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1 /* |
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2 * This program is free software; you can redistribute it and/or modify |
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3 * it under the terms of the GNU General Public License as published by |
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4 * the Free Software Foundation; either version 2 of the License, or |
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5 * (at your option) any later version. |
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6 * |
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7 * This program is distributed in the hope that it will be useful, |
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8 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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10 * GNU General Public License for more details. |
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11 * |
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12 * You should have received a copy of the GNU General Public License |
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13 * along with this program; if not, write to the Free Software |
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14 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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15 * |
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16 * Jabber |
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17 * Copyright (C) 1998-1999 The Jabber Team http://jabber.org/ |
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18 */ |
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19 |
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20 #include <string.h> |
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21 #include <stdlib.h> |
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22 #include <sys/types.h> |
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23 #include <stdio.h> |
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24 #include <setjmp.h> |
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25 #include <sys/stat.h> |
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26 #include <fcntl.h> |
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27 #include <errno.h> |
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28 #include <signal.h> |
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29 #include <stdarg.h> |
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30 #include <syslog.h> |
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31 #include <strings.h> |
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32 #include <unistd.h> |
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33 #include <sys/socket.h> |
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34 #include <netinet/in.h> |
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35 #include <netdb.h> |
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36 #include <arpa/inet.h> |
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37 #include <ctype.h> |
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38 #include <time.h> |
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39 |
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40 #include "libxode.h" |
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41 #include "connwrap.h" |
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42 |
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43 #ifndef INCL_JABBER_H |
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44 #define INCL_JABBER_H |
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45 |
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46 #ifdef __cplusplus |
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47 extern "C" { |
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48 #endif |
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49 |
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50 /* --------------------------------------------------------- */ |
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51 /* */ |
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52 /* JID structures & constants */ |
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53 /* */ |
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54 /* --------------------------------------------------------- */ |
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55 #define JID_RESOURCE 1 |
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56 #define JID_USER 2 |
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57 #define JID_SERVER 4 |
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58 |
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59 typedef struct jid_struct |
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60 { |
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61 pool p; |
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62 char* resource; |
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63 char* user; |
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64 char* server; |
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65 char* full; |
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66 struct jid_struct *next; /* for lists of jids */ |
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67 } *jid; |
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68 |
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69 jid jid_new(pool p, char *idstr); /* Creates a jabber id from the idstr */ |
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70 |
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71 void jid_set(jid id, char *str, int item); /* Individually sets jid components */ |
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72 char* jid_full(jid id); /* Builds a string type=user/resource@server from the jid data */ |
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73 int jid_cmp(jid a, jid b); /* Compares two jid's, returns 0 for perfect match */ |
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74 int jid_cmpx(jid a, jid b, int parts); /* Compares just the parts specified as JID_|JID_ */ |
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75 jid jid_append(jid a, jid b); /* Appending b to a (list), no dups */ |
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76 xmlnode jid_xres(jid id); /* Returns xmlnode representation of the resource?query=string */ |
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77 xmlnode jid_nodescan(jid id, xmlnode x); /* Scans the children of the node for a matching jid attribute */ |
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78 |
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79 |
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80 /* --------------------------------------------------------- */ |
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81 /* */ |
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82 /* JPacket structures & constants */ |
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83 /* */ |
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84 /* --------------------------------------------------------- */ |
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85 #define JPACKET_UNKNOWN 0x00 |
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86 #define JPACKET_MESSAGE 0x01 |
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87 #define JPACKET_PRESENCE 0x02 |
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88 #define JPACKET_IQ 0x04 |
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89 #define JPACKET_S10N 0x08 |
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90 |
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91 #define JPACKET__UNKNOWN 0 |
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92 #define JPACKET__NONE 1 |
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93 #define JPACKET__ERROR 2 |
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94 #define JPACKET__CHAT 3 |
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95 #define JPACKET__GROUPCHAT 4 |
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96 #define JPACKET__GET 5 |
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97 #define JPACKET__SET 6 |
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98 #define JPACKET__RESULT 7 |
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99 #define JPACKET__SUBSCRIBE 8 |
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100 #define JPACKET__SUBSCRIBED 9 |
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101 #define JPACKET__UNSUBSCRIBE 10 |
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102 #define JPACKET__UNSUBSCRIBED 11 |
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103 #define JPACKET__AVAILABLE 12 |
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104 #define JPACKET__UNAVAILABLE 13 |
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105 #define JPACKET__PROBE 14 |
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106 #define JPACKET__HEADLINE 15 |
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107 |
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108 typedef struct jpacket_struct |
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109 { |
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110 unsigned char type; |
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111 int subtype; |
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112 int flag; |
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113 void* aux1; |
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114 xmlnode x; |
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115 jid to; |
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116 jid from; |
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117 char* iqns; |
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118 xmlnode iq; |
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119 pool p; |
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120 } *jpacket, _jpacket; |
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121 |
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122 jpacket jpacket_new(xmlnode x); /* Creates a jabber packet from the xmlnode */ |
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123 jpacket jpacket_reset(jpacket p); /* Resets the jpacket values based on the xmlnode */ |
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124 int jpacket_subtype(jpacket p); /* Returns the subtype value (looks at xmlnode for it) */ |
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125 |
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126 |
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127 /* --------------------------------------------------------- */ |
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128 /* */ |
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129 /* Presence Proxy DB structures & constants */ |
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130 /* */ |
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131 /* --------------------------------------------------------- */ |
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132 typedef struct ppdb_struct |
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133 { |
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134 jid id; /* entry data */ |
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135 int pri; |
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136 xmlnode x; |
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137 struct ppdb_struct* user; /* linked list for user@server */ |
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138 pool p; /* db-level data */ |
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139 struct ppdb_struct* next; |
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140 } _ppdb, *ppdb; |
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141 |
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142 ppdb ppdb_insert(ppdb db, jid id, xmlnode x); /* Inserts presence into the proxy */ |
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143 xmlnode ppdb_primary(ppdb db, jid id); /* Fetches the matching primary presence for the id */ |
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144 void ppdb_free(ppdb db); /* Frees the db and all entries */ |
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145 xmlnode ppdb_get(ppdb db, jid id); /* Called successively to return each presence xmlnode */ |
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146 /* for the id and children, returns NULL at the end */ |
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147 |
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148 |
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149 /* --------------------------------------------------------- */ |
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150 /* */ |
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151 /* Simple Jabber Rate limit functions */ |
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152 /* */ |
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153 /* --------------------------------------------------------- */ |
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154 typedef struct jlimit_struct |
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155 { |
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156 char *key; |
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157 int start; |
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158 int points; |
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159 int maxt, maxp; |
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160 pool p; |
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161 } *jlimit, _jlimit; |
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162 |
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163 jlimit jlimit_new(int maxt, int maxp); |
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164 void jlimit_free(jlimit r); |
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165 int jlimit_check(jlimit r, char *key, int points); |
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166 |
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167 |
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168 /* --------------------------------------------------------- */ |
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169 /* */ |
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170 /* Error structures & constants */ |
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171 /* */ |
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172 /* --------------------------------------------------------- */ |
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173 typedef struct terror_struct |
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174 { |
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175 int code; |
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176 char msg[64]; |
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177 } terror; |
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178 |
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179 #define TERROR_BAD (terror){400,"Bad Request"} |
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180 #define TERROR_AUTH (terror){401,"Unauthorized"} |
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181 #define TERROR_PAY (terror){402,"Payment Required"} |
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182 #define TERROR_FORBIDDEN (terror){403,"Forbidden"} |
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183 #define TERROR_NOTFOUND (terror){404,"Not Found"} |
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184 #define TERROR_NOTALLOWED (terror){405,"Not Allowed"} |
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185 #define TERROR_NOTACCEPTABLE (terror){406,"Not Acceptable"} |
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186 #define TERROR_REGISTER (terror){407,"Registration Required"} |
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187 #define TERROR_REQTIMEOUT (terror){408,"Request Timeout"} |
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188 #define TERROR_CONFLICT (terror){409,"Conflict"} |
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189 |
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190 #define TERROR_INTERNAL (terror){500,"Internal Server Error"} |
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191 #define TERROR_NOTIMPL (terror){501,"Not Implemented"} |
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192 #define TERROR_EXTERNAL (terror){502,"Remote Server Error"} |
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193 #define TERROR_UNAVAIL (terror){503,"Service Unavailable"} |
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194 #define TERROR_EXTTIMEOUT (terror){504,"Remote Server Timeout"} |
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195 #define TERROR_DISCONNECTED (terror){510,"Disconnected"} |
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196 |
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197 /* --------------------------------------------------------- */ |
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198 /* */ |
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199 /* Namespace constants */ |
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200 /* */ |
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201 /* --------------------------------------------------------- */ |
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202 #define NSCHECK(x,n) (j_strcmp(xmlnode_get_attrib(x,"xmlns"),n) == 0) |
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203 |
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204 #define NS_CLIENT "jabber:client" |
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205 #define NS_SERVER "jabber:server" |
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206 #define NS_AUTH "jabber:iq:auth" |
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207 #define NS_REGISTER "jabber:iq:register" |
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208 #define NS_ROSTER "jabber:iq:roster" |
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209 #define NS_OFFLINE "jabber:x:offline" |
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210 #define NS_AGENT "jabber:iq:agent" |
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211 #define NS_AGENTS "jabber:iq:agents" |
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212 #define NS_DELAY "jabber:x:delay" |
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213 #define NS_VERSION "jabber:iq:version" |
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214 #define NS_TIME "jabber:iq:time" |
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215 #define NS_VCARD "vcard-temp" |
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216 #define NS_PRIVATE "jabber:iq:private" |
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217 #define NS_SEARCH "jabber:iq:search" |
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218 #define NS_OOB "jabber:iq:oob" |
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219 #define NS_XOOB "jabber:x:oob" |
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220 #define NS_ADMIN "jabber:iq:admin" |
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221 #define NS_FILTER "jabber:iq:filter" |
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222 #define NS_AUTH_0K "jabber:iq:auth:0k" |
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223 |
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224 |
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225 /* --------------------------------------------------------- */ |
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226 /* */ |
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227 /* Message Types */ |
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228 /* */ |
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229 /* --------------------------------------------------------- */ |
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230 #define TMSG_NORMAL "normal" |
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231 #define TMSG_ERROR "error" |
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232 #define TMSG_CHAT "chat" |
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233 #define TMSG_GROUPCHAT "groupchat" |
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234 #define TMSG_HEADLINE "headline" |
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235 |
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236 |
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237 /* --------------------------------------------------------- */ |
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238 /* */ |
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239 /* JUtil functions */ |
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240 /* */ |
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241 /* --------------------------------------------------------- */ |
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242 xmlnode jutil_presnew(int type, char *to, char *status); /* Create a skeleton presence packet */ |
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243 xmlnode jutil_iqnew(int type, char *ns); /* Create a skeleton iq packet */ |
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244 xmlnode jutil_msgnew(char *type, char *to, char *subj, char *body); |
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245 /* Create a skeleton message packet */ |
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246 xmlnode jutil_header(char* xmlns, char* server); /* Create a skeleton stream packet */ |
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247 int jutil_priority(xmlnode x); /* Determine priority of this packet */ |
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248 void jutil_tofrom(xmlnode x); /* Swaps to/from fields on a packet */ |
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249 xmlnode jutil_iqresult(xmlnode x); /* Generate a skeleton iq/result, given a iq/query */ |
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250 char* jutil_timestamp(void); /* Get stringified timestamp */ |
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251 void jutil_error(xmlnode x, terror E); /* Append an <error> node to x */ |
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252 void jutil_delay(xmlnode msg, char *reason); /* Append a delay packet to msg */ |
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253 char* jutil_regkey(char *key, char *seed); /* pass a seed to generate a key, pass the key again to validate (returns it) */ |
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254 |
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255 |
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256 /* --------------------------------------------------------- */ |
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257 /* */ |
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258 /* JConn structures & functions */ |
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259 /* */ |
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260 /* --------------------------------------------------------- */ |
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261 #define JCONN_STATE_OFF 0 |
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262 #define JCONN_STATE_CONNECTED 1 |
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263 #define JCONN_STATE_ON 2 |
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264 #define JCONN_STATE_AUTH 3 |
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265 #define JCONN_STATE_CONNECTING 4 |
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266 |
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267 typedef struct jconn_struct |
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268 { |
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269 /* Core structure */ |
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270 pool p; /* Memory allocation pool */ |
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271 int state; /* Connection state flag */ |
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272 int cw_state; /* Low level connection state flag */ |
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273 int fd; /* Connection file descriptor */ |
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274 int port; |
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275 int ssl; |
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276 jid user; /* User info */ |
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277 char *pass; /* User passwd */ |
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278 |
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279 /* Stream stuff */ |
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280 int id; /* id counter for jab_getid() function */ |
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281 char idbuf[9]; /* temporary storage for jab_getid() */ |
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282 char *sid; /* stream id from server, for digest auth */ |
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283 XML_Parser parser; /* Parser instance */ |
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284 xmlnode current; /* Current node in parsing instance.. */ |
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285 |
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286 /* Event callback ptrs */ |
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287 void (*on_state)(struct jconn_struct *j, int state); |
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288 void (*on_packet)(struct jconn_struct *j, jpacket p); |
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289 void (*logger)(struct jconn_struct *j, int inout, const char *p); |
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290 |
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291 } *jconn, jconn_struct; |
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292 |
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293 typedef void (*jconn_state_h)(jconn j, int state); |
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294 typedef void (*jconn_packet_h)(jconn j, jpacket p); |
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295 typedef void (*jconn_logger)(jconn j, int inout, const char *p); |
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296 |
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297 jconn jab_new(char *user, char *pass, int port, int ssl); |
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298 void jab_delete(jconn j); |
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299 void jab_state_handler(jconn j, jconn_state_h h); |
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300 void jab_packet_handler(jconn j, jconn_packet_h h); |
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301 void jab_logger(jconn j, jconn_logger h); |
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302 void jab_start(jconn j); |
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303 void jab_stop(jconn j); |
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304 |
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305 int jab_getfd(jconn j); |
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306 jid jab_getjid(jconn j); |
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307 char *jab_getsid(jconn j); |
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308 char *jab_getid(jconn j); |
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309 |
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310 void jab_send(jconn j, xmlnode x); |
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311 void jab_send_raw(jconn j, const char *str); |
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312 void jab_recv(jconn j); |
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313 void jab_poll(jconn j, int timeout); |
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314 |
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315 char *jab_auth(jconn j); |
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316 char *jab_reg(jconn j); |
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317 |
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318 #ifdef __cplusplus |
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319 } |
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320 #endif |
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321 |
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322 #endif /* INCL_JABBER_H */ |
