selinux: generate flask headers during kernel build (8753f6be) · Commits · e / devices / android_kernel_teracube_mt6765

scripts/selinux/Makefile

+2 −2

Original line number	Original line	Diff line number	Diff line
	subdir-y := mdp		subdir-y := mdp genheaders
	subdir- += mdp		subdir- += mdp genheaders

scripts/selinux/genheaders/Makefile

0 → 100644

+5 −0

Original line number	Original line	Diff line number	Diff line
			hostprogs-y := genheaders
			HOST_EXTRACFLAGS += -Isecurity/selinux/include

			always := $(hostprogs-y)
			clean-files := $(hostprogs-y)

scripts/selinux/genheaders/genheaders.c

0 → 100644

+118 −0

Original line number	Original line	Diff line number	Diff line
			#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) ((x > y) ? x : y)

			const char *progname;

			void usage(void)
			{
			printf("usage: %s flask.h av_permissions.h\n", progname);
			exit(1);
			}

			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;

			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++) {
			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, "\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);
			}

security/selinux/Makefile

+9 −1

Original line number	Original line	Diff line number	Diff line
	@@ -18,5 +18,13 @@ selinux-$(CONFIG_SECURITY_NETWORK_XFRM) += xfrm.o

	selinux-$(CONFIG_NETLABEL) += netlabel.o		selinux-$(CONFIG_NETLABEL) += netlabel.o

	EXTRA_CFLAGS += -Isecurity/selinux/include		EXTRA_CFLAGS += -Isecurity/selinux -Isecurity/selinux/include

			$(obj)/avc.o: $(obj)/flask.h

			quiet_cmd_flask = GEN $(obj)/flask.h $(obj)/av_permissions.h
			cmd_flask = scripts/selinux/genheaders/genheaders $(obj)/flask.h $(obj)/av_permissions.h

			targets += flask.h
			$(obj)/flask.h: $(src)/include/classmap.h FORCE
			$(call if_changed,flask)

security/selinux/include/av_permissions.h

deleted100644 → 0

+0 −870

File deleted.

Preview size limit exceeded, changes collapsed.