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Return an error instead of overflowing the buffer in the case of a long

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$HOME in ruserpass()
This commit is contained in:
Kris Kennaway 2000-08-04 11:15:48 +00:00
parent 63c21920f9
commit 9c9c8212ca
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=64243
1 changed files with 4 additions and 0 deletions
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4
lib/libcompat/4.3/rexec.c
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@ -29,6 +29,8 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#if defined(LIBC_SCCS) && !defined(lint)
@ -146,6 +148,8 @@ ruserpass(host, aname, apass, aacct)
hdir = getenv("HOME");
if (hdir == NULL)
hdir = ".";
if (strlen(hdir) + 8 > sizeof(buf))
return (0);
(void) sprintf(buf, "%s/.netrc", hdir);
cfile = fopen(buf, "r");
if (cfile == NULL) {