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Use strlcpy in place of strncpy + setting the last character NUL. To

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be safe, memset the entire msg to '0'.
This commit is contained in:
Warner Losh 2006-08-20 06:31:24 +00:00
parent be57e3dd35
commit c608a9a591
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=161469
1 changed files with 2 additions and 2 deletions
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4
bin/date/netdate.c
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@ -108,14 +108,14 @@ netsettime(time_t tval)
warnx("all ports in use");
goto bad;
}
memset(&msg, 0, sizeof(msg));
msg.tsp_type = TSP_SETDATE;
msg.tsp_vers = TSPVERSION;
if (gethostname(hostname, sizeof(hostname))) {
warn("gethostname");
goto bad;
}
(void)strncpy(msg.tsp_name, hostname, sizeof(msg.tsp_name) - 1);
msg.tsp_name[sizeof(msg.tsp_name) - 1] = '\0';
(void)strlcpy(msg.tsp_name, hostname, sizeof(msg.tsp_name));
msg.tsp_seq = htons((u_short)0);
msg.tsp_time.tv_sec = htonl((u_long)tval);
msg.tsp_time.tv_usec = htonl((u_long)0);