00001
00006 #include "system.h"
00007
00008 #include <netinet/in.h>
00009
00010 #include <rpmmacro.h>
00011 #include <rpmmessages.h>
00012 #include <rpmio_internal.h>
00013
00014 #include "debug.h"
00015
00016
00017
00018
00019 #ifndef IPPORT_FTP
00020 #define IPPORT_FTP 21
00021 #endif
00022 #ifndef IPPORT_HTTP
00023 #define IPPORT_HTTP 80
00024 #endif
00025
00028
00029 int _url_iobuf_size = RPMURL_IOBUF_SIZE;
00030
00033
00034 int _url_debug = 0;
00035
00036 #define URLDBG(_f, _m, _x) if ((_url_debug | (_f)) & (_m)) fprintf _x
00037
00038 #define URLDBGIO(_f, _x) URLDBG((_f), RPMURL_DEBUG_IO, _x)
00039 #define URLDBGREFS(_f, _x) URLDBG((_f), RPMURL_DEBUG_REFS, _x)
00040
00043
00044
00045 urlinfo *_url_cache = NULL;
00046
00049
00050 int _url_count = 0;
00051
00057 static inline void *
00058 _free( const void * p)
00059 {
00060 if (p != NULL) free((void *)p);
00061 return NULL;
00062 }
00063
00064 urlinfo XurlLink(urlinfo u, const char *msg, const char *file, unsigned line)
00065 {
00066 URLSANE(u);
00067 u->nrefs++;
00068
00069 URLDBGREFS(0, (stderr, "--> url %p ++ %d %s at %s:%u\n", u, u->nrefs, msg, file, line));
00070
00071 return u;
00072 }
00073
00074 urlinfo XurlNew(const char *msg, const char *file, unsigned line)
00075 {
00076 urlinfo u;
00077 if ((u = xmalloc(sizeof(*u))) == NULL)
00078 return NULL;
00079 memset(u, 0, sizeof(*u));
00080 u->proxyp = -1;
00081 u->port = -1;
00082 u->urltype = URL_IS_UNKNOWN;
00083 u->ctrl = NULL;
00084 u->data = NULL;
00085 u->bufAlloced = 0;
00086 u->buf = NULL;
00087 u->httpHasRange = 1;
00088 u->httpVersion = 0;
00089 u->nrefs = 0;
00090 u->magic = URLMAGIC;
00091 return XurlLink(u, msg, file, line);
00092 }
00093
00094 urlinfo XurlFree(urlinfo u, const char *msg, const char *file, unsigned line)
00095 {
00096 int xx;
00097
00098 URLSANE(u);
00099 URLDBGREFS(0, (stderr, "--> url %p -- %d %s at %s:%u\n", u, u->nrefs, msg, file, line));
00100 if (--u->nrefs > 0)
00101 return u;
00102 if (u->ctrl) {
00103 #ifndef NOTYET
00104 void * fp = fdGetFp(u->ctrl);
00105
00106 if (fp) {
00107 fdPush(u->ctrl, fpio, fp, -1);
00108 (void) Fclose(u->ctrl);
00109 } else if (fdio->_fileno(u->ctrl) >= 0)
00110 xx = fdio->close(u->ctrl);
00111
00112 #else
00113 (void) Fclose(u->ctrl);
00114 #endif
00115
00116 u->ctrl = fdio->_fdderef(u->ctrl, "persist ctrl (urlFree)", file, line);
00117
00118 if (u->ctrl)
00119 fprintf(stderr, _("warning: u %p ctrl %p nrefs != 0 (%s %s)\n"),
00120 u, u->ctrl, (u->host ? u->host : ""),
00121 (u->service ? u->service : ""));
00122
00123 }
00124 if (u->data) {
00125 #ifndef NOTYET
00126 void * fp = fdGetFp(u->data);
00127 if (fp) {
00128 fdPush(u->data, fpio, fp, -1);
00129 (void) Fclose(u->data);
00130 } else if (fdio->_fileno(u->data) >= 0)
00131 xx = fdio->close(u->data);
00132 #else
00133 (void) Fclose(u->ctrl);
00134 #endif
00135
00136 u->data = fdio->_fdderef(u->data, "persist data (urlFree)", file, line);
00137
00138 if (u->data)
00139 fprintf(stderr, _("warning: u %p data %p nrefs != 0 (%s %s)\n"),
00140 u, u->data, (u->host ? u->host : ""),
00141 (u->service ? u->service : ""));
00142
00143 }
00144 u->buf = _free(u->buf);
00145 u->url = _free(u->url);
00146 u->service = _free((void *)u->service);
00147 u->user = _free((void *)u->user);
00148 u->password = _free((void *)u->password);
00149 u->host = _free((void *)u->host);
00150 u->portstr = _free((void *)u->portstr);
00151 u->proxyu = _free((void *)u->proxyu);
00152 u->proxyh = _free((void *)u->proxyh);
00153
00154 u = _free(u);
00155 return NULL;
00156 }
00157
00158 void urlFreeCache(void)
00159 {
00160 if (_url_cache) {
00161 int i;
00162 for (i = 0; i < _url_count; i++) {
00163 if (_url_cache[i] == NULL) continue;
00164 _url_cache[i] = urlFree(_url_cache[i], "_url_cache");
00165 if (_url_cache[i])
00166 fprintf(stderr,
00167 _("warning: _url_cache[%d] %p nrefs(%d) != 1 (%s %s)\n"),
00168 i, _url_cache[i], _url_cache[i]->nrefs,
00169 (_url_cache[i]->host ? _url_cache[i]->host : ""),
00170 (_url_cache[i]->service ? _url_cache[i]->service : ""));
00171 }
00172 }
00173 _url_cache = _free(_url_cache);
00174 _url_count = 0;
00175 }
00176
00177 static int urlStrcmp( const char * str1, const char * str2)
00178
00179 {
00180 if (str1 && str2)
00181
00182 return strcmp(str1, str2);
00183
00184 if (str1 != str2)
00185 return -1;
00186 return 0;
00187 }
00188
00189
00190 static void urlFind( urlinfo * uret, int mustAsk)
00191
00192
00193
00194
00195 {
00196 urlinfo u;
00197 int ucx;
00198 int i = 0;
00199
00200 if (uret == NULL)
00201 return;
00202
00203 u = *uret;
00204 URLSANE(u);
00205
00206 ucx = -1;
00207 for (i = 0; i < _url_count; i++) {
00208 urlinfo ou = NULL;
00209 if (_url_cache == NULL || (ou = _url_cache[i]) == NULL) {
00210 if (ucx < 0)
00211 ucx = i;
00212 continue;
00213 }
00214
00215
00216
00217
00218
00219 if (urlStrcmp(u->service, ou->service))
00220 continue;
00221 if (urlStrcmp(u->host, ou->host))
00222 continue;
00223 if (urlStrcmp(u->user, ou->user))
00224 continue;
00225 if (urlStrcmp(u->portstr, ou->portstr))
00226 continue;
00227 break;
00228 }
00229
00230 if (i == _url_count) {
00231 if (ucx < 0) {
00232 ucx = _url_count++;
00233 _url_cache = xrealloc(_url_cache, sizeof(*_url_cache) * _url_count);
00234 }
00235 if (_url_cache)
00236 _url_cache[ucx] = urlLink(u, "_url_cache (miss)");
00237 u = urlFree(u, "urlSplit (urlFind miss)");
00238 } else {
00239 ucx = i;
00240 u = urlFree(u, "urlSplit (urlFind hit)");
00241 }
00242
00243
00244
00245 if (_url_cache)
00246 u = urlLink(_url_cache[ucx], "_url_cache");
00247 *uret = u;
00248
00249 u = urlFree(u, "_url_cache (urlFind)");
00250
00251
00252
00253 u->proxyp = -1;
00254 u->proxyh = _free(u->proxyh);
00255
00256
00257 if (u->urltype == URL_IS_FTP) {
00258
00259 if (mustAsk || (u->user != NULL && u->password == NULL)) {
00260 const char * host = (u->host ? u->host : "");
00261 const char * user = (u->user ? u->user : "");
00262 char * prompt;
00263 prompt = alloca(strlen(host) + strlen(user) + 256);
00264 sprintf(prompt, _("Password for %s@%s: "), user, host);
00265 u->password = _free(u->password);
00266 u->password = getpass(prompt) ;
00267 u->password = xstrdup(u->password);
00268 }
00269
00270 if (u->proxyh == NULL) {
00271 const char *proxy = rpmExpand("%{_ftpproxy}", NULL);
00272 if (proxy && *proxy != '%') {
00273 const char * host = (u->host ? u->host : "");
00274 const char *uu = (u->user ? u->user : "anonymous");
00275 char *nu = xmalloc(strlen(uu) + sizeof("@") + strlen(host));
00276 (void) stpcpy( stpcpy( stpcpy(nu, uu), "@"), host);
00277 u->proxyu = nu;
00278 u->proxyh = xstrdup(proxy);
00279 }
00280 proxy = _free(proxy);
00281 }
00282
00283 if (u->proxyp < 0) {
00284 const char *proxy = rpmExpand("%{_ftpport}", NULL);
00285 if (proxy && *proxy != '%') {
00286 char *end;
00287 int port = strtol(proxy, &end, 0);
00288 if (!(end && *end == '\0')) {
00289 fprintf(stderr, _("error: %sport must be a number\n"),
00290 (u->service ? u->service : ""));
00291 return;
00292 }
00293 u->proxyp = port;
00294 }
00295 proxy = _free(proxy);
00296 }
00297 }
00298
00299
00300 if (u->urltype == URL_IS_HTTP) {
00301
00302 if (u->proxyh == NULL) {
00303 const char *proxy = rpmExpand("%{_httpproxy}", NULL);
00304 if (proxy && *proxy != '%')
00305 u->proxyh = xstrdup(proxy);
00306 proxy = _free(proxy);
00307 }
00308
00309 if (u->proxyp < 0) {
00310 const char *proxy = rpmExpand("%{_httpport}", NULL);
00311 if (proxy && *proxy != '%') {
00312 char *end;
00313 int port = strtol(proxy, &end, 0);
00314 if (!(end && *end == '\0')) {
00315 fprintf(stderr, _("error: %sport must be a number\n"),
00316 (u->service ? u->service : ""));
00317 return;
00318 }
00319 u->proxyp = port;
00320 }
00321 proxy = _free(proxy);
00322 }
00323
00324 }
00325
00326 return;
00327 }
00328
00329
00332
00333 static struct urlstring {
00334 const char * leadin;
00335 urltype ret;
00336 } urlstrings[] = {
00337 { "file://", URL_IS_PATH },
00338 { "ftp://", URL_IS_FTP },
00339 { "http://", URL_IS_HTTP },
00340 { "-", URL_IS_DASH },
00341 { NULL, URL_IS_UNKNOWN }
00342 };
00343
00344 urltype urlIsURL(const char * url)
00345 {
00346 struct urlstring *us;
00347
00348 if (url && *url) {
00349 for (us = urlstrings; us->leadin != NULL; us++) {
00350 if (strncmp(url, us->leadin, strlen(us->leadin)))
00351 continue;
00352 return us->ret;
00353 }
00354 }
00355
00356 return URL_IS_UNKNOWN;
00357 }
00358
00359
00360 urltype urlPath(const char * url, const char ** pathp)
00361 {
00362 const char *path;
00363 int urltype;
00364
00365 path = url;
00366 urltype = urlIsURL(url);
00367
00368 switch (urltype) {
00369 case URL_IS_FTP:
00370 url += sizeof("ftp://") - 1;
00371 path = strchr(url, '/');
00372 if (path == NULL) path = url + strlen(url);
00373 break;
00374 case URL_IS_HTTP:
00375 case URL_IS_PATH:
00376 url += sizeof("file://") - 1;
00377 path = strchr(url, '/');
00378 if (path == NULL) path = url + strlen(url);
00379 break;
00380 case URL_IS_UNKNOWN:
00381 if (path == NULL) path = "";
00382 break;
00383 case URL_IS_DASH:
00384 path = "";
00385 break;
00386 }
00387
00388 if (pathp)
00389
00390 *pathp = path;
00391
00392 return urltype;
00393 }
00394
00395
00396
00397
00398
00399
00400 int urlSplit(const char * url, urlinfo *uret)
00401 {
00402 urlinfo u;
00403 char *myurl;
00404 char *s, *se, *f, *fe;
00405
00406 if (uret == NULL)
00407 return -1;
00408 if ((u = urlNew("urlSplit")) == NULL)
00409 return -1;
00410
00411 if ((se = s = myurl = xstrdup(url)) == NULL) {
00412 u = urlFree(u, "urlSplit (error #1)");
00413 return -1;
00414 }
00415
00416 u->url = xstrdup(url);
00417 u->urltype = urlIsURL(url);
00418
00419 while (1) {
00420
00421 while (*se && *se != '/') se++;
00422
00423 if (*se && (se != s) && se[-1] == ':' && se[0] == '/' && se[1] == '/') {
00424 se[-1] = '\0';
00425 u->service = xstrdup(s);
00426 se += 2;
00427 s = se++;
00428 continue;
00429 }
00430
00431
00432 *se = '\0';
00433 break;
00434 }
00435
00436
00437 fe = f = s;
00438 while (*fe && *fe != '@') fe++;
00439
00440 if (*fe == '@') {
00441 s = fe + 1;
00442 *fe = '\0';
00443
00444 while (fe > f && *fe != ':') fe--;
00445 if (*fe == ':') {
00446 *fe++ = '\0';
00447 u->password = xstrdup(fe);
00448 }
00449 u->user = xstrdup(f);
00450 }
00451
00452
00453
00454 fe = f = s;
00455 while (*fe && *fe != ':') fe++;
00456 if (*fe == ':') {
00457 *fe++ = '\0';
00458 u->portstr = xstrdup(fe);
00459 if (u->portstr != NULL && u->portstr[0] != '\0') {
00460 char *end;
00461 u->port = strtol(u->portstr, &end, 0);
00462 if (!(end && *end == '\0')) {
00463 rpmMessage(RPMMESS_ERROR, _("url port must be a number\n"));
00464 myurl = _free(myurl);
00465 u = urlFree(u, "urlSplit (error #3)");
00466 return -1;
00467 }
00468 }
00469 }
00470 u->host = xstrdup(f);
00471
00472 if (u->port < 0 && u->service != NULL) {
00473 struct servent *serv;
00474
00475 serv = getservbyname(u->service, "tcp");
00476
00477 if (serv != NULL)
00478 u->port = ntohs(serv->s_port);
00479 else if (u->urltype == URL_IS_FTP)
00480 u->port = IPPORT_FTP;
00481 else if (u->urltype == URL_IS_HTTP)
00482 u->port = IPPORT_HTTP;
00483 }
00484
00485 myurl = _free(myurl);
00486 if (uret) {
00487 *uret = u;
00488
00489 urlFind(uret, 0);
00490
00491 }
00492 return 0;
00493 }
00494
00495
00496 int urlGetFile(const char * url, const char * dest)
00497 {
00498 int rc;
00499 FD_t sfd = NULL;
00500 FD_t tfd = NULL;
00501 const char * sfuPath = NULL;
00502 int urlType = urlPath(url, &sfuPath);
00503
00504 if (*sfuPath == '\0')
00505 return FTPERR_UNKNOWN;
00506
00507 sfd = Fopen(url, "r.ufdio");
00508 if (sfd == NULL || Ferror(sfd)) {
00509 rpmMessage(RPMMESS_DEBUG, _("failed to open %s: %s\n"), url, Fstrerror(sfd));
00510 rc = FTPERR_UNKNOWN;
00511 goto exit;
00512 }
00513
00514 if (dest == NULL) {
00515 if ((dest = strrchr(sfuPath, '/')) != NULL)
00516 dest++;
00517 else
00518 dest = sfuPath;
00519 }
00520
00521 if (dest == NULL)
00522 return FTPERR_UNKNOWN;
00523
00524 tfd = Fopen(dest, "w.ufdio");
00525 if (_url_debug)
00526 fprintf(stderr, "*** urlGetFile sfd %p %s tfd %p %s\n", sfd, url, (tfd ? tfd : NULL), dest);
00527 if (tfd == NULL || Ferror(tfd)) {
00528
00529 rpmMessage(RPMMESS_DEBUG, _("failed to create %s: %s\n"), dest, Fstrerror(tfd));
00530 rc = FTPERR_UNKNOWN;
00531 goto exit;
00532 }
00533
00534 switch (urlType) {
00535 case URL_IS_FTP:
00536 case URL_IS_HTTP:
00537 case URL_IS_PATH:
00538 case URL_IS_DASH:
00539 case URL_IS_UNKNOWN:
00540 if ((rc = ufdGetFile(sfd, tfd))) {
00541 (void) Unlink(dest);
00542
00543 (void) Fclose(sfd) ;
00544 }
00545 sfd = NULL;
00546 break;
00547 default:
00548 rc = FTPERR_UNKNOWN;
00549 break;
00550 }
00551
00552 exit:
00553 if (tfd)
00554 (void) Fclose(tfd);
00555 if (sfd)
00556 (void) Fclose(sfd);
00557
00558 return rc;
00559 }
00560