/* GNU Mailutils -- a suite of utilities for electronic mail Copyright (C) 1999-2021 Free Software Foundation, Inc. GNU Mailutils is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GNU Mailutils is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Mailutils. If not, see . */ #include "pop3d.h" size_t pop3d_output_bufsize = 64 * 1024; void pop3d_send_payload (mu_stream_t stream, mu_stream_t linestr, size_t maxlines) { mu_stream_t flt; struct mu_buffer_query oldbuf, newbuf; int xscript_level = set_xscript_level (MU_XSCRIPT_PAYLOAD); oldbuf.type = MU_TRANSPORT_OUTPUT; mu_stream_ioctl (iostream, MU_IOCTL_TRANSPORT_BUFFER, MU_IOCTL_OP_GET, &oldbuf); newbuf.type = MU_TRANSPORT_OUTPUT; newbuf.buftype = mu_buffer_full; newbuf.bufsize = pop3d_output_bufsize; mu_stream_ioctl (iostream, MU_IOCTL_TRANSPORT_BUFFER, MU_IOCTL_OP_SET, &newbuf); /* FIXME: Return code */ mu_filter_create (&flt, iostream, "DOT", MU_FILTER_ENCODE, MU_STREAM_WRITE); mu_stream_copy (flt, stream, 0, NULL); if (maxlines) { char *buf = NULL; size_t size = 0, n; mu_stream_write (flt, "\n", 1, NULL); for (; maxlines > 0 && mu_stream_getline (linestr, &buf, &size, &n) == 0 && n > 0; maxlines--) mu_stream_write (flt, buf, n, NULL); free (buf); } mu_stream_close (flt); mu_stream_destroy (&flt); mu_stream_ioctl (iostream, MU_IOCTL_TRANSPORT_BUFFER, MU_IOCTL_OP_SET, &oldbuf); set_xscript_level (xscript_level); } /* Prints out the specified message */ int pop3d_retr (char *arg, struct pop3d_session *sess) { size_t mesgno; mu_message_t msg = NULL; mu_attribute_t attr = NULL; mu_stream_t stream; if ((strlen (arg) == 0) || (strchr (arg, ' ') != NULL)) return ERR_BAD_ARGS; if (state != TRANSACTION) return ERR_WRONG_STATE; mesgno = strtoul (arg, NULL, 10); if (mu_mailbox_get_message (mbox, mesgno, &msg) != 0) return ERR_NO_MESG; mu_message_get_attribute (msg, &attr); if (pop3d_is_deleted (attr)) return ERR_MESG_DELE; if (mu_message_get_streamref (msg, &stream)) return ERR_UNKNOWN; pop3d_outf ("+OK\n"); pop3d_send_payload (stream, NULL, 0); mu_stream_destroy (&stream); if (!mu_attribute_is_read (attr)) mu_attribute_set_read (attr); pop3d_mark_retr (attr); return OK; }