henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * libjingle |
| 3 | * Copyright 2004--2005, Google Inc. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright notice, |
| 9 | * this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * 3. The name of the author may not be used to endorse or promote products |
| 14 | * derived from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| 19 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 20 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 22 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 23 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 24 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 25 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #include <time.h> |
| 29 | |
| 30 | #ifdef WIN32 |
| 31 | #define WIN32_LEAN_AND_MEAN |
| 32 | #include <windows.h> |
| 33 | #include <winsock2.h> |
| 34 | #include <ws2tcpip.h> |
| 35 | #define SECURITY_WIN32 |
| 36 | #include <security.h> |
| 37 | #endif |
| 38 | |
| 39 | #include "talk/base/httpcommon-inl.h" |
| 40 | |
| 41 | #include "talk/base/base64.h" |
| 42 | #include "talk/base/common.h" |
| 43 | #include "talk/base/cryptstring.h" |
| 44 | #include "talk/base/httpcommon.h" |
| 45 | #include "talk/base/socketaddress.h" |
| 46 | #include "talk/base/stringdigest.h" |
| 47 | #include "talk/base/stringencode.h" |
| 48 | #include "talk/base/stringutils.h" |
| 49 | |
| 50 | namespace talk_base { |
| 51 | |
| 52 | #ifdef WIN32 |
| 53 | extern const ConstantLabel SECURITY_ERRORS[]; |
| 54 | #endif |
| 55 | |
| 56 | ////////////////////////////////////////////////////////////////////// |
| 57 | // Enum - TODO: expose globally later? |
| 58 | ////////////////////////////////////////////////////////////////////// |
| 59 | |
| 60 | bool find_string(size_t& index, const std::string& needle, |
| 61 | const char* const haystack[], size_t max_index) { |
| 62 | for (index=0; index<max_index; ++index) { |
| 63 | if (_stricmp(needle.c_str(), haystack[index]) == 0) { |
| 64 | return true; |
| 65 | } |
| 66 | } |
| 67 | return false; |
| 68 | } |
| 69 | |
| 70 | template<class E> |
| 71 | struct Enum { |
| 72 | static const char** Names; |
| 73 | static size_t Size; |
| 74 | |
| 75 | static inline const char* Name(E val) { return Names[val]; } |
| 76 | static inline bool Parse(E& val, const std::string& name) { |
| 77 | size_t index; |
| 78 | if (!find_string(index, name, Names, Size)) |
| 79 | return false; |
| 80 | val = static_cast<E>(index); |
| 81 | return true; |
| 82 | } |
| 83 | |
| 84 | E val; |
| 85 | |
| 86 | inline operator E&() { return val; } |
| 87 | inline Enum& operator=(E rhs) { val = rhs; return *this; } |
| 88 | |
| 89 | inline const char* name() const { return Name(val); } |
| 90 | inline bool assign(const std::string& name) { return Parse(val, name); } |
| 91 | inline Enum& operator=(const std::string& rhs) { assign(rhs); return *this; } |
| 92 | }; |
| 93 | |
| 94 | #define ENUM(e,n) \ |
| 95 | template<> const char** Enum<e>::Names = n; \ |
| 96 | template<> size_t Enum<e>::Size = sizeof(n)/sizeof(n[0]) |
| 97 | |
| 98 | ////////////////////////////////////////////////////////////////////// |
| 99 | // HttpCommon |
| 100 | ////////////////////////////////////////////////////////////////////// |
| 101 | |
| 102 | static const char* kHttpVersions[HVER_LAST+1] = { |
| 103 | "1.0", "1.1", "Unknown" |
| 104 | }; |
| 105 | ENUM(HttpVersion, kHttpVersions); |
| 106 | |
| 107 | static const char* kHttpVerbs[HV_LAST+1] = { |
| 108 | "GET", "POST", "PUT", "DELETE", "CONNECT", "HEAD" |
| 109 | }; |
| 110 | ENUM(HttpVerb, kHttpVerbs); |
| 111 | |
| 112 | static const char* kHttpHeaders[HH_LAST+1] = { |
| 113 | "Age", |
| 114 | "Cache-Control", |
| 115 | "Connection", |
| 116 | "Content-Disposition", |
| 117 | "Content-Length", |
| 118 | "Content-Range", |
| 119 | "Content-Type", |
| 120 | "Cookie", |
| 121 | "Date", |
| 122 | "ETag", |
| 123 | "Expires", |
| 124 | "Host", |
| 125 | "If-Modified-Since", |
| 126 | "If-None-Match", |
| 127 | "Keep-Alive", |
| 128 | "Last-Modified", |
| 129 | "Location", |
| 130 | "Proxy-Authenticate", |
| 131 | "Proxy-Authorization", |
| 132 | "Proxy-Connection", |
| 133 | "Range", |
| 134 | "Set-Cookie", |
| 135 | "TE", |
| 136 | "Trailers", |
| 137 | "Transfer-Encoding", |
| 138 | "Upgrade", |
| 139 | "User-Agent", |
| 140 | "WWW-Authenticate", |
| 141 | }; |
| 142 | ENUM(HttpHeader, kHttpHeaders); |
| 143 | |
| 144 | const char* ToString(HttpVersion version) { |
| 145 | return Enum<HttpVersion>::Name(version); |
| 146 | } |
| 147 | |
| 148 | bool FromString(HttpVersion& version, const std::string& str) { |
| 149 | return Enum<HttpVersion>::Parse(version, str); |
| 150 | } |
| 151 | |
| 152 | const char* ToString(HttpVerb verb) { |
| 153 | return Enum<HttpVerb>::Name(verb); |
| 154 | } |
| 155 | |
| 156 | bool FromString(HttpVerb& verb, const std::string& str) { |
| 157 | return Enum<HttpVerb>::Parse(verb, str); |
| 158 | } |
| 159 | |
| 160 | const char* ToString(HttpHeader header) { |
| 161 | return Enum<HttpHeader>::Name(header); |
| 162 | } |
| 163 | |
| 164 | bool FromString(HttpHeader& header, const std::string& str) { |
| 165 | return Enum<HttpHeader>::Parse(header, str); |
| 166 | } |
| 167 | |
| 168 | bool HttpCodeHasBody(uint32 code) { |
| 169 | return !HttpCodeIsInformational(code) |
| 170 | && (code != HC_NO_CONTENT) && (code != HC_NOT_MODIFIED); |
| 171 | } |
| 172 | |
| 173 | bool HttpCodeIsCacheable(uint32 code) { |
| 174 | switch (code) { |
| 175 | case HC_OK: |
| 176 | case HC_NON_AUTHORITATIVE: |
| 177 | case HC_PARTIAL_CONTENT: |
| 178 | case HC_MULTIPLE_CHOICES: |
| 179 | case HC_MOVED_PERMANENTLY: |
| 180 | case HC_GONE: |
| 181 | return true; |
| 182 | default: |
| 183 | return false; |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | bool HttpHeaderIsEndToEnd(HttpHeader header) { |
| 188 | switch (header) { |
| 189 | case HH_CONNECTION: |
| 190 | case HH_KEEP_ALIVE: |
| 191 | case HH_PROXY_AUTHENTICATE: |
| 192 | case HH_PROXY_AUTHORIZATION: |
| 193 | case HH_PROXY_CONNECTION: // Note part of RFC... this is non-standard header |
| 194 | case HH_TE: |
| 195 | case HH_TRAILERS: |
| 196 | case HH_TRANSFER_ENCODING: |
| 197 | case HH_UPGRADE: |
| 198 | return false; |
| 199 | default: |
| 200 | return true; |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | bool HttpHeaderIsCollapsible(HttpHeader header) { |
| 205 | switch (header) { |
| 206 | case HH_SET_COOKIE: |
| 207 | case HH_PROXY_AUTHENTICATE: |
| 208 | case HH_WWW_AUTHENTICATE: |
| 209 | return false; |
| 210 | default: |
| 211 | return true; |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | bool HttpShouldKeepAlive(const HttpData& data) { |
| 216 | std::string connection; |
| 217 | if ((data.hasHeader(HH_PROXY_CONNECTION, &connection) |
| 218 | || data.hasHeader(HH_CONNECTION, &connection))) { |
| 219 | return (_stricmp(connection.c_str(), "Keep-Alive") == 0); |
| 220 | } |
| 221 | return (data.version >= HVER_1_1); |
| 222 | } |
| 223 | |
| 224 | namespace { |
| 225 | |
| 226 | inline bool IsEndOfAttributeName(size_t pos, size_t len, const char * data) { |
| 227 | if (pos >= len) |
| 228 | return true; |
| 229 | if (isspace(static_cast<unsigned char>(data[pos]))) |
| 230 | return true; |
| 231 | // The reason for this complexity is that some attributes may contain trailing |
| 232 | // equal signs (like base64 tokens in Negotiate auth headers) |
| 233 | if ((pos+1 < len) && (data[pos] == '=') && |
| 234 | !isspace(static_cast<unsigned char>(data[pos+1])) && |
| 235 | (data[pos+1] != '=')) { |
| 236 | return true; |
| 237 | } |
| 238 | return false; |
| 239 | } |
| 240 | |
| 241 | // TODO: unittest for EscapeAttribute and HttpComposeAttributes. |
| 242 | |
| 243 | std::string EscapeAttribute(const std::string& attribute) { |
| 244 | const size_t kMaxLength = attribute.length() * 2 + 1; |
| 245 | char* buffer = STACK_ARRAY(char, kMaxLength); |
| 246 | size_t len = escape(buffer, kMaxLength, attribute.data(), attribute.length(), |
| 247 | "\"", '\\'); |
| 248 | return std::string(buffer, len); |
| 249 | } |
| 250 | |
| 251 | } // anonymous namespace |
| 252 | |
| 253 | void HttpComposeAttributes(const HttpAttributeList& attributes, char separator, |
| 254 | std::string* composed) { |
| 255 | std::stringstream ss; |
| 256 | for (size_t i=0; i<attributes.size(); ++i) { |
| 257 | if (i > 0) { |
| 258 | ss << separator << " "; |
| 259 | } |
| 260 | ss << attributes[i].first; |
| 261 | if (!attributes[i].second.empty()) { |
| 262 | ss << "=\"" << EscapeAttribute(attributes[i].second) << "\""; |
| 263 | } |
| 264 | } |
| 265 | *composed = ss.str(); |
| 266 | } |
| 267 | |
| 268 | void HttpParseAttributes(const char * data, size_t len, |
| 269 | HttpAttributeList& attributes) { |
| 270 | size_t pos = 0; |
| 271 | while (true) { |
| 272 | // Skip leading whitespace |
| 273 | while ((pos < len) && isspace(static_cast<unsigned char>(data[pos]))) { |
| 274 | ++pos; |
| 275 | } |
| 276 | |
| 277 | // End of attributes? |
| 278 | if (pos >= len) |
| 279 | return; |
| 280 | |
| 281 | // Find end of attribute name |
| 282 | size_t start = pos; |
| 283 | while (!IsEndOfAttributeName(pos, len, data)) { |
| 284 | ++pos; |
| 285 | } |
| 286 | |
| 287 | HttpAttribute attribute; |
| 288 | attribute.first.assign(data + start, data + pos); |
| 289 | |
| 290 | // Attribute has value? |
| 291 | if ((pos < len) && (data[pos] == '=')) { |
| 292 | ++pos; // Skip '=' |
| 293 | // Check if quoted value |
| 294 | if ((pos < len) && (data[pos] == '"')) { |
| 295 | while (++pos < len) { |
| 296 | if (data[pos] == '"') { |
| 297 | ++pos; |
| 298 | break; |
| 299 | } |
| 300 | if ((data[pos] == '\\') && (pos + 1 < len)) |
| 301 | ++pos; |
| 302 | attribute.second.append(1, data[pos]); |
| 303 | } |
| 304 | } else { |
| 305 | while ((pos < len) && |
| 306 | !isspace(static_cast<unsigned char>(data[pos])) && |
| 307 | (data[pos] != ',')) { |
| 308 | attribute.second.append(1, data[pos++]); |
| 309 | } |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | attributes.push_back(attribute); |
| 314 | if ((pos < len) && (data[pos] == ',')) ++pos; // Skip ',' |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | bool HttpHasAttribute(const HttpAttributeList& attributes, |
| 319 | const std::string& name, |
| 320 | std::string* value) { |
| 321 | for (HttpAttributeList::const_iterator it = attributes.begin(); |
| 322 | it != attributes.end(); ++it) { |
| 323 | if (it->first == name) { |
| 324 | if (value) { |
| 325 | *value = it->second; |
| 326 | } |
| 327 | return true; |
| 328 | } |
| 329 | } |
| 330 | return false; |
| 331 | } |
| 332 | |
| 333 | bool HttpHasNthAttribute(HttpAttributeList& attributes, |
| 334 | size_t index, |
| 335 | std::string* name, |
| 336 | std::string* value) { |
| 337 | if (index >= attributes.size()) |
| 338 | return false; |
| 339 | |
| 340 | if (name) |
| 341 | *name = attributes[index].first; |
| 342 | if (value) |
| 343 | *value = attributes[index].second; |
| 344 | return true; |
| 345 | } |
| 346 | |
| 347 | bool HttpDateToSeconds(const std::string& date, time_t* seconds) { |
| 348 | const char* const kTimeZones[] = { |
| 349 | "UT", "GMT", "EST", "EDT", "CST", "CDT", "MST", "MDT", "PST", "PDT", |
| 350 | "A", "B", "C", "D", "E", "F", "G", "H", "I", "K", "L", "M", |
| 351 | "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y" |
| 352 | }; |
| 353 | const int kTimeZoneOffsets[] = { |
| 354 | 0, 0, -5, -4, -6, -5, -7, -6, -8, -7, |
| 355 | -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12, |
| 356 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 |
| 357 | }; |
| 358 | |
| 359 | ASSERT(NULL != seconds); |
| 360 | struct tm tval; |
| 361 | memset(&tval, 0, sizeof(tval)); |
| 362 | char month[4], zone[6]; |
| 363 | memset(month, 0, sizeof(month)); |
| 364 | memset(zone, 0, sizeof(zone)); |
| 365 | |
| 366 | if (7 != sscanf(date.c_str(), "%*3s, %d %3s %d %d:%d:%d %5c", |
| 367 | &tval.tm_mday, month, &tval.tm_year, |
| 368 | &tval.tm_hour, &tval.tm_min, &tval.tm_sec, zone)) { |
| 369 | return false; |
| 370 | } |
| 371 | switch (toupper(month[2])) { |
| 372 | case 'N': tval.tm_mon = (month[1] == 'A') ? 0 : 5; break; |
| 373 | case 'B': tval.tm_mon = 1; break; |
| 374 | case 'R': tval.tm_mon = (month[0] == 'M') ? 2 : 3; break; |
| 375 | case 'Y': tval.tm_mon = 4; break; |
| 376 | case 'L': tval.tm_mon = 6; break; |
| 377 | case 'G': tval.tm_mon = 7; break; |
| 378 | case 'P': tval.tm_mon = 8; break; |
| 379 | case 'T': tval.tm_mon = 9; break; |
| 380 | case 'V': tval.tm_mon = 10; break; |
| 381 | case 'C': tval.tm_mon = 11; break; |
| 382 | } |
| 383 | tval.tm_year -= 1900; |
| 384 | size_t gmt, non_gmt = mktime(&tval); |
| 385 | if ((zone[0] == '+') || (zone[0] == '-')) { |
| 386 | if (!isdigit(zone[1]) || !isdigit(zone[2]) |
| 387 | || !isdigit(zone[3]) || !isdigit(zone[4])) { |
| 388 | return false; |
| 389 | } |
| 390 | int hours = (zone[1] - '0') * 10 + (zone[2] - '0'); |
| 391 | int minutes = (zone[3] - '0') * 10 + (zone[4] - '0'); |
| 392 | int offset = (hours * 60 + minutes) * 60; |
| 393 | gmt = non_gmt + ((zone[0] == '+') ? offset : -offset); |
| 394 | } else { |
| 395 | size_t zindex; |
| 396 | if (!find_string(zindex, zone, kTimeZones, ARRAY_SIZE(kTimeZones))) { |
| 397 | return false; |
| 398 | } |
| 399 | gmt = non_gmt + kTimeZoneOffsets[zindex] * 60 * 60; |
| 400 | } |
| 401 | // TODO: Android should support timezone, see b/2441195 |
| 402 | #if defined(OSX) || defined(ANDROID) || defined(BSD) |
| 403 | tm *tm_for_timezone = localtime((time_t *)&gmt); |
| 404 | *seconds = gmt + tm_for_timezone->tm_gmtoff; |
| 405 | #else |
| 406 | *seconds = gmt - timezone; |
| 407 | #endif |
| 408 | return true; |
| 409 | } |
| 410 | |
| 411 | std::string HttpAddress(const SocketAddress& address, bool secure) { |
| 412 | return (address.port() == HttpDefaultPort(secure)) |
| 413 | ? address.hostname() : address.ToString(); |
| 414 | } |
| 415 | |
| 416 | ////////////////////////////////////////////////////////////////////// |
| 417 | // HttpData |
| 418 | ////////////////////////////////////////////////////////////////////// |
| 419 | |
| 420 | void |
| 421 | HttpData::clear(bool release_document) { |
| 422 | // Clear headers first, since releasing a document may have far-reaching |
| 423 | // effects. |
| 424 | headers_.clear(); |
| 425 | if (release_document) { |
| 426 | document.reset(); |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | void |
| 431 | HttpData::copy(const HttpData& src) { |
| 432 | headers_ = src.headers_; |
| 433 | } |
| 434 | |
| 435 | void |
| 436 | HttpData::changeHeader(const std::string& name, const std::string& value, |
| 437 | HeaderCombine combine) { |
| 438 | if (combine == HC_AUTO) { |
| 439 | HttpHeader header; |
| 440 | // Unrecognized headers are collapsible |
| 441 | combine = !FromString(header, name) || HttpHeaderIsCollapsible(header) |
| 442 | ? HC_YES : HC_NO; |
| 443 | } else if (combine == HC_REPLACE) { |
| 444 | headers_.erase(name); |
| 445 | combine = HC_NO; |
| 446 | } |
| 447 | // At this point, combine is one of (YES, NO, NEW) |
| 448 | if (combine != HC_NO) { |
| 449 | HeaderMap::iterator it = headers_.find(name); |
| 450 | if (it != headers_.end()) { |
| 451 | if (combine == HC_YES) { |
| 452 | it->second.append(","); |
| 453 | it->second.append(value); |
| 454 | } |
| 455 | return; |
| 456 | } |
| 457 | } |
| 458 | headers_.insert(HeaderMap::value_type(name, value)); |
| 459 | } |
| 460 | |
| 461 | size_t HttpData::clearHeader(const std::string& name) { |
| 462 | return headers_.erase(name); |
| 463 | } |
| 464 | |
| 465 | HttpData::iterator HttpData::clearHeader(iterator header) { |
| 466 | iterator deprecated = header++; |
| 467 | headers_.erase(deprecated); |
| 468 | return header; |
| 469 | } |
| 470 | |
| 471 | bool |
| 472 | HttpData::hasHeader(const std::string& name, std::string* value) const { |
| 473 | HeaderMap::const_iterator it = headers_.find(name); |
| 474 | if (it == headers_.end()) { |
| 475 | return false; |
| 476 | } else if (value) { |
| 477 | *value = it->second; |
| 478 | } |
| 479 | return true; |
| 480 | } |
| 481 | |
| 482 | void HttpData::setContent(const std::string& content_type, |
| 483 | StreamInterface* document) { |
| 484 | setHeader(HH_CONTENT_TYPE, content_type); |
| 485 | setDocumentAndLength(document); |
| 486 | } |
| 487 | |
| 488 | void HttpData::setDocumentAndLength(StreamInterface* document) { |
| 489 | // TODO: Consider calling Rewind() here? |
| 490 | ASSERT(!hasHeader(HH_CONTENT_LENGTH, NULL)); |
| 491 | ASSERT(!hasHeader(HH_TRANSFER_ENCODING, NULL)); |
| 492 | ASSERT(document != NULL); |
| 493 | this->document.reset(document); |
| 494 | size_t content_length = 0; |
| 495 | if (this->document->GetAvailable(&content_length)) { |
| 496 | char buffer[32]; |
| 497 | sprintfn(buffer, sizeof(buffer), "%d", content_length); |
| 498 | setHeader(HH_CONTENT_LENGTH, buffer); |
| 499 | } else { |
| 500 | setHeader(HH_TRANSFER_ENCODING, "chunked"); |
| 501 | } |
| 502 | } |
| 503 | |
| 504 | // |
| 505 | // HttpRequestData |
| 506 | // |
| 507 | |
| 508 | void |
| 509 | HttpRequestData::clear(bool release_document) { |
| 510 | verb = HV_GET; |
| 511 | path.clear(); |
| 512 | HttpData::clear(release_document); |
| 513 | } |
| 514 | |
| 515 | void |
| 516 | HttpRequestData::copy(const HttpRequestData& src) { |
| 517 | verb = src.verb; |
| 518 | path = src.path; |
| 519 | HttpData::copy(src); |
| 520 | } |
| 521 | |
| 522 | size_t |
| 523 | HttpRequestData::formatLeader(char* buffer, size_t size) const { |
| 524 | ASSERT(path.find(' ') == std::string::npos); |
| 525 | return sprintfn(buffer, size, "%s %.*s HTTP/%s", ToString(verb), path.size(), |
| 526 | path.data(), ToString(version)); |
| 527 | } |
| 528 | |
| 529 | HttpError |
| 530 | HttpRequestData::parseLeader(const char* line, size_t len) { |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 531 | unsigned int vmajor, vminor; |
| 532 | int vend, dstart, dend; |
wu@webrtc.org | d156f12 | 2013-08-01 00:00:07 +0000 | [diff] [blame] | 533 | // sscanf isn't safe with strings that aren't null-terminated, and there is |
| 534 | // no guarantee that |line| is. Create a local copy that is null-terminated. |
| 535 | std::string line_str(line, len); |
| 536 | line = line_str.c_str(); |
| 537 | if ((sscanf(line, "%*s%n %n%*s%n HTTP/%u.%u", |
| 538 | &vend, &dstart, &dend, &vmajor, &vminor) != 2) |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 539 | || (vmajor != 1)) { |
| 540 | return HE_PROTOCOL; |
| 541 | } |
| 542 | if (vminor == 0) { |
| 543 | version = HVER_1_0; |
| 544 | } else if (vminor == 1) { |
| 545 | version = HVER_1_1; |
| 546 | } else { |
| 547 | return HE_PROTOCOL; |
| 548 | } |
| 549 | std::string sverb(line, vend); |
| 550 | if (!FromString(verb, sverb.c_str())) { |
| 551 | return HE_PROTOCOL; // !?! HC_METHOD_NOT_SUPPORTED? |
| 552 | } |
| 553 | path.assign(line + dstart, line + dend); |
| 554 | return HE_NONE; |
| 555 | } |
| 556 | |
| 557 | bool HttpRequestData::getAbsoluteUri(std::string* uri) const { |
| 558 | if (HV_CONNECT == verb) |
| 559 | return false; |
| 560 | Url<char> url(path); |
| 561 | if (url.valid()) { |
| 562 | uri->assign(path); |
| 563 | return true; |
| 564 | } |
| 565 | std::string host; |
| 566 | if (!hasHeader(HH_HOST, &host)) |
| 567 | return false; |
| 568 | url.set_address(host); |
| 569 | url.set_full_path(path); |
| 570 | uri->assign(url.url()); |
| 571 | return url.valid(); |
| 572 | } |
| 573 | |
| 574 | bool HttpRequestData::getRelativeUri(std::string* host, |
| 575 | std::string* path) const |
| 576 | { |
| 577 | if (HV_CONNECT == verb) |
| 578 | return false; |
| 579 | Url<char> url(this->path); |
| 580 | if (url.valid()) { |
| 581 | host->assign(url.address()); |
| 582 | path->assign(url.full_path()); |
| 583 | return true; |
| 584 | } |
| 585 | if (!hasHeader(HH_HOST, host)) |
| 586 | return false; |
| 587 | path->assign(this->path); |
| 588 | return true; |
| 589 | } |
| 590 | |
| 591 | // |
| 592 | // HttpResponseData |
| 593 | // |
| 594 | |
| 595 | void |
| 596 | HttpResponseData::clear(bool release_document) { |
| 597 | scode = HC_INTERNAL_SERVER_ERROR; |
| 598 | message.clear(); |
| 599 | HttpData::clear(release_document); |
| 600 | } |
| 601 | |
| 602 | void |
| 603 | HttpResponseData::copy(const HttpResponseData& src) { |
| 604 | scode = src.scode; |
| 605 | message = src.message; |
| 606 | HttpData::copy(src); |
| 607 | } |
| 608 | |
| 609 | void |
| 610 | HttpResponseData::set_success(uint32 scode) { |
| 611 | this->scode = scode; |
| 612 | message.clear(); |
| 613 | setHeader(HH_CONTENT_LENGTH, "0", false); |
| 614 | } |
| 615 | |
| 616 | void |
| 617 | HttpResponseData::set_success(const std::string& content_type, |
| 618 | StreamInterface* document, |
| 619 | uint32 scode) { |
| 620 | this->scode = scode; |
| 621 | message.erase(message.begin(), message.end()); |
| 622 | setContent(content_type, document); |
| 623 | } |
| 624 | |
| 625 | void |
| 626 | HttpResponseData::set_redirect(const std::string& location, uint32 scode) { |
| 627 | this->scode = scode; |
| 628 | message.clear(); |
| 629 | setHeader(HH_LOCATION, location); |
| 630 | setHeader(HH_CONTENT_LENGTH, "0", false); |
| 631 | } |
| 632 | |
| 633 | void |
| 634 | HttpResponseData::set_error(uint32 scode) { |
| 635 | this->scode = scode; |
| 636 | message.clear(); |
| 637 | setHeader(HH_CONTENT_LENGTH, "0", false); |
| 638 | } |
| 639 | |
| 640 | size_t |
| 641 | HttpResponseData::formatLeader(char* buffer, size_t size) const { |
| 642 | size_t len = sprintfn(buffer, size, "HTTP/%s %lu", ToString(version), scode); |
| 643 | if (!message.empty()) { |
| 644 | len += sprintfn(buffer + len, size - len, " %.*s", |
| 645 | message.size(), message.data()); |
| 646 | } |
| 647 | return len; |
| 648 | } |
| 649 | |
| 650 | HttpError |
| 651 | HttpResponseData::parseLeader(const char* line, size_t len) { |
| 652 | size_t pos = 0; |
| 653 | unsigned int vmajor, vminor, temp_scode; |
| 654 | int temp_pos; |
wu@webrtc.org | d156f12 | 2013-08-01 00:00:07 +0000 | [diff] [blame] | 655 | // sscanf isn't safe with strings that aren't null-terminated, and there is |
| 656 | // no guarantee that |line| is. Create a local copy that is null-terminated. |
| 657 | std::string line_str(line, len); |
| 658 | line = line_str.c_str(); |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 659 | if (sscanf(line, "HTTP %u%n", |
| 660 | &temp_scode, &temp_pos) == 1) { |
| 661 | // This server's response has no version. :( NOTE: This happens for every |
| 662 | // response to requests made from Chrome plugins, regardless of the server's |
| 663 | // behaviour. |
| 664 | LOG(LS_VERBOSE) << "HTTP version missing from response"; |
| 665 | version = HVER_UNKNOWN; |
| 666 | } else if ((sscanf(line, "HTTP/%u.%u %u%n", |
| 667 | &vmajor, &vminor, &temp_scode, &temp_pos) == 3) |
| 668 | && (vmajor == 1)) { |
| 669 | // This server's response does have a version. |
| 670 | if (vminor == 0) { |
| 671 | version = HVER_1_0; |
| 672 | } else if (vminor == 1) { |
| 673 | version = HVER_1_1; |
| 674 | } else { |
| 675 | return HE_PROTOCOL; |
| 676 | } |
| 677 | } else { |
| 678 | return HE_PROTOCOL; |
| 679 | } |
| 680 | scode = temp_scode; |
| 681 | pos = static_cast<size_t>(temp_pos); |
| 682 | while ((pos < len) && isspace(static_cast<unsigned char>(line[pos]))) ++pos; |
| 683 | message.assign(line + pos, len - pos); |
| 684 | return HE_NONE; |
| 685 | } |
| 686 | |
| 687 | ////////////////////////////////////////////////////////////////////// |
| 688 | // Http Authentication |
| 689 | ////////////////////////////////////////////////////////////////////// |
| 690 | |
| 691 | #define TEST_DIGEST 0 |
| 692 | #if TEST_DIGEST |
| 693 | /* |
| 694 | const char * const DIGEST_CHALLENGE = |
| 695 | "Digest realm=\"testrealm@host.com\"," |
| 696 | " qop=\"auth,auth-int\"," |
| 697 | " nonce=\"dcd98b7102dd2f0e8b11d0f600bfb0c093\"," |
| 698 | " opaque=\"5ccc069c403ebaf9f0171e9517f40e41\""; |
| 699 | const char * const DIGEST_METHOD = "GET"; |
| 700 | const char * const DIGEST_URI = |
| 701 | "/dir/index.html";; |
| 702 | const char * const DIGEST_CNONCE = |
| 703 | "0a4f113b"; |
| 704 | const char * const DIGEST_RESPONSE = |
| 705 | "6629fae49393a05397450978507c4ef1"; |
| 706 | //user_ = "Mufasa"; |
| 707 | //pass_ = "Circle Of Life"; |
| 708 | */ |
| 709 | const char * const DIGEST_CHALLENGE = |
| 710 | "Digest realm=\"Squid proxy-caching web server\"," |
| 711 | " nonce=\"Nny4QuC5PwiSDixJ\"," |
| 712 | " qop=\"auth\"," |
| 713 | " stale=false"; |
| 714 | const char * const DIGEST_URI = |
| 715 | "/"; |
| 716 | const char * const DIGEST_CNONCE = |
| 717 | "6501d58e9a21cee1e7b5fec894ded024"; |
| 718 | const char * const DIGEST_RESPONSE = |
| 719 | "edffcb0829e755838b073a4a42de06bc"; |
| 720 | #endif |
| 721 | |
| 722 | std::string quote(const std::string& str) { |
| 723 | std::string result; |
| 724 | result.push_back('"'); |
| 725 | for (size_t i=0; i<str.size(); ++i) { |
| 726 | if ((str[i] == '"') || (str[i] == '\\')) |
| 727 | result.push_back('\\'); |
| 728 | result.push_back(str[i]); |
| 729 | } |
| 730 | result.push_back('"'); |
| 731 | return result; |
| 732 | } |
| 733 | |
| 734 | #ifdef WIN32 |
| 735 | struct NegotiateAuthContext : public HttpAuthContext { |
| 736 | CredHandle cred; |
| 737 | CtxtHandle ctx; |
| 738 | size_t steps; |
| 739 | bool specified_credentials; |
| 740 | |
| 741 | NegotiateAuthContext(const std::string& auth, CredHandle c1, CtxtHandle c2) |
| 742 | : HttpAuthContext(auth), cred(c1), ctx(c2), steps(0), |
| 743 | specified_credentials(false) |
| 744 | { } |
| 745 | |
| 746 | virtual ~NegotiateAuthContext() { |
| 747 | DeleteSecurityContext(&ctx); |
| 748 | FreeCredentialsHandle(&cred); |
| 749 | } |
| 750 | }; |
| 751 | #endif // WIN32 |
| 752 | |
| 753 | HttpAuthResult HttpAuthenticate( |
| 754 | const char * challenge, size_t len, |
| 755 | const SocketAddress& server, |
| 756 | const std::string& method, const std::string& uri, |
| 757 | const std::string& username, const CryptString& password, |
| 758 | HttpAuthContext *& context, std::string& response, std::string& auth_method) |
| 759 | { |
| 760 | #if TEST_DIGEST |
| 761 | challenge = DIGEST_CHALLENGE; |
| 762 | len = strlen(challenge); |
| 763 | #endif |
| 764 | |
| 765 | HttpAttributeList args; |
| 766 | HttpParseAttributes(challenge, len, args); |
| 767 | HttpHasNthAttribute(args, 0, &auth_method, NULL); |
| 768 | |
| 769 | if (context && (context->auth_method != auth_method)) |
| 770 | return HAR_IGNORE; |
| 771 | |
| 772 | // BASIC |
| 773 | if (_stricmp(auth_method.c_str(), "basic") == 0) { |
| 774 | if (context) |
| 775 | return HAR_CREDENTIALS; // Bad credentials |
| 776 | if (username.empty()) |
| 777 | return HAR_CREDENTIALS; // Missing credentials |
| 778 | |
| 779 | context = new HttpAuthContext(auth_method); |
| 780 | |
| 781 | // TODO: convert sensitive to a secure buffer that gets securely deleted |
| 782 | //std::string decoded = username + ":" + password; |
| 783 | size_t len = username.size() + password.GetLength() + 2; |
| 784 | char * sensitive = new char[len]; |
| 785 | size_t pos = strcpyn(sensitive, len, username.data(), username.size()); |
| 786 | pos += strcpyn(sensitive + pos, len - pos, ":"); |
| 787 | password.CopyTo(sensitive + pos, true); |
| 788 | |
| 789 | response = auth_method; |
| 790 | response.append(" "); |
| 791 | // TODO: create a sensitive-source version of Base64::encode |
| 792 | response.append(Base64::Encode(sensitive)); |
| 793 | memset(sensitive, 0, len); |
| 794 | delete [] sensitive; |
| 795 | return HAR_RESPONSE; |
| 796 | } |
| 797 | |
| 798 | // DIGEST |
| 799 | if (_stricmp(auth_method.c_str(), "digest") == 0) { |
| 800 | if (context) |
| 801 | return HAR_CREDENTIALS; // Bad credentials |
| 802 | if (username.empty()) |
| 803 | return HAR_CREDENTIALS; // Missing credentials |
| 804 | |
| 805 | context = new HttpAuthContext(auth_method); |
| 806 | |
| 807 | std::string cnonce, ncount; |
| 808 | #if TEST_DIGEST |
| 809 | method = DIGEST_METHOD; |
| 810 | uri = DIGEST_URI; |
| 811 | cnonce = DIGEST_CNONCE; |
| 812 | #else |
| 813 | char buffer[256]; |
| 814 | sprintf(buffer, "%d", static_cast<int>(time(0))); |
| 815 | cnonce = MD5(buffer); |
| 816 | #endif |
| 817 | ncount = "00000001"; |
| 818 | |
| 819 | std::string realm, nonce, qop, opaque; |
| 820 | HttpHasAttribute(args, "realm", &realm); |
| 821 | HttpHasAttribute(args, "nonce", &nonce); |
| 822 | bool has_qop = HttpHasAttribute(args, "qop", &qop); |
| 823 | bool has_opaque = HttpHasAttribute(args, "opaque", &opaque); |
| 824 | |
| 825 | // TODO: convert sensitive to be secure buffer |
| 826 | //std::string A1 = username + ":" + realm + ":" + password; |
| 827 | size_t len = username.size() + realm.size() + password.GetLength() + 3; |
| 828 | char * sensitive = new char[len]; // A1 |
| 829 | size_t pos = strcpyn(sensitive, len, username.data(), username.size()); |
| 830 | pos += strcpyn(sensitive + pos, len - pos, ":"); |
| 831 | pos += strcpyn(sensitive + pos, len - pos, realm.c_str()); |
| 832 | pos += strcpyn(sensitive + pos, len - pos, ":"); |
| 833 | password.CopyTo(sensitive + pos, true); |
| 834 | |
| 835 | std::string A2 = method + ":" + uri; |
| 836 | std::string middle; |
| 837 | if (has_qop) { |
| 838 | qop = "auth"; |
| 839 | middle = nonce + ":" + ncount + ":" + cnonce + ":" + qop; |
| 840 | } else { |
| 841 | middle = nonce; |
| 842 | } |
| 843 | std::string HA1 = MD5(sensitive); |
| 844 | memset(sensitive, 0, len); |
| 845 | delete [] sensitive; |
| 846 | std::string HA2 = MD5(A2); |
| 847 | std::string dig_response = MD5(HA1 + ":" + middle + ":" + HA2); |
| 848 | |
| 849 | #if TEST_DIGEST |
| 850 | ASSERT(strcmp(dig_response.c_str(), DIGEST_RESPONSE) == 0); |
| 851 | #endif |
| 852 | |
| 853 | std::stringstream ss; |
| 854 | ss << auth_method; |
| 855 | ss << " username=" << quote(username); |
| 856 | ss << ", realm=" << quote(realm); |
| 857 | ss << ", nonce=" << quote(nonce); |
| 858 | ss << ", uri=" << quote(uri); |
| 859 | if (has_qop) { |
| 860 | ss << ", qop=" << qop; |
| 861 | ss << ", nc=" << ncount; |
| 862 | ss << ", cnonce=" << quote(cnonce); |
| 863 | } |
| 864 | ss << ", response=\"" << dig_response << "\""; |
| 865 | if (has_opaque) { |
| 866 | ss << ", opaque=" << quote(opaque); |
| 867 | } |
| 868 | response = ss.str(); |
| 869 | return HAR_RESPONSE; |
| 870 | } |
| 871 | |
| 872 | #ifdef WIN32 |
| 873 | #if 1 |
| 874 | bool want_negotiate = (_stricmp(auth_method.c_str(), "negotiate") == 0); |
| 875 | bool want_ntlm = (_stricmp(auth_method.c_str(), "ntlm") == 0); |
| 876 | // SPNEGO & NTLM |
| 877 | if (want_negotiate || want_ntlm) { |
| 878 | const size_t MAX_MESSAGE = 12000, MAX_SPN = 256; |
| 879 | char out_buf[MAX_MESSAGE], spn[MAX_SPN]; |
| 880 | |
| 881 | #if 0 // Requires funky windows versions |
| 882 | DWORD len = MAX_SPN; |
| 883 | if (DsMakeSpn("HTTP", server.HostAsURIString().c_str(), NULL, |
| 884 | server.port(), |
| 885 | 0, &len, spn) != ERROR_SUCCESS) { |
| 886 | LOG_F(WARNING) << "(Negotiate) - DsMakeSpn failed"; |
| 887 | return HAR_IGNORE; |
| 888 | } |
| 889 | #else |
| 890 | sprintfn(spn, MAX_SPN, "HTTP/%s", server.ToString().c_str()); |
| 891 | #endif |
| 892 | |
| 893 | SecBuffer out_sec; |
| 894 | out_sec.pvBuffer = out_buf; |
| 895 | out_sec.cbBuffer = sizeof(out_buf); |
| 896 | out_sec.BufferType = SECBUFFER_TOKEN; |
| 897 | |
| 898 | SecBufferDesc out_buf_desc; |
| 899 | out_buf_desc.ulVersion = 0; |
| 900 | out_buf_desc.cBuffers = 1; |
| 901 | out_buf_desc.pBuffers = &out_sec; |
| 902 | |
| 903 | const ULONG NEG_FLAGS_DEFAULT = |
| 904 | //ISC_REQ_ALLOCATE_MEMORY |
| 905 | ISC_REQ_CONFIDENTIALITY |
| 906 | //| ISC_REQ_EXTENDED_ERROR |
| 907 | //| ISC_REQ_INTEGRITY |
| 908 | | ISC_REQ_REPLAY_DETECT |
| 909 | | ISC_REQ_SEQUENCE_DETECT |
| 910 | //| ISC_REQ_STREAM |
| 911 | //| ISC_REQ_USE_SUPPLIED_CREDS |
| 912 | ; |
| 913 | |
| 914 | ::TimeStamp lifetime; |
| 915 | SECURITY_STATUS ret = S_OK; |
| 916 | ULONG ret_flags = 0, flags = NEG_FLAGS_DEFAULT; |
| 917 | |
| 918 | bool specify_credentials = !username.empty(); |
| 919 | size_t steps = 0; |
| 920 | |
| 921 | //uint32 now = Time(); |
| 922 | |
| 923 | NegotiateAuthContext * neg = static_cast<NegotiateAuthContext *>(context); |
| 924 | if (neg) { |
| 925 | const size_t max_steps = 10; |
| 926 | if (++neg->steps >= max_steps) { |
| 927 | LOG(WARNING) << "AsyncHttpsProxySocket::Authenticate(Negotiate) too many retries"; |
| 928 | return HAR_ERROR; |
| 929 | } |
| 930 | steps = neg->steps; |
| 931 | |
| 932 | std::string challenge, decoded_challenge; |
| 933 | if (HttpHasNthAttribute(args, 1, &challenge, NULL) |
| 934 | && Base64::Decode(challenge, Base64::DO_STRICT, |
| 935 | &decoded_challenge, NULL)) { |
| 936 | SecBuffer in_sec; |
| 937 | in_sec.pvBuffer = const_cast<char *>(decoded_challenge.data()); |
| 938 | in_sec.cbBuffer = static_cast<unsigned long>(decoded_challenge.size()); |
| 939 | in_sec.BufferType = SECBUFFER_TOKEN; |
| 940 | |
| 941 | SecBufferDesc in_buf_desc; |
| 942 | in_buf_desc.ulVersion = 0; |
| 943 | in_buf_desc.cBuffers = 1; |
| 944 | in_buf_desc.pBuffers = &in_sec; |
| 945 | |
| 946 | ret = InitializeSecurityContextA(&neg->cred, &neg->ctx, spn, flags, 0, SECURITY_NATIVE_DREP, &in_buf_desc, 0, &neg->ctx, &out_buf_desc, &ret_flags, &lifetime); |
| 947 | //LOG(INFO) << "$$$ InitializeSecurityContext @ " << TimeSince(now); |
| 948 | if (FAILED(ret)) { |
| 949 | LOG(LS_ERROR) << "InitializeSecurityContext returned: " |
| 950 | << ErrorName(ret, SECURITY_ERRORS); |
| 951 | return HAR_ERROR; |
| 952 | } |
| 953 | } else if (neg->specified_credentials) { |
| 954 | // Try again with default credentials |
| 955 | specify_credentials = false; |
| 956 | delete context; |
| 957 | context = neg = 0; |
| 958 | } else { |
| 959 | return HAR_CREDENTIALS; |
| 960 | } |
| 961 | } |
| 962 | |
| 963 | if (!neg) { |
| 964 | unsigned char userbuf[256], passbuf[256], domainbuf[16]; |
| 965 | SEC_WINNT_AUTH_IDENTITY_A auth_id, * pauth_id = 0; |
| 966 | if (specify_credentials) { |
| 967 | memset(&auth_id, 0, sizeof(auth_id)); |
| 968 | size_t len = password.GetLength()+1; |
| 969 | char * sensitive = new char[len]; |
| 970 | password.CopyTo(sensitive, true); |
| 971 | std::string::size_type pos = username.find('\\'); |
| 972 | if (pos == std::string::npos) { |
| 973 | auth_id.UserLength = static_cast<unsigned long>( |
| 974 | _min(sizeof(userbuf) - 1, username.size())); |
| 975 | memcpy(userbuf, username.c_str(), auth_id.UserLength); |
| 976 | userbuf[auth_id.UserLength] = 0; |
| 977 | auth_id.DomainLength = 0; |
| 978 | domainbuf[auth_id.DomainLength] = 0; |
| 979 | auth_id.PasswordLength = static_cast<unsigned long>( |
| 980 | _min(sizeof(passbuf) - 1, password.GetLength())); |
| 981 | memcpy(passbuf, sensitive, auth_id.PasswordLength); |
| 982 | passbuf[auth_id.PasswordLength] = 0; |
| 983 | } else { |
| 984 | auth_id.UserLength = static_cast<unsigned long>( |
| 985 | _min(sizeof(userbuf) - 1, username.size() - pos - 1)); |
| 986 | memcpy(userbuf, username.c_str() + pos + 1, auth_id.UserLength); |
| 987 | userbuf[auth_id.UserLength] = 0; |
| 988 | auth_id.DomainLength = static_cast<unsigned long>( |
| 989 | _min(sizeof(domainbuf) - 1, pos)); |
| 990 | memcpy(domainbuf, username.c_str(), auth_id.DomainLength); |
| 991 | domainbuf[auth_id.DomainLength] = 0; |
| 992 | auth_id.PasswordLength = static_cast<unsigned long>( |
| 993 | _min(sizeof(passbuf) - 1, password.GetLength())); |
| 994 | memcpy(passbuf, sensitive, auth_id.PasswordLength); |
| 995 | passbuf[auth_id.PasswordLength] = 0; |
| 996 | } |
| 997 | memset(sensitive, 0, len); |
| 998 | delete [] sensitive; |
| 999 | auth_id.User = userbuf; |
| 1000 | auth_id.Domain = domainbuf; |
| 1001 | auth_id.Password = passbuf; |
| 1002 | auth_id.Flags = SEC_WINNT_AUTH_IDENTITY_ANSI; |
| 1003 | pauth_id = &auth_id; |
| 1004 | LOG(LS_VERBOSE) << "Negotiate protocol: Using specified credentials"; |
| 1005 | } else { |
| 1006 | LOG(LS_VERBOSE) << "Negotiate protocol: Using default credentials"; |
| 1007 | } |
| 1008 | |
| 1009 | CredHandle cred; |
| 1010 | ret = AcquireCredentialsHandleA(0, want_negotiate ? NEGOSSP_NAME_A : NTLMSP_NAME_A, SECPKG_CRED_OUTBOUND, 0, pauth_id, 0, 0, &cred, &lifetime); |
| 1011 | //LOG(INFO) << "$$$ AcquireCredentialsHandle @ " << TimeSince(now); |
| 1012 | if (ret != SEC_E_OK) { |
| 1013 | LOG(LS_ERROR) << "AcquireCredentialsHandle error: " |
| 1014 | << ErrorName(ret, SECURITY_ERRORS); |
| 1015 | return HAR_IGNORE; |
| 1016 | } |
| 1017 | |
| 1018 | //CSecBufferBundle<5, CSecBufferBase::FreeSSPI> sb_out; |
| 1019 | |
| 1020 | CtxtHandle ctx; |
| 1021 | ret = InitializeSecurityContextA(&cred, 0, spn, flags, 0, SECURITY_NATIVE_DREP, 0, 0, &ctx, &out_buf_desc, &ret_flags, &lifetime); |
| 1022 | //LOG(INFO) << "$$$ InitializeSecurityContext @ " << TimeSince(now); |
| 1023 | if (FAILED(ret)) { |
| 1024 | LOG(LS_ERROR) << "InitializeSecurityContext returned: " |
| 1025 | << ErrorName(ret, SECURITY_ERRORS); |
| 1026 | FreeCredentialsHandle(&cred); |
| 1027 | return HAR_IGNORE; |
| 1028 | } |
| 1029 | |
| 1030 | ASSERT(!context); |
| 1031 | context = neg = new NegotiateAuthContext(auth_method, cred, ctx); |
| 1032 | neg->specified_credentials = specify_credentials; |
| 1033 | neg->steps = steps; |
| 1034 | } |
| 1035 | |
| 1036 | if ((ret == SEC_I_COMPLETE_NEEDED) || (ret == SEC_I_COMPLETE_AND_CONTINUE)) { |
| 1037 | ret = CompleteAuthToken(&neg->ctx, &out_buf_desc); |
| 1038 | //LOG(INFO) << "$$$ CompleteAuthToken @ " << TimeSince(now); |
| 1039 | LOG(LS_VERBOSE) << "CompleteAuthToken returned: " |
| 1040 | << ErrorName(ret, SECURITY_ERRORS); |
| 1041 | if (FAILED(ret)) { |
| 1042 | return HAR_ERROR; |
| 1043 | } |
| 1044 | } |
| 1045 | |
| 1046 | //LOG(INFO) << "$$$ NEGOTIATE took " << TimeSince(now) << "ms"; |
| 1047 | |
| 1048 | std::string decoded(out_buf, out_buf + out_sec.cbBuffer); |
| 1049 | response = auth_method; |
| 1050 | response.append(" "); |
| 1051 | response.append(Base64::Encode(decoded)); |
| 1052 | return HAR_RESPONSE; |
| 1053 | } |
| 1054 | #endif |
| 1055 | #endif // WIN32 |
| 1056 | |
| 1057 | return HAR_IGNORE; |
| 1058 | } |
| 1059 | |
| 1060 | ////////////////////////////////////////////////////////////////////// |
| 1061 | |
| 1062 | } // namespace talk_base |