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
00027
00028 int _url_iobuf_size = RPMURL_IOBUF_SIZE;
00029
00032
00033 int _url_debug = 0;
00034
00035 #define URLDBG(_f, _m, _x) if ((_url_debug | (_f)) & (_m)) fprintf _x
00036
00037 #define URLDBGIO(_f, _x) URLDBG((_f), RPMURL_DEBUG_IO, _x)
00038 #define URLDBGREFS(_f, _x) URLDBG((_f), RPMURL_DEBUG_REFS, _x)
00039
00042
00043
00044
00045 urlinfo *_url_cache = NULL;
00046
00047
00050
00051
00052 int _url_count = 0;
00053
00054
00060 static inline void *
00061 _free( const void * p)
00062 {
00063 if (p != NULL) free((void *)p);
00064 return NULL;
00065 }
00066
00067 urlinfo XurlLink(urlinfo u, const char *msg, const char *file, unsigned line)
00068 {
00069 URLSANE(u);
00070 u->nrefs++;
00071
00072 URLDBGREFS(0, (stderr, "--> url %p ++ %d %s at %s:%u\n", u, u->nrefs, msg, file, line));
00073
00074 return u;
00075 }
00076
00077 urlinfo XurlNew(const char *msg, const char *file, unsigned line)
00078 {
00079 urlinfo u;
00080 if ((u = xmalloc(sizeof(*u))) == NULL)
00081 return NULL;
00082 memset(u, 0, sizeof(*u));
00083 u->proxyp = -1;
00084 u->port = -1;
00085 u->urltype = URL_IS_UNKNOWN;
00086 u->ctrl = NULL;
00087 u->data = NULL;
00088 u->bufAlloced = 0;
00089 u->buf = NULL;
00090 u->httpHasRange = 1;
00091 u->httpVersion = 0;
00092 u->nrefs = 0;
00093 u->magic = URLMAGIC;
00094 return XurlLink(u, msg, file, line);
00095 }
00096
00097 urlinfo XurlFree(urlinfo u, const char *msg, const char *file, unsigned line)
00098 {
00099 int xx;
00100
00101 URLSANE(u);
00102 URLDBGREFS(0, (stderr, "--> url %p -- %d %s at %s:%u\n", u, u->nrefs, msg, file, line));
00103 if (--u->nrefs > 0)
00104 return u;
00105 if (u->ctrl) {
00106 #ifndef NOTYET
00107 void * fp = fdGetFp(u->ctrl);
00108
00109 if (fp) {
00110 fdPush(u->ctrl, fpio, fp, -1);
00111 (void) Fclose(u->ctrl);
00112 } else if (fdio->_fileno(u->ctrl) >= 0)
00113 xx = fdio->close(u->ctrl);
00114
00115 #else
00116 (void) Fclose(u->ctrl);
00117 #endif
00118
00119 u->ctrl = fdio->_fdderef(u->ctrl, "persist ctrl (urlFree)", file, line);
00120
00121 if (u->ctrl)
00122 fprintf(stderr, _("warning: u %p ctrl %p nrefs != 0 (%s %s)\n"),
00123 u, u->ctrl, (u->host ? u->host : ""),
00124 (u->service ? u->service : ""));
00125
00126 }
00127 if (u->data) {
00128 #ifndef NOTYET
00129 void * fp = fdGetFp(u->data);
00130 if (fp) {
00131 fdPush(u->data, fpio, fp, -1);
00132 (void) Fclose(u->data);
00133 } else if (fdio->_fileno(u->data) >= 0)
00134 xx = fdio->close(u->data);
00135 #else
00136 (void) Fclose(u->ctrl);
00137 #endif
00138
00139 u->data = fdio->_fdderef(u->data, "persist data (urlFree)", file, line);
00140
00141 if (u->data)
00142 fprintf(stderr, _("warning: u %p data %p nrefs != 0 (%s %s)\n"),
00143 u, u->data, (u->host ? u->host : ""),
00144 (u->service ? u->service : ""));
00145
00146 }
00147 u->buf = _free(u->buf);
00148 u->url = _free(u->url);
00149 u->service = _free((void *)u->service);
00150 u->user = _free((void *)u->user);
00151 u->password = _free((void *)u->password);
00152 u->host = _free((void *)u->host);
00153 u->portstr = _free((void *)u->portstr);
00154 u->proxyu = _free((void *)u->proxyu);
00155 u->proxyh = _free((void *)u->proxyh);
00156
00157 u = _free(u);
00158 return NULL;
00159 }
00160
00161
00162 void urlFreeCache(void)
00163 {
00164 if (_url_cache) {
00165 int i;
00166 for (i = 0; i < _url_count; i++) {
00167 if (_url_cache[i] == NULL) continue;
00168 _url_cache[i] = urlFree(_url_cache[i], "_url_cache");
00169 if (_url_cache[i])
00170 fprintf(stderr,
00171 _("warning: _url_cache[%d] %p nrefs(%d) != 1 (%s %s)\n"),
00172 i, _url_cache[i], _url_cache[i]->nrefs,
00173 (_url_cache[i]->host ? _url_cache[i]->host : ""),
00174 (_url_cache[i]->service ? _url_cache[i]->service : ""));
00175 }
00176 }
00177 _url_cache = _free(_url_cache);
00178 _url_count = 0;
00179 }
00180
00181
00182 static int urlStrcmp( const char * str1, const char * str2)
00183
00184 {
00185 if (str1)
00186 if (str2)
00187 return strcmp(str1, str2);
00188 if (str1 != str2)
00189 return -1;
00190 return 0;
00191 }
00192
00193
00194
00195 static void urlFind( urlinfo * uret, int mustAsk)
00196
00197
00198 {
00199 urlinfo u;
00200 int ucx;
00201 int i = 0;
00202
00203 if (uret == NULL)
00204 return;
00205
00206 u = *uret;
00207 URLSANE(u);
00208
00209 ucx = -1;
00210 for (i = 0; i < _url_count; i++) {
00211 urlinfo ou = NULL;
00212 if (_url_cache == NULL || (ou = _url_cache[i]) == NULL) {
00213 if (ucx < 0)
00214 ucx = i;
00215 continue;
00216 }
00217
00218
00219
00220
00221
00222 if (urlStrcmp(u->service, ou->service))
00223 continue;
00224 if (urlStrcmp(u->host, ou->host))
00225 continue;
00226 if (urlStrcmp(u->user, ou->user))
00227 continue;
00228 if (urlStrcmp(u->portstr, ou->portstr))
00229 continue;
00230 break;
00231 }
00232
00233 if (i == _url_count) {
00234 if (ucx < 0) {
00235 ucx = _url_count++;
00236 _url_cache = xrealloc(_url_cache, sizeof(*_url_cache) * _url_count);
00237 }
00238 if (_url_cache)
00239 _url_cache[ucx] = urlLink(u, "_url_cache (miss)");
00240 u = urlFree(u, "urlSplit (urlFind miss)");
00241 } else {
00242 ucx = i;
00243 u = urlFree(u, "urlSplit (urlFind hit)");
00244 }
00245
00246
00247
00248 if (_url_cache)
00249 u = urlLink(_url_cache[ucx], "_url_cache");
00250 *uret = u;
00251
00252 u = urlFree(u, "_url_cache (urlFind)");
00253
00254
00255
00256 u->proxyp = -1;
00257 u->proxyh = _free(u->proxyh);
00258
00259
00260 if (u->urltype == URL_IS_FTP) {
00261
00262 if (mustAsk || (u->user != NULL && u->password == NULL)) {
00263 const char * host = (u->host ? u->host : "");
00264 const char * user = (u->user ? u->user : "");
00265 char * prompt;
00266 prompt = alloca(strlen(host) + strlen(user) + 256);
00267 sprintf(prompt, _("Password for %s@%s: "), user, host);
00268 u->password = _free(u->password);
00269
00270 u->password = getpass(prompt) ;
00271
00272 if (u->password)
00273 u->password = xstrdup(u->password);
00274 }
00275
00276 if (u->proxyh == NULL) {
00277 const char *proxy = rpmExpand("%{_ftpproxy}", NULL);
00278 if (proxy && *proxy != '%') {
00279 const char * host = (u->host ? u->host : "");
00280 const char *uu = (u->user ? u->user : "anonymous");
00281 char *nu = xmalloc(strlen(uu) + sizeof("@") + strlen(host));
(void) stpcpy( stpcpy( stpcpy(nu, uu), "@"), host);
u->proxyu = nu;
u->proxyh = xstrdup(proxy);
}
proxy = _free(proxy);
}
if (u->proxyp < 0) {
const char *proxy = rpmExpand("%{_ftpport}", NULL);
00282 if (proxy && *proxy != '%') {
00283 char *end;
00284 int port = strtol(proxy, &end, 0);
00285 if (!(end && *end == '\0')) {
00286 fprintf(stderr, _("error: %sport must be a number\n"),
00287 (u->service ? u->service : ""));
00288 return;
00289 }
00290 u->proxyp = port;
00291 }
00292 proxy = _free(proxy);
00293 }
00294 }
00295
00296
00297 if (u->urltype == URL_IS_HTTP) {
00298
00299 if (u->proxyh == NULL) {
00300 const char *proxy = rpmExpand("%{_httpproxy}", NULL);
00301 if (proxy && *proxy != '%')
00302 u->proxyh = xstrdup(proxy);
00303 proxy = _free(proxy);
00304 }
00305
00306 if (u->proxyp < 0) {
00307 const char *proxy = rpmExpand("%{_httpport}", NULL);
00308 if (proxy && *proxy != '%') {
00309 char *end;
00310 int port = strtol(proxy, &end, 0);
00311 if (!(end && *end == '\0')) {
00312 fprintf(stderr, _("error: %sport must be a number\n"),
00313 (u->service ? u->service : ""));
00314 return;
00315 }
00316 u->proxyp = port;
00317 }
00318 proxy = _free(proxy);
00319 }
00320
00321 }
00322
00323 return;
00324 }
00325
00326
00327
00330
00331 static struct urlstring {
00332
00333 const char * leadin;
00334 urltype ret;
00335 } urlstrings[] = {
00336 { "file://", URL_IS_PATH },
00337 { "ftp://", URL_IS_FTP },
00338 { "http://", URL_IS_HTTP },
00339 { "-", URL_IS_DASH },
00340 { NULL, URL_IS_UNKNOWN }
00341 };
00342
00343 urltype urlIsURL(const char * url)
00344 {
00345 struct urlstring *us;
00346
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
00357 return URL_IS_UNKNOWN;
00358 }
00359
00360
00361
00362 urltype urlPath(const char * url, const char ** pathp)
00363 {
00364 const char *path;
00365 int urltype;
00366
00367 path = url;
00368 urltype = urlIsURL(url);
00369
00370 switch (urltype) {
00371 case URL_IS_FTP:
00372 url += sizeof("ftp://") - 1;
00373 path = strchr(url, '/');
00374 if (path == NULL) path = url + strlen(url);
00375 break;
00376 case URL_IS_HTTP:
00377 case URL_IS_PATH:
00378 url += sizeof("file://") - 1;
00379 path = strchr(url, '/');
00380 if (path == NULL) path = url + strlen(url);
00381 break;
00382 case URL_IS_UNKNOWN:
00383 if (path == NULL) path = "";
00384 break;
00385 case URL_IS_DASH:
00386 path = "";
00387 break;
00388 }
00389
00390 if (pathp)
00391
00392 *pathp = path;
00393
00394 return urltype;
00395 }
00396
00397
00398
00399
00400
00401
00402
00403
00404 int urlSplit(const char * url, urlinfo *uret)
00405 {
00406 urlinfo u;
00407 char *myurl;
00408 char *s, *se, *f, *fe;
00409
00410 if (uret == NULL)
00411 return -1;
00412 if ((u = urlNew("urlSplit")) == NULL)
00413 return -1;
00414
00415 if ((se = s = myurl = xstrdup(url)) == NULL) {
00416 u = urlFree(u, "urlSplit (error #1)");
00417 return -1;
00418 }
00419
00420 u->url = xstrdup(url);
00421 u->urltype = urlIsURL(url);
00422
00423 while (1) {
00424
00425 while (*se && *se != '/') se++;
00426
00427 if (*se && (se != s) && se[-1] == ':' && se[0] == '/' && se[1] == '/') {
00428 se[-1] = '\0';
00429 u->service = xstrdup(s);
00430 se += 2;
00431 s = se++;
00432 continue;
00433 }
00434
00435
00436 *se = '\0';
00437 break;
00438 }
00439
00440
00441 fe = f = s;
00442 while (*fe && *fe != '@') fe++;
00443
00444 if (*fe == '@') {
00445 s = fe + 1;
00446 *fe = '\0';
00447
00448 while (fe > f && *fe != ':') fe--;
00449 if (*fe == ':') {
00450 *fe++ = '\0';
00451 u->password = xstrdup(fe);
00452 }
00453 u->user = xstrdup(f);
00454 }
00455
00456
00457
00458 fe = f = s;
00459 while (*fe && *fe != ':') fe++;
00460 if (*fe == ':') {
00461 *fe++ = '\0';
00462 u->portstr = xstrdup(fe);
00463 if (u->portstr != NULL && u->portstr[0] != '\0') {
00464 char *end;
00465 u->port = strtol(u->portstr, &end, 0);
00466 if (!(end && *end == '\0')) {
00467 rpmMessage(RPMMESS_ERROR, _("url port must be a number\n"));
00468 myurl = _free(myurl);
00469 u = urlFree(u, "urlSplit (error #3)");
00470 return -1;
00471 }
00472 }
00473 }
00474 u->host = xstrdup(f);
00475
00476 if (u->port < 0 && u->service != NULL) {
00477 struct servent *serv;
00478
00479 serv = getservbyname(u->service, "tcp");
00480
00481 if (serv != NULL)
00482 u->port = ntohs(serv->s_port);
00483 else if (u->urltype == URL_IS_FTP)
00484 u->port = IPPORT_FTP;
00485 else if (u->urltype == URL_IS_HTTP)
00486 u->port = IPPORT_HTTP;
00487 }
00488
00489 myurl = _free(myurl);
00490 if (uret) {
00491 *uret = u;
00492
00493 urlFind(uret, 0);
00494
00495 }
00496 return 0;
00497 }
00498
00499
00500
00501 int urlGetFile(const char * url, const char * dest)
00502 {
00503 int rc;
00504 FD_t sfd = NULL;
00505 FD_t tfd = NULL;
00506 const char * sfuPath = NULL;
00507 int urlType = urlPath(url, &sfuPath);
00508
00509 if (*sfuPath == '\0')
00510 return FTPERR_UNKNOWN;
00511
00512 sfd = Fopen(url, "r.ufdio");
00513 if (sfd == NULL || Ferror(sfd)) {
00514 rpmMessage(RPMMESS_DEBUG, _("failed to open %s: %s\n"), url, Fstrerror(sfd));
00515 rc = FTPERR_UNKNOWN;
00516 goto exit;
00517 }
00518
00519 if (dest == NULL) {
00520 if ((dest = strrchr(sfuPath, '/')) != NULL)
00521 dest++;
00522 else
00523 dest = sfuPath;
00524 }
00525
00526 if (dest == NULL)
00527 return FTPERR_UNKNOWN;
00528
00529 tfd = Fopen(dest, "w.ufdio");
00530 if (_url_debug)
00531 fprintf(stderr, "*** urlGetFile sfd %p %s tfd %p %s\n", sfd, url, (tfd ? tfd : NULL), dest);
00532 if (tfd == NULL || Ferror(tfd)) {
00533
00534 rpmMessage(RPMMESS_DEBUG, _("failed to create %s: %s\n"), dest, Fstrerror(tfd));
00535 rc = FTPERR_UNKNOWN;
00536 goto exit;
00537 }
00538
00539 switch (urlType) {
00540 case URL_IS_FTP:
00541 case URL_IS_HTTP:
00542 case URL_IS_PATH:
00543 case URL_IS_DASH:
00544 case URL_IS_UNKNOWN:
00545 if ((rc = ufdGetFile(sfd, tfd))) {
00546 (void) Unlink(dest);
00547
00548 (void) Fclose(sfd) ;
00549 }
00550 sfd = NULL;
00551 break;
00552 default:
00553 rc = FTPERR_UNKNOWN;
00554 break;
00555 }
00556
00557 exit:
00558 if (tfd)
00559 (void) Fclose(tfd);
00560 if (sfd)
00561 (void) Fclose(sfd);
00562
00563 return rc;
00564 }
00565