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
00057 urlinfo XurlLink(urlinfo u, const char *msg, const char *file, unsigned line)
00058 {
00059 URLSANE(u);
00060 u->nrefs++;
00061
00062 URLDBGREFS(0, (stderr, "--> url %p ++ %d %s at %s:%u\n", u, u->nrefs, msg, file, line));
00063
00064 return u;
00065 }
00066
00067 urlinfo XurlNew(const char *msg, const char *file, unsigned line)
00068 {
00069 urlinfo u;
00070 if ((u = xmalloc(sizeof(*u))) == NULL)
00071 return NULL;
00072 memset(u, 0, sizeof(*u));
00073 u->proxyp = -1;
00074 u->port = -1;
00075 u->urltype = URL_IS_UNKNOWN;
00076 u->ctrl = NULL;
00077 u->data = NULL;
00078 u->bufAlloced = 0;
00079 u->buf = NULL;
00080 u->allow = RPMURL_SERVER_HASRANGE;
00081 u->httpVersion = 0;
00082 u->nrefs = 0;
00083 u->magic = URLMAGIC;
00084 return XurlLink(u, msg, file, line);
00085 }
00086
00087 urlinfo XurlFree(urlinfo u, const char *msg, const char *file, unsigned line)
00088 {
00089 int xx;
00090
00091 URLSANE(u);
00092 URLDBGREFS(0, (stderr, "--> url %p -- %d %s at %s:%u\n", u, u->nrefs, msg, file, line));
00093 if (--u->nrefs > 0)
00094 return u;
00095 if (u->ctrl) {
00096 #ifndef NOTYET
00097 void * fp = fdGetFp(u->ctrl);
00098
00099 if (fp) {
00100 fdPush(u->ctrl, fpio, fp, -1);
00101 (void) Fclose(u->ctrl);
00102 } else if (fdio->_fileno(u->ctrl) >= 0)
00103 xx = fdio->close(u->ctrl);
00104
00105 #else
00106 (void) Fclose(u->ctrl);
00107 #endif
00108
00109 u->ctrl = fdio->_fdderef(u->ctrl, "persist ctrl (urlFree)", file, line);
00110
00111 if (u->ctrl)
00112 fprintf(stderr, _("warning: u %p ctrl %p nrefs != 0 (%s %s)\n"),
00113 u, u->ctrl, (u->host ? u->host : ""),
00114 (u->scheme ? u->scheme : ""));
00115
00116 }
00117 if (u->data) {
00118 #ifndef NOTYET
00119 void * fp = fdGetFp(u->data);
00120 if (fp) {
00121 fdPush(u->data, fpio, fp, -1);
00122 (void) Fclose(u->data);
00123 } else if (fdio->_fileno(u->data) >= 0)
00124 xx = fdio->close(u->data);
00125 #else
00126 (void) Fclose(u->ctrl);
00127 #endif
00128
00129 u->data = fdio->_fdderef(u->data, "persist data (urlFree)", file, line);
00130
00131 if (u->data)
00132 fprintf(stderr, _("warning: u %p data %p nrefs != 0 (%s %s)\n"),
00133 u, u->data, (u->host ? u->host : ""),
00134 (u->scheme ? u->scheme : ""));
00135
00136 }
00137 xx = davFree(u);
00138 u->buf = _free(u->buf);
00139 u->url = _free(u->url);
00140 u->scheme = _free((void *)u->scheme);
00141 u->user = _free((void *)u->user);
00142 u->password = _free((void *)u->password);
00143 u->host = _free((void *)u->host);
00144 u->portstr = _free((void *)u->portstr);
00145 u->proxyu = _free((void *)u->proxyu);
00146 u->proxyh = _free((void *)u->proxyh);
00147
00148 u = _free(u);
00149 return NULL;
00150 }
00151
00152
00153 void urlFreeCache(void)
00154 {
00155 if (_url_cache) {
00156 int i;
00157 for (i = 0; i < _url_count; i++) {
00158 if (_url_cache[i] == NULL) continue;
00159 _url_cache[i] = urlFree(_url_cache[i], "_url_cache");
00160 if (_url_cache[i])
00161 fprintf(stderr,
00162 _("warning: _url_cache[%d] %p nrefs(%d) != 1 (%s %s)\n"),
00163 i, _url_cache[i], _url_cache[i]->nrefs,
00164 (_url_cache[i]->host ? _url_cache[i]->host : ""),
00165 (_url_cache[i]->scheme ? _url_cache[i]->scheme : ""));
00166 }
00167 }
00168 _url_cache = _free(_url_cache);
00169 _url_count = 0;
00170 }
00171
00172
00173 static int urlStrcmp( const char * str1, const char * str2)
00174
00175 {
00176 if (str1)
00177 if (str2)
00178 return strcmp(str1, str2);
00179 if (str1 != str2)
00180 return -1;
00181 return 0;
00182 }
00183
00184
00185
00186 static void urlFind( urlinfo * uret, int mustAsk)
00187
00188
00189 {
00190 urlinfo u;
00191 int ucx;
00192 int i = 0;
00193
00194 if (uret == NULL)
00195 return;
00196
00197 u = *uret;
00198 URLSANE(u);
00199
00200 ucx = -1;
00201 for (i = 0; i < _url_count; i++) {
00202 urlinfo ou = NULL;
00203 if (_url_cache == NULL || (ou = _url_cache[i]) == NULL) {
00204 if (ucx < 0)
00205 ucx = i;
00206 continue;
00207 }
00208
00209
00210
00211
00212
00213 if (urlStrcmp(u->scheme, ou->scheme))
00214 continue;
00215 if (urlStrcmp(u->host, ou->host))
00216 continue;
00217 if (urlStrcmp(u->user, ou->user))
00218 continue;
00219 if (urlStrcmp(u->portstr, ou->portstr))
00220 continue;
00221 break;
00222 }
00223
00224 if (i == _url_count) {
00225 if (ucx < 0) {
00226 ucx = _url_count++;
00227 _url_cache = xrealloc(_url_cache, sizeof(*_url_cache) * _url_count);
00228 }
00229 if (_url_cache)
00230 _url_cache[ucx] = urlLink(u, "_url_cache (miss)");
00231 u = urlFree(u, "urlSplit (urlFind miss)");
00232 } else {
00233 ucx = i;
00234 u = urlFree(u, "urlSplit (urlFind hit)");
00235 }
00236
00237
00238
00239 if (_url_cache)
00240 u = urlLink(_url_cache[ucx], "_url_cache");
00241 *uret = u;
00242
00243 u = urlFree(u, "_url_cache (urlFind)");
00244
00245
00246
00247 u->proxyp = -1;
00248 u->proxyh = _free(u->proxyh);
00249
00250
00251 if (u->urltype == URL_IS_FTP) {
00252
00253 if (mustAsk || (u->user != NULL && u->password == NULL)) {
00254 const char * host = (u->host ? u->host : "");
00255 const char * user = (u->user ? u->user : "");
00256 char * prompt;
00257 prompt = alloca(strlen(host) + strlen(user) + 256);
00258 sprintf(prompt, _("Password for %s@%s: "), user, host);
00259 u->password = _free(u->password);
00260
00261 u->password = Getpass(prompt);
00262
00263 if (u->password)
00264 u->password = xstrdup(u->password);
00265 }
00266
00267 if (u->proxyh == NULL) {
00268 const char *proxy = rpmExpand("%{_ftpproxy}", NULL);
00269 if (proxy && *proxy != '%') {
00270
00271 const char * host = (u->host ? u->host : "");
00272 const char *uu = (u->user ? u->user : "anonymous");
00273 char *nu = xmalloc(strlen(uu) + sizeof("@") + strlen(host));
00274 (void) stpcpy( stpcpy( stpcpy(nu, uu), "@"), host);
00275 u->proxyu = nu;
00276 u->proxyh = xstrdup(proxy);
00277 }
00278 proxy = _free(proxy);
00279 }
00280
00281 if (u->proxyp < 0) {
00282 const char *proxy = rpmExpand("%{_ftpport}", NULL);
00283 if (proxy && *proxy != '%') {
00284 char *end = NULL;
00285 int port = strtol(proxy, &end, 0);
00286 if (!(end && *end == '\0')) {
00287 fprintf(stderr, _("error: %sport must be a number\n"),
00288 (u->scheme ? u->scheme : ""));
00289 return;
00290 }
00291 u->proxyp = port;
00292 }
00293 proxy = _free(proxy);
00294 }
00295 }
00296
00297
00298 if (u->urltype == URL_IS_HTTP || u->urltype == URL_IS_HTTPS || u->urltype == URL_IS_HKP) {
00299
00300 if (u->proxyh == NULL) {
00301 const char *proxy = rpmExpand("%{_httpproxy}", NULL);
00302 if (proxy && *proxy != '%')
00303 u->proxyh = xstrdup(proxy);
00304 proxy = _free(proxy);
00305 }
00306
00307 if (u->proxyp < 0) {
00308 const char *proxy = rpmExpand("%{_httpport}", NULL);
00309 if (proxy && *proxy != '%') {
00310 char *end;
00311 int port = strtol(proxy, &end, 0);
00312 if (!(end && *end == '\0')) {
00313 fprintf(stderr, _("error: %sport must be a number\n"),
00314 (u->scheme ? u->scheme : ""));
00315 return;
00316 }
00317 u->proxyp = port;
00318 }
00319 proxy = _free(proxy);
00320 }
00321
00322 }
00323
00324 return;
00325 }
00326
00327
00328
00331
00332 static struct urlstring {
00333
00334 const char * leadin;
00335 urltype ret;
00336 } urlstrings[] = {
00337 { "file://", URL_IS_PATH },
00338 { "ftp://", URL_IS_FTP },
00339 { "hkp://", URL_IS_HKP },
00340 { "http://", URL_IS_HTTP },
00341 { "https://", URL_IS_HTTPS },
00342 { "-", URL_IS_DASH },
00343 { NULL, URL_IS_UNKNOWN }
00344 };
00345
00346 urltype urlIsURL(const char * url)
00347 {
00348 struct urlstring *us;
00349
00350
00351 if (url && *url) {
00352 for (us = urlstrings; us->leadin != NULL; us++) {
00353 if (strncmp(url, us->leadin, strlen(us->leadin)))
00354 continue;
00355 return us->ret;
00356 }
00357 }
00358
00359
00360 return URL_IS_UNKNOWN;
00361 }
00362
00363
00364
00365 urltype urlPath(const char * url, const char ** pathp)
00366 {
00367 const char *path;
00368 int urltype;
00369
00370 path = url;
00371 urltype = urlIsURL(url);
00372
00373 switch (urltype) {
00374 case URL_IS_FTP:
00375 url += sizeof("ftp://") - 1;
00376 path = strchr(url, '/');
00377 if (path == NULL) path = url + strlen(url);
00378 break;
00379 case URL_IS_PATH:
00380 url += sizeof("file://") - 1;
00381 path = strchr(url, '/');
00382 if (path == NULL) path = url + strlen(url);
00383 break;
00384 case URL_IS_HKP:
00385 url += sizeof("hkp://") - 1;
00386 path = strchr(url, '/');
00387 if (path == NULL) path = url + strlen(url);
00388 break;
00389 case URL_IS_HTTP:
00390 url += sizeof("http://") - 1;
00391 path = strchr(url, '/');
00392 if (path == NULL) path = url + strlen(url);
00393 break;
00394 case URL_IS_HTTPS:
00395 url += sizeof("https://") - 1;
00396 path = strchr(url, '/');
00397 if (path == NULL) path = url + strlen(url);
00398 break;
00399 case URL_IS_UNKNOWN:
00400 if (path == NULL) path = "";
00401 break;
00402 case URL_IS_DASH:
00403 path = "";
00404 break;
00405 }
00406
00407 if (pathp)
00408
00409 *pathp = path;
00410
00411 return urltype;
00412 }
00413
00414
00415
00416
00417
00418
00419
00420
00421
00422
00423 int urlSplit(const char * url, urlinfo *uret)
00424 {
00425 urlinfo u;
00426 char *myurl;
00427 char *s, *se, *f, *fe;
00428
00429 if (uret == NULL)
00430 return -1;
00431 if ((u = urlNew("urlSplit")) == NULL)
00432 return -1;
00433
00434 if ((se = s = myurl = xstrdup(url)) == NULL) {
00435 u = urlFree(u, "urlSplit (error #1)");
00436 return -1;
00437 }
00438
00439 u->url = xstrdup(url);
00440 u->urltype = urlIsURL(url);
00441
00442 while (1) {
00443
00444 while (*se && *se != '/') se++;
00445
00446 if (*se && (se != s) && se[-1] == ':' && se[0] == '/' && se[1] == '/') {
00447 se[-1] = '\0';
00448 u->scheme = xstrdup(s);
00449 se += 2;
00450 s = se++;
00451 continue;
00452 }
00453
00454
00455 *se = '\0';
00456 break;
00457 }
00458
00459
00460 fe = f = s;
00461 while (*fe && *fe != '@') fe++;
00462
00463 if (*fe == '@') {
00464 s = fe + 1;
00465 *fe = '\0';
00466
00467 while (fe > f && *fe != ':') fe--;
00468 if (*fe == ':') {
00469 *fe++ = '\0';
00470 u->password = xstrdup(fe);
00471 }
00472 u->user = xstrdup(f);
00473 }
00474
00475
00476
00477 fe = f = s;
00478 if (strchr(fe, '[') && strchr(fe, ']'))
00479 {
00480 fe = strchr(f, ']');
00481 *f++ = '\0';
00482 *fe++ = '\0';
00483 }
00484 while (*fe && *fe != ':') fe++;
00485 if (*fe == ':') {
00486 *fe++ = '\0';
00487 u->portstr = xstrdup(fe);
00488 if (u->portstr != NULL && u->portstr[0] != '\0') {
00489 char *end;
00490 u->port = strtol(u->portstr, &end, 0);
00491 if (!(end && *end == '\0')) {
00492 rpmMessage(RPMMESS_ERROR, _("url port must be a number\n"));
00493 myurl = _free(myurl);
00494 u = urlFree(u, "urlSplit (error #3)");
00495 return -1;
00496 }
00497 }
00498 }
00499 u->host = xstrdup(f);
00500
00501 if (u->port < 0 && u->scheme != NULL) {
00502 struct servent *serv;
00503
00504
00505 serv = getservbyname(u->scheme, "tcp");
00506
00507 if (serv != NULL)
00508 u->port = ntohs(serv->s_port);
00509 else if (u->urltype == URL_IS_FTP)
00510 u->port = IPPORT_FTP;
00511 else if (u->urltype == URL_IS_HKP)
00512 u->port = IPPORT_PGPKEYSERVER;
00513 else if (u->urltype == URL_IS_HTTP)
00514 u->port = IPPORT_HTTP;
00515 else if (u->urltype == URL_IS_HTTPS)
00516 u->port = IPPORT_HTTPS;
00517 }
00518
00519 myurl = _free(myurl);
00520 if (uret) {
00521 *uret = u;
00522
00523 urlFind(uret, 0);
00524
00525 }
00526 return 0;
00527 }
00528
00529
00530
00531 int urlGetFile(const char * url, const char * dest)
00532 {
00533 int rc;
00534 FD_t sfd = NULL;
00535 FD_t tfd = NULL;
00536 const char * sfuPath = NULL;
00537 int urlType = urlPath(url, &sfuPath);
00538
00539 if (*sfuPath == '\0')
00540 return FTPERR_UNKNOWN;
00541
00542 sfd = Fopen(url, "r");
00543 if (sfd == NULL || Ferror(sfd)) {
00544 rpmMessage(RPMMESS_DEBUG, _("failed to open %s: %s\n"), url, Fstrerror(sfd));
00545 rc = FTPERR_UNKNOWN;
00546 goto exit;
00547 }
00548
00549 if (dest == NULL) {
00550 if ((dest = strrchr(sfuPath, '/')) != NULL)
00551 dest++;
00552 else
00553 dest = sfuPath;
00554 }
00555
00556 if (dest == NULL)
00557 return FTPERR_UNKNOWN;
00558
00559
00560 tfd = Fopen(dest, "w");
00561 if (_url_debug)
00562 fprintf(stderr, "*** urlGetFile sfd %p %s tfd %p %s\n", sfd, url, (tfd ? tfd : NULL), dest);
00563 if (tfd == NULL || Ferror(tfd)) {
00564 rpmMessage(RPMMESS_DEBUG, _("failed to create %s: %s\n"), dest, Fstrerror(tfd));
00565 rc = FTPERR_UNKNOWN;
00566 goto exit;
00567 }
00568
00569 switch (urlType) {
00570 case URL_IS_HTTPS:
00571 case URL_IS_HTTP:
00572 case URL_IS_HKP:
00573 case URL_IS_FTP:
00574 case URL_IS_PATH:
00575 case URL_IS_DASH:
00576 case URL_IS_UNKNOWN:
00577 if ((rc = ufdGetFile(sfd, tfd))) {
00578 (void) Unlink(dest);
00579
00580 (void) Fclose(sfd) ;
00581 }
00582 sfd = NULL;
00583 break;
00584 default:
00585 rc = FTPERR_UNKNOWN;
00586 break;
00587 }
00588
00589 exit:
00590 if (tfd)
00591 (void) Fclose(tfd);
00592 if (sfd)
00593 (void) Fclose(sfd);
00594
00595 return rc;
00596 }