97 lines
2.1 KiB
C
97 lines
2.1 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include "libp2p/crypto/key.h"
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void read_file(char* path, char** contents) {
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FILE* fd = fopen(path, "r");
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fseek(fd, 0L, SEEK_END);
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size_t num_bytes = ftell(fd);
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rewind(fd);
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*contents = malloc(num_bytes);
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fread(*contents, 1, num_bytes, fd);
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fclose(fd);
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return;
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}
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struct PrivateKey* base64ToPrivateKey(char* base64) {
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int retVal = 0;
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size_t decode_base64_size = 0;
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unsigned char* decode_base64 = NULL;
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struct PrivateKey* out = NULL;
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// 1) take the private key and turn it back into bytes (decode base 64)
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decode_base64_size = libp2p_crypto_encoding_base64_decode_size(strlen(base64));
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decode_base64 = (unsigned char*)malloc(decode_base64_size);
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if (decode_base64 == NULL)
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goto exit;
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memset(decode_base64, 0, decode_base64_size);
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if (!libp2p_crypto_encoding_base64_decode((unsigned char*)base64, strlen(base64), &decode_base64[0], decode_base64_size, &decode_base64_size))
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goto exit;
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if (!libp2p_crypto_private_key_protobuf_decode(decode_base64, decode_base64_size, &out))
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goto exit;
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retVal = 1;
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exit:
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if (retVal != 1) {
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libp2p_crypto_private_key_free(out);
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out = NULL;
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}
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if (decode_base64 != NULL)
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free(decode_base64);
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return out;
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}
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int test_helper_get_id_from_config(char* path, struct PrivateKey** private_ptr, char** peer_ptr) {
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int retVal = 0;
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char* contents = NULL;
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char* ptr = NULL;
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char* end = NULL;
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int length = 0;
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read_file(path, &contents);
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if (contents == NULL)
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goto exit;
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// peer id
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ptr = strstr(contents, "PeerID");
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if (ptr == NULL)
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goto exit;
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ptr = strstr(ptr, "Qm");
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if (ptr == NULL)
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goto exit;
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end = strstr(ptr, "\"");
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length = end - ptr;
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*peer_ptr = malloc(length + 1);
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if (*peer_ptr == NULL)
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goto exit;
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memcpy(*peer_ptr, ptr, length);
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(*peer_ptr)[length] = 0;
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if (private_ptr != NULL) {
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// private key
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ptr = strstr(contents, "PrivKey\":");
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if (ptr == NULL)
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goto exit;
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ptr += 9;
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ptr = strstr(ptr, "\"");
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ptr++;
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end = strstr(ptr, "\"");
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end[0] = 0;
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// turn the encoded private key into a struct
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*private_ptr = base64ToPrivateKey(ptr);
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}
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retVal = 1;
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exit:
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if (contents != NULL)
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free(contents);
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return retVal;
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}
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