0c407c3f1d
Print error description on failure after functions known to set errno. Also mention the library function name in getenforce, policyvers and setenforce instead of the program name twice. Signed-off-by: Christian Göttsche <cgzones@googlemail.com> Acked-by: James Carter <jwcart2@gmail.com>
66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
#include <unistd.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <selinux/selinux.h>
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int main(int argc, char **argv)
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{
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struct av_decision avd;
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security_class_t tclass;
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int ret;
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if (argc != 4) {
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fprintf(stderr, "usage: %s scontext tcontext tclass\n",
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argv[0]);
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exit(1);
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}
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if (security_check_context(argv[1])) {
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fprintf(stderr, "%s: invalid source context '%s'\n", argv[0], argv[1]);
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exit(4);
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}
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if (security_check_context(argv[2])) {
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fprintf(stderr, "%s: invalid target context '%s'\n", argv[0], argv[2]);
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exit(5);
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}
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tclass = string_to_security_class(argv[3]);
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if (!tclass) {
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fprintf(stderr, "%s: invalid class '%s'\n", argv[0], argv[3]);
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exit(2);
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}
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ret = security_compute_av(argv[1], argv[2], tclass, 1, &avd);
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if (ret < 0) {
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fprintf(stderr, "%s: security_compute_av failed: %s\n", argv[0], strerror(errno));
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exit(3);
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}
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printf("allowed=");
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print_access_vector(tclass, avd.allowed);
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printf("\n");
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if (avd.decided != ~0U) {
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printf("decided=");
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print_access_vector(tclass, avd.decided);
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printf("\n");
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}
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if (avd.auditallow) {
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printf("auditallow=");
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print_access_vector(tclass, avd.auditallow);
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printf("\n");
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}
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if (avd.auditdeny != ~0U) {
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printf("auditdeny");
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print_access_vector(tclass, avd.auditdeny);
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printf("\n");
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}
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exit(EXIT_SUCCESS);
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}
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