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/* $Id$ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <string.h>
#include <unistd.h>
#include "fdm.h"
#include "fetch.h"
void fetch_pop3pipe_fill(struct account *, struct iolist *);
void fetch_pop3pipe_desc(struct account *, char *, size_t);
int fetch_pop3pipe_connect(struct account *);
void fetch_pop3pipe_disconnect(struct account *);
int fetch_pop3pipe_putln(struct account *, const char *, va_list);
int fetch_pop3pipe_getln(struct account *, struct fetch_ctx *, char **);
int fetch_pop3pipe_state_init(struct account *, struct fetch_ctx *);
struct fetch fetch_pop3pipe = {
"pop3",
fetch_pop3pipe_state_init,
fetch_pop3pipe_fill,
pop3_commit, /* from pop3-common.c */
pop3_abort, /* from pop3-common.c */
pop3_total, /* from pop3-common.c */
fetch_pop3pipe_desc
};
/* Write line to server. */
int
fetch_pop3pipe_putln(struct account *a, const char *fmt, va_list ap)
{
struct fetch_pop3_data *data = a->data;
if (data->cmd->io_in == NULL) {
log_warnx("%s: %s", a->name, strerror(EPIPE));
return (-1);
}
io_vwriteline(data->cmd->io_in, fmt, ap);
return (0);
}
/* Get line from server. */
int
fetch_pop3pipe_getln(struct account *a, struct fetch_ctx *fctx, char **line)
{
struct fetch_pop3_data *data = a->data;
char *out, *err, *cause;
switch (cmd_poll(
data->cmd, &out, &err, &fctx->lbuf, &fctx->llen, 0, &cause)) {
case 0:
break;
case -1:
log_warnx("%s: %s", a->name, cause);
xfree(cause);
return (-1);
default:
log_warnx("%s: connection unexpectedly closed", a->name);
return (-1);
}
if (err != NULL)
log_warnx("%s: %s: %s", a->name, data->pipecmd, err);
*line = out;
return (0);
}
/* Fill io list. */
void
fetch_pop3pipe_fill(struct account *a, struct iolist *iol)
{
struct fetch_pop3_data *data = a->data;
if (data->cmd->io_in != NULL)
ARRAY_ADD(iol, data->cmd->io_in);
if (data->cmd->io_out != NULL)
ARRAY_ADD(iol, data->cmd->io_out);
if (data->cmd->io_err != NULL)
ARRAY_ADD(iol, data->cmd->io_err);
}
/* Connect to server. */
int
fetch_pop3pipe_connect(struct account *a)
{
struct fetch_pop3_data *data = a->data;
char *cause;
data->cmd = cmd_start(data->pipecmd, CMD_IN|CMD_OUT, NULL, 0, &cause);
if (data->cmd == NULL) {
log_warnx("%s: %s", a->name, cause);
xfree(cause);
return (-1);
}
if (conf.debug > 3 && !conf.syslog) {
data->cmd->io_in->dup_fd = STDOUT_FILENO;
data->cmd->io_out->dup_fd = STDOUT_FILENO;
}
return (0);
}
/* Close connection. */
void
fetch_pop3pipe_disconnect(struct account *a)
{
struct fetch_pop3_data *data = a->data;
if (data->cmd != NULL)
cmd_free(data->cmd);
}
/* POP3 over pipe initial state. */
int
fetch_pop3pipe_state_init(struct account *a, struct fetch_ctx *fctx)
{
struct fetch_pop3_data *data = a->data;
data->connect = fetch_pop3pipe_connect;
data->getln = fetch_pop3pipe_getln;
data->putln = fetch_pop3pipe_putln;
data->disconnect = fetch_pop3pipe_disconnect;
data->src = NULL;
return (pop3_state_init(a, fctx));
}
void
fetch_pop3pipe_desc(struct account *a, char *buf, size_t len)
{
struct fetch_pop3_data *data = a->data;
if (data->user == NULL)
xsnprintf(buf, len, "pop3 pipe \"%s\"", data->pipecmd);
else {
xsnprintf(buf, len,
"pop3 pipe \"%s\" user \"%s\"", data->pipecmd, data->user);
}
}
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