static errno_t get_active_uid_linux(hash_table_t *table, uid_t search_uid)
{
DIR *proc_dir = NULL;
struct dirent *dirent;
int ret, err;
pid_t pid = -1;
uid_t uid;
hash_key_t key;
hash_value_t value;
proc_dir = opendir("/proc");
if (proc_dir == NULL) {
ret = errno;
DEBUG(SSSDBG_CRIT_FAILURE, "Cannot open proc dir.\n");
goto done;
};
errno = 0;
while ((dirent = readdir(proc_dir)) != NULL) {
if (only_numbers(dirent->d_name) != 0) continue;
ret = name_to_pid(dirent->d_name, &pid);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "name_to_pid failed.\n");
goto done;
}
ret = get_uid_from_pid(pid, &uid);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "get_uid_from_pid failed.\n");
goto done;
}
if (table != NULL) {
key.type = HASH_KEY_ULONG;
key.ul = (unsigned long) uid;
value.type = HASH_VALUE_ULONG;
value.ul = (unsigned long) uid;
ret = hash_enter(table, &key, &value);
if (ret != HASH_SUCCESS) {
DEBUG(SSSDBG_CRIT_FAILURE,
"cannot add to table [%s]\n", hash_error_string(ret));
ret = ENOMEM;
goto done;
}
} else {
if (uid == search_uid) {
ret = EOK;
goto done;
}
}
errno = 0;
}
if (errno != 0 && dirent == NULL) {
ret = errno;
DEBUG(SSSDBG_CRIT_FAILURE, "readdir failed.\n");
goto done;
}
ret = closedir(proc_dir);
proc_dir = NULL;
if (ret == -1) {
DEBUG(SSSDBG_CRIT_FAILURE, "closedir failed, watch out.\n");
}
if (table != NULL) {
ret = EOK;
} else {
ret = ENOENT;
}
done:
if (proc_dir != NULL) {
err = closedir(proc_dir);
if (err) {
DEBUG(SSSDBG_CRIT_FAILURE, "closedir failed, bad dirp?\n");
}
}
return ret;
}
int main(void)
{
FILE *primefile;
char first_range_string[128], second_range_string[128];
char *endptr;
unsigned char filecount;
bool line_number_switch;
u_long_64 file_linecount, *semiprimes = NULL, semiprimes_count = 0;
u_long_64 first_range,second_range;
unsigned int x;
int perc = 0;
welcome();
for(;;) {
// first, lets clean up
memset(first_range_string,'\0',128);
memset(second_range_string,'\0',128);
first_range=second_range=perc=0;
line_number_switch=0;
filecount=1;
file_linecount=2;
//! First Range
printf("\n\nPlease enter the lowest range number: ");
scanf("%s",&first_range_string);
if(!strcasecmp("exit",first_range_string)) return 0;
if(first_range_string[0] == '-')
{
negative_input(); /*if the input is negative, show the error message*/
continue; // you can see continue just like goto
}
first_range = strtoull(first_range_string,&endptr,0);
if(*endptr == '.') /*if the user types a float number, show this message*/
decimal_input(first_range, first_range_string);
if((*endptr) && *endptr != '.')
{
only_numbers();
continue;
}
//! Second Range
printf("Please enter the highest range number: ");
scanf("%s",&second_range_string);
if(!strcasecmp("exit",second_range_string)) return(0);
if(second_range_string[0] == '-')
{
negative_input(); /*if the input is negative, show the error message*/
continue;
}
second_range = strtoull(second_range_string,&endptr,0);
if(*endptr == '.')
decimal_input(second_range, second_range_string); /*if the user types a float number, show this message*/
if((*endptr) && *endptr != '.')
{
only_numbers();
continue;
}
//! Check Ranges
if(first_range>=second_range) /*if the user types a bad range, show error message*/
{
bad_ranges();
continue;
}
//! End error check
printf("\n");
primefile = file_init(primefile);
semiprimes = semiprimegen(first_range, second_range, &semiprimes_count);
#ifdef PROGRESS
printf("\nWriting to file...\n");
#ifdef WIN32
fflush(stdout);
#else
fpurge(stoud);
#endif
#endif
// prints semiprimes found
for(x=0; x<semiprimes_count; x++)
{
// printf(VAL_FORMAT "\t", *(semiprimes + x));
if(line_number_switch==0) // first line
{
fprintf(primefile,"1.");
line_number_switch=true;
}
fprintf(primefile,"\t" VAL_FORMAT , *(semiprimes + x)); // print the number to the text file
if(filecount==10) // it will insert a new line in the text file, change value if desired
{
fprintf(primefile,"\n" VAL_FORMAT ".",file_linecount);
filecount=0; // reset
file_linecount++; // number of lines written
}
filecount++; // number of printed primes
#ifdef PROGRESS
if( (perc+1) <= (int)(100.0 * x / semiprimes_count)) {
perc = (int)(100.0 * x / semiprimes_count);
progress(false, perc);
}
#endif
}
#ifdef PROGRESS
progress(false, 100);
printf("\n");
#ifdef WIN32
fflush(stdout);
#else
fpurge(stoud);
#endif
#endif
results(primefile, first_range, second_range, semiprimes_count);
//! After Results Given
// unload
free(semiprimes);
printf("\nCheck the \"semiprimes.txt\" file,\nGenerated in the same Directory this Program is In.\n");
} //! End for
return 0;
}
int main(void)
{
char first_range_string[128], second_range_string[128];
char *endptr;
welcome();
for(;;){
// first, lets clean up just in case
memset(first_range_string,'\0',128);
memset(second_range_string,'\0',128);
first_range=second_range=prime_numbers=0;
//! First Range
printf("\n\nPlease enter the lowest range number: ");
scanf("%s",&first_range_string);
if(!strcasecmp("exit",first_range_string)) return 0;
else if(first_range_string[0] == '-' && first_range_string[1] == '-')
{
optparse(&first_range_string[2]);
continue;
}
if(first_range_string[0] == '-')
{
negative_input(); /*if the input is negative, show the error message*/
continue; // you can see continue just like goto
}
first_range = strtoull(first_range_string,&endptr,0);
if(*endptr == '.') /*if the user types a float number, show this message*/
decimal_input(first_range, first_range_string);
if((*endptr) && *endptr != '.')
{
only_numbers();
continue;
}
//! Second Range
printf("Please enter the highest range number: ");
scanf("%s",&second_range_string);
if(!strcasecmp("exit",second_range_string)) return(0);
else if(first_range_string[0] == '-' && first_range_string[1] == '-')
{
optparse(&first_range_string[2]);
continue;
}
if(second_range_string[0] == '-')
{
negative_input(); /*if the input is negative, show the error message*/
continue;
}
second_range = strtoull(second_range_string,&endptr,0);
if(*endptr == '.')
decimal_input(second_range, second_range_string); /*if the user types a float number, show this message*/
if((*endptr) && *endptr != '.')
{
only_numbers();
continue;
}
//! Check Ranges
if(first_range>=second_range) /*if the user types a bad range, show error message*/
{
bad_ranges();
continue;
}
//! End error check
printf("\n");
file_init();
if(!options.progress)
primegen();
else
primegen_prog();
results();
//! After Results Given
printf("\nCheck the \"primes.txt\" file, Generated in the same Directory this Program is In.\n");
} //! End for
return 0;
}
