#include <stdio.h>#include <stdlib.h>#include <unistd.h>#include <string.h>#include <errno.h>#include <ctype.h> struct security_class_mapping {	const char *name;	const char *perms[sizeof(unsigned) * 8 + 1];}; #include "classmap.h"#include "initial_sid_to_string.h" #define max(x, y) (((int)(x) > (int)(y)) ? x : y) const char *progname; static void usage(void){	printf("usage: %s flask.h av_permissions.h\n", progname);	exit(1);} static char *stoupperx(const char *s){	char *s2 = strdup(s);	char *p; 	if (!s2) {		fprintf(stderr, "%s:  out of memory\n", progname);		exit(3);	} 	for (p = s2; *p; p++)		*p = toupper(*p);	return s2;} int main(int argc, char *argv[]){	int i, j, k;	int isids_len;	FILE *fout;	const char *needle = "SOCKET";	char *substr; 	progname = argv[0]; 	if (argc < 3)		usage(); 	fout = fopen(argv[1], "w");	if (!fout) {		fprintf(stderr, "Could not open %s for writing:  %s\n",			argv[1], strerror(errno));		exit(2);	} 	for (i = 0; secclass_map[i].name; i++) {		struct security_class_mapping *map = &secclass_map[i];		map->name = stoupperx(map->name);		for (j = 0; map->perms[j]; j++)			map->perms[j] = stoupperx(map->perms[j]);	} 	isids_len = sizeof(initial_sid_to_string) / sizeof (char *);	for (i = 1; i < isids_len; i++)		initial_sid_to_string[i] = stoupperx(initial_sid_to_string[i]); 	fprintf(fout, "/* This file is automatically generated.  Do not edit. */\n");	fprintf(fout, "#ifndef _SELINUX_FLASK_H_\n#define _SELINUX_FLASK_H_\n\n"); 	for (i = 0; secclass_map[i].name; i++) {		struct security_class_mapping *map = &secclass_map[i];		fprintf(fout, "#define SECCLASS_%s", map->name);		for (j = 0; j < max(1, 40 - strlen(map->name)); j++)			fprintf(fout, " ");		fprintf(fout, "%2d\n", i+1);	} 	fprintf(fout, "\n"); 	for (i = 1; i < isids_len; i++) {		const char *s = initial_sid_to_string[i];		fprintf(fout, "#define SECINITSID_%s", s);		for (j = 0; j < max(1, 40 - strlen(s)); j++)			fprintf(fout, " ");		fprintf(fout, "%2d\n", i);	}	fprintf(fout, "\n#define SECINITSID_NUM %d\n", i-1);	fprintf(fout, "\nstatic inline bool security_is_socket_class(u16 kern_tclass)\n");	fprintf(fout, "{\n");	fprintf(fout, "\tbool sock = false;\n\n");	fprintf(fout, "\tswitch (kern_tclass) {\n");	for (i = 0; secclass_map[i].name; i++) {		struct security_class_mapping *map = &secclass_map[i];		substr = strstr(map->name, needle);		if (substr && strcmp(substr, needle) == 0)			fprintf(fout, "\tcase SECCLASS_%s:\n", map->name);	}	fprintf(fout, "\t\tsock = true;\n");	fprintf(fout, "\t\tbreak;\n");	fprintf(fout, "\tdefault:\n");	fprintf(fout, "\t\tbreak;\n");	fprintf(fout, "\t}\n\n");	fprintf(fout, "\treturn sock;\n");	fprintf(fout, "}\n"); 	fprintf(fout, "\n#endif\n");	fclose(fout); 	fout = fopen(argv[2], "w");	if (!fout) {		fprintf(stderr, "Could not open %s for writing:  %s\n",			argv[2], strerror(errno));		exit(4);	} 	fprintf(fout, "/* This file is automatically generated.  Do not edit. */\n");	fprintf(fout, "#ifndef _SELINUX_AV_PERMISSIONS_H_\n#define _SELINUX_AV_PERMISSIONS_H_\n\n"); 	for (i = 0; secclass_map[i].name; i++) {		struct security_class_mapping *map = &secclass_map[i];		for (j = 0; map->perms[j]; j++) {			fprintf(fout, "#define %s__%s", map->name,				map->perms[j]);			for (k = 0; k < max(1, 40 - strlen(map->name) - strlen(map->perms[j])); k++)				fprintf(fout, " ");			fprintf(fout, "0x%08xUL\n", (1<<j));		}	} 	fprintf(fout, "\n#endif\n");	fclose(fout);	exit(0);}