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Sourcecode: fdm version File versions

match-command.c

/* $Id: match-command.c,v 1.37 2007/03/27 10:07:39 nicm Exp $ */

/*
 * Copyright (c) 2006 Nicholas Marriott <nicm@users.sourceforge.net>
 *
 * 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;

      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;
      msg.data.uid = data->uid;

      msgbuf.buf = m->tags;
      msgbuf.len = STRB_SIZE(m->tags);

      mail_send(m, &msg);

      if (privsep_send(io, &msg, &msgbuf) != 0)
            fatalx("child: privsep_send error");

      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->uid != NOUSR) {
                  xsnprintf(buf, len, "%s \"%s\" user %lu returns (%s, )",
                      type, data->cmd.str, (u_long) data->uid, ret);
            } else {
                  xsnprintf(buf, len, "%s \"%s\" returns (%s, )", type,
                      data->cmd.str, ret);
            }
      } else {
            if (data->uid != NOUSR) {
                  xsnprintf(buf, len,
                      "%s \"%s\" user %lu returns (%s, \"%s\")",
                      type, data->cmd.str, (u_long) data->uid, 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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