1 | /*
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2 | Unix SMB/CIFS implementation.
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3 | Samba utility functions
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4 | Copyright (C) Andrew Tridgell 1992-1999
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5 | Copyright (C) Luke Kenneth Casson Leighton 1996 - 1999
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6 |
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7 | This program is free software; you can redistribute it and/or modify
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8 | it under the terms of the GNU General Public License as published by
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9 | the Free Software Foundation; either version 3 of the License, or
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10 | (at your option) any later version.
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11 |
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12 | This program is distributed in the hope that it will be useful,
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13 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | GNU General Public License for more details.
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16 |
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17 | You should have received a copy of the GNU General Public License
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18 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 | */
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20 |
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21 | #include "includes.h"
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22 | #include "libcli/security/security.h"
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23 | #include "librpc/ndr/libndr.h"
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24 | #include "libcli/security/display_sec.h"
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25 |
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26 | /****************************************************************************
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27 | convert a security permissions into a string
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28 | ****************************************************************************/
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29 |
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30 | char *get_sec_mask_str(TALLOC_CTX *ctx, uint32_t type)
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31 | {
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32 | char *typestr = talloc_strdup(ctx, "");
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33 |
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34 | if (!typestr) {
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35 | return NULL;
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36 | }
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37 |
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38 | if (type & SEC_GENERIC_ALL) {
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39 | typestr = talloc_asprintf_append(typestr,
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40 | "Generic all access ");
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41 | if (!typestr) {
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42 | return NULL;
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43 | }
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44 | }
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45 | if (type & SEC_GENERIC_EXECUTE) {
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46 | typestr = talloc_asprintf_append(typestr,
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47 | "Generic execute access");
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48 | if (!typestr) {
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49 | return NULL;
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50 | }
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51 | }
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52 | if (type & SEC_GENERIC_WRITE) {
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53 | typestr = talloc_asprintf_append(typestr,
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54 | "Generic write access ");
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55 | if (!typestr) {
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56 | return NULL;
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57 | }
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58 | }
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59 | if (type & SEC_GENERIC_READ) {
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60 | typestr = talloc_asprintf_append(typestr,
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61 | "Generic read access ");
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62 | if (!typestr) {
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63 | return NULL;
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64 | }
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65 | }
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66 | if (type & SEC_FLAG_MAXIMUM_ALLOWED) {
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67 | typestr = talloc_asprintf_append(typestr,
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68 | "MAXIMUM_ALLOWED_ACCESS ");
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69 | if (!typestr) {
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70 | return NULL;
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71 | }
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72 | }
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73 | if (type & SEC_FLAG_SYSTEM_SECURITY) {
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74 | typestr = talloc_asprintf_append(typestr,
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75 | "SYSTEM_SECURITY_ACCESS ");
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76 | if (!typestr) {
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77 | return NULL;
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78 | }
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79 | }
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80 | if (type & SEC_STD_SYNCHRONIZE) {
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81 | typestr = talloc_asprintf_append(typestr,
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82 | "SYNCHRONIZE_ACCESS ");
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83 | if (!typestr) {
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84 | return NULL;
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85 | }
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86 | }
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87 | if (type & SEC_STD_WRITE_OWNER) {
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88 | typestr = talloc_asprintf_append(typestr,
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89 | "WRITE_OWNER_ACCESS ");
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90 | if (!typestr) {
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91 | return NULL;
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92 | }
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93 | }
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94 | if (type & SEC_STD_WRITE_DAC) {
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95 | typestr = talloc_asprintf_append(typestr,
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96 | "WRITE_DAC_ACCESS ");
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97 | if (!typestr) {
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98 | return NULL;
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99 | }
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100 | }
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101 | if (type & SEC_STD_READ_CONTROL) {
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102 | typestr = talloc_asprintf_append(typestr,
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103 | "READ_CONTROL_ACCESS ");
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104 | if (!typestr) {
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105 | return NULL;
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106 | }
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107 | }
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108 | if (type & SEC_STD_DELETE) {
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109 | typestr = talloc_asprintf_append(typestr,
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110 | "DELETE_ACCESS ");
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111 | if (!typestr) {
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112 | return NULL;
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113 | }
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114 | }
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115 |
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116 | printf("\t\tSpecific bits: 0x%lx\n", (unsigned long)type&SEC_MASK_SPECIFIC);
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117 |
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118 | return typestr;
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119 | }
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120 |
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121 | /****************************************************************************
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122 | display sec_access structure
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123 | ****************************************************************************/
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124 | void display_sec_access(uint32_t *info)
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125 | {
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126 | char *mask_str = get_sec_mask_str(NULL, *info);
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127 | printf("\t\tPermissions: 0x%x: %s\n", *info, mask_str ? mask_str : "");
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128 | talloc_free(mask_str);
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129 | }
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130 |
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131 | /****************************************************************************
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132 | display sec_ace flags
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133 | ****************************************************************************/
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134 | void display_sec_ace_flags(uint8_t flags)
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135 | {
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136 | if (flags & SEC_ACE_FLAG_OBJECT_INHERIT)
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137 | printf("SEC_ACE_FLAG_OBJECT_INHERIT ");
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138 | if (flags & SEC_ACE_FLAG_CONTAINER_INHERIT)
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139 | printf(" SEC_ACE_FLAG_CONTAINER_INHERIT ");
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140 | if (flags & SEC_ACE_FLAG_NO_PROPAGATE_INHERIT)
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141 | printf("SEC_ACE_FLAG_NO_PROPAGATE_INHERIT ");
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142 | if (flags & SEC_ACE_FLAG_INHERIT_ONLY)
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143 | printf("SEC_ACE_FLAG_INHERIT_ONLY ");
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144 | if (flags & SEC_ACE_FLAG_INHERITED_ACE)
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145 | printf("SEC_ACE_FLAG_INHERITED_ACE ");
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146 | /* if (flags & SEC_ACE_FLAG_VALID_INHERIT)
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147 | printf("SEC_ACE_FLAG_VALID_INHERIT "); */
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148 | if (flags & SEC_ACE_FLAG_SUCCESSFUL_ACCESS)
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149 | printf("SEC_ACE_FLAG_SUCCESSFUL_ACCESS ");
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150 | if (flags & SEC_ACE_FLAG_FAILED_ACCESS)
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151 | printf("SEC_ACE_FLAG_FAILED_ACCESS ");
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152 |
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153 | printf("\n");
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154 | }
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155 |
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156 | /****************************************************************************
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157 | display sec_ace object
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158 | ****************************************************************************/
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159 | static void disp_sec_ace_object(struct security_ace_object *object)
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160 | {
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161 | char *str;
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162 | if (object->flags & SEC_ACE_OBJECT_TYPE_PRESENT) {
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163 | str = GUID_string(NULL, &object->type.type);
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164 | if (str == NULL) return;
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165 | printf("Object type: SEC_ACE_OBJECT_TYPE_PRESENT\n");
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166 | printf("Object GUID: %s\n", str);
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167 | talloc_free(str);
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168 | }
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169 | if (object->flags & SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT) {
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170 | str = GUID_string(NULL, &object->inherited_type.inherited_type);
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171 | if (str == NULL) return;
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172 | printf("Object type: SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT\n");
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173 | printf("Object GUID: %s\n", str);
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174 | talloc_free(str);
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175 | }
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176 | }
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177 |
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178 | /****************************************************************************
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179 | display sec_ace structure
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180 | ****************************************************************************/
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181 | void display_sec_ace(struct security_ace *ace)
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182 | {
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183 | char *sid_str;
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184 |
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185 | printf("\tACE\n\t\ttype: ");
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186 | switch (ace->type) {
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187 | case SEC_ACE_TYPE_ACCESS_ALLOWED:
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188 | printf("ACCESS ALLOWED");
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189 | break;
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190 | case SEC_ACE_TYPE_ACCESS_DENIED:
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191 | printf("ACCESS DENIED");
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192 | break;
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193 | case SEC_ACE_TYPE_SYSTEM_AUDIT:
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194 | printf("SYSTEM AUDIT");
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195 | break;
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196 | case SEC_ACE_TYPE_SYSTEM_ALARM:
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197 | printf("SYSTEM ALARM");
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198 | break;
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199 | case SEC_ACE_TYPE_ALLOWED_COMPOUND:
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200 | printf("SEC_ACE_TYPE_ALLOWED_COMPOUND");
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201 | break;
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202 | case SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT:
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203 | printf("SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT");
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204 | break;
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205 | case SEC_ACE_TYPE_ACCESS_DENIED_OBJECT:
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206 | printf("SEC_ACE_TYPE_ACCESS_DENIED_OBJECT");
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207 | break;
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208 | case SEC_ACE_TYPE_SYSTEM_AUDIT_OBJECT:
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209 | printf("SEC_ACE_TYPE_SYSTEM_AUDIT_OBJECT");
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210 | break;
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211 | case SEC_ACE_TYPE_SYSTEM_ALARM_OBJECT:
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212 | printf("SEC_ACE_TYPE_SYSTEM_ALARM_OBJECT");
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213 | break;
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214 | default:
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215 | printf("????");
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216 | break;
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217 | }
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218 |
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219 | printf(" (%d) flags: 0x%02x ", ace->type, ace->flags);
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220 | display_sec_ace_flags(ace->flags);
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221 | display_sec_access(&ace->access_mask);
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222 | sid_str = dom_sid_string(NULL, &ace->trustee);
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223 | printf("\t\tSID: %s\n\n", sid_str);
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224 | talloc_free(sid_str);
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225 |
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226 | if (sec_ace_object(ace->type)) {
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227 | disp_sec_ace_object(&ace->object.object);
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228 | }
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229 |
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230 | }
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231 |
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232 | /****************************************************************************
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233 | display sec_acl structure
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234 | ****************************************************************************/
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235 | void display_sec_acl(struct security_acl *sec_acl)
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236 | {
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237 | uint32_t i;
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238 |
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239 | printf("\tACL\tNum ACEs:\t%u\trevision:\t%x\n",
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240 | sec_acl->num_aces, sec_acl->revision);
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241 | printf("\t---\n");
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242 |
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243 | if (sec_acl->size != 0 && sec_acl->num_aces != 0) {
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244 | for (i = 0; i < sec_acl->num_aces; i++) {
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245 | display_sec_ace(&sec_acl->aces[i]);
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246 | }
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247 | }
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248 | }
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249 |
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250 | void display_acl_type(uint16_t type)
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251 | {
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252 | printf("type: 0x%04x: ", type);
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253 |
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254 | if (type & SEC_DESC_OWNER_DEFAULTED) /* 0x0001 */
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255 | printf("SEC_DESC_OWNER_DEFAULTED ");
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256 | if (type & SEC_DESC_GROUP_DEFAULTED) /* 0x0002 */
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257 | printf("SEC_DESC_GROUP_DEFAULTED ");
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258 | if (type & SEC_DESC_DACL_PRESENT) /* 0x0004 */
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259 | printf("SEC_DESC_DACL_PRESENT ");
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260 | if (type & SEC_DESC_DACL_DEFAULTED) /* 0x0008 */
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261 | printf("SEC_DESC_DACL_DEFAULTED ");
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262 | if (type & SEC_DESC_SACL_PRESENT) /* 0x0010 */
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263 | printf("SEC_DESC_SACL_PRESENT ");
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264 | if (type & SEC_DESC_SACL_DEFAULTED) /* 0x0020 */
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265 | printf("SEC_DESC_SACL_DEFAULTED ");
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266 | if (type & SEC_DESC_DACL_TRUSTED) /* 0x0040 */
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267 | printf("SEC_DESC_DACL_TRUSTED ");
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268 | if (type & SEC_DESC_SERVER_SECURITY) /* 0x0080 */
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269 | printf("SEC_DESC_SERVER_SECURITY ");
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270 | if (type & SEC_DESC_DACL_AUTO_INHERIT_REQ) /* 0x0100 */
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271 | printf("SEC_DESC_DACL_AUTO_INHERIT_REQ ");
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272 | if (type & SEC_DESC_SACL_AUTO_INHERIT_REQ) /* 0x0200 */
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273 | printf("SEC_DESC_SACL_AUTO_INHERIT_REQ ");
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274 | if (type & SEC_DESC_DACL_AUTO_INHERITED) /* 0x0400 */
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275 | printf("SEC_DESC_DACL_AUTO_INHERITED ");
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276 | if (type & SEC_DESC_SACL_AUTO_INHERITED) /* 0x0800 */
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277 | printf("SEC_DESC_SACL_AUTO_INHERITED ");
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278 | if (type & SEC_DESC_DACL_PROTECTED) /* 0x1000 */
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279 | printf("SEC_DESC_DACL_PROTECTED ");
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280 | if (type & SEC_DESC_SACL_PROTECTED) /* 0x2000 */
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281 | printf("SEC_DESC_SACL_PROTECTED ");
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282 | if (type & SEC_DESC_RM_CONTROL_VALID) /* 0x4000 */
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283 | printf("SEC_DESC_RM_CONTROL_VALID ");
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284 | if (type & SEC_DESC_SELF_RELATIVE) /* 0x8000 */
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285 | printf("SEC_DESC_SELF_RELATIVE ");
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286 |
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287 | printf("\n");
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288 | }
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289 |
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290 | /****************************************************************************
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291 | display sec_desc structure
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292 | ****************************************************************************/
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293 | void display_sec_desc(struct security_descriptor *sec)
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294 | {
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295 | char *sid_str;
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296 |
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297 | if (!sec) {
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298 | printf("NULL\n");
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299 | return;
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300 | }
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301 |
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302 | printf("revision: %d\n", sec->revision);
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303 | display_acl_type(sec->type);
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304 |
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305 | if (sec->sacl) {
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306 | printf("SACL\n");
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307 | display_sec_acl(sec->sacl);
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308 | }
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309 |
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310 | if (sec->dacl) {
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311 | printf("DACL\n");
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312 | display_sec_acl(sec->dacl);
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313 | }
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314 |
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315 | if (sec->owner_sid) {
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316 | sid_str = dom_sid_string(NULL, sec->owner_sid);
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317 | printf("\tOwner SID:\t%s\n", sid_str);
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318 | talloc_free(sid_str);
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319 | }
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320 |
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321 | if (sec->group_sid) {
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322 | sid_str = dom_sid_string(NULL, sec->group_sid);
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323 | printf("\tGroup SID:\t%s\n", sid_str);
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324 | talloc_free(sid_str);
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325 | }
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326 | }
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