1#include <stdio.h> 2#include <stdlib.h> 3#include <unistd.h> 4#include <string.h> 5#include <errno.h> 6#include <ctype.h> 7 8struct security_class_mapping { 9 const char *name; 10 const char *perms[sizeof(unsigned) * 8 + 1]; 11}; 12 13#include "classmap.h" 14#include "initial_sid_to_string.h" 15 16#define max(x, y) (((int)(x) > (int)(y)) ? x : y) 17 18const char *progname; 19 20static void usage(void) 21{ 22 printf("usage: %s flask.h av_permissions.h\n", progname); 23 exit(1); 24} 25 26static char *stoupperx(const char *s) 27{ 28 char *s2 = strdup(s); 29 char *p; 30 31 if (!s2) { 32 fprintf(stderr, "%s: out of memory\n", progname); 33 exit(3); 34 } 35 36 for (p = s2; *p; p++) 37 *p = toupper(*p); 38 return s2; 39} 40 41int main(int argc, char *argv[]) 42{ 43 int i, j, k; 44 int isids_len; 45 FILE *fout; 46 47 progname = argv[0]; 48 49 if (argc < 3) 50 usage(); 51 52 fout = fopen(argv[1], "w"); 53 if (!fout) { 54 fprintf(stderr, "Could not open %s for writing: %s\n", 55 argv[1], strerror(errno)); 56 exit(2); 57 } 58 59 for (i = 0; secclass_map[i].name; i++) { 60 struct security_class_mapping *map = &secclass_map[i]; 61 map->name = stoupperx(map->name); 62 for (j = 0; map->perms[j]; j++) 63 map->perms[j] = stoupperx(map->perms[j]); 64 } 65 66 isids_len = sizeof(initial_sid_to_string) / sizeof (char *); 67 for (i = 1; i < isids_len; i++) 68 initial_sid_to_string[i] = stoupperx(initial_sid_to_string[i]); 69 70 fprintf(fout, "/* This file is automatically generated. Do not edit. */\n"); 71 fprintf(fout, "#ifndef _SELINUX_FLASK_H_\n#define _SELINUX_FLASK_H_\n\n"); 72 73 for (i = 0; secclass_map[i].name; i++) { 74 struct security_class_mapping *map = &secclass_map[i]; 75 fprintf(fout, "#define SECCLASS_%s", map->name); 76 for (j = 0; j < max(1, 40 - strlen(map->name)); j++) 77 fprintf(fout, " "); 78 fprintf(fout, "%2d\n", i+1); 79 } 80 81 fprintf(fout, "\n"); 82 83 for (i = 1; i < isids_len; i++) { 84 const char *s = initial_sid_to_string[i]; 85 fprintf(fout, "#define SECINITSID_%s", s); 86 for (j = 0; j < max(1, 40 - strlen(s)); j++) 87 fprintf(fout, " "); 88 fprintf(fout, "%2d\n", i); 89 } 90 fprintf(fout, "\n#define SECINITSID_NUM %d\n", i-1); 91 fprintf(fout, "\n#endif\n"); 92 fclose(fout); 93 94 fout = fopen(argv[2], "w"); 95 if (!fout) { 96 fprintf(stderr, "Could not open %s for writing: %s\n", 97 argv[2], strerror(errno)); 98 exit(4); 99 } 100 101 fprintf(fout, "/* This file is automatically generated. Do not edit. */\n"); 102 fprintf(fout, "#ifndef _SELINUX_AV_PERMISSIONS_H_\n#define _SELINUX_AV_PERMISSIONS_H_\n\n"); 103 104 for (i = 0; secclass_map[i].name; i++) { 105 struct security_class_mapping *map = &secclass_map[i]; 106 for (j = 0; map->perms[j]; j++) { 107 fprintf(fout, "#define %s__%s", map->name, 108 map->perms[j]); 109 for (k = 0; k < max(1, 40 - strlen(map->name) - strlen(map->perms[j])); k++) 110 fprintf(fout, " "); 111 fprintf(fout, "0x%08xUL\n", (1<<j)); 112 } 113 } 114 115 fprintf(fout, "\n#endif\n"); 116 fclose(fout); 117 exit(0); 118} 119