1 | /*
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2 | Unix SMB/CIFS implementation.
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3 | Samba utility functions. ADS stuff
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4 | Copyright (C) Alexey Kotovich 2002
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5 |
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6 | This program is free software; you can redistribute it and/or modify
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7 | it under the terms of the GNU General Public License as published by
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8 | the Free Software Foundation; either version 3 of the License, or
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9 | (at your option) any later version.
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10 |
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11 | This program is distributed in the hope that it will be useful,
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12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | GNU General Public License for more details.
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15 |
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16 | You should have received a copy of the GNU General Public License
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17 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 | */
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19 |
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20 | #include "includes.h"
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21 | #include "ads.h"
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22 | #include "libads/ldap_schema.h"
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23 | #include "../libcli/security/secace.h"
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24 | #include "../librpc/ndr/libndr.h"
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25 |
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26 | /* for ADS */
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27 | #define SEC_RIGHTS_FULL_CTRL 0xf01ff
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28 |
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29 | #ifdef HAVE_LDAP
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30 |
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31 | static struct perm_mask_str {
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32 | uint32 mask;
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33 | const char *str;
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34 | } perms[] = {
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35 | {SEC_RIGHTS_FULL_CTRL, "[Full Control]"},
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36 |
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37 | {SEC_ADS_LIST, "[List Contents]"},
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38 | {SEC_ADS_LIST_OBJECT, "[List Object]"},
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39 |
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40 | {SEC_ADS_READ_PROP, "[Read All Properties]"},
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41 | {SEC_STD_READ_CONTROL, "[Read Permissions]"},
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42 |
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43 | {SEC_ADS_SELF_WRITE, "[All validate writes]"},
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44 | {SEC_ADS_WRITE_PROP, "[Write All Properties]"},
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45 |
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46 | {SEC_STD_WRITE_DAC, "[Modify Permissions]"},
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47 | {SEC_STD_WRITE_OWNER, "[Modify Owner]"},
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48 |
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49 | {SEC_ADS_CREATE_CHILD, "[Create All Child Objects]"},
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50 |
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51 | {SEC_STD_DELETE, "[Delete]"},
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52 | {SEC_ADS_DELETE_TREE, "[Delete Subtree]"},
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53 | {SEC_ADS_DELETE_CHILD, "[Delete All Child Objects]"},
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54 |
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55 | {SEC_ADS_CONTROL_ACCESS, "[Change Password]"},
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56 | {SEC_ADS_CONTROL_ACCESS, "[Reset Password]"},
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57 |
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58 | {0, 0}
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59 | };
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60 |
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61 | /* convert a security permissions into a string */
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62 | static void ads_disp_perms(uint32 type)
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63 | {
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64 | int i = 0;
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65 | int j = 0;
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66 |
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67 | printf("Permissions: ");
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68 |
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69 | if (type == SEC_RIGHTS_FULL_CTRL) {
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70 | printf("%s\n", perms[j].str);
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71 | return;
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72 | }
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73 |
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74 | for (i = 0; i < 32; i++) {
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75 | if (type & (1 << i)) {
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76 | for (j = 1; perms[j].str; j ++) {
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77 | if (perms[j].mask == (((unsigned) 1) << i)) {
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78 | printf("\n\t%s (0x%08x)", perms[j].str, perms[j].mask);
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79 | }
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80 | }
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81 | type &= ~(1 << i);
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82 | }
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83 | }
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84 |
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85 | /* remaining bits get added on as-is */
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86 | if (type != 0) {
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87 | printf("[%08x]", type);
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88 | }
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89 | puts("");
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90 | }
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91 |
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92 | static const char *ads_interprete_guid_from_object(ADS_STRUCT *ads,
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93 | TALLOC_CTX *mem_ctx,
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94 | const struct GUID *guid)
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95 | {
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96 | const char *ret = NULL;
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97 |
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98 | if (!ads || !mem_ctx) {
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99 | return NULL;
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100 | }
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101 |
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102 | ret = ads_get_attrname_by_guid(ads, ads->config.schema_path,
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103 | mem_ctx, guid);
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104 | if (ret) {
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105 | return talloc_asprintf(mem_ctx, "LDAP attribute: \"%s\"", ret);
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106 | }
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107 |
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108 | ret = ads_get_extended_right_name_by_guid(ads, ads->config.config_path,
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109 | mem_ctx, guid);
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110 |
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111 | if (ret) {
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112 | return talloc_asprintf(mem_ctx, "Extended right: \"%s\"", ret);
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113 | }
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114 |
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115 | return ret;
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116 | }
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117 |
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118 | static void ads_disp_sec_ace_object(ADS_STRUCT *ads,
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119 | TALLOC_CTX *mem_ctx,
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120 | struct security_ace_object *object)
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121 | {
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122 | if (object->flags & SEC_ACE_OBJECT_TYPE_PRESENT) {
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123 | printf("Object type: SEC_ACE_OBJECT_TYPE_PRESENT\n");
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124 | printf("Object GUID: %s (%s)\n", GUID_string(mem_ctx,
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125 | &object->type.type),
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126 | ads_interprete_guid_from_object(ads, mem_ctx,
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127 | &object->type.type));
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128 | }
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129 | if (object->flags & SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT) {
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130 | printf("Object type: SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT\n");
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131 | printf("Object GUID: %s (%s)\n", GUID_string(mem_ctx,
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132 | &object->inherited_type.inherited_type),
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133 | ads_interprete_guid_from_object(ads, mem_ctx,
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134 | &object->inherited_type.inherited_type));
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135 | }
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136 | }
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137 |
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138 | /* display ACE */
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139 | static void ads_disp_ace(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, struct security_ace *sec_ace)
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140 | {
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141 | const char *access_type = "UNKNOWN";
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142 |
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143 | if (!sec_ace_object(sec_ace->type)) {
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144 | printf("------- ACE (type: 0x%02x, flags: 0x%02x, size: 0x%02x, mask: 0x%x)\n",
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145 | sec_ace->type,
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146 | sec_ace->flags,
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147 | sec_ace->size,
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148 | sec_ace->access_mask);
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149 | } else {
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150 | printf("------- ACE (type: 0x%02x, flags: 0x%02x, size: 0x%02x, mask: 0x%x, object flags: 0x%x)\n",
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151 | sec_ace->type,
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152 | sec_ace->flags,
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153 | sec_ace->size,
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154 | sec_ace->access_mask,
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155 | sec_ace->object.object.flags);
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156 | }
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157 |
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158 | if (sec_ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
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159 | access_type = "ALLOWED";
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160 | } else if (sec_ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
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161 | access_type = "DENIED";
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162 | } else if (sec_ace->type == SEC_ACE_TYPE_SYSTEM_AUDIT) {
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163 | access_type = "SYSTEM AUDIT";
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164 | } else if (sec_ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT) {
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165 | access_type = "ALLOWED OBJECT";
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166 | } else if (sec_ace->type == SEC_ACE_TYPE_ACCESS_DENIED_OBJECT) {
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167 | access_type = "DENIED OBJECT";
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168 | } else if (sec_ace->type == SEC_ACE_TYPE_SYSTEM_AUDIT_OBJECT) {
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169 | access_type = "AUDIT OBJECT";
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170 | }
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171 |
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172 | printf("access SID: %s\naccess type: %s\n",
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173 | sid_string_talloc(mem_ctx, &sec_ace->trustee), access_type);
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174 |
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175 | if (sec_ace_object(sec_ace->type)) {
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176 | ads_disp_sec_ace_object(ads, mem_ctx, &sec_ace->object.object);
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177 | }
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178 |
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179 | ads_disp_perms(sec_ace->access_mask);
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180 | }
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181 |
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182 | /* display ACL */
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183 | static void ads_disp_acl(struct security_acl *sec_acl, const char *type)
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184 | {
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185 | if (!sec_acl)
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186 | printf("------- (%s) ACL not present\n", type);
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187 | else {
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188 | printf("------- (%s) ACL (revision: %d, size: %d, number of ACEs: %d)\n",
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189 | type,
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190 | sec_acl->revision,
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191 | sec_acl->size,
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192 | sec_acl->num_aces);
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193 | }
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194 | }
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195 |
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196 | /* display SD */
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197 | void ads_disp_sd(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx, struct security_descriptor *sd)
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198 | {
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199 | int i;
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200 | char *tmp_path = NULL;
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201 |
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202 | if (!sd) {
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203 | return;
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204 | }
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205 |
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206 | if (ads && !ads->config.schema_path) {
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207 | if (ADS_ERR_OK(ads_schema_path(ads, mem_ctx, &tmp_path))) {
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208 | ads->config.schema_path = SMB_STRDUP(tmp_path);
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209 | }
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210 | }
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211 |
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212 | if (ads && !ads->config.config_path) {
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213 | if (ADS_ERR_OK(ads_config_path(ads, mem_ctx, &tmp_path))) {
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214 | ads->config.config_path = SMB_STRDUP(tmp_path);
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215 | }
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216 | }
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217 |
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218 | printf("-------------- Security Descriptor (revision: %d, type: 0x%02x)\n",
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219 | sd->revision,
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220 | sd->type);
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221 |
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222 | printf("owner SID: %s\n", sd->owner_sid ?
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223 | sid_string_talloc(mem_ctx, sd->owner_sid) : "(null)");
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224 | printf("group SID: %s\n", sd->group_sid ?
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225 | sid_string_talloc(mem_ctx, sd->group_sid) : "(null)");
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226 |
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227 | ads_disp_acl(sd->sacl, "system");
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228 | if (sd->sacl) {
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229 | for (i = 0; i < sd->sacl->num_aces; i ++) {
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230 | ads_disp_ace(ads, mem_ctx, &sd->sacl->aces[i]);
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231 | }
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232 | }
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233 |
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234 | ads_disp_acl(sd->dacl, "user");
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235 | if (sd->dacl) {
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236 | for (i = 0; i < sd->dacl->num_aces; i ++) {
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237 | ads_disp_ace(ads, mem_ctx, &sd->dacl->aces[i]);
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238 | }
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239 | }
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240 |
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241 | printf("-------------- End Of Security Descriptor\n");
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242 | }
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243 |
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244 | #endif
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