Mercurial > hg > nginx
annotate src/event/ngx_event_openssl.c @ 485:4ebe09b07e30 release-0.1.17
nginx-0.1.17-RELEASE import
*) Change: the ngx_http_rewrite_module was rewritten from the scratch.
Now it is possible to redirect, to return the error codes, to check
the variables and referrers. The directives can be used inside
locations. The redirect directive was canceled.
*) Feature: the ngx_http_geo_module.
*) Feature: the proxy_set_x_var and fastcgi_set_var directives.
*) Bugfix: the location configuration with "=" modifier may be used in
another location.
*) Bugfix: the correct content type was set only for requests that use
small caps letters in extension.
*) Bugfix: if the proxy_pass or fastcgi_pass directives were set in the
location, and access was denied, and the error was redirected to a
static page, then the segmentation fault occurred.
*) Bugfix: if in a proxied "Location" header was a relative URL, then a
host name and a slash were added to them; the bug had appeared in
0.1.14.
*) Bugfix: the system error message was not logged on Linux.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 03 Feb 2005 19:33:37 +0000 |
parents | c52408583801 |
children | 45a460f82aec |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 |
479 | 11 #include <openssl/engine.h> |
12 | |
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13 |
473 | 14 static void ngx_ssl_write_handler(ngx_event_t *wev); |
469 | 15 static ssize_t ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size); |
473 | 16 static void ngx_ssl_read_handler(ngx_event_t *rev); |
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17 |
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19 ngx_int_t ngx_ssl_init(ngx_log_t *log) |
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20 { |
479 | 21 ENGINE *engine; |
22 | |
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23 SSL_library_init(); |
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24 SSL_load_error_strings(); |
479 | 25 ENGINE_load_builtin_engines(); |
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26 |
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27 return NGX_OK; |
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28 } |
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29 |
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31 ngx_int_t ngx_ssl_create_session(ngx_ssl_ctx_t *ssl_ctx, ngx_connection_t *c, |
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32 ngx_uint_t flags) |
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33 { |
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34 ngx_ssl_t *ssl; |
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35 |
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36 if (!(ssl = ngx_pcalloc(c->pool, sizeof(ngx_ssl_t)))) { |
393
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37 return NGX_ERROR; |
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38 } |
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39 |
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40 if (!(ssl->buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE))) { |
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41 return NGX_ERROR; |
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42 } |
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43 |
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44 if (flags & NGX_SSL_BUFFER) { |
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45 ssl->buffer = 1; |
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46 } |
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47 |
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48 ssl->ssl = SSL_new(ssl_ctx); |
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49 |
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50 if (ssl->ssl == NULL) { |
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51 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_new() failed"); |
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52 return NGX_ERROR; |
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53 } |
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54 |
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55 if (SSL_set_fd(ssl->ssl, c->fd) == 0) { |
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56 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_fd() failed"); |
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57 return NGX_ERROR; |
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58 } |
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59 |
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60 SSL_set_accept_state(ssl->ssl); |
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61 |
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62 c->ssl = ssl; |
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63 |
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64 return NGX_OK; |
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65 } |
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66 |
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67 |
469 | 68 ssize_t ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size) |
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69 { |
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70 int n, sslerr; |
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71 ngx_err_t err; |
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72 char *handshake; |
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73 |
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74 n = SSL_read(c->ssl->ssl, buf, size); |
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75 |
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76 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_read: %d", n); |
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77 |
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78 if (n > 0) { |
479 | 79 |
80 #if (NGX_DEBUG) | |
81 | |
82 if (!c->ssl->handshaked && SSL_is_init_finished(c->ssl->ssl)) { | |
83 char buf[129], *s, *d; | |
84 SSL_CIPHER *cipher; | |
85 | |
86 c->ssl->handshaked = 1; | |
87 | |
88 cipher = SSL_get_current_cipher(c->ssl->ssl); | |
89 | |
90 if (cipher) { | |
91 SSL_CIPHER_description(cipher, &buf[1], 128); | |
92 | |
93 for (s = &buf[1], d = buf; *s; s++) { | |
94 if (*s == ' ' && *d == ' ') { | |
95 continue; | |
96 } | |
97 | |
98 if (*s == '\n' || *s == '\r') { | |
99 continue; | |
100 } | |
101 | |
102 *++d = *s; | |
103 } | |
104 | |
105 if (*d != ' ') { | |
106 d++; | |
107 } | |
108 | |
109 *d = '\0'; | |
110 | |
111 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
112 "SSL cipher: \"%s\"", &buf[1]); | |
113 } else { | |
114 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
115 "SSL no shared ciphers"); | |
116 } | |
117 } | |
118 | |
119 #endif | |
120 | |
473 | 121 if (c->ssl->saved_write_handler) { |
122 | |
123 c->write->event_handler = c->ssl->saved_write_handler; | |
124 c->ssl->saved_write_handler = NULL; | |
125 c->write->ready = 1; | |
126 | |
127 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
128 return NGX_ERROR; | |
129 } | |
130 | |
131 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) { | |
132 return NGX_ERROR; | |
133 } | |
134 | |
135 ngx_post_event(c->write); | |
136 | |
137 ngx_mutex_unlock(ngx_posted_events_mutex); | |
138 } | |
139 | |
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140 return n; |
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141 } |
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142 |
452 | 143 if (!SSL_is_init_finished(c->ssl->ssl)) { |
461 | 144 handshake = " in SSL handshake"; |
452 | 145 |
146 } else { | |
147 handshake = ""; | |
148 } | |
149 | |
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150 sslerr = SSL_get_error(c->ssl->ssl, n); |
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151 |
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152 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; |
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154 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr); |
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155 |
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156 if (sslerr == SSL_ERROR_WANT_READ) { |
455 | 157 c->read->ready = 0; |
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158 return NGX_AGAIN; |
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159 } |
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160 |
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161 if (sslerr == SSL_ERROR_WANT_WRITE) { |
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162 ngx_log_error(NGX_LOG_ALERT, c->log, err, |
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163 "SSL wants to write%s", handshake); |
473 | 164 |
165 c->write->ready = 0; | |
166 | |
167 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
168 return NGX_ERROR; | |
169 } | |
170 | |
171 /* | |
172 * we do not set the timer because there is already the read event timer | |
173 */ | |
174 | |
175 if (c->ssl->saved_write_handler == NULL) { | |
176 c->ssl->saved_write_handler = c->write->event_handler; | |
177 c->write->event_handler = ngx_ssl_write_handler; | |
178 } | |
179 | |
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180 return NGX_AGAIN; |
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181 } |
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182 |
396
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183 c->ssl->no_rcv_shut = 1; |
473 | 184 c->ssl->no_send_shut = 1; |
396
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185 |
395
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186 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) { |
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187 ngx_log_error(NGX_LOG_INFO, c->log, err, |
393
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188 "client closed connection%s", handshake); |
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189 |
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190 return NGX_ERROR; |
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191 } |
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192 |
395
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193 ngx_ssl_error(NGX_LOG_ALERT, c->log, err, |
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194 "SSL_read() failed%s", handshake); |
393
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195 |
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196 return NGX_ERROR; |
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197 } |
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198 |
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199 |
473 | 200 static void ngx_ssl_write_handler(ngx_event_t *wev) |
201 { | |
202 ngx_connection_t *c; | |
203 | |
204 c = wev->data; | |
205 c->read->event_handler(c->read); | |
206 } | |
207 | |
208 | |
398
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209 /* |
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210 * OpenSSL has no SSL_writev() so we copy several bufs into our 16K buffer |
473 | 211 * before the SSL_write() call to decrease a SSL overhead. |
398
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212 * |
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213 * Besides for protocols such as HTTP it is possible to always buffer |
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214 * the output to decrease a SSL overhead some more. |
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215 */ |
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216 |
394
e7a68e14ccd3
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217 ngx_chain_t *ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, |
e7a68e14ccd3
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218 off_t limit) |
e7a68e14ccd3
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219 { |
397
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220 int n; |
399
4e21d1291a14
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398
diff
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221 ngx_uint_t flush; |
397
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222 ssize_t send, size; |
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223 ngx_buf_t *buf; |
394
e7a68e14ccd3
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224 |
395
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225 buf = c->ssl->buf; |
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226 |
399
4e21d1291a14
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227 if (in && in->next == NULL && !c->buffered && !c->ssl->buffer) { |
395
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228 |
397
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229 /* |
398
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230 * we avoid a buffer copy if the incoming buf is a single, |
201b5f68b59f
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231 * our buffer is empty, and we do not need to buffer the output |
397
de797f3b4c27
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232 */ |
395
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233 |
397
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234 n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos); |
de797f3b4c27
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|
235 |
398
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|
236 if (n == NGX_ERROR) { |
201b5f68b59f
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237 return NGX_CHAIN_ERROR; |
201b5f68b59f
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parents:
397
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|
238 } |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
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parents:
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|
239 |
397
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parents:
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diff
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|
240 if (n < 0) { |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
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241 n = 0; |
397
de797f3b4c27
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|
242 } |
395
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|
243 |
397
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244 in->buf->pos += n; |
395
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|
245 |
397
de797f3b4c27
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|
246 return in; |
de797f3b4c27
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|
247 } |
395
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parents:
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diff
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|
248 |
473 | 249 |
250 /* the maximum limit size is the maximum uint32_t value - the page size */ | |
251 | |
252 if (limit == 0 || limit > NGX_MAX_UINT32_VALUE - ngx_pagesize) { | |
253 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize; | |
254 } | |
255 | |
256 | |
397
de797f3b4c27
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257 send = 0; |
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|
258 flush = (in == NULL) ? 1 : 0; |
395
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|
259 |
397
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nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
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|
260 for ( ;; ) { |
395
f8f0f1834266
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Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
261 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
262 while (in && buf->last < buf->end) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
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|
263 if (in->buf->last_buf) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
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|
264 flush = 1; |
395
f8f0f1834266
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Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
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|
265 } |
f8f0f1834266
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parents:
394
diff
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|
266 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
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parents:
396
diff
changeset
|
267 if (ngx_buf_special(in->buf)) { |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
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|
268 in = in->next; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
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|
269 continue; |
de797f3b4c27
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Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
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|
270 } |
de797f3b4c27
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Igor Sysoev <igor@sysoev.ru>
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396
diff
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|
271 |
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396
diff
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|
272 size = in->buf->last - in->buf->pos; |
de797f3b4c27
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parents:
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|
273 |
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396
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|
274 if (size > buf->end - buf->last) { |
de797f3b4c27
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|
275 size = buf->end - buf->last; |
de797f3b4c27
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396
diff
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|
276 } |
de797f3b4c27
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parents:
396
diff
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|
277 |
de797f3b4c27
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parents:
396
diff
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|
278 /* |
de797f3b4c27
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parents:
396
diff
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|
279 * TODO: the taking in->buf->flush into account can be |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
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parents:
397
diff
changeset
|
280 * implemented using the limit on the higher level |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
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parents:
396
diff
changeset
|
281 */ |
395
f8f0f1834266
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Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
282 |
f8f0f1834266
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parents:
394
diff
changeset
|
283 if (send + size > limit) { |
f8f0f1834266
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parents:
394
diff
changeset
|
284 size = limit - send; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
285 flush = 1; |
395
f8f0f1834266
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parents:
394
diff
changeset
|
286 } |
f8f0f1834266
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Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
287 |
f8f0f1834266
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394
diff
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|
288 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
289 "SSL buf copy: %d", size); |
395
f8f0f1834266
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parents:
394
diff
changeset
|
290 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
291 ngx_memcpy(buf->last, in->buf->pos, size); |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
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parents:
394
diff
changeset
|
292 |
397
de797f3b4c27
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parents:
396
diff
changeset
|
293 buf->last += size; |
395
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parents:
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diff
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|
294 |
397
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parents:
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diff
changeset
|
295 in->buf->pos += size; |
de797f3b4c27
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parents:
396
diff
changeset
|
296 if (in->buf->pos == in->buf->last) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
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parents:
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diff
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|
297 in = in->next; |
395
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parents:
394
diff
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|
298 } |
f8f0f1834266
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parents:
394
diff
changeset
|
299 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
300 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
301 size = buf->last - buf->pos; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
302 |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
303 if (!flush && buf->last < buf->end && c->ssl->buffer) { |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
304 break; |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
305 } |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
306 |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
307 n = ngx_ssl_write(c, buf->pos, size); |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
308 |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
309 if (n == NGX_ERROR) { |
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
310 return NGX_CHAIN_ERROR; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
311 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
312 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
313 if (n < 0) { |
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
314 n = 0; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
315 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
316 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
317 buf->pos += n; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
318 send += n; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
319 c->sent += n; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
320 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
321 if (n < size) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
322 break; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
323 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
324 |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
325 if (buf->pos == buf->last) { |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
326 buf->pos = buf->start; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
327 buf->last = buf->start; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
328 } |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
329 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
330 if (in == NULL || send == limit) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
331 break; |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
332 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
333 } |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
334 |
399
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
398
diff
changeset
|
335 c->buffered = (buf->pos < buf->last) ? 1 : 0; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
336 |
399
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
398
diff
changeset
|
337 return in; |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
338 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
339 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
340 |
469 | 341 static ssize_t ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size) |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
342 { |
452 | 343 int n, sslerr; |
344 ngx_err_t err; | |
345 char *handshake; | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
346 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
347 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL to write: %d", size); |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
348 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
349 n = SSL_write(c->ssl->ssl, data, size); |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
350 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
351 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_write: %d", n); |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
352 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
353 if (n > 0) { |
473 | 354 if (c->ssl->saved_read_handler) { |
355 | |
356 c->read->event_handler = c->ssl->saved_read_handler; | |
357 c->ssl->saved_read_handler = NULL; | |
358 c->read->ready = 1; | |
359 | |
360 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
361 return NGX_ERROR; | |
362 } | |
363 | |
364 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) { | |
365 return NGX_ERROR; | |
366 } | |
367 | |
368 ngx_post_event(c->read); | |
369 | |
370 ngx_mutex_unlock(ngx_posted_events_mutex); | |
371 } | |
372 | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
373 return n; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
374 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
375 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
376 sslerr = SSL_get_error(c->ssl->ssl, n); |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
377 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
378 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
379 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
380 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr); |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
381 |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
382 if (sslerr == SSL_ERROR_WANT_WRITE) { |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
383 c->write->ready = 0; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
384 return NGX_AGAIN; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
385 } |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
386 |
445
f26432a1935a
nginx-0.1.0-2004-09-30-10:38:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
387 if (sslerr == SSL_ERROR_WANT_READ) { |
452 | 388 |
389 if (!SSL_is_init_finished(c->ssl->ssl)) { | |
461 | 390 handshake = " in SSL handshake"; |
452 | 391 |
392 } else { | |
393 handshake = ""; | |
394 } | |
395 | |
445
f26432a1935a
nginx-0.1.0-2004-09-30-10:38:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
396 ngx_log_error(NGX_LOG_ALERT, c->log, err, |
f26432a1935a
nginx-0.1.0-2004-09-30-10:38:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
397 "SSL wants to read%s", handshake); |
473 | 398 |
399 c->read->ready = 0; | |
400 | |
401 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
402 return NGX_ERROR; | |
403 } | |
404 | |
405 /* | |
406 * we do not set the timer because there is already | |
407 * the write event timer | |
408 */ | |
409 | |
410 if (c->ssl->saved_read_handler == NULL) { | |
411 c->ssl->saved_read_handler = c->read->event_handler; | |
412 c->read->event_handler = ngx_ssl_read_handler; | |
413 } | |
414 | |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
415 return NGX_AGAIN; |
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
416 } |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
417 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
418 c->ssl->no_rcv_shut = 1; |
473 | 419 c->ssl->no_send_shut = 1; |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
420 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
421 ngx_ssl_error(NGX_LOG_ALERT, c->log, err, "SSL_write() failed"); |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
422 |
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
423 return NGX_ERROR; |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
424 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
425 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
426 |
473 | 427 static void ngx_ssl_read_handler(ngx_event_t *rev) |
428 { | |
429 ngx_connection_t *c; | |
430 | |
431 c = rev->data; | |
432 c->write->event_handler(c->write); | |
433 } | |
434 | |
435 | |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
436 ngx_int_t ngx_ssl_shutdown(ngx_connection_t *c) |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
437 { |
473 | 438 int n, sslerr, mode; |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
439 ngx_uint_t again; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
440 |
473 | 441 if (!c->ssl->shutdown_set) { |
442 | |
443 /* it seems that SSL_set_shutdown() could be called once only */ | |
444 | |
445 if (c->read->timedout) { | |
446 mode = SSL_RECEIVED_SHUTDOWN|SSL_SENT_SHUTDOWN; | |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
447 |
473 | 448 } else { |
449 mode = 0; | |
450 | |
451 if (c->ssl->no_rcv_shut) { | |
452 mode = SSL_RECEIVED_SHUTDOWN; | |
453 } | |
454 | |
455 if (c->ssl->no_send_shut) { | |
456 mode |= SSL_SENT_SHUTDOWN; | |
457 } | |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
458 } |
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
459 |
473 | 460 if (mode) { |
461 SSL_set_shutdown(c->ssl->ssl, mode); | |
462 c->ssl->shutdown_set = 1; | |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
463 } |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
464 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
465 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
466 again = 0; |
461 | 467 #if (NGX_SUPPRESS_WARN) |
468 sslerr = 0; | |
469 #endif | |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
470 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
471 for ( ;; ) { |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
472 n = SSL_shutdown(c->ssl->ssl); |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
473 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
474 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_shutdown: %d", n); |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
475 |
473 | 476 if (n == 1 || (n == 0 && c->read->timedout)) { |
477 SSL_free(c->ssl->ssl); | |
478 c->ssl = NULL; | |
479 return NGX_OK; | |
480 } | |
481 | |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
482 if (n == 0) { |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
483 again = 1; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
484 break; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
485 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
486 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
487 break; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
488 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
489 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
490 if (!again) { |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
491 sslerr = SSL_get_error(c->ssl->ssl, n); |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
492 |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
493 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
494 "SSL_get_error: %d", sslerr); |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
495 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
496 |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
497 if (again || sslerr == SSL_ERROR_WANT_READ) { |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
498 |
473 | 499 ngx_add_timer(c->read, 30000); |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
500 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
501 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
502 return NGX_ERROR; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
503 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
504 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
505 return NGX_AGAIN; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
506 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
507 |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
508 if (sslerr == SSL_ERROR_WANT_WRITE) { |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
509 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
510 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
511 return NGX_ERROR; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
512 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
513 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
514 return NGX_AGAIN; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
515 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
516 |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
517 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_shutdown() failed"); |
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
518 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
519 return NGX_ERROR; |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
520 } |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
521 |
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
522 |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
523 void ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, |
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
524 char *fmt, ...) |
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
525 { |
461 | 526 u_char errstr[NGX_MAX_CONF_ERRSTR], *p, *last; |
527 va_list args; | |
528 | |
529 last = errstr + NGX_MAX_CONF_ERRSTR; | |
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
530 |
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
531 va_start(args, fmt); |
461 | 532 p = ngx_vsnprintf(errstr, sizeof(errstr) - 1, fmt, args); |
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
533 va_end(args); |
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
534 |
461 | 535 p = ngx_cpystrn(p, " (SSL: ", last - p); |
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
536 |
461 | 537 ERR_error_string_n(ERR_get_error(), (char *) p, last - p); |
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
538 |
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
539 ngx_log_error(level, log, err, "%s)", errstr); |
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
540 } |