139 lines
4.8 KiB
C
139 lines
4.8 KiB
C
/*
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*
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***** BEGIN LICENSE BLOCK *****
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Copyright (C) 2009-2019 Olof Hagsand
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Copyright (C) 2020-2022 Olof Hagsand and Rubicon Communications, LLC(Netgate)
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This file is part of CLIXON.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 3 or later (the "GPL"),
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in which case the provisions of the GPL are applicable instead
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of those above. If you wish to allow use of your version of this file only
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under the terms of the GPL, and not to allow others to
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use your version of this file under the terms of Apache License version 2,
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indicate your decision by deleting the provisions above and replace them with
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the notice and other provisions required by the GPL. If you do not delete
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the provisions above, a recipient may use your version of this file under
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the terms of any one of the Apache License version 2 or the GPL.
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***** END LICENSE BLOCK *****
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* Sub-parsers to upper-level YANG parser: everything that is "stringified"
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*/
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#ifdef HAVE_CONFIG_H
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#include "clixon_config.h" /* generated by config & autoconf */
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <syslog.h>
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/* cligen */
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#include <cligen/cligen.h>
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/* clicon */
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#include "clixon_log.h"
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#include "clixon_err.h"
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#include "clixon_queue.h"
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#include "clixon_hash.h"
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#include "clixon_handle.h"
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#include "clixon_yang.h"
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#include "clixon_yang_sub_parse.h"
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#include "clixon_yang_schemanode_parse.h"
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/*! Invoke yang sub-parser on string
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*
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* @param[in] str yang string
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* @param[in] ys Yang statement
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* @param[in] accept Sub-parse rule to accept
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* @param[in] mainfile Name of main parse file
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* @param[in] linenum Line number context in mainfile (assume parse module of ys)
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* @param[out] enabled 0: Disabled, 1: Enabled (if present)
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* @retval 0 OK
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* @retval -1 Error
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*/
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int
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yang_subparse(char *str,
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yang_stmt *ys,
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enum yang_sub_parse_accept accept,
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const char *mainfile,
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int linenum,
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int *enabled)
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{
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int retval = -1;
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clixon_yang_sub_parse_yacc ife = {0,};
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clicon_debug(2, "%s %s", __FUNCTION__, str);
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ife.if_parse_string = str;
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ife.if_linenum = linenum;
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if (enabled)
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ife.if_ys = ys; /* Used as trigger to check if enabled */
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ife.if_accept = accept;
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ife.if_mainfile = mainfile;
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if (clixon_yang_sub_parsel_init(&ife) < 0)
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goto done;
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if (clixon_yang_sub_parseparse(&ife) != 0) { /* yacc returns 1 on error */
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if (clicon_errno == 0)
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clicon_err(OE_YANG, 0, "If-feature parser error with no error code (should not happen)");
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goto done;
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}
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if (enabled)
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*enabled = ife.if_enabled;
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retval = 0;
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done:
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clixon_yang_sub_parsel_exit(&ife);
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return retval;
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}
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/*! Invoke yang (absolute_/descendant-)schema-nodeid sub-parser on string
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*
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* Used for refine-arg-str / usage-augment-arg-str in RFC 7950 Sec 14
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* @param[in] str (abs/desc)_schema_nodeid string
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* @param[in] accept Sub-parse rule to accept
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* @param[in] mainfile Name of main parse file
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* @param[in] linenum Line number context in mainfile
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* @retval 0 OK
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* @retval -1 Error
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*/
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int
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yang_schema_nodeid_subparse(char *str,
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enum yang_sub_parse_accept accept,
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const char *mainfile,
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int linenum)
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{
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int retval = -1;
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clixon_yang_schemanode_yacc ife = {0,};
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clicon_debug(3, "%s %s", __FUNCTION__, str);
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ife.if_parse_string = str;
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ife.if_linenum = linenum;
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ife.if_mainfile = mainfile;
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ife.if_accept = accept; /* accept absolute-schema-nodeid */
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if (clixon_yang_schemanode_parsel_init(&ife) < 0)
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goto done;
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if (clixon_yang_schemanode_parseparse(&ife) != 0) { /* yacc returns 1 on error */
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if (clicon_errno == 0)
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clicon_err(OE_YANG, 0, "descendant-schema-nodeid parser error with no error code (should not happen)");
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goto done;
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}
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retval = 0;
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done:
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clixon_yang_schemanode_parsel_exit(&ife);
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return retval;
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}
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