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| /** | ||
| * Copyright (c) 2021 Simon Rodriguez | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy of | ||
| * this software and associated documentation files (the "Software"), to deal in | ||
| * the Software without restriction, including without limitation the rights to | ||
| * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies | ||
| * of the Software, and to permit persons to whom the Software is furnished to do | ||
| * so, subject to the following conditions: | ||
| * The above copyright notice and this permission notice shall be included in all | ||
| * copies or substantial portions of the Software. | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
| #include "sr_keychain.h" | ||
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| #ifndef SR_KEYCHAIN_MALLOC | ||
| # define SR_KEYCHAIN_MALLOC(S) (malloc(S)) | ||
| #endif | ||
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| #ifndef SR_KEYCHAIN_FREE | ||
| # define SR_KEYCHAIN_FREE(S) (free(S)) | ||
| #endif | ||
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| #ifndef SR_KEYCHAIN_MEMCPY | ||
| # define SR_KEYCHAIN_MEMCPY(D, S, T) (memcpy(D, S, T)) | ||
| #endif | ||
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| #ifndef SR_KEYCHAIN_LINUX_SCHEME_NAME | ||
| # define SR_KEYCHAIN_LINUX_SCHEME_NAME "com.sr.sr_keychain" | ||
| #endif | ||
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| #ifdef _WIN32 | ||
| # include <windows.h> | ||
| #else | ||
| # include <termios.h> | ||
| #endif | ||
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| #ifdef __APPLE__ | ||
| # include <Security/Security.h> | ||
| #endif | ||
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| #ifdef _WIN32 | ||
| # include <wincred.h> | ||
| # include <stdio.h> | ||
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| wchar_t* _sr_keychain_get_complete_url(const char* domain, const char* user) { | ||
| const size_t length = strlen(user) + 1 + strlen(domain); | ||
| char* domainAndUser = (char*)SR_KEYCHAIN_MALLOC(sizeof(char) * (length + 1)); | ||
| if(domainAndUser == NULL) { | ||
| return NULL; | ||
| } | ||
| snprintf(domainAndUser, length, "%s@%s", user, domain); | ||
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| const int sizeWide = MultiByteToWideChar(CP_UTF8, 0, domainAndUser, -1, NULL, 0); | ||
| wchar_t* targetName = (wchar_t*)SR_KEYCHAIN_MALLOC(sizeWide * sizeof(wchar_t)); | ||
| MultiByteToWideChar(CP_UTF8, 0, domainAndUser, -1, targetName, sizeWide); | ||
| SR_KEYCHAIN_FREE(domainAndUser); | ||
| return targetName; | ||
| } | ||
| #endif | ||
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| #ifdef __linux__ | ||
| # include <libsecret/secret.h> | ||
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| // Declare secret scheme. | ||
| const SecretSchema* _sr_keychain_get_schema() { | ||
| static SecretSchema schema; | ||
| schema.name = SR_KEYCHAIN_LINUX_SCHEME_NAME; | ||
| schema.flags = SECRET_SCHEMA_NONE; | ||
| schema.attributes[0].name = "domain"; | ||
| schema.attributes[0].type = SECRET_SCHEMA_ATTRIBUTE_STRING; | ||
| schema.attributes[1].name = "user"; | ||
| schema.attributes[1].type = SECRET_SCHEMA_ATTRIBUTE_STRING; | ||
| schema.attributes[2].name = "NULL"; | ||
| schema.attributes[2].type = (SecretSchemaAttributeType)0; | ||
| return &schema; | ||
| } | ||
| #endif | ||
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| int sr_keychain_get_password(const char* domain, const char* user, char** password) { | ||
| #if defined(__APPLE__) | ||
| UInt32 passLength; | ||
| char* passBuffer; | ||
| OSStatus stat = SecKeychainFindInternetPassword(NULL, strlen(domain), domain, 0, NULL, strlen(user), user, 0, NULL, 0, kSecProtocolTypeAny, kSecAuthenticationTypeDefault, &passLength, (void**)&passBuffer, NULL); | ||
| if(stat == 0) { | ||
| *password = (char*)SR_KEYCHAIN_MALLOC(sizeof(char) * (passLength + 1)); | ||
| SR_KEYCHAIN_MEMCPY(*password, passBuffer, sizeof(char) * passLength); | ||
| (*password)[passLength] = '\0'; | ||
| return 0; | ||
| } | ||
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| #elif defined(_WIN32) | ||
| wchar_t* targetName = _sr_keychain_get_complete_url(domain, user); | ||
| if(targetName == NULL) { | ||
| return 1; | ||
| } | ||
| PCREDENTIALW credential; | ||
| BOOL stat = CredRead(targetName, CRED_TYPE_GENERIC, 0, &credential); | ||
| SR_KEYCHAIN_FREE(targetName); | ||
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| if(stat) { | ||
| const int passLength = credential->CredentialBlobSize; | ||
| *password = (char*)SR_KEYCHAIN_MALLOC(sizeof(char) * (passLength + 1)); | ||
| SR_KEYCHAIN_MEMCPY(*password, (const char*)credential->CredentialBlob, sizeof(char) * passLength); | ||
| (*password)[passLength] = '\0'; | ||
| CredFree(credential); | ||
| return 0; | ||
| } | ||
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| #elif defined(__linux__) | ||
| GError* stat = NULL; | ||
| gchar* passBuffer = secret_password_lookup_sync(_sr_keychain_get_schema(), NULL, &stat, | ||
| "domain", domain, "user", user, NULL); | ||
| if(stat != NULL) { | ||
| g_error_free(stat); | ||
| return 1; | ||
| } | ||
| if(passBuffer == NULL) { | ||
| return 1; | ||
| } | ||
| const int passLength = strlen(passBuffer); | ||
| *password = (char*)SR_KEYCHAIN_MALLOC(sizeof(char) * (passLength + 1)); | ||
| SR_KEYCHAIN_MEMCPY(*password, passBuffer, sizeof(char) * passLength); | ||
| (*password)[passLength] = '\0'; | ||
| secret_password_free(passBuffer); | ||
| return 0; | ||
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| #else | ||
| # pragma message("Unsupported platform for sr_keychain.") | ||
| #endif | ||
| return 1; | ||
| } | ||
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| int sr_keychain_set_password(const char* domain, char* user, const char* password) { | ||
| #if defined(__APPLE__) | ||
| SecKeychainItemRef item; | ||
| OSStatus stat = SecKeychainFindInternetPassword(NULL, strlen(domain), domain, 0, NULL, strlen(user), user, 0, NULL, 0, kSecProtocolTypeAny, kSecAuthenticationTypeDefault, 0, NULL, &item); | ||
| if(stat == 0) { | ||
| // If the item already exists, modify it. | ||
| stat = SecKeychainItemModifyAttributesAndData(item, NULL, strlen(password), password); | ||
| } else { | ||
| // Else create it. | ||
| stat = SecKeychainAddInternetPassword(NULL, strlen(domain), domain, 0, NULL, strlen(user), user, 0, NULL, 0, kSecProtocolTypeAny, kSecAuthenticationTypeDefault, strlen(password), password, NULL); | ||
| } | ||
| return stat == 0 ? 0 : 1; | ||
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| #elif defined(_WIN32) | ||
| wchar_t* targetName = _sr_keychain_get_complete_url(domain, user); | ||
| if(targetName == NULL) { | ||
| return 1; | ||
| } | ||
| CREDENTIALW credsToAdd = {0}; | ||
| credsToAdd.Flags = 0; | ||
| credsToAdd.Type = CRED_TYPE_GENERIC; | ||
| credsToAdd.TargetName = (LPWSTR)targetName; | ||
| credsToAdd.CredentialBlob = (LPBYTE)password; | ||
| credsToAdd.CredentialBlobSize = (int)strlen(password); | ||
| credsToAdd.Persist = CRED_PERSIST_LOCAL_MACHINE; | ||
| // This will overwrite the credential if it already exists. | ||
| BOOL stat = CredWrite(&credsToAdd, 0); | ||
| SR_KEYCHAIN_FREE(targetName); | ||
| return stat ? 0 : 1; | ||
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| #elif defined(__linux__) | ||
| GError* stat = NULL; | ||
| secret_password_store_sync(_sr_keychain_get_schema(), SECRET_COLLECTION_DEFAULT, "", password, NULL, &stat, "domain", domain, "user", user, NULL); | ||
| if(stat != NULL) { | ||
| g_error_free(stat); | ||
| return 1; | ||
| } | ||
| return 0; | ||
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| #else | ||
| # pragma message("Unsupported platform for sr_keychain.") | ||
| #endif | ||
| return 1; | ||
| } | ||
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| void sr_keychain_set_stdin_printback(int enable) { | ||
| #ifdef _WIN32 | ||
| HANDLE hstdin = GetStdHandle(STD_INPUT_HANDLE); | ||
| DWORD mode; | ||
| GetConsoleMode(hstdin, &mode); | ||
| if(enable != 0) { | ||
| mode |= ENABLE_ECHO_INPUT; | ||
| } else { | ||
| mode &= ~ENABLE_ECHO_INPUT; | ||
| } | ||
| SetConsoleMode(hstdin, mode); | ||
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| #else | ||
| struct termios tty; | ||
| tcgetattr(STDIN_FILENO, &tty); | ||
| if(enable != 0) { | ||
| tty.c_lflag |= ECHO; | ||
| } else { | ||
| tty.c_lflag &= ~ECHO; | ||
| } | ||
| tcsetattr(STDIN_FILENO, TCSANOW, &tty); | ||
| #endif | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
|
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| /** | ||
| * Copyright (c) 2021 Simon Rodriguez | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy of | ||
| * this software and associated documentation files (the "Software"), to deal in | ||
| * the Software without restriction, including without limitation the rights to | ||
| * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies | ||
| * of the Software, and to permit persons to whom the Software is furnished to do | ||
| * so, subject to the following conditions: | ||
| * The above copyright notice and this permission notice shall be included in all | ||
| * copies or substantial portions of the Software. | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
| #ifndef SR_KEYCHAIN_H | ||
| #define SR_KEYCHAIN_H | ||
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| #ifdef __cplusplus | ||
| extern "C" { | ||
| #endif | ||
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| int sr_keychain_get_password(const char* domain, const char* user, char** password); | ||
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| int sr_keychain_set_password(const char* domain, char* user, const char* password); | ||
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| void sr_keychain_set_stdin_printback(int enable); | ||
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| #ifdef __cplusplus | ||
| } | ||
| #endif | ||
|
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| #endif |
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