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comparison src/http/modules/ngx_http_userid_filter.c @ 415:3c56e834be46

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nginx-0.0.10-2004-09-05-23:54:02 import
author Igor Sysoev <igor@sysoev.ru>
date Sun, 05 Sep 2004 19:54:02 +0000
parents 199cd29f35a3
children b9bd635011de
comparison
equal deleted inserted replaced
414:388a842cbbe1 415:3c56e834be46
194 194
195 static ngx_int_t ngx_http_userid_get_uid(ngx_http_request_t *r, 195 static ngx_int_t ngx_http_userid_get_uid(ngx_http_request_t *r,
196 ngx_http_userid_ctx_t *ctx, 196 ngx_http_userid_ctx_t *ctx,
197 ngx_http_userid_conf_t *conf) 197 ngx_http_userid_conf_t *conf)
198 { 198 {
199 u_char *start, *last, *end; 199 u_char *start, *last, *end;
200 ngx_uint_t *cookies, i; 200 ngx_uint_t i;
201 ngx_str_t src, dst; 201 ngx_str_t src, dst;
202 ngx_table_elt_t *headers; 202 ngx_table_elt_t **cookies;
203 203
204 headers = r->headers_in.headers.elts;
205 cookies = r->headers_in.cookies.elts; 204 cookies = r->headers_in.cookies.elts;
206 205
207 for (i = 0; i < r->headers_in.cookies.nelts; i++) { 206 for (i = 0; i < r->headers_in.cookies.nelts; i++) {
208 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, 207 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
209 "cookie: %d:\"%s\"", 208 "cookie: \"%s\"", cookies[i]->value.data);
210 cookies[i], 209
211 headers[cookies[i]].value.data); 210 end = cookies[i]->value.data + cookies[i]->value.len;
212 211
213 end = headers[cookies[i]].value.data + headers[cookies[i]].value.len; 212 for (start = cookies[i]->value.data; start < end; /* void */) {
214 213
215 for (start = headers[cookies[i]].value.data; start < end; /* void */) { 214 if (conf->name.len >= cookies[i]->value.len
216
217 if (conf->name.len >= headers[cookies[i]].value.len
218 || ngx_strncmp(start, conf->name.data, conf->name.len) != 0) 215 || ngx_strncmp(start, conf->name.data, conf->name.len) != 0)
219 { 216 {
220 start += conf->name.len; 217 start += conf->name.len;
221 while (start < end && *start++ != ';') { /* void */ } 218 while (start < end && *start++ != ';') { /* void */ }
222 219
239 for (last = start; last < end && *last != ';'; last++) { /**/ } 236 for (last = start; last < end && *last != ';'; last++) { /**/ }
240 237
241 if (last - start < 22) { 238 if (last - start < 22) {
242 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, 239 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
243 "client sent too short userid cookie \"%s\"", 240 "client sent too short userid cookie \"%s\"",
244 headers[cookies[i]].value.data); 241 cookies[i]->value.data);
245 break; 242 break;
246 } 243 }
247 244
248 /* 245 /*
249 * we have to limit encoded string to 22 characters 246 * we have to limit encoded string to 22 characters
256 dst.data = (u_char *) ctx->uid_got; 253 dst.data = (u_char *) ctx->uid_got;
257 254
258 if (ngx_decode_base64(&src, &dst) == NGX_ERROR) { 255 if (ngx_decode_base64(&src, &dst) == NGX_ERROR) {
259 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, 256 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
260 "client sent invalid userid cookie \"%s\"", 257 "client sent invalid userid cookie \"%s\"",
261 headers[cookies[i]].value.data); 258 cookies[i]->value.data);
262 break; 259 break;
263 } 260 }
264 261
265 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, 262 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
266 "uid: %08X%08X%08X%08X", 263 "uid: %08X%08X%08X%08X",
382 *p = '\0'; 379 *p = '\0';
383 380
384 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, 381 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
385 "uid cookie: \"%s\"", cookie); 382 "uid cookie: \"%s\"", cookie);
386 383
387 set_cookie = ngx_http_add_header(&r->headers_out, ngx_http_headers_out); 384 if (!(set_cookie = ngx_push_list(&r->headers_out.headers))) {
388 if (set_cookie == NULL) {
389 return NGX_ERROR; 385 return NGX_ERROR;
390 } 386 }
391 387
392 set_cookie->key.len = sizeof("Set-Cookie") - 1; 388 set_cookie->key.len = sizeof("Set-Cookie") - 1;
393 set_cookie->key.data = (u_char *) "Set-Cookie"; 389 set_cookie->key.data = (u_char *) "Set-Cookie";