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libpcap
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Rename pcap_errtostr() to pcap_statustostr(), and have it handle 

PCAP_WARNING values as well.
This commit is contained in:
guy 2008-04-09 21:39:21 +00:00
parent a590c21380
commit c6aa29a8dc
5 changed files with 34 additions and 26 deletions
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4
FILES
View File

@ -1,4 +1,4 @@
CHANGES
HANGES
ChmodBPF/ChmodBPF
ChmodBPF/StartupParameters.plist
CREDITS
@ -133,7 +133,6 @@ pcap_dump_file.3pcap
pcap_dump_flush.3pcap
pcap_dump_ftell.3pcap
pcap_dump_open.3pcap
pcap_errtostr.3pcap
pcap_file.3pcap
pcap_fileno.3pcap
pcap_findalldevs.3pcap
@ -164,6 +163,7 @@ pcap_setfilter.3pcap
pcap_setnonblock.3pcap
pcap_snapshot.3pcap
pcap_stats.3pcap
pcap_statustostr.3pcap
pcap_strerror.3pcap
pcap-filter.4
pcap-linktype.4

4
Makefile.in
View File

@ -17,7 +17,7 @@
# WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
# @(#) $Header: /tcpdump/master/libpcap/Makefile.in,v 1.117 2008-04-06 20:22:13 guy Exp $ (LBL)
# @(#) $Header: /tcpdump/master/libpcap/Makefile.in,v 1.118 2008-04-09 21:39:21 guy Exp $ (LBL)
#
# Various configurable paths (remember to edit Makefile.in, not Makefile)
@ -115,7 +115,6 @@ MAN3PCAP = pcap.3pcap \
pcap_dump_flush.3pcap \
pcap_dump_ftell.3pcap \
pcap_dump_open.3pcap \
pcap_errtostr.3pcap \
pcap_file.3pcap \
pcap_fileno.3pcap \
pcap_findalldevs.3pcap \
@ -146,6 +145,7 @@ MAN3PCAP = pcap.3pcap \
pcap_setnonblock.3pcap \
pcap_snapshot.3pcap \
pcap_stats.3pcap \
pcap_statustostr.3pcap \
pcap_strerror.3pcap
MAN4 = pcap-filter.4 \

36
pcap.c
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@ -33,7 +33,7 @@
#ifndef lint
static const char rcsid[] _U_ =
"@(#) $Header: /tcpdump/master/libpcap/pcap.c,v 1.118 2008-04-09 21:26:12 guy Exp $ (LBL)";
"@(#) $Header: /tcpdump/master/libpcap/pcap.c,v 1.119 2008-04-09 21:39:21 guy Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
@ -223,19 +223,19 @@ pcap_t *
pcap_open_live(const char *source, int snaplen, int promisc, int to_ms, char *errbuf)
{
pcap_t *p;
int err;
int status;
p = pcap_create(source, errbuf);
if (p == NULL)
return (NULL);
err = pcap_set_snaplen(p, snaplen);
if (err < 0)
status = pcap_set_snaplen(p, snaplen);
if (status < 0)
goto fail;
err = pcap_set_promisc(p, promisc);
if (err < 0)
status = pcap_set_promisc(p, promisc);
if (status < 0)
goto fail;
err = pcap_set_timeout(p, to_ms);
if (err < 0)
status = pcap_set_timeout(p, to_ms);
if (status < 0)
goto fail;
/*
* Mark this as opened with pcap_open_live(), so that, for
@ -248,17 +248,17 @@ pcap_open_live(const char *source, int snaplen, int promisc, int to_ms, char *er
* the adapter is in monitor mode or not.
*/
p->oldstyle = 1;
err = pcap_activate(p);
if (err < 0)
status = pcap_activate(p);
if (status < 0)
goto fail;
return (p);
fail:
if (err == PCAP_ERROR || err == PCAP_ERROR_NO_SUCH_DEVICE ||
err == PCAP_ERROR_PERM_DENIED)
if (status == PCAP_ERROR || status == PCAP_ERROR_NO_SUCH_DEVICE ||
status == PCAP_ERROR_PERM_DENIED)
strlcpy(errbuf, p->errbuf, PCAP_ERRBUF_SIZE);
else
snprintf(errbuf, PCAP_ERRBUF_SIZE, "%s: %s", source,
pcap_errtostr(err));
pcap_statustostr(status));
pcap_close(p);
return (NULL);
}
@ -893,15 +893,21 @@ pcap_win32strerror(void)
#endif
/*
* Generate error strings for PCAP_ERROR_ values.
* Generate error strings for PCAP_ERROR_ and PCAP_WARNING_ values.
*/
const char *
pcap_errtostr(int errnum)
pcap_statustostr(int errnum)
{
static char ebuf[15+10+1];
switch (errnum) {
case PCAP_WARNING:
return("Generic warning");
case PCAP_WARNING_PROMISC_NOTSUP:
return ("That device doesn't support promiscuous mode");
case PCAP_ERROR:
return("Generic error");

4
pcap/pcap.h
View File

@ -31,7 +31,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#) $Header: /tcpdump/master/libpcap/pcap/pcap.h,v 1.9 2008-04-09 21:26:12 guy Exp $ (LBL)
* @(#) $Header: /tcpdump/master/libpcap/pcap/pcap.h,v 1.10 2008-04-09 21:39:21 guy Exp $ (LBL)
*/
#ifndef lib_pcap_pcap_h
@ -279,7 +279,7 @@ int pcap_getnonblock(pcap_t *, char *);
int pcap_setnonblock(pcap_t *, int, char *);
int pcap_inject(pcap_t *, const void *, size_t);
int pcap_sendpacket(pcap_t *, const u_char *, int);
const char *pcap_errtostr(int);
const char *pcap_statustostr(int);
const char *pcap_strerror(int);
char *pcap_geterr(pcap_t *);
void pcap_perror(pcap_t *, char *);

12
pcap_errtostr.3pcap → pcap_statustostr.3pcap
View File

@ -1,4 +1,4 @@
.\" @(#) $Header: /tcpdump/master/libpcap/Attic/pcap_errtostr.3pcap,v 1.1 2008-04-06 19:55:33 guy Exp $
.\" @(#) $Header: /tcpdump/master/libpcap/pcap_statustostr.3pcap,v 1.1 2008-04-09 21:39:21 guy Exp $
.\"
.\" Copyright (c) 1994, 1996, 1997
.\" The Regents of the University of California. All rights reserved.
@ -19,9 +19,9 @@
.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
.\"
.TH PCAP_ERRTOSTR 3PCAP "6 April 2008"
.TH PCAP_STATUSTOSTR 3PCAP "9 April 2008"
.SH NAME
pcap_errtostr \- convert a PCAP_ERROR_ value to a string
pcap_statustostr \- convert a PCAP_ERROR_ or PCAP_WARNING_ value to a string
.SH SYNOPSIS
.nf
.ft B
@ -29,13 +29,15 @@ pcap_errtostr \- convert a PCAP_ERROR_ value to a string
.ft
.LP
.ft B
const char *pcap_errtostr(int error);
const char *pcap_statustostr(int error);
.ft
.fi
.SH DESCRIPTION
.B pcap_errtostr()
.B pcap_statustostr()
converts a
.B PCAP_ERROR_
or
.B PCAP_WARNING_
value returned by a libpcap routine to an error string.
.SH SEE ALSO
pcap(3PCAP)