mirror of https://github.com/arendst/Tasmota.git
105 lines
3.0 KiB
C++
105 lines
3.0 KiB
C++
/*
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xdrv_52_3_berry_md5.ino - Berry scripting language, Md5 class
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Copyright (C) 2021 Stephan Hadinger, Berry language by Guan Wenliang https://github.com/Skiars/berry
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef USE_BERRY
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#include <berry.h>
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#include "MD5Builder.h"
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#include "be_mem.h"
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/*********************************************************************************************\
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* Md5 class
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*
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\*********************************************************************************************/
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extern "C" {
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int free_ctx(bvm* vm) {
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int argc = be_top(vm);
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if (argc > 0) {
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struct MD5Context * ctx = (struct MD5Context *) be_tocomptr(vm, 1);
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if (ctx != NULL) {
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be_os_free(ctx);
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}
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}
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be_return_nil(vm);
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}
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// `Md5.init() -> `
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int32_t m_md5_init(struct bvm *vm);
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int32_t m_md5_init(struct bvm *vm) {
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struct MD5Context * ctx = (struct MD5Context *) be_os_malloc(sizeof(struct MD5Context));
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if (!ctx) {
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be_throw(vm, BE_MALLOC_FAIL);
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}
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MD5Init(ctx);
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be_newcomobj(vm, ctx, &free_ctx);
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be_setmember(vm, 1, ".p");
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be_return_nil(vm);
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}
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// `Md5.update(content:bytes()) -> nil`
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//
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// Add raw bytes to the MD5 calculation
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int32_t m_md5_update(struct bvm *vm);
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int32_t m_md5_update(struct bvm *vm) {
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int32_t argc = be_top(vm); // Get the number of arguments
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if (argc >= 2 && be_isinstance(vm, 2)) {
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do {
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be_getglobal(vm, "bytes"); /* get the bytes class */ /* TODO eventually replace with be_getbuiltin */
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if (!be_isderived(vm, 2)) break;
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size_t length = 0;
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const void * bytes = be_tobytes(vm, 2, &length);
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if (!bytes) break;
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be_getmember(vm, 1, ".p");
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struct MD5Context * ctx;
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ctx = (struct MD5Context *) be_tocomptr(vm, -1);
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if (!ctx) break;
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if (length > 0) {
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MD5Update(ctx, (const uint8_t*) bytes, length);
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}
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be_return_nil(vm);
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// success
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} while (0);
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}
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be_raise(vm, kTypeError, nullptr);
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}
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// `Md5.update(content:bytes()) -> nil`
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//
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// Add raw bytes to the MD5 calculation
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int32_t m_md5_finish(struct bvm *vm);
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int32_t m_md5_finish(struct bvm *vm) {
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be_getmember(vm, 1, ".p");
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struct MD5Context * ctx;
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ctx = (struct MD5Context *) be_tocomptr(vm, -1);
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uint8_t output[16];
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MD5Final(output, ctx);
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be_pushbytes(vm, output, sizeof(output));
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be_return(vm);
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}
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}
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#endif // USE_BERRY
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