236 lines
6.3 KiB
C
236 lines
6.3 KiB
C
/*-
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* Copyright (c) 2009 Juan Romero Pardines.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/utsname.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <xbps_api.h>
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#include "fetch.h"
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static int mkpath(char *, mode_t);
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char SYMEXPORT *
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xbps_get_remote_repo_string(const char *uri)
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{
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struct url *url;
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size_t i;
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char *p;
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if ((url = fetchParseURL(uri)) == NULL)
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return NULL;
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/*
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* Replace dots and slashes with underscores, so that
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* provided URL:
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*
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* www.foo.org/blah/xbps/binpkg-repo
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*
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* becomes:
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*
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* www_foo_org_blah_xbps_binpkg_repo
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*
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*/
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p = xbps_xasprintf("%s%s", url->host, url->doc);
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fetchFreeURL(url);
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if (p == NULL)
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return NULL;
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for (i = 0; i < strlen(p); i++) {
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if (p[i] == '.' || p[i] == '/')
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p[i] = '_';
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}
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return p;
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}
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int SYMEXPORT
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xbps_sync_repository_pkg_index(const char *uri)
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{
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struct url *url;
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struct utsname un;
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char *rpidx, *dir, *lrepodir, *uri_fixedp = NULL;
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int rv = 0;
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if (uname(&un) == -1)
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return errno;
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if ((url = fetchParseURL(uri)) == NULL)
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return errno;
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uri_fixedp = xbps_get_remote_repo_string(uri);
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if (uri_fixedp == NULL) {
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fetchFreeURL(url);
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return errno;
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}
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/*
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* Create local arch repodir:
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*
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* <rootdir>/var/db/xbps/repo/<url_path_blah>/<arch>
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*/
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lrepodir = xbps_xasprintf("%s/%s/repo/%s/%s",
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xbps_get_rootdir(), XBPS_META_PATH, uri_fixedp, un.machine);
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if (lrepodir == NULL) {
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fetchFreeURL(url);
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free(uri_fixedp);
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return errno;
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}
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if (mkpath(lrepodir, 0755) == -1) {
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free(lrepodir);
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free(uri_fixedp);
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fetchFreeURL(url);
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return errno;
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}
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/*
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* Create local noarch repodir:
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*
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* <rootdir>/var/db/xbps/repo/<url_path_blah>/noarch
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*/
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dir = xbps_xasprintf("%s/%s/repo/%s/noarch",
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xbps_get_rootdir(), XBPS_META_PATH, uri_fixedp);
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free(uri_fixedp);
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fetchFreeURL(url);
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if (dir == NULL) {
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free(lrepodir);
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return errno;
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}
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if (mkpath(dir, 0755) == -1) {
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free(dir);
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free(lrepodir);
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return errno;
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}
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free(dir);
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/*
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* Download pkg-index.plist file from repository.
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*/
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rpidx = xbps_xasprintf("%s/%s/%s", uri, un.machine, XBPS_PKGINDEX);
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if (rpidx == NULL) {
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free(lrepodir);
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return errno;
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}
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rv = xbps_fetch_file(rpidx, lrepodir);
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free(rpidx);
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free(lrepodir);
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return rv;
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}
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/*
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* The following is a modified function from NetBSD's src/bin/mkdir/mkdir.c
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*/
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/*
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* Copyright (c) 1983, 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* mkpath -- create directories.
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* path - path
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* mode - file mode of terminal directory
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*/
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static int
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mkpath(char *path, mode_t mode)
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{
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struct stat sb;
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char *slash = path;
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int done = 0, rv;
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mode_t dir_mode;
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/*
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* The default file mode is a=rwx (0777) with selected permissions
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* removed in accordance with the file mode creation mask. For
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* intermediate path name components, the mode is the default modified
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* by u+wx so that the subdirectories can always be created.
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*/
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if (mode == 0)
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mode = (S_IRWXU | S_IRWXG | S_IRWXO) & ~umask(0);
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dir_mode = mode | S_IWUSR | S_IXUSR;
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for (;;) {
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slash += strspn(slash, "/");
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slash += strcspn(slash, "/");
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done = (*slash == '\0');
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*slash = '\0';
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rv = mkdir(path, done ? mode : dir_mode);
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if (rv < 0) {
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/*
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* Can't create; path exists or no perms.
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* stat() path to determine what's there now.
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*/
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int sverrno;
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sverrno = errno;
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if (stat(path, &sb) < 0) {
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/* Not there; use mkdir()s error */
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errno = sverrno;
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return -1;
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}
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if (!S_ISDIR(sb.st_mode)) {
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/* Is there, but isn't a directory */
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errno = ENOTDIR;
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return -1;
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}
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}
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if (done)
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break;
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*slash = '/';
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}
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return 0;
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}
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