line endings?

master
JoYo 2016-07-11 22:56:22 -04:00
parent e41802ec85
commit 5dba23d673
3 changed files with 124 additions and 79 deletions

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@ -1,63 +1,90 @@
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...

48
sins.c
View File

@ -13,15 +13,17 @@
#pragma comment(lib, "openssl/sha.lib")
#define SHA_SUM_LENGTH (SHA_DIGEST_LENGTH + SHA_DIGEST_LENGTH + 1)
int generation(char* seed_path);
int generation(char *seed_path);
int reproduce(void *pic_address, size_t pic_size);
int generation(char* seed_path)
char seed_path[SHA_SUM_LENGTH];
FILE *seed_handle = NULL;
void *pic_buffer = NULL;
int generation(char *seed_path)
{
int return_value = 0;
FILE *seed_handle = NULL;
struct stat pic_statistics;
void *pic_buffer = NULL;
seed_handle = fopen(seed_path, "rb");
if (NULL == seed_handle)
@ -64,7 +66,6 @@ int generation(char* seed_path)
pic_function(pic_buffer, pic_statistics.st_size, reproduce_function);
return_value = 1;
GEN_CLEANUP:
if (NULL != pic_buffer)
@ -83,29 +84,30 @@ GEN_CLEANUP:
int reproduce(void *pic_address, size_t pic_size)
{
int return_value = 0;
char checksum[SHA_SUM_LENGTH];
unsigned char digest[SHA_DIGEST_LENGTH];
struct drand48_data drand_data;
long int mutation_value;
unsigned int mutation_offset = 0;
unsigned char pic_mutated = 0;
struct stat pic_statistics;
srand48_r(time(NULL), &drand_data);
lrand48_r(&drand_data, &mutation_value);
mutation_offset = (mutation_value % (pic_size + 1));
pic_mutated = ((unsigned char *)pic_address)[mutation_offset] & (mutation_value % 2);
pic_mutated =
((unsigned char *)pic_address)[mutation_offset] & (mutation_value % 2);
((char *)pic_address)[mutation_offset] = pic_mutated;
memset(checksum, 0, SHA_SUM_LENGTH);
memset(seed_path, 0, SHA_SUM_LENGTH);
SHA1((const unsigned char *)pic_address, pic_size, digest);
for (int iter = 0; iter < SHA_DIGEST_LENGTH; iter++)
{
sprintf(&checksum[iter * 2], "%02x", digest[iter]);
sprintf(&seed_path[iter * 2], "%02x", digest[iter]);
}
FILE *survived_store = fopen(checksum, "w+");
FILE *survived_store = fopen(seed_path, "w+");
if (NULL == survived_store)
{
return_value = errno;
@ -125,23 +127,39 @@ CLONE_CLEANUP:
{
fclose(survived_store);
}
fstat(fileno(seed_handle), &pic_statistics);
if (NULL != pic_buffer)
{
munmap(pic_buffer, pic_statistics.st_size);
}
if (NULL != seed_handle)
{
fclose(seed_handle);
seed_handle = NULL;
}
return generation(checksum);
return generation(seed_path);
}
int main(int argc, const char **argv)
{
int return_value = 1;
char seed_path[SHA_SUM_LENGTH];
pid_t scrap_process_id;
strncpy(seed_path, argv[1], SHA_SUM_LENGTH);
scrap_process_id = fork();
while (return_value)
{
if(scrap_process_id == 0)
scrap_process_id = fork();
if (scrap_process_id < 0)
{
break;
}
printf("child\t%d\n", scrap_process_id);
if (scrap_process_id == 0)
{
return_value = generation(seed_path);
}