/*- * Copyright (c) 2009-2011 Juan Romero Pardines. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include "xbps_api_impl.h" #include "fetch.h" /** * @file lib/repository_sync_index.c * @brief Repository package index synchronization routines * @defgroup reposync Repository package index synchronization functions * * Functions to manipulate repository package index plist file * synchronizations. */ char HIDDEN * xbps_get_remote_repo_string(const char *uri) { struct url *url; size_t i; char *p; if ((url = fetchParseURL(uri)) == NULL) return NULL; /* * Replace '.' ':' and '/' characters with underscores, so that * provided URL: * * http://nocturno.local:8080/blah/xbps/binpkg-repo * * becomes: * * http___nocturno_local_8080_blah_xbps_binpkg_repo * */ if (url->port != 0) p = xbps_xasprintf("%s://%s:%u%s", url->scheme, url->host, url->port, url->doc); else p = xbps_xasprintf("%s://%s%s", url->scheme, url->host, url->doc); fetchFreeURL(url); if (p == NULL) return NULL; for (i = 0; i < strlen(p); i++) { if (p[i] == '.' || p[i] == '/' || p[i] == ':') p[i] = '_'; } return p; } /* * Returns -1 on error, 0 if transfer was not necessary (local/remote * size and/or mtime match) and 1 if downloaded successfully. */ int xbps_repository_sync_pkg_index(const char *uri) { prop_dictionary_t tmpd; struct xbps_handle *xhp; struct url *url = NULL; struct utsname un; struct stat st; const char *fetch_outputdir; char *rpidx, *lrepodir, *uri_fixedp; char *metadir, *tmp_metafile, *lrepofile; int sverrno, rv = 0; bool only_sync = false; assert(uri != NULL); tmp_metafile = rpidx = lrepodir = lrepofile = NULL; xhp = xbps_handle_get(); /* ignore non remote repositories */ if (!xbps_check_is_repository_uri_remote(uri)) return 0; if (uname(&un) == -1) return -1; if ((url = fetchParseURL(uri)) == NULL) return -1; uri_fixedp = xbps_get_remote_repo_string(uri); if (uri_fixedp == NULL) { fetchFreeURL(url); return -1; } /* * Create metadir if necessary. */ metadir = xbps_xasprintf("%s/%s", prop_string_cstring_nocopy(xhp->rootdir), XBPS_META_PATH); if (metadir == NULL) { rv = -1; goto out; } if ((rv = xbps_mkpath(metadir, 0755)) == -1) { xbps_dbg_printf("[rsyncidx] failed to create metadir `%s': " "%s\n", metadir, strerror(errno)); goto out; } /* * Remote repository pkg-index.plist full URL. */ rpidx = xbps_xasprintf("%s/%s/%s", uri, un.machine, XBPS_PKGINDEX); if (rpidx == NULL) { rv = -1; goto out; } /* * Save temporary file in XBPS_META_PATH, and rename if it * was downloaded successfully. */ tmp_metafile = xbps_xasprintf("%s/%s", metadir, XBPS_PKGINDEX); if (tmp_metafile == NULL) { rv = -1; goto out; } /* * Full path to repository directory to store the pkg-index.plist * file. */ lrepodir = xbps_xasprintf("%s/%s/%s", prop_string_cstring_nocopy(xhp->rootdir), XBPS_META_PATH, uri_fixedp); if (lrepodir == NULL) { rv = -1; goto out; } /* * If directory exists probably the pkg-index.plist file * was downloaded previously... */ rv = stat(lrepodir, &st); if (rv == 0 && S_ISDIR(st.st_mode)) { only_sync = true; fetch_outputdir = lrepodir; } else fetch_outputdir = metadir; if (xhp->xbps_transaction_cb) { xhp->xtcd->state = XBPS_TRANS_STATE_REPOSYNC; xhp->xtcd->repourl = uri; xhp->xbps_transaction_cb(xhp->xtcd); } /* * Download pkg-index.plist file from repository. */ if (xbps_fetch_file(rpidx, fetch_outputdir, true, NULL) == -1) { sverrno = errno; if (fetchLastErrCode) rv = fetchLastErrCode; else rv = sverrno; if (xhp->xbps_transaction_err_cb) { xhp->xtcd->state = XBPS_TRANS_STATE_REPOSYNC; xhp->xtcd->repourl = uri; xhp->xtcd->err = rv; xhp->xbps_transaction_err_cb(xhp->xtcd); } rv = -1; errno = sverrno; goto out; } if (only_sync) goto out; /* * Make sure that downloaded plist file can be internalized, i.e * some HTTP servers don't return proper errors and sometimes * you get an HTML ASCII file :-) */ tmpd = prop_dictionary_internalize_from_zfile(tmp_metafile); if (tmpd == NULL) { xbps_error_printf("[rsyncidx] downloaded pkg-index.plist " "file cannot be read! removing...\n"); (void)unlink(tmp_metafile); rv = -1; goto out; } prop_object_release(tmpd); lrepofile = xbps_xasprintf("%s/%s", lrepodir, XBPS_PKGINDEX); if (lrepofile == NULL) { rv = -1; goto out; } /* * Create local repodir to store pkg-index.plist file. */ if ((rv = xbps_mkpath(lrepodir, 0755)) == -1) { xbps_dbg_printf("[rsyncidx] failed to create repodir " "`%s': %s\n", lrepodir, strerror(errno)); goto out; } /* * Rename to destination file now it has been fetched successfully. */ if ((rv = rename(tmp_metafile, lrepofile)) == -1) xbps_dbg_printf("[rsyncidx] failed to rename `%s' to " "`%s': %s\n", tmp_metafile, lrepofile, strerror(errno)); else rv = 1; /* success */ out: if (rpidx) free(rpidx); if (lrepodir) free(lrepodir); if (metadir) free(metadir); if (tmp_metafile) free(tmp_metafile); if (lrepofile) free(lrepofile); if (url) fetchFreeURL(url); if (uri_fixedp) free(uri_fixedp); return rv; }