1 /* $NetBSD: parse-config.c,v 1.1.1.8 2009/10/15 13:01:26 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 1.1.1.8 2009/10/15 13:01:26 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 } 103 }; 104 105 char *config_tmp_variables[sizeof config_variables/sizeof config_variables[0]]; 106 107 static void 108 parse_pkg_install_conf(void) 109 { 110 struct config_variable *var; 111 FILE *fp; 112 char *line, *value; 113 size_t len, var_len, i; 114 115 fp = fopen(config_file, "r"); 116 if (!fp) { 117 if (errno != ENOENT) 118 warn("Can't open '%s' for reading", config_file); 119 return; 120 } 121 122 while ((line = fgetln(fp, &len)) != (char *) NULL) { 123 if (line[len - 1] == '\n') 124 --len; 125 for (i = 0; (var = &config_variables[i])->name != NULL; ++i) { 126 var_len = strlen(var->name); 127 if (strncmp(var->name, line, var_len) != 0) 128 continue; 129 if (line[var_len] != '=') 130 continue; 131 line += var_len + 1; 132 len -= var_len + 1; 133 if (config_tmp_variables[i]) 134 value = xasprintf("%s\n%.*s", 135 config_tmp_variables[i], (int)len, line); 136 else 137 value = xasprintf("%.*s", (int)len, line); 138 free(config_tmp_variables[i]); 139 config_tmp_variables[i] = value; 140 break; 141 } 142 } 143 144 for (i = 0; (var = &config_variables[i])->name != NULL; ++i) { 145 if (config_tmp_variables[i] == NULL) 146 continue; 147 *var->var = config_tmp_variables[i]; 148 config_tmp_variables[i] = NULL; 149 } 150 151 fclose(fp); 152 } 153 154 void 155 pkg_install_config(void) 156 { 157 int do_cache_index; 158 char *value; 159 parse_pkg_install_conf(); 160 161 if (pkg_vulnerabilities_dir == NULL) 162 pkg_vulnerabilities_dir = _pkgdb_getPKGDB_DIR(); 163 pkg_vulnerabilities_file = xasprintf("%s/pkg-vulnerabilities", 164 pkg_vulnerabilities_dir); 165 if (pkg_vulnerabilities_url == NULL) { 166 pkg_vulnerabilities_url = xasprintf("%s/pkg-vulnerabilities.gz", 167 tnf_vulnerability_base); 168 } 169 if (verified_installation == NULL) 170 verified_installation = "never"; 171 172 if (check_vulnerabilities == NULL) 173 check_vulnerabilities = "never"; 174 175 if (do_license_check == NULL) 176 do_license_check = "no"; 177 178 if ((value = getenv("PKG_PATH")) != NULL) 179 config_pkg_path = value; 180 181 if (strcasecmp(cache_index, "yes") == 0) 182 do_cache_index = 1; 183 else { 184 if (strcasecmp(cache_index, "no")) 185 warnx("Invalid value for configuration option " 186 "CACHE_INDEX"); 187 do_cache_index = 0; 188 } 189 190 snprintf(fetch_flags, sizeof(fetch_flags), "%s%s%s%s", 191 (do_cache_index) ? "c" : "", 192 (verbose_netio && *verbose_netio) ? "v" : "", 193 (active_ftp && *active_ftp) ? "a" : "", 194 (ignore_proxy && *ignore_proxy) ? "d" : ""); 195 } 196 197 void 198 pkg_install_show_variable(const char *var_name) 199 { 200 struct config_variable *var; 201 202 for (var = config_variables; var->name != NULL; ++var) { 203 if (strcmp(var->name, var_name) != 0) 204 continue; 205 if (*var->var != NULL) 206 puts(*var->var); 207 } 208 } 209