1 | /*
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2 | * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
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3 | * (Royal Institute of Technology, Stockholm, Sweden).
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4 | * All rights reserved.
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5 | *
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6 | * Redistribution and use in source and binary forms, with or without
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7 | * modification, are permitted provided that the following conditions
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8 | * are met:
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9 | *
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10 | * 1. Redistributions of source code must retain the above copyright
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11 | * notice, this list of conditions and the following disclaimer.
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12 | *
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13 | * 2. Redistributions in binary form must reproduce the above copyright
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14 | * notice, this list of conditions and the following disclaimer in the
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15 | * documentation and/or other materials provided with the distribution.
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16 | *
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17 | * 3. Neither the name of the Institute nor the names of its contributors
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18 | * may be used to endorse or promote products derived from this software
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19 | * without specific prior written permission.
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20 | *
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21 | * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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31 | * SUCH DAMAGE.
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32 | */
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33 |
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34 | #include "ktutil_locl.h"
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35 |
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36 | RCSID("$Id$");
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37 |
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38 | static void*
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39 | open_kadmin_connection(char *principal,
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40 | const char *realm,
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41 | char *admin_server,
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42 | int server_port)
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43 | {
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44 | static kadm5_config_params conf;
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45 | krb5_error_code ret;
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46 | void *kadm_handle;
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47 | memset(&conf, 0, sizeof(conf));
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48 |
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49 | if(realm) {
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50 | conf.realm = strdup(realm);
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51 | if (conf.realm == NULL) {
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52 | krb5_set_error_message(context, 0, "malloc: out of memory");
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53 | return NULL;
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54 | }
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55 | conf.mask |= KADM5_CONFIG_REALM;
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56 | }
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57 |
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58 | if (admin_server) {
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59 | conf.admin_server = admin_server;
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60 | conf.mask |= KADM5_CONFIG_ADMIN_SERVER;
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61 | }
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62 |
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63 | if (server_port) {
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64 | conf.kadmind_port = htons(server_port);
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65 | conf.mask |= KADM5_CONFIG_KADMIND_PORT;
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66 | }
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67 |
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68 | /* should get realm from each principal, instead of doing
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69 | everything with the same (local) realm */
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70 |
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71 | ret = kadm5_init_with_password_ctx(context,
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72 | principal,
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73 | NULL,
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74 | KADM5_ADMIN_SERVICE,
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75 | &conf, 0, 0,
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76 | &kadm_handle);
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77 | free(conf.realm);
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78 | if(ret) {
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79 | krb5_warn(context, ret, "kadm5_init_with_password");
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80 | return NULL;
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81 | }
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82 | return kadm_handle;
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83 | }
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84 |
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85 | int
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86 | kt_get(struct get_options *opt, int argc, char **argv)
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87 | {
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88 | krb5_error_code ret = 0;
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89 | krb5_keytab keytab;
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90 | void *kadm_handle = NULL;
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91 | krb5_enctype *etypes = NULL;
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92 | size_t netypes = 0;
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93 | size_t i;
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94 | int a, j;
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95 | unsigned int failed = 0;
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96 |
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97 | if((keytab = ktutil_open_keytab()) == NULL)
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98 | return 1;
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99 |
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100 | if(opt->realm_string)
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101 | krb5_set_default_realm(context, opt->realm_string);
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102 |
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103 | if (opt->enctypes_strings.num_strings != 0) {
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104 |
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105 | etypes = malloc (opt->enctypes_strings.num_strings * sizeof(*etypes));
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106 | if (etypes == NULL) {
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107 | krb5_warnx(context, "malloc failed");
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108 | goto out;
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109 | }
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110 | netypes = opt->enctypes_strings.num_strings;
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111 | for(i = 0; i < netypes; i++) {
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112 | ret = krb5_string_to_enctype(context,
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113 | opt->enctypes_strings.strings[i],
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114 | &etypes[i]);
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115 | if(ret) {
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116 | krb5_warnx(context, "unrecognized enctype: %s",
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117 | opt->enctypes_strings.strings[i]);
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118 | goto out;
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119 | }
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120 | }
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121 | }
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122 |
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123 |
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124 | for(a = 0; a < argc; a++){
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125 | krb5_principal princ_ent;
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126 | kadm5_principal_ent_rec princ;
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127 | int mask = 0;
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128 | krb5_keyblock *keys;
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129 | int n_keys;
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130 | int created = 0;
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131 | krb5_keytab_entry entry;
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132 |
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133 | ret = krb5_parse_name(context, argv[a], &princ_ent);
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134 | if (ret) {
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135 | krb5_warn(context, ret, "can't parse principal %s", argv[a]);
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136 | failed++;
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137 | continue;
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138 | }
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139 | memset(&princ, 0, sizeof(princ));
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140 | princ.principal = princ_ent;
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141 | mask |= KADM5_PRINCIPAL;
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142 | princ.attributes |= KRB5_KDB_DISALLOW_ALL_TIX;
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143 | mask |= KADM5_ATTRIBUTES;
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144 | princ.princ_expire_time = 0;
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145 | mask |= KADM5_PRINC_EXPIRE_TIME;
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146 |
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147 | if(kadm_handle == NULL) {
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148 | const char *r;
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149 | if(opt->realm_string != NULL)
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150 | r = opt->realm_string;
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151 | else
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152 | r = krb5_principal_get_realm(context, princ_ent);
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153 | kadm_handle = open_kadmin_connection(opt->principal_string,
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154 | r,
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155 | opt->admin_server_string,
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156 | opt->server_port_integer);
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157 | if(kadm_handle == NULL)
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158 | break;
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159 | }
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160 |
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161 | ret = kadm5_create_principal(kadm_handle, &princ, mask, "x");
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162 | if(ret == 0)
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163 | created = 1;
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164 | else if(ret != KADM5_DUP) {
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165 | krb5_warn(context, ret, "kadm5_create_principal(%s)", argv[a]);
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166 | krb5_free_principal(context, princ_ent);
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167 | failed++;
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168 | continue;
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169 | }
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170 | ret = kadm5_randkey_principal(kadm_handle, princ_ent, &keys, &n_keys);
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171 | if (ret) {
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172 | krb5_warn(context, ret, "kadm5_randkey_principal(%s)", argv[a]);
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173 | krb5_free_principal(context, princ_ent);
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174 | failed++;
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175 | continue;
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176 | }
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177 |
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178 | ret = kadm5_get_principal(kadm_handle, princ_ent, &princ,
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179 | KADM5_PRINCIPAL | KADM5_KVNO | KADM5_ATTRIBUTES);
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180 | if (ret) {
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181 | krb5_warn(context, ret, "kadm5_get_principal(%s)", argv[a]);
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182 | for (j = 0; j < n_keys; j++)
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183 | krb5_free_keyblock_contents(context, &keys[j]);
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184 | krb5_free_principal(context, princ_ent);
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185 | failed++;
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186 | continue;
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187 | }
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188 | if(!created && (princ.attributes & KRB5_KDB_DISALLOW_ALL_TIX))
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189 | krb5_warnx(context, "%s: disallow-all-tix flag set - clearing", argv[a]);
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190 | princ.attributes &= (~KRB5_KDB_DISALLOW_ALL_TIX);
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191 | mask = KADM5_ATTRIBUTES;
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192 | if(created) {
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193 | princ.kvno = 1;
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194 | mask |= KADM5_KVNO;
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195 | }
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196 | ret = kadm5_modify_principal(kadm_handle, &princ, mask);
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197 | if (ret) {
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198 | krb5_warn(context, ret, "kadm5_modify_principal(%s)", argv[a]);
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199 | for (j = 0; j < n_keys; j++)
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200 | krb5_free_keyblock_contents(context, &keys[j]);
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201 | krb5_free_principal(context, princ_ent);
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202 | failed++;
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203 | continue;
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204 | }
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205 | for(j = 0; j < n_keys; j++) {
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206 | int do_add = TRUE;
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207 |
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208 | if (netypes) {
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209 | size_t k;
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210 |
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211 | do_add = FALSE;
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212 | for (k = 0; k < netypes; ++k)
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213 | if (keys[j].keytype == etypes[k]) {
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214 | do_add = TRUE;
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215 | break;
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216 | }
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217 | }
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218 | if (do_add) {
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219 | entry.principal = princ_ent;
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220 | entry.vno = princ.kvno;
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221 | entry.keyblock = keys[j];
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222 | entry.timestamp = time (NULL);
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223 | ret = krb5_kt_add_entry(context, keytab, &entry);
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224 | if (ret)
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225 | krb5_warn(context, ret, "krb5_kt_add_entry");
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226 | }
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227 | krb5_free_keyblock_contents(context, &keys[j]);
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228 | }
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229 |
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230 | kadm5_free_principal_ent(kadm_handle, &princ);
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231 | krb5_free_principal(context, princ_ent);
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232 | }
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233 | out:
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234 | free(etypes);
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235 | if (kadm_handle)
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236 | kadm5_destroy(kadm_handle);
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237 | krb5_kt_close(context, keytab);
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238 | return ret != 0 || failed > 0;
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239 | }
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