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140 lines
4.3 KiB
140 lines
4.3 KiB
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2010, Digium, Inc.
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*!
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* \file
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* \brief sip request response parser header file
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*/
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#ifndef _SIP_REQRESP_H
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#define _SIP_REQRESP_H
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/*!
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* \brief parses a URI in its components.
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*
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* \note
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* - Multiple scheme's can be specified ',' delimited. ex: "sip:,sips:"
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* - If a component is not requested, do not split around it. This means
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* that if we don't have domain, we cannot split name:pass and domain:port.
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* - It is safe to call with ret_name, pass, domain, port pointing all to
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* the same place.
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* - If no secret parameter is provided, ret_name will return with both parts, user:secret
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* - If no port parameter is provided, domain will return with both parts, domain:port
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* - This function overwrites the the uri string.
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*
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* \retval 0 on success
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* \retval -1 on error.
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*
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* \verbatim
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* general form we are expecting is sip:user:password;user-parameters@host:port;uri-parameters?headers
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* \endverbatim
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*/
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int parse_uri(char *uri, const char *scheme, char **ret_name, char **pass, char **domain, char **port, char **transport);
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/*!
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* \brief parses a URI in to all of its components and any trailing residue
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*
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* \retval 0 on success
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* \retval -1 on error.
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*
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*/
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int parse_uri_full(char *uri, const char *scheme, char **user, char **pass, char **host, char **port, struct uriparams *params, char **headers, char **residue);
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/*!
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* \brief Get caller id name from SIP headers, copy into output buffer
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*
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* \retval input string pointer placed after display-name field if possible
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*/
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const char *get_calleridname(const char *input, char *output, size_t outputsize);
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/*!
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* \brief Get name and number from sip header
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*
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* \note name and number point to malloced memory on return and must be
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* freed. If name or number is not found, they will be returned as NULL.
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*
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* \retval 0 success
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* \retval -1 failure
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*/
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int get_name_and_number(const char *hdr, char **name, char **number);
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/*! \brief Pick out text in brackets from character string
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* \return pointer to terminated stripped string
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* \param tmp input string that will be modified
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*
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* Examples:
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* \verbatim
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* "foo" <bar> valid input, returns bar
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* foo returns the whole string
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* < "foo ... > returns the string between brackets
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* < "foo... bogus (missing closing bracket), returns the whole string
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* \endverbatim
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*/
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char *get_in_brackets(char *tmp);
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/*! \brief Get text in brackets and any trailing residue
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*
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* \retval 0 success
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* \retval -1 failure
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* \retval 1 no brackets so got all
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*/
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int get_in_brackets_full(char *tmp, char **out, char **residue);
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/*! \brief Parse the ABNF structure
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* name-andor-addr = name-addr / addr-spec
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* into its components and return any trailing message-header parameters
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*
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* \retval 0 success
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* \retval -1 failure
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*/
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int parse_name_andor_addr(char *uri, const char *scheme, char **name, char **user, char **pass, char **host, char **port, struct uriparams *params, char **headers, char **remander);
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/*! \brief Parse all contact header contacts
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* \retval 0 success
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* \retval -1 failure
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* \retval 1 all contacts (star)
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*/
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int get_comma(char *parse, char **out);
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int parse_contact_header(char *contactheader, struct contactliststruct *contactlist);
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/*!
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* \brief register request parsing tests
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*/
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void sip_request_parser_register_tests(void);
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/*!
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* \brief unregister request parsing tests
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*/
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void sip_request_parser_unregister_tests(void);
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/*!
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* \brief Parse supported header in incoming packet
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*
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* \details This function parses through the options parameters and
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* builds a bit field representing all the SIP options in that field. When an
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* item is found that is not supported, it is copied to the unsupported
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* out buffer.
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*
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* \param option list
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* \param unsupported out buffer (optional)
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* \param unsupported out buffer length (optional)
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*/
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unsigned int parse_sip_options(const char *options, char *unsupported, size_t unsupported_len);
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#endif
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