Removed potential buffer overrun after `gethostbyaddr'.
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@659 ec53bebd-3082-4978-b11e-865c3cabbd6b
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@@ -94,7 +94,8 @@ __ivaliduser(FILE *hostf, u_int32_t raddr, const char *luser, const char *ruser)
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if ((hp = gethostbyaddr((char *)&raddr, sizeof(u_long),
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AF_INET)) == NULL)
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return (-1);
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strcpy(hname, hp->h_name);
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strncpy(hname, hp->h_name, sizeof(hname));
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hname[sizeof(hname) - 1] = '\0';
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while (fgets(buf, sizeof(buf), hostf)) {
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p = buf;
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