sr-users March 2003

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77 participants
136 discussions

[Serusers] New known problems with radius_auth module
by Bjoern Zuelch 03 Mar '03

03 Mar '03

Hi all, i have found some probs with the radius_auth module in ser. the ane in the function authorize() in file authorize.c : when calling the function check_nonce this function returns always that the two nonce's (given and new generated one are not the same. But if we compare the two nonce's manually both are the same. I replaced the memcmp function with the strcmp funtion,but nothings changes. So there is may a missing \0 at the end of the strings. Next problem is in the function check_response: On Solaris we have no freeradiusd ,so I replaced it through radius_authorize(...). If the function radius_authorize is called, the radiusmessage will be created through calling the function rc_avpair_add(...). All is fine if it will be standard radius-attributes. when the first sip-specific attribute is comming the rc_avpair_add funtions returns -1. I followed this problem and find out that in the radiusclient-lib. in function rc_avpair_assign(avpair.c)/rc_avpair_new(avpair.c) only attributes of the types PW_TYPE_STRING, PW_TYPE_DATE, PW_TYPE_INTEGER, PW_TYPE_IPADDR are reccognised. If a PW_SIP_USER_ID attribute or other specific Sip attributes will be added to the radiusmessage, this function returns with error message "UNKNOWN ATTIBUTE TYPE" and no radius-authentification is done.... .... RADIUS: rc_avpair_new MALLOC erfolgreich RADIUS: rc_avpair_assign type=0 RADIUS rc_avpair_assign result=0 RADIUS: rc_avpair_new unknown attribute 110 RADIUS: VALUEPAIR insert fehgeschlagen.!!! check_cred(): returnvalue of radius_authorize()=-1 .... One possibility is that, I add the PW_SIP_* attributes to the radiusclient and look, if it run. The next Problem may be, that the radius server does not understand the sip specific attributes, if we not use freeradius. Gruß Bjoern

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[Serusers] Problems with radius_auth(2)
by Bjoern Zuelch 03 Mar '03

03 Mar '03

Hi all, ich added following lines in avpair.c function rc_avpair_assign before "case PW_TYPE_STRING:": case PW_SIP_USER_ID: case PW_SIP_USER_REALM: case PW_SIP_USER_NONCE: case PW_SIP_USER_METHOD: case PW_SIP_USER_DIGEST_URI: case PW_SIP_USER_NONCE_COUNT: case PW_SIP_USER_QOP: case PW_SIP_USER_OPAQUE: case PW_SIP_USER_RESPONSE: case PW_SIP_USER_CNONCE: case PW_TYPE_STRING: this should help to build the radius-message. Bjoern

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[Serusers] threading weirdness?
by lgfausak＠august.net 02 Mar '03

02 Mar '03

Hi, I've been working on a problem which I thought was a postgres driver problem, but now I'm not so sure. I put a bunch of debug statements in the driver functions. I've grepped the debugs for db_init|db_close|connect_db|disconnect_db and here is what I have: -----------cut------------ Mar 1 23:59:49 rave ser[1803]: db_init(): sql://USER:PASSWORD@humpty.august.net:5432/THEDBNAME Mar 1 23:59:49 rave ser[1803]: connect_db(): here we go Mar 1 23:59:49 rave ser[1803]: connect_db(): we are connected /tmp/debug.1803.out Mar 1 23:59:49 rave ser[1804]: db_close(): disconnect_db() Mar 1 23:59:49 rave ser[1804]: disconnect_db(): entry Mar 1 23:59:49 rave ser[1804]: disconnect_db(): PQfinish() Mar 1 23:59:49 rave ser[1804]: db_close(): free self Mar 1 23:59:49 rave ser[1804]: db_init(): sql://USER:PASSWORD@humpty.august.net:5432/THEDBNAME Mar 1 23:59:49 rave ser[1804]: connect_db(): here we go Mar 1 23:59:49 rave ser[1805]: db_close(): disconnect_db() Mar 1 23:59:49 rave ser[1805]: disconnect_db(): entry Mar 1 23:59:49 rave ser[1805]: disconnect_db(): PQfinish() Mar 1 23:59:49 rave ser[1805]: db_close(): free self Mar 1 23:59:49 rave ser[1805]: db_init(): sql://USER:PASSWORD@humpty.august.net:5432/THEDBNAME Mar 1 23:59:49 rave ser[1805]: connect_db(): here we go Mar 1 23:59:49 rave ser[1806]: db_close(): disconnect_db() Mar 1 23:59:49 rave ser[1806]: disconnect_db(): entry Mar 1 23:59:49 rave ser[1806]: disconnect_db(): PQfinish() Mar 1 23:59:49 rave ser[1806]: db_close(): free self Mar 1 23:59:49 rave ser[1804]: connect_db(): we are connected /tmp/debug.1804.out Mar 1 23:59:49 rave ser[1806]: db_init(): sql://USER:PASSWORD@humpty.august.net:5432/THEDBNAME Mar 1 23:59:49 rave ser[1804]: db_init(): sql://USER:PASSWORD@humpty.august.net:5432/THEDBNAME Mar 1 23:59:49 rave ser[1806]: connect_db(): here we go Mar 1 23:59:49 rave ser[1804]: connect_db(): here we go Mar 1 23:59:49 rave ser[1805]: connect_db(): we are connected /tmp/debug.1805.out Mar 1 23:59:49 rave ser[1805]: db_init(): sql://USER:PASSWORD@humpty.august.net:5432/THEDBNAME Mar 1 23:59:49 rave ser[1805]: connect_db(): here we go Mar 1 23:59:49 rave ser[1804]: connect_db(): we are connected /tmp/debug.1804.out Mar 1 23:59:50 rave ser[1805]: connect_db(): we are connected /tmp/debug.1805.out Mar 1 23:59:50 rave ser[1806]: connect_db(): we are connected /tmp/debug.1806.out Mar 1 23:59:50 rave ser[1806]: db_init(): sql://USER:PASSWORD@humpty.august.net:5432/THEDBNAME Mar 1 23:59:50 rave ser[1806]: connect_db(): here we go Mar 1 23:59:50 rave ser[1806]: connect_db(): we are connected /tmp/debug.1806.out Mar 2 00:00:50 rave ser[1807]: begin_transaction(): BEGIN error server closed the connection unexpectedly ^IThis probably means the server terminated abnormally ^Ibefore or while processing the request. -----------------cut-------------- The current processes that are running are: [root@rave sip_router]# ps -ax | grep ser 30060 ? S 0:00 /bin/sh bin/safe_mysqld --user=mysql 1803 ? S 0:00 ser -f /usr/local/etc/ser/serpost.cfg 1804 ? S 0:00 ser -f /usr/local/etc/ser/serpost.cfg 1805 ? S 0:00 ser -f /usr/local/etc/ser/serpost.cfg 1806 ? S 0:00 ser -f /usr/local/etc/ser/serpost.cfg 1807 ? S 0:00 ser -f /usr/local/etc/ser/serpost.cfg 1808 ? S 0:00 ser -f /usr/local/etc/ser/serpost.cfg -----------------cut------------------ Here is the top of my ser.cfg file: ---------------- debug=2 # debug level (cmd line: -dddddddddd) fork=yes log_stderror=no # (cmd line: -E) check_via=no # (cmd. line: -v) dns=no # (cmd. line: -r) rev_dns=no # (cmd. line: -R) listen=216.87.144.203 port=5060 children=2 fifo="/tmp/ser_fifo" alias="augustvoice.net" loadmodule "/usr/local/lib/ser/modules/sl.so" loadmodule "/usr/local/lib/ser/modules/tm.so" loadmodule "/usr/local/lib/ser/modules/acc.so" loadmodule "/usr/local/lib/ser/modules/rr.so" loadmodule "/usr/local/lib/ser/modules/maxfwd.so" loadmodule "/usr/local/lib/ser/modules/postgres.so" loadmodule "/usr/local/lib/ser/modules/usrloc.so" loadmodule "/usr/local/lib/ser/modules/registrar.so" loadmodule "/usr/local/lib/ser/modules/exec.so" loadmodule "/usr/local/lib/ser/modules/auth.so" loadmodule "/usr/local/lib/ser/modules/textops.so" modparam("usrloc","db_mode",2) modparam("usrloc","db_url", "sql://USER:PASSWORD@humpty.august.net:5432/THEDBNAME") modparam("tm","retr_timer1p1", 2) # increase retry timeout modparam("tm","retr_timer1p2", 3) # increase retry timeout modparam("tm","retr_timer1p3", 6) # increase retry timeout modparam("acc", "log_level", 1) modparam("acc", "acc_flag", 1 ) modparam("acc", "report_ack", 0 ) modparam("auth","db_url", "sql://USER:PASSWORD@humpty.august.net:5432/THEDBNAME") # # this is the main routing block for augustvoice.net # this block can handle any routing request, local or foreign # route { # ... --------------------------- A couple of questions: 1) I state 'children=2', but I see 6 'processes'. I think linux does threads with processes, so am I seeing 2 'processes' with 3 threads per process??? 2) the debug output has the process ID and the action being performed. Either it is way out of order, or the postgres db driver is being asked to do things out of order. 3) Why is there all of the db_init(), db_close() stuff?? All of this stuff happens in the first second on startup. Surely that many opens and closes aren't really needed are they? 4) select statements seem to happen in one thread, and insert/delete statements seem to happen in another thread. What is that about? ---greg Greg Fausak

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[Serusers] Some Module Questions
by Stephan Reiff-Marganiec 01 Mar '03

01 Mar '03

Hi, Context: I am currently writing a module that allows me to connect to a policy server -- not unlike CPL. It essentially routes the message out to the server and then receives a response. I get the message out ok, and will receive a complete sip message back. The module main function is called in the ser.cfg. Here are my questions: 1) how do I get a message that I have received -- say in char *msg_buf -- to be the message that is used for further routing? The policy server might have changed any header fields or even created a (or several) completely new message(s). 2) can the module send back intermediate messages, such as 1xx info, while it is still continuing its work? This is to provide the user with feedback should things take while ... 3) I also want the module to react to SIP response messages (4xx and so). I assumed providing a response_function would do this, but apparently not (I had a simple one which was just LOGging some text to the system log, but it never did create any entries). So how can I do this? thanks, Stephan -- Dr Stephan Reiff-Marganiec Research Fellow Department of Computing Science; University of Stirling email: srm(a)cs.stir.ac.uk tel: 01786 46 7448 -- The University of Stirling is a university established in Scotland by charter at Stirling, FK9 4LA. Privileged/Confidential Information may be contained in this message. If you are not the addressee indicated in this message (or responsible for delivery of the message to such person), you may not disclose, copy or deliver this message to anyone and any action taken or omitted to be taken in reliance on it, is prohibited and may be unlawful. In such case, you should destroy this message and kindly notify the sender by reply email. Please advise immediately if you or your employer do not consent to Internet email for messages of this kind. Opinions, conclusions and other information in this message that do not relate to the official business of the University of Stirling shall be understood as neither given nor endorsed by it.

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[Serusers] Pkg_malloc
by Greg Fausak 01 Mar '03

01 Mar '03

Is pkg_malloc some sort of memory management thing? I mean, do I have to clean up, or does something come in and clean up behind me? Is there a parent/child memory mallocator available? It would make freeing easier. A single free of the parent rather than keeping track myself. I just don't want to be the source of a memory leak. ---greg

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[Serusers] no mysql authentication on solaris8
by Kamil Ince 01 Mar '03

01 Mar '03

thx for the help so far, but the adventure continues: compiled latest ser from CVS on sol8 from scratch.. and still using the same ser.cfg but can't start ser anymore, that's what the log shows: 0(15264) loading module /usr/local/lib/ser/modules/mysql.so 0(15264) loading module /usr/local/lib/ser/modules/sl.so 0(15264) loading module /usr/local/lib/ser/modules/tm.so 0(15264) loading module /usr/local/lib/ser/modules/rr.so 0(15264) loading module /usr/local/lib/ser/modules/maxfwd.so 0(15264) loading module /usr/local/lib/ser/modules/usrloc.so 0(15264) loading module /usr/local/lib/ser/modules/registrar.so 0(15264) loading module /usr/local/lib/ser/modules/auth.so 0(15264) find_param_export: found <db_mode> in module usrloc [/usr/local/lib/ser/modules/usrloc.so] 0(15264) find_param_export: found <calculate_ha1> in module auth [/usr/local/lib/ser/modules/auth.so] 0(15264) find_param_export: found <password_column> in module auth [/usr/local/lib/ser/modules/auth.so] 0(15264) find_export: found <mf_process_maxfwd_header> in module maxfwd_module [/usr/local/lib/ser/modules/maxfwd.so] 0(15264) find_export: found <sl_send_reply> in module sl_module [/usr/local/lib/ser/modules/sl.so] 0(15264) find_export: found <sl_send_reply> in module sl_module [/usr/local/lib/ser/modules/sl.so] 0(15264) find_export: <rewriteFromRoute> not found 0(15264) parse error (79,19-20): unknown command, missing loadmodule? 0(15264) find_export: found <www_authorize> in module auth [/usr/local/lib/ser/modules/auth.so] 0(15264) find_export: found <www_challenge> in module auth [/usr/local/lib/ser/modules/auth.so] 0(15264) find_export: found <save> in module registrar [/usr/local/lib/ser/modules/registrar.so] 0(15264) find_export: found <lookup> in module registrar [/usr/local/lib/ser/modules/registrar.so] 0(15264) find_export: found <sl_send_reply> in module sl_module [/usr/local/lib/ser/modules/sl.so] 0(15264) find_export: found <t_relay> in module tm [/usr/local/lib/ser/modules/tm.so] 0(15264) find_export: found <sl_reply_error> in module sl_module [/usr/local/lib/ser/modules/sl.so] ERROR: bad config file (1 errors) 0(15264) INFO: signal 15 received 0(15264) Memory status (pkg): 0(15264) qm_status (72d38): 0(15264) heap size= 1022872 0(15264) used= 0, used+overhead=25704, free=997168 0(15264) max used (+overhead)= 25704 0(15264) dumping all allocked. fragments: 0(15264) dumping free list stats : 0(15264) hash= 521. fragments no.: 1 0(15264) ----------------------------- anyone a pointer to what i have missed? tia again -k

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sr-users March 2003