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user-late and group-late, when applied to a pty, affected the system device /dev/ptmx

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This commit is contained in:
Gerhard Rieger 2010-01-09 10:10:48 +01:00
parent 30a3ec3baa
commit 80286cdeb5
5 changed files with 146 additions and 3 deletions

28
xio-pty.c
View file

@ -165,7 +165,33 @@ static int xioopen_pty(int argc, const char *argv[], struct opt *opts, int xiofl
xfd->stream.dtype = XIODATA_PTY;
applyopts(ptyfd, opts, PH_FD);
{
/* special handling of user-late etc.; with standard behaviour (up to
1.7.1.1) they affected /dev/ptmx instead of /dev/pts/N */
uid_t uid = -1, gid = -1;
mode_t perm;
bool dont;
dont = retropt_uid(opts, OPT_USER_LATE, &uid);
dont &= retropt_gid(opts, OPT_GROUP_LATE, &gid);
if (!dont) {
if (Chown(ptyname, uid, gid) < 0) {
Error4("chown(\"%s\", %d, %d): %s",
ptyname, uid, gid, strerror(errno));
}
}
if (retropt_mode(opts, OPT_PERM_LATE, &perm) == 0) {
if (Chmod(ptyname, perm) < 0) {
Error3("chmod(\"%s\", %03o): %s",
ptyname, perm, strerror(errno));
}
}
}
xfd->stream.fd = ptyfd;
applyopts(ptyfd, opts, PH_LATE);
if (applyopts_single(&xfd->stream, opts, PH_LATE) < 0) return -1;