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res_pjsip_session: Added new function calls to avoid ABI issues.

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Added two new functions (ast_sip_session_get_dialog and
ast_sip_session_get_pjsip_inv_state) that retrieve the dialog and the
pjsip_inv_state respectively from the pjsip_inv_session on the
ast_sip_session struct. This is due to pjproject adding a new field to
the pjsip_inv_session struct that caused crashes when trying to access
fields that were no longer where they were expected to be if a module
was compiled against a different version of pjproject.

Resolves: #145
(cherry picked from commit 23c4d21d1b)
This commit is contained in:
Ben Ford
2023-06-05 14:13:16 -05:00
committed by Asterisk Development Team
parent 90fbc26bce
commit 7fdff94861
2 changed files with 42 additions and 0 deletions
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20
include/asterisk/res_pjsip_session.h
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@@ -798,6 +798,26 @@ void ast_sip_session_send_request_with_cb(struct ast_sip_session *session, pjsip
*/
struct ast_sip_session *ast_sip_dialog_get_session(pjsip_dialog *dlg);
/*!
* \brief Retrieves a dialog from a session
*
* \param session The session to retrieve the dialog from
*
* \retval non-NULL if dialog exists
* \retval NULL if no dialog
*/
pjsip_dialog *ast_sip_session_get_dialog(const struct ast_sip_session *session);
/*!
* \brief Retrieves the pjsip_inv_state from a session
*
* \param session The session to retrieve the state from
*
* \retval state if inv_session exists
* \retval PJSIP_INV_STATE_NULL if inv_session is NULL
*/
pjsip_inv_state ast_sip_session_get_pjsip_inv_state(const struct ast_sip_session *session);
/*!
* \brief Resumes processing of a deferred incoming re-invite
*