/src/kamailio/src/core/name_alias.h

Source (jump to first uncovered line)
/*
 *
 * Copyright (C) 2001-2003 FhG Fokus
 *
 * This file is part of Kamailio, a free SIP server.
 *
 * Kamailio 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
 *
 * Kamailio 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
/*!
* \file
* \brief Kamailio core :: Name/alias handling
* \author andrei
* \ingroup core
* Module: \ref core
*/


#ifndef name_alias_h
#define name_alias_h

#include "str.h"
#include "dprint.h"
#include "mem/mem.h"


typedef struct host_alias
{
  str alias;
  unsigned short port;
  unsigned short proto;
  struct host_alias *next;
} host_alias_t;


extern struct host_alias *aliases;


/** returns 1 if  name is in the alias list; if port=0, port no is ignored
 * if proto=0, proto is ignored*/
static inline int grep_aliases(
    char *name, int len, unsigned short port, unsigned short proto)
{
  struct host_alias *a;

  if((len > 2) && ((*name) == '[') && (name[len - 1] == ']')) {
    /* ipv6 reference, skip [] */
    name++;
    len -= 2;
  }
  for(a = aliases; a; a = a->next) {
    LM_DBG("matching (%d:%.*s:%d) vs. (%d:%.*s:%d)\n", proto, len, name,
        port, a->proto, a->alias.len, a->alias.s, a->port);
    if((a->alias.len == len)
        && ((a->port == 0) || (port == 0) || (a->port == port))
        && ((a->proto == 0) || (proto == 0) || (a->proto == proto))
        && (strncasecmp(a->alias.s, name, len) == 0)) {
      return 1;
    }
  }
  return 0;
}


/** adds an alias to the list (only if it isn't already there)
 * if port==0, the alias will match all the ports
 * if proto==0, the alias will match all the protocols
 * returns 1 if a new alias was added, 0 if a matching alias was already on
 * the list and  -1 on error */
static inline int add_alias(
    char *name, int len, unsigned short port, unsigned short proto)
{
  struct host_alias *a;

  if((port) && (proto)) {
    /* don't add if there is already an alias matching it */
    if(grep_aliases(name, len, port, proto)) {
      return 0;
    }
  } else {
    /* don't add if already in the list with port or proto ==0*/
    for(a = aliases; a; a = a->next) {
      if((a->alias.len == len) && (a->port == port) && (a->proto == proto)
          && (strncasecmp(a->alias.s, name, len) == 0)) {
        return 0;
      }
    }
  }
  a = (struct host_alias *)pkg_malloc(sizeof(struct host_alias));
  if(a == 0) {
    goto error;
  }
  a->alias.s = (char *)pkg_malloc(len + 1);
  if(a->alias.s == 0) {
    goto error;
  }
  a->alias.len = len;
  memcpy(a->alias.s, name, len);
  a->alias.s[len] = 0; /* null terminate for easier printing*/
  a->port = port;
  a->proto = proto;
  a->next = aliases;
  aliases = a;
  return 1;
error:
  PKG_MEM_ERROR;
  if(a) {
    pkg_free(a);
  }
  return -1;
}

#endif

Line	Count	Source (jump to first uncovered line)
1		/*
2		*
3		* Copyright (C) 2001-2003 FhG Fokus
4		*
5		* This file is part of Kamailio, a free SIP server.
6		*
7		* Kamailio is free software; you can redistribute it and/or modify
8		* it under the terms of the GNU General Public License as published by
9		* the Free Software Foundation; either version 2 of the License, or
10		* (at your option) any later version
11		*
12		* Kamailio is distributed in the hope that it will be useful,
13		* but WITHOUT ANY WARRANTY; without even the implied warranty of
14		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15		* GNU General Public License for more details.
16		*
17		* You should have received a copy of the GNU General Public License
18		* along with this program; if not, write to the Free Software
19		* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20		*/
21		/*!
22		* \file
23		* \brief Kamailio core :: Name/alias handling
24		* \author andrei
25		* \ingroup core
26		* Module: \ref core
27		*/
28
29
30		#ifndef name_alias_h
31		#define name_alias_h
32
33		#include "str.h"
34		#include "dprint.h"
35		#include "mem/mem.h"
36
37
38		typedef struct host_alias
39		{
40		str alias;
41		unsigned short port;
42		unsigned short proto;
43		struct host_alias *next;
44		} host_alias_t;
45
46
47		extern struct host_alias *aliases;
48
49
50		/** returns 1 if name is in the alias list; if port=0, port no is ignored
51		* if proto=0, proto is ignored*/
52		static inline int grep_aliases(
53		char *name, int len, unsigned short port, unsigned short proto)
54	0	{
55	0	struct host_alias *a;
56
57	0	if((len > 2) && ((*name) == '[') && (name[len - 1] == ']')) {
58		/* ipv6 reference, skip [] */
59	0	name++;
60	0	len -= 2;
61	0	}
62	0	for(a = aliases; a; a = a->next) {
63	0	LM_DBG("matching (%d:%.s:%d) vs. (%d:%.s:%d)\n", proto, len, name,
64	0	port, a->proto, a->alias.len, a->alias.s, a->port);
65	0	if((a->alias.len == len)
66	0	&& ((a->port == 0) \|\| (port == 0) \|\| (a->port == port))
67	0	&& ((a->proto == 0) \|\| (proto == 0) \|\| (a->proto == proto))
68	0	&& (strncasecmp(a->alias.s, name, len) == 0)) {
69	0	return 1;
70	0	}
71	0	}
72	0	return 0;
73	0	} Unexecuted instantiation: main.c:grep_aliases Unexecuted instantiation: socket_info.c:grep_aliases Unexecuted instantiation: cfg.tab.c:grep_aliases Unexecuted instantiation: core_cmd.c:grep_aliases Unexecuted instantiation: forward.c:grep_aliases
74
75
76		/** adds an alias to the list (only if it isn't already there)
77		* if port==0, the alias will match all the ports
78		* if proto==0, the alias will match all the protocols
79		* returns 1 if a new alias was added, 0 if a matching alias was already on
80		* the list and -1 on error */
81		static inline int add_alias(
82		char *name, int len, unsigned short port, unsigned short proto)
83	0	{
84	0	struct host_alias *a;
85
86	0	if((port) && (proto)) {
87		/* don't add if there is already an alias matching it */
88	0	if(grep_aliases(name, len, port, proto)) {
89	0	return 0;
90	0	}
91	0	} else {
92		/* don't add if already in the list with port or proto ==0*/
93	0	for(a = aliases; a; a = a->next) {
94	0	if((a->alias.len == len) && (a->port == port) && (a->proto == proto)
95	0	&& (strncasecmp(a->alias.s, name, len) == 0)) {
96	0	return 0;
97	0	}
98	0	}
99	0	}
100	0	a = (struct host_alias *)pkg_malloc(sizeof(struct host_alias));
101	0	if(a == 0) {
102	0	goto error;
103	0	}
104	0	a->alias.s = (char *)pkg_malloc(len + 1);
105	0	if(a->alias.s == 0) {
106	0	goto error;
107	0	}
108	0	a->alias.len = len;
109	0	memcpy(a->alias.s, name, len);
110	0	a->alias.s[len] = 0; /* null terminate for easier printing*/
111	0	a->port = port;
112	0	a->proto = proto;
113	0	a->next = aliases;
114	0	aliases = a;
115	0	return 1;
116	0	error:
117	0	PKG_MEM_ERROR;
118	0	if(a) {
119	0	pkg_free(a);
120	0	}
121	0	return -1;
122	0	} Unexecuted instantiation: main.c:add_alias Unexecuted instantiation: socket_info.c:add_alias Unexecuted instantiation: cfg.tab.c:add_alias Unexecuted instantiation: core_cmd.c:add_alias Unexecuted instantiation: forward.c:add_alias
123
124		#endif

Coverage Report

Created: 2024-02-25 06:34