/* * A few definitions that try to make this module portable to other * platforms (e.g. Cygwin). This module is based on the information from * http://cr.yp.to/proto/maildir.html */ /* First we deal with the separator character */ #ifndef FLAGSEP #define FLAGSEP ':' #endif #define SIZESEP ',' const char sep1[] = {FLAGSEP, '1', ',', '\0'}; /* experimental semantics*/ const char sep2[] = {FLAGSEP, '2', ',', '\0'}; /* Flags Information */ const char sep3[] = {FLAGSEP, '3', ',', '\0'}; /* Grrrr.... */ const char *sep[] = { sep1, sep2, sep3, NULL}; #define MDSEP(i) sep[((i) - 1)] /* Now we deal with flags. Woohoo! */ typedef enum {Draft, Flagged, Passed, Replied, Seen, Trashed, EmptyFlag, EndFlags} MdFlagNamesType; const int mdimapflags[] = {Draft, Flagged, Replied, Seen, Trashed, EmptyFlag, EndFlags}; const int mdkwdflags[] = {Passed, EmptyFlag, EndFlags}; /* this array lists the codes for mdflgnms (maildir flag names) above */ const char *mdflags[] = { "D", "F", "P", "R", "S", "T", "", NULL}; /* and as characters too */ const char cmdflags[] = { 'D', 'F', 'P', 'R', 'S', 'T', '0', '\0'}; /* MDFLAG(Seen, elt->seen) */ #define MDFLAG(i,j) mdflags[j ? (i) : EmptyFlag] /* MDFLAGC(Seen) */ #define MDFLAGC(i) cmdflags[(i)] /* Now we deal with the directory structure */ typedef enum {Cur, Tmp, New, EndDir} DirNamesType; char *mdstruct[] = {"cur", "tmp", "new", NULL}; #define MDNAME(i) mdstruct[(i)] #define MDFLD(tmp, dir, i) sprintf((tmp),"%s/%s", (dir), mdstruct[(i)]) #define MSGPATH(tmp, dir, msg,i) sprintf((tmp),"%s/%s/%s", (dir), mdstruct[(i)],(msg)) /* Files associated to a maildir directory */ #define MDUIDVALIDITY ".uidvalidity" /* support for old maildirs */ #define MDDIR ".mdir" /* this folder is a directory */ #define MDUIDLAST ".uidlast" /* last assigned uid */ #define MDUIDTEMP ".uidtemp" /* We assign uid's no one else */ /* Support of Courier Structure */ #define CCLIENT 0 #define COURIER 1 #define IS_CCLIENT(t) \ (((t) && (t)[0] == '#' && ((t)[1] == 'm' || (t)[1] == 'M')\ && ((t)[2] == 'd' || (t)[2] == 'D')\ && (t)[3] == '/' && (t)[4] != '\0') ? 1 : 0) #define IS_COURIER(t) \ (((t) && (t)[0] == '#' && ((t)[1] == 'm' || (t)[1] == 'M')\ && ((t)[2] == 'c' || (t)[2] == 'C')\ && (t)[3] == '/' && (t)[4] != '\0') ? 1 : 0) #define MDPREFIX(s) ((s) ? "#mc/" : "#md/") #define MDSEPARATOR(s) ((s) ? '.' : '/') /* UID Support */ #define MAXTEMPUID (unsigned long) 180L const char mduid[] = {',','u','=','\0'}; #define MDUIDSEP mduid /* Now we deal with messages filenames */ char mdlocaldomain[MAILTMPLEN+1] = {'\0'}; pid_t mypid = (pid_t) 0; static char *mdfpath = NULL; static char myMdInboxDir[50] = { '\0' };/* Location of the Maildir INBOX */ static long CourierStyle = CCLIENT; #define CHUNK 16384 /* from unix.h */ typedef struct courier_local { char *name; /* name of directory/folder */ int attribute; /* attributes (children/marked/etc) */ } COURIERLOCAL; typedef struct courier { char *path; /* Path to collection */ time_t scantime; /* time at which information was generated */ int total; /* total number of elements in data */ COURIERLOCAL **data; } COURIER_S; /* In gdb this is the *(struct maildir_local *)stream->local structure */ typedef struct maildir_local { unsigned int dirty : 1; /* diskcopy needs updating */ unsigned int courier : 1; /* It is Courier style file system */ unsigned int link : 1; /* There is a symbolic link */ int candouid; /* we can assign uids and no one else */ char *uidtempfile; /* path to uid temp file */ int fd; /* fd of open message */ char *dir; /* mail directory name */ char **path; /* path to directories cur, new and tmp */ unsigned char *buf; /* temporary buffer */ unsigned long buflen; /* current size of temporary buffer */ time_t scantime; /* last time directory scanned */ } MAILDIRLOCAL; /* Convenient access to local data */ #define LOCAL ((MAILDIRLOCAL *) stream->local) typedef struct maildir_file_info { char *name; /* name of the file */ DirNamesType loc; /* location of this file */ unsigned long pos; /* place in list where this file is listed */ off_t size; /* size in bytes, on disk */ time_t atime; /* last access time */ time_t mtime; /* last modified time */ time_t ctime; /* last changed time */ } MAILDIRFILE; #define MDFILE(F) (((MAILDIRFILE *)((F)->private.spare.ptr))->name) #define MDLOC(F) (((MAILDIRFILE *)((F)->private.spare.ptr))->loc) #define MDPOS(F) (((MAILDIRFILE *)((F)->private.spare.ptr))->pos) #define MDSIZE(F) (((MAILDIRFILE *)((F)->private.spare.ptr))->size) #define MDATIME(F) (((MAILDIRFILE *)((F)->private.spare.ptr))->atime) #define MDMTIME(F) (((MAILDIRFILE *)((F)->private.spare.ptr))->mtime) #define MDCTIME(F) (((MAILDIRFILE *)((F)->private.spare.ptr))->ctime) /* Function prototypes */ DRIVER *maildir_valid (char *name); MAILSTREAM *maildir_open (MAILSTREAM *stream); void maildir_close (MAILSTREAM *stream, long options); long maildir_ping (MAILSTREAM *stream); void maildir_check (MAILSTREAM *stream); long maildir_text (MAILSTREAM *stream,unsigned long msgno,STRING *bs,long flags); char *maildir_header (MAILSTREAM *stream,unsigned long msgno, unsigned long *length, long flags); void maildir_list (MAILSTREAM *stream,char *ref,char *pat); void *maildir_parameters (long function,void *value); int maildir_create_folder (char *mailbox); long maildir_create (MAILSTREAM *stream,char *mailbox); void maildir_flagmsg (MAILSTREAM *stream,MESSAGECACHE *elt); /*check */ long maildir_expunge (MAILSTREAM *stream, char *sequence, long options); long maildir_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options); long maildir_append (MAILSTREAM *stream,char *mailbox, append_t af, void *data); long maildir_delete (MAILSTREAM *stream,char *mailbox); long maildir_rename (MAILSTREAM *stream,char *old,char *new); long maildir_sub (MAILSTREAM *stream,char *mailbox); long maildir_unsub (MAILSTREAM *stream,char *mailbox); void maildir_lsub (MAILSTREAM *stream,char *ref,char *pat); void courier_list (MAILSTREAM *stream,char *ref, char *pat); /* utility functions */ void courier_realname (char *name, char *realname); long maildir_dirfmttest (char *name); char *maildir_file (char *dst,char *name); int maildir_select (const struct direct *name); int maildir_namesort (const struct direct **d1, const struct direct **d2); unsigned long antoul (char *seed); unsigned long mdfntoul (char *name); int courier_dir_select (const struct direct *name); int courier_dir_sort (const struct direct **d1, const struct direct **d2); long maildir_canonicalize (char *pattern,char *ref,char *pat); void maildir_list_work (MAILSTREAM *stream,char *subdir,char *pat,long level); void courier_list_work (MAILSTREAM *stream,char *subdir,char *pat,long level); int maildir_file_path(char *name, char *tmp, size_t sizeoftmp); int maildir_valid_name (char *name); int maildir_valid_dir (char *name); int is_valid_maildir (char **name); int maildir_message_exists(MAILSTREAM *stream,char *name, char *tmp); char *maildir_remove_root(char *name); char *maildir_text_work (MAILSTREAM *stream,MESSAGECACHE *elt, unsigned long *length,long flags); unsigned long maildir_parse_message(MAILSTREAM *stream, unsigned long msgno, DirNamesType dirtype); int maildir_eliminate_duplicate (char *name, struct direct ***flist, unsigned long *nfiles); int maildir_doscandir (char *name, struct direct ***flist, int flag); unsigned long maildir_scandir (char *name, struct direct ***flist, unsigned long *nfiles, int *scand, int flag); void maildir_parse_folder (MAILSTREAM *stream, int full); void md_domain_name (void); char *myrootdir (char *name); char *mdirpath (void); int maildir_initial_check (MAILSTREAM *stream, DirNamesType dirtype); unsigned long maildir_parse_dir(MAILSTREAM *stream, unsigned long nmsgs, DirNamesType dirtype, struct direct **names, unsigned long nfiles, int full); int same_maildir_file(char *name1, char *name2); int comp_maildir_file(char *name1, char *name2); int maildir_message_in_list(char *msgname, struct direct **names, unsigned long bottom, unsigned long top, unsigned long *pos); void maildir_getflag(char *name, int *d, int *f, int *r ,int *s, int *t); int maildir_update_elt_maildirp(MAILSTREAM *stream, unsigned long msgno); void maildir_abort (MAILSTREAM *stream); int maildir_contains_folder(char *dirname, char *name); int maildir_is_dir(char *dirname, char *name); int maildir_dir_is_empty(char *mailbox); int maildir_create_work (char *mailbox, int loop); void maildir_get_file (MAILDIRFILE **mdfile); void maildir_free_file (void **mdfile); void maildir_free_file_only (void **mdfile); int maildir_any_new_msgs(char *mailbox); void maildir_get_date(MAILSTREAM *stream, unsigned long msgno); void maildir_fast (MAILSTREAM *stream,char *sequence,long flags); /* Courier server support */ void courier_free_cdir (COURIER_S **cdir); COURIER_S *courier_get_cdir (int total); int courier_search_list(COURIERLOCAL **data, char *name, int first, int last); COURIER_S *courier_list_dir(char *curdir); void courier_list_info(COURIER_S **cdirp, char *data, int i); /* UID Support */ int maildir_can_assign_uid (MAILSTREAM *stream); void maildir_read_uid(MAILSTREAM *stream, unsigned long *uid_last, unsigned long *uid_validity); void maildir_write_uid(MAILSTREAM *stream, unsigned long uid_last, unsigned long uid_validity); unsigned long maildir_get_uid(char *name); void maildir_delete_uid(MAILSTREAM *stream, unsigned long msgno); void maildir_assign_uid(MAILSTREAM *stream, unsigned long msgno, unsigned long uid); void maildir_uid_renew_tempfile(MAILSTREAM *stream);