e4f2bcce24
When building with clang, multiple noreturn issues arise, for instance: selabel_partial_match.c:11:1: error: function 'usage' could be declared with attribute 'noreturn' [-Werror,-Wmissing-noreturn] Fix these. Signed-off-by: William Roberts <william.c.roberts@intel.com>
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
#include <unistd.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <ctype.h>
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#include <selinux/selinux.h>
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static __attribute__ ((__noreturn__)) void usage(const char *name, const char *detail, int rc)
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{
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fprintf(stderr, "usage: %s command [ fromcon ]\n", name);
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if (detail)
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fprintf(stderr, "%s: %s\n", name, detail);
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exit(rc);
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}
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static char * get_selinux_proc_context(const char *command, char * execcon) {
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char * fcon = NULL, *newcon = NULL;
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int ret = getfilecon(command, &fcon);
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if (ret < 0) goto err;
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ret = security_compute_create(execcon, fcon, string_to_security_class("process"), &newcon);
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if (ret < 0) goto err;
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err:
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freecon(fcon);
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return newcon;
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}
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int main(int argc, char **argv)
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{
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int ret = -1;
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char * proccon = NULL, *con = NULL;
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if (argc < 2 || argc > 3)
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usage(argv[0], "Invalid number of arguments", -1);
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if (argc == 2) {
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if (getcon(&con) < 0) {
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perror(argv[0]);
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return -1;
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}
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} else {
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con = strdup(argv[2]);
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}
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proccon = get_selinux_proc_context(argv[1], con);
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if (proccon) {
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printf("%s\n", proccon);
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ret = 0;
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} else {
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perror(argv[0]);
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}
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free(proccon);
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free(con);
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return ret;
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}
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