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/* $Id$ */
/*
* Copyright (c) 2006 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 "fdm.h"
#include "match.h"
int match_command_match(struct mail_ctx *, struct expritem *);
void match_command_desc(struct expritem *, char *, size_t);
struct match match_command = {
"command",
match_command_match,
match_command_desc
};
int
match_command_match(struct mail_ctx *mctx, struct expritem *ei)
{
struct match_command_data *data = ei->data;
struct account *a = mctx->account;
struct mail *m = mctx->mail;
struct io *io = mctx->io;
struct msg msg;
struct msgbuf msgbuf;
struct userdata *ud;
char *user;
set_wrapped(m, '\n');
/*
* We are called as the child so to change uid this needs to be done
* largely in the parent.
*/
memset(&msg, 0, sizeof msg);
msg.type = MSG_COMMAND;
msg.id = m->idx;
msg.data.account = a;
msg.data.cmddata = data;
user = conf.cmd_user;
if (data->user.str != NULL)
user = replacestr(&data->user, m->tags, m, &m->rml);
if ((ud = user_lookup(user, conf.user_order)) == NULL) {
log_warnx("%s: bad user: %s", a->name, user);
return (MATCH_ERROR);
}
if (data->user.str != NULL)
xfree(user);
msg.data.uid = ud->uid;
msg.data.gid = ud->gid;
update_tags(&m->tags, ud);
user_free(ud);
msgbuf.buf = m->tags;
msgbuf.len = STRB_SIZE(m->tags);
mail_send(m, &msg);
if (privsep_send(io, &msg, &msgbuf) != 0)
fatalx("privsep_send error");
reset_tags(&m->tags);
mctx->msgid = msg.id;
return (MATCH_PARENT);
}
void
match_command_desc(struct expritem *ei, char *buf, size_t len)
{
struct match_command_data *data = ei->data;
char ret[11];
const char *type;
*ret = '\0';
if (data->ret != -1)
xsnprintf(ret, sizeof ret, "%d", data->ret);
type = data->pipe ? "pipe" : "exec";
if (data->re.str == NULL) {
if (data->user.str != NULL) {
xsnprintf(buf, len,
"%s \"%s\" user \"%s\" returns (%s, )",
type, data->cmd.str, data->user.str, ret);
} else {
xsnprintf(buf, len, "%s \"%s\" returns (%s, )", type,
data->cmd.str, ret);
}
} else {
if (data->user.str != NULL) {
xsnprintf(buf, len,
"%s \"%s\" user \"%s\" returns (%s, \"%s\")",
type, data->cmd.str, data->user.str, ret,
data->re.str);
} else {
xsnprintf(buf, len,
"%s \"%s\" returns (%s, \"%s\")",
type, data->cmd.str, ret, data->re.str);
}
}
}
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