selinux/libselinux/utils/selinuxexeccon.c
Daniel P. Berrange 5f8ce37021 libselinux: Fix const-ness of parameters & make usage() methods static
Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Dan Walsh <dwalsh@redhat.com>
2012-03-28 14:52:12 -04:00

61 lines
1.2 KiB
C

#include <unistd.h>
#include <sys/types.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <ctype.h>
#include <selinux/flask.h>
#include <selinux/selinux.h>
static void usage(const char *name, const char *detail, int rc)
{
fprintf(stderr, "usage: %s command [ fromcon ]\n", name);
if (detail)
fprintf(stderr, "%s: %s\n", name, detail);
exit(rc);
}
static security_context_t get_selinux_proc_context(const char *command, security_context_t execcon) {
security_context_t fcon = NULL, newcon = NULL;
int ret = getfilecon(command, &fcon);
if (ret < 0) goto err;
ret = security_compute_create(execcon, fcon, SECCLASS_PROCESS, &newcon);
if (ret < 0) goto err;
err:
freecon(fcon);
return newcon;
}
int main(int argc, char **argv)
{
int ret = -1;
security_context_t proccon = NULL, con = NULL;
if (argc < 2 || argc > 3)
usage(argv[0], "Invalid number of arguments", -1);
if (argc == 2) {
if (getcon(&con) < 0) {
perror(argv[0]);
return -1;
}
} else {
con = strdup(argv[2]);
}
proccon = get_selinux_proc_context(argv[1], con);
if (proccon) {
printf("%s\n", proccon);
ret = 0;
} else {
perror(argv[0]);
}
free(proccon);
free(con);
return ret;
}