mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-05-18 22:36:25 +08:00
167
src/pem.c
167
src/pem.c
@@ -1,5 +1,5 @@
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/*
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* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
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* Copyright 2022 The GmSSL Project. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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@@ -7,86 +7,85 @@
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* http://www.apache.org/licenses/LICENSE-2.0
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <gmssl/pem.h>
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#include <gmssl/error.h>
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int pem_write(FILE *fp, const char *name, const uint8_t *data, size_t datalen)
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{
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int ret = 0;
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BASE64_CTX ctx;
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uint8_t b64[datalen * 2];
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int len;
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base64_encode_init(&ctx);
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base64_encode_update(&ctx, data, (int)datalen, b64, &len);
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base64_encode_finish(&ctx, b64 + len, &len);
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ret += fprintf(fp, "-----BEGIN %s-----\n", name);
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ret += fprintf(fp, "%s", (char *)b64);
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ret += fprintf(fp, "-----END %s-----\n", name);
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//return ret;
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return 1;
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}
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int pem_read(FILE *fp, const char *name, uint8_t *data, size_t *datalen, size_t maxlen)
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{
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char line[80];
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char begin_line[80];
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char end_line[80];
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int len;
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BASE64_CTX ctx;
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snprintf(begin_line, sizeof(begin_line), "-----BEGIN %s-----\n", name);
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snprintf(end_line, sizeof(end_line), "-----END %s-----\n", name);
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if (feof(fp)) {
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return 0;
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}
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if (!fgets(line, sizeof(line), fp)) {
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if (feof(fp))
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return 0;
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else {
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error_print();
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return -1;
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}
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}
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if (strcmp(line, begin_line) != 0) {
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// FIXME: 这里是不是应该容忍一些错误呢?
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fprintf(stderr, "%s %d: %s\n", __FILE__, __LINE__, line);
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fprintf(stderr, "%s %d: %s\n", __FILE__, __LINE__, begin_line);
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error_print();
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return -1;
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}
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*datalen = 0;
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base64_decode_init(&ctx);
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for (;;) {
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if (!fgets(line, sizeof(line), fp)) {
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error_print();
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return -1;
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}
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if (strcmp(line, end_line) == 0) {
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break;
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}
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base64_decode_update(&ctx, (uint8_t *)line, strlen(line), data, &len);
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data += len;
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*datalen += len;
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}
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base64_decode_finish(&ctx, data, &len);
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*datalen += len;
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return 1;
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}
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <gmssl/pem.h>
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#include <gmssl/error.h>
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int pem_write(FILE *fp, const char *name, const uint8_t *data, size_t datalen)
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{
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int ret = 0;
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BASE64_CTX ctx;
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uint8_t b64[datalen * 2];
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int len;
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base64_encode_init(&ctx);
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base64_encode_update(&ctx, data, (int)datalen, b64, &len);
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base64_encode_finish(&ctx, b64 + len, &len);
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ret += fprintf(fp, "-----BEGIN %s-----\n", name);
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ret += fprintf(fp, "%s", (char *)b64);
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ret += fprintf(fp, "-----END %s-----\n", name);
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//return ret;
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return 1;
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}
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int pem_read(FILE *fp, const char *name, uint8_t *data, size_t *datalen, size_t maxlen)
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{
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char line[80];
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char begin_line[80];
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char end_line[80];
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int len;
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BASE64_CTX ctx;
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snprintf(begin_line, sizeof(begin_line), "-----BEGIN %s-----\n", name);
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snprintf(end_line, sizeof(end_line), "-----END %s-----\n", name);
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if (feof(fp)) {
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return 0;
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}
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if (!fgets(line, sizeof(line), fp)) {
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if (feof(fp))
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return 0;
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else {
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error_print();
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return -1;
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}
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}
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if (strcmp(line, begin_line) != 0) {
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// FIXME: 这里是不是应该容忍一些错误呢?
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fprintf(stderr, "%s %d: %s\n", __FILE__, __LINE__, line);
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fprintf(stderr, "%s %d: %s\n", __FILE__, __LINE__, begin_line);
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error_print();
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return -1;
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}
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*datalen = 0;
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base64_decode_init(&ctx);
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for (;;) {
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if (!fgets(line, sizeof(line), fp)) {
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error_print();
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return -1;
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}
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if (strcmp(line, end_line) == 0) {
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break;
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}
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base64_decode_update(&ctx, (uint8_t *)line, strlen(line), data, &len);
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data += len;
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*datalen += len;
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}
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base64_decode_finish(&ctx, data, &len);
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*datalen += len;
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return 1;
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}
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