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
|
/* $Cambridge: exim/src/src/local_scan.h,v 1.2 2004/12/16 15:11:47 tom Exp $ */
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
/* Copyright (c) University of Cambridge 1995 - 2004 */
/* See the file NOTICE for conditions of use and distribution. */
/* This file is the header that is the only Exim header to be included in the
source for the local_scan.c() function. It contains definitions that are made
available for use in that function, and which are documented. */
/* Some basic types that make some things easier, and the store functions. */
#include <sys/types.h>
#include "mytypes.h"
#include "store.h"
/* The function and its return codes. */
extern int local_scan(int, uschar **);
enum {
LOCAL_SCAN_ACCEPT, /* Accept */
LOCAL_SCAN_ACCEPT_FREEZE, /* Accept, but freeze */
LOCAL_SCAN_ACCEPT_QUEUE, /* Accept, but no immediate delivery */
LOCAL_SCAN_REJECT, /* Permanent rejection */
LOCAL_SCAN_REJECT_NOLOGHDR, /* Permanent rejection, no log header */
LOCAL_SCAN_TEMPREJECT, /* Temporary rejection */
LOCAL_SCAN_TEMPREJECT_NOLOGHDR /* Temporary rejection, no log header */
};
/* Return codes from the support functions lss_match_xxx(). */
#define OK 0 /* Successful match */
#define DEFER 1 /* Defer - some problem */
#define FAIL 2 /* Matching failed */
#define ERROR 3 /* Internal or config error */
/* Available logging destinations */
#define LOG_MAIN 1 /* Write to the main log */
#define LOG_PANIC 2 /* Write to the panic log */
#define LOG_REJECT 16 /* Write to the reject log, with headers */
/* Accessible debugging bits */
#define D_v 0x00000001
#define D_local_scan 0x00000002
/* Option types that can be used for local_scan_options. The boolean ones
MUST be last so that they are contiguous with the internal boolean specials. */
enum { opt_stringptr, opt_int, opt_octint, opt_mkint, opt_Kint, opt_fixed,
opt_time, opt_bool };
/* The length of message identification strings. This is the id used internally
by exim. The external version for use in Received: strings has a leading 'E'
added to ensure it starts with a letter. */
#define MESSAGE_ID_LENGTH 16
/* The offset to the start of the data in the data file - this allows for
the name of the data file to be present in the first line. */
#define SPOOL_DATA_START_OFFSET (MESSAGE_ID_LENGTH+3)
/* Some people (Marc Merlin et al) are maintaining a patch that allows for
dynamic local_scan() libraries. This code is not yet in Exim proper, but it
helps the maintainers if we keep their ABI version numbers here. This may
mutate into more general support later. The major number is increased when the
ABI is changed in a non backward compatible way. The minor number is increased
each time a new feature is added (in a way that doesn't break backward
compatibility). */
#define LOCAL_SCAN_ABI_VERSION_MAJOR 1
#define LOCAL_SCAN_ABI_VERSION_MINOR 0
/* Structure definitions that are documented as visible in the function. */
typedef struct header_line {
struct header_line *next;
int type;
int slen;
uschar *text;
} header_line;
/* Entries in lists options are in this form. */
typedef struct {
char *name;
int type;
void *value;
} optionlist;
/*Structure for holding information about an envelope address. The errors_to
field is always NULL except for one_time aliases that had errors_to on the
routers that generated them. */
typedef struct recipient_item {
uschar *address; /* the recipient address */
int pno; /* parent number for "one_time" alias, or -1 */
uschar *errors_to; /* the errors_to address or NULL */
#ifdef EXPERIMENTAL_BRIGHTMAIL
uschar *bmi_optin;
#endif
} recipient_item;
/* Global variables that are documented as visible in the function. */
extern unsigned int debug_selector; /* Debugging bits */
extern uschar *expand_string_message; /* Error info for failing expansion */
extern uschar *headers_charset; /* Charset for RFC 2047 decoding */
extern header_line *header_last; /* Final header */
extern header_line *header_list; /* First header */
extern BOOL host_checking; /* Set when checking a host */
extern uschar *interface_address; /* Interface for incoming call */
extern int interface_port; /* Port number for incoming call */
extern uschar *message_id; /* Internal id of message being handled */
extern uschar *received_protocol; /* Name of incoming protocol */
extern int recipients_count; /* Number of recipients */
extern recipient_item *recipients_list;/* List of recipient addresses */
extern unsigned char *sender_address; /* Sender address */
extern uschar *sender_host_address; /* IP address of sender, as chars */
extern uschar *sender_host_authenticated; /* Name of authentication mechanism */
extern uschar *sender_host_name; /* Host name from lookup */
extern int sender_host_port; /* Port number of sender */
extern BOOL smtp_batched_input; /* TRUE if SMTP batch (no interaction) */
extern BOOL smtp_input; /* TRUE if input is via SMTP */
/* Functions that are documented as visible in local_scan(). */
extern int child_close(pid_t, int);
extern pid_t child_open(uschar **, uschar **, int, int *, int *, BOOL);
extern pid_t child_open_exim(int *);
extern void debug_printf(char *, ...) PRINTF_FUNCTION;
extern uschar *expand_string(uschar *);
extern void header_add(int, char *, ...);
extern void header_add_at_position(BOOL, uschar *, BOOL, int, char *, ...);
extern void header_remove(int, uschar *);
extern BOOL header_testname(header_line *, uschar *, int, BOOL);
extern BOOL header_testname_incomplete(header_line *, uschar *, int, BOOL);
extern void log_write(unsigned int, int, char *format, ...);
extern int lss_b64decode(uschar *, uschar **);
extern uschar *lss_b64encode(uschar *, int);
extern int lss_match_domain(uschar *, uschar *);
extern int lss_match_local_part(uschar *, uschar *, BOOL);
extern int lss_match_address(uschar *, uschar *, BOOL);
extern int lss_match_host(uschar *, uschar *, uschar *);
extern void receive_add_recipient(uschar *, int);
extern BOOL receive_remove_recipient(uschar *);
extern uschar *rfc2047_decode(uschar *, BOOL, uschar *, int, int *, uschar **);
extern int smtp_fflush(void);
extern void smtp_printf(char *, ...) PRINTF_FUNCTION;
extern uschar *string_copy(uschar *);
extern uschar *string_copyn(uschar *, int);
extern uschar *string_sprintf(char *, ...);
/* End of local_scan.h */
|
