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dhcp: nettools: fix parsing of classless routes option

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Fixes: 6adade6f21 ('dhcp: add nettools dhcp4 client')
(cherry picked from commit dd3114deb0)
This commit is contained in:
Beniamino Galvani 2019-12-19 11:27:10 +01:00
parent 09597c105e
commit bee319bf94
1 changed files with 4 additions and 1 deletions
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5
src/dhcp/nm-dhcp-nettools.c
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@ -128,6 +128,7 @@ lease_option_next_route (struct in_addr *destp,
uint8_t *data = *datap;
size_t n_data = *n_datap;
uint8_t plen;
uint8_t bytes;
if (classless) {
if (!lease_option_consume (&plen, sizeof (plen), &data, &n_data))
@ -136,7 +137,9 @@ lease_option_next_route (struct in_addr *destp,
if (plen > 32)
return FALSE;
if (!lease_option_consume (&dest, plen / 8, &data, &n_data))
bytes = plen == 0 ? 0 : ((plen - 1) / 8) + 1;
if (!lease_option_consume (&dest, bytes, &data, &n_data))
return FALSE;
} else {
if (!lease_option_next_in_addr (&dest, &data, &n_data))