Commit Graph

26 Commits

Author SHA1 Message Date
chao an
98724477e7 net/procfs: fix runtime error AddressSanitizer(global-buffer-overflow)
NuttShell (NSH) NuttX-10.3.0
ap> ifconfig
=================================================================
Program received signal SIGSEGV, Segmentation fault.
==3920365==ERROR: AddressSanitizer: global-buffer-overflow on address 0x57fb4f2a at pc 0x57177067 bp 0xf1ffebb8 sp 0xf1ffeba8
READ of size 1 at 0x57fb4f2a thread T0

...................
| #10 0xf7ac4339 in __asan::__asan_report_load1 (addr=1476087594) at ../../../../../src/libsanitizer/asan/asan_rtl.cpp:117
| #11 0x57177067 in strncmp (cs=0x57fb4f2a "", ct=0x582d36e0 "stat", nb=4) at string/lib_strncmp.c:40
| #12 0x57f3b467 in netprocfs_opendir (relpath=0x57fb4f26 "net", dir=0xf1ffed80) at procfs/net_procfs.c:398
| #13 0x572b3ae1 in procfs_opendir (mountpt=0xf4602c20, relpath=0x57fb4f26 "net", dir=0xf1ffed80) at procfs/fs_procfs.c:625
| #14 0x572879ff in open_mountpoint (inode=0xf4602c20, relpath=0x57fb4f26 "net", dir=0xf1ffed80) at vfs/fs_dir.c:127
...................

Signed-off-by: chao an <anchao@xiaomi.com>
2022-09-27 09:41:55 +08:00
chao an
f286012c0d net/procfs: disable tcp/udp proc node if no stack available
Signed-off-by: chao an <anchao@xiaomi.com>
2022-09-19 15:45:19 +08:00
chao an
d10cd8d585 net/procfs: add udp profs support
add proc node /proc/net/udp to show the active udp connections from procfs

nuttx style:

server> cat /proc/net/udp
UDP sl     local_address          remote_address     flg   txsz   rxsz  (IPv4)
  1:          0.0.0.0:  5285    192.168.31.22:  7779   9      0   1041
  2:          0.0.0.0:  5286    192.168.31.22:  7779   9      0   1041
  3:          0.0.0.0:  5287    192.168.31.22:  7779   9      0   1041

linux kernel:
https://www.kernel.org/doc/Documentation/networking/proc_net_tcp.txt

Signed-off-by: chao an <anchao@xiaomi.com>
2022-09-09 19:33:46 +08:00
chao an
7190e56a14 net/procfs: add tcp profs support
add proc node /proc/net/tcp to show the active tcp connections from procfs

nuttx style:

server> cat /proc/net/tcp
TCP sl  st flg ref tmr uack nrt   rxsz local_address           remote_address
     1: 04  61   1  12    0   0   1024          0.0.0.0:4855      192.168.31.22:5001
     2: 04  61   1  12    0   0   1024          0.0.0.0:4856      192.168.31.22:5001
     3: 04  61   1   9    0   0      0                      :::4853   fe80::b27b:25ff:fe28:4011:8789
     4: 04  61   1   3    3   0      0                      :::4854   fe80::b27b:25ff:fe28:4011:8789

linux kernel:
https://www.kernel.org/doc/Documentation/networking/proc_net_tcp.txt

Signed-off-by: chao an <anchao@xiaomi.com>
2022-09-09 19:33:46 +08:00
chao an
b6e76966b9 net/procfs: interface index should begin from 1
Signed-off-by: chao an <anchao@xiaomi.com>
2022-09-08 18:09:43 +09:00
chao an
4068b2eccc net/procfs: add entry mapping table
add entry mapping table to simplify new component registration

Signed-off-by: chao an <anchao@xiaomi.com>
2022-09-08 09:03:34 +08:00
Huang Qi
e4e3208180 Replace all strncpy with strlcpy for safety
Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
2022-08-25 13:38:36 +08:00
Jiuzhu Dong
fe17f747a7 fs/directory: move private directory information to filesystem
Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
2022-08-09 23:30:01 +08:00
Jiuzhu Dong
90db4daca9 fs/directory: update readdir interface for all filesystem
Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
2022-08-09 23:30:01 +08:00
Xiang Xiao
a262eebe34 libc: Rename match to fnmatch
specified here:
https://pubs.opengroup.org/onlinepubs/007904875/functions/fnmatch.html

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2021-08-02 08:23:35 -03:00
Alin Jerpelea
37d5c1b0d9 net: Author Gregory Nutt: update licenses to Apache
Gregory Nutt has submitted the SGA and we can migrate the licenses
 to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-02-20 00:38:18 -08:00
chao.an
dbd6e9be16 net/procfs: handle opendir("/proc/net/") correctly
Change-Id: I092bade082ba673b30257add4f869ac5bfa55ca6
Signed-off-by: chao.an <anchao@xiaomi.com>
2020-12-03 05:56:35 -06:00
Xiang Xiao
2d7f58d165 net/procfs: Support chdir("/proc/net/") correctly
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: I47295019c6054c869545e33258ad3460896e851a
2020-08-03 21:00:18 +01:00
Xiang Xiao
9dff16e0e4 fix nxstyle warning
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
Change-Id: Ieaf325c899d1c349d64dfa15bddcc32afd1fce42
2020-07-10 21:30:02 +01:00
Xiang Xiao
cde88cabcc Run codespell -w with the latest dictonary again
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2020-02-23 22:27:46 +01:00
Gregory Nutt
3b275fcf4e net/: Run nxstyle against all C files. 2019-10-25 11:31:42 -06:00
Gregory Nutt
f58e7976df net/procfs: Add support to provide MLD stats at /proc/net/mld. net/mld: Fix a couple more bugs found in further MLD testing. 2018-11-06 10:42:53 -06:00
Gregory Nutt
88130a996a net/: Fixes for more coding standard issues detected by nxstyle. 2018-10-29 18:00:30 -06:00
Gregory Nutt
e2c442cdcb net/procfs: Fix a design REVISIT from the integration the IFINDEX logic and the existing ifconfig/procfs logic. 2018-06-25 17:42:56 -06:00
Gregory Nutt
c439b93627 net/procfs and netdev: Fix some problems with ifconfig introduced with last changes. Also picks up one of Sebastien's changes that did not make it it before. net/udp: Fixes a DEBUGASSERT. 2018-06-25 17:06:11 -06:00
Gregory Nutt
7c1394d814 Squashed commit of the following:
net/netdev:  Add implementation of if_nametoindex() and if indextoname().
    net/pkt:  Raw AF_PACKET sockets now depend on CONFIG_NETDEV_IFINDEX.
    net/procfs:  Tweak to handle traversal of interfaces if CONFIG_NETDEV_IFINDEX is not defined.
    net/netdev.h:  Update netdev_findbyaddr() to use the assigned device index.
    Trivial typo fix
    net/netdev:  Add support for assigned an interface index to a device when it is regisgtered.
2018-06-25 12:08:10 -06:00
Gregory Nutt
65698da12d procfs: Add support for routing tables. 2017-08-11 15:33:58 -06:00
Gregory Nutt
a1469a3e95 Add CONFIG_DEBUG_ERROR. Change names of *dbg() * *err() 2016-06-11 15:50:49 -06:00
Gregory Nutt
fc3540cffe Replace all occurrences of vdbg with vinfo 2016-06-11 11:59:51 -06:00
Gregory Nutt
eb8668b0f7 net/: Add procfs support for network device status 2015-11-27 16:39:14 -06:00
Gregory Nutt
9d8462aa23 net/: Move net_procfs.c to net/procfs/. Partition logic a little better to make space to support net device procfs as well 2015-11-27 13:53:33 -06:00