, const char *revision, ly_bool latest)
957{
958 const struct lys_module *mod;
959 const struct lysp_submodule *submod = NULL;
960 uint32_t v;
961
962 LY_CHECK_ARG_RET(ctx, ctx, submodule, NULL);
963
Radek Krejcifaa1eac2018-10-30 14:34:55 +0100964 for (v = 0; v < ctx->list.count; ++v) {
965 mod = ctx->list.objs[v];
Radek Krejcid33273d2018-10-25 14:55:52 +0200966 if (!mod->parsed) {
967 continue;
968 }
969
Michal Vasko8dc31992021-02-22 10:30:47 +0100970 submod = _ly_ctx_get_submodule2(mod, submodule, revision, latest);
971 if (submod) {
Michal Vaskoc3781c32020-10-06 14:04:08 +0200972 break;
973 }
Radek Krejcid33273d2018-10-25 14:55:52 +0200974 }
975
Michal Vasko8dc31992021-02-22 10:30:47 +0100976 return submod;
977}
978
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100979LIBYANG_API_DEF const struct lysp_submodule *
Michal Vasko8dc31992021-02-22 10:30:47 +0100980ly_ctx_get_submodule(const struct ly_ctx *ctx, const char *submodule, const char *revision)
981{
982 return _ly_ctx_get_submodule(ctx, submodule, revision, 0);
983}
984
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100985LIBYANG_API_DEF const struct lysp_submodule *
Michal Vasko8dc31992021-02-22 10:30:47 +0100986ly_ctx_get_submodule_latest(const struct ly_ctx *ctx, const char *submodule)
987{
988 return _ly_ctx_get_submodule(ctx, submodule, NULL, 1);
989}
990
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100991LIBYANG_API_DEF const struct lysp_submodule *
Michal Vasko8dc31992021-02-22 10:30:47 +0100992ly_ctx_get_submodule2(const struct lys_module *module, const char *submodule, const char *revision)
993{
994 return _ly_ctx_get_submodule2(module, submodule, revision, 0);
995}
996
Jan Kundrátc53a7ec2021-12-09 16:01:19 +0100997LIBYANG_API_DEF const struct lysp_submodule *
Michal Vasko8dc31992021-02-22 10:30:47 +0100998ly_ctx_get_submodule2_latest(const struct lys_module *module, const char *submodule)
999{
1000 return _ly_ctx_get_submodule2(module, submodule, NULL, 1);
Radek Krejcid33273d2018-10-25 14:55:52 +02001001}
1002
Jan Kundrátc53a7ec2021-12-09 16:01:19 +01001003LIBYANG_API_DEF void
Radek Krejcie9e987e2018-10-31 12:50:27 +01001004ly_ctx_reset_latests(struct ly_ctx *ctx)
1005{
Radek Krejcie9e987e2018-10-31 12:50:27 +01001006 struct lys_module *mod;
1007
Radek Krejci7eb54ba2020-05-18 16:30:04 +02001008 for (uint32_t v = 0; v < ctx->list.count; ++v) {
1009 mod = ctx->list.objs[v];
Michal Vaskobdac23f2022-01-12 14:02:35 +01001010 mod->latest_revision &= ~(LYS_MOD_LATEST_SEARCHDIRS | LYS_MOD_LATEST_IMPCLB);
Radek Krejci0bcdaed2019-01-10 10:21:34 +01001011 if (mod->parsed && mod->parsed->includes) {
Michal Vaskofd69e1d2020-07-03 11:57:17 +02001012 for (LY_ARRAY_COUNT_TYPE u = 0; u < LY_ARRAY_COUNT(mod->parsed->includes); ++u) {
Michal Vaskobdac23f2022-01-12 14:02:35 +01001013 mod->parsed->includes[u].submodule->latest_revision &= ~(LYS_MOD_LATEST_SEARCHDIRS | LYS_MOD_LATEST_IMPCLB);
Radek Krejcie9e987e2018-10-31 12:50:27 +01001014 }
1015 }
1016 }
1017}
1018
Jan Kundrátc53a7ec2021-12-09 16:01:19 +01001019LIBYANG_API_DEF uint32_t
Radek Krejci0a60f1d2020-10-26 22:24:43 +01001020ly_ctx_internal_modules_count(const struct ly_ctx *ctx)
Michal Vaskode79e222020-08-10 11:55:46 +02001021{
1022 if (!ctx) {
1023 return 0;
1024 }
1025
Michal Vasko25d6ad02020-10-22 12:20:22 +02001026 if (ctx->flags & LY_CTX_NO_YANGLIBRARY) {
Michal Vaskode79e222020-08-10 11:55:46 +02001027 return LY_INTERNAL_MODS_COUNT - 2;
1028 } else {
1029 return LY_INTERNAL_MODS_COUNT;
1030 }
1031}
1032
Michal Vasko57c10cd2020-05-27 15:57:11 +02001033static LY_ERR
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001034ylib_feature(struct lyd_node *parent, const struct lysp_module *pmod)
Michal Vasko57c10cd2020-05-27 15:57:11 +02001035{
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001036 LY_ARRAY_COUNT_TYPE u;
1037 struct lysp_feature *f;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001038
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001039 if (!pmod->mod->implemented) {
Michal Vasko57c10cd2020-05-27 15:57:11 +02001040 /* no features can be enabled */
1041 return LY_SUCCESS;
1042 }
1043
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001044 LY_ARRAY_FOR(pmod->features, struct lysp_feature, f) {
1045 if (!(f->flags & LYS_FENABLED)) {
Michal Vasko57c10cd2020-05-27 15:57:11 +02001046 continue;
1047 }
1048
Radek Krejci41ac9942020-11-02 14:47:56 +01001049 LY_CHECK_RET(lyd_new_term(parent, NULL, "feature", f->name, 0, NULL));
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001050 }
1051
1052 LY_ARRAY_FOR(pmod->includes, u) {
1053 LY_ARRAY_FOR(pmod->includes[u].submodule->features, struct lysp_feature, f) {
1054 if (!(f->flags & LYS_FENABLED)) {
1055 continue;
1056 }
1057
Radek Krejci41ac9942020-11-02 14:47:56 +01001058 LY_CHECK_RET(lyd_new_term(parent, NULL, "feature", f->name, 0, NULL));
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001059 }
Michal Vasko57c10cd2020-05-27 15:57:11 +02001060 }
1061
1062 return LY_SUCCESS;
1063}
1064
1065static LY_ERR
Radek Krejci857189e2020-09-01 13:26:36 +02001066ylib_deviation(struct lyd_node *parent, const struct lys_module *cur_mod, ly_bool bis)
Michal Vasko57c10cd2020-05-27 15:57:11 +02001067{
Michal Vaskofd69e1d2020-07-03 11:57:17 +02001068 LY_ARRAY_COUNT_TYPE i;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001069 struct lys_module *mod;
1070
1071 if (!cur_mod->implemented) {
1072 /* no deviations of the module for certain */
1073 return LY_SUCCESS;
1074 }
1075
Michal Vasko7f45cf22020-10-01 12:49:44 +02001076 LY_ARRAY_FOR(cur_mod->deviated_by, i) {
1077 mod = cur_mod->deviated_by[i];
Michal Vasko57c10cd2020-05-27 15:57:11 +02001078
1079 if (bis) {
Radek Krejci41ac9942020-11-02 14:47:56 +01001080 LY_CHECK_RET(lyd_new_term(parent, NULL, "deviation", mod->name, 0, NULL));
Michal Vasko57c10cd2020-05-27 15:57:11 +02001081 } else {
Radek Krejci41ac9942020-11-02 14:47:56 +01001082 LY_CHECK_RET(lyd_new_list(parent, NULL, "deviation", 0, NULL, mod->name,
Radek Krejci0f969882020-08-21 16:56:47 +02001083 (mod->parsed->revs ? mod->parsed->revs[0].date : "")));
Michal Vasko57c10cd2020-05-27 15:57:11 +02001084 }
1085 }
1086
1087 return LY_SUCCESS;
1088}
1089
1090static LY_ERR
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001091ylib_submodules(struct lyd_node *parent, const struct lysp_module *pmod, ly_bool bis)
Michal Vasko57c10cd2020-05-27 15:57:11 +02001092{
Michal Vasko3a41dff2020-07-15 14:30:28 +02001093 LY_ERR ret;
Michal Vaskofd69e1d2020-07-03 11:57:17 +02001094 LY_ARRAY_COUNT_TYPE i;
Michal Vasko3a41dff2020-07-15 14:30:28 +02001095 struct lyd_node *cont;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001096 struct lysp_submodule *submod;
Michal Vasko3a41dff2020-07-15 14:30:28 +02001097 int r;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001098 char *str;
1099
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001100 LY_ARRAY_FOR(pmod->includes, i) {
1101 submod = pmod->includes[i].submodule;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001102
1103 if (bis) {
Radek Krejci41ac9942020-11-02 14:47:56 +01001104 LY_CHECK_RET(lyd_new_list(parent, NULL, "submodule", 0, &cont, submod->name));
Michal Vasko57c10cd2020-05-27 15:57:11 +02001105
1106 if (submod->revs) {
Radek Krejci41ac9942020-11-02 14:47:56 +01001107 LY_CHECK_RET(lyd_new_term(cont, NULL, "revision", submod->revs[0].date, 0, NULL));
Michal Vasko57c10cd2020-05-27 15:57:11 +02001108 }
1109 } else {
Radek Krejci41ac9942020-11-02 14:47:56 +01001110 LY_CHECK_RET(lyd_new_list(parent, NULL, "submodule", 0, &cont, submod->name,
Radek Krejci0f969882020-08-21 16:56:47 +02001111 (submod->revs ? submod->revs[0].date : "")));
Michal Vasko57c10cd2020-05-27 15:57:11 +02001112 }
1113
1114 if (submod->filepath) {
Michal Vasko3a41dff2020-07-15 14:30:28 +02001115 r = asprintf(&str, "file://%s", submod->filepath);
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001116 LY_CHECK_ERR_RET(r == -1, LOGMEM(pmod->mod->ctx), LY_EMEM);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001117
Radek Krejci41ac9942020-11-02 14:47:56 +01001118 ret = lyd_new_term(cont, NULL, bis ? "location" : "schema", str, 0, NULL);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001119 free(str);
Michal Vasko3a41dff2020-07-15 14:30:28 +02001120 LY_CHECK_RET(ret);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001121 }
1122 }
1123
1124 return LY_SUCCESS;
1125}
1126
Jan Kundrátc53a7ec2021-12-09 16:01:19 +01001127LIBYANG_API_DEF LY_ERR
Michal Vasko794ab4b2021-03-31 09:42:19 +02001128ly_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 +02001129{
Michal Vasko3a41dff2020-07-15 14:30:28 +02001130 LY_ERR ret;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001131 uint32_t i;
Radek Krejci857189e2020-09-01 13:26:36 +02001132 ly_bool bis = 0;
Radek Krejci1deb5be2020-08-26 16:43:36 +02001133 int r;
Radek Krejcif13b87b2020-12-01 22:02:17 +01001134 char *str;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001135 const struct lys_module *mod;
Michal Vasko3a41dff2020-07-15 14:30:28 +02001136 struct lyd_node *root = NULL, *root_bis = NULL, *cont, *set_bis = NULL;
Michal Vasko794ab4b2021-03-31 09:42:19 +02001137 va_list ap;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001138
Michal Vasko3a41dff2020-07-15 14:30:28 +02001139 LY_CHECK_ARG_RET(ctx, ctx, root_p, LY_EINVAL);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001140
1141 mod = ly_ctx_get_module_implemented(ctx, "ietf-yang-library");
Michal Vasko3a41dff2020-07-15 14:30:28 +02001142 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 +02001143
1144 if (mod->parsed->revs && !strcmp(mod->parsed->revs[0].date, "2016-06-21")) {
1145 bis = 0;
1146 } else if (mod->parsed->revs && !strcmp(mod->parsed->revs[0].date, IETF_YANG_LIB_REV)) {
1147 bis = 1;
1148 } else {
1149 LOGERR(ctx, LY_EINVAL, "Incompatible ietf-yang-library version in context.");
Michal Vasko3a41dff2020-07-15 14:30:28 +02001150 return LY_EINVAL;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001151 }
1152
Radek Krejci41ac9942020-11-02 14:47:56 +01001153 LY_CHECK_GOTO(ret = lyd_new_inner(NULL, mod, "modules-state", 0, &root), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001154
1155 if (bis) {
Radek Krejci41ac9942020-11-02 14:47:56 +01001156 LY_CHECK_GOTO(ret = lyd_new_inner(NULL, mod, "yang-library", 0, &root_bis), error);
1157 LY_CHECK_GOTO(ret = lyd_new_list(root_bis, NULL, "module-set", 0, &set_bis, "complete"), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001158 }
1159
1160 for (i = 0; i < ctx->list.count; ++i) {
1161 mod = ctx->list.objs[i];
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001162 if (!mod->parsed) {
1163 LOGERR(ctx, LY_ENOTFOUND, "Parsed module \"%s\" missing in the context.", mod->name);
1164 goto error;
1165 }
Michal Vasko57c10cd2020-05-27 15:57:11 +02001166
1167 /*
1168 * deprecated legacy
1169 */
Radek Krejci41ac9942020-11-02 14:47:56 +01001170 LY_CHECK_GOTO(ret = lyd_new_list(root, NULL, "module", 0, &cont, mod->name,
Radek Krejci0f969882020-08-21 16:56:47 +02001171 (mod->parsed->revs ? mod->parsed->revs[0].date : "")), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001172
1173 /* schema */
1174 if (mod->filepath) {
Michal Vasko3a41dff2020-07-15 14:30:28 +02001175 r = asprintf(&str, "file://%s", mod->filepath);
1176 LY_CHECK_ERR_GOTO(r == -1, LOGMEM(ctx); ret = LY_EMEM, error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001177
Radek Krejci41ac9942020-11-02 14:47:56 +01001178 ret = lyd_new_term(cont, NULL, "schema", str, 0, NULL);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001179 free(str);
Michal Vasko3a41dff2020-07-15 14:30:28 +02001180 LY_CHECK_GOTO(ret, error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001181 }
1182
1183 /* namespace */
Radek Krejci41ac9942020-11-02 14:47:56 +01001184 LY_CHECK_GOTO(ret = lyd_new_term(cont, NULL, "namespace", mod->ns, 0, NULL), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001185
1186 /* feature leaf-list */
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001187 LY_CHECK_GOTO(ret = ylib_feature(cont, mod->parsed), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001188
1189 /* deviation list */
Michal Vasko3a41dff2020-07-15 14:30:28 +02001190 LY_CHECK_GOTO(ret = ylib_deviation(cont, mod, 0), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001191
1192 /* conformance-type */
Radek Krejci41ac9942020-11-02 14:47:56 +01001193 LY_CHECK_GOTO(ret = lyd_new_term(cont, NULL, "conformance-type", mod->implemented ? "implement" : "import", 0,
Michal Vasko69730152020-10-09 16:30:07 +02001194 NULL), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001195
1196 /* submodule list */
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001197 LY_CHECK_GOTO(ret = ylib_submodules(cont, mod->parsed, 0), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001198
1199 /*
1200 * current revision
1201 */
1202 if (bis) {
1203 /* name and revision */
1204 if (mod->implemented) {
Radek Krejci41ac9942020-11-02 14:47:56 +01001205 LY_CHECK_GOTO(ret = lyd_new_list(set_bis, NULL, "module", 0, &cont, mod->name), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001206
1207 if (mod->parsed->revs) {
Radek Krejci41ac9942020-11-02 14:47:56 +01001208 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 +02001209 }
1210 } else {
Radek Krejci41ac9942020-11-02 14:47:56 +01001211 LY_CHECK_GOTO(ret = lyd_new_list(set_bis, NULL, "import-only-module", 0, &cont, mod->name,
Radek Krejci0f969882020-08-21 16:56:47 +02001212 (mod->parsed->revs ? mod->parsed->revs[0].date : "")), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001213 }
1214
1215 /* namespace */
Radek Krejci41ac9942020-11-02 14:47:56 +01001216 LY_CHECK_GOTO(ret = lyd_new_term(cont, NULL, "namespace", mod->ns, 0, NULL), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001217
1218 /* location */
1219 if (mod->filepath) {
Michal Vasko3a41dff2020-07-15 14:30:28 +02001220 r = asprintf(&str, "file://%s", mod->filepath);
1221 LY_CHECK_ERR_GOTO(r == -1, LOGMEM(ctx); ret = LY_EMEM, error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001222
Radek Krejcid68ba1b2020-11-09 17:40:11 +01001223 ret = lyd_new_term(cont, NULL, "location", str, 0, NULL);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001224 free(str);
Michal Vasko3a41dff2020-07-15 14:30:28 +02001225 LY_CHECK_GOTO(ret, error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001226 }
1227
1228 /* submodule list */
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001229 LY_CHECK_GOTO(ret = ylib_submodules(cont, mod->parsed, 1), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001230
1231 /* feature list */
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001232 LY_CHECK_GOTO(ret = ylib_feature(cont, mod->parsed), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001233
1234 /* deviation */
Michal Vasko3a41dff2020-07-15 14:30:28 +02001235 LY_CHECK_GOTO(ret = ylib_deviation(cont, mod, 1), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001236 }
1237 }
1238
1239 /* IDs */
Michal Vasko794ab4b2021-03-31 09:42:19 +02001240 va_start(ap, content_id_format);
1241 r = vasprintf(&str, content_id_format, ap);
1242 va_end(ap);
Radek Krejcif13b87b2020-12-01 22:02:17 +01001243 LY_CHECK_ERR_GOTO(r == -1, LOGMEM(ctx); ret = LY_EMEM, error);
1244 ret = lyd_new_term(root, NULL, "module-set-id", str, 0, NULL);
1245 LY_CHECK_ERR_GOTO(ret, free(str), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001246
1247 if (bis) {
1248 /* create one complete schema */
Radek Krejcif13b87b2020-12-01 22:02:17 +01001249 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 +02001250
Radek Krejcif13b87b2020-12-01 22:02:17 +01001251 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 +02001252
1253 /* content-id */
Radek Krejcif13b87b2020-12-01 22:02:17 +01001254 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 +02001255 }
Radek Krejcif13b87b2020-12-01 22:02:17 +01001256 free(str);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001257
1258 if (root_bis) {
Michal Vaskob104f112020-07-17 09:54:54 +02001259 if (lyd_insert_sibling(root, root_bis, &root)) {
Michal Vasko57c10cd2020-05-27 15:57:11 +02001260 goto error;
1261 }
Michal Vaskob104f112020-07-17 09:54:54 +02001262 root_bis = NULL;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001263 }
1264
Michal Vasko3a41dff2020-07-15 14:30:28 +02001265 LY_CHECK_GOTO(ret = lyd_validate_all(&root, NULL, LYD_VALIDATE_PRESENT, NULL), error);
Michal Vasko57c10cd2020-05-27 15:57:11 +02001266
Michal Vasko3a41dff2020-07-15 14:30:28 +02001267 *root_p = root;
1268 return LY_SUCCESS;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001269
1270error:
1271 lyd_free_all(root);
1272 lyd_free_all(root_bis);
Michal Vasko3a41dff2020-07-15 14:30:28 +02001273 return ret;
Michal Vasko57c10cd2020-05-27 15:57:11 +02001274}
1275
Michal Vasko88ccd582023-03-30 11:50:57 +02001276/**
1277 * @brief Callback for freeing context error hash table values.
1278 *
1279 * @param[in] val_p Pointer to a pointer to an error item to free with all the siblings.
1280 */
1281static void
1282ly_ctx_ht_err_rec_free(void *val_p)
1283{
1284 struct ly_ctx_err_rec *err = val_p;
1285
1286 ly_err_free(err->err);
1287}
1288
Jan Kundrátc53a7ec2021-12-09 16:01:19 +01001289LIBYANG_API_DEF void
Radek Krejci90ed21e2021-04-12 14:47:46 +02001290ly_ctx_destroy(struct ly_ctx *ctx)
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001291{
Michal Vaskoc636ea42022-09-16 10:20:31 +02001292 struct lysf_ctx fctx = {.ctx = ctx};
Michal Vasko65333882021-06-10 14:12:16 +02001293
Radek Krejci418823a2018-09-20 16:42:13 +02001294 if (!ctx) {
1295 return;
1296 }
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001297
1298 /* models list */
Michal Vaskod989ba02020-08-24 10:59:24 +02001299 for ( ; ctx->list.count; ctx->list.count--) {
Michal Vaskoc636ea42022-09-16 10:20:31 +02001300 fctx.mod = ctx->list.objs[ctx->list.count - 1];
Michal Vasko65333882021-06-10 14:12:16 +02001301
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001302 /* remove the module */
Michal Vaskoc636ea42022-09-16 10:20:31 +02001303 if (fctx.mod->implemented) {
1304 fctx.mod->implemented = 0;
1305 lysc_module_free(&fctx, fctx.mod->compiled);
1306 fctx.mod->compiled = NULL;
Michal Vasko65333882021-06-10 14:12:16 +02001307 }
Michal Vaskoc636ea42022-09-16 10:20:31 +02001308 lys_module_free(&fctx, fctx.mod, 0);
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001309 }
1310 free(ctx->list.objs);
1311
Michal Vaskoc636ea42022-09-16 10:20:31 +02001312 /* free extensions */
1313 lysf_ctx_erase(&fctx);
1314
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001315 /* search paths list */
Radek Krejcia40f21b2018-09-18 10:42:08 +02001316 ly_set_erase(&ctx->search_paths, free);
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001317
Michal Vasko22b26222021-07-30 11:16:47 +02001318 /* leftover unres */
1319 lys_unres_glob_erase(&ctx->unres);
1320
Michal Vasko88ccd582023-03-30 11:50:57 +02001321 /* clean the error hash table */
1322 lyht_free(ctx->err_ht, ly_ctx_ht_err_rec_free);
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001323
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001324 /* dictionary */
1325 lydict_clean(&ctx->dict);
1326
Michal Vasko11f76c82021-04-15 14:36:14 +02001327 /* LYB hash lock */
1328 pthread_mutex_destroy(&ctx->lyb_hash_lock);
1329
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001330 /* plugins - will be removed only if this is the last context */
Radek Krejci3e6632f2021-03-22 22:08:21 +01001331 lyplg_clean();
Radek Krejci0af5f5d2018-09-07 15:00:30 +02001332
1333 free(ctx);
1334}