1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
/* Copyright 1993-95 by Carl Harris, Jr. Copyright 1996 by Eric S. Raymond
* All rights reserved.
* For license terms, see the file COPYING in this directory.
*/
/***********************************************************************
module: fetchmail.h
project: fetchmail
programmer: Carl Harris, ceharris@mal.com
description: global constant, type, and variable definitions.
***********************************************************************/
/* constants designating the various supported protocols */
#define P_AUTO 0
#define P_POP2 2
#define P_POP3 3
#define P_IMAP 4
#define P_APOP 5
#define P_RPOP 6
/* definitions for buffer sizes -- somewhat arbitrary */
#define POPBUFSIZE 512 /* per RFC 937 */
#define MSGBUFSIZE 2048 /* size of message read buffer */
#define HOSTLEN 128 /* max hostname length */
#define USERNAMELEN 32 /* max user-length */
#define PASSWORDLEN MAX_PASSWORD_LENGTH
#define FOLDERLEN 256 /* max folder name length */
#define DIGESTLEN 33 /* length of MD5 digest */
#define MDALEN 256 /* length of delivery agent command */
#define IDLEN 128 /* length of UIDL message ID */
/* exit code values */
#define PS_SUCCESS 0 /* successful receipt of messages */
#define PS_NOMAIL 1 /* no mail available */
#define PS_SOCKET 2 /* socket I/O woes */
#define PS_AUTHFAIL 3 /* user authorization failed */
#define PS_PROTOCOL 4 /* protocol violation */
#define PS_SYNTAX 5 /* command-line syntax error */
#define PS_IOERR 6 /* local folder I/O woes */
#define PS_ERROR 7 /* some kind of POP3 error condition */
#define PS_EXCLUDE 8 /* exclusion error */
#define PS_SMTP 9 /* SMTP error */
#define PS_UNDEFINED 10 /* something I hadn't thought of */
/* output noise level */
#define O_SILENT 0 /* mute, max squelch, etc. */
#define O_NORMAL 1 /* user-friendly */
#define O_VERBOSE 2 /* excessive */
/* output sink type */
#define TO_SMTP 1 /* use SMTP forwarding */
#define TO_FOLDER 2 /* use a mailbox */
#define TO_STDOUT 3 /* use stdout */
#define TO_MDA 4 /* use agent */
#define SIZETICKER 1024 /* print 1 dot per this many bytes */
struct idlist
{
int num;
char *id;
struct idlist *next;
};
struct hostrec
{
/* per-host data */
char servername [HOSTLEN+1];
char localname [USERNAMELEN+1];
char remotename [USERNAMELEN+1];
char password [PASSWORDLEN+1];
char userfolder [FOLDERLEN+1];
char remotefolder [FOLDERLEN];
char smtphost[HOSTLEN+1];
char mda [MDALEN+1];
int protocol;
int port;
/* control flags */
int output;
int keep;
int fetchall;
int flush;
int norewrite;
int skip;
/* previous state of mailbox (initially from .fetchids) */
struct idlist *saved;
/* internal use */
struct hostrec *next; /* next host in chain */
struct idlist *mailbox; /* current state of mailbox */
#if defined(HAVE_APOP_SUPPORT)
char digest [DIGESTLEN];
#endif
};
struct method
{
char *name; /* protocol name */
int port; /* service port */
int tagged; /* if true, generate & expect command tags */
int delimited; /* if true, accept "." message delimiter */
int (*parse_response)(); /* response_parsing function */
int (*getauth)(); /* authorization fetcher */
int (*getrange)(); /* get message range to fetch */
int (*is_old)(); /* check for old message */
int (*fetch)(); /* fetch a given message */
int (*trail)(); /* eat trailer of a message */
int (*delete)(); /* delete method */
char *expunge_cmd; /* expunge command */
char *exit_cmd; /* exit command */
};
#define TAGLEN 6
extern char tag[TAGLEN];
/* controls the detail level of status/progress messages written to stderr */
extern int outlevel; /* see the O_.* constants above */
extern int yydebug; /* enable parse debugging */
/* daemon mode control */
extern int poll_interval; /* poll interval in seconds */
extern char *logfile; /* log file for daemon mode */
extern int quitmode; /* if --quit was set */
/* miscellaneous global controls */
extern char *rcfile; /* path name of rc file */
extern char *idfile; /* path name of id file */
extern int linelimit; /* limit # lines retrieved per site */
extern int versioninfo; /* emit only version info */
#ifdef HAVE_PROTOTYPES
/* prototypes for globally callable functions */
void gen_send ();
int gen_transact ();
int doPOP2 (struct hostrec *);
int doPOP3 (struct hostrec *);
int doIMAP (struct hostrec *);
void initialize_saved_lists(struct hostrec *, char *);
void save_uid(struct idlist **, int, char *);
void free_uid_list(struct idlist **);
int delete_uid(struct idlist **, char *);
int uid_in_list(struct idlist **, char *);
void update_uid_lists(struct hostrec *);
void write_saved_lists(struct hostrec *, char *);
int parsecmdline (int, char **, struct hostrec *);
int setdefaults (struct hostrec *);
char *getnextserver (int argc, char **, int *);
int openuserfolder (struct hostrec *);
int closeuserfolder (int);
int openmailpipe (struct hostrec *);
int closemailpipe (int);
char *MD5Digest (char *);
void append_server_names(int *, char **, int);
int daemonize(const char *, void (*)(int));
#else
char *getnextserver();
char *MD5Digest ();
void append_server_names ();
int daemonize ();
#endif
|
