39 lines
1.0 KiB
C
39 lines
1.0 KiB
C
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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 <string.h>
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#include <unistd.h>
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int main(int argc, char* argv[]) {
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if (argc == 2 && !strcmp(argv[1], "--pass")) {
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fprintf(stderr,"[%d] %s immediately returning 0\n", getpid(), argv[0]);
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return 0;
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}
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if (argc == 2 && !strcmp(argv[1], "--fail")) {
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fprintf(stderr,"[%d] %s immediately returning 1\n", getpid(), argv[0]);
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return 1;
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}
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if (argc == 2 && !strcmp(argv[1], "--checkroot")) {
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int rc = (geteuid() == 0);
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fprintf(stderr,"[uid:%d] %s immediately returning (geteuid() == 0) = %d\n", geteuid(), argv[0], rc);
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return rc;
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}
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if (argc == 2 && !strcmp(argv[1], "--capmode")) {
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/* Expect to already be in capability mode: check we can't open a file */
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int rc = 0;
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int fd = open("/etc/passwd", O_RDONLY);
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if (fd > 0) {
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fprintf(stderr,"[%d] %s unexpectedly able to open file\n", getpid(), argv[0]);
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rc = 1;
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}
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fprintf(stderr,"[%d] %s --capmode returning %d\n", getpid(), argv[0], rc);
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return rc;
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}
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return -1;
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}
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