42c0766c00
The list of required external deps is now confuse, libarchive and openssl. libxbps now includes a wrapper for proplib prefixed with xbps_ rather than prop_.
356 lines
8.4 KiB
C
356 lines
8.4 KiB
C
/*-
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* Copyright (c) 2008-2013 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 <stdio.h>
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#include <stdbool.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 <fcntl.h>
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#include <dirent.h>
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#include <pthread.h>
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#include "xbps_api_impl.h"
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static pthread_mutex_t cfg_mtx = PTHREAD_MUTEX_INITIALIZER;
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static bool cfg_vpkgs_init;
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static xbps_dictionary_t
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get_pkg_in_array(xbps_array_t array, const char *str, bool virtual)
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{
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xbps_object_t obj = NULL;
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xbps_object_iterator_t iter;
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const char *pkgver;
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char *dpkgn;
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bool found = false;
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iter = xbps_array_iterator(array);
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assert(iter);
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while ((obj = xbps_object_iterator_next(iter))) {
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if (virtual) {
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/*
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* Check if package pattern matches
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* any virtual package version in dictionary.
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*/
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if (xbps_pkgpattern_version(str))
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found = xbps_match_virtual_pkg_in_dict(obj, str, true);
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else
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found = xbps_match_virtual_pkg_in_dict(obj, str, false);
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if (found)
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break;
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} else if (xbps_pkgpattern_version(str)) {
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/* ,atch by pattern against pkgver */
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if (!xbps_dictionary_get_cstring_nocopy(obj,
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"pkgver", &pkgver))
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continue;
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if (xbps_pkgpattern_match(pkgver, str)) {
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found = true;
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break;
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}
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} else if (xbps_pkg_version(str)) {
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/* match by exact pkgver */
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if (!xbps_dictionary_get_cstring_nocopy(obj,
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"pkgver", &pkgver))
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continue;
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if (strcmp(str, pkgver) == 0) {
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found = true;
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break;
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}
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} else {
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/* match by pkgname */
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if (!xbps_dictionary_get_cstring_nocopy(obj,
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"pkgver", &pkgver))
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continue;
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dpkgn = xbps_pkg_name(pkgver);
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assert(dpkgn);
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if (strcmp(dpkgn, str) == 0) {
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free(dpkgn);
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found = true;
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break;
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}
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free(dpkgn);
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}
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}
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xbps_object_iterator_release(iter);
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return found ? obj : NULL;
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}
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xbps_dictionary_t HIDDEN
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xbps_find_pkg_in_array(xbps_array_t a, const char *s)
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{
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assert(xbps_object_type(a) == XBPS_TYPE_ARRAY);
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assert(s);
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return get_pkg_in_array(a, s, false);
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}
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xbps_dictionary_t HIDDEN
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xbps_find_virtualpkg_in_array(struct xbps_handle *x,
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xbps_array_t a,
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const char *s)
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{
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xbps_dictionary_t pkgd;
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const char *vpkg;
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bool bypattern = false;
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assert(x);
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assert(xbps_object_type(a) == XBPS_TYPE_ARRAY);
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assert(s);
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if (xbps_pkgpattern_version(s))
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bypattern = true;
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if ((vpkg = vpkg_user_conf(x, s, bypattern))) {
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if ((pkgd = get_pkg_in_array(a, vpkg, true)))
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return pkgd;
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}
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return get_pkg_in_array(a, s, true);
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}
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static xbps_dictionary_t
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match_pkg_by_pkgver(xbps_dictionary_t repod, const char *p)
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{
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xbps_dictionary_t d = NULL;
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const char *pkgver;
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char *pkgname;
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/* exact match by pkgver */
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if ((pkgname = xbps_pkg_name(p)) == NULL)
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return NULL;
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d = xbps_dictionary_get(repod, pkgname);
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if (d) {
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xbps_dictionary_get_cstring_nocopy(d, "pkgver", &pkgver);
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if (strcmp(pkgver, p))
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d = NULL;
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}
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free(pkgname);
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return d;
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}
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static xbps_dictionary_t
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match_pkg_by_pattern(xbps_dictionary_t repod, const char *p)
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{
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xbps_dictionary_t d = NULL;
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const char *pkgver;
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char *pkgname;
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/* match by pkgpattern in pkgver */
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if ((pkgname = xbps_pkgpattern_name(p)) == NULL) {
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if ((pkgname = xbps_pkg_name(p)))
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return match_pkg_by_pkgver(repod, p);
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return NULL;
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}
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d = xbps_dictionary_get(repod, pkgname);
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if (d) {
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xbps_dictionary_get_cstring_nocopy(d, "pkgver", &pkgver);
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assert(pkgver);
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if (!xbps_pkgpattern_match(pkgver, p))
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d = NULL;
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}
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free(pkgname);
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return d;
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}
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static void
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config_inject_vpkgs(struct xbps_handle *xh)
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{
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DIR *dirp;
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struct dirent *dp;
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char *ext, *vpkgdir;
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FILE *fp;
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if (strcmp(xh->rootdir, "/"))
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vpkgdir = xbps_xasprintf("%s/etc/xbps/virtualpkg.d",
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xh->rootdir);
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else
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vpkgdir = strdup("/etc/xbps/virtualpkg.d");
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if ((dirp = opendir(vpkgdir)) == NULL) {
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xbps_dbg_printf(xh, "cannot access to %s: %s\n",
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vpkgdir, strerror(errno));
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return;
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}
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while ((dp = readdir(dirp)) != NULL) {
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if ((strcmp(dp->d_name, "..") == 0) ||
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(strcmp(dp->d_name, ".") == 0))
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continue;
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/* only process .conf files, ignore something else */
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if ((ext = strrchr(dp->d_name, '.')) == NULL)
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continue;
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if (strcmp(ext, ".conf") == 0) {
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char *path;
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path = xbps_xasprintf("%s/%s", vpkgdir, dp->d_name);
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fp = fopen(path, "r");
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assert(fp);
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if (cfg_parse_fp(xh->cfg, fp) != 0) {
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xbps_error_printf("Failed to parse "
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"vpkg conf file %s:\n", dp->d_name);
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}
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fclose(fp);
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xbps_dbg_printf(xh, "Injected vpkgs from %s\n", path);
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free(path);
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}
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}
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closedir(dirp);
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free(vpkgdir);
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cfg_vpkgs_init = true;
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}
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const char HIDDEN *
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vpkg_user_conf(struct xbps_handle *xhp,
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const char *vpkg,
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bool bypattern)
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{
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const char *vpkgver, *pkg = NULL;
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char *vpkgname = NULL, *tmp;
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unsigned int i, j, cnt;
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if (xhp->cfg == NULL)
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return NULL;
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/* inject virtual packages from sysconfdir */
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pthread_mutex_lock(&cfg_mtx);
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if (!cfg_vpkgs_init)
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config_inject_vpkgs(xhp);
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pthread_mutex_unlock(&cfg_mtx);
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if ((cnt = cfg_size(xhp->cfg, "virtual-package")) == 0) {
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/* no virtual packages configured */
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return NULL;
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}
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for (i = 0; i < cnt; i++) {
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cfg_t *sec = cfg_getnsec(xhp->cfg, "virtual-package", i);
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for (j = 0; j < cfg_size(sec, "targets"); j++) {
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tmp = NULL;
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vpkgver = cfg_getnstr(sec, "targets", j);
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if (strchr(vpkgver, '_') == NULL) {
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tmp = xbps_xasprintf("%s_1", vpkgver);
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vpkgname = xbps_pkg_name(tmp);
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free(tmp);
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} else {
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vpkgname = xbps_pkg_name(vpkgver);
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}
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if (vpkgname == NULL)
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break;
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if (bypattern) {
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if (!xbps_pkgpattern_match(vpkgver, vpkg)) {
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free(vpkgname);
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continue;
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}
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} else {
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if (strcmp(vpkg, vpkgname)) {
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free(vpkgname);
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continue;
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}
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}
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/* virtual package matched in conffile */
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pkg = cfg_title(sec);
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xbps_dbg_printf(xhp,
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"matched vpkg in conf `%s' for %s\n",
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pkg, vpkg);
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free(vpkgname);
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break;
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}
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}
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return pkg;
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}
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xbps_dictionary_t
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xbps_find_virtualpkg_in_dict(struct xbps_handle *xhp,
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xbps_dictionary_t d,
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const char *pkg)
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{
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xbps_object_t obj;
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xbps_object_iterator_t iter;
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xbps_dictionary_t pkgd = NULL;
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const char *vpkg;
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bool found = false, bypattern = false;
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if (xbps_pkgpattern_version(pkg))
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bypattern = true;
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/* Try matching vpkg from configuration files */
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vpkg = vpkg_user_conf(xhp, pkg, bypattern);
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if (vpkg != NULL) {
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if (xbps_pkgpattern_version(vpkg))
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pkgd = match_pkg_by_pattern(d, vpkg);
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else if (xbps_pkg_version(vpkg))
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pkgd = match_pkg_by_pkgver(d, vpkg);
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else
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pkgd = xbps_dictionary_get(d, vpkg);
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if (pkgd) {
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found = true;
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goto out;
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}
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}
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/* ... otherwise match the first one in dictionary */
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iter = xbps_dictionary_iterator(d);
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assert(iter);
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while ((obj = xbps_object_iterator_next(iter))) {
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pkgd = xbps_dictionary_get_keysym(d, obj);
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if (xbps_match_virtual_pkg_in_dict(pkgd, pkg, bypattern)) {
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found = true;
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break;
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}
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}
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xbps_object_iterator_release(iter);
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out:
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if (found)
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return pkgd;
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return NULL;
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}
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xbps_dictionary_t
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xbps_find_pkg_in_dict(xbps_dictionary_t d, const char *pkg)
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{
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xbps_dictionary_t pkgd = NULL;
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if (xbps_pkgpattern_version(pkg))
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pkgd = match_pkg_by_pattern(d, pkg);
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else if (xbps_pkg_version(pkg))
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pkgd = match_pkg_by_pkgver(d, pkg);
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else
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pkgd = xbps_dictionary_get(d, pkg);
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return pkgd;
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}
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