62 lines
1.9 KiB
Diff
62 lines
1.9 KiB
Diff
From 7fa69ab8152392b11490950ff8aeeef7e0ad14de Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Fabiano=20Fid=C3=AAncio?= <fidencio@redhat.com>
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Date: Tue, 13 Mar 2018 23:13:35 +0100
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Subject: [PATCH 10/15] KCM: Introduce kcm_input_get_payload_len()
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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As this piece of code will be useful for us in the future patches of
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this series, let's move it to a new function.
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Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com>
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Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
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---
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src/responder/kcm/kcmsrv_cmd.c | 20 ++++++++++++--------
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1 file changed, 12 insertions(+), 8 deletions(-)
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diff --git a/src/responder/kcm/kcmsrv_cmd.c b/src/responder/kcm/kcmsrv_cmd.c
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index d4ebb79bf..3ecba9df2 100644
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--- a/src/responder/kcm/kcmsrv_cmd.c
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+++ b/src/responder/kcm/kcmsrv_cmd.c
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@@ -129,23 +129,27 @@ struct kcm_reqbuf {
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struct kcm_iovec v_msg;
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};
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+static uint32_t kcm_input_get_payload_len(struct kcm_iovec *v)
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+{
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+ size_t lc = 0;
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+ uint32_t len_be = 0;
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+
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+ /* The first 4 bytes before the payload is message length */
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+ SAFEALIGN_COPY_UINT32_CHECK(&len_be, v->kiov_base, v->kiov_len, &lc);
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+
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+ return be32toh(len_be);
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+}
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+
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static errno_t kcm_input_parse(struct kcm_reqbuf *reqbuf,
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struct kcm_op_io *op_io)
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{
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- size_t lc = 0;
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size_t mc = 0;
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uint16_t opcode_be = 0;
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- uint32_t len_be = 0;
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uint32_t msglen;
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uint8_t proto_maj = 0;
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uint8_t proto_min = 0;
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- /* The first 4 bytes before the payload is message length */
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- SAFEALIGN_COPY_UINT32_CHECK(&len_be,
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- reqbuf->v_len.kiov_base,
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- reqbuf->v_len.kiov_len,
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- &lc);
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- msglen = be32toh(len_be);
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+ msglen = kcm_input_get_payload_len(&reqbuf->v_len);
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DEBUG(SSSDBG_TRACE_LIBS,
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"Received message with length %"PRIu32"\n", msglen);
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--
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2.14.3
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