Change in osmo-mgw[master]: check_rtp_origin(): Avoid using memcmp for comparing integer types

2018-10-25 Thread Harald Welte
Harald Welte has submitted this change and it was merged. ( 
https://gerrit.osmocom.org/11403 )

Change subject: check_rtp_origin(): Avoid using memcmp for comparing integer 
types
..

check_rtp_origin(): Avoid using memcmp for comparing integer types

in_addr consists only of s_addr, which is an integer type that
can be compared directly.  By avoiding memcmp() here we would have
been able to catch Coverity CID#188874 even without Coverity, and
make the code more compact...

Change-Id: Ic6105d39ae2fb4b301f87448b16763fe9f695621
---
M src/libosmo-mgcp/mgcp_network.c
1 file changed, 2 insertions(+), 4 deletions(-)

Approvals:
  Jenkins Builder: Verified
  Harald Welte: Looks good to me, approved



diff --git a/src/libosmo-mgcp/mgcp_network.c b/src/libosmo-mgcp/mgcp_network.c
index fe63f1e..de34cc6 100644
--- a/src/libosmo-mgcp/mgcp_network.c
+++ b/src/libosmo-mgcp/mgcp_network.c
@@ -872,9 +872,8 @@
 {
struct mgcp_endpoint *endp;
endp = conn->conn->endp;
-   struct sockaddr_in zero_addr = {};

-   if (memcmp(_addr.sin_addr, >end.addr, 
sizeof(zero_addr.sin_addr)) == 0) {
+   if (conn->end.addr.s_addr == 0) {
switch (conn->conn->mode) {
case MGCP_CONN_LOOPBACK:
/* HACK: for IuUP, we want to reply with an IuUP 
Initialization ACK upon the first RTP
@@ -904,8 +903,7 @@

/* Note: Check if the inbound RTP data comes from the same host to
 * which we send our outgoing RTP traffic. */
-   if (memcmp(>sin_addr, >end.addr, sizeof(addr->sin_addr))
-   != 0) {
+   if (conn->end.addr.s_addr != addr->sin_addr.s_addr) {
LOGP(DRTP, LOGL_ERROR,
 "endpoint:0x%x data from wrong address: %s, ",
 ENDPOINT_NUMBER(endp), inet_ntoa(addr->sin_addr));

--
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Gerrit-Project: osmo-mgw
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: Ic6105d39ae2fb4b301f87448b16763fe9f695621
Gerrit-Change-Number: 11403
Gerrit-PatchSet: 1
Gerrit-Owner: Harald Welte 
Gerrit-Reviewer: Harald Welte 
Gerrit-Reviewer: Jenkins Builder (102)


Change in osmo-mgw[master]: check_rtp_origin(): Avoid using memcmp for comparing integer types

2018-10-21 Thread Harald Welte
Harald Welte has posted comments on this change. ( 
https://gerrit.osmocom.org/11403 )

Change subject: check_rtp_origin(): Avoid using memcmp for comparing integer 
types
..


Patch Set 1: Code-Review+2


--
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Gerrit-MessageType: comment
Gerrit-Change-Id: Ic6105d39ae2fb4b301f87448b16763fe9f695621
Gerrit-Change-Number: 11403
Gerrit-PatchSet: 1
Gerrit-Owner: Harald Welte 
Gerrit-Reviewer: Harald Welte 
Gerrit-Reviewer: Jenkins Builder (102)
Gerrit-Comment-Date: Sun, 21 Oct 2018 11:42:22 +
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Change in osmo-mgw[master]: check_rtp_origin(): Avoid using memcmp for comparing integer types

2018-10-21 Thread Harald Welte
Harald Welte has uploaded this change for review. ( 
https://gerrit.osmocom.org/11403


Change subject: check_rtp_origin(): Avoid using memcmp for comparing integer 
types
..

check_rtp_origin(): Avoid using memcmp for comparing integer types

in_addr consists only of s_addr, which is an integer type that
can be compared directly.  By avoiding memcmp() here we would have
been able to catch Coverity CID#188874 even without Coverity, and
make the code more compact...

Change-Id: Ic6105d39ae2fb4b301f87448b16763fe9f695621
---
M src/libosmo-mgcp/mgcp_network.c
1 file changed, 2 insertions(+), 4 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-mgw refs/changes/03/11403/1

diff --git a/src/libosmo-mgcp/mgcp_network.c b/src/libosmo-mgcp/mgcp_network.c
index fe63f1e..de34cc6 100644
--- a/src/libosmo-mgcp/mgcp_network.c
+++ b/src/libosmo-mgcp/mgcp_network.c
@@ -872,9 +872,8 @@
 {
struct mgcp_endpoint *endp;
endp = conn->conn->endp;
-   struct sockaddr_in zero_addr = {};

-   if (memcmp(_addr.sin_addr, >end.addr, 
sizeof(zero_addr.sin_addr)) == 0) {
+   if (conn->end.addr.s_addr == 0) {
switch (conn->conn->mode) {
case MGCP_CONN_LOOPBACK:
/* HACK: for IuUP, we want to reply with an IuUP 
Initialization ACK upon the first RTP
@@ -904,8 +903,7 @@

/* Note: Check if the inbound RTP data comes from the same host to
 * which we send our outgoing RTP traffic. */
-   if (memcmp(>sin_addr, >end.addr, sizeof(addr->sin_addr))
-   != 0) {
+   if (conn->end.addr.s_addr != addr->sin_addr.s_addr) {
LOGP(DRTP, LOGL_ERROR,
 "endpoint:0x%x data from wrong address: %s, ",
 ENDPOINT_NUMBER(endp), inet_ntoa(addr->sin_addr));

--
To view, visit https://gerrit.osmocom.org/11403
To unsubscribe, or for help writing mail filters, visit 
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Gerrit-Project: osmo-mgw
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Ic6105d39ae2fb4b301f87448b16763fe9f695621
Gerrit-Change-Number: 11403
Gerrit-PatchSet: 1
Gerrit-Owner: Harald Welte