1 /*
2 * jabberd - Jabber Open Source Server
3 * Copyright (c) 2002-2003 Jeremie Miller, Thomas Muldowney,
4 * Ryan Eatmon, Robert Norris
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
19 */
20
21 #include "sm.h"
22
23 /** @file sm/mod_vacation.c
24 * @brief vacation messages
25 * @author Robert Norris
26 * $Date: 2005/08/17 07:48:28 $
27 * $Revision: 1.13 $
28 */
29
30 #define uri_VACATION "http://jabber.org/protocol/vacation"
31 static int ns_VACATION = 0;
32
33 typedef struct _vacation_st {
34 time_t start;
35 time_t end;
36 char *msg;
37 } *vacation_t;
38
_vacation_in_sess(mod_instance_t mi,sess_t sess,pkt_t pkt)39 static mod_ret_t _vacation_in_sess(mod_instance_t mi, sess_t sess, pkt_t pkt) {
40 module_t mod = mi->mod;
41 vacation_t v = sess->user->module_data[mod->index];
42 int ns, start, end, msg;
43 char dt[30];
44 pkt_t res;
45 os_t os;
46 os_object_t o;
47
48 /* we only want to play with vacation iq packets */
49 if((pkt->type != pkt_IQ && pkt->type != pkt_IQ_SET) || pkt->ns != ns_VACATION)
50 return mod_PASS;
51
52 /* if it has a to, throw it out */
53 if(pkt->to != NULL)
54 return -stanza_err_BAD_REQUEST;
55
56 /* get */
57 if(pkt->type == pkt_IQ) {
58 if(v->msg == NULL) {
59 res = pkt_create(mod->mm->sm, "iq", "result", NULL, NULL);
60 pkt_id(pkt, res);
61 pkt_free(pkt);
62
63 pkt_sess(res, sess);
64
65 return mod_HANDLED;
66 }
67
68 ns = nad_find_scoped_namespace(pkt->nad, uri_VACATION, NULL);
69
70 if(v->start != 0) {
71 datetime_out(v->start, dt_DATETIME, dt, 30);
72 nad_insert_elem(pkt->nad, 2, ns, "start", dt);
73 } else
74 nad_insert_elem(pkt->nad, 2, ns, "start", NULL);
75
76 if(v->end != 0) {
77 datetime_out(v->end, dt_DATETIME, dt, 30);
78 nad_insert_elem(pkt->nad, 2, ns, "end", dt);
79 } else
80 nad_insert_elem(pkt->nad, 2, ns, "end", NULL);
81
82 nad_insert_elem(pkt->nad, 2, ns, "message", v->msg);
83
84 pkt_tofrom(pkt);
85 nad_set_attr(pkt->nad, 1, -1, "type", "result", 6);
86
87 pkt_sess(pkt, sess);
88
89 return mod_HANDLED;
90 }
91
92 /* set */
93 ns = nad_find_scoped_namespace(pkt->nad, uri_VACATION, NULL);
94
95 start = nad_find_elem(pkt->nad, 2, ns, "start", 1);
96 end = nad_find_elem(pkt->nad, 2, ns, "end", 1);
97 msg = nad_find_elem(pkt->nad, 2, ns, "message", 1);
98
99 if(start < 0 || end < 0 || msg < 0) {
100 /* forget */
101 if(v->msg != NULL) {
102 free(v->msg);
103 v->msg = NULL;
104 }
105 v->start = 0;
106 v->end = 0;
107
108 storage_delete(mi->sm->st, "vacation-settings", jid_user(sess->jid), NULL);
109
110 res = pkt_create(mod->mm->sm, "iq", "result", NULL, NULL);
111 pkt_id(pkt, res);
112 pkt_free(pkt);
113
114 pkt_sess(res, sess);
115
116 return mod_HANDLED;
117 }
118
119 if(NAD_CDATA_L(pkt->nad, start) > 0) {
120 strncpy(dt, NAD_CDATA(pkt->nad, start), (30 < NAD_CDATA_L(pkt->nad, start) ? 30 : NAD_CDATA_L(pkt->nad, start)));
121 v->start = datetime_in(dt);
122 } else
123 v->start = 0;
124
125 if(NAD_CDATA_L(pkt->nad, end) > 0) {
126 strncpy(dt, NAD_CDATA(pkt->nad, end), (30 < NAD_CDATA_L(pkt->nad, end) ? 30 : NAD_CDATA_L(pkt->nad, end)));
127 v->end = datetime_in(dt);
128 } else
129 v->end = 0;
130
131 v->msg = (char *) malloc(sizeof(char) * (NAD_CDATA_L(pkt->nad, msg) + 1));
132 strncpy(v->msg, NAD_CDATA(pkt->nad, msg), NAD_CDATA_L(pkt->nad, msg));
133 v->msg[NAD_CDATA_L(pkt->nad, msg)] = '\0';
134
135 os = os_new();
136 o = os_object_new(os);
137 os_object_put(o, "start", &v->start, os_type_INTEGER);
138 os_object_put(o, "end", &v->end, os_type_INTEGER);
139 os_object_put(o, "message", v->msg, os_type_STRING);
140
141 if(storage_replace(mod->mm->sm->st, "vacation-settings", jid_user(sess->user->jid), NULL, os) != st_SUCCESS) {
142 free(v->msg);
143 v->msg = NULL;
144 v->start = 0;
145 v->end = 0;
146 return -stanza_err_INTERNAL_SERVER_ERROR;
147 }
148
149 res = pkt_create(mod->mm->sm, "iq", "result", NULL, NULL);
150 pkt_id(pkt, res);
151 pkt_free(pkt);
152
153 pkt_sess(res, sess);
154
155 return mod_HANDLED;
156 }
157
_vacation_pkt_user(mod_instance_t mi,user_t user,pkt_t pkt)158 static mod_ret_t _vacation_pkt_user(mod_instance_t mi, user_t user, pkt_t pkt) {
159 module_t mod = mi->mod;
160 vacation_t v = user->module_data[mod->index];
161 time_t t;
162 pkt_t res;
163
164 if(v->msg == NULL)
165 return mod_PASS;
166
167 /* only want messages, and only if they're offline */
168 if(!(pkt->type & pkt_MESSAGE) || user->top != NULL)
169 return mod_PASS;
170
171 /* reply only to real, human users - they always have full JIDs in 'from' */
172 jid_expand(pkt->from);
173 if(pkt->from->node[0] == '\0' || pkt->from->resource[0] == '\0') {
174 pkt_free(pkt);
175 return mod_HANDLED;
176 }
177
178 t = time(NULL);
179
180 if(v->start < t && (t < v->end || v->end == 0)) {
181 res = pkt_create(mod->mm->sm, "message", NULL, jid_full(pkt->from), user->jid->domain);
182 nad_insert_elem(res->nad, 1, NAD_ENS(res->nad, 1), "subject", "Automated reply");
183 nad_insert_elem(res->nad, 1, NAD_ENS(res->nad, 1), "body", v->msg);
184 pkt_router(res);
185
186 /* !!! remember that we sent this */
187 }
188
189 return mod_PASS;
190 }
191
_vacation_user_free(vacation_t v)192 static void _vacation_user_free(vacation_t v) {
193 if(v->msg != NULL)
194 free(v->msg);
195 free(v);
196 }
197
_vacation_user_load(mod_instance_t mi,user_t user)198 static int _vacation_user_load(mod_instance_t mi, user_t user) {
199 module_t mod = mi->mod;
200 vacation_t v;
201 os_t os;
202 os_object_t o;
203
204 v = (vacation_t) calloc(1, sizeof(struct _vacation_st));
205 user->module_data[mod->index] = v;
206
207 if(storage_get(mod->mm->sm->st, "vacation-settings", jid_user(user->jid), NULL, &os) == st_SUCCESS) {
208 if(os_iter_first(os)) {
209 o = os_iter_object(os);
210
211 if(os_object_get_time(os, o, "start", &v->start) &&
212 os_object_get_time(os, o, "end", &v->end) &&
213 os_object_get_str(os, o, "message", &v->msg))
214 v->msg = strdup(v->msg);
215 else {
216 v->start = 0;
217 v->end = 0;
218 v->msg = NULL;
219 }
220 }
221
222 os_free(os);
223 }
224
225 pool_cleanup(user->p, (void (*))(void *) _vacation_user_free, v);
226
227 return 0;
228 }
229
_vacation_user_delete(mod_instance_t mi,jid_t jid)230 static void _vacation_user_delete(mod_instance_t mi, jid_t jid) {
231 log_debug(ZONE, "deleting vacations settings for %s", jid_user(jid));
232
233 storage_delete(mi->sm->st, "vacation-settings", jid_user(jid), NULL);
234 }
235
_vacation_free(module_t mod)236 static void _vacation_free(module_t mod) {
237 sm_unregister_ns(mod->mm->sm, uri_VACATION);
238 feature_unregister(mod->mm->sm, uri_VACATION);
239 }
240
module_init(mod_instance_t mi,const char * arg)241 DLLEXPORT int module_init(mod_instance_t mi, const char *arg) {
242 module_t mod = mi->mod;
243
244 if(mod->init) return 0;
245
246 mod->in_sess = _vacation_in_sess;
247 mod->pkt_user = _vacation_pkt_user;
248 mod->user_load = _vacation_user_load;
249 mod->user_delete = _vacation_user_delete;
250 mod->free = _vacation_free; /* mmm good! :) */
251
252 ns_VACATION = sm_register_ns(mod->mm->sm, uri_VACATION);
253 feature_register(mod->mm->sm, uri_VACATION);
254
255 return 0;
256 }
257