1178825Sdfr/* 2233294Sstas * Copyright (c) 2004 Kungliga Tekniska H��gskolan 3178825Sdfr * (Royal Institute of Technology, Stockholm, Sweden). 4178825Sdfr * All rights reserved. 5178825Sdfr * 6178825Sdfr * Redistribution and use in source and binary forms, with or without 7178825Sdfr * modification, are permitted provided that the following conditions 8178825Sdfr * are met: 9178825Sdfr * 10178825Sdfr * 1. Redistributions of source code must retain the above copyright 11178825Sdfr * notice, this list of conditions and the following disclaimer. 12178825Sdfr * 13178825Sdfr * 2. Redistributions in binary form must reproduce the above copyright 14178825Sdfr * notice, this list of conditions and the following disclaimer in the 15178825Sdfr * documentation and/or other materials provided with the distribution. 16178825Sdfr * 17178825Sdfr * 3. Neither the name of the Institute nor the names of its contributors 18178825Sdfr * may be used to endorse or promote products derived from this software 19178825Sdfr * without specific prior written permission. 20178825Sdfr * 21178825Sdfr * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22178825Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23178825Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24178825Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25178825Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26178825Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27178825Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28178825Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29178825Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30178825Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31178825Sdfr * SUCH DAMAGE. 32178825Sdfr */ 33178825Sdfr 34233294Sstas#include "kuser_locl.h" 35178825Sdfr#include <config.h> 36178825Sdfr#include <parse_units.h> 37178825Sdfr#include <parse_time.h> 38233294Sstas#include "kcc-commands.h" 39178825Sdfr 40178825Sdfrstatic int32_t 41178825Sdfrbitswap32(int32_t b) 42178825Sdfr{ 43178825Sdfr int32_t r = 0; 44178825Sdfr int i; 45178825Sdfr for (i = 0; i < 32; i++) { 46178825Sdfr r = r << 1 | (b & 1); 47178825Sdfr b = b >> 1; 48178825Sdfr } 49178825Sdfr return r; 50178825Sdfr} 51178825Sdfr 52178825Sdfrstatic void 53178825Sdfrparse_ticket_flags(krb5_context context, 54178825Sdfr const char *string, krb5_ticket_flags *ret_flags) 55178825Sdfr{ 56178825Sdfr TicketFlags ff; 57178825Sdfr int flags = parse_flags(string, asn1_TicketFlags_units(), 0); 58178825Sdfr if (flags == -1) /* XXX */ 59178825Sdfr krb5_errx(context, 1, "bad flags specified: \"%s\"", string); 60178825Sdfr 61178825Sdfr memset(&ff, 0, sizeof(ff)); 62178825Sdfr ff.proxy = 1; 63233294Sstas if ((size_t)parse_flags("proxy", asn1_TicketFlags_units(), 0) == TicketFlags2int(ff)) 64178825Sdfr ret_flags->i = flags; 65178825Sdfr else 66178825Sdfr ret_flags->i = bitswap32(flags); 67178825Sdfr} 68178825Sdfr 69233294Sstasstruct ctx { 70233294Sstas krb5_flags whichfields; 71233294Sstas krb5_creds mcreds; 72233294Sstas}; 73233294Sstas 74233294Sstasstatic krb5_boolean 75233294Sstasmatchfunc(krb5_context context, void *ptr, const krb5_creds *creds) 76233294Sstas{ 77233294Sstas struct ctx *ctx = ptr; 78233294Sstas if (krb5_compare_creds(context, ctx->whichfields, &ctx->mcreds, creds)) 79233294Sstas return TRUE; 80233294Sstas return FALSE; 81233294Sstas} 82233294Sstas 83178825Sdfrint 84233294Sstascopy_cred_cache(struct copy_cred_cache_options *opt, int argc, char **argv) 85178825Sdfr{ 86178825Sdfr krb5_error_code ret; 87178825Sdfr const char *from_name, *to_name; 88178825Sdfr krb5_ccache from_ccache, to_ccache; 89178825Sdfr unsigned int matched; 90233294Sstas struct ctx ctx; 91178825Sdfr 92233294Sstas memset(&ctx, 0, sizeof(ctx)); 93178825Sdfr 94233294Sstas if (opt->service_string) { 95233294Sstas ret = krb5_parse_name(kcc_context, opt->service_string, &ctx.mcreds.server); 96178825Sdfr if (ret) 97233294Sstas krb5_err(kcc_context, 1, ret, "%s", opt->service_string); 98178825Sdfr } 99233294Sstas if (opt->enctype_string) { 100178825Sdfr krb5_enctype enctype; 101233294Sstas ret = krb5_string_to_enctype(kcc_context, opt->enctype_string, &enctype); 102178825Sdfr if (ret) 103233294Sstas krb5_err(kcc_context, 1, ret, "%s", opt->enctype_string); 104233294Sstas ctx.whichfields |= KRB5_TC_MATCH_KEYTYPE; 105233294Sstas ctx.mcreds.session.keytype = enctype; 106178825Sdfr } 107233294Sstas if (opt->flags_string) { 108233294Sstas parse_ticket_flags(kcc_context, opt->flags_string, &ctx.mcreds.flags); 109233294Sstas ctx.whichfields |= KRB5_TC_MATCH_FLAGS; 110178825Sdfr } 111233294Sstas if (opt->valid_for_string) { 112233294Sstas time_t t = parse_time(opt->valid_for_string, "s"); 113178825Sdfr if(t < 0) 114233294Sstas errx(1, "unknown time \"%s\"", opt->valid_for_string); 115233294Sstas ctx.mcreds.times.endtime = time(NULL) + t; 116233294Sstas ctx.whichfields |= KRB5_TC_MATCH_TIMES; 117178825Sdfr } 118233294Sstas if (opt->fcache_version_integer) 119233294Sstas krb5_set_fcache_version(kcc_context, opt->fcache_version_integer); 120178825Sdfr 121178825Sdfr if (argc == 1) { 122233294Sstas from_name = krb5_cc_default_name(kcc_context); 123178825Sdfr to_name = argv[0]; 124178825Sdfr } else { 125178825Sdfr from_name = argv[0]; 126178825Sdfr to_name = argv[1]; 127178825Sdfr } 128178825Sdfr 129233294Sstas ret = krb5_cc_resolve(kcc_context, from_name, &from_ccache); 130178825Sdfr if (ret) 131233294Sstas krb5_err(kcc_context, 1, ret, "%s", from_name); 132178825Sdfr 133233294Sstas if (opt->krbtgt_only_flag) { 134178825Sdfr krb5_principal client; 135233294Sstas ret = krb5_cc_get_principal(kcc_context, from_ccache, &client); 136178825Sdfr if (ret) 137233294Sstas krb5_err(kcc_context, 1, ret, "getting default principal"); 138233294Sstas ret = krb5_make_principal(kcc_context, &ctx.mcreds.server, 139233294Sstas krb5_principal_get_realm(kcc_context, client), 140178825Sdfr KRB5_TGS_NAME, 141233294Sstas krb5_principal_get_realm(kcc_context, client), 142178825Sdfr NULL); 143178825Sdfr if (ret) 144233294Sstas krb5_err(kcc_context, 1, ret, "constructing krbtgt principal"); 145233294Sstas krb5_free_principal(kcc_context, client); 146178825Sdfr } 147233294Sstas ret = krb5_cc_resolve(kcc_context, to_name, &to_ccache); 148178825Sdfr if (ret) 149233294Sstas krb5_err(kcc_context, 1, ret, "%s", to_name); 150178825Sdfr 151233294Sstas ret = krb5_cc_copy_match_f(kcc_context, from_ccache, to_ccache, 152233294Sstas matchfunc, &ctx, &matched); 153178825Sdfr if (ret) 154233294Sstas krb5_err(kcc_context, 1, ret, "copying cred cache"); 155178825Sdfr 156233294Sstas krb5_cc_close(kcc_context, from_ccache); 157178825Sdfr if(matched == 0) 158233294Sstas krb5_cc_destroy(kcc_context, to_ccache); 159178825Sdfr else 160233294Sstas krb5_cc_close(kcc_context, to_ccache); 161233294Sstas 162178825Sdfr return matched == 0; 163178825Sdfr} 164