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42 Commits

Author SHA1 Message Date
Toni Uhlig
bf30a9af8f
Fixed off-by-one read which causes a stack overflow. Reported by ASAN. 
==26656==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffdbc91936c at pc 0x561d962ea0e3 bp 0x7ffdbc918e80 sp 0x7ffdbc918e78
READ of size 1 at 0x7ffdbc91936c thread T0
    #0 0x561d962ea0e2 in sdbm(unsigned char*, int) /home/toni/git/UDPspeeder/common.cpp:911
    #1 0x561d9639b3a5 in std::hash<address_t>::operator()(address_t const&) const /home/toni/git/UDPspeeder/common.h:340
    #2 0x561d9639b3a5 in std::__detail::_Hash_code_base<address_t, std::pair<address_t const, unsigned int>, std::__detail::_Select1st, std::hash<address_t>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>::_M_hash_code(address_t const&) const /usr/include/c++/10/bits/hashtable_policy.h:1379
    #3 0x561d9639b3a5 in std::_Hashtable<address_t, std::pair<address_t const, unsigned int>, std::allocator<std::pair<address_t const, unsigned int> >, std::__detail::_Select1st, std::equal_to<address_t>, std::hash<address_t>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >::find(address_t const&) /usr/include/c++/10/bits/hashtable.h:1452
    #4 0x561d9639b3a5 in std::unordered_map<address_t, unsigned int, std::hash<address_t>, std::equal_to<address_t>, std::allocator<std::pair<address_t const, unsigned int> > >::find(address_t const&) /usr/include/c++/10/bits/unordered_map.h:920
    #5 0x561d9639b3a5 in conv_manager_t<address_t>::is_data_used(address_t) /home/toni/git/UDPspeeder/connection.h:88
    #6 0x561d9639b3a5 in data_from_local_or_fec_timeout(conn_info_t&, int) /home/toni/git/UDPspeeder/tunnel_client.cpp:68
    #7 0x561d963caa11 in ev_invoke_pending /home/toni/git/UDPspeeder/libev/ev.c:3314
    #8 0x561d963eab2e in ev_run /home/toni/git/UDPspeeder/libev/ev.c:3717
    #9 0x561d9639ee7b in tunnel_client_event_loop() /home/toni/git/UDPspeeder/tunnel_client.cpp:369
    #10 0x561d962e3d03 in main /home/toni/git/UDPspeeder/main.cpp:146
    #11 0x7f37d387cd09 in __libc_start_main ../csu/libc-start.c:308
    #12 0x561d962e4739 in _start (/home/toni/git/UDPspeeder/build/speederv2+0x262739)

Address 0x7ffdbc91936c is located in stack of thread T0 at offset 1052 in frame
    #0 0x561d9639a87f in data_from_local_or_fec_timeout(conn_info_t&, int) /home/toni/git/UDPspeeder/tunnel_client.cpp:3

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
 2023-03-15 19:19:09 +01:00
yancey
41cac842a8 fix indent problem with clang-format 2023-02-07 05:34:06 -05:00
wangyu
55606b63f9 refactor --bind and --interface, fix --key 2020-07-13 22:23:17 -04:00
llorx
b270199031 Error reporting 2019-11-05 00:04:02 +01:00
llorx
c6b0c3e5bc Small condition merge 2019-11-04 23:44:22 +01:00
llorx
939b347129 Bind to interface 
Allow binding to interface instead of IP with SO_BINDTODEVICE.
 2019-11-04 23:26:11 +01:00
llorx
79dccfd697 Bind to address 
Allow binding to address before sending UDP packets.
 2019-11-04 22:46:41 +01:00
root
cacf0bcfcb fix clock goes backward, simpilify timer, hopefully it works 2019-04-08 07:31:13 -04:00
wangyu-
25da3a2b03 better tuneable --fec works 2018-08-05 12:55:07 -05:00
wangyu-
513bed7382 changed struct to c++11 unresticted union 2018-07-28 03:48:57 -05:00
wangyu-
d4564b6249 fixed ipv6 in -r 2018-07-25 05:10:16 -05:00
wangyu-
461035828a now it compiles 2018-07-25 04:51:31 -05:00
wangyu-
9c1a8c859d prepare for ipv6 2018-07-25 03:39:48 -05:00
root
b00d8e6927 add expire time for anti_replay 2018-07-05 07:53:19 +00:00
U-DESKTOP-T772REH\wangyu
4b02fdb4bd fix close and errno, disable log color by default on mingw 2018-06-19 21:29:03 +08:00
U-DESKTOP-T772REH\wangyu
8c21ff55ab works under mingw, but not finish yet 2018-06-19 18:06:28 +08:00
Charlie Root
7e6cb5c7e6 fix compile error on freebsd 2018-06-15 05:45:08 +00:00
wangyu
c5a52cdb6e fix warnings 2018-06-04 02:01:57 -07:00
wangyu-
74488ba47f fix warnings 2018-06-04 03:56:44 -05:00
wangyu-
d4ee2d314b change random number generator 2018-06-04 00:36:23 -05:00
wangyu
9fd6428525 Merge branch 'branch_libev' of https://github.com/wangyu-/UDPspeeder into branch_libev 2018-06-03 20:39:34 -07:00
wangyu
5b9da8dd43 port to mac 2018-06-03 20:39:31 -07:00
wangyu-
20799f78c2 add signal handler 2018-06-03 22:15:05 -05:00
wangyu-
1c9c5f1d39 client works 2018-06-01 09:57:38 -05:00
wangyu-
4d3b713b05 fixed get_current_time() 2017-11-24 11:07:37 -06:00
wangyu-
b0614beffa new function tcp csum 2017-11-21 13:42:37 -06:00
wangyu-
d1c88bbc07 implemented connection reject 2017-10-27 04:58:20 -05:00
wangyu-
caa8320743 implement dev tun 2017-10-27 00:03:35 -05:00
wangyu-
f64108867c fixed merge conflict 2017-10-26 09:49:46 -05:00
wangyu-
47d762958f refactor 2017-10-26 08:54:18 -05:00
wangyu-
4dd37700e6 add option fifo 2017-10-24 14:16:17 -05:00
wangyu-
93cbe528cf more robust,more log 2017-10-17 12:35:03 -05:00
wangyu-
44e7fb94f4 add log 2017-10-13 07:56:53 -05:00
wangyu-
844eac0d3d mainly function done 2017-10-05 12:21:06 -05:00
wangyu-
a71576c180 just commit 2017-09-27 10:47:32 -05:00
wangyu-
3790eaf67e changed every send to dest_t style,and it works 2017-09-26 10:51:10 -05:00
wangyu-
507b960ba3 implemented all direction 2017-09-26 04:33:48 -05:00
wangyu-
44e9f5cb8b just commit 2017-09-25 10:38:39 -05:00
wangyu-
da48f6e003 moved rehash() function back in classic.cpp,fec under developing 2017-09-15 22:45:13 -05:00
wangyu-
e01aecd78b refactor,split source files 2017-09-15 03:34:29 -05:00
wangyu
d012aad859 more options 2017-08-09 17:15:35 +08:00
wangyu
f41494bd9c add missing files 2017-08-09 09:29:32 +08:00