(replace_cookie): try to handle the case of not finding any cookies
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@5266 ec53bebd-3082-4978-b11e-865c3cabbd6b
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@@ -590,8 +590,13 @@ replace_cookie(int xserver, int fd, char *filename, int cookiesp) /* XXX */
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auth = XauReadAuth(f);
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fclose(f);
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n = auth->name_length;
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d = auth->data_length;
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if (auth != NULL) {
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n = auth->name_length;
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d = auth->data_length;
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} else {
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n = 0;
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d = 0;
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}
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if (bigendianp) {
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len[0] = n >> 8;
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len[1] = n & 0xFF;
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@@ -605,20 +610,16 @@ replace_cookie(int xserver, int fd, char *filename, int cookiesp) /* XXX */
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}
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if (krb_net_write (xserver, len, 6) != 6)
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return 1;
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if(krb_net_write (xserver, auth->name, n) != n)
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if(n != 0 && krb_net_write (xserver, auth->name, n) != n)
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return 1;
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npad = (4 - (n % 4)) % 4;
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if (npad) {
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if (krb_net_write (xserver, zeros, npad) != npad)
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return 1;
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}
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if (krb_net_write (xserver, auth->data, d) != d)
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if (npad && krb_net_write (xserver, zeros, npad) != npad)
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return 1;
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if (d != 0 && krb_net_write (xserver, auth->data, d) != d)
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return 1;
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dpad = (4 - (d % 4)) % 4;
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if (dpad) {
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if (krb_net_write (xserver, zeros, dpad) != dpad)
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return 1;
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}
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if (dpad && krb_net_write (xserver, zeros, dpad) != dpad)
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return 1;
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XauDisposeAuth(auth);
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} else {
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if(krb_net_write(xserver, zeros, 6) != 6)
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