[196] | 1 | /* |
---|
| 2 | ** regfi.c |
---|
| 3 | ** |
---|
| 4 | ** Made by (mic) |
---|
| 5 | ** Login <mic@laptop> |
---|
| 6 | ** |
---|
| 7 | ** Started on Fri Apr 30 02:06:28 2010 mic |
---|
| 8 | ** Last update Sun May 12 01:17:25 2002 Speed Blue |
---|
| 9 | */ |
---|
| 10 | |
---|
| 11 | #include "pyregfi.h" |
---|
| 12 | |
---|
| 13 | static int RegistryFile_dest(void *self) { |
---|
| 14 | RegistryFile this = (RegistryFile)self; |
---|
| 15 | |
---|
| 16 | regfi_free(this->reg); |
---|
| 17 | close(this->fd); |
---|
| 18 | |
---|
| 19 | return 0; |
---|
| 20 | }; |
---|
| 21 | |
---|
| 22 | static RegistryFile RegistryFile_Con(RegistryFile self, char *filename) { |
---|
| 23 | self->fd = open(filename, O_RDONLY); |
---|
| 24 | if(self->fd < 0) { |
---|
| 25 | RaiseError(EIOError, "Unable to open %s", filename); |
---|
| 26 | goto error; |
---|
| 27 | }; |
---|
| 28 | |
---|
| 29 | self->reg = regfi_alloc(self->fd); |
---|
| 30 | |
---|
| 31 | if(!self->reg) { |
---|
| 32 | RaiseError(ERuntimeError, "REGFI Error: %s", regfi_log_get_str()); |
---|
| 33 | goto error; |
---|
| 34 | }; |
---|
| 35 | |
---|
| 36 | talloc_set_destructor((void *)self, RegistryFile_dest); |
---|
| 37 | return self; |
---|
| 38 | |
---|
| 39 | error: |
---|
| 40 | talloc_free(self); |
---|
| 41 | return NULL; |
---|
| 42 | }; |
---|
| 43 | |
---|
| 44 | static KeyIterator RegistryFile_get_key(RegistryFile self, char **path, REGFI_ENCODING encoding) { |
---|
| 45 | return CONSTRUCT(KeyIterator, KeyIterator, Con, NULL, self, path, encoding); |
---|
| 46 | }; |
---|
| 47 | |
---|
| 48 | |
---|
| 49 | VIRTUAL(RegistryFile, Object) { |
---|
| 50 | VMETHOD(Con) = RegistryFile_Con; |
---|
| 51 | VMETHOD(get_key) = RegistryFile_get_key; |
---|
| 52 | } END_VIRTUAL |
---|
| 53 | |
---|
| 54 | static int KeyIterator_dest(void *self) { |
---|
| 55 | KeyIterator this = (KeyIterator)self; |
---|
| 56 | |
---|
| 57 | regfi_iterator_free(this->iter); |
---|
| 58 | if(this->next_item) { |
---|
| 59 | regfi_free_record(this->next_item); |
---|
| 60 | }; |
---|
| 61 | |
---|
| 62 | return 0; |
---|
| 63 | }; |
---|
| 64 | |
---|
| 65 | static KeyIterator KeyIterator_Con(KeyIterator self, RegistryFile file, char **path, |
---|
| 66 | REGFI_ENCODING encoding) { |
---|
| 67 | self->iter = regfi_iterator_new(file->reg, encoding); |
---|
| 68 | |
---|
| 69 | if(!self->iter) { |
---|
| 70 | RaiseError(ERuntimeError, "Error: %s", regfi_log_get_str()); |
---|
| 71 | goto error; |
---|
| 72 | }; |
---|
| 73 | |
---|
| 74 | talloc_set_destructor((void*)self, KeyIterator_dest); |
---|
| 75 | |
---|
| 76 | // Traverse to the path |
---|
| 77 | if(path[0]) { |
---|
| 78 | if(!regfi_iterator_walk_path(self->iter, (const char **)path)) { |
---|
| 79 | RaiseError(ERuntimeError, "Unable to walk down key path"); |
---|
| 80 | goto error; |
---|
| 81 | }; |
---|
| 82 | }; |
---|
| 83 | |
---|
| 84 | // Get the first key in the list |
---|
| 85 | self->next_item = regfi_iterator_first_subkey(self->iter); |
---|
| 86 | |
---|
| 87 | return self; |
---|
| 88 | error: |
---|
| 89 | return NULL; |
---|
| 90 | }; |
---|
| 91 | |
---|
| 92 | static void KeyIterator__iter__(KeyIterator self) { |
---|
| 93 | if(self->next_item) { |
---|
| 94 | regfi_free_record(self->next_item); |
---|
| 95 | }; |
---|
| 96 | |
---|
| 97 | self->next_item = regfi_iterator_first_subkey(self->iter); |
---|
| 98 | }; |
---|
| 99 | |
---|
| 100 | static REGFI_NK_REC *KeyIterator_next(KeyIterator self) { |
---|
| 101 | const REGFI_NK_REC * result; |
---|
| 102 | |
---|
| 103 | if(!self->next_item) return NULL; |
---|
| 104 | |
---|
| 105 | result = self->next_item; |
---|
| 106 | |
---|
| 107 | self->next_item = regfi_iterator_next_subkey(self->iter); |
---|
| 108 | |
---|
| 109 | return result; |
---|
| 110 | }; |
---|
| 111 | |
---|
| 112 | static ValueIterator KeyIterator_list_values(KeyIterator self) { |
---|
| 113 | return CONSTRUCT(ValueIterator, ValueIterator, Con, NULL, self); |
---|
| 114 | }; |
---|
| 115 | |
---|
| 116 | VIRTUAL(KeyIterator, Object) { |
---|
| 117 | VMETHOD(Con) = KeyIterator_Con; |
---|
| 118 | VMETHOD(iternext) = KeyIterator_next; |
---|
| 119 | VMETHOD(__iter__) = KeyIterator__iter__; |
---|
| 120 | VMETHOD(list_values) = KeyIterator_list_values; |
---|
| 121 | } END_VIRTUAL |
---|
| 122 | |
---|
| 123 | static int ValueIterator_dest(void *self) { |
---|
| 124 | ValueIterator this = (ValueIterator)self; |
---|
| 125 | |
---|
| 126 | if(this->next_item) regfi_free_record(this->next_item); |
---|
| 127 | |
---|
| 128 | return 0; |
---|
| 129 | }; |
---|
| 130 | |
---|
| 131 | static ValueIterator ValueIterator_Con(ValueIterator self, KeyIterator key) { |
---|
| 132 | // Take a copy of the iterator |
---|
| 133 | self->iter = key->iter; |
---|
| 134 | talloc_reference(self, self->iter); |
---|
| 135 | |
---|
| 136 | self->next_item = regfi_iterator_first_value(self->iter); |
---|
| 137 | |
---|
| 138 | talloc_set_destructor((void *)self, ValueIterator_dest); |
---|
| 139 | |
---|
| 140 | return self; |
---|
| 141 | }; |
---|
| 142 | |
---|
| 143 | static void ValueIterator__iter__(ValueIterator self) { |
---|
| 144 | if(self->next_item) regfi_free_record(self->next_item); |
---|
| 145 | |
---|
| 146 | self->next_item = regfi_iterator_first_value(self->iter); |
---|
| 147 | }; |
---|
| 148 | |
---|
| 149 | static RawData ValueIterator_iternext(ValueIterator self) { |
---|
| 150 | RawData result; |
---|
| 151 | REGFI_DATA *data; |
---|
| 152 | REGFI_VK_REC *rec = (REGFI_VK_REC *)self->next_item; |
---|
| 153 | |
---|
| 154 | if(!rec) return NULL; |
---|
| 155 | |
---|
| 156 | data = (REGFI_DATA *)regfi_iterator_fetch_data(self->iter, rec); |
---|
| 157 | if(!data) { |
---|
| 158 | RaiseError(ERuntimeError, "Unable to fetch data: %s", regfi_log_get_str()); |
---|
| 159 | goto error; |
---|
| 160 | }; |
---|
| 161 | |
---|
| 162 | switch(self->next_item->type) { |
---|
| 163 | case REG_EXPAND_SZ: |
---|
| 164 | case REG_SZ: |
---|
| 165 | result = (RawData)CONSTRUCT(DataString, RawData, Con, NULL, data, rec); |
---|
| 166 | break; |
---|
| 167 | |
---|
| 168 | case REG_DWORD: |
---|
| 169 | result = (RawData)CONSTRUCT(DWORDData, RawData, Con, NULL, data, rec); |
---|
| 170 | break; |
---|
| 171 | |
---|
| 172 | case REG_BINARY: |
---|
| 173 | default: |
---|
| 174 | result = (RawData)CONSTRUCT(RawData, RawData, Con, NULL, data, rec); |
---|
| 175 | break; |
---|
| 176 | }; |
---|
| 177 | |
---|
| 178 | |
---|
| 179 | /* if(self->next_item) { |
---|
| 180 | regfi_free_record(self->next_item); |
---|
| 181 | }; |
---|
| 182 | */ |
---|
| 183 | |
---|
| 184 | self->next_item = regfi_iterator_next_value(self->iter); |
---|
| 185 | |
---|
| 186 | return result; |
---|
| 187 | error: |
---|
| 188 | talloc_free(self); |
---|
| 189 | return NULL; |
---|
| 190 | }; |
---|
| 191 | |
---|
| 192 | VIRTUAL(ValueIterator, Object) { |
---|
| 193 | VMETHOD(Con) = ValueIterator_Con; |
---|
| 194 | VMETHOD(__iter__) = ValueIterator__iter__; |
---|
| 195 | VMETHOD(iternext) = ValueIterator_iternext; |
---|
| 196 | } END_VIRTUAL |
---|
| 197 | |
---|
| 198 | static int RawData_dest(void *self) { |
---|
| 199 | RawData this = (RawData)self; |
---|
| 200 | |
---|
| 201 | if(this->data) { |
---|
| 202 | regfi_free_record(this->data); |
---|
| 203 | }; |
---|
| 204 | |
---|
| 205 | if(this->rec) { |
---|
| 206 | regfi_free_record(this->rec); |
---|
| 207 | }; |
---|
| 208 | |
---|
| 209 | return 0; |
---|
| 210 | }; |
---|
| 211 | |
---|
| 212 | static RawData RawData_Con(RawData self, REGFI_DATA *data, REGFI_VK_REC *record) { |
---|
| 213 | self->rec = record; |
---|
| 214 | self->data = data; |
---|
| 215 | |
---|
| 216 | talloc_set_destructor((void *)self, RawData_dest); |
---|
| 217 | |
---|
| 218 | return self; |
---|
| 219 | }; |
---|
| 220 | |
---|
| 221 | static int RawData_get_value(RawData self, char *buff, int len) { |
---|
| 222 | int available_to_read = min(len, self->data->interpreted_size); |
---|
| 223 | |
---|
| 224 | memcpy(buff, self->data->raw, available_to_read); |
---|
| 225 | |
---|
| 226 | return available_to_read; |
---|
| 227 | }; |
---|
| 228 | |
---|
| 229 | VIRTUAL(RawData, Object) { |
---|
| 230 | VMETHOD(Con) = RawData_Con; |
---|
| 231 | VMETHOD(get_value) = RawData_get_value; |
---|
| 232 | } END_VIRTUAL |
---|
| 233 | |
---|
| 234 | static char *DataString_get_value(DataString self) { |
---|
| 235 | RawData this = (RawData)self; |
---|
| 236 | |
---|
| 237 | return this->data->interpreted.string; |
---|
| 238 | }; |
---|
| 239 | |
---|
| 240 | VIRTUAL(DataString, RawData) { |
---|
| 241 | VMETHOD(get_value) = DataString_get_value; |
---|
| 242 | } END_VIRTUAL |
---|
| 243 | |
---|
| 244 | static uint64_t DWORDData_get_value(DWORDData self) { |
---|
| 245 | RawData this = (RawData)self; |
---|
| 246 | |
---|
| 247 | return this->data->interpreted.dword; |
---|
| 248 | }; |
---|
| 249 | |
---|
| 250 | VIRTUAL(DWORDData, RawData) { |
---|
| 251 | VMETHOD(get_value) = DWORDData_get_value; |
---|
| 252 | } END_VIRTUAL |
---|
| 253 | |
---|
| 254 | void pyregfi_init() { |
---|
| 255 | INIT_CLASS(RegistryFile); |
---|
| 256 | |
---|
| 257 | }; |
---|