Mercurial > hg > nginx
annotate src/event/ngx_event_openssl.c @ 513:fbbf16224844 release-0.1.31
nginx-0.1.31-RELEASE import
*) Bugfix: the response encrypted by SSL may not transferred complete.
*) Bugfix: errors while processing FastCGI response by SSI.
*) Bugfix: errors while using SSI and gzipping.
*) Bugfix: the redirect with the 301 code was transferred without
response body; the bug had appeared in 0.1.30.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 16 May 2005 13:53:20 +0000 |
| parents | c12967aadd87 |
| children | 371c1cee100d |
| 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 |
| 489 | 14 static ngx_int_t ngx_ssl_handle_recv(ngx_connection_t *c, int n); |
| 473 | 15 static void ngx_ssl_write_handler(ngx_event_t *wev); |
| 469 | 16 static ssize_t ngx_ssl_write(ngx_connection_t *c, u_char *data, size_t size); |
| 473 | 17 static void ngx_ssl_read_handler(ngx_event_t *rev); |
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18 |
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19 |
| 489 | 20 ngx_int_t |
| 21 ngx_ssl_init(ngx_log_t *log) | |
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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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30 |
| 489 | 31 ngx_int_t |
| 32 ngx_ssl_create_session(ngx_ssl_ctx_t *ssl_ctx, ngx_connection_t *c, | |
| 33 ngx_uint_t flags) | |
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34 { |
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35 ngx_ssl_t *ssl; |
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36 |
| 501 | 37 ssl = ngx_pcalloc(c->pool, sizeof(ngx_ssl_t)); |
| 38 if (ssl == NULL) { | |
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39 return NGX_ERROR; |
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40 } |
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41 |
| 501 | 42 ssl->buf = ngx_create_temp_buf(c->pool, NGX_SSL_BUFSIZE); |
| 43 if (ssl->buf == NULL) { | |
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44 return NGX_ERROR; |
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45 } |
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46 |
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47 if (flags & NGX_SSL_BUFFER) { |
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48 ssl->buffer = 1; |
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49 } |
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50 |
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51 ssl->ssl = SSL_new(ssl_ctx); |
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52 |
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53 if (ssl->ssl == NULL) { |
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54 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_new() failed"); |
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55 return NGX_ERROR; |
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56 } |
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57 |
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58 if (SSL_set_fd(ssl->ssl, c->fd) == 0) { |
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59 ngx_ssl_error(NGX_LOG_ALERT, c->log, 0, "SSL_set_fd() failed"); |
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60 return NGX_ERROR; |
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61 } |
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62 |
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63 SSL_set_accept_state(ssl->ssl); |
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64 |
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65 c->ssl = ssl; |
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66 |
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67 return NGX_OK; |
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68 } |
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69 |
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70 |
| 489 | 71 ssize_t |
| 72 ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size) | |
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73 { |
| 489 | 74 int n, bytes; |
| 75 | |
| 76 if (c->ssl->last == NGX_ERROR) { | |
| 77 return NGX_ERROR; | |
| 78 } | |
| 79 | |
| 80 bytes = 0; | |
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81 |
| 489 | 82 /* |
| 83 * SSL_read() may return data in parts, so try to read | |
| 84 * until SSL_read() would return no data | |
| 85 */ | |
| 86 | |
| 87 for ( ;; ) { | |
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88 |
| 489 | 89 n = SSL_read(c->ssl->ssl, buf, size); |
| 90 | |
| 91 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_read: %d", n); | |
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92 |
| 489 | 93 if (n > 0) { |
| 94 | |
| 95 bytes += n; | |
| 479 | 96 |
| 97 #if (NGX_DEBUG) | |
| 98 | |
| 489 | 99 if (!c->ssl->handshaked && SSL_is_init_finished(c->ssl->ssl)) { |
| 100 char buf[129], *s, *d; | |
| 101 SSL_CIPHER *cipher; | |
| 479 | 102 |
| 489 | 103 c->ssl->handshaked = 1; |
| 104 | |
| 105 cipher = SSL_get_current_cipher(c->ssl->ssl); | |
| 106 | |
| 107 if (cipher) { | |
| 108 SSL_CIPHER_description(cipher, &buf[1], 128); | |
| 479 | 109 |
| 489 | 110 for (s = &buf[1], d = buf; *s; s++) { |
| 111 if (*s == ' ' && *d == ' ') { | |
| 112 continue; | |
| 113 } | |
| 479 | 114 |
| 491 | 115 if (*s == LF || *s == CR) { |
| 489 | 116 continue; |
| 117 } | |
| 479 | 118 |
| 489 | 119 *++d = *s; |
| 479 | 120 } |
| 121 | |
| 489 | 122 if (*d != ' ') { |
| 123 d++; | |
| 479 | 124 } |
| 125 | |
| 489 | 126 *d = '\0'; |
| 479 | 127 |
| 489 | 128 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
| 129 "SSL cipher: \"%s\"", &buf[1]); | |
| 130 } else { | |
| 131 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
| 132 "SSL no shared ciphers"); | |
| 479 | 133 } |
| 489 | 134 } |
| 135 #endif | |
| 479 | 136 |
| 489 | 137 } |
| 138 | |
| 139 c->ssl->last = ngx_ssl_handle_recv(c, n); | |
| 140 | |
| 141 if (c->ssl->last != NGX_OK) { | |
| 479 | 142 |
| 489 | 143 if (bytes) { |
| 144 return bytes; | |
| 145 | |
| 479 | 146 } else { |
| 489 | 147 return c->ssl->last; |
| 479 | 148 } |
| 149 } | |
| 150 | |
| 489 | 151 size -= n; |
| 152 | |
| 153 if (size == 0) { | |
| 154 return bytes; | |
| 155 } | |
| 156 | |
| 157 buf += n; | |
| 158 } | |
| 159 } | |
| 160 | |
| 161 | |
| 162 static ngx_int_t | |
| 163 ngx_ssl_handle_recv(ngx_connection_t *c, int n) | |
| 164 { | |
| 165 int sslerr; | |
| 166 ngx_err_t err; | |
| 167 char *handshake; | |
| 168 | |
| 169 if (n > 0) { | |
| 479 | 170 |
| 473 | 171 if (c->ssl->saved_write_handler) { |
| 172 | |
| 509 | 173 c->write->handler = c->ssl->saved_write_handler; |
| 473 | 174 c->ssl->saved_write_handler = NULL; |
| 175 c->write->ready = 1; | |
| 176 | |
| 177 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
| 178 return NGX_ERROR; | |
| 179 } | |
| 180 | |
| 181 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) { | |
| 182 return NGX_ERROR; | |
| 183 } | |
| 184 | |
| 185 ngx_post_event(c->write); | |
| 186 | |
| 187 ngx_mutex_unlock(ngx_posted_events_mutex); | |
| 188 } | |
| 189 | |
| 489 | 190 return NGX_OK; |
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191 } |
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192 |
| 452 | 193 if (!SSL_is_init_finished(c->ssl->ssl)) { |
| 461 | 194 handshake = " in SSL handshake"; |
| 452 | 195 |
| 196 } else { | |
| 197 handshake = ""; | |
| 198 } | |
| 199 | |
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200 sslerr = SSL_get_error(c->ssl->ssl, n); |
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201 |
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202 err = (sslerr == SSL_ERROR_SYSCALL) ? ngx_errno : 0; |
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203 |
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204 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d", sslerr); |
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205 |
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206 if (sslerr == SSL_ERROR_WANT_READ) { |
| 455 | 207 c->read->ready = 0; |
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208 return NGX_AGAIN; |
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209 } |
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210 |
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211 if (sslerr == SSL_ERROR_WANT_WRITE) { |
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212 ngx_log_error(NGX_LOG_ALERT, c->log, err, |
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213 "SSL wants to write%s", handshake); |
| 473 | 214 |
| 215 c->write->ready = 0; | |
| 216 | |
| 217 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
| 218 return NGX_ERROR; | |
| 219 } | |
| 220 | |
| 221 /* | |
| 222 * we do not set the timer because there is already the read event timer | |
| 223 */ | |
| 224 | |
| 225 if (c->ssl->saved_write_handler == NULL) { | |
| 509 | 226 c->ssl->saved_write_handler = c->write->handler; |
| 227 c->write->handler = ngx_ssl_write_handler; | |
| 473 | 228 } |
| 229 | |
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230 return NGX_AGAIN; |
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231 } |
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232 |
|
396
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233 c->ssl->no_rcv_shut = 1; |
| 473 | 234 c->ssl->no_send_shut = 1; |
|
396
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235 |
|
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236 if (sslerr == SSL_ERROR_ZERO_RETURN || ERR_peek_error() == 0) { |
|
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237 ngx_log_error(NGX_LOG_INFO, c->log, err, |
|
393
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238 "client closed connection%s", handshake); |
|
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239 |
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240 return NGX_ERROR; |
|
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241 } |
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242 |
|
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243 ngx_ssl_error(NGX_LOG_ALERT, c->log, err, |
|
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244 "SSL_read() failed%s", handshake); |
|
393
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245 |
|
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246 return NGX_ERROR; |
|
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247 } |
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248 |
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249 |
| 489 | 250 static void |
| 251 ngx_ssl_write_handler(ngx_event_t *wev) | |
| 473 | 252 { |
| 253 ngx_connection_t *c; | |
| 254 | |
| 255 c = wev->data; | |
| 509 | 256 c->read->handler(c->read); |
| 473 | 257 } |
| 258 | |
| 259 | |
|
398
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260 /* |
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261 * OpenSSL has no SSL_writev() so we copy several bufs into our 16K buffer |
| 473 | 262 * before the SSL_write() call to decrease a SSL overhead. |
|
398
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263 * |
|
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264 * Besides for protocols such as HTTP it is possible to always buffer |
|
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265 * the output to decrease a SSL overhead some more. |
|
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266 */ |
|
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267 |
| 489 | 268 ngx_chain_t * |
| 269 ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) | |
|
394
e7a68e14ccd3
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270 { |
|
397
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271 int n; |
|
399
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272 ngx_uint_t flush; |
|
397
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273 ssize_t send, size; |
|
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274 ngx_buf_t *buf; |
|
394
e7a68e14ccd3
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275 |
|
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276 buf = c->ssl->buf; |
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277 |
|
399
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278 if (in && in->next == NULL && !c->buffered && !c->ssl->buffer) { |
|
395
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279 |
|
397
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280 /* |
|
398
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281 * we avoid a buffer copy if the incoming buf is a single, |
|
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282 * our buffer is empty, and we do not need to buffer the output |
|
397
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283 */ |
|
395
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284 |
|
397
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285 n = ngx_ssl_write(c, in->buf->pos, in->buf->last - in->buf->pos); |
|
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|
286 |
|
398
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287 if (n == NGX_ERROR) { |
|
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288 return NGX_CHAIN_ERROR; |
|
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289 } |
|
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|
290 |
| 513 | 291 if (n == NGX_AGAIN) { |
| 292 c->buffered = 1; | |
| 293 return in; | |
|
397
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294 } |
|
395
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295 |
|
397
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296 in->buf->pos += n; |
|
395
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|
297 |
|
397
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298 return in; |
|
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299 } |
|
395
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|
300 |
| 473 | 301 |
| 302 /* the maximum limit size is the maximum uint32_t value - the page size */ | |
| 303 | |
| 304 if (limit == 0 || limit > NGX_MAX_UINT32_VALUE - ngx_pagesize) { | |
| 305 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize; | |
| 306 } | |
| 307 | |
| 308 | |
|
397
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309 send = 0; |
|
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310 flush = (in == NULL) ? 1 : 0; |
|
395
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|
311 |
|
397
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|
312 for ( ;; ) { |
|
395
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|
313 |
|
397
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|
314 while (in && buf->last < buf->end) { |
|
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|
315 if (in->buf->last_buf) { |
|
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|
316 flush = 1; |
|
395
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|
317 } |
|
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|
318 |
|
397
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319 if (ngx_buf_special(in->buf)) { |
|
398
201b5f68b59f
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|
320 in = in->next; |
|
397
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|
321 continue; |
|
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|
322 } |
|
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|
323 |
|
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|
324 size = in->buf->last - in->buf->pos; |
|
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|
325 |
|
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326 if (size > buf->end - buf->last) { |
|
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327 size = buf->end - buf->last; |
|
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|
328 } |
|
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|
329 |
|
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|
330 /* |
|
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331 * TODO: the taking in->buf->flush into account can be |
|
398
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diff
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|
332 * implemented using the limit on the higher level |
|
397
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396
diff
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|
333 */ |
|
395
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394
diff
changeset
|
334 |
|
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394
diff
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|
335 if (send + size > limit) { |
|
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|
336 size = limit - send; |
|
397
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diff
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|
337 flush = 1; |
|
395
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|
338 } |
|
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parents:
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|
339 |
|
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340 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
|
397
de797f3b4c27
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396
diff
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|
341 "SSL buf copy: %d", size); |
|
395
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parents:
394
diff
changeset
|
342 |
|
397
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396
diff
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|
343 ngx_memcpy(buf->last, in->buf->pos, size); |
|
395
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diff
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|
344 |
|
397
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diff
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|
345 buf->last += size; |
|
395
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diff
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|
346 |
|
397
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changeset
|
347 in->buf->pos += size; |
|
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|
348 if (in->buf->pos == in->buf->last) { |
|
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diff
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|
349 in = in->next; |
|
395
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|
350 } |
|
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394
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|
351 } |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
352 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
353 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
|
354 |
|
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
355 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
|
356 break; |
|
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
357 } |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
358 |
|
398
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
359 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
|
360 |
|
201b5f68b59f
nginx-0.0.7-2004-07-23-21:05:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
397
diff
changeset
|
361 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
|
362 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
|
363 } |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
364 |
| 511 | 365 if (n == NGX_AGAIN) { |
| 366 c->buffered = 1; | |
| 367 return in; | |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
368 } |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
369 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
370 buf->pos += n; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
371 send += n; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
372 c->sent += n; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
373 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
374 if (n < size) { |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
375 break; |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
376 } |
|
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
377 |
|
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
378 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
|
379 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
|
380 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
|
381 } |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
382 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
383 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
|
384 break; |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
385 } |
|
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
386 } |
|
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
387 |
|
399
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
398
diff
changeset
|
388 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
|
389 |
|
399
4e21d1291a14
nginx-0.0.7-2004-07-25-22:34:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
398
diff
changeset
|
390 return in; |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
391 } |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
392 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
393 |
| 489 | 394 static ssize_t |
| 395 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
|
396 { |
| 452 | 397 int n, sslerr; |
| 398 ngx_err_t err; | |
| 399 char *handshake; | |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
400 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
401 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
|
402 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
403 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
|
404 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
405 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
|
406 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
407 if (n > 0) { |
| 473 | 408 if (c->ssl->saved_read_handler) { |
| 409 | |
| 509 | 410 c->read->handler = c->ssl->saved_read_handler; |
| 473 | 411 c->ssl->saved_read_handler = NULL; |
| 412 c->read->ready = 1; | |
| 413 | |
| 414 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
| 415 return NGX_ERROR; | |
| 416 } | |
| 417 | |
| 418 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) { | |
| 419 return NGX_ERROR; | |
| 420 } | |
| 421 | |
| 422 ngx_post_event(c->read); | |
| 423 | |
| 424 ngx_mutex_unlock(ngx_posted_events_mutex); | |
| 425 } | |
| 426 | |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
427 return n; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
428 } |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
429 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
430 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
|
431 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
432 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
|
433 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
434 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
|
435 |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
436 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
|
437 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
|
438 return NGX_AGAIN; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
439 } |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
440 |
|
445
f26432a1935a
nginx-0.1.0-2004-09-30-10:38:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
441 if (sslerr == SSL_ERROR_WANT_READ) { |
| 452 | 442 |
| 443 if (!SSL_is_init_finished(c->ssl->ssl)) { | |
| 461 | 444 handshake = " in SSL handshake"; |
| 452 | 445 |
| 446 } else { | |
| 447 handshake = ""; | |
| 448 } | |
| 449 | |
|
445
f26432a1935a
nginx-0.1.0-2004-09-30-10:38:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
444
diff
changeset
|
450 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
|
451 "SSL wants to read%s", handshake); |
| 473 | 452 |
| 453 c->read->ready = 0; | |
| 454 | |
| 455 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { | |
| 456 return NGX_ERROR; | |
| 457 } | |
| 458 | |
| 459 /* | |
| 460 * we do not set the timer because there is already | |
| 461 * the write event timer | |
| 462 */ | |
| 463 | |
| 464 if (c->ssl->saved_read_handler == NULL) { | |
| 509 | 465 c->ssl->saved_read_handler = c->read->handler; |
| 466 c->read->handler = ngx_ssl_read_handler; | |
| 473 | 467 } |
| 468 | |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
469 return NGX_AGAIN; |
|
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
470 } |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
471 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
472 c->ssl->no_rcv_shut = 1; |
| 473 | 473 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
|
474 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
475 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
|
476 |
|
397
de797f3b4c27
nginx-0.0.7-2004-07-23-09:37:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
396
diff
changeset
|
477 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
|
478 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
479 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
480 |
| 489 | 481 static void |
| 482 ngx_ssl_read_handler(ngx_event_t *rev) | |
| 473 | 483 { |
| 484 ngx_connection_t *c; | |
| 485 | |
| 486 c = rev->data; | |
| 509 | 487 c->write->handler(c->write); |
| 473 | 488 } |
| 489 | |
| 490 | |
| 489 | 491 ngx_int_t |
| 492 ngx_ssl_shutdown(ngx_connection_t *c) | |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
493 { |
| 473 | 494 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
|
495 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
|
496 |
| 473 | 497 if (!c->ssl->shutdown_set) { |
| 498 | |
| 499 /* it seems that SSL_set_shutdown() could be called once only */ | |
| 500 | |
| 501 if (c->read->timedout) { | |
| 502 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
|
503 |
| 473 | 504 } else { |
| 505 mode = 0; | |
| 506 | |
| 507 if (c->ssl->no_rcv_shut) { | |
| 508 mode = SSL_RECEIVED_SHUTDOWN; | |
| 509 } | |
| 510 | |
| 511 if (c->ssl->no_send_shut) { | |
| 512 mode |= SSL_SENT_SHUTDOWN; | |
| 513 } | |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
514 } |
|
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
515 |
| 473 | 516 if (mode) { |
| 517 SSL_set_shutdown(c->ssl->ssl, mode); | |
| 518 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
|
519 } |
|
394
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 again = 0; |
| 461 | 523 #if (NGX_SUPPRESS_WARN) |
| 524 sslerr = 0; | |
| 525 #endif | |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
526 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
527 for ( ;; ) { |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
528 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
|
529 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
530 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
|
531 |
| 473 | 532 if (n == 1 || (n == 0 && c->read->timedout)) { |
| 533 SSL_free(c->ssl->ssl); | |
| 534 c->ssl = NULL; | |
| 535 return NGX_OK; | |
| 536 } | |
| 537 | |
|
394
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
538 if (n == 0) { |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
539 again = 1; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
540 break; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
541 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
542 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
543 break; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
544 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
545 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
546 if (!again) { |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
547 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
|
548 |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
549 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
|
550 "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
|
551 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
552 |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
553 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
|
554 |
| 473 | 555 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
|
556 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
557 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
|
558 return NGX_ERROR; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
559 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
560 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
561 return NGX_AGAIN; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
562 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
563 |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
395
diff
changeset
|
564 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
|
565 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
566 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
|
567 return NGX_ERROR; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
568 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
569 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
570 return NGX_AGAIN; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
571 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
572 |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
573 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
|
574 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
575 return NGX_ERROR; |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
576 } |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
577 |
|
e7a68e14ccd3
nginx-0.0.7-2004-07-16-10:33:35 import
Igor Sysoev <igor@sysoev.ru>
parents:
393
diff
changeset
|
578 |
| 489 | 579 void |
| 580 ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err, char *fmt, ...) | |
|
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
581 { |
| 461 | 582 u_char errstr[NGX_MAX_CONF_ERRSTR], *p, *last; |
| 583 va_list args; | |
| 584 | |
| 585 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
|
586 |
|
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
587 va_start(args, fmt); |
| 461 | 588 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
|
589 va_end(args); |
|
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
590 |
| 501 | 591 p = ngx_cpystrn(p, (u_char *) " (SSL: ", last - p); |
|
393
5659d773cfa8
nginx-0.0.7-2004-07-15-20:35:51 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
592 |
| 461 | 593 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
|
594 |
|
395
f8f0f1834266
nginx-0.0.7-2004-07-16-21:11:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
394
diff
changeset
|
595 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
|
596 } |
| 509 | 597 |
| 598 | |
| 599 void | |
| 600 ngx_ssl_cleanup_ctx(void *data) | |
| 601 { | |
| 602 SSL_CTX *ctx = data; | |
| 603 | |
| 604 SSL_CTX_free(ctx); | |
| 605 } |