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| author | Jan Kiszka <jan.kiszka@siemens.com> | 2009-06-24 14:42:29 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-06-29 08:52:47 -0500 |
| commit | f8e3cbd3b5d1c76ec295cfc8858fd696188c270d (patch) | |
| tree | a26d157b96cdd693daeb5ebf034b846fa8035eb6 /slirp | |
| parent | ee9be587351dc1d53c8b0a07854a36ad5f6b6383 (diff) | |
| download | qemu-f8e3cbd3b5d1c76ec295cfc8858fd696188c270d.zip qemu-f8e3cbd3b5d1c76ec295cfc8858fd696188c270d.tar.gz qemu-f8e3cbd3b5d1c76ec295cfc8858fd696188c270d.tar.bz2 | |
slirp: tftp: Cleanup tftp_prefix check
Perform check for set prefix early (if it's not given, tftp is disabled)
and drop redundant second check.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'slirp')
| -rw-r--r-- | slirp/tftp.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/slirp/tftp.c b/slirp/tftp.c index 3358e2b..5d5614a 100644 --- a/slirp/tftp.c +++ b/slirp/tftp.c @@ -287,6 +287,12 @@ static void tftp_handle_rrq(struct tftp_t *tp, int pktlen) spt = &tftp_sessions[s]; + /* unspecifed prefix means service disabled */ + if (!tftp_prefix) { + tftp_send_error(spt, 2, "Access violation", tp); + return; + } + src = tp->x.tp_buf; dst = spt->filename; n = pktlen - ((uint8_t *)&tp->x.tp_buf[0] - (uint8_t *)tp); @@ -333,13 +339,6 @@ static void tftp_handle_rrq(struct tftp_t *tp, int pktlen) return; } - /* only allow exported prefixes */ - - if (!tftp_prefix) { - tftp_send_error(spt, 2, "Access violation", tp); - return; - } - /* check if the file exists */ if (tftp_read_data(spt, 0, spt->filename, 0) < 0) { @@ -370,7 +369,7 @@ static void tftp_handle_rrq(struct tftp_t *tp, int pktlen) int tsize = atoi(value); struct stat stat_p; - if (tsize == 0 && tftp_prefix) { + if (tsize == 0) { char buffer[1024]; int len; |