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Code Issues Releases Activity

Check that snprintf() does not truncate the destination pathname when

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linking into a directory.
This commit is contained in:
Tim J. Robbins 2002-06-29 04:10:40 +00:00
parent 2d39517f33
commit a24ce1c859
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=99019
1 changed files with 6 additions and 1 deletions
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7
bin/ln/ln.c
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@ -189,7 +189,12 @@ linkit(const char *target, const char *source, int isdir)
p = target; p = target;
else else
++p; ++p;
(void)snprintf(path, sizeof(path), "%s/%s", source, p); if (snprintf(path, sizeof(path), "%s/%s", source, p) >=
sizeof(path)) {
errno = ENAMETOOLONG;
warn("%s", target);
return (1);
}
source = path; source = path;
} }