2 * etrn.c -- ETRN protocol methods
4 * For license terms, see the file COPYING in this directory.
14 #include "fetchmail.h"
18 static int etrn_ok (int sock, char *argbuf)
19 /* parse command response */
24 if (ok == SM_UNRECOVERABLE)
30 static int etrn_getrange(int sock, struct query *ctl, char *id, int *countp,
32 /* send ETRN and interpret the response */
35 char buf [POPBUFSIZE+1],
37 struct idlist *qnp; /* pointer to Q names */
40 if ((ok = SMTP_ehlo(sock, ctl->server.truename, &opts)))
42 error(0, 0, "%s's SMTP listener does not support ESMTP",
43 ctl->server.pollname);
46 else if (!(opts & ESMTP_ETRN))
48 error(0, 0, "%s's SMTP listener does not support ETRN",
49 ctl->server.pollname);
53 *countp = *newp = -1; /* make sure we don't enter the fetch loop */
56 * Do it for all nondefault queues in the smtphunt list.
57 * We can tell the nondefault ones because they have a TRUE num field.
59 for (qnp = ctl->smtphunt; qnp; qnp = qnp->next)
62 /* ship the actual poll and get the response */
63 gen_send(sock, "ETRN %s", qnp->id);
64 if ((ok = gen_recv(sock, buf, sizeof(buf))))
67 /* this switch includes all response codes described in RFC1985 */
70 case 250: /* OK, queuing for node <x> started */
71 error(0, 0, "Queuing for %s started", qnp->id);
74 case 251: /* OK, no messages waiting for node <x> */
75 error(0, 0, "No messages waiting for %s", qnp->id);
78 case 252: /* OK, pending messages for node <x> started */
79 case 253: /* OK, <n> pending messages for node <x> started */
80 error(0, 0, "Pending messages for %s started", qnp->id);
83 case 458: /* Unable to queue messages for node <x> */
84 error(0, -1, "Unable to queue messages for node %s",qnp->id);
87 case 459: /* Node <x> not allowed: <reason> */
88 error(0, -1, "Node %s not allowed: %s", qnp->id, buf);
91 case 500: /* Syntax Error */
92 error(0, -1, "ETRN syntax error");
95 case 501: /* Syntax Error in Parameters */
96 error(0, -1, "ETRN syntax error in parameters");
100 error(0, -1, "Unknown ETRN error %d", atoi(buf));
108 const static struct method etrn =
110 "ETRN", /* ESMTP ETRN extension */
111 25, /* standard SMTP port */
112 FALSE, /* this is not a tagged protocol */
113 FALSE, /* this does not use a message delimiter */
114 etrn_ok, /* parse command response */
115 NULL, /* no need to get authentication */
116 etrn_getrange, /* initialize message sending */
117 NULL, /* we cannot get a list of sizes */
118 NULL, /* how do we tell a message is old? */
119 NULL, /* no way to fetch headers */
120 NULL, /* no way to fetch body */
121 NULL, /* no message trailer */
122 NULL, /* how to delete a message */
123 "QUIT", /* the ETRN exit command */
126 int doETRN (struct query *ctl)
127 /* retrieve messages using ETRN */
132 fprintf(stderr, "Option --keep is not supported with ETRN\n");
136 fprintf(stderr, "Option --flush is not supported with ETRN\n");
139 if (ctl->mailboxes->id) {
140 fprintf(stderr, "Option --remote is not supported with ETRN\n");
144 fprintf(stderr, "Option --check is not supported with ETRN\n");
147 peek_capable = FALSE;
149 status = do_protocol(ctl, &etrn);
150 if (status == PS_NOMAIL)
155 /* etrn.c ends here */