5ee8b08111
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@5 ec53bebd-3082-4978-b11e-865c3cabbd6b
114 lines
3.5 KiB
C
114 lines
3.5 KiB
C
/*
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* Copyright (c) 1989 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#ifndef lint
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static char copyright[] = "Copyright (c) 1990 Regents of the University of California.\nAll rights reserved.\n";
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static char SccsId[] = "@(#)@(#)pop_send.c 2.1 2.1 3/18/91";
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#endif not lint
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#include <stdio.h>
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#include <sys/types.h>
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#include <strings.h>
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#include "popper.h"
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/*
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* send: Send the header and a specified number of lines
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* from a mail message to a POP client.
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*/
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pop_send(p)
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POP * p;
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{
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MsgInfoList * mp; /* Pointer to message info list */
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register int msg_num;
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register int msg_lines;
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char buffer[MAXMSGLINELEN];
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/* Convert the first parameter into an integer */
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msg_num = atoi(p->pop_parm[1]);
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/* Is requested message out of range? */
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if ((msg_num < 1) || (msg_num > p->msg_count))
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return (pop_msg (p,POP_FAILURE,"Message %d does not exist.",msg_num));
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/* Get a pointer to the message in the message list */
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mp = &p->mlp[msg_num-1];
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/* Is the message flagged for deletion? */
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if (mp->del_flag)
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return (pop_msg (p,POP_FAILURE,
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"Message %d has been deleted.",msg_num));
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/* If this is a TOP command, get the number of lines to send */
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if (strcmp(p->pop_command,"top") == 0) {
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/* Convert the second parameter into an integer */
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msg_lines = atoi(p->pop_parm[2]);
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}
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else {
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/* Assume that a RETR (retrieve) command was issued */
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msg_lines = -1;
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/* Flag the message as retreived */
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mp->retr_flag = TRUE;
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}
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/* Display the number of bytes in the message */
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pop_msg(p,POP_SUCCESS,"%u octets",mp->length);
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/* Position to the start of the message */
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(void)fseek(p->drop,mp->offset,0);
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/* Skip the first line (the sendmail "From" line) */
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(void)fgets (buffer,MAXMSGLINELEN,p->drop);
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/* Send the header of the message followed by a blank line */
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while (fgets(buffer,MAXMSGLINELEN,p->drop)) {
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pop_sendline (p,buffer);
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/* A single newline (blank line) signals the
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end of the header. sendline() converts this to a NULL,
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so that's what we look for. */
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if (*buffer == 0) break;
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}
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/* Send the message body */
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while (fgets(buffer,MAXMSGLINELEN,p->drop)) {
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/* Look for the start of the next message */
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if (strncmp(buffer,"From ",5) == 0) break;
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/* Decrement the lines sent (for a TOP command) */
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if (msg_lines >= 0 && msg_lines-- == 0) break;
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pop_sendline(p,buffer);
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}
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/* "." signals the end of a multi-line transmission */
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(void)fputs(".\r\n",p->output);
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(void)fflush(p->output);
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return(POP_SUCCESS);
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}
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/*
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* sendline: Send a line of a multi-line response to a client.
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*/
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pop_sendline(p,buffer)
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POP * p;
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char * buffer;
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{
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char * bp;
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/* Byte stuff lines that begin with the temirnation octet */
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if (*buffer == POP_TERMINATE) (void)fputc(POP_TERMINATE,p->output);
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/* Look for a <NL> in the buffer */
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if (bp = index(buffer,NEWLINE)) *bp = 0;
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/* Send the line to the client */
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(void)fputs(buffer,p->output);
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#ifdef DEBUG
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if(p->debug)pop_log(p,POP_DEBUG,"Sending line \"%s\"",buffer);
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#endif DEBUG
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/* Put a <CR><NL> if a newline was removed from the buffer */
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if (bp) (void)fputs ("\r\n",p->output);
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}
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