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symlink /bin to /usr/bin

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If the content of the appimage contains $out/bin/sh, then /bin/sh exists
and system() works.
This commit is contained in:
Symphorien Gibol 2020-07-21 11:24:02 +02:00
parent abd463366b
commit 2d68863003
1 changed files with 5 additions and 0 deletions
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5
AppRun.c
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@ -207,6 +207,11 @@ int main(int argc, char *argv[]) {
err_exit("mount(%s, %s)", usrdir, path_buf);
}
snprintf(path_buf, sizeof(path_buf), "%s/bin", rootdir);
if (symlink("/usr/bin", path_buf) < 0) {
err_exit("symlink(/usr/bin, %s)", path_buf);
}
// fixes issue #1 where writing to /proc/self/gid_map fails
// see user_namespaces(7) for more documentation
int fd_setgroups = open("/proc/self/setgroups", O_WRONLY);