mirror of https://gerrit.osmocom.org/libosmocore
osmo_io: Reject writing messages with length of 0
io_uring will reject to transmit messages with length of 0. Change-Id: I94be5ec7344d92157f7853c6c0ddf7007513ba8e Related: OS#5751
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00c462cee5
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4f01ae3d62
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@ -421,6 +421,11 @@ int osmo_iofd_write_msgb(struct osmo_io_fd *iofd, struct msgb *msg)
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{
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int rc;
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if (OSMO_UNLIKELY(msgb_length(msg) == 0)) {
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LOGPIO(iofd, LOGL_ERROR, "Length is 0, rejecting msgb.\n");
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return -EINVAL;
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}
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OSMO_ASSERT(iofd->mode == OSMO_IO_FD_MODE_READ_WRITE);
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if (OSMO_UNLIKELY(!iofd->io_ops.write_cb)) {
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LOGPIO(iofd, LOGL_ERROR, "write_cb not set, Rejecting msgb\n");
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@ -463,6 +468,11 @@ int osmo_iofd_sendto_msgb(struct osmo_io_fd *iofd, struct msgb *msg, int sendto_
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{
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int rc;
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if (OSMO_UNLIKELY(msgb_length(msg) == 0)) {
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LOGPIO(iofd, LOGL_ERROR, "Length is 0, rejecting msgb.\n");
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return -EINVAL;
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}
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OSMO_ASSERT(iofd->mode == OSMO_IO_FD_MODE_RECVFROM_SENDTO);
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if (OSMO_UNLIKELY(!iofd->io_ops.sendto_cb)) {
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LOGPIO(iofd, LOGL_ERROR, "sendto_cb not set, Rejecting msgb\n");
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@ -511,6 +521,11 @@ int osmo_iofd_sctp_send_msgb(struct osmo_io_fd *iofd, struct msgb *msg, int send
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struct cmsghdr *cmsg;
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struct sctp_sndrcvinfo *sinfo;
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if (OSMO_UNLIKELY(msgb_length(msg) == 0)) {
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LOGPIO(iofd, LOGL_ERROR, "Length is 0, rejecting msgb.\n");
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return -EINVAL;
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}
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OSMO_ASSERT(iofd->mode == OSMO_IO_FD_MODE_SCTP_RECVMSG_SEND);
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if (OSMO_UNLIKELY(!iofd->io_ops.write_cb)) {
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LOGPIO(iofd, LOGL_ERROR, "write_cb not set, Rejecting msgb\n");
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