Consolidate base64 encode/decode routines.

[exim.git] / src / src / mime.h

/*************************************************
*     Exim - an Internet mail transport agent    *
*************************************************/

/* Copyright (c) Tom Kistner <tom@duncanthrax.net> 2004, 2015 */
/* License: GPL */

#ifdef WITH_CONTENT_SCAN

#define MIME_MAX_HEADER_SIZE 8192
#define MIME_MAX_LINE_LENGTH 32768

#define MBC_ATTACHMENT            0
#define MBC_COVERLETTER_ONESHOT   1
#define MBC_COVERLETTER_ALL       2

struct mime_boundary_context
{
  struct mime_boundary_context *parent;
  unsigned char *boundary;
  int context;
};

typedef struct mime_header {
  uschar *  name;
  int       namelen;
  uschar ** value;
} mime_header;

static mime_header mime_header_list[] = {
  { US"content-type:",              13, &mime_content_type },
  { US"content-disposition:",       20, &mime_content_disposition },
  { US"content-transfer-encoding:", 26, &mime_content_transfer_encoding },
  { US"content-id:",                11, &mime_content_id },
  { US"content-description:",       20, &mime_content_description }
};

static int mime_header_list_size = sizeof(mime_header_list)/sizeof(mime_header);



typedef struct mime_parameter {
  uschar *  name;
  int       namelen;
  uschar ** value;
} mime_parameter;

static mime_parameter mime_parameter_list[] = {
  { US"name=",     5, &mime_filename },
  { US"filename=", 9, &mime_filename },
  { US"charset=",  8, &mime_charset  },
  { US"boundary=", 9, &mime_boundary }
};


/* MIME Anomaly list */
#define MIME_ANOMALY_BROKEN_BASE64    1
#define MIME_ANOMALY_BROKEN_QP        0


#endif