00001
00005 #include "system.h"
00006
00007 #include <netinet/in.h>
00008
00009 #include <rpmmacro.h>
00010 #include <rpmmessages.h>
00011 #include <rpmio_internal.h>
00012
00013 #include "debug.h"
00014
00015
00016
00017
00018 #ifndef IPPORT_FTP
00019 #define IPPORT_FTP 21
00020 #endif
00021 #ifndef IPPORT_HTTP
00022 #define IPPORT_HTTP 80
00023 #endif
00024 #ifndef IPPORT_HTTPS
00025 #define IPPORT_HTTPS 443
00026 #endif
00027 #ifndef IPPORT_PGPKEYSERVER
00028 #define IPPORT_PGPKEYSERVER 11371
00029 #endif
00030
00033
00034 int _url_iobuf_size = RPMURL_IOBUF_SIZE;
00035
00038
00039 int _url_debug = 0;
00040
00041 #define URLDBG(_f, _m, _x) if ((_url_debug | (_f)) & (_m)) fprintf _x
00042
00043 #define URLDBGIO(_f, _x) URLDBG((_f), RPMURL_DEBUG_IO, _x)
00044 #define URLDBGREFS(_f, _x) URLDBG((_f), RPMURL_DEBUG_REFS, _x)
00045
00048
00049
00050 urlinfo *_url_cache = NULL;
00051
00054
00055 int _url_count = 0;
00056
00062 static inline void *
00063 _free( const void * p)
00064 {
00065 if (p != NULL) free((void *)p);
00066 return NULL;
00067 }
00068
00069 urlinfo XurlLink(urlinfo u, const char *msg, const char *file, unsigned line)
00070 {
00071 URLSANE(u);
00072 u->nrefs++;
00073
00074 URLDBGREFS(0, (stderr, "--> url %p ++ %d %s at %s:%u\n", u, u->nrefs, msg, file, line));
00075
00076 return u;
00077 }
00078
00079 urlinfo XurlNew(const char *msg, const char *file, unsigned line)
00080 {
00081 urlinfo u;
00082 if ((u = xmalloc(sizeof(*u))) == NULL)
00083 return NULL;
00084 memset(u, 0, sizeof(*u));
00085 u->proxyp = -1;
00086 u->port = -1;
00087 u->urltype = URL_IS_UNKNOWN;
00088 u->ctrl = NULL;
00089 u->data = NULL;
00090 u->bufAlloced = 0;
00091 u->buf = NULL;
00092 u->httpHasRange = 1;
00093 u->httpVersion = 0;
00094 u->nrefs = 0;
00095 u->magic = URLMAGIC;
00096 return XurlLink(u, msg, file, line);
00097 }
00098
00099 urlinfo XurlFree(urlinfo u, const char *msg, const char *file, unsigned line)
00100 {
00101 int xx;
00102
00103 URLSANE(u);
00104 URLDBGREFS(0, (stderr, "--> url %p -- %d %s at %s:%u\n", u, u->nrefs, msg, file, line));
00105 if (--u->nrefs > 0)
00106 return u;
00107 if (u->ctrl) {
00108 #ifndef NOTYET
00109 void * fp = fdGetFp(u->ctrl);
00110
00111 if (fp) {
00112 fdPush(u->ctrl, fpio, fp, -1);
00113 (void) Fclose(u->ctrl);
00114 } else if (fdio->_fileno(u->ctrl) >= 0)
00115 xx = fdio->close(u->ctrl);
00116
00117 #else
00118 (void) Fclose(u->ctrl);
00119 #endif
00120
00121 u->ctrl = fdio->_fdderef(u->ctrl, "persist ctrl (urlFree)", file, line);
00122
00123 if (u->ctrl)
00124 fprintf(stderr, _("warning: u %p ctrl %p nrefs != 0 (%s %s)\n"),
00125 u, u->ctrl, (u->host ? u->host : ""),
00126 (u->scheme ? u->scheme : ""));
00127
00128 }
00129 if (u->data) {
00130 #ifndef NOTYET
00131 void * fp = fdGetFp(u->data);
00132 if (fp) {
00133 fdPush(u->data, fpio, fp, -1);
00134 (void) Fclose(u->data);
00135 } else if (fdio->_fileno(u->data) >= 0)
00136 xx = fdio->close(u->data);
00137 #else
00138 (void) Fclose(u->ctrl);
00139 #endif
00140
00141 u->data = fdio->_fdderef(u->data, "persist data (urlFree)", file, line);
00142
00143 if (u->data)
00144 fprintf(stderr, _("warning: u %p data %p nrefs != 0 (%s %s)\n"),
00145 u, u->data, (u->host ? u->host : ""),
00146 (u->scheme ? u->scheme : ""));
00147
00148 }
00149 if (u->sess != NULL) {
00150
00151 ne_session_destroy(u->sess);
00152 u->sess = NULL;
00153 }
00154 u->buf = _free(u->buf);
00155 u->url = _free(u->url);
00156 u->scheme = _free((void *)u->scheme);
00157 u->user = _free((void *)u->user);
00158 u->password = _free((void *)u->password);
00159 u->host = _free((void *)u->host);
00160 u->portstr = _free((void *)u->portstr);
00161 u->proxyu = _free((void *)u->proxyu);
00162 u->proxyh = _free((void *)u->proxyh);
00163
00164 u = _free(u);
00165 return NULL;
00166 }
00167
00168
00169 void urlFreeCache(void)
00170 {
00171 if (_url_cache) {
00172 int i;
00173 for (i = 0; i < _url_count; i++) {
00174 if (_url_cache[i] == NULL) continue;
00175 _url_cache[i] = urlFree(_url_cache[i], "_url_cache");
00176 if (_url_cache[i])
00177 fprintf(stderr,
00178 _("warning: _url_cache[%d] %p nrefs(%d) != 1 (%s %s)\n"),
00179 i, _url_cache[i], _url_cache[i]->nrefs,
00180 (_url_cache[i]->host ? _url_cache[i]->host : ""),
00181 (_url_cache[i]->scheme ? _url_cache[i]->scheme : ""));
00182 }
00183 }
00184 _url_cache = _free(_url_cache);
00185 _url_count = 0;
00186 }
00187
00188
00189 static int urlStrcmp( const char * str1, const char * str2)
00190
00191 {
00192 if (str1)
00193 if (str2)
00194 return strcmp(str1, str2);
00195 if (str1 != str2)
00196 return -1;
00197 return 0;
00198 }
00199
00200
00201
00202 static void urlFind( urlinfo * uret, int mustAsk)
00203
00204
00205 {
00206 urlinfo u;
00207 int ucx;
00208 int i = 0;
00209
00210 if (uret == NULL)
00211 return;
00212
00213 u = *uret;
00214 URLSANE(u);
00215
00216 ucx = -1;
00217 for (i = 0; i < _url_count; i++) {
00218 urlinfo ou = NULL;
00219 if (_url_cache == NULL || (ou = _url_cache[i]) == NULL) {
00220 if (ucx < 0)
00221 ucx = i;
00222 continue;
00223 }
00224
00225
00226
00227
00228
00229 if (urlStrcmp(u->scheme, ou->scheme))
00230 continue;
00231 if (urlStrcmp(u->host, ou->host))
00232 continue;
00233 if (urlStrcmp(u->user, ou->user))
00234 continue;
00235 if (urlStrcmp(u->portstr, ou->portstr))
00236 continue;
00237 break;
00238 }
00239
00240 if (i == _url_count) {
00241 if (ucx < 0) {
00242 ucx = _url_count++;
00243 _url_cache = xrealloc(_url_cache, sizeof(*_url_cache) * _url_count);
00244 }
00245 if (_url_cache)
00246 _url_cache[ucx] = urlLink(u, "_url_cache (miss)");
00247 u = urlFree(u, "urlSplit (urlFind miss)");
00248 } else {
00249 ucx = i;
00250 u = urlFree(u, "urlSplit (urlFind hit)");
00251 }
00252
00253
00254
00255 if (_url_cache)
00256 u = urlLink(_url_cache[ucx], "_url_cache");
00257 *uret = u;
00258
00259 u = urlFree(u, "_url_cache (urlFind)");
00260
00261
00262
00263 u->proxyp = -1;
00264 u->proxyh = _free(u->proxyh);
00265
00266
00267 if (u->urltype == URL_IS_FTP) {
00268
00269 if (mustAsk || (u->user != NULL && u->password == NULL)) {
00270 const char * host = (u->host ? u->host : "");
00271 const char * user = (u->user ? u->user : "");
00272 char * prompt;
00273 prompt = alloca(strlen(host) + strlen(user) + 256);
00274 sprintf(prompt, _("Password for %s@%s: "), user, host);
00275 u->password = _free(u->password);
00276
00277 u->password = getpass(prompt) ;
00278
00279 if (u->password)
00280 u->password = xstrdup(u->password);
00281 }
00282
00283 if (u->proxyh == NULL) {
00284 const char *proxy = rpmExpand("%{_ftpproxy}", NULL);
00285 if (proxy && *proxy != '%') {
00286
00287 const char * host = (u->host ? u->host : "");
00288 const char *uu = (u->user ? u->user : "anonymous");
00289 char *nu = xmalloc(strlen(uu) + sizeof("@") + strlen(host));
00290 (void) stpcpy( stpcpy( stpcpy(nu, uu), "@"), host);
00291 u->proxyu = nu;
00292 u->proxyh = xstrdup(proxy);
00293 }
00294 proxy = _free(proxy);
00295 }
00296
00297 if (u->proxyp < 0) {
00298 const char *proxy = rpmExpand("%{_ftpport}", NULL);
00299 if (proxy && *proxy != '%') {
00300 char *end = NULL;
00301 int port = strtol(proxy, &end, 0);
00302 if (!(end && *end == '\0')) {
00303 fprintf(stderr, _("error: %sport must be a number\n"),
00304 (u->scheme ? u->scheme : ""));
00305 return;
00306 }
00307 u->proxyp = port;
00308 }
00309 proxy = _free(proxy);
00310 }
00311 }
00312
00313
00314 if (u->urltype == URL_IS_HTTP || u->urltype == URL_IS_HTTPS || u->urltype == URL_IS_HKP) {
00315
00316 if (u->proxyh == NULL) {
00317 const char *proxy = rpmExpand("%{_httpproxy}", NULL);
00318 if (proxy && *proxy != '%')
00319 u->proxyh = xstrdup(proxy);
00320 proxy = _free(proxy);
00321 }
00322
00323 if (u->proxyp < 0) {
00324 const char *proxy = rpmExpand("%{_httpport}", NULL);
00325 if (proxy && *proxy != '%') {
00326 char *end;
00327 int port = strtol(proxy, &end, 0);
00328 if (!(end && *end == '\0')) {
00329 fprintf(stderr, _("error: %sport must be a number\n"),
00330 (u->scheme ? u->scheme : ""));
00331 return;
00332 }
00333 u->proxyp = port;
00334 }
00335 proxy = _free(proxy);
00336 }
00337
00338 }
00339
00340 return;
00341 }
00342
00343
00344
00347
00348 static struct urlstring {
00349
00350 const char * leadin;
00351 urltype ret;
00352 } urlstrings[] = {
00353 { "file://", URL_IS_PATH },
00354 { "ftp://", URL_IS_FTP },
00355 { "hkp://", URL_IS_HKP },
00356 { "http://", URL_IS_HTTP },
00357 { "https://", URL_IS_HTTPS },
00358 { "-", URL_IS_DASH },
00359 { NULL, URL_IS_UNKNOWN }
00360 };
00361
00362 urltype urlIsURL(const char * url)
00363 {
00364 struct urlstring *us;
00365
00366
00367 if (url && *url) {
00368 for (us = urlstrings; us->leadin != NULL; us++) {
00369 if (strncmp(url, us->leadin, strlen(us->leadin)))
00370 continue;
00371 return us->ret;
00372 }
00373 }
00374
00375
00376 return URL_IS_UNKNOWN;
00377 }
00378
00379
00380
00381 urltype urlPath(const char * url, const char ** pathp)
00382 {
00383 const char *path;
00384 int urltype;
00385
00386 path = url;
00387 urltype = urlIsURL(url);
00388
00389 switch (urltype) {
00390 case URL_IS_FTP:
00391 url += sizeof("ftp://") - 1;
00392 path = strchr(url, '/');
00393 if (path == NULL) path = url + strlen(url);
00394 break;
00395 case URL_IS_PATH:
00396 url += sizeof("file://") - 1;
00397 path = strchr(url, '/');
00398 if (path == NULL) path = url + strlen(url);
00399 break;
00400 case URL_IS_HKP:
00401 url += sizeof("hkp://") - 1;
00402 path = strchr(url, '/');
00403 if (path == NULL) path = url + strlen(url);
00404 break;
00405 case URL_IS_HTTP:
00406 url += sizeof("http://") - 1;
00407 path = strchr(url, '/');
00408 if (path == NULL) path = url + strlen(url);
00409 break;
00410 case URL_IS_HTTPS:
00411 url += sizeof("https://") - 1;
00412 path = strchr(url, '/');
00413 if (path == NULL) path = url + strlen(url);
00414 break;
00415 case URL_IS_UNKNOWN:
00416 if (path == NULL) path = "";
00417 break;
00418 case URL_IS_DASH:
00419 path = "";
00420 break;
00421 }
00422
00423 if (pathp)
00424
00425 *pathp = path;
00426
00427 return urltype;
00428 }
00429
00430
00431
00432
00433
00434
00435
00436
00437 int urlSplit(const char * url, urlinfo *uret)
00438 {
00439 urlinfo u;
00440 char *myurl;
00441 char *s, *se, *f, *fe;
00442
00443 if (uret == NULL)
00444 return -1;
00445 if ((u = urlNew("urlSplit")) == NULL)
00446 return -1;
00447
00448 if ((se = s = myurl = xstrdup(url)) == NULL) {
00449 u = urlFree(u, "urlSplit (error #1)");
00450 return -1;
00451 }
00452
00453 u->url = xstrdup(url);
00454 u->urltype = urlIsURL(url);
00455
00456 while (1) {
00457
00458 while (*se && *se != '/') se++;
00459
00460 if (*se && (se != s) && se[-1] == ':' && se[0] == '/' && se[1] == '/') {
00461 se[-1] = '\0';
00462 u->scheme = xstrdup(s);
00463 se += 2;
00464 s = se++;
00465 continue;
00466 }
00467
00468
00469 *se = '\0';
00470 break;
00471 }
00472
00473
00474 fe = f = s;
00475 while (*fe && *fe != '@') fe++;
00476
00477 if (*fe == '@') {
00478 s = fe + 1;
00479 *fe = '\0';
00480
00481 while (fe > f && *fe != ':') fe--;
00482 if (*fe == ':') {
00483 *fe++ = '\0';
00484 u->password = xstrdup(fe);
00485 }
00486 u->user = xstrdup(f);
00487 }
00488
00489
00490
00491 fe = f = s;
00492 while (*fe && *fe != ':') fe++;
00493 if (*fe == ':') {
00494 *fe++ = '\0';
00495 u->portstr = xstrdup(fe);
00496 if (u->portstr != NULL && u->portstr[0] != '\0') {
00497 char *end;
00498 u->port = strtol(u->portstr, &end, 0);
00499 if (!(end && *end == '\0')) {
00500 rpmMessage(RPMMESS_ERROR, _("url port must be a number\n"));
00501 myurl = _free(myurl);
00502 u = urlFree(u, "urlSplit (error #3)");
00503 return -1;
00504 }
00505 }
00506 }
00507 u->host = xstrdup(f);
00508
00509 if (u->port < 0 && u->scheme != NULL) {
00510 struct servent *serv;
00511
00512
00513 serv = getservbyname(u->scheme, "tcp");
00514
00515 if (serv != NULL)
00516 u->port = ntohs(serv->s_port);
00517 else if (u->urltype == URL_IS_FTP)
00518 u->port = IPPORT_FTP;
00519 else if (u->urltype == URL_IS_HKP)
00520 u->port = IPPORT_PGPKEYSERVER;
00521 else if (u->urltype == URL_IS_HTTP)
00522 u->port = IPPORT_HTTP;
00523 else if (u->urltype == URL_IS_HTTPS)
00524 u->port = IPPORT_HTTPS;
00525 }
00526
00527 myurl = _free(myurl);
00528 if (uret) {
00529 *uret = u;
00530
00531 urlFind(uret, 0);
00532
00533 }
00534 return 0;
00535 }
00536
00537
00538
00539 int urlGetFile(const char * url, const char * dest)
00540 {
00541 int rc;
00542 FD_t sfd = NULL;
00543 FD_t tfd = NULL;
00544 const char * sfuPath = NULL;
00545 int urlType = urlPath(url, &sfuPath);
00546
00547 if (*sfuPath == '\0')
00548 return FTPERR_UNKNOWN;
00549
00550 sfd = Fopen(url, "r.ufdio");
00551 if (sfd == NULL || Ferror(sfd)) {
00552 rpmMessage(RPMMESS_DEBUG, _("failed to open %s: %s\n"), url, Fstrerror(sfd));
00553 rc = FTPERR_UNKNOWN;
00554 goto exit;
00555 }
00556
00557 if (dest == NULL) {
00558 if ((dest = strrchr(sfuPath, '/')) != NULL)
00559 dest++;
00560 else
00561 dest = sfuPath;
00562 }
00563
00564 if (dest == NULL)
00565 return FTPERR_UNKNOWN;
00566
00567 tfd = Fopen(dest, "w.ufdio");
00568 if (_url_debug)
00569 fprintf(stderr, "*** urlGetFile sfd %p %s tfd %p %s\n", sfd, url, (tfd ? tfd : NULL), dest);
00570 if (tfd == NULL || Ferror(tfd)) {
00571
00572 rpmMessage(RPMMESS_DEBUG, _("failed to create %s: %s\n"), dest, Fstrerror(tfd));
00573 rc = FTPERR_UNKNOWN;
00574 goto exit;
00575 }
00576
00577 switch (urlType) {
00578 case URL_IS_HTTPS:
00579 case URL_IS_HTTP:
00580 case URL_IS_HKP:
00581 case URL_IS_FTP:
00582 case URL_IS_PATH:
00583 case URL_IS_DASH:
00584 case URL_IS_UNKNOWN:
00585 if ((rc = ufdGetFile(sfd, tfd))) {
00586 (void) Unlink(dest);
00587
00588 (void) Fclose(sfd) ;
00589 }
00590 sfd = NULL;
00591 break;
00592 default:
00593 rc = FTPERR_UNKNOWN;
00594 break;
00595 }
00596
00597 exit:
00598 if (tfd)
00599 (void) Fclose(tfd);
00600 if (sfd)
00601 (void) Fclose(sfd);
00602
00603 return rc;
00604 }