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      1 #include <unistd.h>
      2 #include <stdlib.h>
      3 #include <string.h>
      4 #include <stdio.h>
      5 #include <ctype.h>
      6 #include "selinux_internal.h"
      7 #include "context_internal.h"
      8 
      9 int selinux_check_securetty_context(const char * tty_context)
     10 {
     11 	char *line = NULL;
     12 	char *start, *end = NULL;
     13 	size_t line_len = 0;
     14 	ssize_t len;
     15 	int found = -1;
     16 	FILE *fp;
     17 	fp = fopen(selinux_securetty_types_path(), "re");
     18 	if (fp) {
     19 		context_t con = context_new(tty_context);
     20 		if (con) {
     21 			const char *type = context_type_get(con);
     22 			while ((len = getline(&line, &line_len, fp)) != -1) {
     23 
     24 				if (line[len - 1] == '\n')
     25 					line[len - 1] = 0;
     26 
     27 				/* Skip leading whitespace. */
     28 				start = line;
     29 				while (*start && isspace(*start))
     30 					start++;
     31 				if (!(*start))
     32 					continue;
     33 
     34 				end = start;
     35 				while (*end && !isspace(*end))
     36 					end++;
     37 				if (*end)
     38 					*end++ = 0;
     39 				if (!strcmp(type, start)) {
     40 					found = 0;
     41 					break;
     42 				}
     43 			}
     44 			free(line);
     45 			context_free(con);
     46 		}
     47 		fclose(fp);
     48 	}
     49 
     50 	return found;
     51 }
     52 
     53 hidden_def(selinux_check_securetty_context)
     54