2 /* NOTE: we really do want to use the kernel headers here */
3 #define __EXPORTED_HEADERS__
12 struct security_class_mapping {
14 const char *perms[sizeof(unsigned) * 8 + 1];
18 #include "initial_sid_to_string.h"
20 #define max(x, y) (((int)(x) > (int)(y)) ? x : y)
24 static void usage(void)
26 printf("usage: %s flask.h av_permissions.h\n", progname);
30 static char *stoupperx(const char *s)
36 fprintf(stderr, "%s: out of memory\n", progname);
45 int main(int argc, char *argv[])
50 const char *needle = "SOCKET";
58 fout = fopen(argv[1], "w");
60 fprintf(stderr, "Could not open %s for writing: %s\n",
61 argv[1], strerror(errno));
65 for (i = 0; secclass_map[i].name; i++) {
66 struct security_class_mapping *map = &secclass_map[i];
67 map->name = stoupperx(map->name);
68 for (j = 0; map->perms[j]; j++)
69 map->perms[j] = stoupperx(map->perms[j]);
72 isids_len = sizeof(initial_sid_to_string) / sizeof (char *);
73 for (i = 1; i < isids_len; i++)
74 initial_sid_to_string[i] = stoupperx(initial_sid_to_string[i]);
76 fprintf(fout, "/* This file is automatically generated. Do not edit. */\n");
77 fprintf(fout, "#ifndef _SELINUX_FLASK_H_\n#define _SELINUX_FLASK_H_\n\n");
79 for (i = 0; secclass_map[i].name; i++) {
80 struct security_class_mapping *map = &secclass_map[i];
81 fprintf(fout, "#define SECCLASS_%s", map->name);
82 for (j = 0; j < max(1, 40 - strlen(map->name)); j++)
84 fprintf(fout, "%2d\n", i+1);
89 for (i = 1; i < isids_len; i++) {
90 const char *s = initial_sid_to_string[i];
91 fprintf(fout, "#define SECINITSID_%s", s);
92 for (j = 0; j < max(1, 40 - strlen(s)); j++)
94 fprintf(fout, "%2d\n", i);
96 fprintf(fout, "\n#define SECINITSID_NUM %d\n", i-1);
97 fprintf(fout, "\nstatic inline bool security_is_socket_class(u16 kern_tclass)\n");
99 fprintf(fout, "\tbool sock = false;\n\n");
100 fprintf(fout, "\tswitch (kern_tclass) {\n");
101 for (i = 0; secclass_map[i].name; i++) {
102 struct security_class_mapping *map = &secclass_map[i];
103 substr = strstr(map->name, needle);
104 if (substr && strcmp(substr, needle) == 0)
105 fprintf(fout, "\tcase SECCLASS_%s:\n", map->name);
107 fprintf(fout, "\t\tsock = true;\n");
108 fprintf(fout, "\t\tbreak;\n");
109 fprintf(fout, "\tdefault:\n");
110 fprintf(fout, "\t\tbreak;\n");
111 fprintf(fout, "\t}\n\n");
112 fprintf(fout, "\treturn sock;\n");
113 fprintf(fout, "}\n");
115 fprintf(fout, "\n#endif\n");
118 fout = fopen(argv[2], "w");
120 fprintf(stderr, "Could not open %s for writing: %s\n",
121 argv[2], strerror(errno));
125 fprintf(fout, "/* This file is automatically generated. Do not edit. */\n");
126 fprintf(fout, "#ifndef _SELINUX_AV_PERMISSIONS_H_\n#define _SELINUX_AV_PERMISSIONS_H_\n\n");
128 for (i = 0; secclass_map[i].name; i++) {
129 struct security_class_mapping *map = &secclass_map[i];
130 for (j = 0; map->perms[j]; j++) {
131 fprintf(fout, "#define %s__%s", map->name,
133 for (k = 0; k < max(1, 40 - strlen(map->name) - strlen(map->perms[j])); k++)
135 fprintf(fout, "0x%08xUL\n", (1<<j));
139 fprintf(fout, "\n#endif\n");