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-rw-r--r--programs/util/CMakeLists.txt18
-rw-r--r--programs/util/pem2der.c265
-rw-r--r--programs/util/strerror.c61
3 files changed, 344 insertions, 0 deletions
diff --git a/programs/util/CMakeLists.txt b/programs/util/CMakeLists.txt
new file mode 100644
index 00000000000..cb6bc3d2d2b
--- /dev/null
+++ b/programs/util/CMakeLists.txt
@@ -0,0 +1,18 @@
+set(libs
+ ${mbedcrypto_target}
+)
+
+set(executables
+ pem2der
+ strerror
+)
+
+foreach(exe IN LISTS executables)
+ add_executable(${exe} ${exe}.c $<TARGET_OBJECTS:mbedtls_test>)
+ target_link_libraries(${exe} ${libs} ${CMAKE_THREAD_LIBS_INIT})
+ target_include_directories(${exe} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/../../tests/include)
+endforeach()
+
+install(TARGETS ${executables}
+ DESTINATION "bin"
+ PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
diff --git a/programs/util/pem2der.c b/programs/util/pem2der.c
new file mode 100644
index 00000000000..d682c2b0676
--- /dev/null
+++ b/programs/util/pem2der.c
@@ -0,0 +1,265 @@
+/*
+ * Convert PEM to DER
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+
+#include "mbedtls/build_info.h"
+
+#include "mbedtls/platform.h"
+
+#if defined(MBEDTLS_BASE64_C) && defined(MBEDTLS_FS_IO)
+#include "mbedtls/error.h"
+#include "mbedtls/base64.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#endif
+
+#define DFL_FILENAME "file.pem"
+#define DFL_OUTPUT_FILENAME "file.der"
+
+#define USAGE \
+ "\n usage: pem2der param=<>...\n" \
+ "\n acceptable parameters:\n" \
+ " filename=%%s default: file.pem\n" \
+ " output_file=%%s default: file.der\n" \
+ "\n"
+
+#if !defined(MBEDTLS_BASE64_C) || !defined(MBEDTLS_FS_IO)
+int main(void)
+{
+ mbedtls_printf("MBEDTLS_BASE64_C and/or MBEDTLS_FS_IO not defined.\n");
+ mbedtls_exit(0);
+}
+#else
+
+
+/*
+ * global options
+ */
+struct options {
+ const char *filename; /* filename of the input file */
+ const char *output_file; /* where to store the output */
+} opt;
+
+int convert_pem_to_der(const unsigned char *input, size_t ilen,
+ unsigned char *output, size_t *olen)
+{
+ int ret;
+ const unsigned char *s1, *s2, *end = input + ilen;
+ size_t len = 0;
+
+ s1 = (unsigned char *) strstr((const char *) input, "-----BEGIN");
+ if (s1 == NULL) {
+ return -1;
+ }
+
+ s2 = (unsigned char *) strstr((const char *) input, "-----END");
+ if (s2 == NULL) {
+ return -1;
+ }
+
+ s1 += 10;
+ while (s1 < end && *s1 != '-') {
+ s1++;
+ }
+ while (s1 < end && *s1 == '-') {
+ s1++;
+ }
+ if (*s1 == '\r') {
+ s1++;
+ }
+ if (*s1 == '\n') {
+ s1++;
+ }
+
+ if (s2 <= s1 || s2 > end) {
+ return -1;
+ }
+
+ ret = mbedtls_base64_decode(NULL, 0, &len, (const unsigned char *) s1, s2 - s1);
+ if (ret == MBEDTLS_ERR_BASE64_INVALID_CHARACTER) {
+ return ret;
+ }
+
+ if (len > *olen) {
+ return -1;
+ }
+
+ if ((ret = mbedtls_base64_decode(output, len, &len, (const unsigned char *) s1,
+ s2 - s1)) != 0) {
+ return ret;
+ }
+
+ *olen = len;
+
+ return 0;
+}
+
+/*
+ * Load all data from a file into a given buffer.
+ */
+static int load_file(const char *path, unsigned char **buf, size_t *n)
+{
+ FILE *f;
+ long size;
+
+ if ((f = fopen(path, "rb")) == NULL) {
+ return -1;
+ }
+
+ fseek(f, 0, SEEK_END);
+ if ((size = ftell(f)) == -1) {
+ fclose(f);
+ return -1;
+ }
+ fseek(f, 0, SEEK_SET);
+
+ *n = (size_t) size;
+
+ if (*n + 1 == 0 ||
+ (*buf = mbedtls_calloc(1, *n + 1)) == NULL) {
+ fclose(f);
+ return -1;
+ }
+
+ if (fread(*buf, 1, *n, f) != *n) {
+ fclose(f);
+ free(*buf);
+ *buf = NULL;
+ return -1;
+ }
+
+ fclose(f);
+
+ (*buf)[*n] = '\0';
+
+ return 0;
+}
+
+/*
+ * Write buffer to a file
+ */
+static int write_file(const char *path, unsigned char *buf, size_t n)
+{
+ FILE *f;
+
+ if ((f = fopen(path, "wb")) == NULL) {
+ return -1;
+ }
+
+ if (fwrite(buf, 1, n, f) != n) {
+ fclose(f);
+ return -1;
+ }
+
+ fclose(f);
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ int ret = 1;
+ int exit_code = MBEDTLS_EXIT_FAILURE;
+ unsigned char *pem_buffer = NULL;
+ unsigned char der_buffer[4096];
+ char buf[1024];
+ size_t pem_size, der_size = sizeof(der_buffer);
+ int i;
+ char *p, *q;
+
+ /*
+ * Set to sane values
+ */
+ memset(buf, 0, sizeof(buf));
+ memset(der_buffer, 0, sizeof(der_buffer));
+
+ if (argc < 2) {
+usage:
+ mbedtls_printf(USAGE);
+ goto exit;
+ }
+
+ opt.filename = DFL_FILENAME;
+ opt.output_file = DFL_OUTPUT_FILENAME;
+
+ for (i = 1; i < argc; i++) {
+
+ p = argv[i];
+ if ((q = strchr(p, '=')) == NULL) {
+ goto usage;
+ }
+ *q++ = '\0';
+
+ if (strcmp(p, "filename") == 0) {
+ opt.filename = q;
+ } else if (strcmp(p, "output_file") == 0) {
+ opt.output_file = q;
+ } else {
+ goto usage;
+ }
+ }
+
+ /*
+ * 1.1. Load the PEM file
+ */
+ mbedtls_printf("\n . Loading the PEM file ...");
+ fflush(stdout);
+
+ ret = load_file(opt.filename, &pem_buffer, &pem_size);
+
+ if (ret != 0) {
+#ifdef MBEDTLS_ERROR_C
+ mbedtls_strerror(ret, buf, 1024);
+#endif
+ mbedtls_printf(" failed\n ! load_file returned %d - %s\n\n", ret, buf);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+
+ /*
+ * 1.2. Convert from PEM to DER
+ */
+ mbedtls_printf(" . Converting from PEM to DER ...");
+ fflush(stdout);
+
+ if ((ret = convert_pem_to_der(pem_buffer, pem_size, der_buffer, &der_size)) != 0) {
+#ifdef MBEDTLS_ERROR_C
+ mbedtls_strerror(ret, buf, 1024);
+#endif
+ mbedtls_printf(" failed\n ! convert_pem_to_der %d - %s\n\n", ret, buf);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+
+ /*
+ * 1.3. Write the DER file
+ */
+ mbedtls_printf(" . Writing the DER file ...");
+ fflush(stdout);
+
+ ret = write_file(opt.output_file, der_buffer, der_size);
+
+ if (ret != 0) {
+#ifdef MBEDTLS_ERROR_C
+ mbedtls_strerror(ret, buf, 1024);
+#endif
+ mbedtls_printf(" failed\n ! write_file returned %d - %s\n\n", ret, buf);
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n");
+
+ exit_code = MBEDTLS_EXIT_SUCCESS;
+
+exit:
+ free(pem_buffer);
+
+ mbedtls_exit(exit_code);
+}
+#endif /* MBEDTLS_BASE64_C && MBEDTLS_FS_IO */
diff --git a/programs/util/strerror.c b/programs/util/strerror.c
new file mode 100644
index 00000000000..316f28614bb
--- /dev/null
+++ b/programs/util/strerror.c
@@ -0,0 +1,61 @@
+/*
+ * Translate error code to error string
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+
+#include "mbedtls/build_info.h"
+
+#include "mbedtls/platform.h"
+
+#if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY)
+#include "mbedtls/error.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#endif
+
+#define USAGE \
+ "\n usage: strerror <errorcode>\n" \
+ "\n where <errorcode> can be a decimal or hexadecimal (starts with 0x or -0x)\n"
+
+#if !defined(MBEDTLS_ERROR_C) && !defined(MBEDTLS_ERROR_STRERROR_DUMMY)
+int main(void)
+{
+ mbedtls_printf("MBEDTLS_ERROR_C and/or MBEDTLS_ERROR_STRERROR_DUMMY not defined.\n");
+ mbedtls_exit(0);
+}
+#else
+int main(int argc, char *argv[])
+{
+ long int val;
+ char *end = argv[1];
+
+ if (argc != 2) {
+ mbedtls_printf(USAGE);
+ mbedtls_exit(0);
+ }
+
+ val = strtol(argv[1], &end, 10);
+ if (*end != '\0') {
+ val = strtol(argv[1], &end, 16);
+ if (*end != '\0') {
+ mbedtls_printf(USAGE);
+ return 0;
+ }
+ }
+ if (val > 0) {
+ val = -val;
+ }
+
+ if (val != 0) {
+ char error_buf[200];
+ mbedtls_strerror(val, error_buf, 200);
+ mbedtls_printf("Last error was: -0x%04x - %s\n\n", (unsigned int) -val, error_buf);
+ }
+
+ mbedtls_exit(val);
+}
+#endif /* MBEDTLS_ERROR_C */
generated by cgit v1.2.3 (git 2.0.4) at 2025-09-21 14:25:36 +0000