mirror of
https://github.com/clearlinux/graphene.git
synced 2026-09-08 06:41:58 +00:00
Chia-Che Tsai
7f19f62f31
Plenty of bugfixes for Linux kernel later than 3.5 and Ubuntu later than 10.10. More organized code to improve portability. Regression tests for Pal to test completeness of implementation.
38 lines
892 B
C
38 lines
892 B
C
/* -*- mode:c; c-file-style:"k&r"; c-basic-offset: 4; tab-width:4; indent-tabs-mode:nil; mode:auto-fill; fill-column:78; -*- */
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/* vim: set ts=4 sw=4 et tw=78 fo=cqt wm=0: */
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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 <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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int main (int argc, const char ** argv, const char ** envp)
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{
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int newfd = dup(1), outfd = dup(1);
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char fd_argv[4];
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snprintf(fd_argv, 4, "%d", newfd);
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char * const new_argv[] = { "./exec_victim", fd_argv, NULL };
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setenv("IN_EXECVE", "1", 1);
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int pid = vfork();
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if (pid == 0) {
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close(outfd);
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execv(new_argv[0], new_argv);
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}
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wait(NULL);
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FILE * out = fdopen(outfd, "a");
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if (!out) {
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printf("cannot open file descriptor\n");
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return -1;
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}
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fprintf(out, "Goodbye world!\n");
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return 0;
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}
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