1 |
adx |
30 |
/* |
2 |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
3 |
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* s_serv.c: Server related functions. |
4 |
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* |
5 |
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* Copyright (C) 2005 by the past and present ircd coders, and others. |
6 |
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* |
7 |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 |
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* GNU General Public License for more details. |
16 |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
20 |
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* USA |
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* |
22 |
knight |
31 |
* $Id$ |
23 |
adx |
30 |
*/ |
24 |
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25 |
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#include "stdinc.h" |
26 |
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#ifdef HAVE_LIBCRYPTO |
27 |
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#include <openssl/rsa.h> |
28 |
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#include "rsa.h" |
29 |
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#endif |
30 |
michael |
1011 |
#include "list.h" |
31 |
adx |
30 |
#include "channel.h" |
32 |
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#include "channel_mode.h" |
33 |
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#include "client.h" |
34 |
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#include "dbuf.h" |
35 |
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#include "event.h" |
36 |
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#include "fdlist.h" |
37 |
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#include "hash.h" |
38 |
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#include "irc_string.h" |
39 |
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#include "sprintf_irc.h" |
40 |
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#include "ircd.h" |
41 |
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#include "ircd_defs.h" |
42 |
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#include "s_bsd.h" |
43 |
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#include "numeric.h" |
44 |
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#include "packet.h" |
45 |
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#include "irc_res.h" |
46 |
michael |
1309 |
#include "conf.h" |
47 |
adx |
30 |
#include "s_serv.h" |
48 |
michael |
1309 |
#include "log.h" |
49 |
michael |
1303 |
#include "s_misc.h" |
50 |
adx |
30 |
#include "s_user.h" |
51 |
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#include "send.h" |
52 |
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#include "memory.h" |
53 |
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#include "channel.h" /* chcap_usage_counts stuff...*/ |
54 |
michael |
1243 |
#include "parse.h" |
55 |
adx |
30 |
|
56 |
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#define MIN_CONN_FREQ 300 |
57 |
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58 |
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static dlink_list cap_list = { NULL, NULL, 0 }; |
59 |
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static void server_burst(struct Client *); |
60 |
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static void burst_all(struct Client *); |
61 |
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static void send_tb(struct Client *client_p, struct Channel *chptr); |
62 |
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63 |
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static CNCB serv_connect_callback; |
64 |
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65 |
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static void burst_members(struct Client *, struct Channel *); |
66 |
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67 |
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/* |
68 |
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* write_links_file |
69 |
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* |
70 |
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* inputs - void pointer which is not used |
71 |
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* output - NONE |
72 |
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* side effects - called from an event, write out list of linked servers |
73 |
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* but in no particular order. |
74 |
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*/ |
75 |
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void |
76 |
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write_links_file(void* notused) |
77 |
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{ |
78 |
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MessageFileLine *next_mptr = 0; |
79 |
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MessageFileLine *mptr = 0; |
80 |
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MessageFileLine *currentMessageLine = 0; |
81 |
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MessageFileLine *newMessageLine = 0; |
82 |
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MessageFile *MessageFileptr; |
83 |
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const char *p; |
84 |
michael |
1325 |
FILE *file; |
85 |
adx |
30 |
char buff[512]; |
86 |
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dlink_node *ptr; |
87 |
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88 |
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MessageFileptr = &ConfigFileEntry.linksfile; |
89 |
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90 |
michael |
1325 |
if ((file = fopen(MessageFileptr->fileName, "w")) == NULL) |
91 |
adx |
30 |
return; |
92 |
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93 |
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for (mptr = MessageFileptr->contentsOfFile; mptr; mptr = next_mptr) |
94 |
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{ |
95 |
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next_mptr = mptr->next; |
96 |
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MyFree(mptr); |
97 |
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} |
98 |
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99 |
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MessageFileptr->contentsOfFile = NULL; |
100 |
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currentMessageLine = NULL; |
101 |
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102 |
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DLINK_FOREACH(ptr, global_serv_list.head) |
103 |
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{ |
104 |
michael |
1325 |
const struct Client *target_p = ptr->data; |
105 |
adx |
30 |
|
106 |
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/* skip ourselves, we send ourselves in /links */ |
107 |
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if (IsMe(target_p)) |
108 |
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continue; |
109 |
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110 |
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/* skip hidden servers */ |
111 |
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if (IsHidden(target_p) && !ConfigServerHide.disable_hidden) |
112 |
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continue; |
113 |
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114 |
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if (target_p->info[0]) |
115 |
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p = target_p->info; |
116 |
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else |
117 |
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p = "(Unknown Location)"; |
118 |
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119 |
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newMessageLine = MyMalloc(sizeof(MessageFileLine)); |
120 |
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121 |
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/* Attempt to format the file in such a way it follows the usual links output |
122 |
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* ie "servername uplink :hops info" |
123 |
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* Mostly for aesthetic reasons - makes it look pretty in mIRC ;) |
124 |
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* - madmax |
125 |
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*/ |
126 |
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127 |
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/* |
128 |
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* For now, check this ircsprintf wont overflow - it shouldnt on a |
129 |
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* default config but it is configurable.. |
130 |
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* This should be changed to an snprintf at some point, but I'm wanting to |
131 |
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* know if this is a cause of a bug - cryogen |
132 |
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*/ |
133 |
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assert(strlen(target_p->name) + strlen(me.name) + 6 + strlen(p) <= |
134 |
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MESSAGELINELEN); |
135 |
michael |
1325 |
snprintf(newMessageLine->line, sizeof(newMessageLine->line), "%s %s :1 %s", |
136 |
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target_p->name, me.name, p); |
137 |
adx |
30 |
newMessageLine->next = NULL; |
138 |
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139 |
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if (MessageFileptr->contentsOfFile) |
140 |
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{ |
141 |
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if (currentMessageLine) |
142 |
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currentMessageLine->next = newMessageLine; |
143 |
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currentMessageLine = newMessageLine; |
144 |
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} |
145 |
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else |
146 |
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{ |
147 |
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MessageFileptr->contentsOfFile = newMessageLine; |
148 |
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currentMessageLine = newMessageLine; |
149 |
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} |
150 |
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151 |
michael |
1325 |
snprintf(buff, sizeof(buff), "%s %s :1 %s\n", target_p->name, me.name, p); |
152 |
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fputs(buff, file); |
153 |
adx |
30 |
} |
154 |
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155 |
michael |
1325 |
fclose(file); |
156 |
adx |
30 |
} |
157 |
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158 |
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/* hunt_server() |
159 |
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* Do the basic thing in delivering the message (command) |
160 |
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* across the relays to the specific server (server) for |
161 |
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* actions. |
162 |
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* |
163 |
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* Note: The command is a format string and *MUST* be |
164 |
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* of prefixed style (e.g. ":%s COMMAND %s ..."). |
165 |
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* Command can have only max 8 parameters. |
166 |
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* |
167 |
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* server parv[server] is the parameter identifying the |
168 |
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* target server. |
169 |
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* |
170 |
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* *WARNING* |
171 |
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* parv[server] is replaced with the pointer to the |
172 |
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* real servername from the matched client (I'm lazy |
173 |
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* now --msa). |
174 |
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* |
175 |
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* returns: (see #defines) |
176 |
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*/ |
177 |
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int |
178 |
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hunt_server(struct Client *client_p, struct Client *source_p, const char *command, |
179 |
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int server, int parc, char *parv[]) |
180 |
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{ |
181 |
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struct Client *target_p = NULL; |
182 |
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struct Client *target_tmp = NULL; |
183 |
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dlink_node *ptr; |
184 |
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int wilds; |
185 |
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186 |
michael |
1344 |
/* Assume it's me, if no server */ |
187 |
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if (parc <= server || EmptyString(parv[server])) |
188 |
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return HUNTED_ISME; |
189 |
adx |
30 |
|
190 |
michael |
1344 |
if (!strcmp(parv[server], me.id) || match(parv[server], me.name)) |
191 |
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return HUNTED_ISME; |
192 |
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193 |
adx |
30 |
/* These are to pickup matches that would cause the following |
194 |
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* message to go in the wrong direction while doing quick fast |
195 |
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* non-matching lookups. |
196 |
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*/ |
197 |
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if (MyClient(source_p)) |
198 |
michael |
1169 |
target_p = hash_find_client(parv[server]); |
199 |
adx |
30 |
else |
200 |
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target_p = find_person(client_p, parv[server]); |
201 |
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202 |
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if (target_p) |
203 |
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if (target_p->from == source_p->from && !MyConnect(target_p)) |
204 |
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target_p = NULL; |
205 |
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206 |
michael |
1169 |
if (target_p == NULL && (target_p = hash_find_server(parv[server]))) |
207 |
adx |
30 |
if (target_p->from == source_p->from && !MyConnect(target_p)) |
208 |
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target_p = NULL; |
209 |
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210 |
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collapse(parv[server]); |
211 |
michael |
1400 |
wilds = has_wildcards(parv[server]); |
212 |
adx |
30 |
|
213 |
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/* Again, if there are no wild cards involved in the server |
214 |
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* name, use the hash lookup |
215 |
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*/ |
216 |
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if (target_p == NULL) |
217 |
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{ |
218 |
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if (!wilds) |
219 |
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{ |
220 |
michael |
1169 |
if (!(target_p = hash_find_server(parv[server]))) |
221 |
adx |
30 |
{ |
222 |
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sendto_one(source_p, form_str(ERR_NOSUCHSERVER), |
223 |
michael |
1234 |
me.name, source_p->name, parv[server]); |
224 |
adx |
30 |
return(HUNTED_NOSUCH); |
225 |
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} |
226 |
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} |
227 |
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else |
228 |
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{ |
229 |
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DLINK_FOREACH(ptr, global_client_list.head) |
230 |
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{ |
231 |
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target_tmp = ptr->data; |
232 |
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233 |
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if (match(parv[server], target_tmp->name)) |
234 |
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{ |
235 |
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if (target_tmp->from == source_p->from && !MyConnect(target_tmp)) |
236 |
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continue; |
237 |
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target_p = ptr->data; |
238 |
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|
239 |
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if (IsRegistered(target_p) && (target_p != client_p)) |
240 |
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break; |
241 |
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} |
242 |
|
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} |
243 |
|
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} |
244 |
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} |
245 |
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246 |
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if (target_p != NULL) |
247 |
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{ |
248 |
|
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if(!IsRegistered(target_p)) |
249 |
|
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{ |
250 |
|
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sendto_one(source_p, form_str(ERR_NOSUCHSERVER), |
251 |
michael |
1234 |
me.name, source_p->name, parv[server]); |
252 |
adx |
30 |
return HUNTED_NOSUCH; |
253 |
|
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} |
254 |
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255 |
|
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if (IsMe(target_p) || MyClient(target_p)) |
256 |
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return HUNTED_ISME; |
257 |
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258 |
|
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if (!match(target_p->name, parv[server])) |
259 |
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parv[server] = target_p->name; |
260 |
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261 |
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/* This is a little kludgy but should work... */ |
262 |
|
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if (IsClient(source_p) && |
263 |
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((MyConnect(target_p) && IsCapable(target_p, CAP_TS6)) || |
264 |
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(!MyConnect(target_p) && IsCapable(target_p->from, CAP_TS6)))) |
265 |
|
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parv[0] = ID(source_p); |
266 |
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|
267 |
|
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sendto_one(target_p, command, parv[0], |
268 |
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parv[1], parv[2], parv[3], parv[4], |
269 |
|
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parv[5], parv[6], parv[7], parv[8]); |
270 |
|
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return(HUNTED_PASS); |
271 |
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} |
272 |
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|
273 |
|
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sendto_one(source_p, form_str(ERR_NOSUCHSERVER), |
274 |
michael |
1234 |
me.name, source_p->name, parv[server]); |
275 |
adx |
30 |
return(HUNTED_NOSUCH); |
276 |
|
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} |
277 |
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|
278 |
|
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/* try_connections() |
279 |
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* |
280 |
|
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* inputs - void pointer which is not used |
281 |
|
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* output - NONE |
282 |
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* side effects - |
283 |
|
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* scan through configuration and try new connections. |
284 |
|
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* Returns the calendar time when the next call to this |
285 |
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* function should be made latest. (No harm done if this |
286 |
|
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* is called earlier or later...) |
287 |
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*/ |
288 |
|
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void |
289 |
|
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try_connections(void *unused) |
290 |
|
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{ |
291 |
|
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dlink_node *ptr; |
292 |
|
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struct ConfItem *conf; |
293 |
|
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struct AccessItem *aconf; |
294 |
|
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struct ClassItem *cltmp; |
295 |
|
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int confrq; |
296 |
|
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|
297 |
|
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/* TODO: change this to set active flag to 0 when added to event! --Habeeb */ |
298 |
|
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if (GlobalSetOptions.autoconn == 0) |
299 |
|
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return; |
300 |
|
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|
301 |
|
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DLINK_FOREACH(ptr, server_items.head) |
302 |
|
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{ |
303 |
|
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conf = ptr->data; |
304 |
michael |
1013 |
aconf = map_to_conf(conf); |
305 |
adx |
30 |
|
306 |
|
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/* Also when already connecting! (update holdtimes) --SRB |
307 |
|
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*/ |
308 |
michael |
1013 |
if (!(aconf->status & CONF_SERVER) || !aconf->port || |
309 |
adx |
30 |
!(IsConfAllowAutoConn(aconf))) |
310 |
|
|
continue; |
311 |
|
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|
312 |
michael |
1013 |
cltmp = map_to_conf(aconf->class_ptr); |
313 |
adx |
30 |
|
314 |
|
|
/* Skip this entry if the use of it is still on hold until |
315 |
|
|
* future. Otherwise handle this entry (and set it on hold |
316 |
|
|
* until next time). Will reset only hold times, if already |
317 |
|
|
* made one successfull connection... [this algorithm is |
318 |
|
|
* a bit fuzzy... -- msa >;) ] |
319 |
|
|
*/ |
320 |
|
|
if (aconf->hold > CurrentTime) |
321 |
|
|
continue; |
322 |
|
|
|
323 |
|
|
if (cltmp == NULL) |
324 |
|
|
confrq = DEFAULT_CONNECTFREQUENCY; |
325 |
|
|
else |
326 |
|
|
{ |
327 |
michael |
1377 |
confrq = cltmp->con_freq; |
328 |
|
|
if (confrq < MIN_CONN_FREQ) |
329 |
adx |
30 |
confrq = MIN_CONN_FREQ; |
330 |
|
|
} |
331 |
|
|
|
332 |
|
|
aconf->hold = CurrentTime + confrq; |
333 |
|
|
|
334 |
|
|
/* Found a CONNECT config with port specified, scan clients |
335 |
|
|
* and see if this server is already connected? |
336 |
|
|
*/ |
337 |
michael |
1169 |
if (hash_find_server(conf->name) != NULL) |
338 |
adx |
30 |
continue; |
339 |
|
|
|
340 |
michael |
1377 |
if (cltmp->curr_user_count < cltmp->max_total) |
341 |
adx |
30 |
{ |
342 |
|
|
/* Go to the end of the list, if not already last */ |
343 |
|
|
if (ptr->next != NULL) |
344 |
|
|
{ |
345 |
|
|
dlinkDelete(ptr, &server_items); |
346 |
|
|
dlinkAddTail(conf, &conf->node, &server_items); |
347 |
|
|
} |
348 |
|
|
|
349 |
|
|
if (find_servconn_in_progress(conf->name)) |
350 |
|
|
return; |
351 |
|
|
|
352 |
|
|
/* We used to only print this if serv_connect() actually |
353 |
|
|
* succeeded, but since comm_tcp_connect() can call the callback |
354 |
|
|
* immediately if there is an error, we were getting error messages |
355 |
|
|
* in the wrong order. SO, we just print out the activated line, |
356 |
|
|
* and let serv_connect() / serv_connect_callback() print an |
357 |
|
|
* error afterwards if it fails. |
358 |
|
|
* -- adrian |
359 |
|
|
*/ |
360 |
|
|
if (ConfigServerHide.hide_server_ips) |
361 |
|
|
sendto_realops_flags(UMODE_ALL, L_ALL, "Connection to %s activated.", |
362 |
|
|
conf->name); |
363 |
|
|
else |
364 |
|
|
sendto_realops_flags(UMODE_ALL, L_ALL, "Connection to %s[%s] activated.", |
365 |
|
|
conf->name, aconf->host); |
366 |
|
|
|
367 |
|
|
serv_connect(aconf, NULL); |
368 |
|
|
/* We connect only one at time... */ |
369 |
|
|
return; |
370 |
|
|
} |
371 |
|
|
} |
372 |
|
|
} |
373 |
|
|
|
374 |
|
|
int |
375 |
michael |
1115 |
valid_servname(const char *name) |
376 |
|
|
{ |
377 |
|
|
unsigned int length = 0; |
378 |
|
|
unsigned int dots = 0; |
379 |
|
|
const char *p = name; |
380 |
|
|
|
381 |
|
|
for (; *p; ++p) |
382 |
|
|
{ |
383 |
|
|
if (!IsServChar(*p)) |
384 |
michael |
1118 |
return 0; |
385 |
michael |
1115 |
|
386 |
|
|
++length; |
387 |
|
|
|
388 |
|
|
if (*p == '.') |
389 |
|
|
++dots; |
390 |
|
|
} |
391 |
|
|
|
392 |
michael |
1118 |
return dots != 0 && length <= HOSTLEN; |
393 |
michael |
1115 |
} |
394 |
|
|
|
395 |
|
|
int |
396 |
michael |
1302 |
check_server(const char *name, struct Client *client_p) |
397 |
adx |
30 |
{ |
398 |
|
|
dlink_node *ptr; |
399 |
|
|
struct ConfItem *conf = NULL; |
400 |
|
|
struct ConfItem *server_conf = NULL; |
401 |
|
|
struct AccessItem *server_aconf = NULL; |
402 |
|
|
struct AccessItem *aconf = NULL; |
403 |
|
|
int error = -1; |
404 |
|
|
|
405 |
|
|
assert(client_p != NULL); |
406 |
|
|
|
407 |
|
|
/* loop through looking for all possible connect items that might work */ |
408 |
|
|
DLINK_FOREACH(ptr, server_items.head) |
409 |
|
|
{ |
410 |
|
|
conf = ptr->data; |
411 |
michael |
1013 |
aconf = map_to_conf(conf); |
412 |
adx |
30 |
|
413 |
|
|
if (!match(name, conf->name)) |
414 |
|
|
continue; |
415 |
|
|
|
416 |
|
|
error = -3; |
417 |
|
|
|
418 |
|
|
/* XXX: Fix me for IPv6 */ |
419 |
|
|
/* XXX sockhost is the IPv4 ip as a string */ |
420 |
|
|
if (match(aconf->host, client_p->host) || |
421 |
|
|
match(aconf->host, client_p->sockhost)) |
422 |
|
|
{ |
423 |
|
|
error = -2; |
424 |
|
|
|
425 |
michael |
1414 |
if (!match_conf_password(client_p->localClient->passwd, aconf)) |
426 |
|
|
return -2; |
427 |
adx |
30 |
|
428 |
michael |
1414 |
server_conf = conf; |
429 |
adx |
30 |
} |
430 |
|
|
} |
431 |
|
|
|
432 |
|
|
if (server_conf == NULL) |
433 |
|
|
return(error); |
434 |
|
|
|
435 |
|
|
attach_conf(client_p, server_conf); |
436 |
|
|
|
437 |
michael |
885 |
server_aconf = map_to_conf(server_conf); |
438 |
adx |
30 |
|
439 |
|
|
if (!IsConfTopicBurst(server_aconf)) |
440 |
michael |
1472 |
ClearCap(client_p, CAP_TBURST); |
441 |
adx |
30 |
|
442 |
|
|
if (aconf != NULL) |
443 |
|
|
{ |
444 |
|
|
struct sockaddr_in *v4; |
445 |
|
|
#ifdef IPV6 |
446 |
|
|
struct sockaddr_in6 *v6; |
447 |
|
|
#endif |
448 |
|
|
switch (aconf->aftype) |
449 |
|
|
{ |
450 |
|
|
#ifdef IPV6 |
451 |
|
|
case AF_INET6: |
452 |
michael |
1389 |
v6 = (struct sockaddr_in6 *)&aconf->addr; |
453 |
adx |
30 |
|
454 |
|
|
if (IN6_IS_ADDR_UNSPECIFIED(&v6->sin6_addr)) |
455 |
michael |
1389 |
memcpy(&aconf->addr, &client_p->localClient->ip, sizeof(struct irc_ssaddr)); |
456 |
adx |
30 |
break; |
457 |
|
|
#endif |
458 |
|
|
case AF_INET: |
459 |
michael |
1389 |
v4 = (struct sockaddr_in *)&aconf->addr; |
460 |
adx |
30 |
|
461 |
|
|
if (v4->sin_addr.s_addr == INADDR_NONE) |
462 |
michael |
1389 |
memcpy(&aconf->addr, &client_p->localClient->ip, sizeof(struct irc_ssaddr)); |
463 |
adx |
30 |
break; |
464 |
|
|
} |
465 |
|
|
} |
466 |
|
|
|
467 |
|
|
return(0); |
468 |
|
|
} |
469 |
|
|
|
470 |
|
|
/* add_capability() |
471 |
|
|
* |
472 |
|
|
* inputs - string name of CAPAB |
473 |
|
|
* - int flag of capability |
474 |
|
|
* output - NONE |
475 |
|
|
* side effects - Adds given capability name and bit mask to |
476 |
|
|
* current supported capabilities. This allows |
477 |
|
|
* modules to dynamically add or subtract their capability. |
478 |
|
|
*/ |
479 |
|
|
void |
480 |
|
|
add_capability(const char *capab_name, int cap_flag, int add_to_default) |
481 |
|
|
{ |
482 |
michael |
885 |
struct Capability *cap = MyMalloc(sizeof(*cap)); |
483 |
adx |
30 |
|
484 |
|
|
DupString(cap->name, capab_name); |
485 |
|
|
cap->cap = cap_flag; |
486 |
|
|
dlinkAdd(cap, &cap->node, &cap_list); |
487 |
michael |
885 |
|
488 |
adx |
30 |
if (add_to_default) |
489 |
|
|
default_server_capabs |= cap_flag; |
490 |
|
|
} |
491 |
|
|
|
492 |
|
|
/* delete_capability() |
493 |
|
|
* |
494 |
|
|
* inputs - string name of CAPAB |
495 |
|
|
* output - NONE |
496 |
|
|
* side effects - delete given capability from ones known. |
497 |
|
|
*/ |
498 |
|
|
int |
499 |
|
|
delete_capability(const char *capab_name) |
500 |
|
|
{ |
501 |
|
|
dlink_node *ptr; |
502 |
|
|
dlink_node *next_ptr; |
503 |
|
|
struct Capability *cap; |
504 |
|
|
|
505 |
|
|
DLINK_FOREACH_SAFE(ptr, next_ptr, cap_list.head) |
506 |
|
|
{ |
507 |
|
|
cap = ptr->data; |
508 |
|
|
|
509 |
|
|
if (cap->cap != 0) |
510 |
|
|
{ |
511 |
|
|
if (irccmp(cap->name, capab_name) == 0) |
512 |
|
|
{ |
513 |
|
|
default_server_capabs &= ~(cap->cap); |
514 |
|
|
dlinkDelete(ptr, &cap_list); |
515 |
|
|
MyFree(cap->name); |
516 |
|
|
cap->name = NULL; |
517 |
|
|
MyFree(cap); |
518 |
|
|
} |
519 |
|
|
} |
520 |
|
|
} |
521 |
|
|
|
522 |
michael |
896 |
return 0; |
523 |
adx |
30 |
} |
524 |
|
|
|
525 |
|
|
/* |
526 |
|
|
* find_capability() |
527 |
|
|
* |
528 |
|
|
* inputs - string name of capab to find |
529 |
|
|
* output - 0 if not found CAPAB otherwise |
530 |
|
|
* side effects - none |
531 |
|
|
*/ |
532 |
|
|
int |
533 |
|
|
find_capability(const char *capab) |
534 |
|
|
{ |
535 |
michael |
896 |
const dlink_node *ptr = NULL; |
536 |
adx |
30 |
|
537 |
|
|
DLINK_FOREACH(ptr, cap_list.head) |
538 |
|
|
{ |
539 |
michael |
896 |
const struct Capability *cap = ptr->data; |
540 |
adx |
30 |
|
541 |
michael |
896 |
if (cap->cap && !irccmp(cap->name, capab)) |
542 |
|
|
return cap->cap; |
543 |
adx |
30 |
} |
544 |
michael |
896 |
|
545 |
|
|
return 0; |
546 |
adx |
30 |
} |
547 |
|
|
|
548 |
|
|
/* send_capabilities() |
549 |
|
|
* |
550 |
|
|
* inputs - Client pointer to send to |
551 |
|
|
* - Pointer to AccessItem (for crypt) |
552 |
|
|
* - int flag of capabilities that this server can send |
553 |
|
|
* output - NONE |
554 |
|
|
* side effects - send the CAPAB line to a server -orabidoo |
555 |
|
|
* |
556 |
|
|
*/ |
557 |
|
|
void |
558 |
|
|
send_capabilities(struct Client *client_p, struct AccessItem *aconf, |
559 |
michael |
1302 |
int cap_can_send) |
560 |
adx |
30 |
{ |
561 |
|
|
struct Capability *cap=NULL; |
562 |
|
|
char msgbuf[IRCD_BUFSIZE]; |
563 |
|
|
char *t; |
564 |
|
|
int tl; |
565 |
|
|
dlink_node *ptr; |
566 |
|
|
|
567 |
|
|
t = msgbuf; |
568 |
|
|
|
569 |
|
|
DLINK_FOREACH(ptr, cap_list.head) |
570 |
|
|
{ |
571 |
|
|
cap = ptr->data; |
572 |
|
|
|
573 |
|
|
if (cap->cap & (cap_can_send|default_server_capabs)) |
574 |
|
|
{ |
575 |
|
|
tl = ircsprintf(t, "%s ", cap->name); |
576 |
|
|
t += tl; |
577 |
|
|
} |
578 |
|
|
} |
579 |
|
|
|
580 |
michael |
319 |
*(t - 1) = '\0'; |
581 |
adx |
30 |
sendto_one(client_p, "CAPAB :%s", msgbuf); |
582 |
|
|
} |
583 |
|
|
|
584 |
|
|
/* sendnick_TS() |
585 |
|
|
* |
586 |
|
|
* inputs - client (server) to send nick towards |
587 |
adx |
386 |
* - client to send nick for |
588 |
adx |
30 |
* output - NONE |
589 |
|
|
* side effects - NICK message is sent towards given client_p |
590 |
|
|
*/ |
591 |
|
|
void |
592 |
|
|
sendnick_TS(struct Client *client_p, struct Client *target_p) |
593 |
|
|
{ |
594 |
|
|
static char ubuf[12]; |
595 |
|
|
|
596 |
|
|
if (!IsClient(target_p)) |
597 |
|
|
return; |
598 |
|
|
|
599 |
michael |
1294 |
send_umode(NULL, target_p, 0, SEND_UMODES, ubuf); |
600 |
adx |
30 |
|
601 |
|
|
if (ubuf[0] == '\0') |
602 |
|
|
{ |
603 |
|
|
ubuf[0] = '+'; |
604 |
|
|
ubuf[1] = '\0'; |
605 |
|
|
} |
606 |
|
|
|
607 |
|
|
/* XXX Both of these need to have a :me.name or :mySID!?!?! */ |
608 |
michael |
1196 |
if (IsCapable(client_p, CAP_SVS)) |
609 |
|
|
{ |
610 |
|
|
if (HasID(target_p) && IsCapable(client_p, CAP_TS6)) |
611 |
|
|
sendto_one(client_p, ":%s UID %s %d %lu %s %s %s %s %s %lu :%s", |
612 |
|
|
target_p->servptr->id, |
613 |
|
|
target_p->name, target_p->hopcount + 1, |
614 |
|
|
(unsigned long) target_p->tsinfo, |
615 |
|
|
ubuf, target_p->username, target_p->host, |
616 |
|
|
(MyClient(target_p) && IsIPSpoof(target_p)) ? |
617 |
|
|
"0" : target_p->sockhost, target_p->id, |
618 |
|
|
(unsigned long)target_p->servicestamp, target_p->info); |
619 |
|
|
else |
620 |
|
|
sendto_one(client_p, "NICK %s %d %lu %s %s %s %s %lu :%s", |
621 |
|
|
target_p->name, target_p->hopcount + 1, |
622 |
|
|
(unsigned long) target_p->tsinfo, |
623 |
|
|
ubuf, target_p->username, target_p->host, |
624 |
|
|
target_p->servptr->name, (unsigned long)target_p->servicestamp, |
625 |
|
|
target_p->info); |
626 |
|
|
} |
627 |
adx |
30 |
else |
628 |
michael |
1196 |
{ |
629 |
|
|
if (HasID(target_p) && IsCapable(client_p, CAP_TS6)) |
630 |
|
|
sendto_one(client_p, ":%s UID %s %d %lu %s %s %s %s %s :%s", |
631 |
|
|
target_p->servptr->id, |
632 |
|
|
target_p->name, target_p->hopcount + 1, |
633 |
|
|
(unsigned long) target_p->tsinfo, |
634 |
|
|
ubuf, target_p->username, target_p->host, |
635 |
|
|
(MyClient(target_p) && IsIPSpoof(target_p)) ? |
636 |
|
|
"0" : target_p->sockhost, target_p->id, target_p->info); |
637 |
|
|
else |
638 |
|
|
sendto_one(client_p, "NICK %s %d %lu %s %s %s %s :%s", |
639 |
|
|
target_p->name, target_p->hopcount + 1, |
640 |
|
|
(unsigned long) target_p->tsinfo, |
641 |
|
|
ubuf, target_p->username, target_p->host, |
642 |
|
|
target_p->servptr->name, target_p->info); |
643 |
|
|
} |
644 |
adx |
386 |
|
645 |
michael |
1386 |
if (IsConfAwayBurst((struct AccessItem *)map_to_conf(client_p->localClient->confs.head->data))) |
646 |
michael |
1483 |
if (target_p->away[0]) |
647 |
michael |
1465 |
sendto_one(client_p, ":%s AWAY :%s", ID_or_name(target_p, client_p), |
648 |
adx |
30 |
target_p->away); |
649 |
|
|
|
650 |
|
|
} |
651 |
|
|
|
652 |
|
|
/* |
653 |
|
|
* show_capabilities - show current server capabilities |
654 |
|
|
* |
655 |
|
|
* inputs - pointer to a struct Client |
656 |
|
|
* output - pointer to static string |
657 |
|
|
* side effects - build up string representing capabilities of server listed |
658 |
|
|
*/ |
659 |
|
|
const char * |
660 |
|
|
show_capabilities(struct Client *target_p) |
661 |
|
|
{ |
662 |
|
|
static char msgbuf[IRCD_BUFSIZE]; |
663 |
|
|
char *t = msgbuf; |
664 |
|
|
dlink_node *ptr; |
665 |
|
|
|
666 |
|
|
t += ircsprintf(msgbuf, "TS "); |
667 |
|
|
|
668 |
|
|
DLINK_FOREACH(ptr, cap_list.head) |
669 |
|
|
{ |
670 |
|
|
const struct Capability *cap = ptr->data; |
671 |
|
|
|
672 |
|
|
if (IsCapable(target_p, cap->cap)) |
673 |
|
|
t += ircsprintf(t, "%s ", cap->name); |
674 |
|
|
} |
675 |
michael |
1302 |
|
676 |
adx |
30 |
*(t - 1) = '\0'; |
677 |
michael |
1302 |
return msgbuf; |
678 |
adx |
30 |
} |
679 |
|
|
|
680 |
|
|
/* make_server() |
681 |
|
|
* |
682 |
|
|
* inputs - pointer to client struct |
683 |
|
|
* output - pointer to struct Server |
684 |
|
|
* side effects - add's an Server information block to a client |
685 |
|
|
* if it was not previously allocated. |
686 |
|
|
*/ |
687 |
|
|
struct Server * |
688 |
|
|
make_server(struct Client *client_p) |
689 |
|
|
{ |
690 |
|
|
if (client_p->serv == NULL) |
691 |
|
|
client_p->serv = MyMalloc(sizeof(struct Server)); |
692 |
|
|
|
693 |
|
|
return client_p->serv; |
694 |
|
|
} |
695 |
|
|
|
696 |
|
|
/* server_estab() |
697 |
|
|
* |
698 |
|
|
* inputs - pointer to a struct Client |
699 |
|
|
* output - |
700 |
|
|
* side effects - |
701 |
|
|
*/ |
702 |
|
|
void |
703 |
|
|
server_estab(struct Client *client_p) |
704 |
|
|
{ |
705 |
|
|
struct Client *target_p; |
706 |
|
|
struct ConfItem *conf; |
707 |
|
|
struct AccessItem *aconf=NULL; |
708 |
|
|
char *host; |
709 |
|
|
const char *inpath; |
710 |
|
|
static char inpath_ip[HOSTLEN * 2 + USERLEN + 6]; |
711 |
|
|
dlink_node *ptr; |
712 |
michael |
1305 |
#ifdef HAVE_LIBCRYPTO |
713 |
|
|
const COMP_METHOD *compression = NULL, *expansion = NULL; |
714 |
|
|
#endif |
715 |
adx |
30 |
|
716 |
|
|
assert(client_p != NULL); |
717 |
|
|
|
718 |
|
|
strlcpy(inpath_ip, get_client_name(client_p, SHOW_IP), sizeof(inpath_ip)); |
719 |
|
|
|
720 |
|
|
inpath = get_client_name(client_p, MASK_IP); /* "refresh" inpath with host */ |
721 |
|
|
host = client_p->name; |
722 |
|
|
|
723 |
|
|
if ((conf = find_conf_name(&client_p->localClient->confs, host, SERVER_TYPE)) |
724 |
|
|
== NULL) |
725 |
|
|
{ |
726 |
|
|
/* This shouldn't happen, better tell the ops... -A1kmm */ |
727 |
|
|
sendto_realops_flags(UMODE_ALL, L_ALL, "Warning: Lost connect{} block " |
728 |
|
|
"for server %s(this shouldn't happen)!", host); |
729 |
|
|
exit_client(client_p, &me, "Lost connect{} block!"); |
730 |
|
|
return; |
731 |
|
|
} |
732 |
|
|
|
733 |
|
|
MyFree(client_p->localClient->passwd); |
734 |
|
|
client_p->localClient->passwd = NULL; |
735 |
|
|
|
736 |
|
|
/* Its got identd, since its a server */ |
737 |
|
|
SetGotId(client_p); |
738 |
|
|
|
739 |
|
|
/* If there is something in the serv_list, it might be this |
740 |
|
|
* connecting server.. |
741 |
|
|
*/ |
742 |
|
|
if (!ServerInfo.hub && serv_list.head) |
743 |
|
|
{ |
744 |
|
|
if (client_p != serv_list.head->data || serv_list.head->next) |
745 |
|
|
{ |
746 |
michael |
896 |
++ServerStats.is_ref; |
747 |
adx |
30 |
sendto_one(client_p, "ERROR :I'm a leaf not a hub"); |
748 |
|
|
exit_client(client_p, &me, "I'm a leaf"); |
749 |
|
|
return; |
750 |
|
|
} |
751 |
|
|
} |
752 |
|
|
|
753 |
michael |
1115 |
aconf = map_to_conf(conf); |
754 |
adx |
30 |
|
755 |
michael |
1302 |
if (IsUnknown(client_p)) |
756 |
adx |
30 |
{ |
757 |
|
|
/* jdc -- 1. Use EmptyString(), not [0] index reference. |
758 |
|
|
* 2. Check aconf->spasswd, not aconf->passwd. |
759 |
|
|
*/ |
760 |
|
|
if (!EmptyString(aconf->spasswd)) |
761 |
michael |
1115 |
sendto_one(client_p, "PASS %s TS %d %s", |
762 |
|
|
aconf->spasswd, TS_CURRENT, me.id); |
763 |
adx |
30 |
|
764 |
|
|
/* Pass my info to the new server |
765 |
|
|
* |
766 |
|
|
* Pass on ZIP if supported |
767 |
|
|
* Pass on TB if supported. |
768 |
|
|
* - Dianora |
769 |
|
|
*/ |
770 |
|
|
|
771 |
michael |
1119 |
send_capabilities(client_p, aconf, |
772 |
michael |
1472 |
(IsConfTopicBurst(aconf) ? CAP_TBURST : 0)); |
773 |
adx |
30 |
|
774 |
|
|
sendto_one(client_p, "SERVER %s 1 :%s%s", |
775 |
michael |
1118 |
me.name, ConfigServerHide.hidden ? "(H) " : "", me.info); |
776 |
adx |
30 |
} |
777 |
|
|
|
778 |
michael |
1115 |
sendto_one(client_p, "SVINFO %d %d 0 :%lu", TS_CURRENT, TS_MIN, |
779 |
adx |
30 |
(unsigned long)CurrentTime); |
780 |
|
|
|
781 |
|
|
/* assumption here is if they passed the correct TS version, they also passed an SID */ |
782 |
|
|
if (IsCapable(client_p, CAP_TS6)) |
783 |
|
|
hash_add_id(client_p); |
784 |
|
|
|
785 |
|
|
/* XXX Does this ever happen? I don't think so -db */ |
786 |
|
|
detach_conf(client_p, OPER_TYPE); |
787 |
|
|
|
788 |
|
|
/* *WARNING* |
789 |
|
|
** In the following code in place of plain server's |
790 |
|
|
** name we send what is returned by get_client_name |
791 |
|
|
** which may add the "sockhost" after the name. It's |
792 |
|
|
** *very* *important* that there is a SPACE between |
793 |
|
|
** the name and sockhost (if present). The receiving |
794 |
|
|
** server will start the information field from this |
795 |
|
|
** first blank and thus puts the sockhost into info. |
796 |
|
|
** ...a bit tricky, but you have been warned, besides |
797 |
|
|
** code is more neat this way... --msa |
798 |
|
|
*/ |
799 |
|
|
client_p->servptr = &me; |
800 |
|
|
|
801 |
|
|
if (IsClosing(client_p)) |
802 |
|
|
return; |
803 |
|
|
|
804 |
|
|
SetServer(client_p); |
805 |
|
|
|
806 |
|
|
/* Update the capability combination usage counts. -A1kmm */ |
807 |
|
|
set_chcap_usage_counts(client_p); |
808 |
|
|
|
809 |
|
|
/* Some day, all these lists will be consolidated *sigh* */ |
810 |
michael |
889 |
dlinkAdd(client_p, &client_p->lnode, &me.serv->server_list); |
811 |
adx |
30 |
|
812 |
michael |
1126 |
assert(dlinkFind(&unknown_list, client_p)); |
813 |
adx |
30 |
|
814 |
michael |
1126 |
dlink_move_node(&client_p->localClient->lclient_node, |
815 |
|
|
&unknown_list, &serv_list); |
816 |
adx |
30 |
|
817 |
|
|
Count.myserver++; |
818 |
|
|
|
819 |
|
|
dlinkAdd(client_p, make_dlink_node(), &global_serv_list); |
820 |
|
|
hash_add_client(client_p); |
821 |
|
|
|
822 |
|
|
/* doesnt duplicate client_p->serv if allocated this struct already */ |
823 |
|
|
make_server(client_p); |
824 |
|
|
|
825 |
|
|
/* fixing eob timings.. -gnp */ |
826 |
michael |
1241 |
client_p->localClient->firsttime = CurrentTime; |
827 |
adx |
30 |
|
828 |
michael |
1157 |
if (find_matching_name_conf(SERVICE_TYPE, client_p->name, NULL, NULL, 0)) |
829 |
michael |
1219 |
AddFlag(client_p, FLAGS_SERVICE); |
830 |
michael |
1157 |
|
831 |
adx |
30 |
/* Show the real host/IP to admins */ |
832 |
michael |
1305 |
#ifdef HAVE_LIBCRYPTO |
833 |
michael |
1303 |
if (client_p->localClient->fd.ssl) |
834 |
|
|
{ |
835 |
michael |
1305 |
compression = SSL_get_current_compression(client_p->localClient->fd.ssl); |
836 |
|
|
expansion = SSL_get_current_expansion(client_p->localClient->fd.ssl); |
837 |
|
|
|
838 |
michael |
1303 |
sendto_realops_flags(UMODE_ALL, L_ADMIN, |
839 |
michael |
1305 |
"Link with %s established: [SSL: %s, Compression/Expansion method: %s/%s] (Capabilities: %s)", |
840 |
michael |
1303 |
inpath_ip, ssl_get_cipher(client_p->localClient->fd.ssl), |
841 |
michael |
1305 |
compression ? SSL_COMP_get_name(compression) : "NONE", |
842 |
|
|
expansion ? SSL_COMP_get_name(expansion) : "NONE", |
843 |
michael |
1303 |
show_capabilities(client_p)); |
844 |
|
|
/* Now show the masked hostname/IP to opers */ |
845 |
|
|
sendto_realops_flags(UMODE_ALL, L_OPER, |
846 |
michael |
1305 |
"Link with %s established: [SSL: %s, Compression/Expansion method: %s/%s] (Capabilities: %s)", |
847 |
michael |
1303 |
inpath, ssl_get_cipher(client_p->localClient->fd.ssl), |
848 |
michael |
1305 |
compression ? SSL_COMP_get_name(compression) : "NONE", |
849 |
|
|
expansion ? SSL_COMP_get_name(expansion) : "NONE", |
850 |
michael |
1303 |
show_capabilities(client_p)); |
851 |
michael |
1305 |
ilog(LOG_TYPE_IRCD, "Link with %s established: [SSL: %s, Compression/Expansion method: %s/%s] (Capabilities: %s)", |
852 |
michael |
1303 |
inpath_ip, ssl_get_cipher(client_p->localClient->fd.ssl), |
853 |
michael |
1305 |
compression ? SSL_COMP_get_name(compression) : "NONE", |
854 |
|
|
expansion ? SSL_COMP_get_name(expansion) : "NONE", |
855 |
michael |
1303 |
show_capabilities(client_p)); |
856 |
|
|
} |
857 |
|
|
else |
858 |
michael |
1305 |
#endif |
859 |
michael |
1303 |
{ |
860 |
|
|
sendto_realops_flags(UMODE_ALL, L_ADMIN, |
861 |
|
|
"Link with %s established: (Capabilities: %s)", |
862 |
|
|
inpath_ip,show_capabilities(client_p)); |
863 |
|
|
/* Now show the masked hostname/IP to opers */ |
864 |
|
|
sendto_realops_flags(UMODE_ALL, L_OPER, |
865 |
|
|
"Link with %s established: (Capabilities: %s)", |
866 |
|
|
inpath,show_capabilities(client_p)); |
867 |
|
|
ilog(LOG_TYPE_IRCD, "Link with %s established: (Capabilities: %s)", |
868 |
|
|
inpath_ip, show_capabilities(client_p)); |
869 |
|
|
} |
870 |
adx |
30 |
|
871 |
michael |
1302 |
fd_note(&client_p->localClient->fd, "Server: %s", client_p->name); |
872 |
adx |
30 |
|
873 |
|
|
/* Old sendto_serv_but_one() call removed because we now |
874 |
|
|
** need to send different names to different servers |
875 |
|
|
** (domain name matching) Send new server to other servers. |
876 |
|
|
*/ |
877 |
|
|
DLINK_FOREACH(ptr, serv_list.head) |
878 |
|
|
{ |
879 |
|
|
target_p = ptr->data; |
880 |
|
|
|
881 |
|
|
if (target_p == client_p) |
882 |
|
|
continue; |
883 |
|
|
|
884 |
|
|
if (IsCapable(target_p, CAP_TS6) && HasID(client_p)) |
885 |
|
|
sendto_one(target_p, ":%s SID %s 2 %s :%s%s", |
886 |
|
|
me.id, client_p->name, client_p->id, |
887 |
|
|
IsHidden(client_p) ? "(H) " : "", |
888 |
|
|
client_p->info); |
889 |
|
|
else |
890 |
|
|
sendto_one(target_p,":%s SERVER %s 2 :%s%s", |
891 |
|
|
me.name, client_p->name, |
892 |
|
|
IsHidden(client_p) ? "(H) " : "", |
893 |
|
|
client_p->info); |
894 |
|
|
} |
895 |
|
|
|
896 |
|
|
/* Pass on my client information to the new server |
897 |
|
|
** |
898 |
|
|
** First, pass only servers (idea is that if the link gets |
899 |
|
|
** cancelled beacause the server was already there, |
900 |
|
|
** there are no NICK's to be cancelled...). Of course, |
901 |
|
|
** if cancellation occurs, all this info is sent anyway, |
902 |
|
|
** and I guess the link dies when a read is attempted...? --msa |
903 |
|
|
** |
904 |
|
|
** Note: Link cancellation to occur at this point means |
905 |
|
|
** that at least two servers from my fragment are building |
906 |
|
|
** up connection this other fragment at the same time, it's |
907 |
|
|
** a race condition, not the normal way of operation... |
908 |
|
|
** |
909 |
|
|
** ALSO NOTE: using the get_client_name for server names-- |
910 |
|
|
** see previous *WARNING*!!! (Also, original inpath |
911 |
|
|
** is destroyed...) |
912 |
|
|
*/ |
913 |
|
|
|
914 |
|
|
DLINK_FOREACH_PREV(ptr, global_serv_list.tail) |
915 |
|
|
{ |
916 |
|
|
target_p = ptr->data; |
917 |
|
|
|
918 |
|
|
/* target_p->from == target_p for target_p == client_p */ |
919 |
michael |
1118 |
if (IsMe(target_p) || target_p->from == client_p) |
920 |
adx |
30 |
continue; |
921 |
|
|
|
922 |
|
|
if (IsCapable(client_p, CAP_TS6)) |
923 |
|
|
{ |
924 |
|
|
if (HasID(target_p)) |
925 |
|
|
sendto_one(client_p, ":%s SID %s %d %s :%s%s", |
926 |
|
|
ID(target_p->servptr), target_p->name, target_p->hopcount+1, |
927 |
|
|
target_p->id, IsHidden(target_p) ? "(H) " : "", |
928 |
|
|
target_p->info); |
929 |
|
|
else /* introducing non-ts6 server */ |
930 |
|
|
sendto_one(client_p, ":%s SERVER %s %d :%s%s", |
931 |
|
|
ID(target_p->servptr), target_p->name, target_p->hopcount+1, |
932 |
|
|
IsHidden(target_p) ? "(H) " : "", target_p->info); |
933 |
|
|
} |
934 |
|
|
else |
935 |
|
|
sendto_one(client_p, ":%s SERVER %s %d :%s%s", |
936 |
|
|
target_p->servptr->name, target_p->name, target_p->hopcount+1, |
937 |
|
|
IsHidden(target_p) ? "(H) " : "", target_p->info); |
938 |
|
|
} |
939 |
|
|
|
940 |
|
|
server_burst(client_p); |
941 |
|
|
} |
942 |
|
|
|
943 |
|
|
/* server_burst() |
944 |
|
|
* |
945 |
|
|
* inputs - struct Client pointer server |
946 |
|
|
* - |
947 |
|
|
* output - none |
948 |
|
|
* side effects - send a server burst |
949 |
|
|
* bugs - still too long |
950 |
|
|
*/ |
951 |
|
|
static void |
952 |
|
|
server_burst(struct Client *client_p) |
953 |
|
|
{ |
954 |
|
|
/* Send it in the shortened format with the TS, if |
955 |
|
|
** it's a TS server; walk the list of channels, sending |
956 |
|
|
** all the nicks that haven't been sent yet for each |
957 |
|
|
** channel, then send the channel itself -- it's less |
958 |
|
|
** obvious than sending all nicks first, but on the |
959 |
|
|
** receiving side memory will be allocated more nicely |
960 |
|
|
** saving a few seconds in the handling of a split |
961 |
|
|
** -orabidoo |
962 |
|
|
*/ |
963 |
|
|
|
964 |
michael |
885 |
burst_all(client_p); |
965 |
adx |
30 |
|
966 |
|
|
/* EOB stuff is now in burst_all */ |
967 |
|
|
/* Always send a PING after connect burst is done */ |
968 |
|
|
sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p)); |
969 |
|
|
} |
970 |
|
|
|
971 |
|
|
/* burst_all() |
972 |
|
|
* |
973 |
|
|
* inputs - pointer to server to send burst to |
974 |
|
|
* output - NONE |
975 |
|
|
* side effects - complete burst of channels/nicks is sent to client_p |
976 |
|
|
*/ |
977 |
|
|
static void |
978 |
|
|
burst_all(struct Client *client_p) |
979 |
|
|
{ |
980 |
michael |
329 |
dlink_node *ptr = NULL; |
981 |
adx |
30 |
|
982 |
michael |
329 |
DLINK_FOREACH(ptr, global_channel_list.head) |
983 |
adx |
30 |
{ |
984 |
michael |
329 |
struct Channel *chptr = ptr->data; |
985 |
adx |
30 |
|
986 |
|
|
if (dlink_list_length(&chptr->members) != 0) |
987 |
|
|
{ |
988 |
|
|
burst_members(client_p, chptr); |
989 |
|
|
send_channel_modes(client_p, chptr); |
990 |
michael |
329 |
|
991 |
michael |
1472 |
if (IsCapable(client_p, CAP_TBURST)) |
992 |
adx |
30 |
send_tb(client_p, chptr); |
993 |
|
|
} |
994 |
|
|
} |
995 |
|
|
|
996 |
|
|
/* also send out those that are not on any channel |
997 |
|
|
*/ |
998 |
|
|
DLINK_FOREACH(ptr, global_client_list.head) |
999 |
|
|
{ |
1000 |
michael |
329 |
struct Client *target_p = ptr->data; |
1001 |
adx |
30 |
|
1002 |
michael |
1219 |
if (!HasFlag(target_p, FLAGS_BURSTED) && target_p->from != client_p) |
1003 |
adx |
30 |
sendnick_TS(client_p, target_p); |
1004 |
|
|
|
1005 |
michael |
1219 |
DelFlag(target_p, FLAGS_BURSTED); |
1006 |
adx |
30 |
} |
1007 |
|
|
|
1008 |
|
|
/* We send the time we started the burst, and let the remote host determine an EOB time, |
1009 |
|
|
** as otherwise we end up sending a EOB of 0 Sending here means it gets sent last -- fl |
1010 |
|
|
*/ |
1011 |
|
|
/* Its simpler to just send EOB and use the time its been connected.. --fl_ */ |
1012 |
|
|
if (IsCapable(client_p, CAP_EOB)) |
1013 |
|
|
sendto_one(client_p, ":%s EOB", ID_or_name(&me, client_p)); |
1014 |
|
|
} |
1015 |
|
|
|
1016 |
|
|
/* |
1017 |
|
|
* send_tb |
1018 |
|
|
* |
1019 |
michael |
329 |
* inputs - pointer to Client |
1020 |
|
|
* - pointer to channel |
1021 |
|
|
* output - NONE |
1022 |
|
|
* side effects - Called on a server burst when |
1023 |
michael |
1472 |
* server is CAP_TBURST capable |
1024 |
adx |
30 |
*/ |
1025 |
|
|
static void |
1026 |
|
|
send_tb(struct Client *client_p, struct Channel *chptr) |
1027 |
|
|
{ |
1028 |
michael |
329 |
/* |
1029 |
michael |
337 |
* We may also send an empty topic here, but only if topic_time isn't 0, |
1030 |
|
|
* i.e. if we had a topic that got unset. This is required for syncing |
1031 |
|
|
* topics properly. |
1032 |
|
|
* |
1033 |
|
|
* Imagine the following scenario: Our downlink introduces a channel |
1034 |
|
|
* to us with a TS that is equal to ours, but the channel topic on |
1035 |
|
|
* their side got unset while the servers were in splitmode, which means |
1036 |
|
|
* their 'topic' is newer. They simply wanted to unset it, so we have to |
1037 |
|
|
* deal with it in a more sophisticated fashion instead of just resetting |
1038 |
|
|
* it to their old topic they had before. Read m_tburst.c:ms_tburst |
1039 |
|
|
* for further information -Michael |
1040 |
michael |
329 |
*/ |
1041 |
michael |
337 |
if (chptr->topic_time != 0) |
1042 |
michael |
1472 |
sendto_one(client_p, ":%s TBURST %lu %s %lu %s :%s", |
1043 |
|
|
ID_or_name(&me, client_p), |
1044 |
|
|
(unsigned long)chptr->channelts, chptr->chname, |
1045 |
|
|
(unsigned long)chptr->topic_time, |
1046 |
|
|
chptr->topic_info, |
1047 |
|
|
chptr->topic); |
1048 |
adx |
30 |
} |
1049 |
|
|
|
1050 |
|
|
/* burst_members() |
1051 |
|
|
* |
1052 |
|
|
* inputs - pointer to server to send members to |
1053 |
|
|
* - dlink_list pointer to membership list to send |
1054 |
|
|
* output - NONE |
1055 |
|
|
* side effects - |
1056 |
|
|
*/ |
1057 |
|
|
static void |
1058 |
|
|
burst_members(struct Client *client_p, struct Channel *chptr) |
1059 |
|
|
{ |
1060 |
|
|
struct Client *target_p; |
1061 |
|
|
struct Membership *ms; |
1062 |
|
|
dlink_node *ptr; |
1063 |
|
|
|
1064 |
|
|
DLINK_FOREACH(ptr, chptr->members.head) |
1065 |
|
|
{ |
1066 |
|
|
ms = ptr->data; |
1067 |
|
|
target_p = ms->client_p; |
1068 |
|
|
|
1069 |
michael |
1219 |
if (!HasFlag(target_p, FLAGS_BURSTED)) |
1070 |
adx |
30 |
{ |
1071 |
michael |
1219 |
AddFlag(target_p, FLAGS_BURSTED); |
1072 |
adx |
30 |
|
1073 |
|
|
if (target_p->from != client_p) |
1074 |
|
|
sendnick_TS(client_p, target_p); |
1075 |
|
|
} |
1076 |
|
|
} |
1077 |
|
|
} |
1078 |
|
|
|
1079 |
|
|
/* New server connection code |
1080 |
|
|
* Based upon the stuff floating about in s_bsd.c |
1081 |
|
|
* -- adrian |
1082 |
|
|
*/ |
1083 |
|
|
|
1084 |
|
|
/* serv_connect() - initiate a server connection |
1085 |
|
|
* |
1086 |
|
|
* inputs - pointer to conf |
1087 |
|
|
* - pointer to client doing the connect |
1088 |
|
|
* output - |
1089 |
|
|
* side effects - |
1090 |
|
|
* |
1091 |
|
|
* This code initiates a connection to a server. It first checks to make |
1092 |
|
|
* sure the given server exists. If this is the case, it creates a socket, |
1093 |
|
|
* creates a client, saves the socket information in the client, and |
1094 |
|
|
* initiates a connection to the server through comm_connect_tcp(). The |
1095 |
|
|
* completion of this goes through serv_completed_connection(). |
1096 |
|
|
* |
1097 |
|
|
* We return 1 if the connection is attempted, since we don't know whether |
1098 |
|
|
* it suceeded or not, and 0 if it fails in here somewhere. |
1099 |
|
|
*/ |
1100 |
|
|
int |
1101 |
|
|
serv_connect(struct AccessItem *aconf, struct Client *by) |
1102 |
|
|
{ |
1103 |
|
|
struct ConfItem *conf; |
1104 |
|
|
struct Client *client_p; |
1105 |
michael |
1398 |
char buf[HOSTIPLEN + 1]; |
1106 |
adx |
30 |
|
1107 |
|
|
/* conversion structs */ |
1108 |
|
|
struct sockaddr_in *v4; |
1109 |
|
|
/* Make sure aconf is useful */ |
1110 |
|
|
assert(aconf != NULL); |
1111 |
|
|
|
1112 |
|
|
/* XXX should be passing struct ConfItem in the first place */ |
1113 |
|
|
conf = unmap_conf_item(aconf); |
1114 |
|
|
|
1115 |
|
|
/* log */ |
1116 |
michael |
1389 |
getnameinfo((struct sockaddr *)&aconf->addr, aconf->addr.ss_len, |
1117 |
michael |
1123 |
buf, sizeof(buf), NULL, 0, NI_NUMERICHOST); |
1118 |
michael |
1413 |
ilog(LOG_TYPE_IRCD, "Connect to %s[%s] @%s", conf->name, aconf->host, |
1119 |
adx |
30 |
buf); |
1120 |
|
|
|
1121 |
|
|
/* Still processing a DNS lookup? -> exit */ |
1122 |
michael |
992 |
if (aconf->dns_pending) |
1123 |
adx |
30 |
{ |
1124 |
michael |
992 |
sendto_realops_flags(UMODE_ALL, L_ALL, |
1125 |
|
|
"Error connecting to %s: DNS lookup for connect{} in progress.", |
1126 |
|
|
conf->name); |
1127 |
adx |
30 |
return (0); |
1128 |
|
|
} |
1129 |
|
|
|
1130 |
michael |
992 |
if (aconf->dns_failed) |
1131 |
|
|
{ |
1132 |
|
|
sendto_realops_flags(UMODE_ALL, L_ALL, |
1133 |
|
|
"Error connecting to %s: DNS lookup for connect{} failed.", |
1134 |
|
|
conf->name); |
1135 |
|
|
return (0); |
1136 |
|
|
} |
1137 |
|
|
|
1138 |
adx |
30 |
/* Make sure this server isn't already connected |
1139 |
|
|
* Note: aconf should ALWAYS be a valid C: line |
1140 |
|
|
*/ |
1141 |
michael |
1169 |
if ((client_p = hash_find_server(conf->name)) != NULL) |
1142 |
adx |
30 |
{ |
1143 |
|
|
sendto_realops_flags(UMODE_ALL, L_ADMIN, |
1144 |
|
|
"Server %s already present from %s", |
1145 |
|
|
conf->name, get_client_name(client_p, SHOW_IP)); |
1146 |
|
|
sendto_realops_flags(UMODE_ALL, L_OPER, |
1147 |
|
|
"Server %s already present from %s", |
1148 |
|
|
conf->name, get_client_name(client_p, MASK_IP)); |
1149 |
|
|
if (by && IsClient(by) && !MyClient(by)) |
1150 |
|
|
sendto_one(by, ":%s NOTICE %s :Server %s already present from %s", |
1151 |
|
|
me.name, by->name, conf->name, |
1152 |
|
|
get_client_name(client_p, MASK_IP)); |
1153 |
|
|
return (0); |
1154 |
|
|
} |
1155 |
|
|
|
1156 |
|
|
/* Create a local client */ |
1157 |
|
|
client_p = make_client(NULL); |
1158 |
|
|
|
1159 |
|
|
/* Copy in the server, hostname, fd */ |
1160 |
|
|
strlcpy(client_p->name, conf->name, sizeof(client_p->name)); |
1161 |
|
|
strlcpy(client_p->host, aconf->host, sizeof(client_p->host)); |
1162 |
|
|
|
1163 |
|
|
/* We already converted the ip once, so lets use it - stu */ |
1164 |
michael |
1115 |
strlcpy(client_p->sockhost, buf, sizeof(client_p->sockhost)); |
1165 |
adx |
30 |
|
1166 |
|
|
/* create a socket for the server connection */ |
1167 |
michael |
1389 |
if (comm_open(&client_p->localClient->fd, aconf->addr.ss.ss_family, |
1168 |
adx |
30 |
SOCK_STREAM, 0, NULL) < 0) |
1169 |
|
|
{ |
1170 |
|
|
/* Eek, failure to create the socket */ |
1171 |
|
|
report_error(L_ALL, |
1172 |
|
|
"opening stream socket to %s: %s", conf->name, errno); |
1173 |
|
|
SetDead(client_p); |
1174 |
|
|
exit_client(client_p, &me, "Connection failed"); |
1175 |
|
|
return (0); |
1176 |
|
|
} |
1177 |
|
|
|
1178 |
|
|
/* servernames are always guaranteed under HOSTLEN chars */ |
1179 |
|
|
fd_note(&client_p->localClient->fd, "Server: %s", conf->name); |
1180 |
|
|
|
1181 |
|
|
/* Attach config entries to client here rather than in |
1182 |
|
|
* serv_connect_callback(). This to avoid null pointer references. |
1183 |
|
|
*/ |
1184 |
|
|
if (!attach_connect_block(client_p, conf->name, aconf->host)) |
1185 |
|
|
{ |
1186 |
|
|
sendto_realops_flags(UMODE_ALL, L_ALL, |
1187 |
|
|
"Host %s is not enabled for connecting:no C/N-line", |
1188 |
|
|
conf->name); |
1189 |
|
|
if (by && IsClient(by) && !MyClient(by)) |
1190 |
|
|
sendto_one(by, ":%s NOTICE %s :Connect to host %s failed.", |
1191 |
|
|
me.name, by->name, client_p->name); |
1192 |
|
|
SetDead(client_p); |
1193 |
|
|
exit_client(client_p, client_p, "Connection failed"); |
1194 |
|
|
return (0); |
1195 |
|
|
} |
1196 |
|
|
|
1197 |
|
|
/* at this point we have a connection in progress and C/N lines |
1198 |
|
|
* attached to the client, the socket info should be saved in the |
1199 |
|
|
* client and it should either be resolved or have a valid address. |
1200 |
|
|
* |
1201 |
|
|
* The socket has been connected or connect is in progress. |
1202 |
|
|
*/ |
1203 |
|
|
make_server(client_p); |
1204 |
|
|
|
1205 |
|
|
if (by && IsClient(by)) |
1206 |
|
|
strlcpy(client_p->serv->by, by->name, sizeof(client_p->serv->by)); |
1207 |
|
|
else |
1208 |
|
|
strlcpy(client_p->serv->by, "AutoConn.", sizeof(client_p->serv->by)); |
1209 |
|
|
|
1210 |
|
|
SetConnecting(client_p); |
1211 |
|
|
dlinkAdd(client_p, &client_p->node, &global_client_list); |
1212 |
|
|
/* from def_fam */ |
1213 |
|
|
client_p->localClient->aftype = aconf->aftype; |
1214 |
|
|
|
1215 |
|
|
/* Now, initiate the connection */ |
1216 |
|
|
/* XXX assume that a non 0 type means a specific bind address |
1217 |
|
|
* for this connect. |
1218 |
|
|
*/ |
1219 |
|
|
switch (aconf->aftype) |
1220 |
|
|
{ |
1221 |
|
|
case AF_INET: |
1222 |
michael |
1389 |
v4 = (struct sockaddr_in*)&aconf->bind; |
1223 |
adx |
30 |
if (v4->sin_addr.s_addr != 0) |
1224 |
|
|
{ |
1225 |
|
|
struct irc_ssaddr ipn; |
1226 |
|
|
memset(&ipn, 0, sizeof(struct irc_ssaddr)); |
1227 |
|
|
ipn.ss.ss_family = AF_INET; |
1228 |
|
|
ipn.ss_port = 0; |
1229 |
michael |
1389 |
memcpy(&ipn, &aconf->bind, sizeof(struct irc_ssaddr)); |
1230 |
adx |
30 |
comm_connect_tcp(&client_p->localClient->fd, aconf->host, aconf->port, |
1231 |
|
|
(struct sockaddr *)&ipn, ipn.ss_len, |
1232 |
|
|
serv_connect_callback, client_p, aconf->aftype, |
1233 |
|
|
CONNECTTIMEOUT); |
1234 |
|
|
} |
1235 |
|
|
else if (ServerInfo.specific_ipv4_vhost) |
1236 |
|
|
{ |
1237 |
|
|
struct irc_ssaddr ipn; |
1238 |
|
|
memset(&ipn, 0, sizeof(struct irc_ssaddr)); |
1239 |
|
|
ipn.ss.ss_family = AF_INET; |
1240 |
|
|
ipn.ss_port = 0; |
1241 |
|
|
memcpy(&ipn, &ServerInfo.ip, sizeof(struct irc_ssaddr)); |
1242 |
|
|
comm_connect_tcp(&client_p->localClient->fd, aconf->host, aconf->port, |
1243 |
|
|
(struct sockaddr *)&ipn, ipn.ss_len, |
1244 |
|
|
serv_connect_callback, client_p, aconf->aftype, |
1245 |
|
|
CONNECTTIMEOUT); |
1246 |
|
|
} |
1247 |
|
|
else |
1248 |
|
|
comm_connect_tcp(&client_p->localClient->fd, aconf->host, aconf->port, |
1249 |
|
|
NULL, 0, serv_connect_callback, client_p, aconf->aftype, |
1250 |
|
|
CONNECTTIMEOUT); |
1251 |
|
|
break; |
1252 |
|
|
#ifdef IPV6 |
1253 |
|
|
case AF_INET6: |
1254 |
|
|
{ |
1255 |
|
|
struct irc_ssaddr ipn; |
1256 |
|
|
struct sockaddr_in6 *v6; |
1257 |
|
|
struct sockaddr_in6 *v6conf; |
1258 |
|
|
|
1259 |
|
|
memset(&ipn, 0, sizeof(struct irc_ssaddr)); |
1260 |
michael |
1389 |
v6conf = (struct sockaddr_in6 *)&aconf->bind; |
1261 |
adx |
30 |
v6 = (struct sockaddr_in6 *)&ipn; |
1262 |
|
|
|
1263 |
|
|
if (memcmp(&v6conf->sin6_addr, &v6->sin6_addr, |
1264 |
|
|
sizeof(struct in6_addr)) != 0) |
1265 |
|
|
{ |
1266 |
michael |
1389 |
memcpy(&ipn, &aconf->bind, sizeof(struct irc_ssaddr)); |
1267 |
adx |
30 |
ipn.ss.ss_family = AF_INET6; |
1268 |
|
|
ipn.ss_port = 0; |
1269 |
|
|
comm_connect_tcp(&client_p->localClient->fd, |
1270 |
|
|
aconf->host, aconf->port, |
1271 |
|
|
(struct sockaddr *)&ipn, ipn.ss_len, |
1272 |
|
|
serv_connect_callback, client_p, |
1273 |
|
|
aconf->aftype, CONNECTTIMEOUT); |
1274 |
|
|
} |
1275 |
|
|
else if (ServerInfo.specific_ipv6_vhost) |
1276 |
|
|
{ |
1277 |
|
|
memcpy(&ipn, &ServerInfo.ip6, sizeof(struct irc_ssaddr)); |
1278 |
|
|
ipn.ss.ss_family = AF_INET6; |
1279 |
|
|
ipn.ss_port = 0; |
1280 |
|
|
comm_connect_tcp(&client_p->localClient->fd, |
1281 |
|
|
aconf->host, aconf->port, |
1282 |
|
|
(struct sockaddr *)&ipn, ipn.ss_len, |
1283 |
|
|
serv_connect_callback, client_p, |
1284 |
|
|
aconf->aftype, CONNECTTIMEOUT); |
1285 |
|
|
} |
1286 |
|
|
else |
1287 |
|
|
comm_connect_tcp(&client_p->localClient->fd, |
1288 |
|
|
aconf->host, aconf->port, |
1289 |
|
|
NULL, 0, serv_connect_callback, client_p, |
1290 |
|
|
aconf->aftype, CONNECTTIMEOUT); |
1291 |
|
|
} |
1292 |
|
|
#endif |
1293 |
|
|
} |
1294 |
|
|
return (1); |
1295 |
|
|
} |
1296 |
|
|
|
1297 |
michael |
1303 |
#ifdef HAVE_LIBCRYPTO |
1298 |
|
|
static void |
1299 |
|
|
finish_ssl_server_handshake(struct Client *client_p) |
1300 |
|
|
{ |
1301 |
|
|
struct ConfItem *conf=NULL; |
1302 |
|
|
struct AccessItem *aconf=NULL; |
1303 |
|
|
|
1304 |
|
|
conf = find_conf_name(&client_p->localClient->confs, |
1305 |
|
|
client_p->name, SERVER_TYPE); |
1306 |
|
|
if (conf == NULL) |
1307 |
|
|
{ |
1308 |
|
|
sendto_realops_flags(UMODE_ALL, L_ADMIN, |
1309 |
|
|
"Lost connect{} block for %s", get_client_name(client_p, HIDE_IP)); |
1310 |
|
|
sendto_realops_flags(UMODE_ALL, L_OPER, |
1311 |
|
|
"Lost connect{} block for %s", get_client_name(client_p, MASK_IP)); |
1312 |
|
|
|
1313 |
|
|
exit_client(client_p, &me, "Lost connect{} block"); |
1314 |
|
|
return; |
1315 |
|
|
} |
1316 |
|
|
|
1317 |
|
|
aconf = map_to_conf(conf); |
1318 |
|
|
|
1319 |
|
|
/* jdc -- Check and send spasswd, not passwd. */ |
1320 |
|
|
if (!EmptyString(aconf->spasswd)) |
1321 |
|
|
sendto_one(client_p, "PASS %s TS %d %s", |
1322 |
|
|
aconf->spasswd, TS_CURRENT, me.id); |
1323 |
|
|
|
1324 |
|
|
send_capabilities(client_p, aconf, |
1325 |
michael |
1472 |
(IsConfTopicBurst(aconf) ? CAP_TBURST : 0)); |
1326 |
michael |
1303 |
|
1327 |
|
|
sendto_one(client_p, "SERVER %s 1 :%s%s", |
1328 |
|
|
me.name, ConfigServerHide.hidden ? "(H) " : "", |
1329 |
|
|
me.info); |
1330 |
|
|
|
1331 |
|
|
/* If we've been marked dead because a send failed, just exit |
1332 |
|
|
* here now and save everyone the trouble of us ever existing. |
1333 |
|
|
*/ |
1334 |
|
|
if (IsDead(client_p)) |
1335 |
|
|
{ |
1336 |
|
|
sendto_realops_flags(UMODE_ALL, L_ADMIN, |
1337 |
|
|
"%s[%s] went dead during handshake", |
1338 |
|
|
client_p->name, |
1339 |
|
|
client_p->host); |
1340 |
|
|
sendto_realops_flags(UMODE_ALL, L_OPER, |
1341 |
|
|
"%s went dead during handshake", client_p->name); |
1342 |
|
|
return; |
1343 |
|
|
} |
1344 |
|
|
|
1345 |
|
|
/* don't move to serv_list yet -- we haven't sent a burst! */ |
1346 |
|
|
/* If we get here, we're ok, so lets start reading some data */ |
1347 |
|
|
comm_setselect(&client_p->localClient->fd, COMM_SELECT_READ, read_packet, client_p, 0); |
1348 |
|
|
} |
1349 |
|
|
|
1350 |
|
|
static void |
1351 |
michael |
1306 |
ssl_server_handshake(fde_t *fd, struct Client *client_p) |
1352 |
michael |
1303 |
{ |
1353 |
|
|
int ret; |
1354 |
|
|
int err; |
1355 |
|
|
|
1356 |
|
|
ret = SSL_connect(client_p->localClient->fd.ssl); |
1357 |
|
|
|
1358 |
|
|
if (ret <= 0) |
1359 |
|
|
{ |
1360 |
|
|
switch ((err = SSL_get_error(client_p->localClient->fd.ssl, ret))) |
1361 |
|
|
{ |
1362 |
|
|
case SSL_ERROR_WANT_WRITE: |
1363 |
|
|
comm_setselect(&client_p->localClient->fd, COMM_SELECT_WRITE, |
1364 |
michael |
1308 |
(PF *)ssl_server_handshake, client_p, 0); |
1365 |
michael |
1303 |
return; |
1366 |
|
|
case SSL_ERROR_WANT_READ: |
1367 |
|
|
comm_setselect(&client_p->localClient->fd, COMM_SELECT_READ, |
1368 |
michael |
1308 |
(PF *)ssl_server_handshake, client_p, 0); |
1369 |
michael |
1303 |
return; |
1370 |
|
|
default: |
1371 |
michael |
1308 |
{ |
1372 |
|
|
const char *sslerr = ERR_error_string(ERR_get_error(), NULL); |
1373 |
|
|
sendto_realops_flags(UMODE_ALL, L_ALL, |
1374 |
|
|
"Error connecting to %s: %s", client_p->name, |
1375 |
|
|
sslerr ? sslerr : "unknown SSL error"); |
1376 |
michael |
1303 |
exit_client(client_p, client_p, "Error during SSL handshake"); |
1377 |
|
|
return; |
1378 |
michael |
1308 |
} |
1379 |
michael |
1303 |
} |
1380 |
|
|
} |
1381 |
|
|
|
1382 |
|
|
finish_ssl_server_handshake(client_p); |
1383 |
|
|
} |
1384 |
|
|
|
1385 |
|
|
static void |
1386 |
michael |
1306 |
ssl_connect_init(struct Client *client_p, struct AccessItem *aconf, fde_t *fd) |
1387 |
michael |
1303 |
{ |
1388 |
|
|
if ((client_p->localClient->fd.ssl = SSL_new(ServerInfo.client_ctx)) == NULL) |
1389 |
|
|
{ |
1390 |
|
|
ilog(LOG_TYPE_IRCD, "SSL_new() ERROR! -- %s", |
1391 |
|
|
ERR_error_string(ERR_get_error(), NULL)); |
1392 |
|
|
SetDead(client_p); |
1393 |
|
|
exit_client(client_p, client_p, "SSL_new failed"); |
1394 |
|
|
return; |
1395 |
|
|
} |
1396 |
|
|
|
1397 |
|
|
SSL_set_fd(fd->ssl, fd->fd); |
1398 |
michael |
1306 |
|
1399 |
|
|
if (!EmptyString(aconf->cipher_list)) |
1400 |
|
|
SSL_set_cipher_list(client_p->localClient->fd.ssl, aconf->cipher_list); |
1401 |
|
|
|
1402 |
|
|
ssl_server_handshake(NULL, client_p); |
1403 |
michael |
1303 |
} |
1404 |
|
|
#endif |
1405 |
|
|
|
1406 |
adx |
30 |
/* serv_connect_callback() - complete a server connection. |
1407 |
|
|
* |
1408 |
|
|
* This routine is called after the server connection attempt has |
1409 |
|
|
* completed. If unsucessful, an error is sent to ops and the client |
1410 |
|
|
* is closed. If sucessful, it goes through the initialisation/check |
1411 |
|
|
* procedures, the capabilities are sent, and the socket is then |
1412 |
|
|
* marked for reading. |
1413 |
|
|
*/ |
1414 |
|
|
static void |
1415 |
|
|
serv_connect_callback(fde_t *fd, int status, void *data) |
1416 |
|
|
{ |
1417 |
|
|
struct Client *client_p = data; |
1418 |
|
|
struct ConfItem *conf=NULL; |
1419 |
|
|
struct AccessItem *aconf=NULL; |
1420 |
|
|
|
1421 |
|
|
/* First, make sure its a real client! */ |
1422 |
|
|
assert(client_p != NULL); |
1423 |
|
|
assert(&client_p->localClient->fd == fd); |
1424 |
|
|
|
1425 |
|
|
/* Next, for backward purposes, record the ip of the server */ |
1426 |
|
|
memcpy(&client_p->localClient->ip, &fd->connect.hostaddr, |
1427 |
|
|
sizeof(struct irc_ssaddr)); |
1428 |
|
|
/* Check the status */ |
1429 |
|
|
if (status != COMM_OK) |
1430 |
|
|
{ |
1431 |
|
|
/* We have an error, so report it and quit |
1432 |
|
|
* Admins get to see any IP, mere opers don't *sigh* |
1433 |
|
|
*/ |
1434 |
|
|
if (ConfigServerHide.hide_server_ips) |
1435 |
|
|
sendto_realops_flags(UMODE_ALL, L_ADMIN, |
1436 |
|
|
"Error connecting to %s: %s", |
1437 |
|
|
client_p->name, comm_errstr(status)); |
1438 |
|
|
else |
1439 |
|
|
sendto_realops_flags(UMODE_ALL, L_ADMIN, |
1440 |
|
|
"Error connecting to %s[%s]: %s", client_p->name, |
1441 |
|
|
client_p->host, comm_errstr(status)); |
1442 |
|
|
|
1443 |
|
|
sendto_realops_flags(UMODE_ALL, L_OPER, |
1444 |
|
|
"Error connecting to %s: %s", |
1445 |
|
|
client_p->name, comm_errstr(status)); |
1446 |
|
|
|
1447 |
|
|
/* If a fd goes bad, call dead_link() the socket is no |
1448 |
|
|
* longer valid for reading or writing. |
1449 |
|
|
*/ |
1450 |
|
|
dead_link_on_write(client_p, 0); |
1451 |
|
|
return; |
1452 |
|
|
} |
1453 |
|
|
|
1454 |
|
|
/* COMM_OK, so continue the connection procedure */ |
1455 |
|
|
/* Get the C/N lines */ |
1456 |
|
|
conf = find_conf_name(&client_p->localClient->confs, |
1457 |
|
|
client_p->name, SERVER_TYPE); |
1458 |
|
|
if (conf == NULL) |
1459 |
|
|
{ |
1460 |
|
|
sendto_realops_flags(UMODE_ALL, L_ADMIN, |
1461 |
|
|
"Lost connect{} block for %s", get_client_name(client_p, HIDE_IP)); |
1462 |
|
|
sendto_realops_flags(UMODE_ALL, L_OPER, |
1463 |
|
|
"Lost connect{} block for %s", get_client_name(client_p, MASK_IP)); |
1464 |
|
|
|
1465 |
|
|
exit_client(client_p, &me, "Lost connect{} block"); |
1466 |
|
|
return; |
1467 |
|
|
} |
1468 |
|
|
|
1469 |
michael |
1303 |
aconf = map_to_conf(conf); |
1470 |
adx |
30 |
/* Next, send the initial handshake */ |
1471 |
|
|
SetHandshake(client_p); |
1472 |
|
|
|
1473 |
|
|
#ifdef HAVE_LIBCRYPTO |
1474 |
michael |
1303 |
if (IsConfSSL(aconf)) |
1475 |
|
|
{ |
1476 |
michael |
1306 |
ssl_connect_init(client_p, aconf, fd); |
1477 |
michael |
1303 |
return; |
1478 |
|
|
} |
1479 |
adx |
30 |
#endif |
1480 |
|
|
|
1481 |
|
|
/* jdc -- Check and send spasswd, not passwd. */ |
1482 |
michael |
1115 |
if (!EmptyString(aconf->spasswd)) |
1483 |
adx |
30 |
sendto_one(client_p, "PASS %s TS %d %s", |
1484 |
|
|
aconf->spasswd, TS_CURRENT, me.id); |
1485 |
|
|
|
1486 |
michael |
1119 |
send_capabilities(client_p, aconf, |
1487 |
michael |
1472 |
(IsConfTopicBurst(aconf) ? CAP_TBURST : 0)); |
1488 |
adx |
30 |
|
1489 |
|
|
sendto_one(client_p, "SERVER %s 1 :%s%s", |
1490 |
michael |
1118 |
me.name, ConfigServerHide.hidden ? "(H) " : "", |
1491 |
adx |
30 |
me.info); |
1492 |
|
|
|
1493 |
|
|
/* If we've been marked dead because a send failed, just exit |
1494 |
|
|
* here now and save everyone the trouble of us ever existing. |
1495 |
|
|
*/ |
1496 |
|
|
if (IsDead(client_p)) |
1497 |
|
|
{ |
1498 |
|
|
sendto_realops_flags(UMODE_ALL, L_ADMIN, |
1499 |
|
|
"%s[%s] went dead during handshake", |
1500 |
|
|
client_p->name, |
1501 |
|
|
client_p->host); |
1502 |
|
|
sendto_realops_flags(UMODE_ALL, L_OPER, |
1503 |
|
|
"%s went dead during handshake", client_p->name); |
1504 |
|
|
return; |
1505 |
|
|
} |
1506 |
|
|
|
1507 |
|
|
/* don't move to serv_list yet -- we haven't sent a burst! */ |
1508 |
|
|
/* If we get here, we're ok, so lets start reading some data */ |
1509 |
|
|
comm_setselect(fd, COMM_SELECT_READ, read_packet, client_p, 0); |
1510 |
|
|
} |
1511 |
|
|
|
1512 |
|
|
struct Client * |
1513 |
|
|
find_servconn_in_progress(const char *name) |
1514 |
|
|
{ |
1515 |
|
|
dlink_node *ptr; |
1516 |
|
|
struct Client *cptr; |
1517 |
|
|
|
1518 |
|
|
DLINK_FOREACH(ptr, unknown_list.head) |
1519 |
|
|
{ |
1520 |
|
|
cptr = ptr->data; |
1521 |
|
|
|
1522 |
|
|
if (cptr && cptr->name[0]) |
1523 |
michael |
1118 |
if (match(name, cptr->name)) |
1524 |
adx |
30 |
return cptr; |
1525 |
|
|
} |
1526 |
|
|
|
1527 |
|
|
return NULL; |
1528 |
|
|
} |