diff options
Diffstat (limited to 'crypto/heimdal/kdc/config.c')
-rw-r--r-- | crypto/heimdal/kdc/config.c | 357 |
1 files changed, 121 insertions, 236 deletions
diff --git a/crypto/heimdal/kdc/config.c b/crypto/heimdal/kdc/config.c index 8ab826a..a4d40fc 100644 --- a/crypto/heimdal/kdc/config.c +++ b/crypto/heimdal/kdc/config.c @@ -1,6 +1,7 @@ /* - * Copyright (c) 1997-2003 Kungliga Tekniska Högskolan + * Copyright (c) 1997-2007 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). + * * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -35,52 +36,33 @@ #include <getarg.h> #include <parse_bytes.h> -RCSID("$Id: config.c,v 1.46.2.2 2003/10/27 11:06:52 joda Exp $"); - -static const char *config_file; /* location of kdc config file */ +RCSID("$Id: config.c 22248 2007-12-08 23:52:12Z lha $"); -int require_preauth = -1; /* 1 == require preauth for all principals */ +struct dbinfo { + char *realm; + char *dbname; + char *mkey_file; + struct dbinfo *next; +}; -size_t max_request; /* maximal size of a request */ +static char *config_file; /* location of kdc config file */ +static int require_preauth = -1; /* 1 == require preauth for all principals */ static char *max_request_str; /* `max_request' as a string */ -time_t kdc_warn_pwexpire; /* time before expiration to print a warning */ - -struct dbinfo *databases; -HDB **db; -int num_db; - -const char *port_str; +static int disable_des = -1; +static int enable_v4 = -1; +static int enable_kaserver = -1; +static int enable_524 = -1; +static int enable_v4_cross_realm = -1; -#ifdef HAVE_DAEMON -int detach_from_console = -1; -#define DETACH_IS_DEFAULT FALSE -#endif - -int enable_http = -1; -krb5_boolean encode_as_rep_as_tgs_rep; /* bug compatibility */ - -krb5_boolean check_ticket_addresses; -krb5_boolean allow_null_ticket_addresses; -krb5_boolean allow_anonymous; -int trpolicy; -static const char *trpolicy_str; +static int builtin_hdb_flag; +static int help_flag; +static int version_flag; static struct getarg_strings addresses_str; /* addresses to listen on */ -krb5_addresses explicit_addresses; - -#ifdef KRB4 -char *v4_realm; -int enable_v4 = -1; -int enable_kaserver = -1; -#endif -int enable_524 = -1; -int enable_v4_cross_realm = -1; - -static int help_flag; -static int version_flag; +static char *v4_realm; static struct getargs args[] = { { @@ -95,17 +77,10 @@ static struct getargs args[] = { "max-request", 0, arg_string, &max_request, "max size for a kdc-request", "size" }, -#if 0 - { - "database", 'd', arg_string, &databases, - "location of database", "database" - }, -#endif { "enable-http", 'H', arg_flag, &enable_http, "turn on HTTP support" }, { "524", 0, arg_negative_flag, &enable_524, "don't respond to 524 requests" }, -#ifdef KRB4 { "kaserver", 'K', arg_flag, &enable_kaserver, "enable kaserver support" @@ -117,7 +92,6 @@ static struct getargs args[] = { "v4-realm", 'r', arg_string, &v4_realm, "realm to serve v4-requests for" }, -#endif { "kerberos4-cross-realm", 0, arg_flag, &enable_v4_cross_realm, "respond to kerberos 4 requests from foreign realms" @@ -125,7 +99,6 @@ static struct getargs args[] = { { "ports", 'P', arg_string, &port_str, "ports to listen to", "portspec" }, -#ifdef HAVE_DAEMON #if DETACH_IS_DEFAULT { "detach", 'D', arg_negative_flag, &detach_from_console, @@ -137,9 +110,12 @@ static struct getargs args[] = { "detach from console" }, #endif -#endif { "addresses", 0, arg_strings, &addresses_str, "addresses to listen on", "list of addresses" }, + { "disable-des", 0, arg_flag, &disable_des, + "disable DES" }, + { "builtin-hdb", 0, arg_flag, &builtin_hdb_flag, + "list builtin hdb backends"}, { "help", 'h', arg_flag, &help_flag }, { "version", 'v', arg_flag, &version_flag } }; @@ -154,86 +130,7 @@ usage(int ret) } static void -get_dbinfo(void) -{ - const krb5_config_binding *top_binding = NULL; - const krb5_config_binding *db_binding; - const krb5_config_binding *default_binding = NULL; - struct dbinfo *di, **dt; - const char *default_dbname = HDB_DEFAULT_DB; - const char *default_mkey = HDB_DB_DIR "/m-key"; - const char *p; - - databases = NULL; - dt = &databases; - while((db_binding = (const krb5_config_binding *) - krb5_config_get_next(context, NULL, &top_binding, - krb5_config_list, - "kdc", - "database", - NULL))) { - p = krb5_config_get_string(context, db_binding, "realm", NULL); - if(p == NULL) { - if(default_binding) { - krb5_warnx(context, "WARNING: more than one realm-less " - "database specification"); - krb5_warnx(context, "WARNING: using the first encountered"); - } else - default_binding = db_binding; - continue; - } - di = calloc(1, sizeof(*di)); - di->realm = strdup(p); - p = krb5_config_get_string(context, db_binding, "dbname", NULL); - if(p) - di->dbname = strdup(p); - p = krb5_config_get_string(context, db_binding, "mkey_file", NULL); - if(p) - di->mkey_file = strdup(p); - *dt = di; - dt = &di->next; - } - if(default_binding) { - di = calloc(1, sizeof(*di)); - p = krb5_config_get_string(context, default_binding, "dbname", NULL); - if(p) { - di->dbname = strdup(p); - default_dbname = p; - } - p = krb5_config_get_string(context, default_binding, "mkey_file", NULL); - if(p) { - di->mkey_file = strdup(p); - default_mkey = p; - } - *dt = di; - dt = &di->next; - } else if(databases == NULL) { - /* if there are none specified, use some default */ - di = calloc(1, sizeof(*di)); - di->dbname = strdup(default_dbname); - di->mkey_file = strdup(default_mkey); - *dt = di; - dt = &di->next; - } - for(di = databases; di; di = di->next) { - if(di->dbname == NULL) - di->dbname = strdup(default_dbname); - if(di->mkey_file == NULL) { - p = strrchr(di->dbname, '.'); - if(p == NULL || strchr(p, '/') != NULL) - /* final pathname component does not contain a . */ - asprintf(&di->mkey_file, "%s.mkey", di->dbname); - else - /* the filename is something.else, replace .else with - .mkey */ - asprintf(&di->mkey_file, "%.*s.mkey", - (int)(p - di->dbname), di->dbname); - } - } -} - -static void -add_one_address (const char *str, int first) +add_one_address (krb5_context context, const char *str, int first) { krb5_error_code ret; krb5_addresses tmp; @@ -248,15 +145,16 @@ add_one_address (const char *str, int first) krb5_free_addresses (context, &tmp); } -void -configure(int argc, char **argv) +krb5_kdc_configuration * +configure(krb5_context context, int argc, char **argv) { - int optind = 0; - int e; + krb5_kdc_configuration *config; + krb5_error_code ret; + int optidx = 0; const char *p; - while((e = getarg(args, num_args, argc, argv, &optind))) - warnx("error at argument `%s'", argv[optind]); + while(getarg(args, num_args, argc, argv, &optidx)) + warnx("error at argument `%s'", argv[optidx]); if(help_flag) usage (0); @@ -266,35 +164,51 @@ configure(int argc, char **argv) exit(0); } - argc -= optind; - argv += optind; + if (builtin_hdb_flag) { + char *list; + ret = hdb_list_builtin(context, &list); + if (ret) + krb5_err(context, 1, ret, "listing builtin hdb backends"); + printf("builtin hdb backends: %s\n", list); + free(list); + exit(0); + } + + argc -= optidx; + argv += optidx; if (argc != 0) usage(1); { - krb5_error_code ret; char **files; - char *tmp; - if(config_file == NULL) - config_file = _PATH_KDC_CONF; - asprintf(&tmp, "%s:%s", config_file, krb5_config_file); - if(tmp == NULL) - krb5_errx(context, 1, "out of memory"); - - krb5_config_file = tmp; - ret = krb5_get_default_config_files(&files); - if(ret) - krb5_err(context, 1, ret, "reading configuration files"); + if (config_file == NULL) { + asprintf(&config_file, "%s/kdc.conf", hdb_db_dir(context)); + if (config_file == NULL) + errx(1, "out of memory"); + } + + ret = krb5_prepend_config_files_default(config_file, &files); + if (ret) + krb5_err(context, 1, ret, "getting configuration files"); + ret = krb5_set_config_files(context, files); krb5_free_config_files(files); if(ret) krb5_err(context, 1, ret, "reading configuration files"); } - get_dbinfo(); - + ret = krb5_kdc_get_config(context, &config); + if (ret) + krb5_err(context, 1, ret, "krb5_kdc_default_config"); + + kdc_openlog(context, config); + + ret = krb5_kdc_set_dbinfo(context, config); + if (ret) + krb5_err(context, 1, ret, "krb5_kdc_set_dbinfo"); + if(max_request_str) max_request = parse_bytes(max_request_str, NULL); @@ -308,9 +222,8 @@ configure(int argc, char **argv) max_request = parse_bytes(p, NULL); } - if(require_preauth == -1) - require_preauth = krb5_config_get_bool(context, NULL, "kdc", - "require-preauth", NULL); + if(require_preauth != -1) + config->require_preauth = require_preauth; if(port_str == NULL){ p = krb5_config_get_string(context, NULL, "kdc", "ports", NULL); @@ -324,114 +237,86 @@ configure(int argc, char **argv) int i; for (i = 0; i < addresses_str.num_strings; ++i) - add_one_address (addresses_str.strings[i], i == 0); + add_one_address (context, addresses_str.strings[i], i == 0); free_getarg_strings (&addresses_str); } else { char **foo = krb5_config_get_strings (context, NULL, "kdc", "addresses", NULL); if (foo != NULL) { - add_one_address (*foo++, TRUE); + add_one_address (context, *foo++, TRUE); while (*foo) - add_one_address (*foo++, FALSE); + add_one_address (context, *foo++, FALSE); } } -#ifdef KRB4 - if(enable_v4 == -1) - enable_v4 = krb5_config_get_bool_default(context, NULL, FALSE, "kdc", - "enable-kerberos4", NULL); -#else -#define enable_v4 0 -#endif - if(enable_v4_cross_realm == -1) - enable_v4_cross_realm = - krb5_config_get_bool_default(context, NULL, - FALSE, "kdc", - "enable-kerberos4-cross-realm", - NULL); - if(enable_524 == -1) - enable_524 = krb5_config_get_bool_default(context, NULL, enable_v4, - "kdc", "enable-524", NULL); + if(enable_v4 != -1) + config->enable_v4 = enable_v4; + + if(enable_v4_cross_realm != -1) + config->enable_v4_cross_realm = enable_v4_cross_realm; + + if(enable_524 != -1) + config->enable_524 = enable_524; if(enable_http == -1) enable_http = krb5_config_get_bool(context, NULL, "kdc", "enable-http", NULL); - check_ticket_addresses = - krb5_config_get_bool_default(context, NULL, TRUE, "kdc", - "check-ticket-addresses", NULL); - allow_null_ticket_addresses = - krb5_config_get_bool_default(context, NULL, TRUE, "kdc", - "allow-null-ticket-addresses", NULL); - - allow_anonymous = - krb5_config_get_bool(context, NULL, "kdc", - "allow-anonymous", NULL); - trpolicy_str = - krb5_config_get_string_default(context, NULL, "always-check", "kdc", - "transited-policy", NULL); - if(strcasecmp(trpolicy_str, "always-check") == 0) - trpolicy = TRPOLICY_ALWAYS_CHECK; - else if(strcasecmp(trpolicy_str, "allow-per-principal") == 0) - trpolicy = TRPOLICY_ALLOW_PER_PRINCIPAL; - else if(strcasecmp(trpolicy_str, "always-honour-request") == 0) - trpolicy = TRPOLICY_ALWAYS_HONOUR_REQUEST; - else { - kdc_log(0, "unknown transited-policy: %s, reverting to always-check", - trpolicy_str); - trpolicy = TRPOLICY_ALWAYS_CHECK; - } - - krb5_config_get_bool_default(context, NULL, TRUE, "kdc", - "enforce-transited-policy", NULL); -#ifdef KRB4 - if(v4_realm == NULL){ - p = krb5_config_get_string (context, NULL, - "kdc", - "v4-realm", - NULL); - if(p != NULL) { - v4_realm = strdup(p); - if (v4_realm == NULL) - krb5_errx(context, 1, "out of memory"); - } - } - if (enable_kaserver == -1) - enable_kaserver = krb5_config_get_bool_default(context, NULL, FALSE, - "kdc", - "enable-kaserver", - NULL); -#endif - encode_as_rep_as_tgs_rep = krb5_config_get_bool(context, NULL, "kdc", - "encode_as_rep_as_tgs_rep", - NULL); + if(request_log == NULL) + request_log = krb5_config_get_string(context, NULL, + "kdc", + "kdc-request-log", + NULL); - kdc_warn_pwexpire = krb5_config_get_time (context, NULL, - "kdc", - "kdc_warn_pwexpire", - NULL); + if (krb5_config_get_string(context, NULL, "kdc", + "enforce-transited-policy", NULL)) + krb5_errx(context, 1, "enforce-transited-policy deprecated, " + "use [kdc]transited-policy instead"); + + if (enable_kaserver != -1) + config->enable_kaserver = enable_kaserver; -#ifdef HAVE_DAEMON if(detach_from_console == -1) detach_from_console = krb5_config_get_bool_default(context, NULL, DETACH_IS_DEFAULT, "kdc", "detach", NULL); -#endif - kdc_openlog(); + if(max_request == 0) max_request = 64 * 1024; - if(require_preauth == -1) - require_preauth = 1; + if (port_str == NULL) port_str = "+"; -#ifdef KRB4 - if(v4_realm == NULL){ - v4_realm = malloc(40); /* REALM_SZ */ - if (v4_realm == NULL) - krb5_errx(context, 1, "out of memory"); - krb_get_lrealm(v4_realm, 1); + + if (v4_realm) + config->v4_realm = v4_realm; + + if(config->v4_realm == NULL && (config->enable_kaserver || config->enable_v4)) + krb5_errx(context, 1, "Kerberos 4 enabled but no realm configured"); + + if(disable_des == -1) + disable_des = krb5_config_get_bool_default(context, NULL, + FALSE, + "kdc", + "disable-des", NULL); + if(disable_des) { + krb5_enctype_disable(context, ETYPE_DES_CBC_CRC); + krb5_enctype_disable(context, ETYPE_DES_CBC_MD4); + krb5_enctype_disable(context, ETYPE_DES_CBC_MD5); + krb5_enctype_disable(context, ETYPE_DES_CBC_NONE); + krb5_enctype_disable(context, ETYPE_DES_CFB64_NONE); + krb5_enctype_disable(context, ETYPE_DES_PCBC_NONE); + + kdc_log(context, config, + 0, "DES was disabled, turned off Kerberos V4, 524 " + "and kaserver"); + config->enable_v4 = 0; + config->enable_524 = 0; + config->enable_kaserver = 0; } -#endif + + krb5_kdc_windc_init(context); + + return config; } |