From f5106362b82b035dcd8e487d755316e886de3440 Mon Sep 17 00:00:00 2001 From: gcontini <1121667+gcontini@users.noreply.github.com> Date: 周六, 23 11月 2019 22:48:18 +0800 Subject: [PATCH] signature verified, tests --- src/library/pc-identifiers.c | 200 +++++++++++++++++++++---------------------------- 1 files changed, 86 insertions(+), 114 deletions(-) diff --git a/src/library/pc-identifiers.c b/src/library/pc-identifiers.c index 0f39760..ff08202 100644 --- a/src/library/pc-identifiers.c +++ b/src/library/pc-identifiers.c @@ -23,18 +23,15 @@ #endif #endif -static FUNCTION_RETURN generate_disk_pc_id(PcIdentifier * identifiers, - unsigned int * num_identifiers, bool use_label); +static FUNCTION_RETURN generate_disk_pc_id(PcIdentifier *identifiers, unsigned int *num_identifiers, bool use_label); -static FUNCTION_RETURN generate_ethernet_pc_id(PcIdentifier * identifiers, - unsigned int * num_identifiers, int use_mac); +static FUNCTION_RETURN generate_ethernet_pc_id(PcIdentifier *identifiers, unsigned int *num_identifiers, int use_mac); -static FUNCTION_RETURN generate_default_pc_id(PcIdentifier * identifiers, - unsigned int * num_identifiers) { +static FUNCTION_RETURN generate_default_pc_id(PcIdentifier *identifiers, unsigned int *num_identifiers) { size_t adapter_num, disk_num; FUNCTION_RETURN result_adapterInfos, result_diskinfos, function_return; unsigned int caller_identifiers, i, j, k, array_index; - DiskInfo * diskInfoPtr; + DiskInfo *diskInfoPtr; OsAdapterInfo *adapterInfoPtr; if (identifiers == NULL || *num_identifiers == 0) { @@ -49,20 +46,17 @@ *num_identifiers = disk_num * adapter_num; function_return = FUNC_RET_OK; } else { - adapterInfoPtr = (OsAdapterInfo*) malloc( - (*num_identifiers) * sizeof(OsAdapterInfo)); + adapterInfoPtr = (OsAdapterInfo *)malloc((*num_identifiers) * sizeof(OsAdapterInfo)); adapter_num = *num_identifiers; result_adapterInfos = getAdapterInfos(adapterInfoPtr, &adapter_num); - if (result_adapterInfos != FUNC_RET_OK - && result_adapterInfos != FUNC_RET_BUFFER_TOO_SMALL) { + if (result_adapterInfos != FUNC_RET_OK && result_adapterInfos != FUNC_RET_BUFFER_TOO_SMALL) { free(adapterInfoPtr); return generate_disk_pc_id(identifiers, num_identifiers, false); } - diskInfoPtr = (DiskInfo*) malloc((*num_identifiers) * sizeof(DiskInfo)); + diskInfoPtr = (DiskInfo *)malloc((*num_identifiers) * sizeof(DiskInfo)); disk_num = *num_identifiers; result_diskinfos = getDiskInfos(diskInfoPtr, &disk_num); - if (result_diskinfos != FUNC_RET_OK - && result_diskinfos != FUNC_RET_BUFFER_TOO_SMALL) { + if (result_diskinfos != FUNC_RET_OK && result_diskinfos != FUNC_RET_BUFFER_TOO_SMALL) { free(diskInfoPtr); free(adapterInfoPtr); return generate_ethernet_pc_id(identifiers, num_identifiers, true); @@ -75,19 +69,18 @@ array_index = i * adapter_num + j; if (array_index >= caller_identifiers) { function_return = FUNC_RET_BUFFER_TOO_SMALL; - //sweet memories... + // sweet memories... goto end; } for (k = 0; k < 6; k++) - identifiers[array_index][k] = diskInfoPtr[i].disk_sn[k + 2] - ^ adapterInfoPtr[j].mac_address[k + 2]; + identifiers[array_index][k] = diskInfoPtr[i].disk_sn[k + 2] ^ adapterInfoPtr[j].mac_address[k + 2]; } } -end: + end: #ifdef _MSC_VER - *num_identifiers = min(*num_identifiers, adapter_num * disk_num); + *num_identifiers = min(*num_identifiers, adapter_num * disk_num); #else - *num_identifiers = cmin(*num_identifiers, adapter_num * disk_num); + *num_identifiers = cmin(*num_identifiers, adapter_num * disk_num); #endif free(diskInfoPtr); free(adapterInfoPtr); @@ -95,8 +88,7 @@ return function_return; } -static FUNCTION_RETURN generate_ethernet_pc_id(PcIdentifier * identifiers, - unsigned int * num_identifiers, int use_mac) { +static FUNCTION_RETURN generate_ethernet_pc_id(PcIdentifier *identifiers, unsigned int *num_identifiers, int use_mac) { FUNCTION_RETURN result_adapterInfos; unsigned int j, k; OsAdapterInfo *adapterInfos; @@ -104,56 +96,50 @@ if (identifiers == NULL || *num_identifiers == 0) { result_adapterInfos = getAdapterInfos(NULL, &adapters); - if (result_adapterInfos == FUNC_RET_OK - || result_adapterInfos == FUNC_RET_BUFFER_TOO_SMALL) { + if (result_adapterInfos == FUNC_RET_OK || result_adapterInfos == FUNC_RET_BUFFER_TOO_SMALL) { *num_identifiers = adapters; result_adapterInfos = FUNC_RET_OK; } } else { defined_adapters = adapters = *num_identifiers; - adapterInfos = (OsAdapterInfo*) malloc( - adapters * sizeof(OsAdapterInfo)); + adapterInfos = (OsAdapterInfo *)malloc(adapters * sizeof(OsAdapterInfo)); result_adapterInfos = getAdapterInfos(adapterInfos, &adapters); - if (result_adapterInfos == FUNC_RET_BUFFER_TOO_SMALL - || result_adapterInfos == FUNC_RET_OK) { + if (result_adapterInfos == FUNC_RET_BUFFER_TOO_SMALL || result_adapterInfos == FUNC_RET_OK) { for (j = 0; j < adapters; j++) { for (k = 0; k < 6; k++) if (use_mac) { identifiers[j][k] = adapterInfos[j].mac_address[k + 2]; } else { - //use ip + // use ip if (k < 4) { identifiers[j][k] = adapterInfos[j].ipv4_address[k]; } else { - //padding + // padding identifiers[j][k] = 42; } } } - result_adapterInfos = ( - adapters > defined_adapters ? - FUNC_RET_BUFFER_TOO_SMALL : FUNC_RET_OK); + result_adapterInfos = (adapters > defined_adapters ? FUNC_RET_BUFFER_TOO_SMALL : FUNC_RET_OK); } free(adapterInfos); } return result_adapterInfos; } -static FUNCTION_RETURN generate_disk_pc_id(PcIdentifier * identifiers, - unsigned int * num_identifiers, bool use_label) { +static FUNCTION_RETURN generate_disk_pc_id(PcIdentifier *identifiers, unsigned int *num_identifiers, bool use_label) { size_t disk_num, available_disk_info = 0; FUNCTION_RETURN result_diskinfos; unsigned int i, j; int defined_identifiers; char firstChar; - DiskInfo * diskInfos; + DiskInfo *diskInfos; result_diskinfos = getDiskInfos(NULL, &disk_num); if (result_diskinfos != FUNC_RET_OK) { return result_diskinfos; } - diskInfos = (DiskInfo*) malloc(disk_num * sizeof(DiskInfo)); - memset(diskInfos,0,disk_num * sizeof(DiskInfo)); + diskInfos = (DiskInfo *)malloc(disk_num * sizeof(DiskInfo)); + memset(diskInfos, 0, disk_num * sizeof(DiskInfo)); result_diskinfos = getDiskInfos(diskInfos, &disk_num); if (result_diskinfos != FUNC_RET_OK) { free(diskInfos); @@ -178,15 +164,13 @@ for (i = 0; i < disk_num; i++) { if (use_label) { if (diskInfos[i].label[0] != 0) { - memset(identifiers[j], 0, sizeof(PcIdentifier)); //!!!!!!! - strncpy((char*)identifiers[j], diskInfos[i].label, - sizeof(PcIdentifier)); + memset(identifiers[j], 0, sizeof(PcIdentifier)); //!!!!!!! + strncpy((char *)identifiers[j], diskInfos[i].label, sizeof(PcIdentifier)); j++; } } else { if (diskInfos[i].disk_sn[0] != 0) { - memcpy(identifiers[j], &diskInfos[i].disk_sn[2], - sizeof(PcIdentifier)); + memcpy(identifiers[j], &diskInfos[i].disk_sn[2], sizeof(PcIdentifier)); j++; } } @@ -211,43 +195,42 @@ * @return */ -FUNCTION_RETURN generate_pc_id(PcIdentifier * identifiers, - unsigned int * array_size, IDENTIFICATION_STRATEGY strategy) { +FUNCTION_RETURN generate_pc_id(PcIdentifier *identifiers, unsigned int *array_size, IDENTIFICATION_STRATEGY strategy) { FUNCTION_RETURN result; unsigned int i, j; const unsigned int original_array_size = *array_size; unsigned char strategy_num; switch (strategy) { - case DEFAULT: - result = generate_default_pc_id(identifiers, array_size); - break; - case ETHERNET: - result = generate_ethernet_pc_id(identifiers, array_size, true); - break; - case IP_ADDRESS: - result = generate_ethernet_pc_id(identifiers, array_size, false); - break; - case DISK_NUM: - result = generate_disk_pc_id(identifiers, array_size, false); - break; - case DISK_LABEL: - result = generate_disk_pc_id(identifiers, array_size, true); - break; - default: - return FUNC_RET_ERROR; + case DEFAULT: + result = generate_default_pc_id(identifiers, array_size); + break; + case ETHERNET: + result = generate_ethernet_pc_id(identifiers, array_size, true); + break; + case IP_ADDRESS: + result = generate_ethernet_pc_id(identifiers, array_size, false); + break; + case DISK_NUM: + result = generate_disk_pc_id(identifiers, array_size, false); + break; + case DISK_LABEL: + result = generate_disk_pc_id(identifiers, array_size, true); + break; + default: + return FUNC_RET_ERROR; } if (result == FUNC_RET_OK && identifiers != NULL) { strategy_num = strategy << 5; for (i = 0; i < *array_size; i++) { - //encode strategy in the first three bits of the pc_identifier + // encode strategy in the first three bits of the pc_identifier identifiers[i][0] = (identifiers[i][0] & 15) | strategy_num; } - //fill array if larger + // fill array if larger for (i = *array_size; i < original_array_size; i++) { identifiers[i][0] = STRATEGY_UNKNOWN << 5; for (j = 1; j < sizeof(PcIdentifier); j++) { - identifiers[i][j] = 42; //padding + identifiers[i][j] = 42; // padding } } } @@ -255,36 +238,33 @@ } char *MakeCRC(char *BitString) { - static char Res[3]; // CRC Result + static char Res[3]; // CRC Result char CRC[2]; int i; char DoInvert; - for (i = 0; i < 2; ++i) - CRC[i] = 0; // Init before calculation + for (i = 0; i < 2; ++i) CRC[i] = 0; // Init before calculation for (i = 0; i < strlen(BitString); ++i) { - DoInvert = ('1' == BitString[i]) ^ CRC[1]; // XOR required? + DoInvert = ('1' == BitString[i]) ^ CRC[1]; // XOR required? CRC[1] = CRC[0]; CRC[0] = DoInvert; } - for (i = 0; i < 2; ++i) - Res[1 - i] = CRC[i] ? '1' : '0'; // Convert binary to ASCII - Res[2] = 0; // Set string terminator + for (i = 0; i < 2; ++i) Res[1 - i] = CRC[i] ? '1' : '0'; // Convert binary to ASCII + Res[2] = 0; // Set string terminator return (Res); } -FUNCTION_RETURN encode_pc_id(PcIdentifier identifier1, PcIdentifier identifier2, - PcSignature pc_identifier_out) { - //TODO base62 encoding, now uses base64 +FUNCTION_RETURN encode_pc_id(PcIdentifier identifier1, PcIdentifier identifier2, PcSignature pc_identifier_out) { + // TODO base62 encoding, now uses base64 PcIdentifier concat_identifiers[2]; - char* b64_data = NULL; + char *b64_data = NULL; int b64_size = 0; const size_t concatIdentifiersSize = sizeof(PcIdentifier) * 2; - //concat_identifiers = (PcIdentifier *) malloc(concatIdentifiersSize); + // concat_identifiers = (PcIdentifier *) malloc(concatIdentifiersSize); memcpy(&concat_identifiers[0], identifier1, sizeof(PcIdentifier)); memcpy(&concat_identifiers[1], identifier2, sizeof(PcIdentifier)); b64_data = base64(concat_identifiers, concatIdentifiersSize, &b64_size); @@ -292,21 +272,17 @@ free(b64_data); return FUNC_RET_BUFFER_TOO_SMALL; } - sprintf(pc_identifier_out, "%.4s-%.4s-%.4s-%.4s", &b64_data[0], - &b64_data[4], &b64_data[8], &b64_data[12]); - //free(concat_identifiers); + sprintf(pc_identifier_out, "%.4s-%.4s-%.4s-%.4s", &b64_data[0], &b64_data[4], &b64_data[8], &b64_data[12]); + // free(concat_identifiers); free(b64_data); return FUNC_RET_OK; } -FUNCTION_RETURN parity_check_id(PcSignature pc_identifier) { - return FUNC_RET_OK; -} +FUNCTION_RETURN parity_check_id(PcSignature pc_identifier) { return FUNC_RET_OK; } -FUNCTION_RETURN generate_user_pc_signature(PcSignature identifier_out, - IDENTIFICATION_STRATEGY strategy) { +FUNCTION_RETURN generate_user_pc_signature(PcSignature identifier_out, IDENTIFICATION_STRATEGY strategy) { FUNCTION_RETURN result; - PcIdentifier* identifiers; + PcIdentifier *identifiers; unsigned int req_buffer_size = 0; result = generate_pc_id(NULL, &req_buffer_size, strategy); if (result != FUNC_RET_OK) { @@ -316,8 +292,7 @@ return FUNC_RET_ERROR; } req_buffer_size = req_buffer_size < 2 ? 2 : req_buffer_size; - identifiers = (PcIdentifier *) malloc( - sizeof(PcIdentifier) * req_buffer_size); + identifiers = (PcIdentifier *)malloc(sizeof(PcIdentifier) * req_buffer_size); memset(identifiers, 0, sizeof(PcIdentifier) * req_buffer_size); result = generate_pc_id(identifiers, &req_buffer_size, strategy); if (result != FUNC_RET_OK) { @@ -343,40 +318,38 @@ * @param str_code: the code in the string format XXXX-XXXX-XXXX-XXXX * @return */ -static FUNCTION_RETURN decode_pc_id(PcIdentifier identifier1_out, - PcIdentifier identifier2_out, PcSignature pc_signature_in) { - //TODO base62 encoding, now uses base64 +static FUNCTION_RETURN decode_pc_id(PcIdentifier identifier1_out, PcIdentifier identifier2_out, + PcSignature pc_signature_in) { + // TODO base62 encoding, now uses base64 - unsigned char * concat_identifiers = NULL; + unsigned char *concat_identifiers = NULL; char base64ids[17]; int identifiers_size; - sscanf(pc_signature_in, "%4s-%4s-%4s-%4s", &base64ids[0], &base64ids[4], - &base64ids[8], &base64ids[12]); + sscanf(pc_signature_in, "%4s-%4s-%4s-%4s", &base64ids[0], &base64ids[4], &base64ids[8], &base64ids[12]); concat_identifiers = unbase64(base64ids, 16, &identifiers_size); if (identifiers_size > sizeof(PcIdentifier) * 2) { free(concat_identifiers); return FUNC_RET_BUFFER_TOO_SMALL; } memcpy(identifier1_out, concat_identifiers, sizeof(PcIdentifier)); - memcpy(identifier2_out, concat_identifiers + sizeof(PcIdentifier), - sizeof(PcIdentifier)); + memcpy(identifier2_out, concat_identifiers + sizeof(PcIdentifier), sizeof(PcIdentifier)); free(concat_identifiers); return FUNC_RET_OK; } static IDENTIFICATION_STRATEGY strategy_from_pc_id(PcIdentifier identifier) { - return (IDENTIFICATION_STRATEGY) identifier[0] >> 5; + return (IDENTIFICATION_STRATEGY)identifier[0] >> 5; } EVENT_TYPE validate_pc_signature(PcSignature str_code) { PcIdentifier user_identifiers[2]; FUNCTION_RETURN result; IDENTIFICATION_STRATEGY previous_strategy_id, current_strategy_id; - PcIdentifier* calculated_identifiers = NULL; + PcIdentifier *calculated_identifiers = NULL; unsigned int calc_identifiers_size = 0; int i = 0, j = 0; - //bool found; + // bool found; #ifdef _DEBUG printf("Comparing pc identifiers: \n"); #endif @@ -385,14 +358,14 @@ return result; } previous_strategy_id = STRATEGY_UNKNOWN; - //found = false; + // found = false; for (i = 0; i < 2; i++) { current_strategy_id = strategy_from_pc_id(user_identifiers[i]); - if (current_strategy_id == STRATEGY_UNKNOWN && previous_strategy_id == STRATEGY_UNKNOWN && i==1) { + if (current_strategy_id == STRATEGY_UNKNOWN && previous_strategy_id == STRATEGY_UNKNOWN && i == 1) { free(calculated_identifiers); - printf("Comparing pc identifiers: %d %d %d %s\n",current_strategy_id,previous_strategy_id,i, str_code); + printf("Comparing pc identifiers: %d %d %d %s\n", current_strategy_id, previous_strategy_id, i, str_code); return LICENSE_MALFORMED; - } else if (current_strategy_id == STRATEGY_UNKNOWN ){ + } else if (current_strategy_id == STRATEGY_UNKNOWN) { continue; } if (current_strategy_id != previous_strategy_id) { @@ -401,23 +374,22 @@ } previous_strategy_id = current_strategy_id; generate_pc_id(NULL, &calc_identifiers_size, current_strategy_id); - calculated_identifiers = (PcIdentifier *) malloc( - sizeof(PcIdentifier) * calc_identifiers_size); + calculated_identifiers = (PcIdentifier *)malloc(sizeof(PcIdentifier) * calc_identifiers_size); memset(calculated_identifiers, 0, sizeof(PcIdentifier) * calc_identifiers_size); - generate_pc_id(calculated_identifiers, &calc_identifiers_size, - current_strategy_id); + generate_pc_id(calculated_identifiers, &calc_identifiers_size, current_strategy_id); } - //maybe skip the byte 0 + // maybe skip the byte 0 for (j = 0; j < calc_identifiers_size; j++) { #ifdef _DEBUG - printf("generated id: %02x%02x%02x%02x%02x%02x index %d, user_supplied id %02x%02x%02x%02x%02x%02x idx: %d\n", - calculated_identifiers[j][0], calculated_identifiers[j][1], calculated_identifiers[j][2], - calculated_identifiers[j][3], calculated_identifiers[j][4], calculated_identifiers[j][5], j, - user_identifiers[i][0], user_identifiers[i][1], user_identifiers[i][2], user_identifiers[i][3], user_identifiers[i][4], user_identifiers[i][5], i); + printf( + "generated id: %02x%02x%02x%02x%02x%02x index %d, user_supplied id %02x%02x%02x%02x%02x%02x idx: %d\n", + calculated_identifiers[j][0], calculated_identifiers[j][1], calculated_identifiers[j][2], + calculated_identifiers[j][3], calculated_identifiers[j][4], calculated_identifiers[j][5], j, + user_identifiers[i][0], user_identifiers[i][1], user_identifiers[i][2], user_identifiers[i][3], + user_identifiers[i][4], user_identifiers[i][5], i); #endif - if (!memcmp(user_identifiers[i], calculated_identifiers[j], - sizeof(PcIdentifier))) { + if (!memcmp(user_identifiers[i], calculated_identifiers[j], sizeof(PcIdentifier))) { free(calculated_identifiers); return LICENSE_OK; } -- Gitblit v1.9.1