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fixed possible SIGSEGV in listening addresses

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This commit is contained in:
Gerhard Rieger 2009-03-31 23:16:47 +02:00
parent 4645166fcd
commit e2402ad019
3 changed files with 17 additions and 9 deletions
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5
CHANGES
View File

@ -1,4 +1,9 @@
corrections:
fixed possible SIGSEGV in listening addresses when a new connection was
reset by peer before the socket addresses could be retrieved. Thanks to
Mike Perry for sending a patch.
####################### V 1.7.0.0:
new features:

2
VERSION
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@ -1 +1 @@
"1.7.0.0"
"1.7.0.0+segvonaccept"

19
xio-listen.c
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@ -1,5 +1,5 @@
/* source: xio-listen.c */
/* Copyright Gerhard Rieger 2001-2008 */
/* Copyright Gerhard Rieger 2001-2009 */
/* Published under the GNU General Public License V.2, see file COPYING */
/* this file contains the source for listen socket options */
@ -254,8 +254,10 @@ int _xioopen_listen(struct single *xfd, int xioflags, struct sockaddr *us, sockl
la = NULL;
}
Notice2("accepting connection from %s on %s",
sockaddr_info(pa?&pa->soa:NULL, pas, peername, sizeof(peername)),
sockaddr_info(pa?&la->soa:NULL, las, sockname, sizeof(sockname)));
pa?
sockaddr_info(&pa->soa, pas, peername, sizeof(peername)):"NULL",
la?
sockaddr_info(&la->soa, las, sockname, sizeof(sockname)):"NULL");
if (pa != NULL && la != NULL && xiocheckpeer(xfd, pa, la) < 0) {
if (Shutdown(ps, 2) < 0) {
@ -264,9 +266,10 @@ int _xioopen_listen(struct single *xfd, int xioflags, struct sockaddr *us, sockl
continue;
}
Info1("permitting connection from %s",
sockaddr_info((struct sockaddr *)pa, pas,
infobuff, sizeof(infobuff)));
if (pa != NULL)
Info1("permitting connection from %s",
sockaddr_info((struct sockaddr *)pa, pas,
infobuff, sizeof(infobuff)));
applyopts(xfd->fd, opts, PH_FD);
applyopts(xfd->fd, opts, PH_CONNECTED);
@ -322,8 +325,8 @@ int _xioopen_listen(struct single *xfd, int xioflags, struct sockaddr *us, sockl
return result;
/* set the env vars describing the local and remote sockets */
xiosetsockaddrenv("SOCK", la, las, proto);
xiosetsockaddrenv("PEER", pa, pas, proto);
if (la != NULL) xiosetsockaddrenv("SOCK", la, las, proto);
if (pa != NULL) xiosetsockaddrenv("PEER", pa, pas, proto);
return 0;
}