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 u->sess = NULL;
00152 }
00153 u->buf = _free(u->buf);
00154 u->url = _free(u->url);
00155 u->scheme = _free((void *)u->scheme);
00156 u->user = _free((void *)u->user);
00157 u->password = _free((void *)u->password);
00158 u->host = _free((void *)u->host);
00159 u->portstr = _free((void *)u->portstr);
00160 u->proxyu = _free((void *)u->proxyu);
00161 u->proxyh = _free((void *)u->proxyh);
00162
00163 u = _free(u);
00164 return NULL;
00165 }
00166
00167
00168 void urlFreeCache(void)
00169 {
00170 if (_url_cache) {
00171 int i;
00172 for (i = 0; i < _url_count; i++) {
00173 if (_url_cache[i] == NULL) continue;
00174 _url_cache[i] = urlFree(_url_cache[i], "_url_cache");
00175 if (_url_cache[i])
00176 fprintf(stderr,
00177 _("warning: _url_cache[%d] %p nrefs(%d) != 1 (%s %s)\n"),
00178 i, _url_cache[i], _url_cache[i]->nrefs,
00179 (_url_cache[i]->host ? _url_cache[i]->host : ""),
00180 (_url_cache[i]->scheme ? _url_cache[i]->scheme : ""));
00181 }
00182 }
00183 _url_cache = _free(_url_cache);
00184 _url_count = 0;
00185 }
00186
00187
00188 static int urlStrcmp( const char * str1, const char * str2)
00189
00190 {
00191 if (str1)
00192 if (str2)
00193 return strcmp(str1, str2);
00194 if (str1 != str2)
00195 return -1;
00196 return 0;
00197 }
00198
00199
00200
00201 static void urlFind( urlinfo * uret, int mustAsk)
00202
00203
00204 {
00205 urlinfo u;
00206 int ucx;
00207 int i = 0;
00208
00209 if (uret == NULL)
00210 return;
00211
00212 u = *uret;
00213 URLSANE(u);
00214
00215 ucx = -1;
00216 for (i = 0; i < _url_count; i++) {
00217 urlinfo ou = NULL;
00218 if (_url_cache == NULL || (ou = _url_cache[i]) == NULL) {
00219 if (ucx < 0)
00220 ucx = i;
00221 continue;
00222 }
00223
00224
00225
00226
00227
00228 if (urlStrcmp(u->scheme, ou->scheme))
00229 continue;
00230 if (urlStrcmp(u->host, ou->host))
00231 continue;
00232 if (urlStrcmp(u->user, ou->user))
00233 continue;
00234 if (urlStrcmp(u->portstr, ou->portstr))
00235 continue;
00236 break;
00237 }
00238
00239 if (i == _url_count) {
00240 if (ucx < 0) {
00241 ucx = _url_count++;
00242 _url_cache = xrealloc(_url_cache, sizeof(*_url_cache) * _url_count);
00243 }
00244 if (_url_cache)
00245 _url_cache[ucx] = urlLink(u, "_url_cache (miss)");
00246 u = urlFree(u, "urlSplit (urlFind miss)");
00247 } else {
00248 ucx = i;
00249 u = urlFree(u, "urlSplit (urlFind hit)");
00250 }
00251
00252
00253
00254 if (_url_cache)
00255 u = urlLink(_url_cache[ucx], "_url_cache");
00256 *uret = u;
00257
00258 u = urlFree(u, "_url_cache (urlFind)");
00259
00260
00261
00262 u->proxyp = -1;
00263 u->proxyh = _free(u->proxyh);
00264
00265
00266 if (u->urltype == URL_IS_FTP) {
00267
00268 if (mustAsk || (u->user != NULL && u->password == NULL)) {
00269 const char * host = (u->host ? u->host : "");
00270 const char * user = (u->user ? u->user : "");
00271 char * prompt;
00272 prompt = alloca(strlen(host) + strlen(user) + 256);
00273 sprintf(prompt, _("Password for %s@%s: "), user, host);
00274 u->password = _free(u->password);
00275
00276 u->password = getpass(prompt) ;
00277
00278 if (u->password)
00279 u->password = xstrdup(u->password);
00280 }
00281
00282 if (u->proxyh == NULL) {
00283 const char *proxy = rpmExpand("%{_ftpproxy}", NULL);
00284 if (proxy && *proxy != '%') {
00285
00286 const char * host = (u->host ? u->host : "");
00287 const char *uu = (u->user ? u->user : "anonymous");
00288 char *nu = xmalloc(strlen(uu) + sizeof("@") + strlen(host));
00289 (void) stpcpy( stpcpy( stpcpy(nu, uu), "@"), host);
00290 u->proxyu = nu;
00291 u->proxyh = xstrdup(proxy);
00292 }
00293 proxy = _free(proxy);
00294 }
00295
00296 if (u->proxyp < 0) {
00297 const char *proxy = rpmExpand("%{_ftpport}", NULL);
00298 if (proxy && *proxy != '%') {
00299 char *end = NULL;
00300 int port = strtol(proxy, &end, 0);
00301 if (!(end && *end == '\0')) {
00302 fprintf(stderr, _("error: %sport must be a number\n"),
00303 (u->scheme ? u->scheme : ""));
00304 return;
00305 }
00306 u->proxyp = port;
00307 }
00308 proxy = _free(proxy);
00309 }
00310 }
00311
00312
00313 if (u->urltype == URL_IS_HTTP || u->urltype == URL_IS_HTTPS || u->urltype == URL_IS_HKP) {
00314
00315 if (u->proxyh == NULL) {
00316 const char *proxy = rpmExpand("%{_httpproxy}", NULL);
00317 if (proxy && *proxy != '%')
00318 u->proxyh = xstrdup(proxy);
00319 proxy = _free(proxy);
00320 }
00321
00322 if (u->proxyp < 0) {
00323 const char *proxy = rpmExpand("%{_httpport}", NULL);
00324 if (proxy && *proxy != '%') {
00325 char *end;
00326 int port = strtol(proxy, &end, 0);
00327 if (!(end && *end == '\0')) {
00328 fprintf(stderr, _("error: %sport must be a number\n"),
00329 (u->scheme ? u->scheme : ""));
00330 return;
00331 }
00332 u->proxyp = port;
00333 }
00334 proxy = _free(proxy);
00335 }
00336
00337 }
00338
00339 return;
00340 }
00341
00342
00343
00346
00347 static struct urlstring {
00348
00349 const char * leadin;
00350 urltype ret;
00351 } urlstrings[] = {
00352 { "file://", URL_IS_PATH },
00353 { "ftp://", URL_IS_FTP },
00354 { "-", URL_IS_DASH },
00355 { NULL, URL_IS_UNKNOWN }
00356 };
00357
00358 urltype urlIsURL(const char * url)
00359 {
00360 struct urlstring *us;
00361
00362
00363 if (url && *url) {
00364 for (us = urlstrings; us->leadin != NULL; us++) {
00365 if (strncmp(url, us->leadin, strlen(us->leadin)))
00366 continue;
00367 return us->ret;
00368 }
00369 }
00370
00371
00372 return URL_IS_UNKNOWN;
00373 }
00374
00375
00376
00377 urltype urlPath(const char * url, const char ** pathp)
00378 {
00379 const char *path;
00380 int urltype;
00381
00382 path = url;
00383 urltype = urlIsURL(url);
00384
00385 switch (urltype) {
00386 case URL_IS_FTP:
00387 url += sizeof("ftp://") - 1;
00388 path = strchr(url, '/');
00389 if (path == NULL) path = url + strlen(url);
00390 break;
00391 case URL_IS_PATH:
00392 url += sizeof("file://") - 1;
00393 path = strchr(url, '/');
00394 if (path == NULL) path = url + strlen(url);
00395 break;
00396 case URL_IS_HKP:
00397 url += sizeof("hkp://") - 1;
00398 path = strchr(url, '/');
00399 if (path == NULL) path = url + strlen(url);
00400 break;
00401 case URL_IS_HTTP:
00402 url += sizeof("http://") - 1;
00403 path = strchr(url, '/');
00404 if (path == NULL) path = url + strlen(url);
00405 break;
00406 case URL_IS_HTTPS:
00407 url += sizeof("https://") - 1;
00408 path = strchr(url, '/');
00409 if (path == NULL) path = url + strlen(url);
00410 break;
00411 case URL_IS_UNKNOWN:
00412 if (path == NULL) path = "";
00413 break;
00414 case URL_IS_DASH:
00415 path = "";
00416 break;
00417 }
00418
00419 if (pathp)
00420
00421 *pathp = path;
00422
00423 return urltype;
00424 }
00425
00426
00427
00428
00429
00430
00431
00432
00433 int urlSplit(const char * url, urlinfo *uret)
00434 {
00435 urlinfo u;
00436 char *myurl;
00437 char *s, *se, *f, *fe;
00438
00439 if (uret == NULL)
00440 return -1;
00441 if ((u = urlNew("urlSplit")) == NULL)
00442 return -1;
00443
00444 if ((se = s = myurl = xstrdup(url)) == NULL) {
00445 u = urlFree(u, "urlSplit (error #1)");
00446 return -1;
00447 }
00448
00449 u->url = xstrdup(url);
00450 u->urltype = urlIsURL(url);
00451
00452 while (1) {
00453
00454 while (*se && *se != '/') se++;
00455
00456 if (*se && (se != s) && se[-1] == ':' && se[0] == '/' && se[1] == '/') {
00457 se[-1] = '\0';
00458 u->scheme = xstrdup(s);
00459 se += 2;
00460 s = se++;
00461 continue;
00462 }
00463
00464
00465 *se = '\0';
00466 break;
00467 }
00468
00469
00470 fe = f = s;
00471 while (*fe && *fe != '@') fe++;
00472
00473 if (*fe == '@') {
00474 s = fe + 1;
00475 *fe = '\0';
00476
00477 while (fe > f && *fe != ':') fe--;
00478 if (*fe == ':') {
00479 *fe++ = '\0';
00480 u->password = xstrdup(fe);
00481 }
00482 u->user = xstrdup(f);
00483 }
00484
00485
00486
00487 fe = f = s;
00488 while (*fe && *fe != ':') fe++;
00489 if (*fe == ':') {
00490 *fe++ = '\0';
00491 u->portstr = xstrdup(fe);
00492 if (u->portstr != NULL && u->portstr[0] != '\0') {
00493 char *end;
00494 u->port = strtol(u->portstr, &end, 0);
00495 if (!(end && *end == '\0')) {
00496 rpmMessage(RPMMESS_ERROR, _("url port must be a number\n"));
00497 myurl = _free(myurl);
00498 u = urlFree(u, "urlSplit (error #3)");
00499 return -1;
00500 }
00501 }
00502 }
00503 u->host = xstrdup(f);
00504
00505 if (u->port < 0 && u->scheme != NULL) {
00506 struct servent *serv;
00507
00508
00509 serv = getservbyname(u->scheme, "tcp");
00510
00511 if (serv != NULL)
00512 u->port = ntohs(serv->s_port);
00513 else if (u->urltype == URL_IS_FTP)
00514 u->port = IPPORT_FTP;
00515 else if (u->urltype == URL_IS_HKP)
00516 u->port = IPPORT_PGPKEYSERVER;
00517 else if (u->urltype == URL_IS_HTTP)
00518 u->port = IPPORT_HTTP;
00519 else if (u->urltype == URL_IS_HTTPS)
00520 u->port = IPPORT_HTTPS;
00521 }
00522
00523 myurl = _free(myurl);
00524 if (uret) {
00525 *uret = u;
00526
00527 urlFind(uret, 0);
00528
00529 }
00530 return 0;
00531 }
00532
00533
00534
00535 int urlGetFile(const char * url, const char * dest)
00536 {
00537 int rc;
00538 FD_t sfd = NULL;
00539 FD_t tfd = NULL;
00540 const char * sfuPath = NULL;
00541 int urlType = urlPath(url, &sfuPath);
00542
00543 if (*sfuPath == '\0')
00544 return FTPERR_UNKNOWN;
00545
00546 sfd = Fopen(url, "r.ufdio");
00547 if (sfd == NULL || Ferror(sfd)) {
00548 rpmMessage(RPMMESS_DEBUG, _("failed to open %s: %s\n"), url, Fstrerror(sfd));
00549 rc = FTPERR_UNKNOWN;
00550 goto exit;
00551 }
00552
00553 if (dest == NULL) {
00554 if ((dest = strrchr(sfuPath, '/')) != NULL)
00555 dest++;
00556 else
00557 dest = sfuPath;
00558 }
00559
00560 if (dest == NULL)
00561 return FTPERR_UNKNOWN;
00562
00563 tfd = Fopen(dest, "w.ufdio");
00564 if (_url_debug)
00565 fprintf(stderr, "*** urlGetFile sfd %p %s tfd %p %s\n", sfd, url, (tfd ? tfd : NULL), dest);
00566 if (tfd == NULL || Ferror(tfd)) {
00567
00568 rpmMessage(RPMMESS_DEBUG, _("failed to create %s: %s\n"), dest, Fstrerror(tfd));
00569 rc = FTPERR_UNKNOWN;
00570 goto exit;
00571 }
00572
00573 switch (urlType) {
00574 case URL_IS_HTTPS:
00575 case URL_IS_HTTP:
00576 case URL_IS_HKP:
00577 case URL_IS_FTP:
00578 case URL_IS_PATH:
00579 case URL_IS_DASH:
00580 case URL_IS_UNKNOWN:
00581 if ((rc = ufdGetFile(sfd, tfd))) {
00582 (void) Unlink(dest);
00583
00584 (void) Fclose(sfd) ;
00585 }
00586 sfd = NULL;
00587 break;
00588 default:
00589 rc = FTPERR_UNKNOWN;
00590 break;
00591 }
00592
00593 exit:
00594 if (tfd)
00595 (void) Fclose(tfd);
00596 if (sfd)
00597 (void) Fclose(sfd);
00598
00599 return rc;
00600 }