/*
* $Id: ul_unixsock.c,v 1.5.2.1 2005/03/29 11:54:35 janakj Exp $
*
* Copyright (C) 2004 FhG FOKUS
*
* This file is part of ser, a free SIP server.
*
* ser is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* For a license to use the ser software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* ser is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "../../unixsock_server.h"
#include "../../ut.h"
#include "../../str.h"
#include "../../qvalue.h"
#include "dlist.h"
#include "ul_mod.h"
#include "ul_fifo.h"
#include "utime.h"
#include "ul_unixsock.h"
/*
* Dedicated to Douglas Adams, don't panic !
*/
#define UNIXSOCK_CALLID "The-Answer-To-The-Ultimate-Question-Of-Life-Universe-And-Everything"
#define UNIXSOCK_CALLID_LEN (sizeof(UNIXSOCK_CALLID)-1)
#define UNIXSOCK_CSEQ 42
#define UNIXSOCK_UA "SIP Express Router UNIXSOCK"
#define UNIXSOCK_UA_LEN (sizeof(UNIXSOCK_UA)-1)
static inline int add_contact(udomain_t* _d, str* _u, str* _c, time_t _e, qvalue_t _q, int _f)
{
urecord_t* r;
ucontact_t* c = 0;
int res;
str cid, ua;
if (_e == 0 && !(_f & FL_PERMANENT)) {
LOG(L_ERR, "fifo_add_contact(): expires == 0 and not persistent contact, giving up\n");
return -1;
}
get_act_time();
res = get_urecord(_d, _u, &r);
if (res < 0) {
LOG(L_ERR, "fifo_add_contact(): Error while getting record\n");
return -2;
}
if (res > 0) { /* Record not found */
if (insert_urecord(_d, _u, &r) < 0) {
LOG(L_ERR, "fifo_add_contact(): Error while creating new urecord\n");
return -3;
}
} else {
if (get_ucontact(r, _c, &c) < 0) {
LOG(L_ERR, "fifo_add_contact(): Error while obtaining ucontact\n");
return -4;
}
}
cid.s = UNIXSOCK_CALLID;
cid.len = UNIXSOCK_CALLID_LEN;
ua.s = UNIXSOCK_UA;
ua.len = UNIXSOCK_UA_LEN;
if (c) {
if (update_ucontact(c, _e + act_time, _q, &cid, UNIXSOCK_CSEQ, _f, FL_NONE, &ua, 0) < 0) {
LOG(L_ERR, "fifo_add_contact(): Error while updating contact\n");
release_urecord(r);
return -5;
}
} else {
if (insert_ucontact(r, _c, _e + act_time, _q, &cid, UNIXSOCK_CSEQ, _f, &c, &ua, 0) < 0) {
LOG(L_ERR, "fifo_add_contact(): Error while inserting contact\n");
release_urecord(r);
return -6;
}
}
release_urecord(r);
return 0;
}
static inline void unixsock_find_domain(str* _name, udomain_t** _d)
{
dlist_t* ptr;
ptr = root;
while(ptr) {
if ((ptr->name.len == _name->len) &&
!memcmp(ptr->name.s, _name->s, _name->len)) {
break;
}
ptr = ptr->next;
}
if (ptr) {
*_d = ptr->d;
} else {
*_d = 0;
}
}
static int ul_stats_cmd(str* msg)
{
dlist_t* ptr;
unixsock_reply_asciiz("200 OK\n");
unixsock_reply_asciiz("Domain Registered Expired\n");
ptr = root;
while(ptr) {
if (unixsock_reply_printf("'%.*s' %d %d\n",
ptr->d->name->len, ZSW(ptr->d->name->s),
ptr->d->users,
ptr->d->expired
) < 0) {
unixsock_reply_reset();
unixsock_reply_asciiz("500 Buffer Too Small\n");
unixsock_reply_send();
return -1;
}
ptr = ptr->next;
}
unixsock_reply_send();
return 0;
}
static int ul_rm(str* msg)
{
udomain_t* d;
str table, user;
char* at;
if (unixsock_read_line(&table, msg) != 0) {
unixsock_reply_asciiz("400 Table name expected\n");
goto err;
}
if (unixsock_read_line(&user, msg) != 0) {
unixsock_reply_asciiz("400 User name expected\n");
goto err;
}
at = q_memchr(user.s, '@', user.len);
if (use_domain) {
if (!at) {
unixsock_reply_asciiz("400 Domain missing\n");
goto err;
}
} else {
if (at) {
user.len = at - user.s;
}
}
strlower(&user);
unixsock_find_domain(&table, &d);
LOG(L_INFO, "INFO: Deleting entry (%.*s,%.*s)\n",
table.len, ZSW(table.s), user.len, ZSW(user.s));
if (d) {
lock_udomain(d);
if (delete_urecord(d, &user) < 0) {
LOG(L_ERR, "ul_rm(): Error while deleting user %.*s\n", user.len, ZSW(user.s));
unlock_udomain(d);
unixsock_reply_printf("500 Error while deleting user %.*s\n", user.len, ZSW(user.s));
goto err;
}
unlock_udomain(d);
unixsock_reply_printf("200 user (%.*s, %.*s) deleted\n",
table.len, ZSW(table.s), user.len, ZSW(user.s));
unixsock_reply_send();
return 0;
} else {
unixsock_reply_printf("400 table (%.*s) not found\n", table.len, ZSW(table.s));
return 0;
}
err:
unixsock_reply_send();
return -1;
}
static int ul_rm_contact(str* msg)
{
udomain_t* d;
urecord_t* r;
ucontact_t* con;
str table, user, contact;
int res;
char* at;
if (unixsock_read_line(&table, msg) != 0) {
unixsock_reply_asciiz("400 Table name expected\n");
goto err;
}
if (unixsock_read_line(&user, msg) != 0) {
unixsock_reply_asciiz("400 Username expected\n");
goto err;
}
at = q_memchr(user.s, '@', user.len);
if (use_domain) {
if (!at) {
unixsock_reply_asciiz("400 Domain missing\n");
goto err;
}
} else {
if (at) {
user.len = at - user.s;
}
}
if (unixsock_read_line(&contact, msg) != 0) {
unixsock_reply_asciiz("400 Contact expected\n");
goto err;
}
strlower(&user);
unixsock_find_domain(&table, &d);
LOG(L_INFO, "INFO: Deleting contact (%.*s,%.*s,%.*s)\n",
table.len, ZSW(table.s),
user.len, ZSW(user.s),
contact.len, ZSW(contact.s));
if (d) {
lock_udomain(d);
res = get_urecord(d, &user, &r);
if (res < 0) {
unixsock_reply_printf("500 Error while looking for username %.*s in table %.*s\n",
user.len, ZSW(user.s), table.len, ZSW(table.s));
goto err_unlock;
}
if (res > 0) {
unixsock_reply_printf("404 Username %.*s in table %.*s not found\n",
user.len, ZSW(user.s), table.len, ZSW(table.s));
goto err_unlock;
}
res = get_ucontact(r, &contact, &con);
if (res < 0) {
unixsock_reply_printf("500 Error while looking for contact %.*s\n", contact.len, ZSW(contact.s));
goto err_unlock;
}
if (res > 0) {
unixsock_reply_printf("404 Contact %.*s in table %.*s not found\n",
contact.len, ZSW(contact.s), table.len, ZSW(table.s));
goto err_unlock;
}
if (delete_ucontact(r, con) < 0) {
unixsock_reply_printf("500 ul_rm_contact: Error while deleting contact %.*s\n",
contact.len, ZSW(contact.s));
goto err_unlock;
}
release_urecord(r);
unlock_udomain(d);
unixsock_reply_printf("200 Contact (%.*s, %.*s) deleted from table %.*s\n",
user.len, ZSW(user.s),
contact.len, ZSW(contact.s),
table.len, ZSW(table.s));
unixsock_reply_send();
return 0;
} else {
unixsock_reply_printf("400 table (%.*s) not found\n", table.len, ZSW(table.s));
goto err;
}
err_unlock:
unlock_udomain(d);
err:
unixsock_reply_send();
return -1;
}
static int ul_flush(str* msg)
{
synchronize_all_udomains();
unixsock_reply_printf("200 ul_flush completed\n");
unixsock_reply_send();
return 0;
}
static int ul_dump(str* msg)
{
/* This function is not implemented in unixsock interface,
* it produces a lot of data which would not fit into a single
* message
*/
unixsock_reply_asciiz( "500 Not Implemented\n");
return 0;
}
static int ul_add(str* msg)
{
udomain_t* d;
qvalue_t qval;
int exp_i, flags_i;
char* at;
str table, user, contact, expires, q, rep, flags;
if (unixsock_read_line(&table, msg) != 0) {
unixsock_reply_asciiz("400 Table name expected\n");
goto err;
}
if (unixsock_read_line(&user, msg) != 0) {
unixsock_reply_asciiz("400 AOR name expected\n");
goto err;
}
at = q_memchr(user.s, '@', user.len);
if (use_domain) {
if (!at) {
unixsock_reply_asciiz("400 Username@domain expected\n");
goto err;
}
} else {
if (at) {
user.len = at - user.s;
}
}
if (unixsock_read_line(&contact, msg) != 0) {
unixsock_reply_asciiz("400 Contact expected\n");
goto err;
}
if (unixsock_read_line(&expires, msg) != 0) {
unixsock_reply_asciiz("400 Expires expected\n");
goto err;
}
if (unixsock_read_line(&q, msg) != 0) {
unixsock_reply_asciiz("400 q value expected\n");
goto err;
}
/* Kept for backwards compatibility */
if (unixsock_read_line(&rep, msg) != 0) {
unixsock_reply_asciiz("400 Replicate expected\n");
goto err;
}
if (unixsock_read_line(&flags, msg) != 0) {
unixsock_reply_asciiz("400 Flags expected\n");
goto err;
}
strlower(&user);
unixsock_find_domain(&table, &d);
if (d) {
if (str2int(&expires, (unsigned int*)&exp_i) < 0) {
unixsock_reply_asciiz("400 Invalid expires format\n");
goto err;
}
if (str2q(&qval, q.s, q.len) < 0) {
unixsock_reply_asciiz("400 invalid q value\n");
goto err;
}
if (str2int(&flags, (unsigned int*)&flags_i) < 0) {
unixsock_reply_asciiz("400 Invalid flags format\n");
goto err;
}
lock_udomain(d);
if (add_contact(d, &user, &contact, exp_i, qval, flags_i) < 0) {
unlock_udomain(d);
LOG(L_ERR, "ul_add(): Error while adding contact ('%.*s','%.*s') in table '%.*s'\n",
user.len, ZSW(user.s), contact.len, ZSW(contact.s), table.len, ZSW(table.s));
unixsock_reply_printf("500 Error while adding contact\n"
" ('%.*s','%.*s') in table '%.*s'\n",
user.len, ZSW(user.s), contact.len, ZSW(contact.s), table.len, ZSW(table.s));
goto err;
}
unlock_udomain(d);
unixsock_reply_printf("200 Added to table\n"
"('%.*s','%.*s') to '%.*s'\n",
user.len, ZSW(user.s), contact.len, ZSW(contact.s), table.len, ZSW(table.s));
unixsock_reply_send();
return 0;
} else {
unixsock_reply_printf("400 Table '%.*s' not found in memory, use save(\"%.*s\") or lookup(\"%.*s\") in the configuration script first\n",
table.len, ZSW(table.s), table.len, ZSW(table.s), table.len, ZSW(table.s));
unixsock_reply_send();
return 0;
}
err:
unixsock_reply_send();
return -1;
}
/*
* Build Contact HF for reply
*/
static inline int print_contacts(ucontact_t* _c)
{
int cnt = 0;
while(_c) {
if (VALID_CONTACT(_c, act_time)) {
cnt++;
if (cnt == 1) {
unixsock_reply_asciiz("200 OK\n");
}
if (unixsock_reply_printf("<%.*s>;q=%s;expires=%d\n",
_c->c.len, ZSW(_c->c.s),
q2str(_c->q, 0), (int)(_c->expires - act_time)) < 0) {
return -1;
}
}
_c = _c->next;
}
return cnt == 0;
}
static inline int ul_show_contact(str* msg)
{
udomain_t* d;
urecord_t* r;
int res;
str table, aor;
char* at;
if (unixsock_read_line(&table, msg) != 0) {
unixsock_reply_asciiz("400 Table name expected\n");
goto err;
}
if (unixsock_read_line(&aor, msg) != 0) {
unixsock_reply_asciiz("400 Address of Record expected\n");
goto err;
}
at = q_memchr(aor.s, '@', aor.len);
if (use_domain) {
if (!at) {
unixsock_reply_asciiz("400 User@domain expected\n");
goto err;
}
} else {
if (at) {
aor.len = at - aor.s;
}
}
strlower(&aor);
unixsock_find_domain(&table, &d);
if (d) {
lock_udomain(d);
res = get_urecord(d, &aor, &r);
if (res < 0) {
unixsock_reply_printf("500 Error while looking for username %.*s in table %.*s\n",
aor.len, ZSW(aor.s), table.len, ZSW(table.s));
goto err_unlock;
}
if (res > 0) {
unixsock_reply_printf("404 Username %.*s in table %.*s not found\n",
aor.len, ZSW(aor.s), table.len, ZSW(table.s));
goto err_unlock;
}
get_act_time();
res = print_contacts(r->contacts);
if (res > 0) {
unixsock_reply_asciiz("404 No registered contacts found\n");
res = 1;
} else if (res < 0) {
unixsock_reply_reset();
unixsock_reply_asciiz("500 Buffer too small\n");
goto err_unlock;
} else {
res = 0;
}
unlock_udomain(d);
unixsock_reply_send();
return res;
} else {
unixsock_reply_printf("400 table (%.*s) not found\n", table.len, ZSW(table.s));
goto err;
}
err_unlock:
unlock_udomain(d);
err:
unixsock_reply_send();
return -1;
}
int init_ul_unixsock(void)
{
if (unixsock_register_cmd(UL_STATS, ul_stats_cmd) < 0) {
LOG(L_CRIT, "init_ul_unixsock: cannot register ul_stats\n");
return -1;
}
if (unixsock_register_cmd(UL_RM, ul_rm) < 0) {
LOG(L_CRIT, "init_ul_unixsock: cannot register ul_rm\n");
return -1;
}
if (unixsock_register_cmd(UL_RM_CONTACT, ul_rm_contact) < 0) {
LOG(L_CRIT, "init_ul_unixsock: cannot register ul_rm_contact\n");
return -1;
}
if (unixsock_register_cmd(UL_DUMP, ul_dump) < 0) {
LOG(L_CRIT, "init_ul_unixsock: cannot register ul_dump\n");
return -1;
}
if (unixsock_register_cmd(UL_FLUSH, ul_flush) < 0) {
LOG(L_CRIT, "init_ul_unixsock: cannot register ul_flush\n");
return -1;
}
if (unixsock_register_cmd(UL_ADD, ul_add) < 0) {
LOG(L_CRIT, "init_ul_unixsock: cannot register ul_add\n");
return -1;
}
if (unixsock_register_cmd(UL_SHOW_CONTACT, ul_show_contact) < 0) {
LOG(L_CRIT, "init_ul_unixsock: cannot register ul_show_contact\n");
return -1;
}
return 0;
}
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