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mail.h
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C/C++ Source or Header
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1998-12-01
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49KB
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1,340 lines
/*
* Program: Mailbox Access routines
*
* Author: Mark Crispin
* Networks and Distributed Computing
* Computing & Communications
* University of Washington
* Administration Building, AG-44
* Seattle, WA 98195
* Internet: MRC@CAC.Washington.EDU
*
* Date: 22 November 1989
* Last Edited: 1 December 1998
*
* Copyright 1998 by the University of Washington
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted, provided
* that the above copyright notice appears in all copies and that both the
* above copyright notice and this permission notice appear in supporting
* documentation, and that the name of the University of Washington not be
* used in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. This software is made
* available "as is", and
* THE UNIVERSITY OF WASHINGTON DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED,
* WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT LIMITATION ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND IN
* NO EVENT SHALL THE UNIVERSITY OF WASHINGTON BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, TORT
* (INCLUDING NEGLIGENCE) OR STRICT LIABILITY, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
/* Build parameters */
#define CACHEINCREMENT 250 /* cache growth increments */
#define MAILTMPLEN 1024 /* size of a temporary buffer */
#define MAXMESSAGESIZE 65000 /* MS-DOS: maximum text buffer size
* other: initial text buffer size */
#define NUSERFLAGS 30 /* # of user flags (current servers 30 max) */
#define BASEYEAR 1970 /* the year time began on Unix (note: mx
* driver depends upon this matching Unix) */
/* default for unqualified addresses */
#define BADHOST ".MISSING-HOST-NAME."
/* default for syntax errors in addresses */
#define ERRHOST ".SYNTAX-ERROR."
/* Coddle certain compilers' 6-character symbol limitation */
#ifdef __COMPILER_KCC__
#include "shortsym.h"
#endif
/* Constants */
#define NIL 0 /* convenient name */
#define T 1 /* opposite of NIL */
#define LONGT (long) 1 /* long T */
#define WARN (long) 1 /* mm_log warning type */
#define ERROR (long) 2 /* mm_log error type */
#define PARSE (long) 3 /* mm_log parse error type */
#define BYE (long) 4 /* mm_notify stream dying */
#define DELIM '\377' /* strtok delimiter character */
/* Bits from mail_parse_flags(). Don't change these, since the header format
* used by tenex, mtx, and mbx corresponds to these bits.
*/
#define fSEEN 1
#define fDELETED 2
#define fFLAGGED 4
#define fANSWERED 8
#define fOLD 16
#define fDRAFT 32
/* Global and Driver Parameters */
/* 0xx: driver flags */
#define ENABLE_DRIVER (long) 1
#define DISABLE_DRIVER (long) 2
/* 1xx: c-client globals */
#define GET_DRIVERS (long) 101
#define SET_DRIVERS (long) 102
#define GET_GETS (long) 103
#define SET_GETS (long) 104
#define GET_CACHE (long) 105
#define SET_CACHE (long) 106
#define GET_SMTPVERBOSE (long) 107
#define SET_SMTPVERBOSE (long) 108
#define GET_RFC822OUTPUT (long) 109
#define SET_RFC822OUTPUT (long) 110
#define GET_READPROGRESS (long) 111
#define SET_READPROGRESS (long) 112
#define GET_THREADERS (long) 113
#define SET_THREADERS (long) 114
#define GET_NAMESPACE (long) 115
#define SET_NAMESPACE (long) 116
#define GET_MAILPROXYCOPY (long) 117
#define SET_MAILPROXYCOPY (long) 118
#define GET_SERVICENAME (long) 119
#define SET_SERVICENAME (long) 120
#define GET_DRIVER (long) 121
#define SET_DRIVER (long) 122
#define GET_EXPUNGEATPING (long) 123
#define SET_EXPUNGEATPING (long) 124
#define GET_PARSEPHRASE (long) 125
#define SET_PARSEPHRASE (long) 126
#define GET_ALTDRIVER (long) 127
#define SET_ALTDRIVER (long) 128
#define GET_ALTDRIVERNAME (long) 129
#define SET_ALTDRIVERNAME (long) 130
/* 2xx: environment */
#define GET_USERNAME (long) 201
#define SET_USERNAME (long) 202
#define GET_HOMEDIR (long) 203
#define SET_HOMEDIR (long) 204
#define GET_LOCALHOST (long) 205
#define SET_LOCALHOST (long) 206
#define GET_SYSINBOX (long) 207
#define SET_SYSINBOX (long) 208
#define GET_USERPROMPT (long) 209
#define SET_USERPROMPT (long) 210
/* 3xx: TCP/IP */
#define GET_OPENTIMEOUT (long) 300
#define SET_OPENTIMEOUT (long) 301
#define GET_READTIMEOUT (long) 302
#define SET_READTIMEOUT (long) 303
#define GET_WRITETIMEOUT (long) 304
#define SET_WRITETIMEOUT (long) 305
#define GET_CLOSETIMEOUT (long) 306
#define SET_CLOSETIMEOUT (long) 307
#define GET_TIMEOUT (long) 308
#define SET_TIMEOUT (long) 309
#define GET_RSHTIMEOUT (long) 310
#define SET_RSHTIMEOUT (long) 311
#define GET_ALARMSAVE (long) 312
#define SET_ALARMSAVE (long) 313
#define GET_RSHCOMMAND (long) 314
#define SET_RSHCOMMAND (long) 315
#define GET_RSHPATH (long) 316
#define SET_RSHPATH (long) 317
/* 4xx: network drivers */
#define GET_MAXLOGINTRIALS (long) 400
#define SET_MAXLOGINTRIALS (long) 401
#define GET_LOOKAHEAD (long) 402
#define SET_LOOKAHEAD (long) 403
#define GET_IMAPPORT (long) 404
#define SET_IMAPPORT (long) 405
#define GET_PREFETCH (long) 406
#define SET_PREFETCH (long) 407
#define GET_CLOSEONERROR (long) 408
#define SET_CLOSEONERROR (long) 409
#define GET_POP3PORT (long) 410
#define SET_POP3PORT (long) 411
#define GET_UIDLOOKAHEAD (long) 412
#define SET_UIDLOOKAHEAD (long) 413
#define GET_NNTPPORT (long) 414
#define SET_NNTPPORT (long) 415
#define GET_IMAPENVELOPE (long) 416
#define SET_IMAPENVELOPE (long) 417
#define GET_IMAPREFERRAL (long) 418
#define SET_IMAPREFERRAL (long) 419
#define GET_ALTIMAPNAME (long) 420
#define SET_ALTIMAPNAME (long) 421
#define GET_ALTIMAPPORT (long) 422
#define SET_ALTIMAPPORT (long) 423
#define GET_ALTPOPNAME (long) 424
#define SET_ALTPOPNAME (long) 425
#define GET_ALTPOPPORT (long) 426
#define SET_ALTPOPPORT (long) 427
#define GET_ALTNNTPNAME (long) 428
#define SET_ALTNNTPNAME (long) 429
#define GET_ALTNNTPPORT (long) 430
#define SET_ALTNNTPPORT (long) 431
#define GET_ALTSMTPNAME (long) 432
#define SET_ALTSMTPNAME (long) 433
#define GET_ALTSMTPPORT (long) 434
#define SET_ALTSMTPPORT (long) 435
#define GET_SMTPPORT (long) 436
#define SET_SMTPPORT (long) 437
/* 5xx: local file drivers */
#define GET_MBXPROTECTION (long) 500
#define SET_MBXPROTECTION (long) 501
#define GET_DIRPROTECTION (long) 502
#define SET_DIRPROTECTION (long) 503
#define GET_LOCKPROTECTION (long) 504
#define SET_LOCKPROTECTION (long) 505
#define GET_FROMWIDGET (long) 506
#define SET_FROMWIDGET (long) 507
#define GET_NEWSACTIVE (long) 508
#define SET_NEWSACTIVE (long) 509
#define GET_NEWSSPOOL (long) 510
#define SET_NEWSSPOOL (long) 511
#define GET_NEWSRC (long) 512
#define SET_NEWSRC (long) 513
#define GET_EXTENSION (long) 514
#define SET_EXTENSION (long) 515
#define GET_DISABLEFCNTLLOCK (long) 516
#define SET_DISABLEFCNTLLOCK (long) 517
#define GET_LOCKEACCESERROR (long) 518
#define SET_LOCKEACCESERROR (long) 519
#define GET_LISTMAXLEVEL (long) 520
#define SET_LISTMAXLEVEL (long) 521
#define GET_ANONYMOUSHOME (long) 522
#define SET_ANONYMOUSHOME (long) 523
#define GET_FTPHOME (long) 524
#define SET_FTPHOME (long) 525
#define GET_PUBLICHOME (long) 526
#define SET_PUBLICHOME (long) 527
#define GET_SHAREDHOME (long) 528
#define SET_SHAREDHOME (long) 529
#define GET_MHPROFILE (long) 530
#define SET_MHPROFILE (long) 531
#define GET_MHPATH (long) 532
#define SET_MHPATH (long) 533
#define GET_ONETIMEEXPUNGEATPING (long) 534
#define SET_ONETIMEEXPUNGEATPING (long) 535
#define GET_USERHASNOLIFE (long) 536
#define SET_USERHASNOLIFE (long) 537
#define GET_FTPPROTECTION (long) 538
#define SET_FTPPROTECTION (long) 539
#define GET_PUBLICPROTECTION (long) 540
#define SET_PUBLICPROTECTION (long) 541
#define GET_SHAREDPROTECTION (long) 542
#define SET_SHAREDPROTECTION (long) 543
/* Driver flags */
#define DR_DISABLE (long) 1 /* driver is disabled */
#define DR_LOCAL (long) 2 /* local file driver */
#define DR_MAIL (long) 4 /* supports mail */
#define DR_NEWS (long) 8 /* supports news */
#define DR_READONLY (long) 16 /* driver only allows readonly access */
#define DR_NOFAST (long) 32 /* "fast" data is slow (whole msg fetch) */
#define DR_NAMESPACE (long) 64 /* driver has a special namespace */
#define DR_LOWMEM (long) 128 /* low amounts of memory available */
#define DR_LOCKING (long) 256 /* driver does locking */
#define DR_CRLF (long) 512 /* driver internal form uses CRLF newlines */
#define DR_NOSTICKY (long) 1024 /* driver does not support sticky UIDs */
#define DR_RECYCLE (long) 2048 /* driver does stream recycling */
/* Cache management function codes */
#define CH_INIT (long) 10 /* initialize cache */
#define CH_SIZE (long) 11 /* (re-)size the cache */
#define CH_MAKEELT (long) 30 /* return elt, make if needed */
#define CH_ELT (long) 31 /* return elt if exists */
#define CH_SORTCACHE (long) 35 /* return sortcache entry, make if needed */
#define CH_FREE (long) 40 /* free space used by elt */
/* free space used by sortcache */
#define CH_FREESORTCACHE (long) 43
#define CH_EXPUNGE (long) 45 /* delete elt pointer from list */
/* Open options */
#define OP_DEBUG (long) 1 /* debug protocol negotiations */
#define OP_READONLY (long) 2 /* read-only open */
#define OP_ANONYMOUS (long) 4 /* anonymous open of newsgroup */
#define OP_SHORTCACHE (long) 8 /* short (elt-only) caching */
#define OP_SILENT (long) 16 /* don't pass up events (internal use) */
#define OP_PROTOTYPE (long) 32 /* return driver prototype */
#define OP_HALFOPEN (long) 64 /* half-open (IMAP connect but no select) */
#define OP_EXPUNGE (long) 128 /* silently expunge recycle stream */
#define OP_SECURE (long) 256 /* don't do non-secure authentication */
/* Close options */
#define CL_EXPUNGE (long) 1 /* expunge silently */
/* Fetch options */
#define FT_UID (long) 1 /* argument is a UID */
#define FT_PEEK (long) 2 /* peek at data */
#define FT_NOT (long) 4 /* NOT flag for header lines fetch */
#define FT_INTERNAL (long) 8 /* text can be internal strings */
#define FT_PREFETCHTEXT (long) 16 /* IMAP prefetch text when fetching header */
/* Flagging options */
#define ST_UID (long) 1 /* argument is a UID sequence */
#define ST_SILENT (long) 2 /* don't return results */
#define ST_SET (long) 4 /* set vs. clear */
/* Copy options */
#define CP_UID (long) 1 /* argument is a UID sequence */
#define CP_MOVE (long) 2 /* delete from source after copying */
/* Search/sort options */
#define SE_UID (long) 1 /* return UID */
#define SE_FREE (long) 2 /* free search program after finished */
#define SE_NOPREFETCH (long) 4 /* no search prefetching */
#define SO_FREE (long) 8 /* free sort program after finished */
#define SO_NOSERVER (long) 16 /* don't do server-based sort */
#define SE_RETAIN (long) 32 /* retain previous search results */
/* Status options */
#define SA_MESSAGES (long) 1 /* number of messages */
#define SA_RECENT (long) 2 /* number of recent messages */
#define SA_UNSEEN (long) 4 /* number of unseen messages */
#define SA_UIDNEXT (long) 8 /* next UID to be assigned */
#define SA_UIDVALIDITY (long) 16/* UID validity value */
/* Mailgets flags */
#define MG_UID (long) 1 /* message number is a UID */
#define MG_COPY (long) 2 /* must return copy of argument */
/* Garbage collection flags */
#define GC_ELT (long) 1 /* message cache elements */
#define GC_ENV (long) 2 /* envelopes and bodies */
#define GC_TEXTS (long) 4 /* cached texts */
/* Bits for mm_list() and mm_lsub() */
#define LATT_NOINFERIORS (long) 1
#define LATT_NOSELECT (long) 2
#define LATT_MARKED (long) 4
#define LATT_UNMARKED (long) 8
#define LATT_REFERRAL (long) 16
/* Sort functions */
#define SORTDATE 0 /* date */
#define SORTARRIVAL 1 /* arrival date */
#define SORTFROM 2 /* from */
#define SORTSUBJECT 3 /* subject */
#define SORTTO 4 /* to */
#define SORTCC 5 /* cc */
#define SORTSIZE 6 /* size */
/* imapreferral_t codes */
#define REFAUTHFAILED (long) 0 /* authentication referral -- not logged in */
#define REFAUTH (long) 1 /* authentication referral -- logged in */
#define REFSELECT (long) 2 /* select referral */
#define REFCREATE (long) 3
#define REFDELETE (long) 4
#define REFRENAME (long) 5
#define REFSUBSCRIBE (long) 6
#define REFUNSUBSCRIBE (long) 7
#define REFSTATUS (long) 8
#define REFCOPY (long) 9
#define REFAPPEND (long) 10
/* In-memory sized-text */
#define SIZEDTEXT struct mail_sizedtext
SIZEDTEXT {
unsigned char *data; /* text */
unsigned long size; /* size of text in octets */
};
/* String list */
#define STRINGLIST struct string_list
STRINGLIST {
SIZEDTEXT text; /* string text */
STRINGLIST *next;
};
/* Parse results from mail_valid_net_parse */
#define NETMAXHOST 65
#define NETMAXUSER 65
#define NETMAXMBX 256
#define NETMAXSRV 21
typedef struct net_mailbox {
char host[NETMAXHOST]; /* host name (may be canonicalized) */
char orighost[NETMAXHOST]; /* host name before canonicalization */
char user[NETMAXUSER]; /* user name */
char mailbox[NETMAXMBX]; /* mailbox name */
char service[NETMAXSRV]; /* service name */
unsigned long port; /* TCP port number */
unsigned int anoflag : 1; /* anonymous */
unsigned int dbgflag : 1; /* debug flag */
unsigned int secflag : 1; /* secure flag */
unsigned int altflag : 1; /* alt driver flag */
} NETMBX;
/* Item in an address list */
#define ADDRESS struct mail_address
ADDRESS {
char *personal; /* personal name phrase */
char *adl; /* at-domain-list source route */
char *mailbox; /* mailbox name */
char *host; /* domain name of mailbox's host */
char *error; /* error in address from SMTP module */
ADDRESS *next; /* pointer to next address in list */
};
/* Message envelope */
typedef struct mail_envelope {
unsigned int ngbogus : 1; /* newsgroups may be bogus */
char *remail; /* remail header if any */
ADDRESS *return_path; /* error return address */
char *date; /* message composition date string */
ADDRESS *from; /* originator address list */
ADDRESS *sender; /* sender address list */
ADDRESS *reply_to; /* reply address list */
char *subject; /* message subject string */
ADDRESS *to; /* primary recipient list */
ADDRESS *cc; /* secondary recipient list */
ADDRESS *bcc; /* blind secondary recipient list */
char *in_reply_to; /* replied message ID */
char *message_id; /* message ID */
char *newsgroups; /* USENET newsgroups */
char *followup_to; /* USENET reply newsgroups */
char *references; /* USENET references */
} ENVELOPE;
/* Primary body types */
/* If you change any of these you must also change body_types in rfc822.c */
#define TYPETEXT 0 /* unformatted text */
#define TYPEMULTIPART 1 /* multiple part */
#define TYPEMESSAGE 2 /* encapsulated message */
#define TYPEAPPLICATION 3 /* application data */
#define TYPEAUDIO 4 /* audio */
#define TYPEIMAGE 5 /* static image */
#define TYPEVIDEO 6 /* video */
#define TYPEMODEL 7 /* model */
#define TYPEOTHER 8 /* unknown */
#define TYPEMAX 15 /* maximum type code */
/* Body encodings */
/* If you change any of these you must also change body_encodings in rfc822.c
*/
#define ENC7BIT 0 /* 7 bit SMTP semantic data */
#define ENC8BIT 1 /* 8 bit SMTP semantic data */
#define ENCBINARY 2 /* 8 bit binary data */
#define ENCBASE64 3 /* base-64 encoded data */
#define ENCQUOTEDPRINTABLE 4 /* human-readable 8-as-7 bit data */
#define ENCOTHER 5 /* unknown */
#define ENCMAX 10 /* maximum encoding code */
/* Body contents */
#define BODY struct mail_bodystruct
#define MESSAGE struct mail_body_message
#define PARAMETER struct mail_body_parameter
#define PART struct mail_body_part
#define PARTTEXT struct mail_body_text
/* Message body text */
PARTTEXT {
unsigned long offset; /* offset from body origin */
SIZEDTEXT text; /* text */
};
/* Message body structure */
BODY {
unsigned short type; /* body primary type */
unsigned short encoding; /* body transfer encoding */
char *subtype; /* subtype string */
PARAMETER *parameter; /* parameter list */
char *id; /* body identifier */
char *description; /* body description */
struct { /* body disposition */
char *type; /* disposition type */
PARAMETER *parameter; /* disposition parameters */
} disposition;
STRINGLIST *language; /* body language */
PARTTEXT mime; /* MIME header */
PARTTEXT contents; /* body part contents */
union { /* different ways of accessing contents */
PART *part; /* body part list */
MESSAGE *msg; /* body encapsulated message */
} nested;
struct {
unsigned long lines; /* size of text in lines */
unsigned long bytes; /* size of text in octets */
} size;
char *md5; /* MD5 checksum */
};
/* Parameter list */
PARAMETER {
char *attribute; /* parameter attribute name */
char *value; /* parameter value */
PARAMETER *next; /* next parameter in list */
};
/* Multipart content list */
PART {
BODY body; /* body information for this part */
PART *next; /* next body part */
};
/* RFC-822 Message */
MESSAGE {
ENVELOPE *env; /* message envelope */
BODY *body; /* message body */
PARTTEXT full; /* full message */
STRINGLIST *lines; /* lines used to filter header */
PARTTEXT header; /* header text */
PARTTEXT text; /* body text */
};
/* Entry in the message cache array */
typedef struct message_cache {
unsigned long msgno; /* message number */
unsigned int lockcount : 8; /* non-zero if multiple references */
unsigned long rfc822_size; /* # of bytes of message as raw RFC822 */
struct { /* c-client internal use only */
unsigned long uid; /* message unique ID */
PARTTEXT special; /* special text pointers */
MESSAGE msg; /* internal message pointers */
unsigned int sequence : 1; /* saved sequence bit; */
} private;
/* internal date */
unsigned int day : 5; /* day of month (1-31) */
unsigned int month : 4; /* month of year (1-12) */
unsigned int year : 7; /* year since BASEYEAR (expires in 127 yrs) */
unsigned int hours: 5; /* hours (0-23) */
unsigned int minutes: 6; /* minutes (0-59) */
unsigned int seconds: 6; /* seconds (0-59) */
unsigned int zoccident : 1; /* non-zero if west of UTC */
unsigned int zhours : 4; /* hours from UTC (0-12) */
unsigned int zminutes: 6; /* minutes (0-59) */
/* system flags */
unsigned int seen : 1; /* system Seen flag */
unsigned int deleted : 1; /* system Deleted flag */
unsigned int flagged : 1; /* system Flagged flag */
unsigned int answered : 1; /* system Answered flag */
unsigned int draft : 1; /* system Draft flag */
unsigned int recent : 1; /* system Recent flag */
/* message status */
unsigned int valid : 1; /* elt has valid flags */
unsigned int searched : 1; /* message was searched */
unsigned int sequence : 1; /* message is in sequence */
/* reserved for use by main program */
unsigned int spare : 1; /* first spare bit */
unsigned int spare2 : 1; /* second spare bit */
unsigned int spare3 : 1; /* third spare bit */
void *sparep; /* spare pointer */
unsigned long user_flags; /* user-assignable flags */
} MESSAGECACHE;
/* String structure */
#define STRINGDRIVER struct string_driver
typedef struct mailstring {
void *data; /* driver-dependent data */
unsigned long data1; /* driver-dependent data */
unsigned long size; /* total length of string */
char *chunk; /* base address of chunk */
unsigned long chunksize; /* size of chunk */
unsigned long offset; /* offset of this chunk in base */
char *curpos; /* current position in chunk */
unsigned long cursize; /* number of bytes remaining in chunk */
STRINGDRIVER *dtb; /* driver that handles this type of string */
} STRING;
/* Dispatch table for string driver */
STRINGDRIVER {
/* initialize string driver */
void (*init) (STRING *s,void *data,unsigned long size);
/* get next character in string */
char (*next) (STRING *s);
/* set position in string */
void (*setpos) (STRING *s,unsigned long i);
};
/* Stringstruct access routines */
#define INIT(s,d,data,size) ((*((s)->dtb = &d)->init) (s,data,size))
#define SIZE(s) ((s)->size - GETPOS (s))
#define CHR(s) (*(s)->curpos)
#define SNX(s) (--(s)->cursize ? *(s)->curpos++ : (*(s)->dtb->next) (s))
#define GETPOS(s) ((s)->offset + ((s)->curpos - (s)->chunk))
#define SETPOS(s,i) (*(s)->dtb->setpos) (s,i)
/* Search program */
#define SEARCHPGM struct search_program
#define SEARCHHEADER struct search_header
#define SEARCHSET struct search_set
#define SEARCHOR struct search_or
#define SEARCHPGMLIST struct search_pgm_list
SEARCHHEADER { /* header search */
SIZEDTEXT line; /* header line */
SIZEDTEXT text; /* text in header */
SEARCHHEADER *next; /* next in list */
};
SEARCHSET { /* message set */
unsigned long first; /* sequence number */
unsigned long last; /* last value, if a range */
SEARCHSET *next; /* next in list */
};
SEARCHOR {
SEARCHPGM *first; /* first program */
SEARCHPGM *second; /* second program */
SEARCHOR *next; /* next in list */
};
SEARCHPGMLIST {
SEARCHPGM *pgm; /* search program */
SEARCHPGMLIST *next; /* next in list */
};
SEARCHPGM { /* search program */
SEARCHSET *msgno; /* message numbers */
SEARCHSET *uid; /* unique identifiers */
SEARCHOR *or; /* or'ed in programs */
SEARCHPGMLIST *not; /* and'ed not program */
SEARCHHEADER *header; /* list of headers */
STRINGLIST *bcc; /* bcc recipients */
STRINGLIST *body; /* text in message body */
STRINGLIST *cc; /* cc recipients */
STRINGLIST *from; /* originator */
STRINGLIST *keyword; /* keywords */
STRINGLIST *unkeyword; /* unkeywords */
STRINGLIST *subject; /* text in subject */
STRINGLIST *text; /* text in headers and body */
STRINGLIST *to; /* to recipients */
unsigned long larger; /* larger than this size */
unsigned long smaller; /* smaller than this size */
unsigned short sentbefore; /* sent before this date */
unsigned short senton; /* sent on this date */
unsigned short sentsince; /* sent since this date */
unsigned short before; /* before this date */
unsigned short on; /* on this date */
unsigned short since; /* since this date */
unsigned int answered : 1; /* answered messages */
unsigned int unanswered : 1; /* unanswered messages */
unsigned int deleted : 1; /* deleted messages */
unsigned int undeleted : 1; /* undeleted messages */
unsigned int draft : 1; /* message draft */
unsigned int undraft : 1; /* message undraft */
unsigned int flagged : 1; /* flagged messages */
unsigned int unflagged : 1; /* unflagged messages */
unsigned int recent : 1; /* recent messages */
unsigned int old : 1; /* old messages */
unsigned int seen : 1; /* seen messages */
unsigned int unseen : 1; /* unseen messages */
};
/* Mailbox status */
typedef struct mbx_status {
long flags; /* validity flags */
unsigned long messages; /* number of messages */
unsigned long recent; /* number of recent messages */
unsigned long unseen; /* number of unseen messages */
unsigned long uidnext; /* next UID to be assigned */
unsigned long uidvalidity; /* UID validity value */
} MAILSTATUS;
/* Sort program */
typedef void (*postsort_t) (void *sc);
#define SORTPGM struct sort_program
SORTPGM {
unsigned int reverse : 1; /* sort function is to be reversed */
unsigned int abort : 1; /* abort sorting */
short function; /* sort function */
unsigned long nmsgs; /* number of messages being sorted */
struct {
unsigned long cached; /* number of messages cached so far */
unsigned long sorted; /* number of messages sorted so far */
unsigned long postsorted; /* number of postsorted messages so far */
} progress;
postsort_t postsort; /* post sorter */
SORTPGM *next; /* next function */
};
/* Sort cache */
#define SORTCACHE struct sort_cache
SORTCACHE {
unsigned int sorted : 1; /* message has been sorted */
unsigned int postsorted : 1; /* message has been postsorted */
SORTPGM *pgm; /* sort program */
unsigned long num; /* message number (sequence or UID) */
unsigned long date; /* delivery date */
unsigned long arrival; /* arrival date */
unsigned long size; /* message size */
char *from; /* from string */
char *to; /* to string */
char *cc; /* cc string */
char *subject; /* subject string */
};
/* Mail Access I/O stream */
/* Structure for mail driver dispatch */
#define DRIVER struct driver
/* Mail I/O stream */
typedef struct mail_stream {
DRIVER *dtb; /* dispatch table for this driver */
void *local; /* pointer to driver local data */
char *mailbox; /* mailbox name */
unsigned short use; /* stream use count */
unsigned short sequence; /* stream sequence */
unsigned int lock : 1; /* stream lock flag */
unsigned int debug : 1; /* stream debug flag */
unsigned int silent : 1; /* silent stream from Tenex */
unsigned int rdonly : 1; /* stream read-only flag */
unsigned int anonymous : 1; /* stream anonymous access flag */
unsigned int scache : 1; /* stream short cache flag */
unsigned int halfopen : 1; /* stream half-open flag */
unsigned int secure : 1; /* stream secure flag */
unsigned int perm_seen : 1; /* permanent Seen flag */
unsigned int perm_deleted : 1;/* permanent Deleted flag */
unsigned int perm_flagged : 1;/* permanent Flagged flag */
unsigned int perm_answered :1;/* permanent Answered flag */
unsigned int perm_draft : 1; /* permanent Draft flag */
unsigned int kwd_create : 1; /* can create new keywords */
unsigned int uid_nosticky : 1;/* UIDs are not preserved */
unsigned long perm_user_flags;/* mask of permanent user flags */
unsigned long gensym; /* generated tag */
unsigned long nmsgs; /* # of associated msgs */
unsigned long recent; /* # of recent msgs */
unsigned long uid_validity; /* UID validity sequence */
unsigned long uid_last; /* last assigned UID */
char *user_flags[NUSERFLAGS]; /* pointers to user flags in bit order */
unsigned long cachesize; /* size of message cache */
MESSAGECACHE **cache; /* message cache array */
SORTCACHE **sc; /* sort cache array */
unsigned long msgno; /* message number of `current' message */
ENVELOPE *env; /* scratch buffer for envelope */
BODY *body; /* scratch buffer for body */
SIZEDTEXT text; /* scratch buffer for text */
union { /* internal use only */
struct { /* search temporaries */
STRINGLIST *string; /* string(s) to search */
long result; /* search result */
char *text; /* cache of fetched text */
} search;
} private;
} MAILSTREAM;
/* Mail I/O stream handle */
typedef struct mail_stream_handle {
MAILSTREAM *stream; /* pointer to mail stream */
unsigned short sequence; /* sequence of what we expect stream to be */
} MAILHANDLE;
/* Message overview */
typedef struct mail_overview {
char *subject; /* message subject string */
ADDRESS *from; /* originator address list */
char *date; /* message composition date string */
char *message_id; /* message ID */
char *references; /* USENET references */
struct { /* may be 0 or NUL if unknown/undefined */
unsigned long octets; /* message octets (probably LF-newline form) */
unsigned long lines; /* message lines */
char *xref; /* cross references */
} optional;
} OVERVIEW;
/* Network access I/O stream */
/* Structure for network driver dispatch */
#define NETDRIVER struct net_driver
/* Network transport I/O stream */
typedef struct net_stream {
void *stream; /* driver's I/O stream */
NETDRIVER *dtb; /* network driver */
} NETSTREAM;
/* Network transport driver dispatch */
NETDRIVER {
void *(*open) (char *host,char *service,unsigned long port);
void *(*aopen) (NETMBX *mb,char *service,char *usrbuf);
char *(*getline) (void *stream);
long (*getbuffer) (void *stream,unsigned long size,char *buffer);
long (*soutr) (void *stream,char *string);
long (*sout) (void *stream,char *string,unsigned long size);
void (*close) (void *stream);
char *(*host) (void *stream);
char *(*remotehost) (void *stream);
unsigned long (*port) (void *stream);
char *(*localhost) (void *stream);
};
/* Mailgets data identifier */
typedef struct GETS_DATA {
MAILSTREAM *stream;
unsigned long msgno;
char *what;
STRINGLIST *stl;
unsigned long first;
unsigned long last;
long flags;
} GETS_DATA;
#define INIT_GETS(md,s,m,w,f,l) \
md.stream = s, md.msgno = m, md.what = w, md.first = f, md.last = l, \
md.stl = NIL, md.flags = NIL;
/* Mail delivery I/O stream */
typedef struct send_stream {
NETSTREAM *netstream; /* network I/O stream */
char *reply; /* last reply string */
long replycode; /* last reply code */
unsigned int debug : 1; /* stream debug flag */
union { /* protocol specific */
struct { /* SMTP specific */
unsigned int ok : 1; /* supports ESMTP */
struct { /* service extensions */
unsigned int send : 1; /* supports SEND */
unsigned int soml : 1; /* supports SOML */
unsigned int saml : 1; /* supports SAML */
unsigned int expn : 1; /* supports EXPN */
unsigned int help : 1; /* supports HELP */
unsigned int turn : 1; /* supports TURN */
unsigned int etrn : 1; /* supports ETRN */
unsigned int relay : 1; /* supports relaying */
unsigned int pipe : 1; /* supports pipelining */
unsigned int ensc : 1; /* supports enhanced status codes */
} service;
struct { /* 8-bit MIME transport */
unsigned int ok : 1; /* supports 8-bit MIME */
unsigned int want : 1; /* want 8-bit MIME */
} eightbit;
struct { /* delivery status notification */
unsigned int ok : 1; /* supports DSN */
unsigned int want : 1; /* want DSN */
struct { /* notification options */
/* notify on failure */
unsigned int failure : 1;
/* notify on delay */
unsigned int delay : 1;
/* notify on success */
unsigned int success : 1;
} notify;
unsigned int full : 1; /* return full headers */
} dsn;
struct { /* size declaration */
unsigned int ok : 1; /* supports SIZE */
unsigned long limit; /* maximum size supported */
} size;
unsigned long auth; /* supported SASL authenticators */
} esmtp;
struct { /* NNTP specific */
unsigned int post : 1; /* supports POST */
} nntp;
} protocol;
} SENDSTREAM;
/* Jacket into external interfaces */
typedef long (*readfn_t) (void *stream,unsigned long size,char *buffer);
typedef char *(*mailgets_t) (readfn_t f,void *stream,unsigned long size,
GETS_DATA *md);
typedef char *(*readprogress_t) (GETS_DATA *md,unsigned long octets);
typedef void *(*mailcache_t) (MAILSTREAM *stream,unsigned long msgno,long op);
typedef long (*mailproxycopy_t) (MAILSTREAM *stream,char *sequence,
char *mailbox,long options);
typedef long (*tcptimeout_t) (long overall,long last);
typedef void *(*authchallenge_t) (void *stream,unsigned long *len);
typedef long (*authrespond_t) (void *stream,char *s,unsigned long size);
typedef long (*authcheck_t) (void);
typedef long (*authclient_t) (authchallenge_t challenger,
authrespond_t responder,NETMBX *mb,void *s,
unsigned long *trial,char *user);
typedef char *(*authresponse_t) (void *challenge,unsigned long clen,
unsigned long *rlen);
typedef char *(*authserver_t) (authresponse_t responder,int argc,char *argv[]);
typedef void (*smtpverbose_t) (char *buffer);
typedef void (*imapenvelope_t) (MAILSTREAM *stream,unsigned long msgno,
ENVELOPE *env);
typedef char *(*imapreferral_t) (MAILSTREAM *stream,char *url,long code);
typedef void (*overview_t) (MAILSTREAM *stream,unsigned long uid,OVERVIEW *ov);
typedef unsigned long *(*sorter_t) (MAILSTREAM *stream,char *charset,
SEARCHPGM *spg,SORTPGM *pgm,long flags);
typedef ADDRESS *(*parsephrase_t) (char *phrase,char *end,char *host);
typedef char *(*userprompt_t) (void);
/* Globals */
extern char *body_types[]; /* defined body type strings */
extern char *body_encodings[]; /* defined body encoding strings */
extern const char *days[]; /* day name strings */
extern const char *months[]; /* month name strings */
/* Threading */
/* Thread node */
#define THREADNODE struct thread_node
THREADNODE {
unsigned long num; /* message number */
SORTCACHE *sc; /* (internal use) sortcache entry */
THREADNODE *branch; /* branch at this point in tree */
THREADNODE *next; /* next node */
};
/* Thread dispatch */
#define THREADER struct threader_list
THREADER {
char *name; /* name of threader */
THREADNODE *(*dispatch) (MAILSTREAM *stream,char *charset,SEARCHPGM *spg,
long flags,sorter_t sorter);
THREADER *next;
};
/* Namespaces */
#define NAMESPACE struct mail_namespace
NAMESPACE {
char *name; /* name of this namespace */
int delimiter; /* hierarchy delimiter */
PARAMETER *param; /* namespace parameters */
NAMESPACE *next; /* next namespace */
};
/* Authentication */
#define AUTHENTICATOR struct mail_authenticator
AUTHENTICATOR {
unsigned int secflag : 1; /* secure authenticator */
char *name; /* name of this authenticator */
authcheck_t valid; /* authenticator valid on this system */
authclient_t client; /* client function that supports it */
authserver_t server; /* server function that supports it */
AUTHENTICATOR *next; /* next authenticator */
};
/* Mail driver dispatch */
/* normal dispatching */
#define SAFE_DISPATCH(dtb,ret,dsp,args) \
if (dtb) SAFE_FUNCTION(dtb,ret,(*dtb->dsp),args)
#define SAFE_FUNCTION(dtb,ret,func,args) ret = func args;
DRIVER {
char *name; /* driver name */
unsigned long flags; /* driver flags */
DRIVER *next; /* next driver */
/* mailbox is valid for us */
DRIVER *(*valid) (char *mailbox);
/* manipulate driver parameters */
void *(*parameters) (long function,void *value);
/* scan mailboxes */
void (*scan) (MAILSTREAM *stream,char *ref,char *pat,char *contents);
/* list mailboxes */
void (*list) (MAILSTREAM *stream,char *ref,char *pat);
/* list subscribed mailboxes */
void (*lsub) (MAILSTREAM *stream,char *ref,char *pat);
/* subscribe to mailbox */
long (*subscribe) (MAILSTREAM *stream,char *mailbox);
/* unsubscribe from mailbox */
long (*unsubscribe) (MAILSTREAM *stream,char *mailbox);
/* create mailbox */
long (*create) (MAILSTREAM *stream,char *mailbox);
/* delete mailbox */
long (*mbxdel) (MAILSTREAM *stream,char *mailbox);
/* rename mailbox */
long (*mbxren) (MAILSTREAM *stream,char *old,char *newname);
/* status of mailbox */
long (*status) (MAILSTREAM *stream,char *mbx,long flags);
/* open mailbox */
MAILSTREAM *(*open) (MAILSTREAM *stream);
/* close mailbox */
void (*close) (MAILSTREAM *stream,long options);
/* fetch message "fast" attributes */
void (*fast) (MAILSTREAM *stream,char *sequence,long flags);
/* fetch message flags */
void (*msgflags) (MAILSTREAM *stream,char *sequence,long flags);
/* fetch message overview */
long (*overview) (MAILSTREAM *stream,char *sequence,overview_t ofn);
/* fetch message envelopes */
ENVELOPE *(*structure) (MAILSTREAM *stream,unsigned long msgno,BODY **body,
long flags);
/* return RFC-822 header */
char *(*header) (MAILSTREAM *stream,unsigned long msgno,
unsigned long *length,long flags);
/* return RFC-822 text */
long (*text) (MAILSTREAM *stream,unsigned long msgno,STRING *bs,long flags);
/* load cache */
long (*msgdata) (MAILSTREAM *stream,unsigned long msgno,char *section,
unsigned long first,unsigned long last,STRINGLIST *lines,
long flags);
/* return UID for message */
unsigned long (*uid) (MAILSTREAM *stream,unsigned long msgno);
/* return message number from UID */
unsigned long (*msgno) (MAILSTREAM *stream,unsigned long uid);
/* modify flags */
void (*flag) (MAILSTREAM *stream,char *sequence,char *flag,long flags);
/* per-message modify flags */
void (*flagmsg) (MAILSTREAM *stream,MESSAGECACHE *elt);
/* search for message based on criteria */
void (*search) (MAILSTREAM *stream,char *charset,SEARCHPGM *pgm,long flags);
/* sort messages */
unsigned long *(*sort) (MAILSTREAM *stream,char *charset,SEARCHPGM *spg,
SORTPGM *pgm,long flags);
/* thread messages */
THREADNODE *(*thread) (MAILSTREAM *stream,char *type,char *charset,
SEARCHPGM *spg,long flag);
/* ping mailbox to see if still alive */
long (*ping) (MAILSTREAM *stream);
/* check for new messages */
void (*check) (MAILSTREAM *stream);
/* expunge deleted messages */
void (*expunge) (MAILSTREAM *stream);
/* copy messages to another mailbox */
long (*copy) (MAILSTREAM *stream,char *sequence,char *mailbox,long options);
/* append string message to mailbox */
long (*append) (MAILSTREAM *stream,char *mailbox,char *flags,char *date,
STRING *message);
/* garbage collect stream */
void (*gc) (MAILSTREAM *stream,long gcflags);
};
#include "linkage.h"
/* Compatibility support names for old interfaces */
#define mail_close(stream) \
mail_close_full (stream,NIL)
#define mail_fetchfast(stream,sequence) \
mail_fetch_fast (stream,sequence,NIL)
#define mail_fetchfast_full mail_fetch_fast
#define mail_fetchflags(stream,sequence) \
mail_fetch_flags (stream,sequence,NIL)
#define mail_fetchflags_full mail_fetch_flags
#define mail_fetchenvelope(stream,msgno) \
mail_fetch_structure (stream,msgno,NIL,NIL)
#define mail_fetchstructure(stream,msgno,body) \
mail_fetch_structure (stream,msgno,body,NIL)
#define mail_fetchstructure_full mail_fetch_structure
#define mail_fetchheader(stream,msgno) \
mail_fetch_header (stream,msgno,NIL,NIL,NIL,FT_PEEK)
#define mail_fetchheader_full(stream,msgno,lines,len,flags) \
mail_fetch_header (stream,msgno,NIL,lines,len,FT_PEEK | (flags))
#define mail_fetchtext(stream,msgno) \
mail_fetch_text (stream,msgno,NIL,NIL,NIL)
#define mail_fetchtext_full(stream,msgno,length,flags) \
mail_fetch_text (stream,msgno,NIL,length,flags)
#define mail_fetchbody(stream,msgno,section,length) \
mail_fetch_body (stream,msgno,section,length,NIL)
#define mail_fetchbody_full mail_fetch_body
#define mail_setflag(stream,sequence,flag) \
mail_flag (stream,sequence,flag,ST_SET)
#define mail_setflag_full(stream,sequence,flag,flags) \
mail_flag (stream,sequence,flag,ST_SET | (flags))
#define mail_clearflag(stream,sequence,flag) \
mail_flag (stream,sequence,flag,NIL)
#define mail_clearflag_full mail_flag
#define mail_search(stream,criteria) \
mail_search_full (stream,NIL,mail_criteria (criteria),SE_FREE);
#define mail_copy(stream,sequence,mailbox) \
mail_copy_full (stream,sequence,mailbox,NIL)
#define mail_move(stream,sequence,mailbox) \
mail_copy_full (stream,sequence,mailbox,CP_MOVE)
#define mail_append(stream,mailbox,message) \
mail_append_full (stream,mailbox,NIL,NIL,message)
/* Function prototypes */
void mm_searched (MAILSTREAM *stream,unsigned long number);
void mm_exists (MAILSTREAM *stream,unsigned long number);
void mm_expunged (MAILSTREAM *stream,unsigned long number);
void mm_flags (MAILSTREAM *stream,unsigned long number);
void mm_notify (MAILSTREAM *stream,char *string,long errflg);
void mm_list (MAILSTREAM *stream,int delimiter,char *name,long attributes);
void mm_lsub (MAILSTREAM *stream,int delimiter,char *name,long attributes);
void mm_status (MAILSTREAM *stream,char *mailbox,MAILSTATUS *status);
void mm_log (char *string,long errflg);
void mm_dlog (char *string);
void mm_login (NETMBX *mb,char *user,char *pwd,long trial);
void mm_critical (MAILSTREAM *stream);
void mm_nocritical (MAILSTREAM *stream);
long mm_diskerror (MAILSTREAM *stream,long errcode,long serious);
void mm_fatal (char *string);
void *mm_cache (MAILSTREAM *stream,unsigned long msgno,long op);
extern STRINGDRIVER mail_string;
void mail_string_init (STRING *s,void *data,unsigned long size);
char mail_string_next (STRING *s);
void mail_string_setpos (STRING *s,unsigned long i);
void mail_link (DRIVER *driver);
void *mail_parameters (MAILSTREAM *stream,long function,void *value);
DRIVER *mail_valid (MAILSTREAM *stream,char *mailbox,char *purpose);
DRIVER *mail_valid_net (char *name,DRIVER *drv,char *host,char *mailbox);
long mail_valid_net_parse (char *name,NETMBX *mb);
void mail_scan (MAILSTREAM *stream,char *ref,char *pat,char *contents);
void mail_list (MAILSTREAM *stream,char *ref,char *pat);
void mail_lsub (MAILSTREAM *stream,char *ref,char *pat);
long mail_subscribe (MAILSTREAM *stream,char *mailbox);
long mail_unsubscribe (MAILSTREAM *stream,char *mailbox);
long mail_create (MAILSTREAM *stream,char *mailbox);
long mail_delete (MAILSTREAM *stream,char *mailbox);
long mail_rename (MAILSTREAM *stream,char *old,char *newname);
long mail_status (MAILSTREAM *stream,char *mbx,long flags);
long mail_status_default (MAILSTREAM *stream,char *mbx,long flags);
MAILSTREAM *mail_open (MAILSTREAM *oldstream,char *name,long options);
MAILSTREAM *mail_close_full (MAILSTREAM *stream,long options);
MAILHANDLE *mail_makehandle (MAILSTREAM *stream);
void mail_free_handle (MAILHANDLE **handle);
MAILSTREAM *mail_stream (MAILHANDLE *handle);
void mail_fetch_fast (MAILSTREAM *stream,char *sequence,long flags);
void mail_fetch_flags (MAILSTREAM *stream,char *sequence,long flags);
void mail_fetch_overview (MAILSTREAM *stream,char *sequence,overview_t ofn);
ENVELOPE *mail_fetch_structure (MAILSTREAM *stream,unsigned long msgno,
BODY **body,long flags);
char *mail_fetch_message (MAILSTREAM *stream,unsigned long msgno,
unsigned long *len,long flags);
char *mail_fetch_header (MAILSTREAM *stream,unsigned long msgno,char *section,
STRINGLIST *lines,unsigned long *len,long flags);
char *mail_fetch_text (MAILSTREAM *stream,unsigned long msgno,char *section,
unsigned long *len,long flags);
char *mail_fetch_mime (MAILSTREAM *stream,unsigned long msgno,char *section,
unsigned long *len,long flags);
char *mail_fetch_body (MAILSTREAM *stream,unsigned long msgno,char *section,
unsigned long *len,long flags);
long mail_partial_text (MAILSTREAM *stream,unsigned long msgno,char *section,
unsigned long first,unsigned long last,long flags);
long mail_partial_body (MAILSTREAM *stream,unsigned long msgno,char *section,
unsigned long first,unsigned long last,long flags);
char *mail_fetch_text_return (GETS_DATA *md,SIZEDTEXT *t,unsigned long *len);
char *mail_fetch_string_return (GETS_DATA *md,STRING *bs,unsigned long i,
unsigned long *len);
long mail_read (void *stream,unsigned long size,char *buffer);
unsigned long mail_uid (MAILSTREAM *stream,unsigned long msgno);
unsigned long mail_msgno (MAILSTREAM *stream,unsigned long uid);
void mail_fetchfrom (char *s,MAILSTREAM *stream,unsigned long msgno,
long length);
void mail_fetchsubject (char *s,MAILSTREAM *stream,unsigned long msgno,
long length);
MESSAGECACHE *mail_elt (MAILSTREAM *stream,unsigned long msgno);
void mail_flag (MAILSTREAM *stream,char *sequence,char *flag,long flags);
void mail_search_full (MAILSTREAM *stream,char *charset,SEARCHPGM *pgm,
long flags);
void mail_search_default (MAILSTREAM *stream,char *charset,SEARCHPGM *pgm,
long flags);
long mail_ping (MAILSTREAM *stream);
void mail_check (MAILSTREAM *stream);
void mail_expunge (MAILSTREAM *stream);
long mail_copy_full (MAILSTREAM *stream,char *sequence,char *mailbox,
long options);
long mail_append_full (MAILSTREAM *stream,char *mailbox,char *flags,char *date,
STRING *message);
void mail_gc (MAILSTREAM *stream,long gcflags);
void mail_gc_msg (MESSAGE *msg,long gcflags);
void mail_gc_body (BODY *body);
BODY *mail_body (MAILSTREAM *stream,unsigned long msgno,char *section);
char *mail_date (char *string,MESSAGECACHE *elt);
char *mail_cdate (char *string,MESSAGECACHE *elt);
long mail_parse_date (MESSAGECACHE *elt,char *string);
void mail_exists (MAILSTREAM *stream,unsigned long nmsgs);
void mail_recent (MAILSTREAM *stream,unsigned long recent);
void mail_expunged (MAILSTREAM *stream,unsigned long msgno);
void mail_lock (MAILSTREAM *stream);
void mail_unlock (MAILSTREAM *stream);
void mail_debug (MAILSTREAM *stream);
void mail_nodebug (MAILSTREAM *stream);
long mail_match_lines (STRINGLIST *lines,STRINGLIST *msglines,long flags);
unsigned long mail_filter (char *text,unsigned long len,STRINGLIST *lines,
long flags);
long mail_search_msg (MAILSTREAM *stream,unsigned long msgno,SEARCHPGM *pgm);
long mail_search_header (SIZEDTEXT *hdr,STRINGLIST *st);
long mail_search_text (MAILSTREAM *stream,unsigned long msgno,STRINGLIST *st,
long flags);
long mail_search_body (MAILSTREAM *stream,unsigned long msgno,BODY *body,
char *prefix,unsigned long section,long flags);
long mail_search_string (SIZEDTEXT *s,char *charset,STRINGLIST **st);
long mail_search_keyword (MAILSTREAM *stream,MESSAGECACHE *elt,STRINGLIST *st);
long mail_search_addr (ADDRESS *adr,STRINGLIST *st);
char *mail_search_gets (readfn_t f,void *stream,unsigned long size,
MAILSTREAM *ms,unsigned long msgno,char *what,
long flags);
SEARCHPGM *mail_criteria (char *criteria);
int mail_criteria_date (unsigned short *date);
int mail_criteria_string (STRINGLIST **s);
unsigned long *mail_sort (MAILSTREAM *stream,char *charset,SEARCHPGM *spg,
SORTPGM *pgm,long flags);
unsigned long *mail_sort_cache (MAILSTREAM *stream,SORTPGM *pgm,SORTCACHE **sc,
long flags);
unsigned long *mail_sort_msgs (MAILSTREAM *stream,char *charset,SEARCHPGM *spg,
SORTPGM *pgm,long flags);
SORTCACHE **mail_sort_loadcache (MAILSTREAM *stream,SORTPGM *pgm);
int mail_sort_compare (const void *a1,const void *a2);
int mail_compare_ulong (unsigned long l1,unsigned long l2);
int mail_compare_cstring (char *s1,char *s2);
unsigned long mail_longdate (MESSAGECACHE *elt);
THREADNODE *mail_thread (MAILSTREAM *stream,char *type,char *charset,
SEARCHPGM *spg,long flags);
THREADNODE *mail_thread_msgs (MAILSTREAM *stream,char *type,char *charset,
SEARCHPGM *spg,long flags,sorter_t sorter);
THREADNODE *mail_thread_orderedsubject (MAILSTREAM *stream,char *charset,
SEARCHPGM *spg,long flags,
sorter_t sorter);
int mail_thread_compare_date (const void *a1,const void *a2);
long mail_sequence (MAILSTREAM *stream,char *sequence);
long mail_uid_sequence (MAILSTREAM *stream,char *sequence);
long mail_parse_flags (MAILSTREAM *stream,char *flag,unsigned long *uf);
long mail_usable_network_stream (MAILSTREAM *stream,char *name);
MESSAGECACHE *mail_new_cache_elt (unsigned long msgno);
ENVELOPE *mail_newenvelope (void);
ADDRESS *mail_newaddr (void);
BODY *mail_newbody (void);
BODY *mail_initbody (BODY *body);
PARAMETER *mail_newbody_parameter (void);
PART *mail_newbody_part (void);
MESSAGE *mail_newmsg (void);
STRINGLIST *mail_newstringlist (void);
SEARCHPGM *mail_newsearchpgm (void);
SEARCHHEADER *mail_newsearchheader (char *line,char *text);
SEARCHSET *mail_newsearchset (void);
SEARCHOR *mail_newsearchor (void);
SEARCHPGMLIST *mail_newsearchpgmlist (void);
SORTPGM *mail_newsortpgm (void);
THREADNODE *mail_newthreadnode (SORTCACHE *sc);
void mail_free_body (BODY **body);
void mail_free_body_data (BODY *body);
void mail_free_body_parameter (PARAMETER **parameter);
void mail_free_body_part (PART **part);
void mail_free_cache (MAILSTREAM *stream);
void mail_free_elt (MESSAGECACHE **elt);
void mail_free_envelope (ENVELOPE **env);
void mail_free_address (ADDRESS **address);
void mail_free_stringlist (STRINGLIST **string);
void mail_free_searchpgm (SEARCHPGM **pgm);
void mail_free_searchheader (SEARCHHEADER **hdr);
void mail_free_searchset (SEARCHSET **set);
void mail_free_searchor (SEARCHOR **orl);
void mail_free_searchpgmlist (SEARCHPGMLIST **pgl);
void mail_free_namespace (NAMESPACE **n);
void mail_free_sortpgm (SORTPGM **pgm);
void mail_free_threadnode (THREADNODE **thr);
void auth_link (AUTHENTICATOR *auth);
char *mail_auth (char *mechanism,authresponse_t resp,int argc,char *argv[]);
AUTHENTICATOR *mail_lookup_auth (unsigned long i);
unsigned int mail_lookup_auth_name (char *mechanism,long secflag);
NETSTREAM *net_open (NETDRIVER *dv,char *host,char *service,unsigned long prt);
NETSTREAM *net_aopen (NETDRIVER *dv,NETMBX *mb,char *service,char *usrbuf);
char *net_getline (NETSTREAM *stream);
/* stream must be void* for use as readfn_t */
long net_getbuffer (void *stream,unsigned long size,char *buffer);
long net_soutr (NETSTREAM *stream,char *string);
long net_sout (NETSTREAM *stream,char *string,unsigned long size);
void net_close (NETSTREAM *stream);
char *net_host (NETSTREAM *stream);
char *net_remotehost (NETSTREAM *stream);
unsigned long net_port (NETSTREAM *stream);
char *net_localhost (NETSTREAM *stream);
long sm_subscribe (char *mailbox);
long sm_unsubscribe (char *mailbox);
char *sm_read (void **sdb);