colog_matches_t match(const char *pattern, const char *source)
{
colog_matches_t matches;
int analyzed_length;
char* extract = NULL;
char* analyzed = xalloc((strlen(source) + 1) * sizeof(char));
char* tmp;
int cont = 1;
matches.list = NULL;
matches.length = 0;
strcpy(analyzed, source);
while (cont) {
extract = execute_regex(pattern, analyzed);
if (extract) {
if (!in_array(extract, matches.list, matches.length)) {
matches.list = xrealloc(matches.list, (matches.length + 1) * sizeof(char *));
matches.list[matches.length] = xalloc((strlen(extract) + 1) * sizeof(char));
strcpy(matches.list[matches.length], extract);
matches.length++;
tmp = str_replace(analyzed, extract, "");
free(analyzed);
analyzed = tmp;
}
free(extract);
} else {
cont = 0;
}
}
free(analyzed);
return matches;
}
size_t get_file_size(char *haystack)
{
size_t result = 0;
int scanned = 0;
char *match;
match = execute_regex("size=(\\d+)", haystack, 1);
scanned = sscanf(match, "%ld", &result);
if (scanned != 1) {
fprintf(stderr,
"Regex Scanning Error. Probably a badly formatted ybegin line!\n");
return 0;
}
free(match);
return result;
}
//compile and select the correct regex string depending on type.
int regex_string(char* source, char* dest, int type)
{
regex_t reg;
char* query;
switch(type)
{
case DOMAIN: query = regtable[DOMAIN];
break;
case PROTOCOL: query = regtable[PROTOCOL];
break;
}
printf ("Searching for '%s' in '%s'\n", query, source);
if (regcomp(®, query, REG_EXTENDED|REG_NEWLINE) != 0)
printf("Failed to compile %s", query);
execute_regex(®, source, dest);
regfree(®);
}
int main(int argc, char *argv[])
{
char *data_head = NULL;
char *data_tail = NULL;
char *data = NULL;
char *output_data = NULL;
int parse_result = 0;
int output_data_length, intput_data_length;
size_t file_size;
char *file_name = NULL;
FILE *fp;
DWORD checksum;
/* needs at least 1 argument! */
if (argc < 2) {
fprintf(stderr, "Too few arguments! usage: %s somefile.txt\n",
argv[0]);
return 1;
}
parse_result = parse_file(argv[1], &data_head, &data_tail,
&data, &intput_data_length);
if (parse_result != 1)
return parse_result;
if (!data_head || !data_tail || !data) {
fprintf(stderr, "Not a YEnc file!\n");
return 1;
}
file_size = get_file_size(data_head);
file_name = execute_regex("name=(\\S+)", data_head, 1);
if (!file_name)
file_name = "output.txt";
output_data = (char *) malloc(file_size);
decode(data, file_size, output_data, &output_data_length,
intput_data_length);
fp = fopen(file_name, "wb");
fwrite(output_data, 1, output_data_length, fp);
checksum = crc32buf(output_data, output_data_length);
fprintf(stderr, "Checksum: %x\n", checksum);
fclose(fp);
free(file_name);
free(data_head);
free(data_tail);
free(data);
return 0;
}
