94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/* BEGIN_HEADER */
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#include "mbedtls/base64.h"
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#include "mbedtls/pem.h"
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#include "mbedtls/des.h"
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#include "mbedtls/aes.h"
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/* END_HEADER */
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/* BEGIN_CASE depends_on:MBEDTLS_PEM_WRITE_C */
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void mbedtls_pem_write_buffer(char *start, char *end, data_t *buf,
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char *result_str)
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{
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unsigned char *check_buf = NULL;
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int ret;
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size_t olen = 0, olen2 = 0;
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ret = mbedtls_pem_write_buffer(start, end, buf->x, buf->len, NULL, 0, &olen);
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TEST_ASSERT(ret == MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL);
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check_buf = (unsigned char *) mbedtls_calloc(1, olen);
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TEST_ASSERT(check_buf != NULL);
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ret = mbedtls_pem_write_buffer(start, end, buf->x, buf->len, check_buf, olen, &olen2);
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TEST_ASSERT(olen2 <= olen);
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TEST_ASSERT(olen > strlen((char *) result_str));
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TEST_ASSERT(ret == 0);
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TEST_ASSERT(strncmp((char *) check_buf, (char *) result_str, olen) == 0);
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exit:
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mbedtls_free(check_buf);
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:MBEDTLS_PEM_WRITE_C */
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void mbedtls_pem_write_buffer_lengths()
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{
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unsigned char data[256] = { 0 };
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unsigned char buf[1024];
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size_t olen_needed, olen;
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int ret;
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for (size_t l = 0; l <= sizeof(data); l++) {
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ret = mbedtls_pem_write_buffer("\n", "\n", data, l, NULL, 0, &olen_needed);
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TEST_ASSERT(ret == MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL);
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/* Test that a bigger buffer still only requires `olen_needed` */
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ret = mbedtls_pem_write_buffer("\n", "\n", data, l, buf, sizeof(buf), &olen);
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TEST_ASSERT(ret == 0);
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TEST_ASSERT(olen_needed == olen);
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/* Test that a buffer of exactly `olen_needed` works */
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memset(buf, 1, sizeof(buf));
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ret = mbedtls_pem_write_buffer("\n", "\n", data, l, buf, olen_needed, &olen);
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TEST_ASSERT(ret == 0);
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TEST_ASSERT(olen_needed == olen);
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/* Test the function didn't overflow the given buffer */
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for (size_t i = olen_needed; i < sizeof(buf); i++) {
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TEST_ASSERT(buf[i] == 1);
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}
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}
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:MBEDTLS_PEM_PARSE_C */
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void mbedtls_pem_read_buffer(char *header, char *footer, char *data,
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char *pwd, int res, data_t *out)
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{
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mbedtls_pem_context ctx;
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int ret;
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size_t use_len = 0;
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size_t pwd_len = strlen(pwd);
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const unsigned char *buf;
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MD_PSA_INIT();
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mbedtls_pem_init(&ctx);
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ret = mbedtls_pem_read_buffer(&ctx, header, footer, (unsigned char *) data,
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(unsigned char *) pwd, pwd_len, &use_len);
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TEST_ASSERT(ret == res);
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if (ret != 0) {
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goto exit;
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}
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use_len = 0;
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buf = mbedtls_pem_get_buffer(&ctx, &use_len);
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TEST_EQUAL(use_len, out->len);
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TEST_ASSERT(memcmp(out->x, buf, out->len) == 0);
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exit:
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mbedtls_pem_free(&ctx);
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MD_PSA_DONE();
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}
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/* END_CASE */
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