272 lines
7.9 KiB
C
272 lines
7.9 KiB
C
/* $NetBSD: parse-config.c,v 1.1.1.11 2010/06/26 00:14:31 joerg Exp $ */
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <nbcompat.h>
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#if HAVE_SYS_CDEFS_H
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#include <sys/cdefs.h>
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#endif
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__RCSID("$NetBSD: parse-config.c,v 1.1.1.11 2010/06/26 00:14:31 joerg Exp $");
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/*-
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* Copyright (c) 2008, 2009 Joerg Sonnenberger <joerg@NetBSD.org>.
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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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*
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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
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* 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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#if HAVE_ERR_H
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#include <err.h>
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#endif
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#include <errno.h>
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#if HAVE_STRING_H
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#include <string.h>
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#endif
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#ifndef BOOTSTRAP
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#include <fetch.h>
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#endif
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#include "lib.h"
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static int cache_connections = 16;
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static int cache_connections_host = 4;
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const char *config_file = SYSCONFDIR"/pkg_install.conf";
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char fetch_flags[10] = ""; /* Workaround Mac OS X linker issues with BSS */
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static const char *active_ftp;
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static const char *verbose_netio;
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static const char *ignore_proxy;
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const char *cache_index = "yes";
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const char *cert_chain_file;
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const char *certs_packages;
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const char *certs_pkg_vulnerabilities;
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const char *check_eol = "yes";
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const char *check_vulnerabilities;
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static const char *config_cache_connections;
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static const char *config_cache_connections_host;
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const char *config_pkg_dbdir;
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const char *config_pkg_path;
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const char *config_pkg_refcount_dbdir;
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const char *do_license_check;
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const char *verified_installation;
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const char *gpg_cmd;
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const char *gpg_keyring_pkgvuln;
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const char *gpg_keyring_sign;
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const char *gpg_keyring_verify;
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const char *gpg_sign_as;
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const char *pkg_vulnerabilities_dir;
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const char *pkg_vulnerabilities_file;
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const char *pkg_vulnerabilities_url;
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const char *ignore_advisories = NULL;
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const char tnf_vulnerability_base[] = "http://ftp.NetBSD.org/pub/NetBSD/packages/vulns";
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const char *acceptable_licenses = NULL;
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static struct config_variable {
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const char *name;
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const char **var;
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} config_variables[] = {
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{ "ACCEPTABLE_LICENSES", &acceptable_licenses },
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{ "ACTIVE_FTP", &active_ftp },
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{ "CACHE_INDEX", &cache_index },
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{ "CACHE_CONNECTIONS", &config_cache_connections },
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{ "CACHE_CONNECTIONS_HOST", &config_cache_connections_host },
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{ "CERTIFICATE_ANCHOR_PKGS", &certs_packages },
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{ "CERTIFICATE_ANCHOR_PKGVULN", &certs_pkg_vulnerabilities },
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{ "CERTIFICATE_CHAIN", &cert_chain_file },
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{ "CHECK_LICENSE", &do_license_check },
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{ "CHECK_END_OF_LIFE", &check_eol },
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{ "CHECK_VULNERABILITIES", &check_vulnerabilities },
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{ "DEFAULT_ACCEPTABLE_LICENSES", &default_acceptable_licenses },
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{ "GPG", &gpg_cmd },
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{ "GPG_KEYRING_PKGVULN", &gpg_keyring_pkgvuln },
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{ "GPG_KEYRING_SIGN", &gpg_keyring_sign },
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{ "GPG_KEYRING_VERIFY", &gpg_keyring_verify },
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{ "GPG_SIGN_AS", &gpg_sign_as },
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{ "IGNORE_PROXY", &ignore_proxy },
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{ "IGNORE_URL", &ignore_advisories },
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{ "PKG_DBDIR", &config_pkg_dbdir },
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{ "PKG_PATH", &config_pkg_path },
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{ "PKG_REFCOUNT_DBDIR", &config_pkg_refcount_dbdir },
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{ "PKGVULNDIR", &pkg_vulnerabilities_dir },
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{ "PKGVULNURL", &pkg_vulnerabilities_url },
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{ "VERBOSE_NETIO", &verbose_netio },
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{ "VERIFIED_INSTALLATION", &verified_installation },
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{ NULL, NULL }, /* For use by pkg_install_show_variable */
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{ NULL, NULL }
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};
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char *config_tmp_variables[sizeof config_variables/sizeof config_variables[0]];
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static void
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parse_pkg_install_conf(void)
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{
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struct config_variable *var;
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FILE *fp;
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char *line, *value;
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size_t len, var_len, i;
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fp = fopen(config_file, "r");
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if (!fp) {
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if (errno != ENOENT)
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warn("Can't open '%s' for reading", config_file);
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return;
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}
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while ((line = fgetln(fp, &len)) != (char *) NULL) {
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if (line[len - 1] == '\n')
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--len;
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for (i = 0; (var = &config_variables[i])->name != NULL; ++i) {
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var_len = strlen(var->name);
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if (strncmp(var->name, line, var_len) != 0)
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continue;
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if (line[var_len] != '=')
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continue;
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line += var_len + 1;
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len -= var_len + 1;
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if (config_tmp_variables[i])
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value = xasprintf("%s\n%.*s",
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config_tmp_variables[i], (int)len, line);
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else
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value = xasprintf("%.*s", (int)len, line);
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free(config_tmp_variables[i]);
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config_tmp_variables[i] = value;
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break;
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}
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}
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for (i = 0; (var = &config_variables[i])->name != NULL; ++i) {
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if (config_tmp_variables[i] == NULL)
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continue;
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*var->var = config_tmp_variables[i];
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config_tmp_variables[i] = NULL;
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}
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fclose(fp);
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}
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void
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pkg_install_config(void)
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{
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int do_cache_index;
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char *value;
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parse_pkg_install_conf();
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if ((value = getenv("PKG_DBDIR")) != NULL)
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pkgdb_set_dir(value, 2);
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else if (config_pkg_dbdir != NULL)
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pkgdb_set_dir(config_pkg_dbdir, 1);
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config_pkg_dbdir = xstrdup(pkgdb_get_dir());
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if ((value = getenv("PKG_REFCOUNT_DBDIR")) != NULL)
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config_pkg_refcount_dbdir = value;
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else if (config_pkg_refcount_dbdir == NULL)
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config_pkg_refcount_dbdir = xasprintf("%s.refcount",
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pkgdb_get_dir());
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if (pkg_vulnerabilities_dir == NULL)
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pkg_vulnerabilities_dir = pkgdb_get_dir();
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pkg_vulnerabilities_file = xasprintf("%s/pkg-vulnerabilities",
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pkg_vulnerabilities_dir);
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if (pkg_vulnerabilities_url == NULL) {
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pkg_vulnerabilities_url = xasprintf("%s/pkg-vulnerabilities.gz",
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tnf_vulnerability_base);
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}
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if (verified_installation == NULL)
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verified_installation = "never";
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if (check_vulnerabilities == NULL)
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check_vulnerabilities = "never";
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if (do_license_check == NULL)
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do_license_check = "no";
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if ((value = getenv("PKG_PATH")) != NULL)
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config_pkg_path = value;
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if (strcasecmp(cache_index, "yes") == 0)
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do_cache_index = 1;
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else {
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if (strcasecmp(cache_index, "no"))
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warnx("Invalid value for configuration option "
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"CACHE_INDEX");
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do_cache_index = 0;
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}
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if (config_cache_connections && *config_cache_connections) {
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long v = strtol(config_cache_connections, &value, 10);
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if (*value == '\0') {
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if (v >= INT_MAX || v < 0)
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v = -1;
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cache_connections = v;
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}
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}
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config_cache_connections = xasprintf("%d", cache_connections);
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if (config_cache_connections_host) {
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long v = strtol(config_cache_connections_host, &value, 10);
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if (*value == '\0') {
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if (v >= INT_MAX || v < 0)
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v = -1;
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cache_connections_host = v;
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}
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}
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config_cache_connections_host = xasprintf("%d", cache_connections_host);
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#ifndef BOOTSTRAP
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fetchConnectionCacheInit(cache_connections, cache_connections_host);
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#endif
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snprintf(fetch_flags, sizeof(fetch_flags), "%s%s%s%s",
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(do_cache_index) ? "c" : "",
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(verbose_netio && *verbose_netio) ? "v" : "",
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(active_ftp && *active_ftp) ? "a" : "",
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(ignore_proxy && *ignore_proxy) ? "d" : "");
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}
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void
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pkg_install_show_variable(const char *var_name)
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{
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struct config_variable *var;
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const char *tmp_value = NULL;
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for (var = config_variables; var->name != NULL; ++var) {
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if (strcmp(var->name, var_name) == 0)
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break;
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}
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if (var->name == NULL) {
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var->name = var_name;
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var->var = &tmp_value;
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}
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pkg_install_config();
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if (*var->var != NULL)
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puts(*var->var);
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}
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