Mohammad Azim Khan | fff4904 | 2017-03-28 01:48:31 +0100 | [diff] [blame] | 1 | #line 2 "embedded_test.function" |
| 2 | |
Azim Khan | 3e5d000 | 2017-06-05 13:16:10 +0100 | [diff] [blame^] | 3 | #include "greentea-client/test_env.h" |
Mohammad Azim Khan | fff4904 | 2017-03-28 01:48:31 +0100 | [diff] [blame] | 4 | |
| 5 | /** |
| 6 | * \brief Increments pointer and asserts that it does not overflow. |
| 7 | * |
| 8 | * \param p Pointer to byte array |
| 9 | * \param start Pointer to start of byte array |
| 10 | * \param len Length of byte array |
| 11 | * \param step Increment size |
| 12 | * |
| 13 | */ |
| 14 | #define INCR_ASSERT(p, start, len, step) do \ |
| 15 | { \ |
| 16 | assert( p >= start ); \ |
| 17 | assert( sizeof( *p ) == sizeof( *start ) ); \ |
| 18 | /* <= is checked to support use inside a loop where \ |
| 19 | pointer is incremented after reading data. */ \ |
| 20 | assert( (uint32_t)( (p - start) + step ) <= len ); \ |
| 21 | p += step; \ |
| 22 | } \ |
| 23 | while( 0 ) |
| 24 | |
| 25 | |
| 26 | /** |
| 27 | * \brief 4 byte align unsigned char pointer |
| 28 | * |
| 29 | * \param p Pointer to byte array |
| 30 | * \param start Pointer to start of byte array |
| 31 | * \param len Length of byte array |
| 32 | * |
| 33 | */ |
| 34 | #define ALIGN_32BIT(p, start, len) do \ |
| 35 | { \ |
| 36 | uint32_t align = ( - (uintptr_t)p ) % 4; \ |
| 37 | INCR_ASSERT(p, start, len, align); \ |
| 38 | } \ |
| 39 | while( 0 ) |
| 40 | |
| 41 | |
| 42 | /** |
| 43 | * \brief Verify dependencies. Dependency identifiers are |
| 44 | * encoded in the buffer as 8 bit unsigned integers. |
| 45 | * |
| 46 | * \param count Number of dependencies. |
| 47 | * \param dep_p Pointer to buffer. |
| 48 | * |
| 49 | * \return DEPENDENCY_SUPPORTED if success else DEPENDENCY_NOT_SUPPORTED. |
| 50 | */ |
| 51 | int verify_dependencies( uint8_t count, uint8_t * dep_p ) |
| 52 | { |
| 53 | uint8_t i; |
| 54 | for ( i = 0; i < count; i++ ) |
| 55 | { |
| 56 | if ( dep_check( (int)(dep_p[i]) ) != DEPENDENCY_SUPPORTED ) |
| 57 | return( DEPENDENCY_NOT_SUPPORTED ); |
| 58 | } |
| 59 | return( DEPENDENCY_SUPPORTED ); |
| 60 | } |
| 61 | |
| 62 | |
| 63 | /** |
| 64 | * \brief Receives unsigned integer on serial interface. |
| 65 | * Integers are encoded in network order. |
| 66 | * |
| 67 | * \param none |
| 68 | * |
| 69 | * \return unsigned int |
| 70 | */ |
| 71 | uint32_t receive_uint32() |
| 72 | { |
| 73 | uint32_t value; |
| 74 | value = (uint8_t)greentea_getc() << 24; |
| 75 | value |= (uint8_t)greentea_getc() << 16; |
| 76 | value |= (uint8_t)greentea_getc() << 8; |
| 77 | value |= (uint8_t)greentea_getc(); |
| 78 | return( (uint32_t)value ); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * \brief Parses out an unsigned 32 int value from the byte array. |
| 83 | * Integers are encoded in network order. |
| 84 | * |
| 85 | * \param p Pointer to byte array |
| 86 | * |
| 87 | * \return unsigned int |
| 88 | */ |
| 89 | uint32_t parse_uint32( uint8_t * p ) |
| 90 | { |
| 91 | uint32_t value; |
| 92 | value = *p++ << 24; |
| 93 | value |= *p++ << 16; |
| 94 | value |= *p++ << 8; |
| 95 | value |= *p; |
| 96 | return( value ); |
| 97 | } |
| 98 | |
| 99 | |
| 100 | /** |
| 101 | * \brief Receives test data on serial as greentea key,value pair: |
| 102 | * {{<length>;<byte array>}} |
| 103 | * |
| 104 | * \param data_len Out pointer to hold received data length. |
| 105 | * |
| 106 | * \return Byte array. |
| 107 | */ |
| 108 | uint8_t * receive_data( uint32_t * data_len ) |
| 109 | { |
| 110 | uint32_t i = 0, errors = 0; |
| 111 | char c; |
| 112 | uint8_t * data = NULL; |
| 113 | |
| 114 | /* Read opening braces */ |
| 115 | i = 0; |
| 116 | while ( i < 2 ) |
| 117 | { |
| 118 | c = greentea_getc(); |
| 119 | /* Ignore any prevous CR LF characters */ |
| 120 | if ( c == '\n' || c == '\r' ) |
| 121 | continue; |
| 122 | i++; |
| 123 | if ( c != '{' ) |
| 124 | return( NULL ); |
| 125 | } |
| 126 | |
| 127 | /* Read data length */ |
| 128 | *data_len = receive_uint32(); |
| 129 | data = (uint8_t *)malloc( *data_len ); |
| 130 | assert( data != NULL ); |
| 131 | |
| 132 | greentea_getc(); // read ';' received after key i.e. *data_len |
| 133 | |
| 134 | for( i = 0; i < *data_len; i++ ) |
| 135 | data[i] = greentea_getc(); |
| 136 | |
| 137 | /* Read closing braces */ |
| 138 | for( i = 0; i < 2; i++ ) |
| 139 | { |
| 140 | c = greentea_getc(); |
| 141 | if ( c != '}' ) |
| 142 | { |
| 143 | errors++; |
| 144 | break; |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | if ( errors ) |
| 149 | { |
| 150 | free( data ); |
| 151 | data = NULL; |
| 152 | *data_len = 0; |
| 153 | } |
| 154 | |
| 155 | return( data ); |
| 156 | } |
| 157 | |
| 158 | /** |
Azim Khan | d59391a | 2017-06-01 14:04:17 +0100 | [diff] [blame] | 159 | * \brief Parses received byte array and finds number of hex parameters. |
| 160 | * |
| 161 | * \param count Parameter count |
| 162 | * \param data Received Byte array |
| 163 | * \param data_len Byte array length |
| 164 | * |
| 165 | * \return count of hex params |
| 166 | */ |
| 167 | uint32_t find_hex_count( uint8_t count, uint8_t * data, uint32_t data_len ) |
| 168 | { |
| 169 | uint32_t i = 0, sz = 0; |
| 170 | char c; |
| 171 | uint8_t * p = NULL; |
| 172 | uint32_t hex_count = 0; |
| 173 | |
| 174 | p = data; |
| 175 | |
| 176 | for( i = 0; i < count; i++ ) |
| 177 | { |
| 178 | c = (char)*p; |
| 179 | INCR_ASSERT( p, data, data_len, 1 ); |
| 180 | |
| 181 | /* Align p to 4 bytes for int, expression, string len or hex length */ |
| 182 | ALIGN_32BIT( p, data, data_len ); |
| 183 | |
| 184 | /* Network to host conversion */ |
| 185 | sz = (int32_t)parse_uint32( p ); |
| 186 | |
| 187 | INCR_ASSERT( p, data, data_len, sizeof( int32_t ) ); |
| 188 | |
| 189 | if ( c == 'H' || c == 'S' ) |
| 190 | { |
| 191 | INCR_ASSERT( p, data, data_len, sz ); |
| 192 | hex_count += ( c == 'H' )?1:0; |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | return( hex_count ); |
| 197 | } |
| 198 | |
| 199 | /** |
Mohammad Azim Khan | fff4904 | 2017-03-28 01:48:31 +0100 | [diff] [blame] | 200 | * \brief Parses received byte array for test parameters. |
| 201 | * |
| 202 | * \param count Parameter count |
| 203 | * \param data Received Byte array |
| 204 | * \param data_len Byte array length |
| 205 | * \param error Parsing error out variable. |
| 206 | * |
| 207 | * \return Array of parsed parameters allocated on heap. |
| 208 | * Note: Caller has the responsibility to delete |
| 209 | * the memory after use. |
| 210 | */ |
| 211 | void ** parse_parameters( uint8_t count, uint8_t * data, uint32_t data_len, |
| 212 | int * error ) |
| 213 | { |
Azim Khan | d59391a | 2017-06-01 14:04:17 +0100 | [diff] [blame] | 214 | uint32_t i = 0, hex_count = 0; |
Mohammad Azim Khan | fff4904 | 2017-03-28 01:48:31 +0100 | [diff] [blame] | 215 | char c; |
| 216 | void ** params = NULL; |
| 217 | void ** cur = NULL; |
| 218 | uint8_t * p = NULL; |
| 219 | |
Azim Khan | d59391a | 2017-06-01 14:04:17 +0100 | [diff] [blame] | 220 | hex_count = find_hex_count(count, data, data_len); |
| 221 | |
| 222 | params = (void **)malloc( sizeof( void *) * ( count + hex_count ) ); |
Mohammad Azim Khan | fff4904 | 2017-03-28 01:48:31 +0100 | [diff] [blame] | 223 | assert( params != NULL ); |
Mohammad Azim Khan | fff4904 | 2017-03-28 01:48:31 +0100 | [diff] [blame] | 224 | cur = params; |
| 225 | |
| 226 | p = data; |
| 227 | |
| 228 | /* Parameters */ |
| 229 | for( i = 0; i < count; i++ ) |
| 230 | { |
| 231 | c = (char)*p; |
| 232 | INCR_ASSERT( p, data, data_len, 1 ); |
| 233 | |
| 234 | /* Align p to 4 bytes for int, expression, string len or hex length */ |
| 235 | ALIGN_32BIT( p, data, data_len ); |
| 236 | |
| 237 | /* Network to host conversion */ |
| 238 | *( (int32_t *)p ) = (int32_t)parse_uint32( p ); |
| 239 | |
| 240 | switch( c ) |
| 241 | { |
| 242 | case 'E': |
| 243 | { |
| 244 | if ( get_expression( *( (int32_t *)p ), (int32_t *)p ) ) |
| 245 | { |
| 246 | *error = KEY_VALUE_MAPPING_NOT_FOUND; |
| 247 | goto exit; |
| 248 | } |
| 249 | } /* Intentional fall through */ |
| 250 | case 'I': |
| 251 | { |
| 252 | *cur++ = (void *)p; |
| 253 | INCR_ASSERT( p, data, data_len, sizeof( int32_t ) ); |
| 254 | } |
| 255 | break; |
Azim Khan | d59391a | 2017-06-01 14:04:17 +0100 | [diff] [blame] | 256 | case 'H': /* Intentional fall through */ |
Mohammad Azim Khan | fff4904 | 2017-03-28 01:48:31 +0100 | [diff] [blame] | 257 | case 'S': |
| 258 | { |
Azim Khan | d59391a | 2017-06-01 14:04:17 +0100 | [diff] [blame] | 259 | uint32_t * sz = (uint32_t *)p; |
Mohammad Azim Khan | fff4904 | 2017-03-28 01:48:31 +0100 | [diff] [blame] | 260 | INCR_ASSERT( p, data, data_len, sizeof( int32_t ) ); |
| 261 | *cur++ = (void *)p; |
Azim Khan | d59391a | 2017-06-01 14:04:17 +0100 | [diff] [blame] | 262 | if ( c == 'H' ) |
| 263 | *cur++ = (void *)sz; |
| 264 | INCR_ASSERT( p, data, data_len, ( *sz ) ); |
Mohammad Azim Khan | fff4904 | 2017-03-28 01:48:31 +0100 | [diff] [blame] | 265 | } |
| 266 | break; |
| 267 | default: |
| 268 | { |
| 269 | *error = DISPATCH_INVALID_TEST_DATA; |
| 270 | goto exit; |
| 271 | } |
| 272 | break; |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | exit: |
| 277 | if ( *error ) |
| 278 | { |
| 279 | free( params ); |
| 280 | params = NULL; |
| 281 | } |
| 282 | |
| 283 | return( params ); |
| 284 | } |
| 285 | |
| 286 | /** |
| 287 | * \brief Sends greentea key and int value pair to host. |
| 288 | * |
| 289 | * \param key key string |
| 290 | * \param value integer value |
| 291 | * |
| 292 | * \return void |
| 293 | */ |
| 294 | void send_key_integer( char * key, int value ) |
| 295 | { |
| 296 | char str[50]; |
| 297 | snprintf( str, sizeof( str ), "%d", value ); |
Azim Khan | 0574632 | 2017-05-23 13:00:35 +0100 | [diff] [blame] | 298 | greentea_send_kv( key, str ); |
Mohammad Azim Khan | fff4904 | 2017-03-28 01:48:31 +0100 | [diff] [blame] | 299 | } |
| 300 | |
| 301 | /** |
| 302 | * \brief Sends test setup failure to the host. |
| 303 | * |
| 304 | * \param failure Test set failure |
| 305 | * |
| 306 | * \return void |
| 307 | */ |
| 308 | void send_failure( int failure ) |
| 309 | { |
| 310 | send_key_integer( "F", failure ); |
| 311 | } |
| 312 | |
| 313 | /** |
| 314 | * \brief Sends test status to the host. |
| 315 | * |
| 316 | * \param status Test status (PASS=0/FAIL=!0) |
| 317 | * |
| 318 | * \return void |
| 319 | */ |
| 320 | void send_status( int status ) |
| 321 | { |
| 322 | send_key_integer( "R", status ); |
| 323 | } |
| 324 | |
| 325 | |
| 326 | /** |
| 327 | * \brief Embedded implementation of execute_tests(). |
| 328 | * Ignores command line and received test data |
| 329 | * on serial. |
| 330 | * |
| 331 | * \param argc not used |
| 332 | * \param argv not used |
| 333 | * |
| 334 | * \return Program exit status. |
| 335 | */ |
| 336 | int execute_tests( int args, const char ** argv ) |
| 337 | { |
| 338 | int ret = 0; |
| 339 | uint32_t data_len = 0; |
| 340 | uint8_t count = 0, function_id; |
| 341 | void ** params = NULL; |
| 342 | uint8_t * data = NULL, * p = NULL; |
| 343 | |
Azim Khan | 0574632 | 2017-05-23 13:00:35 +0100 | [diff] [blame] | 344 | GREENTEA_SETUP( 180, "mbedtls_test" ); |
| 345 | greentea_send_kv( "GO", " " ); |
Mohammad Azim Khan | fff4904 | 2017-03-28 01:48:31 +0100 | [diff] [blame] | 346 | |
| 347 | while ( 1 ) |
| 348 | { |
| 349 | ret = 0; |
| 350 | test_info.failed = 0; |
| 351 | data_len = 0; |
| 352 | |
| 353 | data = receive_data( &data_len ); |
| 354 | if ( data == NULL ) |
| 355 | continue; |
| 356 | p = data; |
| 357 | |
| 358 | do |
| 359 | { |
| 360 | /* Read dependency count */ |
| 361 | count = *p; |
| 362 | assert( count < data_len ); |
| 363 | INCR_ASSERT( p, data, data_len, sizeof( uint8_t ) ); |
| 364 | ret = verify_dependencies( count, p ); |
| 365 | if ( ret != DEPENDENCY_SUPPORTED ) |
| 366 | break; |
| 367 | |
Azim Khan | d59391a | 2017-06-01 14:04:17 +0100 | [diff] [blame] | 368 | if ( count ) |
| 369 | INCR_ASSERT( p, data, data_len, count ); |
Mohammad Azim Khan | fff4904 | 2017-03-28 01:48:31 +0100 | [diff] [blame] | 370 | |
| 371 | /* Read function id */ |
| 372 | function_id = *p; |
| 373 | INCR_ASSERT( p, data, data_len, sizeof( uint8_t ) ); |
| 374 | |
| 375 | /* Read number of parameters */ |
| 376 | count = *p; |
| 377 | INCR_ASSERT( p, data, data_len, sizeof( uint8_t ) ); |
| 378 | |
Azim Khan | d59391a | 2017-06-01 14:04:17 +0100 | [diff] [blame] | 379 | /* Parse parameters if present */ |
| 380 | if ( count ) |
| 381 | { |
| 382 | params = parse_parameters( count, p, data_len - ( p - data ), &ret ); |
| 383 | if ( ret ) |
| 384 | break; |
| 385 | } |
Mohammad Azim Khan | fff4904 | 2017-03-28 01:48:31 +0100 | [diff] [blame] | 386 | |
| 387 | ret = dispatch_test( function_id, params ); |
| 388 | } |
| 389 | while ( 0 ); |
| 390 | |
| 391 | if ( data ) |
| 392 | { |
| 393 | free(data); |
| 394 | data = NULL; |
| 395 | } |
| 396 | |
| 397 | if ( params ) |
| 398 | { |
| 399 | free( params ); |
| 400 | params = NULL; |
| 401 | } |
| 402 | |
| 403 | if ( ret ) |
| 404 | send_failure( ret ); |
| 405 | else |
| 406 | send_status( test_info.failed ); |
| 407 | } |
| 408 | return( 0 ); |
| 409 | } |
| 410 | |