1 // SPDX-License-Identifier: GPL-2.0
3 /* NOTE: we really do want to use the kernel headers here */
4 #define __EXPORTED_HEADERS__
13 struct security_class_mapping {
15 const char *perms[sizeof(unsigned) * 8 + 1];
19 #include "initial_sid_to_string.h"
23 static void usage(void)
25 printf("usage: %s flask.h av_permissions.h\n", progname);
29 static char *stoupperx(const char *s)
35 fprintf(stderr, "%s: out of memory\n", progname);
44 int main(int argc, char *argv[])
55 fout = fopen(argv[1], "w");
57 fprintf(stderr, "Could not open %s for writing: %s\n",
58 argv[1], strerror(errno));
62 fprintf(fout, "/* This file is automatically generated. Do not edit. */\n");
63 fprintf(fout, "#ifndef _SELINUX_FLASK_H_\n#define _SELINUX_FLASK_H_\n\n");
65 for (i = 0; secclass_map[i].name; i++) {
66 char *name = stoupperx(secclass_map[i].name);
68 fprintf(fout, "#define SECCLASS_%-39s %2d\n", name, i+1);
74 isids_len = sizeof(initial_sid_to_string) / sizeof(char *);
75 for (i = 1; i < isids_len; i++) {
76 const char *s = initial_sid_to_string[i];
78 char *sidname = stoupperx(s);
80 fprintf(fout, "#define SECINITSID_%-39s %2d\n", sidname, i);
84 fprintf(fout, "\n#define SECINITSID_NUM %d\n", i-1);
85 fprintf(fout, "\nstatic inline bool security_is_socket_class(u16 kern_tclass)\n");
87 fprintf(fout, "\tbool sock = false;\n\n");
88 fprintf(fout, "\tswitch (kern_tclass) {\n");
89 for (i = 0; secclass_map[i].name; i++) {
90 static char s[] = "SOCKET";
92 char *name = stoupperx(secclass_map[i].name);
96 if (len >= l && memcmp(name + len - l, s, l) == 0)
97 fprintf(fout, "\tcase SECCLASS_%s:\n", name);
100 fprintf(fout, "\t\tsock = true;\n");
101 fprintf(fout, "\t\tbreak;\n");
102 fprintf(fout, "\tdefault:\n");
103 fprintf(fout, "\t\tbreak;\n");
104 fprintf(fout, "\t}\n\n");
105 fprintf(fout, "\treturn sock;\n");
106 fprintf(fout, "}\n");
108 fprintf(fout, "\n#endif\n");
110 if (fclose(fout) != 0) {
111 fprintf(stderr, "Could not successfully close %s: %s\n",
112 argv[1], strerror(errno));
116 fout = fopen(argv[2], "w");
118 fprintf(stderr, "Could not open %s for writing: %s\n",
119 argv[2], strerror(errno));
123 fprintf(fout, "/* This file is automatically generated. Do not edit. */\n");
124 fprintf(fout, "#ifndef _SELINUX_AV_PERMISSIONS_H_\n#define _SELINUX_AV_PERMISSIONS_H_\n\n");
126 for (i = 0; secclass_map[i].name; i++) {
127 const struct security_class_mapping *map = &secclass_map[i];
129 char *name = stoupperx(map->name);
132 for (j = 0; map->perms[j]; j++) {
136 fprintf(stderr, "Too many permissions to fit into an access vector at (%s, %s).\n",
137 map->name, map->perms[j]);
140 permname = stoupperx(map->perms[j]);
141 fprintf(fout, "#define %s__%-*s 0x%08xU\n", name,
142 39-len, permname, 1U<<j);
148 fprintf(fout, "\n#endif\n");
150 if (fclose(fout) != 0) {
151 fprintf(stderr, "Could not successfully close %s: %s\n",
152 argv[2], strerror(errno));