From d4995c35c9f689fbe63f06d1bbf66d17db5fc2c0 Mon Sep 17 00:00:00 2001 From: Johan Danielsson Date: Thu, 28 May 1998 23:35:42 +0000 Subject: [PATCH] Implement lots a new options. git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4978 ec53bebd-3082-4978-b11e-865c3cabbd6b --- kuser/kinit.c | 258 ++++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 221 insertions(+), 37 deletions(-) diff --git a/kuser/kinit.c b/kuser/kinit.c index 33c891cac..9f67b71a0 100644 --- a/kuser/kinit.c +++ b/kuser/kinit.c @@ -37,28 +37,80 @@ */ #include "kuser_locl.h" +#ifdef KRB4 +#include +#include +#endif RCSID("$Id$"); -int forwardable; -int renewable; -int version_flag = 0; -int help_flag = 0; -char *lifetime = NULL; -char *server = NULL; +int forwardable = 0; +int proxiable = 0; +int renewable = 0; +int renew_flag = 0; +int validate_flag = 0; +int version_flag = 0; +int help_flag = 0; +char *lifetime = NULL; +char *renew_life = NULL; +char *server = NULL; +char *cred_cache = NULL; +char *start_str = NULL; +int use_keytab = 0; +char *keytab_str = NULL; +#ifdef KRB4 +extern int do_afslog; +extern int get_v4_tgt; +#endif struct getargs args[] = { - { "forwardable", 'f', arg_flag, &forwardable, - "get forwardable tickets", NULL }, - { "renewable", 'r', arg_flag, &renewable, - "get renewable tickets", NULL }, - { "lifetime", 'l', arg_string, &lifetime, +#ifdef KRB4 + { "524init", '4', arg_flag, &get_v4_tgt, + "obtain version 4 TGT" }, + + { "afslog", 0 , arg_flag, &do_afslog, + "obtain afs tokens" }, +#endif + { "cache", 'c', arg_string, &cred_cache, + "credentials cache", "cachename" }, + + { "cache", 'c', arg_string, &cred_cache, + "credentials cache", "cachename" }, + + { "forwardable", 'f', arg_flag, &forwardable, + "get forwardable tickets"}, + + { "keytab", 't', arg_string, &keytab_str, + "keytab to use", "keytabname" }, + + { "lifetime", 'l', arg_string, &lifetime, "lifetime of tickets", "seconds"}, - { "server", 'S', arg_string, &server, + + { "proxiable", 'p', arg_flag, &proxiable, + "get proxiable tickets" }, + + { "renew", 'R', arg_flag, &renew_flag, + "renew TGT" }, + + { "renewable", 0, arg_flag, &renewable, + "get renewable tickets" }, + + { "renewable-life", 'r', arg_string, &renew_life, + "renewable lifetime of tickets", "seconds" }, + + { "server", 'S', arg_string, &server, "server to get ticket for", "principal" }, - { "version", 0, arg_flag, &version_flag, - NULL, NULL }, - { "help", 0, arg_flag, &help_flag, - NULL, NULL} + + { "start-time", 's', arg_string, &start_str, + "when ticket gets valid", "seconds" }, + + { "use-keytab", 'k', arg_flag, &use_keytab, + "get key from keytab" }, + + { "validate", 'v', arg_flag, &validate_flag, + "validate TGT" }, + + { "version", 0, arg_flag, &version_flag }, + { "help", 0, arg_flag, &help_flag } }; static void @@ -70,6 +122,79 @@ usage (int ret) exit (ret); } +static int +renew_validate(krb5_context context, + int renew, + int validate, + krb5_ccache cache, + const char *server, + krb5_deltat life) +{ + krb5_error_code ret; + krb5_creds in, *out; + krb5_kdc_flags flags; + + memset(&in, 0, sizeof(in)); + + ret = krb5_cc_get_principal(context, cache, &in.client); + if(ret) { + krb5_warn(context, ret, "krb5_cc_get_principal"); + return ret; + } + if(server) { + ret = krb5_parse_name(context, server, &in.server); + if(ret) { + krb5_warn(context, ret, "krb5_parse_name"); + goto out; + } + } else { + char *realm; + ret = krb5_get_default_realm(context, &realm); + if(ret) { + krb5_warn(context, ret, "krb5_get_default_realm"); + goto out; + } + ret = krb5_make_principal(context, &in.server, + realm, "krbtgt", realm, NULL); + if(ret) { + krb5_warn(context, ret, "krb5_make_principal"); + goto out; + } + free(realm); + } + flags.i = 0; + flags.b.renewable = flags.b.renew = renew; + flags.b.validate = validate; + if(life) + in.times.endtime = time(NULL) + life; + + out = calloc(1, sizeof(*out)); + ret = krb5_get_kdc_cred(context, + cache, + flags, + NULL, + NULL, + &in, + &out); + if(ret) { + krb5_warn(context, ret, "krb5_get_kdc_cred"); + goto out; + } + ret = krb5_cc_initialize(context, cache, in.client); + if(ret) { + krb5_warn(context, ret, "krb5_cc_initialize"); + goto out; + } + ret = krb5_cc_store_cred(context, cache, out); + if(ret) { + krb5_warn(context, ret, "krb5_cc_store_cred"); + goto out; + } +out: + krb5_free_creds(context, out); + return ret; +} + int main (int argc, char **argv) { @@ -80,6 +205,8 @@ main (int argc, char **argv) krb5_creds cred; int optind = 0; krb5_get_init_creds_opt opt; + krb5_deltat start_time = 0; + krb5_deltat ticket_life; set_progname (argv[0]); memset(&cred, 0, sizeof(cred)); @@ -99,19 +226,49 @@ main (int argc, char **argv) exit(0); } - krb5_get_init_creds_opt_init (&opt); - - if (forwardable) - krb5_get_init_creds_opt_set_forwardable (&opt, forwardable); - if (renewable) - krb5_get_init_creds_opt_set_renew_life (&opt, 1 << 30); + if(cred_cache) + ret = krb5_cc_resolve(context, cred_cache, &ccache); + else + ret = krb5_cc_default (context, &ccache); + if (ret) + krb5_err (context, 1, ret, "resolving credentials cache"); if (lifetime) { - int tmp = parse_time (lifetime, NULL); + int tmp = parse_time (lifetime, "s"); if (tmp < 0) errx (1, "unparsable time: %s", lifetime); - krb5_get_init_creds_opt_set_tkt_life (&opt, tmp); + ticket_life = tmp; + } + if(renew_flag || validate_flag) { + ret = renew_validate(context, renew_flag, validate_flag, + ccache, server, ticket_life); + exit(ret != 0); + } + + krb5_get_init_creds_opt_init (&opt); + + krb5_get_init_creds_opt_set_forwardable (&opt, forwardable); + krb5_get_init_creds_opt_set_proxiable (&opt, proxiable); + + if(renew_life) { + int tmp = parse_time (renew_life, "s"); + if (tmp < 0) + errx (1, "unparsable time: %s", renew_life); + + krb5_get_init_creds_opt_set_renew_life (&opt, tmp); + } else if (renewable) + krb5_get_init_creds_opt_set_renew_life (&opt, 1 << 30); + + if(ticket_life != 0) + krb5_get_init_creds_opt_set_tkt_life (&opt, ticket_life); + + if(start_str) { + int tmp = parse_time (lifetime, "s"); + if (tmp < 0) + errx (1, "unparsable time: %s", start_str); + + start_time = tmp; } argc -= optind; @@ -120,10 +277,6 @@ main (int argc, char **argv) if (argc > 1) usage (1); - ret = krb5_cc_default (context, &ccache); - if (ret) - krb5_err (context, 1, ret, "krb5_cc_default"); - if (argv[0]) { ret = krb5_parse_name (context, argv[0], &principal); if (ret) @@ -131,15 +284,32 @@ main (int argc, char **argv) } else principal = NULL; - ret = krb5_get_init_creds_password (context, - &cred, - principal, - NULL, - krb5_prompter_posix, - NULL, - 0, - server, - &opt); + if(use_keytab || keytab_str) { + krb5_keytab kt; + if(keytab_str) + ret = krb5_kt_resolve(context, keytab_str, &kt); + else + ret = krb5_kt_default(context, &kt); + if (ret) + krb5_err (context, 1, ret, "resolving keytab"); + ret = krb5_get_init_creds_keytab (context, + &cred, + principal, + kt, + start_time, + server, + &opt); + krb5_kt_close(context, kt); + } else + ret = krb5_get_init_creds_password (context, + &cred, + principal, + NULL, + krb5_prompter_posix, + NULL, + start_time, + server, + &opt); switch(ret){ case 0: break; @@ -160,6 +330,20 @@ main (int argc, char **argv) ret = krb5_cc_store_cred (context, ccache, &cred); if (ret) krb5_err (context, 1, ret, "krb5_cc_store_cred"); + +#ifdef KRB4 + if(get_v4_tgt) { + CREDENTIALS c; + ret = krb524_convert_creds_kdc(context, &cred, &c); + if(ret) + krb5_warn(context, ret, "converting creds"); + else + tf_setup(&c, c.pname, c.pinst); + memset(&c, 0, sizeof(c)); + } + if(do_afslog && k_hasafs()) + krb5_afslog(context, ccache, NULL, NULL); +#endif krb5_free_creds_contents (context, &cred); krb5_cc_close (context, ccache); krb5_free_context (context);