diff options
| author | Daniel Borkmann <dborkman@redhat.com> | 2013-06-12 14:33:43 +0200 |
|---|---|---|
| committer | Daniel Borkmann <dborkman@redhat.com> | 2013-06-12 14:33:43 +0200 |
| commit | dfb45a7ac75d17c3a8421bfb53840d6db271a121 (patch) | |
| tree | 3d9882f7c077d7ff431a1379f89f2115640ce201 /netsniff-ng.c | |
| parent | 44b463529a8a9f2ccd1ec2acb8a4dfc117a636cb (diff) | |
ioops: misc: add dup{,2}_or_die to ioops
Bail out if it should ever fail. Detected by coverty in the
translate_pcap_to_txf() path.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Diffstat (limited to 'netsniff-ng.c')
| -rw-r--r-- | netsniff-ng.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/netsniff-ng.c b/netsniff-ng.c index 14ce8f2..2738b9a 100644 --- a/netsniff-ng.c +++ b/netsniff-ng.c @@ -184,7 +184,7 @@ static void pcap_to_xmit(struct ctx *ctx) tx_sock = pf_socket(); if (!strncmp("-", ctx->device_in, strlen("-"))) { - fd = dup(fileno(stdin)); + fd = dup_or_die(fileno(stdin)); close(fileno(stdin)); if (ctx->pcap == PCAP_OPS_MM) ctx->pcap = PCAP_OPS_SG; @@ -544,7 +544,7 @@ static void read_pcap(struct ctx *ctx) bug_on(!__pcap_io); if (!strncmp("-", ctx->device_in, strlen("-"))) { - fd = dup(fileno(stdin)); + fd = dup_or_die(fileno(stdin)); close(fileno(stdin)); if (ctx->pcap == PCAP_OPS_MM) ctx->pcap = PCAP_OPS_SG; @@ -579,7 +579,7 @@ static void read_pcap(struct ctx *ctx) if (ctx->device_out) { if (!strncmp("-", ctx->device_out, strlen("-"))) { - fdo = dup(fileno(stdout)); + fdo = dup_or_die(fileno(stdout)); close(fileno(stdout)); } else { fdo = open_or_die_m(ctx->device_out, O_RDWR | O_CREAT | @@ -769,7 +769,7 @@ static int begin_single_pcap_file(struct ctx *ctx) bug_on(!__pcap_io); if (!strncmp("-", ctx->device_out, strlen("-"))) { - fd = dup(fileno(stdout)); + fd = dup_or_die(fileno(stdout)); close(fileno(stdout)); if (ctx->pcap == PCAP_OPS_MM) ctx->pcap = PCAP_OPS_SG; |