forked from cory/tildefriends
40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
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#include "bcrypt.h"
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#include "ow-crypt.h"
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#include <sys/random.h>
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JSValue _crypt_hashpw(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
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JSValue _crypt_gensalt(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
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void tf_bcrypt_init(JSContext* context) {
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JSValue global = JS_GetGlobalObject(context);
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JSValue bcrypt = JS_NewObject(context);
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JS_SetPropertyStr(context, global, "bCrypt", bcrypt);
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JS_SetPropertyStr(context, bcrypt, "hashpw", JS_NewCFunction(context, _crypt_hashpw, "hashpw", 2));
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JS_SetPropertyStr(context, bcrypt, "gensalt", JS_NewCFunction(context, _crypt_gensalt, "gensalt", 0));
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JS_FreeValue(context, global);
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}
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JSValue _crypt_hashpw(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv) {
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const char* key = JS_ToCString(context, argv[0]);
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const char* salt = JS_ToCString(context, argv[1]);
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char output[7 + 22 + 31 + 1];
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char* hash = crypt_rn(key, salt, output, sizeof(output));
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JSValue result = JS_NewString(context, hash);
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JS_FreeCString(context, key);
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JS_FreeCString(context, salt);
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return result;
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}
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JSValue _crypt_gensalt(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv) {
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int length;
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JS_ToInt32(context, &length, argv[0]);
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char buffer[16];
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ssize_t bytes = getrandom(buffer, sizeof(buffer), 0);
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char output[7 + 22 + 1];
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char* salt = crypt_gensalt_rn("$2b$", length, buffer, bytes, output, sizeof(output));
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JSValue result = JS_NewString(context, salt);
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return result;
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}
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