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User who did this - Federico Cabiddu (lester)
Attached to Project - sip-router Summary - bugs in uac_redirect module Task Type - Bug Report Category - Module Status - Unconfirmed Assigned To - Operating System - Linux Severity - Low Priority - Normal Reported Version - 4.0 Due in Version - Undecided Due Date - Undecided Details - Hi, working with kamailio 4.0.2 and uac_redirect module I found several problems. I have a script with two failure routes each calling get_redirects("MAX", "REASON"): when the 2nd of those routes is executed kamailio crashes in acc module (in acc_log_request function). Digging the problem I found that the function get_redirect_fixup, for the second call, exits before setting the acc_param. This causes the acc module to crash: the function which crashes is acc_log_request (acc.c: 244, maybe it would be worth adding a null pointer check before calling memcpy). The 2nd problem is related to the uac_redirect "acc_db_table" parameter: there is no fixup of the parameter so, when uac_redirect calls acc_db_request, the table ens up with a totally wrong name. The 3rd problem is in acc module, in acc_db_set_table_name function: even if env_set_text set the s and the len component all the following operations on the table name are done using the s part. This brings a problem when acc_db_request is called with table names which have different length. The solution I found for this problem is (quite rough, I admit) to put a '\0' at the end of the table name. And last, the accounting records generated by get_redirects don't contain the error code: in this case I just added to get_redirect the code to put the reply code into the acc_param struct.
I attach two patches against release 4.0.2.
Best regards,
Federico Cabiddu
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More information can be found at the following URL: http://sip-router.org/tracker/index.php?do=details&task_id=327
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