Daniel Veillard | 0604743 | 2000-04-24 11:33:38 +0000 | [diff] [blame] | 1 | /* |
| 2 | * nanoftp.c: basic handling of an FTP command connection to check for |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 3 | * directory availability. No transfer is needed. |
| 4 | * |
| 5 | * Reference: RFC 959 |
| 6 | */ |
| 7 | |
| 8 | #ifdef WIN32 |
Daniel Veillard | f341f93 | 2000-02-02 14:52:08 +0000 | [diff] [blame] | 9 | #define INCLUDE_WINSOCK |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 10 | #include "win32config.h" |
| 11 | #else |
| 12 | #include "config.h" |
| 13 | #endif |
Daniel Veillard | 0604743 | 2000-04-24 11:33:38 +0000 | [diff] [blame] | 14 | |
Daniel Veillard | 361d845 | 2000-04-03 19:48:13 +0000 | [diff] [blame] | 15 | #include "xmlversion.h" |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 16 | |
Daniel Veillard | 361d845 | 2000-04-03 19:48:13 +0000 | [diff] [blame] | 17 | #ifdef LIBXML_FTP_ENABLED |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 18 | #include <stdio.h> |
| 19 | #include <string.h> |
| 20 | |
Daniel Veillard | 0604743 | 2000-04-24 11:33:38 +0000 | [diff] [blame] | 21 | #ifdef HAVE_STDLIB_H |
| 22 | #include <stdlib.h> |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 23 | #endif |
| 24 | #ifdef HAVE_UNISTD_H |
| 25 | #include <unistd.h> |
| 26 | #endif |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 27 | #ifdef HAVE_SYS_SOCKET_H |
| 28 | #include <sys/socket.h> |
| 29 | #endif |
James Henstridge | f3be931 | 2000-01-28 13:59:21 +0000 | [diff] [blame] | 30 | #ifdef HAVE_NETINET_IN_H |
| 31 | #include <netinet/in.h> |
| 32 | #endif |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 33 | #ifdef HAVE_ARPA_INET_H |
| 34 | #include <arpa/inet.h> |
| 35 | #endif |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 36 | #ifdef HAVE_NETDB_H |
| 37 | #include <netdb.h> |
| 38 | #endif |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 39 | #ifdef HAVE_FCNTL_H |
| 40 | #include <fcntl.h> |
| 41 | #endif |
| 42 | #ifdef HAVE_ERRNO_H |
| 43 | #include <errno.h> |
| 44 | #endif |
| 45 | #ifdef HAVE_SYS_TIME_H |
| 46 | #include <sys/time.h> |
| 47 | #endif |
| 48 | #ifdef HAVE_SYS_SELECT_H |
| 49 | #include <sys/select.h> |
| 50 | #endif |
Daniel Veillard | 5feb849 | 2000-02-02 17:15:36 +0000 | [diff] [blame] | 51 | #ifdef HAVE_STRINGS_H |
| 52 | #include <strings.h> |
| 53 | #endif |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 54 | |
Daniel Veillard | 361d845 | 2000-04-03 19:48:13 +0000 | [diff] [blame] | 55 | #include <libxml/xmlmemory.h> |
| 56 | #include <libxml/nanoftp.h> |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 57 | |
| 58 | /* #define DEBUG_FTP 1 */ |
| 59 | #ifdef STANDALONE |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 60 | #ifndef DEBUG_FTP |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 61 | #define DEBUG_FTP 1 |
| 62 | #endif |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 63 | #endif |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 64 | |
| 65 | static char hostname[100]; |
| 66 | |
| 67 | #define FTP_COMMAND_OK 200 |
| 68 | #define FTP_SYNTAX_ERROR 500 |
| 69 | #define FTP_GET_PASSWD 331 |
| 70 | |
| 71 | typedef struct xmlNanoFTPCtxt { |
| 72 | char *protocol; /* the protocol name */ |
| 73 | char *hostname; /* the host name */ |
| 74 | int port; /* the port */ |
| 75 | char *path; /* the path within the URL */ |
| 76 | char *user; /* user string */ |
| 77 | char *passwd; /* passwd string */ |
| 78 | struct sockaddr_in ftpAddr; /* the socket address struct */ |
| 79 | int passive; /* currently we support only passive !!! */ |
| 80 | int controlFd; /* the file descriptor for the control socket */ |
| 81 | int dataFd; /* the file descriptor for the data socket */ |
| 82 | int state; /* WRITE / READ / CLOSED */ |
| 83 | int returnValue; /* the protocol return value */ |
| 84 | } xmlNanoFTPCtxt, *xmlNanoFTPCtxtPtr; |
| 85 | |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 86 | static int initialized = 0; |
| 87 | static char *proxy = NULL; /* the proxy name if any */ |
| 88 | static int proxyPort = 0; /* the proxy port if any */ |
| 89 | static char *proxyUser = NULL; /* user for proxy authentication */ |
| 90 | static char *proxyPasswd = NULL;/* passwd for proxy authentication */ |
| 91 | static int proxyType = 0; /* uses TYPE or a@b ? */ |
| 92 | |
| 93 | /** |
| 94 | * xmlNanoFTPInit: |
| 95 | * |
| 96 | * Initialize the FTP protocol layer. |
| 97 | * Currently it just checks for proxy informations, |
| 98 | * and get the hostname |
| 99 | */ |
| 100 | |
| 101 | void |
| 102 | xmlNanoFTPInit(void) { |
| 103 | const char *env; |
| 104 | |
| 105 | if (initialized) |
| 106 | return; |
| 107 | |
| 108 | gethostname(hostname, sizeof(hostname)); |
| 109 | |
| 110 | proxyPort = 21; |
| 111 | env = getenv("no_proxy"); |
| 112 | if (env != NULL) |
| 113 | return; |
| 114 | env = getenv("ftp_proxy"); |
| 115 | if (env != NULL) { |
| 116 | xmlNanoFTPScanProxy(env); |
| 117 | } else { |
| 118 | env = getenv("FTP_PROXY"); |
| 119 | if (env != NULL) { |
| 120 | xmlNanoFTPScanProxy(env); |
| 121 | } |
| 122 | } |
| 123 | env = getenv("ftp_proxy_user"); |
| 124 | if (env != NULL) { |
| 125 | proxyUser = xmlMemStrdup(env); |
| 126 | } |
| 127 | env = getenv("ftp_proxy_password"); |
| 128 | if (env != NULL) { |
| 129 | proxyPasswd = xmlMemStrdup(env); |
| 130 | } |
| 131 | initialized = 1; |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * xmlNanoFTPClenup: |
| 136 | * |
| 137 | * Cleanup the FTP protocol layer. This cleanup proxy informations. |
| 138 | */ |
| 139 | |
| 140 | void |
| 141 | xmlNanoFTPCleanup(void) { |
| 142 | if (proxy != NULL) { |
| 143 | xmlFree(proxy); |
| 144 | proxy = NULL; |
| 145 | } |
| 146 | if (proxyUser != NULL) { |
| 147 | xmlFree(proxyUser); |
| 148 | proxyUser = NULL; |
| 149 | } |
| 150 | if (proxyPasswd != NULL) { |
| 151 | xmlFree(proxyPasswd); |
| 152 | proxyPasswd = NULL; |
| 153 | } |
| 154 | hostname[0] = 0; |
| 155 | initialized = 0; |
| 156 | return; |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * xmlNanoFTPProxy: |
| 161 | * @host: the proxy host name |
| 162 | * @port: the proxy port |
| 163 | * @user: the proxy user name |
| 164 | * @passwd: the proxy password |
| 165 | * @type: the type of proxy 1 for using SITE, 2 for USER a@b |
| 166 | * |
| 167 | * Setup the FTP proxy informations. |
| 168 | * This can also be done by using ftp_proxy ftp_proxy_user and |
| 169 | * ftp_proxy_password environment variables. |
| 170 | */ |
| 171 | |
| 172 | void |
| 173 | xmlNanoFTPProxy(const char *host, int port, const char *user, |
| 174 | const char *passwd, int type) { |
| 175 | if (proxy != NULL) |
| 176 | xmlFree(proxy); |
| 177 | if (proxyUser != NULL) |
| 178 | xmlFree(proxyUser); |
| 179 | if (proxyPasswd != NULL) |
| 180 | xmlFree(proxyPasswd); |
| 181 | if (host) |
| 182 | proxy = xmlMemStrdup(host); |
| 183 | if (user) |
| 184 | proxyUser = xmlMemStrdup(user); |
| 185 | if (passwd) |
| 186 | proxyPasswd = xmlMemStrdup(passwd); |
| 187 | proxyPort = port; |
| 188 | proxyType = type; |
| 189 | } |
| 190 | |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 191 | /** |
| 192 | * xmlNanoFTPScanURL: |
| 193 | * @ctx: an FTP context |
| 194 | * @URL: The URL used to initialize the context |
| 195 | * |
| 196 | * (Re)Initialize an FTP context by parsing the URL and finding |
| 197 | * the protocol host port and path it indicates. |
| 198 | */ |
| 199 | |
| 200 | static void |
| 201 | xmlNanoFTPScanURL(void *ctx, const char *URL) { |
| 202 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 203 | const char *cur = URL; |
| 204 | char buf[4096]; |
| 205 | int index = 0; |
| 206 | int port = 0; |
| 207 | |
| 208 | if (ctxt->protocol != NULL) { |
| 209 | xmlFree(ctxt->protocol); |
| 210 | ctxt->protocol = NULL; |
| 211 | } |
| 212 | if (ctxt->hostname != NULL) { |
| 213 | xmlFree(ctxt->hostname); |
| 214 | ctxt->hostname = NULL; |
| 215 | } |
| 216 | if (ctxt->path != NULL) { |
| 217 | xmlFree(ctxt->path); |
| 218 | ctxt->path = NULL; |
| 219 | } |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 220 | if (URL == NULL) return; |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 221 | buf[index] = 0; |
| 222 | while (*cur != 0) { |
| 223 | if ((cur[0] == ':') && (cur[1] == '/') && (cur[2] == '/')) { |
| 224 | buf[index] = 0; |
| 225 | ctxt->protocol = xmlMemStrdup(buf); |
| 226 | index = 0; |
| 227 | cur += 3; |
| 228 | break; |
| 229 | } |
| 230 | buf[index++] = *cur++; |
| 231 | } |
| 232 | if (*cur == 0) return; |
| 233 | |
| 234 | buf[index] = 0; |
| 235 | while (1) { |
| 236 | if (cur[0] == ':') { |
| 237 | buf[index] = 0; |
| 238 | ctxt->hostname = xmlMemStrdup(buf); |
| 239 | index = 0; |
| 240 | cur += 1; |
| 241 | while ((*cur >= '0') && (*cur <= '9')) { |
| 242 | port *= 10; |
| 243 | port += *cur - '0'; |
| 244 | cur++; |
| 245 | } |
| 246 | if (port != 0) ctxt->port = port; |
| 247 | while ((cur[0] != '/') && (*cur != 0)) |
| 248 | cur++; |
| 249 | break; |
| 250 | } |
| 251 | if ((*cur == '/') || (*cur == 0)) { |
| 252 | buf[index] = 0; |
| 253 | ctxt->hostname = xmlMemStrdup(buf); |
| 254 | index = 0; |
| 255 | break; |
| 256 | } |
| 257 | buf[index++] = *cur++; |
| 258 | } |
| 259 | if (*cur == 0) |
| 260 | ctxt->path = xmlMemStrdup("/"); |
| 261 | else { |
Daniel Veillard | 726e879 | 2000-01-30 20:04:29 +0000 | [diff] [blame] | 262 | index = 0; |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 263 | buf[index] = 0; |
Daniel Veillard | 726e879 | 2000-01-30 20:04:29 +0000 | [diff] [blame] | 264 | while (*cur != 0) |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 265 | buf[index++] = *cur++; |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 266 | buf[index] = 0; |
| 267 | ctxt->path = xmlMemStrdup(buf); |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | /** |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 272 | * xmlNanoFTPUpdateURL: |
| 273 | * @ctx: an FTP context |
| 274 | * @URL: The URL used to update the context |
| 275 | * |
| 276 | * Update an FTP context by parsing the URL and finding |
| 277 | * new path it indicates. If there is an error in the |
| 278 | * protocol, hostname, port or other information, the |
| 279 | * error is raised. It indicates a new connection has to |
| 280 | * be established. |
| 281 | * |
| 282 | * Returns 0 if Ok, -1 in case of error (other host). |
| 283 | */ |
| 284 | |
| 285 | int |
| 286 | xmlNanoFTPUpdateURL(void *ctx, const char *URL) { |
| 287 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 288 | const char *cur = URL; |
| 289 | char buf[4096]; |
| 290 | int index = 0; |
| 291 | int port = 0; |
| 292 | |
| 293 | if (URL == NULL) |
| 294 | return(-1); |
| 295 | if (ctxt == NULL) |
| 296 | return(-1); |
| 297 | if (ctxt->protocol == NULL) |
| 298 | return(-1); |
| 299 | if (ctxt->hostname == NULL) |
| 300 | return(-1); |
| 301 | buf[index] = 0; |
| 302 | while (*cur != 0) { |
| 303 | if ((cur[0] == ':') && (cur[1] == '/') && (cur[2] == '/')) { |
| 304 | buf[index] = 0; |
| 305 | if (strcmp(ctxt->protocol, buf)) |
| 306 | return(-1); |
| 307 | index = 0; |
| 308 | cur += 3; |
| 309 | break; |
| 310 | } |
| 311 | buf[index++] = *cur++; |
| 312 | } |
| 313 | if (*cur == 0) |
| 314 | return(-1); |
| 315 | |
| 316 | buf[index] = 0; |
| 317 | while (1) { |
| 318 | if (cur[0] == ':') { |
| 319 | buf[index] = 0; |
| 320 | if (strcmp(ctxt->hostname, buf)) |
| 321 | return(-1); |
| 322 | index = 0; |
| 323 | cur += 1; |
| 324 | while ((*cur >= '0') && (*cur <= '9')) { |
| 325 | port *= 10; |
| 326 | port += *cur - '0'; |
| 327 | cur++; |
| 328 | } |
| 329 | if (port != ctxt->port) |
| 330 | return(-1); |
| 331 | while ((cur[0] != '/') && (*cur != 0)) |
| 332 | cur++; |
| 333 | break; |
| 334 | } |
| 335 | if ((*cur == '/') || (*cur == 0)) { |
| 336 | buf[index] = 0; |
| 337 | if (strcmp(ctxt->hostname, buf)) |
| 338 | return(-1); |
| 339 | index = 0; |
| 340 | break; |
| 341 | } |
| 342 | buf[index++] = *cur++; |
| 343 | } |
| 344 | if (ctxt->path != NULL) { |
| 345 | xmlFree(ctxt->path); |
| 346 | ctxt->path = NULL; |
| 347 | } |
| 348 | |
| 349 | if (*cur == 0) |
| 350 | ctxt->path = xmlMemStrdup("/"); |
| 351 | else { |
Daniel Veillard | 726e879 | 2000-01-30 20:04:29 +0000 | [diff] [blame] | 352 | index = 0; |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 353 | buf[index] = 0; |
Daniel Veillard | 726e879 | 2000-01-30 20:04:29 +0000 | [diff] [blame] | 354 | while (*cur != 0) |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 355 | buf[index++] = *cur++; |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 356 | buf[index] = 0; |
| 357 | ctxt->path = xmlMemStrdup(buf); |
| 358 | } |
| 359 | return(0); |
| 360 | } |
| 361 | |
| 362 | /** |
| 363 | * xmlNanoFTPScanProxy: |
| 364 | * @URL: The proxy URL used to initialize the proxy context |
| 365 | * |
| 366 | * (Re)Initialize the FTP Proxy context by parsing the URL and finding |
| 367 | * the protocol host port it indicates. |
| 368 | * Should be like ftp://myproxy/ or ftp://myproxy:3128/ |
| 369 | * A NULL URL cleans up proxy informations. |
| 370 | */ |
| 371 | |
| 372 | void |
| 373 | xmlNanoFTPScanProxy(const char *URL) { |
| 374 | const char *cur = URL; |
| 375 | char buf[4096]; |
| 376 | int index = 0; |
| 377 | int port = 0; |
| 378 | |
| 379 | if (proxy != NULL) { |
| 380 | xmlFree(proxy); |
| 381 | proxy = NULL; |
| 382 | } |
| 383 | if (proxyPort != 0) { |
| 384 | proxyPort = 0; |
| 385 | } |
| 386 | #ifdef DEBUG_FTP |
| 387 | if (URL == NULL) |
| 388 | printf("Removing FTP proxy info\n"); |
| 389 | else |
| 390 | printf("Using FTP proxy %s\n", URL); |
| 391 | #endif |
| 392 | if (URL == NULL) return; |
| 393 | buf[index] = 0; |
| 394 | while (*cur != 0) { |
| 395 | if ((cur[0] == ':') && (cur[1] == '/') && (cur[2] == '/')) { |
| 396 | buf[index] = 0; |
| 397 | index = 0; |
| 398 | cur += 3; |
| 399 | break; |
| 400 | } |
| 401 | buf[index++] = *cur++; |
| 402 | } |
| 403 | if (*cur == 0) return; |
| 404 | |
| 405 | buf[index] = 0; |
| 406 | while (1) { |
| 407 | if (cur[0] == ':') { |
| 408 | buf[index] = 0; |
| 409 | proxy = xmlMemStrdup(buf); |
| 410 | index = 0; |
| 411 | cur += 1; |
| 412 | while ((*cur >= '0') && (*cur <= '9')) { |
| 413 | port *= 10; |
| 414 | port += *cur - '0'; |
| 415 | cur++; |
| 416 | } |
| 417 | if (port != 0) proxyPort = port; |
| 418 | while ((cur[0] != '/') && (*cur != 0)) |
| 419 | cur++; |
| 420 | break; |
| 421 | } |
| 422 | if ((*cur == '/') || (*cur == 0)) { |
| 423 | buf[index] = 0; |
| 424 | proxy = xmlMemStrdup(buf); |
| 425 | index = 0; |
| 426 | break; |
| 427 | } |
| 428 | buf[index++] = *cur++; |
| 429 | } |
| 430 | } |
| 431 | |
| 432 | /** |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 433 | * xmlNanoFTPNewCtxt: |
| 434 | * @URL: The URL used to initialize the context |
| 435 | * |
| 436 | * Allocate and initialize a new FTP context. |
| 437 | * |
| 438 | * Returns an FTP context or NULL in case of error. |
| 439 | */ |
| 440 | |
Daniel Veillard | 0604743 | 2000-04-24 11:33:38 +0000 | [diff] [blame] | 441 | void* |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 442 | xmlNanoFTPNewCtxt(const char *URL) { |
| 443 | xmlNanoFTPCtxtPtr ret; |
| 444 | |
| 445 | ret = (xmlNanoFTPCtxtPtr) xmlMalloc(sizeof(xmlNanoFTPCtxt)); |
| 446 | if (ret == NULL) return(NULL); |
| 447 | |
| 448 | memset(ret, 0, sizeof(xmlNanoFTPCtxt)); |
| 449 | ret->port = 21; |
| 450 | ret->passive = 1; |
| 451 | ret->returnValue = 0; |
| 452 | |
| 453 | if (URL != NULL) |
| 454 | xmlNanoFTPScanURL(ret, URL); |
| 455 | |
| 456 | return(ret); |
| 457 | } |
| 458 | |
| 459 | /** |
| 460 | * xmlNanoFTPFreeCtxt: |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 461 | * @ctx: an FTP context |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 462 | * |
| 463 | * Frees the context after closing the connection. |
| 464 | */ |
| 465 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 466 | void |
| 467 | xmlNanoFTPFreeCtxt(void * ctx) { |
| 468 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 469 | if (ctxt == NULL) return; |
| 470 | if (ctxt->hostname != NULL) xmlFree(ctxt->hostname); |
| 471 | if (ctxt->protocol != NULL) xmlFree(ctxt->protocol); |
| 472 | if (ctxt->path != NULL) xmlFree(ctxt->path); |
| 473 | ctxt->passive = 1; |
| 474 | if (ctxt->controlFd >= 0) close(ctxt->controlFd); |
| 475 | ctxt->controlFd = -1; |
| 476 | xmlFree(ctxt); |
| 477 | } |
| 478 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 479 | /** |
Daniel Veillard | 0604743 | 2000-04-24 11:33:38 +0000 | [diff] [blame] | 480 | * xmlNanoFTPParseResponse: |
| 481 | * @ctx: the FTP connection context |
| 482 | * @buf: the buffer containing the response |
| 483 | * @len: the buffer length |
| 484 | * |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 485 | * Parsing of the server answer, we just extract the code. |
Daniel Veillard | 0604743 | 2000-04-24 11:33:38 +0000 | [diff] [blame] | 486 | * |
| 487 | * returns 0 for errors |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 488 | * +XXX for last line of response |
| 489 | * -XXX for response to be continued |
| 490 | */ |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 491 | static int |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 492 | xmlNanoFTPParseResponse(void *ctx, char *buf, int len) { |
| 493 | int val = 0; |
| 494 | |
| 495 | if (len < 3) return(-1); |
| 496 | if ((*buf >= '0') && (*buf <= '9')) |
| 497 | val = val * 10 + (*buf - '0'); |
| 498 | else |
| 499 | return(0); |
| 500 | buf++; |
| 501 | if ((*buf >= '0') && (*buf <= '9')) |
| 502 | val = val * 10 + (*buf - '0'); |
| 503 | else |
| 504 | return(0); |
| 505 | buf++; |
| 506 | if ((*buf >= '0') && (*buf <= '9')) |
| 507 | val = val * 10 + (*buf - '0'); |
| 508 | else |
| 509 | return(0); |
| 510 | buf++; |
| 511 | if (*buf == '-') |
| 512 | return(-val); |
| 513 | return(val); |
| 514 | } |
| 515 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 516 | /** |
| 517 | * xmlNanoFTPReadResponse: |
| 518 | * @ctx: an FTP context |
| 519 | * @buf: buffer to read in |
| 520 | * @size: buffer length |
| 521 | * |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 522 | * Read the response from the FTP server after a command. |
| 523 | * Returns the code number |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 524 | */ |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 525 | static int |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 526 | xmlNanoFTPReadResponse(void *ctx, char *buf, int size) { |
| 527 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 528 | char *ptr, *end; |
| 529 | int len; |
| 530 | int res = -1; |
| 531 | |
| 532 | if (size <= 0) return(-1); |
| 533 | |
| 534 | get_more: |
| 535 | if ((len = recv(ctxt->controlFd, buf, size - 1, 0)) < 0) { |
| 536 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 537 | ctxt->controlFd = -1; |
| 538 | return(-1); |
| 539 | } |
| 540 | if (len == 0) { |
| 541 | return(-1); |
| 542 | } |
| 543 | |
| 544 | end = &buf[len]; |
| 545 | *end = 0; |
| 546 | #ifdef DEBUG_FTP |
| 547 | printf(buf); |
| 548 | #endif |
| 549 | ptr = buf; |
| 550 | while (ptr < end) { |
| 551 | res = xmlNanoFTPParseResponse(ctxt, ptr, end - ptr); |
| 552 | if (res > 0) break; |
| 553 | if (res == 0) { |
| 554 | #ifdef DEBUG_FTP |
| 555 | fprintf(stderr, "xmlNanoFTPReadResponse failed: %s\n", ptr); |
| 556 | #endif |
| 557 | return(-1); |
| 558 | } |
| 559 | while ((ptr < end) && (*ptr != '\n')) ptr++; |
| 560 | if (ptr >= end) { |
| 561 | #ifdef DEBUG_FTP |
| 562 | fprintf(stderr, "xmlNanoFTPReadResponse: unexpected end %s\n", buf); |
| 563 | #endif |
| 564 | return((-res) / 100); |
| 565 | } |
| 566 | if (*ptr != '\r') ptr++; |
| 567 | } |
| 568 | |
| 569 | if (res < 0) goto get_more; |
| 570 | |
| 571 | #ifdef DEBUG_FTP |
| 572 | printf("Got %d\n", res); |
| 573 | #endif |
| 574 | return(res / 100); |
| 575 | } |
| 576 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 577 | /** |
| 578 | * xmlNanoFTPGetResponse: |
| 579 | * @ctx: an FTP context |
| 580 | * |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 581 | * Get the response from the FTP server after a command. |
| 582 | * Returns the code number |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 583 | */ |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 584 | |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 585 | int |
| 586 | xmlNanoFTPGetResponse(void *ctx) { |
| 587 | char buf[16 * 1024 + 1]; |
| 588 | |
| 589 | /************** |
| 590 | fd_set rfd; |
| 591 | struct timeval tv; |
| 592 | int res; |
| 593 | |
| 594 | tv.tv_sec = 10; |
| 595 | tv.tv_usec = 0; |
| 596 | FD_ZERO(&rfd); |
| 597 | FD_SET(ctxt->controlFd, &rfd); |
| 598 | res = select(ctxt->controlFd + 1, &rfd, NULL, NULL, &tv); |
| 599 | if (res <= 0) return(res); |
| 600 | **************/ |
| 601 | |
| 602 | return(xmlNanoFTPReadResponse(ctx, buf, 16 * 1024)); |
| 603 | } |
| 604 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 605 | /** |
| 606 | * xmlNanoFTPCheckResponse: |
| 607 | * @ctx: an FTP context |
| 608 | * |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 609 | * Check if there is a response from the FTP server after a command. |
| 610 | * Returns the code number, or 0 |
| 611 | */ |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 612 | |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 613 | int |
| 614 | xmlNanoFTPCheckResponse(void *ctx) { |
| 615 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 616 | char buf[1024 + 1]; |
| 617 | fd_set rfd; |
| 618 | struct timeval tv; |
| 619 | |
| 620 | tv.tv_sec = 0; |
| 621 | tv.tv_usec = 0; |
| 622 | FD_ZERO(&rfd); |
| 623 | FD_SET(ctxt->controlFd, &rfd); |
| 624 | switch(select(ctxt->controlFd + 1, &rfd, NULL, NULL, &tv)) { |
| 625 | case 0: |
| 626 | return(0); |
| 627 | case -1: |
| 628 | #ifdef DEBUG_FTP |
| 629 | perror("select"); |
| 630 | #endif |
| 631 | return(-1); |
| 632 | |
| 633 | } |
| 634 | |
| 635 | return(xmlNanoFTPReadResponse(ctx, buf, 1024)); |
| 636 | } |
| 637 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 638 | /** |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 639 | * Send the user authentification |
| 640 | */ |
| 641 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 642 | static int |
| 643 | xmlNanoFTPSendUser(void *ctx) { |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 644 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 645 | char buf[200]; |
| 646 | int len; |
| 647 | int res; |
| 648 | |
| 649 | if (ctxt->user == NULL) |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 650 | #ifndef HAVE_SNPRINTF |
| 651 | len = sprintf(buf, "USER anonymous\r\n"); |
| 652 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 653 | len = snprintf(buf, sizeof(buf), "USER anonymous\r\n"); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 654 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 655 | else |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 656 | #ifndef HAVE_SNPRINTF |
| 657 | len = sprintf(buf, "USER %s\r\n", ctxt->user); |
| 658 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 659 | len = snprintf(buf, sizeof(buf), "USER %s\r\n", ctxt->user); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 660 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 661 | #ifdef DEBUG_FTP |
| 662 | printf(buf); |
| 663 | #endif |
| 664 | res = send(ctxt->controlFd, buf, len, 0); |
| 665 | if (res < 0) return(res); |
| 666 | return(0); |
| 667 | } |
| 668 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 669 | /** |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 670 | * Send the password authentification |
| 671 | */ |
| 672 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 673 | static int |
| 674 | xmlNanoFTPSendPasswd(void *ctx) { |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 675 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 676 | char buf[200]; |
| 677 | int len; |
| 678 | int res; |
| 679 | |
| 680 | if (ctxt->passwd == NULL) |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 681 | #ifndef HAVE_SNPRINTF |
| 682 | len = sprintf(buf, "PASS libxml@%s\r\n", hostname); |
| 683 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 684 | len = snprintf(buf, sizeof(buf), "PASS libxml@%s\r\n", hostname); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 685 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 686 | else |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 687 | #ifndef HAVE_SNPRINTF |
| 688 | len = sprintf(buf, "PASS %s\r\n", ctxt->passwd); |
| 689 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 690 | len = snprintf(buf, sizeof(buf), "PASS %s\r\n", ctxt->passwd); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 691 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 692 | #ifdef DEBUG_FTP |
| 693 | printf(buf); |
| 694 | #endif |
| 695 | res = send(ctxt->controlFd, buf, len, 0); |
| 696 | if (res < 0) return(res); |
| 697 | return(0); |
| 698 | } |
| 699 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 700 | /** |
| 701 | * xmlNanoFTPQuit: |
| 702 | * @ctx: an FTP context |
| 703 | * |
| 704 | * Send a QUIT command to the server |
| 705 | * |
| 706 | * Returns -1 in case of error, 0 otherwise |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 707 | */ |
| 708 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 709 | |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 710 | int |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 711 | xmlNanoFTPQuit(void *ctx) { |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 712 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 713 | char buf[200]; |
| 714 | int len; |
| 715 | int res; |
| 716 | |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 717 | #ifndef HAVE_SNPRINTF |
| 718 | len = sprintf(buf, "QUIT\r\n"); |
| 719 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 720 | len = snprintf(buf, sizeof(buf), "QUIT\r\n"); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 721 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 722 | #ifdef DEBUG_FTP |
| 723 | printf(buf); |
| 724 | #endif |
| 725 | res = send(ctxt->controlFd, buf, len, 0); |
| 726 | return(0); |
| 727 | } |
| 728 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 729 | /** |
| 730 | * xmlNanoFTPConnect: |
| 731 | * @ctx: an FTP context |
| 732 | * |
| 733 | * Tries to open a control connection |
| 734 | * |
| 735 | * Returns -1 in case of error, 0 otherwise |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 736 | */ |
| 737 | |
| 738 | int |
| 739 | xmlNanoFTPConnect(void *ctx) { |
| 740 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 741 | struct hostent *hp; |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 742 | int port; |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 743 | int res; |
| 744 | |
| 745 | if (ctxt == NULL) |
| 746 | return(-1); |
| 747 | if (ctxt->hostname == NULL) |
| 748 | return(-1); |
| 749 | |
| 750 | /* |
| 751 | * do the blocking DNS query. |
| 752 | */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 753 | if (proxy) |
| 754 | hp = gethostbyname(proxy); |
| 755 | else |
| 756 | hp = gethostbyname(ctxt->hostname); |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 757 | if (hp == NULL) |
| 758 | return(-1); |
| 759 | |
| 760 | /* |
| 761 | * Prepare the socket |
| 762 | */ |
| 763 | memset(&ctxt->ftpAddr, 0, sizeof(ctxt->ftpAddr)); |
| 764 | ctxt->ftpAddr.sin_family = AF_INET; |
| 765 | memcpy(&ctxt->ftpAddr.sin_addr, hp->h_addr_list[0], hp->h_length); |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 766 | if (proxy) { |
| 767 | port = proxyPort; |
| 768 | } else { |
| 769 | port = ctxt->port; |
| 770 | } |
| 771 | if (port == 0) |
| 772 | port = 21; |
| 773 | ctxt->ftpAddr.sin_port = htons(port); |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 774 | ctxt->controlFd = socket(AF_INET, SOCK_STREAM, 0); |
| 775 | if (ctxt->controlFd < 0) |
| 776 | return(-1); |
| 777 | |
| 778 | /* |
| 779 | * Do the connect. |
| 780 | */ |
| 781 | if (connect(ctxt->controlFd, (struct sockaddr *) &ctxt->ftpAddr, |
| 782 | sizeof(struct sockaddr_in)) < 0) { |
| 783 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 784 | ctxt->controlFd = -1; |
| 785 | return(-1); |
| 786 | } |
| 787 | |
| 788 | /* |
| 789 | * Wait for the HELLO from the server. |
| 790 | */ |
| 791 | res = xmlNanoFTPGetResponse(ctxt); |
| 792 | if (res != 2) { |
| 793 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 794 | ctxt->controlFd = -1; |
| 795 | return(-1); |
| 796 | } |
| 797 | |
| 798 | /* |
| 799 | * State diagram for the login operation on the FTP server |
| 800 | * |
| 801 | * Reference: RFC 959 |
| 802 | * |
| 803 | * 1 |
| 804 | * +---+ USER +---+------------->+---+ |
| 805 | * | B |---------->| W | 2 ---->| E | |
| 806 | * +---+ +---+------ | -->+---+ |
| 807 | * | | | | | |
| 808 | * 3 | | 4,5 | | | |
| 809 | * -------------- ----- | | | |
| 810 | * | | | | | |
| 811 | * | | | | | |
| 812 | * | --------- | |
| 813 | * | 1| | | | |
| 814 | * V | | | | |
| 815 | * +---+ PASS +---+ 2 | ------>+---+ |
| 816 | * | |---------->| W |------------->| S | |
| 817 | * +---+ +---+ ---------->+---+ |
| 818 | * | | | | | |
| 819 | * 3 | |4,5| | | |
| 820 | * -------------- -------- | |
| 821 | * | | | | | |
| 822 | * | | | | | |
| 823 | * | ----------- |
| 824 | * | 1,3| | | | |
| 825 | * V | 2| | | |
| 826 | * +---+ ACCT +---+-- | ----->+---+ |
| 827 | * | |---------->| W | 4,5 -------->| F | |
| 828 | * +---+ +---+------------->+---+ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 829 | * |
| 830 | * Of course in case of using a proxy this get really nasty and is not |
| 831 | * standardized at all :-( |
| 832 | */ |
| 833 | if (proxy) { |
| 834 | int len; |
| 835 | char buf[400]; |
| 836 | |
| 837 | if (proxyUser != NULL) { |
| 838 | /* |
| 839 | * We need proxy auth |
| 840 | */ |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 841 | #ifndef HAVE_SNPRINTF |
| 842 | len = sprintf(buf, "USER %s\r\n", proxyUser); |
| 843 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 844 | len = snprintf(buf, sizeof(buf), "USER %s\r\n", proxyUser); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 845 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 846 | #ifdef DEBUG_FTP |
| 847 | printf(buf); |
| 848 | #endif |
| 849 | res = send(ctxt->controlFd, buf, len, 0); |
| 850 | if (res < 0) { |
| 851 | close(ctxt->controlFd); |
| 852 | ctxt->controlFd = -1; |
| 853 | return(res); |
| 854 | } |
| 855 | res = xmlNanoFTPGetResponse(ctxt); |
| 856 | switch (res) { |
| 857 | case 2: |
| 858 | if (proxyPasswd == NULL) |
| 859 | break; |
| 860 | case 3: |
| 861 | if (proxyPasswd != NULL) |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 862 | #ifndef HAVE_SNPRINTF |
| 863 | len = sprintf(buf, "PASS %s\r\n", proxyPasswd); |
| 864 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 865 | len = snprintf(buf, sizeof(buf), "PASS %s\r\n", proxyPasswd); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 866 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 867 | else |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 868 | #ifndef HAVE_SNPRINTF |
| 869 | len = sprintf(buf, "PASS libxml@%s\r\n", |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 870 | hostname); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 871 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 872 | len = snprintf(buf, sizeof(buf), "PASS libxml@%s\r\n", |
| 873 | hostname); |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 874 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 875 | #ifdef DEBUG_FTP |
| 876 | printf(buf); |
| 877 | #endif |
| 878 | res = send(ctxt->controlFd, buf, len, 0); |
| 879 | if (res < 0) { |
| 880 | close(ctxt->controlFd); |
| 881 | ctxt->controlFd = -1; |
| 882 | return(res); |
| 883 | } |
| 884 | res = xmlNanoFTPGetResponse(ctxt); |
| 885 | if (res > 3) { |
| 886 | close(ctxt->controlFd); |
| 887 | ctxt->controlFd = -1; |
| 888 | return(-1); |
| 889 | } |
| 890 | break; |
| 891 | case 1: |
| 892 | break; |
| 893 | case 4: |
| 894 | case 5: |
| 895 | case -1: |
| 896 | default: |
| 897 | close(ctxt->controlFd); |
| 898 | ctxt->controlFd = -1; |
| 899 | return(-1); |
| 900 | } |
| 901 | } |
| 902 | |
| 903 | /* |
| 904 | * We assume we don't need more authentication to the proxy |
| 905 | * and that it succeeded :-\ |
| 906 | */ |
| 907 | switch (proxyType) { |
| 908 | case 0: |
| 909 | /* we will try in seqence */ |
| 910 | case 1: |
| 911 | /* Using SITE command */ |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 912 | #ifndef HAVE_SNPRINTF |
| 913 | len = sprintf(buf, "SITE %s\r\n", ctxt->hostname); |
| 914 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 915 | len = snprintf(buf, sizeof(buf), "SITE %s\r\n", ctxt->hostname); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 916 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 917 | #ifdef DEBUG_FTP |
| 918 | printf(buf); |
| 919 | #endif |
| 920 | res = send(ctxt->controlFd, buf, len, 0); |
| 921 | if (res < 0) { |
| 922 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 923 | ctxt->controlFd = -1; |
| 924 | return(res); |
| 925 | } |
| 926 | res = xmlNanoFTPGetResponse(ctxt); |
| 927 | if (res == 2) { |
| 928 | /* we assume it worked :-\ 1 is error for SITE command */ |
| 929 | proxyType = 1; |
| 930 | break; |
| 931 | } |
| 932 | if (proxyType == 1) { |
| 933 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 934 | ctxt->controlFd = -1; |
| 935 | return(-1); |
| 936 | } |
| 937 | case 2: |
| 938 | /* USER user@host command */ |
| 939 | if (ctxt->user == NULL) |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 940 | #ifndef HAVE_SNPRINTF |
| 941 | len = sprintf(buf, "USER anonymous@%s\r\n", |
| 942 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 943 | len = snprintf(buf, sizeof(buf), "USER anonymous@%s\r\n", |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 944 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 945 | ctxt->hostname); |
| 946 | else |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 947 | #ifndef HAVE_SNPRINTF |
| 948 | len = sprintf(buf, "USER %s@%s\r\n", |
| 949 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 950 | len = snprintf(buf, sizeof(buf), "USER %s@%s\r\n", |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 951 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 952 | ctxt->user, ctxt->hostname); |
| 953 | #ifdef DEBUG_FTP |
| 954 | printf(buf); |
| 955 | #endif |
| 956 | res = send(ctxt->controlFd, buf, len, 0); |
| 957 | if (res < 0) { |
| 958 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 959 | ctxt->controlFd = -1; |
| 960 | return(res); |
| 961 | } |
| 962 | res = xmlNanoFTPGetResponse(ctxt); |
| 963 | if ((res == 1) || (res == 2)) { |
| 964 | /* we assume it worked :-\ */ |
| 965 | proxyType = 2; |
| 966 | return(0); |
| 967 | } |
| 968 | if (ctxt->passwd == NULL) |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 969 | #ifndef HAVE_SNPRINTF |
| 970 | len = sprintf(buf, "PASS libxml@%s\r\n", hostname); |
| 971 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 972 | len = snprintf(buf, sizeof(buf), "PASS libxml@%s\r\n", hostname); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 973 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 974 | else |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 975 | #ifndef HAVE_SNPRINTF |
| 976 | len = sprintf(buf, "PASS %s\r\n", ctxt->passwd); |
| 977 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 978 | len = snprintf(buf, sizeof(buf), "PASS %s\r\n", ctxt->passwd); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 979 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 980 | #ifdef DEBUG_FTP |
| 981 | printf(buf); |
| 982 | #endif |
| 983 | res = send(ctxt->controlFd, buf, len, 0); |
| 984 | if (res < 0) { |
| 985 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 986 | ctxt->controlFd = -1; |
| 987 | return(res); |
| 988 | } |
| 989 | res = xmlNanoFTPGetResponse(ctxt); |
| 990 | if ((res == 1) || (res == 2)) { |
| 991 | /* we assume it worked :-\ */ |
| 992 | proxyType = 2; |
| 993 | return(0); |
| 994 | } |
| 995 | if (proxyType == 2) { |
| 996 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 997 | ctxt->controlFd = -1; |
| 998 | return(-1); |
| 999 | } |
| 1000 | case 3: |
| 1001 | /* |
| 1002 | * If you need support for other Proxy authentication scheme |
| 1003 | * send the code or at least the sequence in use. |
| 1004 | */ |
| 1005 | default: |
| 1006 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 1007 | ctxt->controlFd = -1; |
| 1008 | return(-1); |
| 1009 | } |
| 1010 | } |
| 1011 | /* |
| 1012 | * Non-proxy handling. |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1013 | */ |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1014 | res = xmlNanoFTPSendUser(ctxt); |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1015 | if (res < 0) { |
| 1016 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 1017 | ctxt->controlFd = -1; |
| 1018 | return(-1); |
| 1019 | } |
| 1020 | res = xmlNanoFTPGetResponse(ctxt); |
| 1021 | switch (res) { |
| 1022 | case 2: |
| 1023 | return(0); |
| 1024 | case 3: |
| 1025 | break; |
| 1026 | case 1: |
| 1027 | case 4: |
| 1028 | case 5: |
| 1029 | case -1: |
| 1030 | default: |
| 1031 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 1032 | ctxt->controlFd = -1; |
| 1033 | return(-1); |
| 1034 | } |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1035 | res = xmlNanoFTPSendPasswd(ctxt); |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1036 | if (res < 0) { |
| 1037 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 1038 | ctxt->controlFd = -1; |
| 1039 | return(-1); |
| 1040 | } |
| 1041 | res = xmlNanoFTPGetResponse(ctxt); |
| 1042 | switch (res) { |
| 1043 | case 2: |
Daniel Veillard | 5feb849 | 2000-02-02 17:15:36 +0000 | [diff] [blame] | 1044 | break; |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1045 | case 3: |
| 1046 | fprintf(stderr, "FTP server asking for ACCNT on anonymous\n"); |
| 1047 | case 1: |
| 1048 | case 4: |
| 1049 | case 5: |
| 1050 | case -1: |
| 1051 | default: |
| 1052 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 1053 | ctxt->controlFd = -1; |
| 1054 | return(-1); |
| 1055 | } |
| 1056 | |
| 1057 | return(0); |
| 1058 | } |
| 1059 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1060 | /** |
| 1061 | * xmlNanoFTPConnectTo: |
| 1062 | * @server: an FTP server name |
Daniel Veillard | 0604743 | 2000-04-24 11:33:38 +0000 | [diff] [blame] | 1063 | * @port: the port (use 21 if 0) |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1064 | * |
| 1065 | * Tries to open a control connection to the given server/port |
| 1066 | * |
Daniel Veillard | 0604743 | 2000-04-24 11:33:38 +0000 | [diff] [blame] | 1067 | * Returns an fTP context or NULL if it failed |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1068 | */ |
| 1069 | |
Daniel Veillard | 0604743 | 2000-04-24 11:33:38 +0000 | [diff] [blame] | 1070 | void* |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1071 | xmlNanoFTPConnectTo(const char *server, int port) { |
| 1072 | xmlNanoFTPCtxtPtr ctxt; |
| 1073 | int res; |
| 1074 | |
| 1075 | xmlNanoFTPInit(); |
| 1076 | if (server == NULL) |
| 1077 | return(NULL); |
| 1078 | ctxt = xmlNanoFTPNewCtxt(NULL); |
| 1079 | ctxt->hostname = xmlMemStrdup(server); |
| 1080 | if (port != 0) |
| 1081 | ctxt->port = port; |
| 1082 | res = xmlNanoFTPConnect(ctxt); |
| 1083 | if (res < 0) { |
| 1084 | xmlNanoFTPFreeCtxt(ctxt); |
| 1085 | return(NULL); |
| 1086 | } |
| 1087 | return(ctxt); |
| 1088 | } |
| 1089 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1090 | /** |
| 1091 | * xmlNanoFTPGetConnection: |
| 1092 | * @ctx: an FTP context |
| 1093 | * @directory: a directory on the server |
| 1094 | * |
| 1095 | * Tries to change the remote directory |
| 1096 | * |
| 1097 | * Returns -1 incase of error, 1 if CWD worked, 0 if it failed |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1098 | */ |
| 1099 | |
| 1100 | int |
| 1101 | xmlNanoFTPCwd(void *ctx, char *directory) { |
| 1102 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 1103 | char buf[400]; |
| 1104 | int len; |
| 1105 | int res; |
| 1106 | |
| 1107 | /* |
| 1108 | * Expected response code for CWD: |
| 1109 | * |
| 1110 | * CWD |
| 1111 | * 250 |
| 1112 | * 500, 501, 502, 421, 530, 550 |
| 1113 | */ |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1114 | #ifndef HAVE_SNPRINTF |
| 1115 | len = sprintf(buf, "CWD %s\r\n", directory); |
| 1116 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1117 | len = snprintf(buf, sizeof(buf), "CWD %s\r\n", directory); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1118 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1119 | #ifdef DEBUG_FTP |
| 1120 | printf(buf); |
| 1121 | #endif |
| 1122 | res = send(ctxt->controlFd, buf, len, 0); |
| 1123 | if (res < 0) return(res); |
| 1124 | res = xmlNanoFTPGetResponse(ctxt); |
| 1125 | if (res == 4) { |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1126 | return(-1); |
| 1127 | } |
| 1128 | if (res == 2) return(1); |
| 1129 | if (res == 5) { |
| 1130 | return(0); |
| 1131 | } |
| 1132 | return(0); |
| 1133 | } |
| 1134 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1135 | /** |
| 1136 | * xmlNanoFTPGetConnection: |
| 1137 | * @ctx: an FTP context |
| 1138 | * |
| 1139 | * Try to open a data connection to the server. Currently only |
| 1140 | * passive mode is supported. |
| 1141 | * |
| 1142 | * Returns -1 incase of error, 0 otherwise |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1143 | */ |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1144 | |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1145 | int |
| 1146 | xmlNanoFTPGetConnection(void *ctx) { |
| 1147 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 1148 | char buf[200], *cur; |
| 1149 | int len, i; |
| 1150 | int res; |
| 1151 | unsigned char ad[6], *adp, *portp; |
| 1152 | unsigned int temp[6]; |
| 1153 | struct sockaddr_in dataAddr; |
| 1154 | size_t dataAddrLen; |
| 1155 | |
| 1156 | ctxt->dataFd = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| 1157 | if (ctxt->dataFd < 0) { |
| 1158 | fprintf(stderr, "xmlNanoFTPGetConnection: failed to create socket\n"); |
| 1159 | } |
| 1160 | dataAddrLen = sizeof(dataAddr); |
| 1161 | memset(&dataAddr, 0, dataAddrLen); |
| 1162 | dataAddr.sin_family = AF_INET; |
| 1163 | |
| 1164 | if (ctxt->passive) { |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1165 | #ifndef HAVE_SNPRINTF |
| 1166 | len = sprintf(buf, "PASV\r\n"); |
| 1167 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1168 | len = snprintf(buf, sizeof(buf), "PASV\r\n"); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1169 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1170 | #ifdef DEBUG_FTP |
| 1171 | printf(buf); |
| 1172 | #endif |
| 1173 | res = send(ctxt->controlFd, buf, len, 0); |
| 1174 | if (res < 0) { |
| 1175 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1176 | return(res); |
| 1177 | } |
| 1178 | res = xmlNanoFTPReadResponse(ctx, buf, sizeof(buf) -1); |
| 1179 | if (res != 2) { |
| 1180 | if (res == 5) { |
| 1181 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1182 | return(-1); |
| 1183 | } else { |
| 1184 | /* |
| 1185 | * retry with an active connection |
| 1186 | */ |
| 1187 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1188 | ctxt->passive = 0; |
| 1189 | } |
| 1190 | } |
| 1191 | cur = &buf[4]; |
| 1192 | while (((*cur < '0') || (*cur > '9')) && *cur != '\0') cur++; |
| 1193 | if (sscanf(cur, "%d,%d,%d,%d,%d,%d", &temp[0], &temp[1], &temp[2], |
| 1194 | &temp[3], &temp[4], &temp[5]) != 6) { |
| 1195 | fprintf(stderr, "Invalid answer to PASV\n"); |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame^] | 1196 | if (ctxt->dataFd != -1) { |
| 1197 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1198 | } |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1199 | return(-1); |
| 1200 | } |
| 1201 | for (i=0; i<6; i++) ad[i] = (unsigned char) (temp[i] & 0xff); |
| 1202 | memcpy(&dataAddr.sin_addr, &ad[0], 4); |
| 1203 | memcpy(&dataAddr.sin_port, &ad[4], 2); |
| 1204 | if (connect(ctxt->dataFd, (struct sockaddr *) &dataAddr, dataAddrLen) < 0) { |
| 1205 | fprintf(stderr, "Failed to create a data connection\n"); |
| 1206 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1207 | return (-1); |
| 1208 | } |
| 1209 | } else { |
| 1210 | getsockname(ctxt->dataFd, (struct sockaddr *) &dataAddr, &dataAddrLen); |
| 1211 | dataAddr.sin_port = 0; |
| 1212 | if (bind(ctxt->dataFd, (struct sockaddr *) &dataAddr, dataAddrLen) < 0) { |
| 1213 | fprintf(stderr, "Failed to bind a port\n"); |
| 1214 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1215 | return (-1); |
| 1216 | } |
| 1217 | getsockname(ctxt->dataFd, (struct sockaddr *) &dataAddr, &dataAddrLen); |
| 1218 | |
| 1219 | if (listen(ctxt->dataFd, 1) < 0) { |
| 1220 | fprintf(stderr, "Could not listen on port %d\n", |
| 1221 | ntohs(dataAddr.sin_port)); |
| 1222 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1223 | return (-1); |
| 1224 | } |
| 1225 | adp = (unsigned char *) &dataAddr.sin_addr; |
| 1226 | portp = (unsigned char *) &dataAddr.sin_port; |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1227 | #ifndef HAVE_SNPRINTF |
| 1228 | len = sprintf(buf, "PORT %d,%d,%d,%d,%d,%d\r\n", |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1229 | adp[0] & 0xff, adp[1] & 0xff, adp[2] & 0xff, adp[3] & 0xff, |
| 1230 | portp[0] & 0xff, portp[1] & 0xff); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1231 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1232 | len = snprintf(buf, sizeof(buf), "PORT %d,%d,%d,%d,%d,%d\r\n", |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1233 | adp[0] & 0xff, adp[1] & 0xff, adp[2] & 0xff, adp[3] & 0xff, |
| 1234 | portp[0] & 0xff, portp[1] & 0xff); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1235 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1236 | buf[sizeof(buf) - 1] = 0; |
| 1237 | #ifdef DEBUG_FTP |
| 1238 | printf(buf); |
| 1239 | #endif |
| 1240 | |
| 1241 | res = send(ctxt->controlFd, buf, len, 0); |
| 1242 | if (res < 0) { |
| 1243 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1244 | return(res); |
| 1245 | } |
| 1246 | res = xmlNanoFTPGetResponse(ctxt); |
| 1247 | if (res != 2) { |
| 1248 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1249 | return(-1); |
| 1250 | } |
| 1251 | } |
| 1252 | return(ctxt->dataFd); |
| 1253 | |
| 1254 | } |
| 1255 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1256 | /** |
| 1257 | * xmlNanoFTPCloseConnection: |
| 1258 | * @ctx: an FTP context |
| 1259 | * |
| 1260 | * Close the data connection from the server |
| 1261 | * |
| 1262 | * Returns -1 incase of error, 0 otherwise |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1263 | */ |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1264 | |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1265 | int |
| 1266 | xmlNanoFTPCloseConnection(void *ctx) { |
| 1267 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 1268 | int res; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1269 | fd_set rfd, efd; |
| 1270 | struct timeval tv; |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1271 | |
| 1272 | close(ctxt->dataFd); ctxt->dataFd = -1; |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1273 | tv.tv_sec = 15; |
| 1274 | tv.tv_usec = 0; |
| 1275 | FD_ZERO(&rfd); |
| 1276 | FD_SET(ctxt->controlFd, &rfd); |
| 1277 | FD_ZERO(&efd); |
| 1278 | FD_SET(ctxt->controlFd, &efd); |
| 1279 | res = select(ctxt->controlFd + 1, &rfd, NULL, &efd, &tv); |
| 1280 | if (res < 0) { |
| 1281 | #ifdef DEBUG_FTP |
| 1282 | perror("select"); |
| 1283 | #endif |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1284 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 1285 | return(-1); |
| 1286 | } |
Daniel Veillard | cf46199 | 2000-03-14 18:30:20 +0000 | [diff] [blame] | 1287 | if (res == 0) { |
| 1288 | fprintf(stderr, "xmlNanoFTPCloseConnection: timeout\n"); |
| 1289 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 1290 | } else { |
| 1291 | res = xmlNanoFTPGetResponse(ctxt); |
| 1292 | if (res != 2) { |
| 1293 | close(ctxt->controlFd); ctxt->controlFd = -1; |
| 1294 | return(-1); |
| 1295 | } |
| 1296 | } |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1297 | return(0); |
| 1298 | } |
| 1299 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1300 | /** |
| 1301 | * xmlNanoFTPParseList: |
| 1302 | * @list: some data listing received from the server |
| 1303 | * @callback: the user callback |
| 1304 | * @userData: the user callback data |
| 1305 | * |
| 1306 | * Parse at most one entry from the listing. |
| 1307 | * |
| 1308 | * Returns -1 incase of error, the lenght of data parsed otherwise |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1309 | */ |
| 1310 | |
| 1311 | static int |
| 1312 | xmlNanoFTPParseList(const char *list, ftpListCallback callback, void *userData) { |
| 1313 | const char *cur = list; |
| 1314 | char filename[151]; |
| 1315 | char attrib[11]; |
| 1316 | char owner[11]; |
| 1317 | char group[11]; |
| 1318 | char month[4]; |
| 1319 | int year = 0; |
| 1320 | int minute = 0; |
| 1321 | int hour = 0; |
| 1322 | int day = 0; |
| 1323 | unsigned long size = 0; |
| 1324 | int links = 0; |
| 1325 | int i; |
| 1326 | |
| 1327 | if (!strncmp(cur, "total", 5)) { |
| 1328 | cur += 5; |
| 1329 | while (*cur == ' ') cur++; |
| 1330 | while ((*cur >= '0') && (*cur <= '9')) |
| 1331 | links = (links * 10) + (*cur++ - '0'); |
| 1332 | while ((*cur == ' ') || (*cur == '\n') || (*cur == '\r')) |
| 1333 | cur++; |
| 1334 | return(cur - list); |
| 1335 | } else if (*list == '+') { |
| 1336 | return(0); |
| 1337 | } else { |
| 1338 | while ((*cur == ' ') || (*cur == '\n') || (*cur == '\r')) |
| 1339 | cur++; |
| 1340 | if (*cur == 0) return(0); |
| 1341 | i = 0; |
| 1342 | while (*cur != ' ') { |
| 1343 | if (i < 10) |
| 1344 | attrib[i++] = *cur; |
| 1345 | cur++; |
| 1346 | if (*cur == 0) return(0); |
| 1347 | } |
| 1348 | attrib[10] = 0; |
| 1349 | while (*cur == ' ') cur++; |
| 1350 | if (*cur == 0) return(0); |
| 1351 | while ((*cur >= '0') && (*cur <= '9')) |
| 1352 | links = (links * 10) + (*cur++ - '0'); |
| 1353 | while (*cur == ' ') cur++; |
| 1354 | if (*cur == 0) return(0); |
| 1355 | i = 0; |
| 1356 | while (*cur != ' ') { |
| 1357 | if (i < 10) |
| 1358 | owner[i++] = *cur; |
| 1359 | cur++; |
| 1360 | if (*cur == 0) return(0); |
| 1361 | } |
| 1362 | owner[i] = 0; |
| 1363 | while (*cur == ' ') cur++; |
| 1364 | if (*cur == 0) return(0); |
| 1365 | i = 0; |
| 1366 | while (*cur != ' ') { |
| 1367 | if (i < 10) |
| 1368 | group[i++] = *cur; |
| 1369 | cur++; |
| 1370 | if (*cur == 0) return(0); |
| 1371 | } |
| 1372 | group[i] = 0; |
| 1373 | while (*cur == ' ') cur++; |
| 1374 | if (*cur == 0) return(0); |
| 1375 | while ((*cur >= '0') && (*cur <= '9')) |
| 1376 | size = (size * 10) + (*cur++ - '0'); |
| 1377 | while (*cur == ' ') cur++; |
| 1378 | if (*cur == 0) return(0); |
| 1379 | i = 0; |
| 1380 | while (*cur != ' ') { |
| 1381 | if (i < 3) |
| 1382 | month[i++] = *cur; |
| 1383 | cur++; |
| 1384 | if (*cur == 0) return(0); |
| 1385 | } |
| 1386 | month[i] = 0; |
| 1387 | while (*cur == ' ') cur++; |
| 1388 | if (*cur == 0) return(0); |
| 1389 | while ((*cur >= '0') && (*cur <= '9')) |
| 1390 | day = (day * 10) + (*cur++ - '0'); |
| 1391 | while (*cur == ' ') cur++; |
| 1392 | if (*cur == 0) return(0); |
| 1393 | if ((cur[1] == 0) || (cur[2] == 0)) return(0); |
| 1394 | if ((cur[1] == ':') || (cur[2] == ':')) { |
| 1395 | while ((*cur >= '0') && (*cur <= '9')) |
| 1396 | hour = (hour * 10) + (*cur++ - '0'); |
| 1397 | if (*cur == ':') cur++; |
| 1398 | while ((*cur >= '0') && (*cur <= '9')) |
| 1399 | minute = (minute * 10) + (*cur++ - '0'); |
| 1400 | } else { |
| 1401 | while ((*cur >= '0') && (*cur <= '9')) |
| 1402 | year = (year * 10) + (*cur++ - '0'); |
| 1403 | } |
| 1404 | while (*cur == ' ') cur++; |
| 1405 | if (*cur == 0) return(0); |
| 1406 | i = 0; |
| 1407 | while ((*cur != '\n') && (*cur != '\r')) { |
| 1408 | if (i < 150) |
| 1409 | filename[i++] = *cur; |
| 1410 | cur++; |
| 1411 | if (*cur == 0) return(0); |
| 1412 | } |
| 1413 | filename[i] = 0; |
| 1414 | if ((*cur != '\n') && (*cur != '\r')) |
| 1415 | return(0); |
| 1416 | while ((*cur == '\n') || (*cur == '\r')) |
| 1417 | cur++; |
| 1418 | } |
| 1419 | if (callback != NULL) { |
| 1420 | callback(userData, filename, attrib, owner, group, size, links, |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1421 | year, month, day, hour, minute); |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1422 | } |
| 1423 | return(cur - list); |
| 1424 | } |
| 1425 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1426 | /** |
| 1427 | * xmlNanoFTPList: |
| 1428 | * @ctx: an FTP context |
| 1429 | * @callback: the user callback |
| 1430 | * @userData: the user callback data |
| 1431 | * @filename: optional files to list |
| 1432 | * |
| 1433 | * Do a listing on the server. All files info are passed back |
| 1434 | * in the callbacks. |
| 1435 | * |
| 1436 | * Returns -1 incase of error, 0 otherwise |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1437 | */ |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1438 | |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1439 | int |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1440 | xmlNanoFTPList(void *ctx, ftpListCallback callback, void *userData, |
| 1441 | char *filename) { |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1442 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 1443 | char buf[4096 + 1]; |
| 1444 | int len, res; |
| 1445 | int index = 0, base; |
| 1446 | fd_set rfd, efd; |
| 1447 | struct timeval tv; |
| 1448 | |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1449 | if (filename == NULL) { |
| 1450 | if (xmlNanoFTPCwd(ctxt, ctxt->path) < 1) |
| 1451 | return(-1); |
| 1452 | ctxt->dataFd = xmlNanoFTPGetConnection(ctxt); |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame^] | 1453 | if (ctxt->dataFd == -1) |
| 1454 | return(-1); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1455 | #ifndef HAVE_SNPRINTF |
| 1456 | len = sprintf(buf, "LIST -L\r\n"); |
| 1457 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1458 | len = snprintf(buf, sizeof(buf), "LIST -L\r\n"); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1459 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1460 | } else { |
| 1461 | if (filename[0] != '/') { |
| 1462 | if (xmlNanoFTPCwd(ctxt, ctxt->path) < 1) |
| 1463 | return(-1); |
| 1464 | } |
| 1465 | ctxt->dataFd = xmlNanoFTPGetConnection(ctxt); |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame^] | 1466 | if (ctxt->dataFd == -1) |
| 1467 | return(-1); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1468 | #ifndef HAVE_SNPRINTF |
| 1469 | len = sprintf(buf, "LIST -L %s\r\n", filename); |
| 1470 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1471 | len = snprintf(buf, sizeof(buf), "LIST -L %s\r\n", filename); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1472 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1473 | } |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1474 | #ifdef DEBUG_FTP |
| 1475 | printf(buf); |
| 1476 | #endif |
| 1477 | res = send(ctxt->controlFd, buf, len, 0); |
| 1478 | if (res < 0) { |
| 1479 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1480 | return(res); |
| 1481 | } |
| 1482 | res = xmlNanoFTPReadResponse(ctxt, buf, sizeof(buf) -1); |
| 1483 | if (res != 1) { |
| 1484 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1485 | return(-res); |
| 1486 | } |
| 1487 | |
| 1488 | do { |
| 1489 | tv.tv_sec = 1; |
| 1490 | tv.tv_usec = 0; |
| 1491 | FD_ZERO(&rfd); |
| 1492 | FD_SET(ctxt->dataFd, &rfd); |
| 1493 | FD_ZERO(&efd); |
| 1494 | FD_SET(ctxt->dataFd, &efd); |
| 1495 | res = select(ctxt->dataFd + 1, &rfd, NULL, &efd, &tv); |
| 1496 | if (res < 0) { |
| 1497 | #ifdef DEBUG_FTP |
| 1498 | perror("select"); |
| 1499 | #endif |
| 1500 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1501 | return(-1); |
| 1502 | } |
| 1503 | if (res == 0) { |
| 1504 | res = xmlNanoFTPCheckResponse(ctxt); |
| 1505 | if (res < 0) { |
| 1506 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1507 | ctxt->dataFd = -1; |
| 1508 | return(-1); |
| 1509 | } |
| 1510 | if (res == 2) { |
| 1511 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1512 | return(0); |
| 1513 | } |
| 1514 | |
| 1515 | continue; |
| 1516 | } |
| 1517 | |
| 1518 | if ((len = read(ctxt->dataFd, &buf[index], sizeof(buf) - (index + 1))) < 0) { |
| 1519 | #ifdef DEBUG_FTP |
| 1520 | perror("read"); |
| 1521 | #endif |
| 1522 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1523 | ctxt->dataFd = -1; |
| 1524 | return(-1); |
| 1525 | } |
| 1526 | #ifdef DEBUG_FTP |
| 1527 | write(1, &buf[index], len); |
| 1528 | #endif |
| 1529 | index += len; |
| 1530 | buf[index] = 0; |
| 1531 | base = 0; |
| 1532 | do { |
| 1533 | res = xmlNanoFTPParseList(&buf[base], callback, userData); |
| 1534 | base += res; |
| 1535 | } while (res > 0); |
| 1536 | |
| 1537 | memmove(&buf[0], &buf[base], index - base); |
| 1538 | index -= base; |
| 1539 | } while (len != 0); |
| 1540 | xmlNanoFTPCloseConnection(ctxt); |
| 1541 | return(0); |
| 1542 | } |
| 1543 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1544 | /** |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1545 | * xmlNanoFTPGetSocket: |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1546 | * @ctx: an FTP context |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1547 | * @filename: the file to retrieve (or NULL if path is in context). |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1548 | * |
| 1549 | * Initiate fetch of the given file from the server. |
| 1550 | * |
| 1551 | * Returns the socket for the data connection, or <0 in case of error |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1552 | */ |
| 1553 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1554 | |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1555 | int |
| 1556 | xmlNanoFTPGetSocket(void *ctx, const char *filename) { |
| 1557 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 1558 | char buf[300]; |
| 1559 | int res, len; |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1560 | if ((filename == NULL) && (ctxt->path == NULL)) |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1561 | return(-1); |
| 1562 | ctxt->dataFd = xmlNanoFTPGetConnection(ctxt); |
Daniel Veillard | be80396 | 2000-06-28 23:40:59 +0000 | [diff] [blame^] | 1563 | if (ctxt->dataFd == -1) |
| 1564 | return(-1); |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1565 | |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1566 | #ifndef HAVE_SNPRINTF |
| 1567 | len = sprintf(buf, "TYPE I\r\n"); |
| 1568 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1569 | len = snprintf(buf, sizeof(buf), "TYPE I\r\n"); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1570 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1571 | #ifdef DEBUG_FTP |
| 1572 | printf(buf); |
| 1573 | #endif |
| 1574 | res = send(ctxt->controlFd, buf, len, 0); |
| 1575 | if (res < 0) { |
| 1576 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1577 | return(res); |
| 1578 | } |
| 1579 | res = xmlNanoFTPReadResponse(ctxt, buf, sizeof(buf) -1); |
| 1580 | if (res != 2) { |
| 1581 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1582 | return(-res); |
| 1583 | } |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1584 | if (filename == NULL) |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1585 | #ifndef HAVE_SNPRINTF |
| 1586 | len = sprintf(buf, "RETR %s\r\n", ctxt->path); |
| 1587 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1588 | len = snprintf(buf, sizeof(buf), "RETR %s\r\n", ctxt->path); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1589 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1590 | else |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1591 | #ifndef HAVE_SNPRINTF |
| 1592 | len = sprintf(buf, "RETR %s\r\n", filename); |
| 1593 | #else /* HAVE_SNPRINTF */ |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1594 | len = snprintf(buf, sizeof(buf), "RETR %s\r\n", filename); |
Daniel Veillard | 13c757e | 2000-02-01 23:59:15 +0000 | [diff] [blame] | 1595 | #endif /* HAVE_SNPRINTF */ |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1596 | #ifdef DEBUG_FTP |
| 1597 | printf(buf); |
| 1598 | #endif |
| 1599 | res = send(ctxt->controlFd, buf, len, 0); |
| 1600 | if (res < 0) { |
| 1601 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1602 | return(res); |
| 1603 | } |
| 1604 | res = xmlNanoFTPReadResponse(ctxt, buf, sizeof(buf) -1); |
| 1605 | if (res != 1) { |
| 1606 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1607 | return(-res); |
| 1608 | } |
| 1609 | return(ctxt->dataFd); |
| 1610 | } |
| 1611 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1612 | /** |
| 1613 | * xmlNanoFTPGet: |
| 1614 | * @ctx: an FTP context |
| 1615 | * @callback: the user callback |
| 1616 | * @userData: the user callback data |
| 1617 | * @filename: the file to retrieve |
| 1618 | * |
| 1619 | * Fetch the given file from the server. All data are passed back |
| 1620 | * in the callbacks. The last callback has a size of 0 block. |
| 1621 | * |
| 1622 | * Returns -1 incase of error, 0 otherwise |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1623 | */ |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1624 | |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1625 | int |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1626 | xmlNanoFTPGet(void *ctx, ftpDataCallback callback, void *userData, |
| 1627 | const char *filename) { |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1628 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 1629 | char buf[4096]; |
| 1630 | int len = 0, res; |
| 1631 | fd_set rfd; |
| 1632 | struct timeval tv; |
| 1633 | |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1634 | if ((filename == NULL) && (ctxt->path == NULL)) |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1635 | return(-1); |
| 1636 | if (callback == NULL) |
| 1637 | return(-1); |
| 1638 | if (xmlNanoFTPGetSocket(ctxt, filename) < 0) |
| 1639 | return(-1); |
| 1640 | |
| 1641 | do { |
| 1642 | tv.tv_sec = 1; |
| 1643 | tv.tv_usec = 0; |
| 1644 | FD_ZERO(&rfd); |
| 1645 | FD_SET(ctxt->dataFd, &rfd); |
| 1646 | res = select(ctxt->dataFd + 1, &rfd, NULL, NULL, &tv); |
| 1647 | if (res < 0) { |
| 1648 | #ifdef DEBUG_FTP |
| 1649 | perror("select"); |
| 1650 | #endif |
| 1651 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1652 | return(-1); |
| 1653 | } |
| 1654 | if (res == 0) { |
| 1655 | res = xmlNanoFTPCheckResponse(ctxt); |
| 1656 | if (res < 0) { |
| 1657 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1658 | ctxt->dataFd = -1; |
| 1659 | return(-1); |
| 1660 | } |
| 1661 | if (res == 2) { |
| 1662 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1663 | return(0); |
| 1664 | } |
| 1665 | |
| 1666 | continue; |
| 1667 | } |
| 1668 | if ((len = read(ctxt->dataFd, &buf, sizeof(buf))) < 0) { |
| 1669 | callback(userData, buf, len); |
| 1670 | close(ctxt->dataFd); ctxt->dataFd = -1; |
| 1671 | return(-1); |
| 1672 | } |
| 1673 | callback(userData, buf, len); |
| 1674 | } while (len != 0); |
| 1675 | |
| 1676 | return(xmlNanoFTPCloseConnection(ctxt)); |
| 1677 | } |
| 1678 | |
| 1679 | /** |
| 1680 | * xmlNanoFTPRead: |
| 1681 | * @ctx: the FTP context |
| 1682 | * @dest: a buffer |
| 1683 | * @len: the buffer length |
| 1684 | * |
| 1685 | * This function tries to read @len bytes from the existing FTP connection |
| 1686 | * and saves them in @dest. This is a blocking call. |
| 1687 | * |
| 1688 | * Returns the number of byte read. 0 is an indication of an end of connection. |
| 1689 | * -1 indicates a parameter error. |
| 1690 | */ |
| 1691 | int |
| 1692 | xmlNanoFTPRead(void *ctx, void *dest, int len) { |
| 1693 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 1694 | |
| 1695 | if (ctx == NULL) return(-1); |
| 1696 | if (ctxt->dataFd < 0) return(0); |
| 1697 | if (dest == NULL) return(-1); |
| 1698 | if (len <= 0) return(0); |
| 1699 | |
| 1700 | len = read(ctxt->dataFd, dest, len); |
| 1701 | #ifdef DEBUG_FTP |
| 1702 | printf("Read %d bytes\n", len); |
| 1703 | #endif |
| 1704 | if (len <= 0) { |
| 1705 | xmlNanoFTPCloseConnection(ctxt); |
| 1706 | } |
| 1707 | return(len); |
| 1708 | } |
| 1709 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1710 | /** |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1711 | * xmlNanoFTPOpen: |
| 1712 | * @URL: the URL to the resource |
| 1713 | * |
| 1714 | * Start to fetch the given ftp:// resource |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1715 | * |
| 1716 | * Returns an FTP context, or NULL |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1717 | */ |
| 1718 | |
Daniel Veillard | 0604743 | 2000-04-24 11:33:38 +0000 | [diff] [blame] | 1719 | void* |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1720 | xmlNanoFTPOpen(const char *URL) { |
| 1721 | xmlNanoFTPCtxtPtr ctxt; |
| 1722 | int sock; |
| 1723 | |
| 1724 | xmlNanoFTPInit(); |
| 1725 | if (URL == NULL) return(NULL); |
| 1726 | if (strncmp("ftp://", URL, 6)) return(NULL); |
| 1727 | |
| 1728 | ctxt = xmlNanoFTPNewCtxt(URL); |
| 1729 | if (ctxt == NULL) return(NULL); |
| 1730 | if (xmlNanoFTPConnect(ctxt) < 0) { |
| 1731 | xmlNanoFTPFreeCtxt(ctxt); |
| 1732 | return(NULL); |
| 1733 | } |
| 1734 | sock = xmlNanoFTPGetSocket(ctxt, ctxt->path); |
| 1735 | if (sock < 0) { |
| 1736 | xmlNanoFTPFreeCtxt(ctxt); |
| 1737 | return(NULL); |
| 1738 | } |
| 1739 | return(ctxt); |
| 1740 | } |
| 1741 | |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1742 | /** |
| 1743 | * xmlNanoFTPClose: |
| 1744 | * @ctx: an FTP context |
| 1745 | * |
| 1746 | * Close the connection and both control and transport |
| 1747 | * |
| 1748 | * Returns -1 incase of error, 0 otherwise |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1749 | */ |
| 1750 | |
| 1751 | int |
| 1752 | xmlNanoFTPClose(void *ctx) { |
| 1753 | xmlNanoFTPCtxtPtr ctxt = (xmlNanoFTPCtxtPtr) ctx; |
| 1754 | |
| 1755 | if (ctxt == NULL) |
| 1756 | return(-1); |
| 1757 | |
| 1758 | if (ctxt->dataFd >= 0) { |
| 1759 | close(ctxt->dataFd); |
| 1760 | ctxt->dataFd = -1; |
| 1761 | } |
| 1762 | if (ctxt->controlFd >= 0) { |
Daniel Veillard | aeea04f | 2000-01-25 19:27:27 +0000 | [diff] [blame] | 1763 | xmlNanoFTPQuit(ctxt); |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1764 | close(ctxt->controlFd); |
| 1765 | ctxt->controlFd = -1; |
| 1766 | } |
| 1767 | xmlNanoFTPFreeCtxt(ctxt); |
| 1768 | return(0); |
| 1769 | } |
| 1770 | |
| 1771 | #ifdef STANDALONE |
| 1772 | /************************************************************************ |
| 1773 | * * |
| 1774 | * Basic test in Standalone mode * |
| 1775 | * * |
| 1776 | ************************************************************************/ |
| 1777 | void ftpList(void *userData, const char *filename, const char* attrib, |
| 1778 | const char *owner, const char *group, unsigned long size, int links, |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1779 | int year, const char *month, int day, int hour, int minute) { |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1780 | printf("%s %s %s %ld %s\n", attrib, owner, group, size, filename); |
| 1781 | } |
| 1782 | void ftpData(void *userData, const char *data, int len) { |
| 1783 | if (userData == NULL) return; |
| 1784 | if (len <= 0) { |
| 1785 | fclose(userData); |
| 1786 | return; |
| 1787 | } |
| 1788 | fwrite(data, len, 1, userData); |
| 1789 | } |
| 1790 | |
| 1791 | int main(int argc, char **argv) { |
| 1792 | void *ctxt; |
| 1793 | FILE *output; |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1794 | char *tstfile = NULL; |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1795 | |
| 1796 | xmlNanoFTPInit(); |
| 1797 | if (argc > 1) { |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1798 | ctxt = xmlNanoFTPNewCtxt(argv[1]); |
| 1799 | if (xmlNanoFTPConnect(ctxt) < 0) { |
| 1800 | fprintf(stderr, "Couldn't connect to %s\n", argv[1]); |
| 1801 | exit(1); |
| 1802 | } |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1803 | if (argc > 2) |
| 1804 | tstfile = argv[2]; |
| 1805 | } else |
| 1806 | ctxt = xmlNanoFTPConnectTo("localhost", 0); |
| 1807 | if (ctxt == NULL) { |
| 1808 | fprintf(stderr, "Couldn't connect to localhost\n"); |
| 1809 | exit(1); |
| 1810 | } |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1811 | xmlNanoFTPList(ctxt, ftpList, NULL, tstfile); |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1812 | output = fopen("/tmp/tstdata", "w"); |
| 1813 | if (output != NULL) { |
| 1814 | if (xmlNanoFTPGet(ctxt, ftpData, (void *) output, tstfile) < 0) |
Daniel Veillard | e41f2b7 | 2000-01-30 20:00:07 +0000 | [diff] [blame] | 1815 | fprintf(stderr, "Failed to get file\n"); |
Daniel Veillard | da07c34 | 2000-01-25 18:31:22 +0000 | [diff] [blame] | 1816 | |
| 1817 | } |
| 1818 | xmlNanoFTPClose(ctxt); |
| 1819 | xmlMemoryDump(); |
| 1820 | exit(0); |
| 1821 | } |
| 1822 | #endif /* STANDALONE */ |
Daniel Veillard | 361d845 | 2000-04-03 19:48:13 +0000 | [diff] [blame] | 1823 | #else /* !LIBXML_FTP_ENABLED */ |
| 1824 | #ifdef STANDALONE |
| 1825 | #include <stdio.h> |
| 1826 | int main(int argc, char **argv) { |
| 1827 | printf("%s : FTP support not compiled in\n", argv[0]); |
| 1828 | return(0); |
| 1829 | } |
| 1830 | #endif /* STANDALONE */ |
| 1831 | #endif /* LIBXML_FTP_ENABLED */ |