84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
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#include <dirent.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 <string.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#define BUF_SIZE 4096
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char buf[BUF_SIZE];
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char namebuf[256];
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struct linux_dirent {
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uint32_t inode;
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uint16_t rec_len;
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uint8_t name_len;
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uint8_t file_type;
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char* name;
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};
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void test_failed(const char* reason)
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{
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printf("[FAILED] %s\n", reason);
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fflush(stdout);
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exit(1);
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}
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void test_ok(const char* name)
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{
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printf("[OK] %s\n", name);
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fflush(stdout);
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}
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int main(int argc, char** argv)
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{
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int fd, nread;
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struct linux_dirent* d;
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int bpos;
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setenv("PATH", "/bin:/usr/bin:/test_bin", 1);
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fd = open("/test_bin", O_RDONLY | O_DIRECTORY);
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if (fd < 0) {
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test_failed("can't open /test_bin\n");
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}
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for (;;) {
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nread = getdents(fd, buf, BUF_SIZE);
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if (nread < 0) {
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test_failed("can't read dir");
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}
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if (nread == 0)
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break;
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for (bpos = 0; bpos < nread;) {
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d = (struct linux_dirent*)(buf + bpos);
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if (((char*)&d->name)[0] != '.') {
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int pid = fork();
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if (pid) {
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int out = 0;
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waitpid(pid, &out, 0);
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if (out != 0) {
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test_failed((char*)&d->name);
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} else {
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test_ok((char*)&d->name);
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}
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} else {
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setuid(10);
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setgid(10);
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sprintf(namebuf, "/test_bin/%s", (char*)&d->name);
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execlp(namebuf, namebuf, NULL);
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exit(0);
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}
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}
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bpos += d->rec_len;
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}
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}
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printf("[ALL TESTS PASSED]\n\n");
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fflush(stdout);
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return 0;
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}
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