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deliver-add-header.c

/* $Id: deliver-add-header.c,v 1.14 2007/03/28 19:59:57 nicm Exp $ */

/*
 * Copyright (c) 2007 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 "deliver.h"

int    deliver_add_header_deliver(struct deliver_ctx *, struct actitem *);
void   deliver_add_header_desc(struct actitem *, char *, size_t);

struct deliver deliver_add_header = {
      "add-header",
      DELIVER_INCHILD,
      deliver_add_header_deliver,
      deliver_add_header_desc
};

int
deliver_add_header_deliver(struct deliver_ctx *dctx, struct actitem *ti)
{
      struct account                *a = dctx->account;
      struct mail             *m = dctx->mail;
      struct deliver_add_header_data      *data = ti->data;
      char                    *hdr, *value = NULL;

      hdr = replacestr(&data->hdr, m->tags, m, &m->rml);
      if (hdr == NULL || *hdr == '\0') {
            log_warnx("%s: empty header", a->name);
            goto error;
      }
      value = replacestr(&data->value, m->tags, m, &m->rml);
      if (value == NULL) {
            log_warnx("%s: bad value for header %s", a->name, hdr);
            goto error;
      }
      log_debug2("%s: adding header: %s", a->name, hdr);
      
      if (insert_header(m, NULL, "%s: %s", hdr, value) != 0) {
            log_warnx("%s: failed to add header %s (%s)", a->name,
                hdr, value);
            goto error;
      }

      ARRAY_FREE(&m->wrapped);
      m->wrapchar = '\0';
      fill_wrapped(m);

      /* invalidate the match data since stuff may have moved */
      m->rml.valid = 0;

      xfree(hdr);
      xfree(value);
      return (DELIVER_SUCCESS);

error:
      if (hdr != NULL)
            xfree(hdr);
      if (value != NULL)
            xfree(value);
      return (DELIVER_FAILURE);
}

void
deliver_add_header_desc(struct actitem *ti, char *buf, size_t len)
{
      struct deliver_add_header_data      *data = ti->data;

      xsnprintf(buf, len,
          "add-header \"%s\" \"%s\"", data->hdr.str, data->value.str);
}

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