1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/* --------------------------------------------------------------------------
*
* License
*
* The contents of this file are subject to the Jabber Open Source License
* Version 1.0 (the "JOSL"). You may not copy or use this file, in either
* source code or executable form, except in compliance with the JOSL. You
* may obtain a copy of the JOSL at http://www.jabber.org/ or at
* http://www.opensource.org/.
*
* Software distributed under the JOSL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the JOSL
* for the specific language governing rights and limitations under the
* JOSL.
*
* Copyrights
*
* Portions created by or assigned to Jabber.com, Inc. are
* Copyright (c) 1999-2002 Jabber.com, Inc. All Rights Reserved. Contact
* information for Jabber.com, Inc. is available at http://www.jabber.com/.
*
* Portions Copyright (c) 1998-1999 Jeremie Miller.
*
* Acknowledgements
*
* Special thanks to the Jabber Open Source Contributors for their
* suggestions and support of Jabber.
*
* Alternatively, the contents of this file may be used under the terms of the
* GNU General Public License Version 2 or later (the "GPL"), in which case
* the provisions of the GPL are applicable instead of those above. If you
* wish to allow use of your version of this file only under the terms of the
* GPL and not to allow others to use your version of this file under the JOSL,
* indicate your decision by deleting the provisions above and replace them
* with the notice and other provisions required by the GPL. If you do not
* delete the provisions above, a recipient may use your version of this file
* under either the JOSL or the GPL.
*
*
* --------------------------------------------------------------------------*/
#include "jabber.h"
#include <glib.h>
static jid jid_safe(jid id)
{
char *str;
if(strlen(id->server) == 0 || strlen(id->server) > 255)
return NULL;
/* lowercase the hostname, make sure it's valid characters */
for(str = id->server; *str != '\0'; str++)
{
*str = tolower(*str);
if(!(isalnum(*str) || *str == '.' || *str == '-' || *str == '_')) return NULL;
}
/* cut off the user */
if(id->user != NULL && strlen(id->user) > 64)
id->user[64] = '\0';
/* check for low and invalid ascii characters in the username */
if(id->user != NULL)
for(str = id->user; *str != '\0'; str++)
if(*str <= 32 || *str == ':' || *str == '@' || *str == '<' || *str == '>' || *str == '\'' || *str == '"' || *str == '&') return NULL;
return id;
}
jid jid_new(pool p, char *idstr)
{
char *server, *resource, *type, *str;
jid id;
if(p == NULL || idstr == NULL || strlen(idstr) == 0)
return NULL;
/* user@server/resource */
str = pstrdup(p, idstr);
id = pmalloco(p,sizeof(struct jid_struct));
id->p = p;
resource = strstr(str,"/");
if(resource != NULL)
{
*resource = '\0';
++resource;
if(strlen(resource) > 0)
id->resource = resource;
}else{
resource = str + strlen(str); /* point to end */
}
type = strstr(str,":");
if(type != NULL && type < resource)
{
*type = '\0';
++type;
str = type; /* ignore the type: prefix */
}
server = strstr(str,"@");
if(server == NULL || server > resource)
{ /* if there's no @, it's just the server address */
id->server = str;
}else{
*server = '\0';
++server;
id->server = server;
if(strlen(str) > 0)
id->user = str;
}
return jid_safe(id);
}
char *jid_full(jid id)
{
spool s;
if(id == NULL)
return NULL;
/* use cached copy */
if(id->full != NULL)
return id->full;
s = spool_new(id->p);
if(id->user != NULL)
spooler(s, id->user,"@",s);
spool_add(s, id->server);
if(id->resource != NULL)
spooler(s, "/",id->resource,s);
id->full = spool_print(s);
return id->full;
}
/* local utils */
static int _jid_nullstrcmp(char *a, char *b)
{
if(a == NULL && b == NULL) return 0;
if(a == NULL || b == NULL) return -1;
return strcmp(a,b);
}
static int _jid_nullstrcasecmp(char *a, char *b)
{
if(a == NULL && b == NULL) return 0;
if(a == NULL || b == NULL) return -1;
return g_strcasecmp(a,b);
}
/* suggested by Anders Qvist <quest@valdez.netg.se> */
int jid_cmpx(jid a, jid b, int parts)
{
if(a == NULL || b == NULL)
return -1;
if(parts & JID_RESOURCE && _jid_nullstrcmp(a->resource, b->resource) != 0) return -1;
if(parts & JID_USER && _jid_nullstrcasecmp(a->user, b->user) != 0) return -1;
if(parts & JID_SERVER && _jid_nullstrcmp(a->server, b->server) != 0) return -1;
return 0;
}
|
