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cmd/9pfuse: ignore FMODE_EXEC open flag

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Improved error message in case of unexpected open flags. The message

    unexpected open flags requested=0100040 unhandled=040

prompted me to clear the FMODE_EXEC flag, although I wonder if I
shouldn't have set OEXEC (0x3) instead.
This commit is contained in:
Nicola Girardi 2019-07-22 18:39:56 +00:00 committed by Russ Cox
parent ac6456a0cc
commit 93f9789c04
1 changed files with 11 additions and 2 deletions
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13
src/cmd/9pfuse/main.c
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@ -51,6 +51,14 @@
# endif
#endif
#ifndef FMODE_EXEC
# if defined(__linux__)
# define FMODE_EXEC 040
# else
# define FMODE_EXEC 0
# endif
#endif
int debug;
char *argv0;
char *aname = "";
@ -583,7 +591,7 @@ _fuseopen(FuseMsg *m, int isdir)
flags = in->flags;
openmode = flags&3;
flags &= ~3;
flags &= ~(O_DIRECTORY|O_NONBLOCK|O_LARGEFILE|O_CLOEXEC);
flags &= ~(O_DIRECTORY|O_NONBLOCK|O_LARGEFILE|O_CLOEXEC|FMODE_EXEC);
#ifdef O_NOFOLLOW
flags &= ~O_NOFOLLOW;
#endif
@ -602,13 +610,14 @@ _fuseopen(FuseMsg *m, int isdir)
openmode |= OTRUNC;
flags &= ~O_TRUNC;
}
/*
* Could translate but not standard 9P:
* O_DIRECT -> ODIRECT
* O_NONBLOCK -> ONONBLOCK
*/
if(flags){
fprint(2, "unexpected open flags %#uo\n", (uint)in->flags);
fprint(2, "unexpected open flags requested=%#uo unhandled=%#uo\n", (uint)in->flags, (uint)flags);
replyfuseerrno(m, EACCES);
return;
}