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git:master: registrar: Fix handling of cases where contacts > max_contacts
by Jan Janak 26 Oct '09

26 Oct '09

Module: sip-router Branch: master Commit: b41f1a592a44ba9408070a9e1945b9e0503f59c7 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=b41f1a5… Author: Jan Janak <jan(a)ryngle.com> Committer: Jan Janak <jan(a)ryngle.com> Date: Mon Oct 26 16:25:02 2009 +0100 registrar: Fix handling of cases where contacts > max_contacts Registrar should not report an error to syslog if a user exceeds the maximum number of allowed contacts per user. The registrar module sends a reply back with a description of what happened so there is no reason to write this to syslog, max_contacts > 0 is a configuration choice rather than an error. This patch also changes all affected functions in registrar module to indicate that the maximum number of allowed contacts was exceeded by returning a positive number, instead of a negative number to indicate that an error occurred. --- modules_s/registrar/save.c | 38 +++++++++++++++++++++----------------- 1 files changed, 21 insertions(+), 17 deletions(-) diff --git a/modules_s/registrar/save.c b/modules_s/registrar/save.c index 27d134c..fee4548 100644 --- a/modules_s/registrar/save.c +++ b/modules_s/registrar/save.c @@ -257,10 +257,11 @@ static int create_rcv_uri(str** uri, struct sip_msg* m) /* - * Message contained some contacts, but record with same address - * of record was not found so we have to create a new record - * and insert all contacts from the message that have expires - * > 0 + * Message contained some contacts, but record with same address of record was + * not found so we have to create a new record and insert all contacts from + * the message that have expires > 0. The function returns a negative number + * on error, a positive number if the number of contacts would exceed + * max_contacts and 0 on success. */ static inline int insert(struct sip_msg* _m, str* aor, contact_t* _c, udomain_t* _d, str* _u, str *ua, str* aor_filter, int sid) { @@ -289,7 +290,7 @@ static inline int insert(struct sip_msg* _m, str* aor, contact_t* _c, udomain_t* if (max_contacts && (num >= max_contacts)) { rerrno = R_TOO_MANY; ul.delete_urecord(_d, _u); - return -1; + return 1; } num++; @@ -394,7 +395,7 @@ static int test_max_contacts(struct sip_msg* _m, urecord_t* _r, contact_t* _c) _c = get_next_contact(_c); } - DBG("test_max_contacts: %d contacts after commit\n", num); + DBG("test_max_contacts: %d contacts after commit, max_contacts=%d\n", num, max_contacts); if (num > max_contacts) { rerrno = R_TOO_MANY; return 1; @@ -414,6 +415,11 @@ static int test_max_contacts(struct sip_msg* _m, urecord_t* _r, contact_t* _c) * > 0, update the contact * 3) If contact in usrloc exists and expires * == 0, delete contact + * + * The function returns a negative number on error, a positive number if + * max_contacts is set and the number of contacts after the change would + * exceed that maximum number of allowed contacts. On success the function + * returns 0. */ static inline int update(struct sip_msg* _m, urecord_t* _r, str* aor, contact_t* _c, str* _ua, str* aor_filter, int sid) { @@ -434,8 +440,12 @@ static inline int update(struct sip_msg* _m, urecord_t* _r, str* aor, contact_t* if (max_contacts) { ret = test_max_contacts(_m, _r, _c); if (ret != 0) { + /* test_max_contacts returns a negative number on error and a + * positive number if the number of contacts after the update + * exceeds the configured max_contacts. In both cases we return + * here. */ build_contact(_r->contacts, aor_filter); - return -1; + return ret; } } @@ -607,24 +617,18 @@ static inline int contacts(struct sip_msg* _m, contact_t* _c, udomain_t* _d, str } if (res == 0) { /* Contacts found */ - if (update(_m, r, aor, _c, _ua, aor_filter, sid) < 0) { + if ((res = update(_m, r, aor, _c, _ua, aor_filter, sid) < 0)) { LOG(L_ERR, "contacts(): Error while updating record\n"); - build_contact(r->contacts, aor_filter); - ul.release_urecord(r); - ul.unlock_udomain(_d); - return -3; } build_contact(r->contacts, aor_filter); ul.release_urecord(r); } else { - if (insert(_m, aor, _c, _d, _u, _ua, aor_filter, sid) < 0) { + if ((res = insert(_m, aor, _c, _d, _u, _ua, aor_filter, sid) < 0)) { LOG(L_ERR, "contacts(): Error while inserting record\n"); - ul.unlock_udomain(_d); - return -4; } } ul.unlock_udomain(_d); - return 0; + return res; } #define UA_DUMMY_STR "Unknown" @@ -684,7 +688,7 @@ static inline int save_real(struct sip_msg* _m, udomain_t* _t, char* aor_filt, i if (no_contacts(_t, &uid, &aor_filter) < 0) goto error; } } else { - if (contacts(_m, c, _t, &uid, &ua, &aor_filter) < 0) goto error; + if (contacts(_m, c, _t, &uid, &ua, &aor_filter) != 0) goto error; } if (doreply) {

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git:master: When string was in the form of 0= on\n\0 this function caused a segmentation fault(canaries where overwritten ).
by Marius Zbihlei 26 Oct '09

26 Oct '09

Module: sip-router Branch: master Commit: e6f4dafdc43d90e9679ad4695e9729379245984d URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=e6f4daf… Author: Marius Zbihlei <marius.zbihlei(a)1and1.ro> Committer: Marius Zbihlei <marius.zbihlei(a)1and1.ro> Date: Mon Oct 26 17:16:37 2009 +0200 When string was in the form of 0=on\n\0 this function caused a segmentation fault(canaries where overwritten). --- modules/utils/conf.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/modules/utils/conf.c b/modules/utils/conf.c index 996d56c..9ffc61f 100644 --- a/modules/utils/conf.c +++ b/modules/utils/conf.c @@ -80,11 +80,10 @@ static void remove_spaces(char *s) { char *p, *dst; - for (p = s, dst = s; *p != '\0'; ++p, ++dst) { + for (p = s, dst = s; *dst != '\0'; ++p, ++dst) { while (isspace(*p)) ++p; *dst = *p; } - *dst = '\0'; }

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git:sr_3.0: domain: Do not report errors when domain cannot be extracted from URI.
by Jan Janak 26 Oct '09

26 Oct '09

Module: sip-router Branch: sr_3.0 Commit: 6186194a7e6153871d9da019e64916f6f73ec922 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=6186194… Author: Jan Janak <jan(a)ryngle.com> Committer: Jan Janak <jan(a)ryngle.com> Date: Mon Oct 26 14:37:22 2009 +0100 domain: Do not report errors when domain cannot be extracted from URI. We should not report an error to syslog when lookup_domain fails to parse the URI it was given as argument. That URI usually comes from SIP messages we received from another implementation and we cannot guarantee that they will always be well-formed. Generating an error each time we receive a malformed SIP message can easily result in denial of service. --- modules_s/domain/domain_mod.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/modules_s/domain/domain_mod.c b/modules_s/domain/domain_mod.c index e5d5cb0..b175ff8 100644 --- a/modules_s/domain/domain_mod.c +++ b/modules_s/domain/domain_mod.c @@ -440,7 +440,7 @@ static int lookup_domain(struct sip_msg* msg, char* flags, char* fp) track = 0; if (get_str_fparam(&domain, msg, (fparam_t*)fp) != 0) { - ERR("Cannot get domain name to lookup\n"); + DBG("lookup_domain: Cannot get the domain name to lookup\n"); return -1; }

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git:master: domain: Do not report errors when domain cannot be extracted from URI.
by Jan Janak 26 Oct '09

26 Oct '09

Module: sip-router Branch: master Commit: 6907fb8dc86953dfae0e2924a2c5a24feff3ecad URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=6907fb8… Author: Jan Janak <jan(a)ryngle.com> Committer: Jan Janak <jan(a)ryngle.com> Date: Mon Oct 26 14:37:22 2009 +0100 domain: Do not report errors when domain cannot be extracted from URI. We should not report an error to syslog when lookup_domain fails to parse the URI it was given as argument. That URI usually comes from SIP messages we received from another implementation and we cannot guarantee that they will always be well-formed. Generating an error each time we receive a malformed SIP message can easily result in denial of service. --- modules_s/domain/domain_mod.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/modules_s/domain/domain_mod.c b/modules_s/domain/domain_mod.c index e5d5cb0..b175ff8 100644 --- a/modules_s/domain/domain_mod.c +++ b/modules_s/domain/domain_mod.c @@ -440,7 +440,7 @@ static int lookup_domain(struct sip_msg* msg, char* flags, char* fp) track = 0; if (get_str_fparam(&domain, msg, (fparam_t*)fp) != 0) { - ERR("Cannot get domain name to lookup\n"); + DBG("lookup_domain: Cannot get the domain name to lookup\n"); return -1; }

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git:master: parse_sip_msg_uri: Log broken URIs only when debugging is enabled.
by Jan Janak 26 Oct '09

26 Oct '09

Module: sip-router Branch: master Commit: 47e9d6d83617e79c774c8815ec88610dc24e3dc4 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=47e9d6d… Author: Jan Janak <jan(a)ryngle.com> Committer: Jan Janak <jan(a)ryngle.com> Date: Mon Oct 26 14:15:53 2009 +0100 parse_sip_msg_uri: Log broken URIs only when debugging is enabled. Logging broken Request-URIs with LOG(L_ERR) generates too much traffic in syslog by default. Broken Request-URIs are beyond our control and we should not generate an error message each time we receive and parse one. We log them only when debugging is enabled. --- parser/parse_uri.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/parser/parse_uri.c b/parser/parse_uri.c index 60f28c5..b9d487e 100644 --- a/parser/parse_uri.c +++ b/parser/parse_uri.c @@ -1403,8 +1403,8 @@ int parse_sip_msg_uri(struct sip_msg* msg) tmp_len=msg->first_line.u.request.uri.len; } if (parse_uri(tmp, tmp_len, &msg->parsed_uri)<0){ - LOG(L_ERR, "ERROR: parse_sip_msg_uri: bad uri <%.*s>\n", - tmp_len, tmp); + DBG("ERROR: parse_sip_msg_uri: bad uri <%.*s>\n", + tmp_len, tmp); msg->parsed_uri_ok=0; return -1; }

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git:master: Fixed 42.sh
by Marius Zbihlei 26 Oct '09

26 Oct '09

Module: sip-router Branch: master Commit: 8817fb1cf468b0490565c32b2dfa5230546a933f URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=8817fb1… Author: Marius Zbihlei <marius.zbihlei(a)1and1.ro> Committer: Marius Zbihlei <marius.zbihlei(a)1and1.ro> Date: Mon Oct 26 15:07:30 2009 +0200 Fixed 42.sh --- test/unit/42.sh | 12 ++++++------ 1 files changed, 6 insertions(+), 6 deletions(-) diff --git a/test/unit/42.sh b/test/unit/42.sh index e1561da..8a30d2f 100755 --- a/test/unit/42.sh +++ b/test/unit/42.sh @@ -82,28 +82,28 @@ ret=$? sleep 1 if [ "$ret" -eq 0 ] ; then - sipp -sn uas -bg -i localhost -m 12 -p 7000 &> /dev/null - sipp -sn uas -bg -i localhost -m 12 -p 8000 &> /dev/null + sipp -sn uas -bg -i 127.0.0.1 -m 12 -p 7000 &> /dev/null + sipp -sn uas -bg -i 127.0.0.1 -m 12 -p 8000 &> /dev/null sipp -sn uac -s ab4-123456787 127.0.0.1:5060 -i 127.0.0.1 -m 20 -p 5061 &> /dev/null ret=$? killall sipp &> /dev/null fi; if [ "$ret" -eq 0 ] ; then - sipp -sn uas -bg -i localhost -m 10 -p 9000 &> /dev/null + sipp -sn uas -bg -i 127.0.0.1 -m 10 -p 9000 &> /dev/null sipp -sn uac -s ab4-123456786 127.0.0.1:5060 -i 127.0.0.1 -m 10 -p 5061 &> /dev/null ret=$? fi; if [ "$ret" -eq 0 ] ; then - sipp -sn uas -bg -i localhost -m 10 -p 10000 &> /dev/null + sipp -sn uas -bg -i 127.0.0.1 -m 10 -p 10000 &> /dev/null sipp -sn uac -s ab4-123456785 127.0.0.1:5060 -i 127.0.0.1 -m 10 -p 5061 &> /dev/null ret=$? fi; if [ "$ret" -eq 0 ] ; then killall sipp &> /dev/null - sipp -sf failure_route.xml -bg -i localhost -m 10 -p 10000 &> /dev/null + sipp -sf failure_route.xml -bg -i 127.0.0.1 -m 10 -p 10000 &> /dev/null sipp -sn uac -s ab4-123456785 127.0.0.1:5060 -i 127.0.0.1 -m 10 -p 5061 &> /dev/null ret=$? fi; @@ -116,7 +116,7 @@ flags, mask, next_domain) values ('5', '3', '1', 'ab4-', '127.0.0.1:10000', '486 if [ ! "$ret" -eq 0 ] ; then $CTL fifo cr_reload_routes killall sipp &> /dev/null - sipp -sf failure_route.xml -bg -i localhost -m 10 -p 10000 &> /dev/null + sipp -sf failure_route.xml -bg -i 127.0.0.1 -m 10 -p 10000 &> /dev/null sipp -sn uac -s ab4-123456785 127.0.0.1:5060 -i 127.0.0.1 -m 10 -p 5061 &> /dev/null ret=$? fi;

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git:master: Fixed 41.sh test
by Marius Zbihlei 26 Oct '09

26 Oct '09

Module: sip-router Branch: master Commit: f9dbcbba75e742d9fafa1b10b477144c4aefd731 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=f9dbcbb… Author: Marius Zbihlei <marius.zbihlei(a)1and1.ro> Committer: Marius Zbihlei <marius.zbihlei(a)1and1.ro> Date: Mon Oct 26 14:25:29 2009 +0200 Fixed 41.sh test --- test/unit/41.cfg | 10 +++++----- test/unit/41.sh | 14 ++++++++------ 2 files changed, 13 insertions(+), 11 deletions(-) diff --git a/test/unit/41.cfg b/test/unit/41.cfg index 335b670..0ca4422 100644 --- a/test/unit/41.cfg +++ b/test/unit/41.cfg @@ -1,15 +1,15 @@ -memlog=1 +#memlog=1 debug=1 children=1 -mpath="../modules" +mpath="../../modules_k" +loadmodule "../../modules/tm/tm.so" loadmodule "sl/sl.so" -loadmodule "tm/tm.so" -loadmodule "db_mysql/db_mysql.so" +loadmodule "../../modules/db_mysql/db_mysql.so" loadmodule "usrloc/usrloc.so" loadmodule "registrar/registrar.so" loadmodule "pv/pv.so" -loadmodule "avpops/avpops.so" +loadmodule "../../modules/avpops/avpops.so" loadmodule "mi_fifo/mi_fifo.so" loadmodule "xlog/xlog.so" diff --git a/test/unit/41.sh b/test/unit/41.sh index 87cffb7..7e2be14 100755 --- a/test/unit/41.sh +++ b/test/unit/41.sh @@ -38,17 +38,18 @@ if ! (check_sipp && check_kamailio && check_module "db_mysql" && check_mysql); t fi ; # add an registrar entry to the db; -$MYSQL "INSERT INTO location (username,contact,socket,user_agent,cseq,q) VALUES (\"foo\",\"sip:foo@localhost:$UAS\",\"udp:127.0.0.1:$UAS\",\"ser_test\",1,-1);" +$MYSQL "INSERT INTO location (username,contact,socket,user_agent,cseq,q) VALUES (\"foo\",\"sip:foo@127.0.0.1:$UAS\",\"udp:127.0.0.1:$UAS\",\"ser_test\",1,-1);" $MYSQL "INSERT INTO usr_preferences (uuid, attribute, type, value) VALUES (\"foobar\", \"679\", 0, \"foobar!!!!!\");" # start -../$BIN -w . -f $CFG &> /dev/null + +$BIN -w . -f $CFG &> /dev/null ret=$? if [ "$ret" -eq 0 ]; then - sipp -sn uas -bg -i localhost -m $NR -r $RT -p $UAS &> /dev/null - sipp -sn uac -s foo 127.0.0.1:$SRV -r $RT -i localhost -m $NR -p $UAC &> /dev/null + sipp -sn uas -bg -i 127.0.0.1 -m $NR -r $RT -p $UAS &> /dev/null + sipp -sn uac -s foo 127.0.0.1:$SRV -r $RT -i 127.0.0.1 -m $NR -p $UAC &> /dev/null ret=$? fi; @@ -56,6 +57,7 @@ sleep 1 $KILL killall -9 sipp > /dev/null 2>&1 -$MYSQL "DELETE FROM location WHERE ((contact = \"sip:foo@localhost:$UAS\") and (user_agent = \"ser_test\"));" +$MYSQL "DELETE FROM location WHERE ((contact = \"sip:foo@127.0.0.1:$UAS\") and (user_agent = \"ser_test\"));" $MYSQL "DELETE FROM usr_preferences;" -exit $ret \ No newline at end of file +exit $ret +

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git:master: Removed unused var (added last commit)
by Marius Zbihlei 26 Oct '09

26 Oct '09

Module: sip-router Branch: master Commit: 60548b6b3475d82e5d4d8c9a4be53c8dfb32df5e URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=60548b6… Author: Marius Zbihlei <marius.zbihlei(a)1and1.ro> Committer: Marius Zbihlei <marius.zbihlei(a)1and1.ro> Date: Mon Oct 26 14:23:25 2009 +0200 Removed unused var (added last commit) --- modules/avpops/avpops_impl.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/modules/avpops/avpops_impl.c b/modules/avpops/avpops_impl.c index ab0ec91..3817cd8 100644 --- a/modules/avpops/avpops_impl.c +++ b/modules/avpops/avpops_impl.c @@ -660,7 +660,6 @@ int ops_dbstore_avps (struct sip_msg* msg, struct fis_param *sp, n =0 ; memset(&st, 0, sizeof(struct search_state)); - int counter = 1; if ((dbp->a.opd&AVPOPS_VAL_NONE)==0) { /* avp name is known ->set it and its type */

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git:master: Fixed avpops avp_db_store as before no state was used and it caused to loop endessly .
by Marius Zbihlei 26 Oct '09

26 Oct '09

Module: sip-router Branch: master Commit: ffca34a67b64079cf66a0d4c0cd5419fff3f2255 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=ffca34a… Author: Marius Zbihlei <marius.zbihlei(a)1and1.ro> Committer: Marius Zbihlei <marius.zbihlei(a)1and1.ro> Date: Mon Oct 26 13:37:43 2009 +0200 Fixed avpops avp_db_store as before no state was used and it caused to loop endessly. --- modules/avpops/avpops_impl.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-) diff --git a/modules/avpops/avpops_impl.c b/modules/avpops/avpops_impl.c index c6fa543..ab0ec91 100644 --- a/modules/avpops/avpops_impl.c +++ b/modules/avpops/avpops_impl.c @@ -659,13 +659,14 @@ int ops_dbstore_avps (struct sip_msg* msg, struct fis_param *sp, /* set uuid/(username and domain) fields */ n =0 ; - + memset(&st, 0, sizeof(struct search_state)); + int counter = 1; if ((dbp->a.opd&AVPOPS_VAL_NONE)==0) { /* avp name is known ->set it and its type */ store_vals[1].val.str_val = dbp->sa; /*attr name*/ - avp = search_first_avp( name_type, avp_name, &i_s, 0); - for( ; avp; avp=search_first_avp( name_type, avp_name, &i_s, &st)) + avp = search_first_avp( name_type, avp_name, &i_s, &st); + for( ; avp; avp=search_next_avp( &st, &i_s)) { /* don't insert avps which were loaded */ if (avp->flags&AVP_IS_IN_DB)

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git:master: Last doxygen updates of today.
by Olle E. Johansson 25 Oct '09

25 Oct '09

Module: sip-router Branch: master Commit: 084221763b27e7fab9fa2b860651972a97056467 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=0842217… Author: oej <oej(a)edvina.net> Committer: oej <oej(a)edvina.net> Date: Sun Oct 25 21:30:00 2009 +0100 Last doxygen updates of today. --- modules_k/presence/bind_presence.c | 5 ++++- modules_k/presence/bind_presence.h | 6 +++--- modules_k/presence/doc/presence_admin.xml | 24 ++++++++++++------------ 3 files changed, 19 insertions(+), 16 deletions(-) diff --git a/modules_k/presence/bind_presence.c b/modules_k/presence/bind_presence.c index c2093cb..154c220 100644 --- a/modules_k/presence/bind_presence.c +++ b/modules_k/presence/bind_presence.c @@ -27,7 +27,10 @@ */ /*! \file - * \brief Kamailio presence module + * \brief SIP-Router Presence :: Kamailio generic presence module + * + * This is the core presence module, used in combination with other modules. + * * \ingroup presence */ diff --git a/modules_k/presence/bind_presence.h b/modules_k/presence/bind_presence.h index 44858e2..5800315 100644 --- a/modules_k/presence/bind_presence.h +++ b/modules_k/presence/bind_presence.h @@ -25,10 +25,10 @@ * -------- * 2007-04-17 initial version (anca) */ - /*! \file - * \brief Kamailio presence module - * \ingroup presence + * \brief SIP-Router Presence :: Kamailio generic presence module + * + * \ingroup presence */ diff --git a/modules_k/presence/doc/presence_admin.xml b/modules_k/presence/doc/presence_admin.xml index 4273d7d..2dd8ec6 100644 --- a/modules_k/presence/doc/presence_admin.xml +++ b/modules_k/presence/doc/presence_admin.xml @@ -27,8 +27,8 @@ is periodically updated in the database, while for PUBLISH only the presence or absence of stored info for a certain resource is maintained in memory to avoid unnecessary, costly database operations. - It is possible to disable in-memory caching by configurng a fallback to database mode - (by setting module parameter "fallback2db"). In this mode, in case a searched record is not + It is possible to disable in-memory caching by configuring a fallback to database mode + (by setting the module parameter "fallback2db"). In this mode, in case a searched record is not found in cache, the search is continued in database. This is useful for an architecture in which processing and memory load might be divided on several &kamailio; instances, maybe on different servers using the same database. @@ -102,7 +102,7 @@ <programlisting format="linespecific"> ... modparam("presence", "db_url", - "mysql://openser:openserrw@192.168.2.132/openser") + "&defaultdb;") ... </programlisting> </example> @@ -225,7 +225,7 @@ modparam("presence", "to_tag_pref", 'pres') <para> The value in seconds that should be subtracted from the expires value when sending a 200OK for a publish. It is used for forcing the client - cu send an update before the old publish expires. + to send an update before the old publish expires. </para> <para> <emphasis>Default value is <quote>0</quote>. @@ -265,7 +265,7 @@ modparam("presence", "max_expires", 3600) <title><varname>server_address</varname> (str)</title> <para> The presence server address which will become the value of Contact header filed - for 200OK replies to Subscribe and Publish and in Notify messages. + for 200 OK replies to SUBSCRIBE and PUBLISH and in NOTIFY messages. </para> <example> <title>Set <varname>server_address</varname> parameter</title> @@ -299,8 +299,8 @@ modparam("presence", "fallback2db", 1) <title><varname>subs_htable_size</varname> (int)</title> <para> The size of the in-memory hash table to store subscription dialogs. - This parameter will be used as the power of 2 when computing table size. - </para> + This parameter will be used as the power of 2 when computing table size. + </para> <para> <emphasis>Default value is <quote>9 (512)</quote>. </emphasis> @@ -318,8 +318,8 @@ modparam("presence", "subs_htable_size", 11) <section> <title><varname>pres_htable_size</varname> (int)</title> <para> - The size of the in-memory hash table to store publish records. - This parameter will be used as the power of 2 when computing table size. + The size of the in-memory hash table to store publish records. + This parameter will be used as the power of 2 when computing table size. </para> <para> <emphasis>Default value is <quote>9 (512)</quote>. @@ -368,10 +368,10 @@ modparam("presence", "enable_sphere_check", 1) </title> <para> Handles PUBLISH requests by storing and updating - published information in memory cach and database, then calls functions to send + published information in memory cache and database, then calls functions to send NOTIFY messages when changes in the published information occur. It takes one argument -> sender_uri. The parameter was added - for enabling BLA implementation. If present, Notification of + for enabling BLA implementation. If present, notification of a change in published state is not sent to the respective uri even though a subscription exists. It should be taken from the Sender header. It was left at the @@ -425,7 +425,7 @@ modparam("presence", "enable_sphere_check", 1) </title> <para> The function which handles SUBSCRIBE requests. It stores or - updates information in memory and database and calls functions to send Notify + updates information in memory and database and calls functions to send NOTIFY messages when a SUBSCRIBE which initiate a dialog is received </para> <para>

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