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Protect from stack overrun via /etc/ttys, which could possibly allow a

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root user to change the securelevel. Pointed out by Thomas H. Ptacek
<tqbf@enteract.com>.
This commit is contained in:
David Greenman 1997-02-19 08:04:58 +00:00
parent c8da9b756d
commit 33a20f8291
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=22922
1 changed files with 2 additions and 2 deletions
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4
sbin/init/init.c
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@ -1089,7 +1089,7 @@ start_window_system(sp)
if (sp->se_type) {
/* Don't use malloc after fork */
strcpy(term, "TERM=");
strcat(term, sp->se_type);
strncat(term, sp->se_type, sizeof(term) - 6);
env[0] = term;
env[1] = 0;
}
@ -1154,7 +1154,7 @@ start_getty(sp)
if (sp->se_type) {
/* Don't use malloc after fork */
strcpy(term, "TERM=");
strcat(term, sp->se_type);
strncat(term, sp->se_type, sizeof(term) - 6);
env[0] = term;
env[1] = 0;
}