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Do a bounds check on the strcpy of environment variables onto the stack.

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Paul Traina 1996-07-15 16:29:03 +00:00
parent d9d5922eec
commit caef76e8bd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=17177
1 changed files with 1 additions and 1 deletions
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usr.bin/rlogin/rlogin.c
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@ -259,7 +259,7 @@ main(argc, argv)
exit(1); exit(1);
} }
(void)strcpy(term, (p = getenv("TERM")) ? p : "network"); (void)strncpy(term, (p = getenv("TERM")) ? p : "network", sizeof(term));
if (ioctl(0, TIOCGETP, &ttyb) == 0) { if (ioctl(0, TIOCGETP, &ttyb) == 0) {
(void)strcat(term, "/"); (void)strcat(term, "/");
(void)strcat(term, speeds[(int)ttyb.sg_ospeed]); (void)strcat(term, speeds[(int)ttyb.sg_ospeed]);