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sctp: translate host order to network order when setting a hmacid
now sctp auth cannot work well when setting a hmacid manually, which is caused by that we didn't use the network order for hmacid, so fix it by adding the transformation in sctp_auth_ep_set_hmacs. even we set hmacid with the network order in userspace, it still can't work, because of this condition in sctp_auth_ep_set_hmacs(): if (id > SCTP_AUTH_HMAC_ID_MAX) return -EOPNOTSUPP; so this wasn't working before and thus it won't break compatibility. Fixes: 65b07e5d0d09 ("[SCTP]: API updates to suport SCTP-AUTH extensions.") Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Vlad Yasevich <vyasevich@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -809,8 +809,8 @@ int sctp_auth_ep_set_hmacs(struct sctp_endpoint *ep,
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if (!has_sha1)
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return -EINVAL;
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memcpy(ep->auth_hmacs_list->hmac_ids, &hmacs->shmac_idents[0],
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hmacs->shmac_num_idents * sizeof(__u16));
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for (i = 0; i < hmacs->shmac_num_idents; i++)
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ep->auth_hmacs_list->hmac_ids[i] = htons(hmacs->shmac_idents[i]);
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ep->auth_hmacs_list->param_hdr.length = htons(sizeof(sctp_paramhdr_t) +
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hmacs->shmac_num_idents * sizeof(__u16));
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return 0;
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