]>
Commit | Line | Data |
---|---|---|
1 | #include <stdlib.h> | |
2 | #include <stdint.h> | |
3 | #include <sys/time.h> | |
4 | ||
5 | #include "../core/hooks.h" | |
6 | #include "../lib/sstring.h" | |
7 | #include "../server/server.h" | |
8 | #include "../irc/irc.h" | |
9 | #include "../core/error.h" | |
10 | #include "../lib/irc_string.h" | |
11 | #include "jupe.h" | |
12 | ||
13 | jupe_t *jupes = NULL; | |
14 | ||
15 | int handlejupe(void *source, int cargc, char **cargv); | |
16 | void sendjupeburst(int hook, void *args); | |
17 | ||
18 | void _init() { | |
19 | registerhook(HOOK_IRC_SENDBURSTBURSTS, &sendjupeburst); | |
20 | ||
21 | registerserverhandler("JU", &handlejupe, 5); | |
22 | ||
23 | irc_send("%s RB J", mynumeric->content); | |
24 | } | |
25 | ||
26 | void _fini() { | |
27 | jupe_t *next; | |
28 | ||
29 | while (jupes) { | |
30 | /* keep a pointer to the next item */ | |
31 | next = jupes->ju_next; | |
32 | ||
33 | free(jupes); | |
34 | ||
35 | jupes = next; | |
36 | } | |
37 | ||
38 | deregisterhook(HOOK_IRC_SENDBURSTBURSTS, &sendjupeburst); | |
39 | ||
40 | deregisterserverhandler("JU", &handlejupe); | |
41 | } | |
42 | ||
43 | int handlejupe(void *source, int cargc, char **cargv) { | |
44 | char *server, *expire, *modtime, *reason; | |
45 | jupe_t *jupe; | |
46 | unsigned int flags; | |
47 | ||
48 | if (cargc < 5) | |
49 | return CMD_OK; /* local jupe or not a valid.. we don't care */ | |
50 | ||
51 | server = cargv[1]; | |
52 | expire = cargv[2]; | |
53 | modtime = cargv[3]; | |
54 | reason = cargv[4]; | |
55 | ||
56 | if (atoi(expire) > JUPE_MAX_EXPIRE || atoi(expire) <= 0) | |
57 | return CMD_ERROR; /* jupe's expiry date is not valid */ | |
58 | ||
59 | if (server[0] != '+' && server[0] != '-') | |
60 | return CMD_OK; /* not a valid jupe either */ | |
61 | else { | |
62 | flags = (server[0] == '+') ? JUPE_ACTIVE : 0; | |
63 | server++; | |
64 | } | |
65 | ||
66 | jupe = jupe_find(server); | |
67 | ||
68 | if (jupe != NULL && atoi(modtime) > jupe->ju_lastmod) { | |
69 | jupe->ju_flags = flags; | |
70 | jupe->ju_lastmod = atoi(modtime); | |
71 | ||
72 | Error("jupe", ERR_WARNING, "jupe modified for %s (%s) expiring in %s," | |
73 | " lastmod: %s, active: %s", server, reason, expire, modtime, flags ? "yes" : "no"); | |
74 | return CMD_OK; | |
75 | } | |
76 | ||
77 | jupe = make_jupe(server, reason, getnettime() + atoi(expire), atoi(modtime), flags); | |
78 | ||
79 | if (jupe == NULL) | |
80 | return CMD_ERROR; | |
81 | ||
82 | Error("jupe", ERR_WARNING, "jupe added for %s (%s) expiring in %s," | |
83 | " lastmod: %s, active: %s", server, reason, expire, modtime, flags ? "yes" : "no"); | |
84 | ||
85 | return CMD_OK; | |
86 | } | |
87 | ||
88 | void sendjupeburst(int hook, void *args) { | |
89 | jupe_t *jupe = jupes; | |
90 | ||
91 | if (hook != HOOK_IRC_SENDBURSTBURSTS) | |
92 | return; | |
93 | ||
94 | while (jupe) { | |
95 | jupe_propagate(jupe); | |
96 | ||
97 | jupe = jupe->ju_next; | |
98 | } | |
99 | } | |
100 | ||
101 | jupe_t *make_jupe(char *server, char *reason, time_t expirets, time_t lastmod, unsigned int flags) { | |
102 | jupe_t *jupe; | |
103 | ||
104 | jupe = (jupe_t*)malloc(sizeof(jupe_t)); | |
105 | ||
106 | if (jupe == NULL) | |
107 | return NULL; | |
108 | ||
109 | jupe->ju_server = getsstring(server, HOSTLEN); | |
110 | jupe->ju_reason = getsstring(reason, TOPICLEN); | |
111 | jupe->ju_expire = expirets; | |
112 | jupe->ju_lastmod = lastmod; | |
113 | jupe->ju_flags = flags; | |
114 | jupe->ju_next = NULL; | |
115 | ||
116 | /* add the jupe to our linked list */ | |
117 | jupe->ju_next = jupes; | |
118 | jupes = jupe; | |
119 | ||
120 | return jupe; | |
121 | } | |
122 | ||
123 | void jupe_propagate(jupe_t *jupe) { | |
124 | irc_send("%s JU * %c%s %jd %jd :%s", mynumeric->content, | |
125 | JupeIsRemActive(jupe) ? '+' : '-', | |
126 | JupeServer(jupe), | |
127 | (intmax_t)(jupe->ju_expire - getnettime()), | |
128 | (intmax_t)JupeLastMod(jupe), | |
129 | JupeReason(jupe)); | |
130 | } | |
131 | ||
132 | void jupe_expire(void) { | |
133 | jupe_find(NULL); | |
134 | } | |
135 | ||
136 | jupe_t *jupe_find(char *server) { | |
137 | jupe_t *jupe = jupes; | |
138 | ||
139 | while (jupe) { | |
140 | /* server == NULL if jupe_find() is used by jupe_expire */ | |
141 | if (server && ircd_strcmp(server, JupeServer(jupe)) == 0) | |
142 | return jupe; | |
143 | ||
144 | if (jupe->ju_next && jupe->ju_next->ju_expire < getnettime()) | |
145 | jupe_free(jupe->ju_next); | |
146 | ||
147 | jupe = jupe->ju_next; | |
148 | } | |
149 | ||
150 | if (jupes && jupes->ju_expire < getnettime()) | |
151 | jupe_free(jupes); | |
152 | ||
153 | return NULL; | |
154 | } | |
155 | ||
156 | void jupe_free(jupe_t *jupe) { | |
157 | jupe_t *trav = jupes; | |
158 | ||
159 | if (jupe == jupes) | |
160 | jupes = jupe->ju_next; | |
161 | else { | |
162 | while (trav) { | |
163 | if (trav->ju_next == jupe) { | |
164 | trav->ju_next = jupe->ju_next; | |
165 | break; | |
166 | } | |
167 | ||
168 | trav = trav->ju_next; | |
169 | } | |
170 | } | |
171 | ||
172 | freesstring(jupe->ju_server); | |
173 | freesstring(jupe->ju_reason); | |
174 | free(jupe); | |
175 | } | |
176 | ||
177 | void jupe_activate(jupe_t *jupe) { | |
178 | if (jupe->ju_flags & JUPE_ACTIVE) | |
179 | return; | |
180 | ||
181 | jupe->ju_flags |= JUPE_ACTIVE; | |
182 | jupe->ju_lastmod = getnettime(); | |
183 | ||
184 | jupe_propagate(jupe); | |
185 | } | |
186 | ||
187 | void jupe_deactivate(jupe_t *jupe) { | |
188 | if ((jupe->ju_flags & JUPE_ACTIVE) == 0) | |
189 | return; | |
190 | ||
191 | jupe->ju_flags &= ~JUPE_ACTIVE; | |
192 | jupe->ju_lastmod = getnettime(); | |
193 | ||
194 | jupe_propagate(jupe); | |
195 | } | |
196 | ||
197 | int jupe_add(char *server, char *reason, time_t duration, unsigned int flags) { | |
198 | jupe_t *jupe; | |
199 | ||
200 | if (jupe_find(server) != NULL) | |
201 | return 0; | |
202 | ||
203 | if (duration > JUPE_MAX_EXPIRE || duration <= 0) | |
204 | return 0; | |
205 | ||
206 | jupe = make_jupe(server, reason, getnettime() + duration, getnettime(), flags); | |
207 | ||
208 | if (jupe == NULL) | |
209 | return 0; | |
210 | ||
211 | jupe_propagate(jupe); | |
212 | ||
213 | return 1; | |
214 | } |