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Make sure we don't use negative indexing [CID-57]

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Love Hornquist Astrand
2009-07-30 13:10:59 +02:00
parent c9bb8ba35f
commit a1e127a3a8
1 changed files with 3 additions and 1 deletions
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4
kadmin/stash.c
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@@ -87,8 +87,10 @@ stash(struct stash_options *opt, int argc, char **argv)
n = read(opt->master_key_fd_integer, buf, sizeof(buf)); n = read(opt->master_key_fd_integer, buf, sizeof(buf));
if(n == 0) if(n == 0)
krb5_warnx(context, "end of file reading passphrase"); krb5_warnx(context, "end of file reading passphrase");
else if(n < 0) else if(n < 0) {
krb5_warn(context, errno, "reading passphrase"); krb5_warn(context, errno, "reading passphrase");
n = 0;
}
buf[n] = '\0'; buf[n] = '\0';
buf[strcspn(buf, "\r\n")] = '\0'; buf[strcspn(buf, "\r\n")] = '\0';
} else { } else {