diff --git a/include/interface.h b/include/interface.h index 9d4a95ad2..43cf9e770 100644 --- a/include/interface.h +++ b/include/interface.h @@ -1020,12 +1020,6 @@ typedef struct hccapx hccapx_t; typedef enum display_len { - DISPLAY_LEN_MIN_6300 = 6 + 1 + 8 + 22, - DISPLAY_LEN_MAX_6300 = 6 + 1 + 48 + 22, - DISPLAY_LEN_MIN_6400 = 9 + 2 + 1 + 16 + 1 + 43, - DISPLAY_LEN_MAX_6400 = 9 + 2 + 1 + 48 + 1 + 43, - DISPLAY_LEN_MIN_6500 = 9 + 2 + 1 + 16 + 1 + 86, - DISPLAY_LEN_MAX_6500 = 9 + 2 + 1 + 48 + 1 + 86, DISPLAY_LEN_MIN_6600 = 1 + 1 + 16 + 1 + 2080, DISPLAY_LEN_MAX_6600 = 6 + 1 + 16 + 1 + 2080, DISPLAY_LEN_MIN_6700 = 7 + 2 + 1 + 16 + 1 + 27, diff --git a/src/interface.c b/src/interface.c index 6dbb24457..1ad4d9623 100644 --- a/src/interface.c +++ b/src/interface.c @@ -7031,31 +7031,50 @@ int veracrypt_parse_hash_655331 (u8 *input_buf, u32 input_len, hash_t *hash_buf, int md5aix_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig) { - if ((input_len < DISPLAY_LEN_MIN_6300) || (input_len > DISPLAY_LEN_MAX_6300)) return (PARSER_GLOBAL_LENGTH); - - if (memcmp (SIGNATURE_MD5AIX, input_buf, 6) != 0) return (PARSER_SIGNATURE_UNMATCHED); - u32 *digest = (u32 *) hash_buf->digest; salt_t *salt = hash_buf->salt; - u8 *salt_pos = input_buf + 6; + token_t token; - u8 *hash_pos = (u8 *) strchr ((const char *) salt_pos, '$'); + token.token_cnt = 3; - if (hash_pos == NULL) return (PARSER_SEPARATOR_UNMATCHED); + token.signatures_cnt = 1; + token.signatures_buf[0] = SIGNATURE_MD5AIX; - u32 salt_len = hash_pos - salt_pos; + token.len[0] = 6; + token.attr[0] = TOKEN_ATTR_FIXED_LENGTH + | TOKEN_ATTR_VERIFY_SIGNATURE; - if (salt_len < 8) return (PARSER_SALT_LENGTH); + token.len_min[1] = 0; + token.len_max[1] = 8; + token.sep[1] = '$'; + token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH + | TOKEN_ATTR_OPTIONAL_ROUNDS; - memcpy ((u8 *) salt->salt_buf, salt_pos, salt_len); + token.len[2] = 22; + token.attr[2] = TOKEN_ATTR_FIXED_LENGTH + | TOKEN_ATTR_VERIFY_BASE64B; - salt->salt_len = salt_len; + const int rc_tokenizer = input_tokenizer (input_buf, input_len, &token); - salt->salt_iter = 1000; + if (rc_tokenizer != PARSER_OK) return (rc_tokenizer); - hash_pos++; + salt->salt_iter = ROUNDS_MD5CRYPT; + + if (token.opt_len != -1) + { + salt->salt_iter = hc_strtoul ((const char *) token.opt_buf + 7, NULL, 10); // 7 = "rounds=" + } + + u8 *salt_pos = token.buf[1]; + int salt_len = token.len[1]; + + const bool parse_rc = parse_and_store_generic_salt ((u8 *) salt->salt_buf, (int *) &salt->salt_len, salt_pos, salt_len, hashconfig); + + if (parse_rc == false) return (PARSER_SALT_LENGTH); + + u8 *hash_pos = token.buf[2]; md5crypt_decode ((u8 *) digest, hash_pos); @@ -7113,33 +7132,40 @@ int sha1aix_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UN int sha256aix_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig) { - if ((input_len < DISPLAY_LEN_MIN_6400) || (input_len > DISPLAY_LEN_MAX_6400)) return (PARSER_GLOBAL_LENGTH); - - if (memcmp (SIGNATURE_SHA256AIX, input_buf, 9) != 0) return (PARSER_SIGNATURE_UNMATCHED); - u32 *digest = (u32 *) hash_buf->digest; salt_t *salt = hash_buf->salt; - u8 *iter_pos = input_buf + 9; + token_t token; - u8 *salt_pos = (u8 *) strchr ((const char *) iter_pos, '$'); + token.token_cnt = 4; - if (salt_pos == NULL) return (PARSER_SEPARATOR_UNMATCHED); + token.signatures_cnt = 1; + token.signatures_buf[0] = SIGNATURE_SHA256AIX; - salt_pos++; + token.len[0] = 9; + token.attr[0] = TOKEN_ATTR_FIXED_LENGTH + | TOKEN_ATTR_VERIFY_SIGNATURE; - u8 *hash_pos = (u8 *) strchr ((const char *) salt_pos, '$'); + token.len_min[1] = 2; + token.len_max[1] = 2; + token.sep[1] = '$'; + token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH; - if (hash_pos == NULL) return (PARSER_SEPARATOR_UNMATCHED); + token.len_min[2] = 16; + token.len_max[2] = 48; + token.sep[2] = '$'; + token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH; - u32 salt_len = hash_pos - salt_pos; + token.len[3] = 43; + token.attr[3] = TOKEN_ATTR_FIXED_LENGTH + | TOKEN_ATTR_VERIFY_BASE64B; - if (salt_len < 16) return (PARSER_SALT_LENGTH); + const int rc_tokenizer = input_tokenizer (input_buf, input_len, &token); - memcpy ((u8 *) salt->salt_buf, salt_pos, salt_len); + if (rc_tokenizer != PARSER_OK) return (rc_tokenizer); - salt->salt_len = salt_len; + u8 *iter_pos = token.buf[1]; char salt_iter[3] = { iter_pos[0], iter_pos[1], 0 }; @@ -7147,7 +7173,14 @@ int sha256aix_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_ salt->salt_iter = (1u << hc_strtoul ((const char *) salt_iter, NULL, 10)) - 1; - hash_pos++; + u8 *salt_pos = token.buf[2]; + int salt_len = token.len[2]; + + const bool parse_rc = parse_and_store_generic_salt ((u8 *) salt->salt_buf, (int *) &salt->salt_len, salt_pos, salt_len, hashconfig); + + if (parse_rc == false) return (PARSER_SALT_LENGTH); + + u8 *hash_pos = token.buf[3]; sha256aix_decode ((u8 *) digest, hash_pos); @@ -7165,33 +7198,40 @@ int sha256aix_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_ int sha512aix_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig) { - if ((input_len < DISPLAY_LEN_MIN_6500) || (input_len > DISPLAY_LEN_MAX_6500)) return (PARSER_GLOBAL_LENGTH); - - if (memcmp (SIGNATURE_SHA512AIX, input_buf, 9) != 0) return (PARSER_SIGNATURE_UNMATCHED); - u64 *digest = (u64 *) hash_buf->digest; salt_t *salt = hash_buf->salt; - u8 *iter_pos = input_buf + 9; + token_t token; - u8 *salt_pos = (u8 *) strchr ((const char *) iter_pos, '$'); + token.token_cnt = 4; - if (salt_pos == NULL) return (PARSER_SEPARATOR_UNMATCHED); + token.signatures_cnt = 1; + token.signatures_buf[0] = SIGNATURE_SHA512AIX; - salt_pos++; + token.len[0] = 9; + token.attr[0] = TOKEN_ATTR_FIXED_LENGTH + | TOKEN_ATTR_VERIFY_SIGNATURE; - u8 *hash_pos = (u8 *) strchr ((const char *) salt_pos, '$'); + token.len_min[1] = 2; + token.len_max[1] = 2; + token.sep[1] = '$'; + token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH; - if (hash_pos == NULL) return (PARSER_SEPARATOR_UNMATCHED); + token.len_min[2] = 16; + token.len_max[2] = 48; + token.sep[2] = '$'; + token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH; - u32 salt_len = hash_pos - salt_pos; + token.len[3] = 86; + token.attr[3] = TOKEN_ATTR_FIXED_LENGTH + | TOKEN_ATTR_VERIFY_BASE64B; - if (salt_len < 16) return (PARSER_SALT_LENGTH); + const int rc_tokenizer = input_tokenizer (input_buf, input_len, &token); - memcpy ((u8 *) salt->salt_buf, salt_pos, salt_len); + if (rc_tokenizer != PARSER_OK) return (rc_tokenizer); - salt->salt_len = salt_len; + u8 *iter_pos = token.buf[1]; char salt_iter[3] = { iter_pos[0], iter_pos[1], 0 }; @@ -7199,7 +7239,14 @@ int sha512aix_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_ salt->salt_iter = (1u << hc_strtoul ((const char *) salt_iter, NULL, 10)) - 1; - hash_pos++; + u8 *salt_pos = token.buf[2]; + int salt_len = token.len[2]; + + const bool parse_rc = parse_and_store_generic_salt ((u8 *) salt->salt_buf, (int *) &salt->salt_len, salt_pos, salt_len, hashconfig); + + if (parse_rc == false) return (PARSER_SALT_LENGTH); + + u8 *hash_pos = token.buf[3]; sha512aix_decode ((u8 *) digest, hash_pos);