1 /* $NetBSD: parse-config.c,v 1.1.1.9 2009/11/05 18:39:06 joerg Exp $ */ 2 3 #if HAVE_CONFIG_H 4 #include "config.h" 5 #endif 6 #include <nbcompat.h> 7 #if HAVE_SYS_CDEFS_H 8 #include <sys/cdefs.h> 9 #endif 10 __RCSID("$NetBSD: parse-config.c,v 1.1.1.9 2009/11/05 18:39:06 joerg Exp $"); 11 12 /*- 13 * Copyright (c) 2008, 2009 Joerg Sonnenberger <joerg@NetBSD.org>. 14 * All rights reserved. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 20 * 1. Redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer. 22 * 2. Redistributions in binary form must reproduce the above copyright 23 * notice, this list of conditions and the following disclaimer in 24 * the documentation and/or other materials provided with the 25 * distribution. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 30 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 31 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 32 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 33 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 34 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 35 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 36 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 37 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 */ 40 41 #if HAVE_ERR_H 42 #include <err.h> 43 #endif 44 #include <errno.h> 45 #if HAVE_STRING_H 46 #include <string.h> 47 #endif 48 49 #include "lib.h" 50 51 const char *config_file = SYSCONFDIR"/pkg_install.conf"; 52 53 char fetch_flags[10] = ""; /* Workaround Mac OS X linker issues with BSS */ 54 static const char *active_ftp; 55 static const char *verbose_netio; 56 static const char *ignore_proxy; 57 const char *cache_index = "yes"; 58 const char *cert_chain_file; 59 const char *certs_packages; 60 const char *certs_pkg_vulnerabilities; 61 const char *check_vulnerabilities; 62 const char *config_pkg_path; 63 const char *do_license_check; 64 const char *verified_installation; 65 const char *gpg_cmd; 66 const char *gpg_keyring_pkgvuln; 67 const char *gpg_keyring_sign; 68 const char *gpg_keyring_verify; 69 const char *gpg_sign_as; 70 const char *pkg_vulnerabilities_dir; 71 const char *pkg_vulnerabilities_file; 72 const char *pkg_vulnerabilities_url; 73 const char *ignore_advisories = NULL; 74 const char tnf_vulnerability_base[] = "http://ftp.NetBSD.org/pub/NetBSD/packages/vulns"; 75 const char *acceptable_licenses = NULL; 76 77 static struct config_variable { 78 const char *name; 79 const char **var; 80 } config_variables[] = { 81 { "ACCEPTABLE_LICENSES", &acceptable_licenses }, 82 { "ACTIVE_FTP", &active_ftp }, 83 { "CACHE_INDEX", &cache_index }, 84 { "CERTIFICATE_ANCHOR_PKGS", &certs_packages }, 85 { "CERTIFICATE_ANCHOR_PKGVULN", &certs_pkg_vulnerabilities }, 86 { "CERTIFICATE_CHAIN", &cert_chain_file }, 87 { "CHECK_LICENSE", &do_license_check }, 88 { "CHECK_VULNERABILITIES", &check_vulnerabilities }, 89 { "DEFAULT_ACCEPTABLE_LICENSES", &default_acceptable_licenses }, 90 { "GPG", &gpg_cmd }, 91 { "GPG_KEYRING_PKGVULN", &gpg_keyring_pkgvuln }, 92 { "GPG_KEYRING_SIGN", &gpg_keyring_sign }, 93 { "GPG_KEYRING_VERIFY", &gpg_keyring_verify }, 94 { "GPG_SIGN_AS", &gpg_sign_as }, 95 { "IGNORE_PROXY", &ignore_proxy }, 96 { "IGNORE_URL", &ignore_advisories }, 97 { "PKG_PATH", &config_pkg_path }, 98 { "PKGVULNDIR", &pkg_vulnerabilities_dir }, 99 { "PKGVULNURL", &pkg_vulnerabilities_url }, 100 { "VERBOSE_NETIO", &verbose_netio }, 101 { "VERIFIED_INSTALLATION", &verified_installation }, 102 { NULL, NULL }, /* For use by pkg_install_show_variable */ 103 { NULL, NULL } 104 }; 105 106 char *config_tmp_variables[sizeof config_variables/sizeof config_variables[0]]; 107 108 static void 109 parse_pkg_install_conf(void) 110 { 111 struct config_variable *var; 112 FILE *fp; 113 char *line, *value; 114 size_t len, var_len, i; 115 116 fp = fopen(config_file, "r"); 117 if (!fp) { 118 if (errno != ENOENT) 119 warn("Can't open '%s' for reading", config_file); 120 return; 121 } 122 123 while ((line = fgetln(fp, &len)) != (char *) NULL) { 124 if (line[len - 1] == '\n') 125 --len; 126 for (i = 0; (var = &config_variables[i])->name != NULL; ++i) { 127 var_len = strlen(var->name); 128 if (strncmp(var->name, line, var_len) != 0) 129 continue; 130 if (line[var_len] != '=') 131 continue; 132 line += var_len + 1; 133 len -= var_len + 1; 134 if (config_tmp_variables[i]) 135 value = xasprintf("%s\n%.*s", 136 config_tmp_variables[i], (int)len, line); 137 else 138 value = xasprintf("%.*s", (int)len, line); 139 free(config_tmp_variables[i]); 140 config_tmp_variables[i] = value; 141 break; 142 } 143 } 144 145 for (i = 0; (var = &config_variables[i])->name != NULL; ++i) { 146 if (config_tmp_variables[i] == NULL) 147 continue; 148 *var->var = config_tmp_variables[i]; 149 config_tmp_variables[i] = NULL; 150 } 151 152 fclose(fp); 153 } 154 155 void 156 pkg_install_config(void) 157 { 158 int do_cache_index; 159 char *value; 160 parse_pkg_install_conf(); 161 162 if (pkg_vulnerabilities_dir == NULL) 163 pkg_vulnerabilities_dir = _pkgdb_getPKGDB_DIR(); 164 pkg_vulnerabilities_file = xasprintf("%s/pkg-vulnerabilities", 165 pkg_vulnerabilities_dir); 166 if (pkg_vulnerabilities_url == NULL) { 167 pkg_vulnerabilities_url = xasprintf("%s/pkg-vulnerabilities.gz", 168 tnf_vulnerability_base); 169 } 170 if (verified_installation == NULL) 171 verified_installation = "never"; 172 173 if (check_vulnerabilities == NULL) 174 check_vulnerabilities = "never"; 175 176 if (do_license_check == NULL) 177 do_license_check = "no"; 178 179 if ((value = getenv("PKG_PATH")) != NULL) 180 config_pkg_path = value; 181 182 if (strcasecmp(cache_index, "yes") == 0) 183 do_cache_index = 1; 184 else { 185 if (strcasecmp(cache_index, "no")) 186 warnx("Invalid value for configuration option " 187 "CACHE_INDEX"); 188 do_cache_index = 0; 189 } 190 191 snprintf(fetch_flags, sizeof(fetch_flags), "%s%s%s%s", 192 (do_cache_index) ? "c" : "", 193 (verbose_netio && *verbose_netio) ? "v" : "", 194 (active_ftp && *active_ftp) ? "a" : "", 195 (ignore_proxy && *ignore_proxy) ? "d" : ""); 196 } 197 198 void 199 pkg_install_show_variable(const char *var_name) 200 { 201 struct config_variable *var; 202 const char *tmp_value = NULL; 203 204 for (var = config_variables; var->name != NULL; ++var) { 205 if (strcmp(var->name, var_name) == 0) 206 break; 207 } 208 if (var->name == NULL) { 209 var->name = var_name; 210 var->var = &tmp_value; 211 } 212 213 pkg_install_config(); 214 215 if (*var->var != NULL) 216 puts(*var->var); 217 } 218