other_mirrors/iodine
1
0
Fork 0
mirror of https://github.com/yarrick/iodine.git synced 2024-12-22 21:33:33 +02:00
Code Issues Projects Releases Packages Wiki Activity

Fix strncat size argument in send_handshake_query

Browse source 
Found by clang:
client.c:1276:26: warning: the value of the size argument in 'strncat' is too large, might lead to a buffer overflow [-Wstrncat-size]
        strncat(buf, topdomain, sizeof(buf) - strlen(buf));
                                ^~~~~~~~~~~~~~~~~~~~~~~~~
This commit is contained in:
Erik Ekman 2020-07-25 15:43:43 +02:00
parent b7b1082dc6
commit 8d2c86c73d
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/client.c
View file

@ -1273,7 +1273,7 @@ send_handshake_query(int fd, char *prefix)
buf[0] = 0;
strncat(buf, prefix, 60); /* 63 - space for 3 CMC bytes */
strcat(buf, cmc_dot);
strncat(buf, topdomain, sizeof(buf) - strlen(buf));
strncat(buf, topdomain, sizeof(buf) - strlen(buf) - 1);
send_query(fd, buf);
}