369 lines
9.3 KiB
C
369 lines
9.3 KiB
C
/*-
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* Copyright (c) 2011-2013 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 <sys/utsname.h>
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#include <sys/types.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 <stdarg.h>
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#include <dirent.h>
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#include "xbps_api_impl.h"
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#ifdef __clang__
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#pragma clang diagnostic ignored "-Wformat-nonliteral"
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#endif
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/**
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* @file lib/initend.c
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* @brief Initialization and finalization routines
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* @defgroup initend Initialization and finalization functions
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*
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* Use these functions to initialize some parameters before start
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* using libxbps and finalize usage to release resources at the end.
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*/
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static char *
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set_cachedir(struct xbps_handle *xh)
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{
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if (xh->cachedir[0] == '/') {
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/* full path */
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return strdup(xh->cachedir);
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} else {
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/* relative to rootdir */
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if (strcmp(xh->rootdir, "/") == 0)
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return xbps_xasprintf("/%s", xh->cachedir);
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else
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return xbps_xasprintf("%s/%s", xh->rootdir,
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xh->cachedir);
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}
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}
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static char *
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set_metadir(struct xbps_handle *xh)
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{
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if (xh->metadir == NULL) {
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if (strcmp(xh->rootdir, "/") == 0)
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return xbps_xasprintf("/%s", XBPS_META_PATH);
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else
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return xbps_xasprintf("%s/%s", xh->rootdir, XBPS_META_PATH);
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} else {
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return strdup(xh->metadir);
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}
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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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free(path);
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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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}
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}
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closedir(dirp);
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free(vpkgdir);
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}
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static int
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cb_validate_virtual(cfg_t *cfg, cfg_opt_t *opt)
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{
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unsigned int i;
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for (i = 0; i < cfg_size(cfg, "virtual-package"); i++) {
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cfg_t *sec = cfg_opt_getnsec(opt, i);
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if (cfg_getstr(sec, "targets") == 0) {
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cfg_error(cfg, "targets must be set for "
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"virtual-package %s", cfg_title(sec));
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return -1;
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}
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}
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return 0;
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}
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int
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xbps_init(struct xbps_handle *xhp)
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{
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cfg_opt_t vpkg_opts[] = {
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CFG_STR_LIST(__UNCONST("targets"), NULL, CFGF_NONE),
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CFG_END()
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};
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cfg_opt_t opts[] = {
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/* Defaults if not set in configuration file */
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CFG_STR(__UNCONST("rootdir"), __UNCONST("/"), CFGF_NONE),
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CFG_STR(__UNCONST("cachedir"),
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__UNCONST(XBPS_CACHE_PATH), CFGF_NONE),
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CFG_INT(__UNCONST("FetchCacheConnections"),
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XBPS_FETCH_CACHECONN, CFGF_NONE),
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CFG_INT(__UNCONST("FetchCacheConnectionsPerHost"),
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XBPS_FETCH_CACHECONN_HOST, CFGF_NONE),
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CFG_INT(__UNCONST("FetchTimeoutConnection"),
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XBPS_FETCH_TIMEOUT, CFGF_NONE),
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CFG_BOOL(__UNCONST("syslog"), true, CFGF_NONE),
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CFG_STR_LIST(__UNCONST("repositories"), NULL, CFGF_MULTI),
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CFG_STR_LIST(__UNCONST("PackagesOnHold"), NULL, CFGF_MULTI),
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CFG_SEC(__UNCONST("virtual-package"),
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vpkg_opts, CFGF_MULTI|CFGF_TITLE),
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CFG_FUNC(__UNCONST("include"), &cfg_include),
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CFG_END()
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};
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struct utsname un;
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int rv, cc, cch;
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bool syslog_enabled = false;
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char *tarch;
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assert(xhp != NULL);
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if (xhp->initialized)
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return 0;
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if (xhp->conffile == NULL)
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xhp->conffile = XBPS_CONF_DEF;
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/* parse configuration file */
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xhp->cfg = cfg_init(opts, CFGF_NOCASE);
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cfg_set_validate_func(xhp->cfg, "virtual-package", &cb_validate_virtual);
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if ((rv = cfg_parse(xhp->cfg, xhp->conffile)) != CFG_SUCCESS) {
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if (rv == CFG_FILE_ERROR) {
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/*
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* Don't error out if config file not found.
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* If a default repository is set, use it; otherwise
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* use defaults (no repos and no virtual packages).
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*/
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if (errno != ENOENT)
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return rv;
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xhp->conffile = NULL;
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if (xhp->repository) {
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char *buf;
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buf = xbps_xasprintf("repositories = { %s }",
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xhp->repository);
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if ((rv = cfg_parse_buf(xhp->cfg, buf)) != 0)
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return rv;
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free(buf);
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}
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} else if (rv == CFG_PARSE_ERROR) {
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/*
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* Parser error from configuration file.
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*/
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return ENOTSUP;
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}
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}
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xbps_dbg_printf(xhp, "Configuration file: %s\n",
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xhp->conffile ? xhp->conffile : "not found");
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/*
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* Respect client setting in struct xbps_handle for {root,cache}dir;
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* otherwise use values from configuration file or defaults if unset.
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*/
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if (xhp->rootdir == NULL) {
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if (xhp->cfg == NULL)
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xhp->rootdir = "/";
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else
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xhp->rootdir = cfg_getstr(xhp->cfg, "rootdir");
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} else {
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if (xhp->rootdir[0] != '/') {
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/* relative path */
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char *buf, path[PATH_MAX-1];
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if (getcwd(path, sizeof(path)) == NULL)
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return ENOTSUP;
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buf = xbps_xasprintf("%s/%s", path, xhp->rootdir);
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xhp->rootdir = buf;
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}
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}
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if (xhp->cachedir == NULL) {
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if (xhp->cfg == NULL)
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xhp->cachedir = XBPS_CACHE_PATH;
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else
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xhp->cachedir = cfg_getstr(xhp->cfg, "cachedir");
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}
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if ((xhp->cachedir_priv = set_cachedir(xhp)) == NULL)
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return ENOMEM;
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xhp->cachedir = xhp->cachedir_priv;
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if ((xhp->metadir_priv = set_metadir(xhp)) == NULL)
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return ENOMEM;
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xhp->metadir = xhp->metadir_priv;
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/* Override target arch if XBPS_TARGET_ARCH is set in the environment */
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tarch = getenv("XBPS_TARGET_ARCH");
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if (tarch != NULL) {
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xhp->un_machine = strdup(tarch);
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} else {
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uname(&un);
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xhp->un_machine = strdup(un.machine);
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assert(xhp->un_machine);
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}
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if (xhp->cfg == NULL) {
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xhp->flags |= XBPS_FLAG_SYSLOG;
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xhp->fetch_timeout = XBPS_FETCH_TIMEOUT;
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cc = XBPS_FETCH_CACHECONN;
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cch = XBPS_FETCH_CACHECONN_HOST;
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} else {
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if (cfg_getbool(xhp->cfg, "syslog"))
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xhp->flags |= XBPS_FLAG_SYSLOG;
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xhp->fetch_timeout = cfg_getint(xhp->cfg, "FetchTimeoutConnection");
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cc = cfg_getint(xhp->cfg, "FetchCacheConnections");
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cch = cfg_getint(xhp->cfg, "FetchCacheConnectionsPerHost");
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}
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if (xhp->flags & XBPS_FLAG_SYSLOG)
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syslog_enabled = true;
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/* Inject virtual packages from virtualpkg.d files */
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config_inject_vpkgs(xhp);
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xbps_fetch_set_cache_connection(cc, cch);
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xbps_dbg_printf(xhp, "Rootdir=%s\n", xhp->rootdir);
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xbps_dbg_printf(xhp, "Metadir=%s\n", xhp->metadir);
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xbps_dbg_printf(xhp, "Cachedir=%s\n", xhp->cachedir);
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xbps_dbg_printf(xhp, "FetchTimeout=%u\n", xhp->fetch_timeout);
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xbps_dbg_printf(xhp, "FetchCacheconn=%u\n", cc);
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xbps_dbg_printf(xhp, "FetchCacheconnHost=%u\n", cch);
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xbps_dbg_printf(xhp, "Syslog=%u\n", syslog_enabled);
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xbps_dbg_printf(xhp, "Architecture: %s\n", xhp->un_machine);
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xhp->initialized = true;
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return 0;
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}
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void
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xbps_end(struct xbps_handle *xhp)
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{
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assert(xhp);
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if (!xhp->initialized)
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return;
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xbps_pkgdb_release(xhp);
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xbps_rpool_release(xhp);
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xbps_fetch_unset_cache_connection();
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if (xhp->pkgdb_revdeps != NULL)
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prop_object_release(xhp->pkgdb_revdeps);
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cfg_free(xhp->cfg);
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free(xhp->cachedir_priv);
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free(xhp->metadir_priv);
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free(xhp->un_machine);
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xhp->initialized = false;
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xhp = NULL;
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}
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static void
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common_printf(FILE *f, const char *msg, const char *fmt, va_list ap)
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{
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if (msg != NULL)
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fprintf(f, "%s", msg);
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vfprintf(f, fmt, ap);
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}
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void
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xbps_dbg_printf_append(struct xbps_handle *xhp, const char *fmt, ...)
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{
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va_list ap;
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if ((xhp->flags & XBPS_FLAG_DEBUG) == 0)
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return;
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va_start(ap, fmt);
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common_printf(stderr, NULL, fmt, ap);
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va_end(ap);
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}
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void
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xbps_dbg_printf(struct xbps_handle *xhp, const char *fmt, ...)
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{
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va_list ap;
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if ((xhp->flags & XBPS_FLAG_DEBUG) == 0)
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return;
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va_start(ap, fmt);
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common_printf(stderr, "[DEBUG] ", fmt, ap);
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va_end(ap);
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}
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void
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xbps_error_printf(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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common_printf(stderr, "ERROR: ", fmt, ap);
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va_end(ap);
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}
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void
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xbps_warn_printf(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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common_printf(stderr, "WARNING: ", fmt, ap);
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va_end(ap);
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}
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