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Commit | Line | Data |
---|---|---|
1 | --- lighttpd-1.4.19/src/mod_evasive.c 2008-09-19 17:50:24.307245276 +0300 | |
2 | +++ lighttpd-1.4.22/src/mod_evasive.c 2009-05-12 02:21:58.524447939 +0300 | |
3 | @@ -28,11 +28,15 @@ | |
4 | typedef struct { | |
5 | unsigned short max_conns; | |
6 | unsigned short silent; | |
7 | + unsigned short http_status_code; | |
8 | + unsigned int retry_after; | |
9 | } plugin_config; | |
10 | ||
11 | typedef struct { | |
12 | PLUGIN_DATA; | |
13 | ||
14 | + buffer *evasive_rftmp; | |
15 | + | |
16 | plugin_config **config_storage; | |
17 | ||
18 | plugin_config conf; | |
19 | @@ -46,6 +50,10 @@ | |
20 | ||
21 | p = calloc(1, sizeof(*p)); | |
22 | ||
23 | + p->evasive_rftmp = buffer_init(); | |
24 | + | |
25 | + buffer_prepare_copy(p->evasive_rftmp, 255); | |
26 | + | |
27 | return p; | |
28 | } | |
29 | ||
30 | @@ -56,6 +64,8 @@ | |
31 | ||
32 | if (!p) return HANDLER_GO_ON; | |
33 | ||
34 | + buffer_free(p->evasive_rftmp); | |
35 | + | |
36 | if (p->config_storage) { | |
37 | size_t i; | |
38 | for (i = 0; i < srv->config_context->used; i++) { | |
39 | @@ -85,6 +85,8 @@ | |
40 | config_values_t cv[] = { | |
41 | { "evasive.max-conns-per-ip", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 0 */ | |
42 | { "evasive.silent", NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION }, /* 1 */ | |
43 | + { "evasive.http-status-code", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 2 */ | |
44 | + { "evasive.retry-after", NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION }, /* 3 */ | |
45 | { NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET } | |
46 | }; | |
47 | ||
48 | @@ -94,11 +96,15 @@ | |
49 | plugin_config *s; | |
50 | ||
51 | s = calloc(1, sizeof(plugin_config)); | |
52 | - s->max_conns = 0; | |
53 | - s->silent = 0; | |
54 | + s->max_conns = 0; | |
55 | + s->silent = 0; | |
56 | + s->http_status_code = 503; | |
57 | + s->retry_after = 0; | |
58 | ||
59 | cv[0].destination = &(s->max_conns); | |
60 | cv[1].destination = &(s->silent); | |
61 | + cv[2].destination = &(s->http_status_code); | |
62 | + cv[3].destination = &(s->retry_after); | |
63 | ||
64 | p->config_storage[i] = s; | |
65 | ||
66 | @@ -107,6 +123,8 @@ | |
67 | ||
68 | PATCH(max_conns); | |
69 | PATCH(silent); | |
70 | + PATCH(http_status_code); | |
71 | + PATCH(retry_after); | |
72 | ||
73 | /* skip the first, the global context */ | |
74 | for (i = 1; i < srv->config_context->used; i++) { | |
75 | @@ -124,6 +142,10 @@ | |
76 | PATCH(max_conns); | |
77 | } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("evasive.silent"))) { | |
78 | PATCH(silent); | |
79 | + } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("evasive.http-status-code"))) { | |
80 | + PATCH(http_status_code); | |
81 | + } else if (buffer_is_equal_string(du->key, CONST_STR_LEN("evasive.retry-after"))) { | |
82 | + PATCH(retry_after); | |
83 | } | |
84 | } | |
85 | } | |
86 | @@ -192,8 +214,10 @@ | |
87 | inet_ntop_cache_get_ip(srv, &(con->dst_addr)), | |
88 | "turned away. Too many connections."); | |
89 | ||
90 | - con->http_status = 403; | |
91 | con->mode = DIRECT; | |
92 | + con->http_status = p->conf.http_status_code; | |
93 | + buffer_copy_long(p->evasive_rftmp, p->conf.retry_after); | |
94 | + response_header_overwrite(srv, con, CONST_STR_LEN("Retry-After"), CONST_BUF_LEN(p->evasive_rftmp)); | |
95 | return HANDLER_FINISHED; | |
96 | } | |
97 | } |