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typedef struct Message Message;
struct Message
{
int id;
int refs;
int subname;
char name[Elemlen];
// pointers into message
char *start; // start of message
char *end; // end of message
char *header; // start of header
char *hend; // end of header
int hlen; // length of header minus ignored fields
char *mheader; // start of mime header
char *mhend; // end of mime header
char *body; // start of body
char *bend; // end of body
char *rbody; // raw (unprocessed) body
char *rbend; // end of raw (unprocessed) body
char *lim;
char deleted;
char inmbox;
char mallocd; // message is malloc'd
char ballocd; // body is malloc'd
char hallocd; // header is malloce'd
// mail info
String *unixheader;
String *unixfrom;
String *unixdate;
String *from822;
String *sender822;
String *to822;
String *bcc822;
String *cc822;
String *replyto822;
String *date822;
String *inreplyto822;
String *subject822;
String *messageid822;
String *addrs;
String *mimeversion;
String *sdigest;
// mime info
String *boundary;
String *type;
int encoding;
int disposition;
String *charset;
String *filename;
int converted;
int decoded;
char lines[10]; // number of lines in rawbody
Message *next; // same level
Message *part; // down a level
Message *whole; // up a level
uchar digest[SHA1dlen];
vlong imapuid; // used by imap4
char uidl[80]; // used by pop3
int mesgno;
};
enum
{
// encodings
Enone= 0,
Ebase64,
Equoted,
// disposition possibilities
Dnone= 0,
Dinline,
Dfile,
Dignore,
PAD64= '=',
};
typedef struct Mailbox Mailbox;
struct Mailbox
{
QLock ql; /* jpc named Qlock */
int refs;
Mailbox *next;
int id;
int dolock; // lock when syncing?
int std;
char name[Elemlen];
char path[Pathlen];
Dir *d;
Message *root;
int vers; // goes up each time mailbox is read
ulong waketime;
char *(*sync)(Mailbox*, int);
void (*close)(Mailbox*);
char *(*fetch)(Mailbox*, Message*);
char *(*ctl)(Mailbox*, int, char**);
void *aux; // private to Mailbox implementation
};
typedef char *Mailboxinit(Mailbox*, char*);
extern Message *root;
extern Mailboxinit plan9mbox;
extern Mailboxinit pop3mbox;
extern Mailboxinit imap4mbox;
char* syncmbox(Mailbox*, int);
char* geterrstr(void);
void* emalloc(ulong);
void* erealloc(void*, ulong);
Message* newmessage(Message*);
void delmessage(Mailbox*, Message*);
void delmessages(int, char**);
int newid(void);
void mailplumb(Mailbox*, Message*, int);
char* newmbox(char*, char*, int);
void freembox(char*);
void logmsg(char*, Message*);
void msgincref(Message*);
void msgdecref(Mailbox*, Message*);
void mboxincref(Mailbox*);
void mboxdecref(Mailbox*);
void convert(Message*);
void decode(Message*);
int cistrncmp(char*, char*, int);
int cistrcmp(char*, char*);
int latin1toutf(char*, char*, char*);
int windows1257toutf(char*, char*, char*);
int decquoted(char*, char*, char*);
int xtoutf(char*, char**, char*, char*);
void countlines(Message*);
int headerlen(Message*);
void parse(Message*, int, Mailbox*, int);
void parseheaders(Message*, int, Mailbox*, int);
void parsebody(Message*, Mailbox*);
void parseunix(Message*);
String* date822tounix(char*);
int fidmboxrefs(Mailbox*);
int hashmboxrefs(Mailbox*);
void checkmboxrefs(void);
extern int debug;
extern int fflag;
extern int logging;
extern char user[Elemlen];
extern char stdmbox[Pathlen];
extern QLock mbllock;
extern Mailbox *mbl;
extern char *mntpt;
extern int biffing;
extern int plumbing;
extern char* Enotme;
enum
{
/* mail subobjects */
Qbody,
Qbcc,
Qcc,
Qdate,
Qdigest,
Qdisposition,
Qfilename,
Qfrom,
Qheader,
Qinreplyto,
Qlines,
Qmimeheader,
Qmessageid,
Qraw,
Qrawbody,
Qrawheader,
Qrawunix,
Qreplyto,
Qsender,
Qsubject,
Qto,
Qtype,
Qunixheader,
Qinfo,
Qunixdate,
Qmax,
/* other files */
Qtop,
Qmbox,
Qdir,
Qctl,
Qmboxctl,
};
#define PATH(id, f) ((((id)&0xfffff)<<10) | (f))
#define FILE(p) ((p) & 0x3ff)
/* char *dirtab[]; jpc */
// hash table to aid in name lookup, all files have an entry
typedef struct Hash Hash;
struct Hash {
Hash *next;
char *name;
ulong ppath;
Qid qid;
Mailbox *mb;
Message *m;
};
Hash *hlook(ulong, char*);
void henter(ulong, char*, Qid, Message*, Mailbox*);
void hfree(ulong, char*);
ulong msgallocd, msgfreed;
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