1/*	$NetBSD$	*/
2
3/*++
4/* NAME
5/*	cleanup_state 3
6/* SUMMARY
7/*	per-message state variables
8/* SYNOPSIS
9/*	#include "cleanup.h"
10/*
11/*	CLEANUP_STATE *cleanup_state_alloc(src)
12/*	VSTREAM	*src;
13/*
14/*	void	cleanup_state_free(state)
15/*	CLEANUP_STATE *state;
16/* DESCRIPTION
17/*	This module maintains about two dozen state variables
18/*	that are used by many routines in the course of processing one
19/*	message.
20/*
21/*	cleanup_state_alloc() initializes the per-message state variables.
22/*
23/*	cleanup_state_free() cleans up.
24/* LICENSE
25/* .ad
26/* .fi
27/*	The Secure Mailer license must be distributed with this software.
28/* AUTHOR(S)
29/*	Wietse Venema
30/*	IBM T.J. Watson Research
31/*	P.O. Box 704
32/*	Yorktown Heights, NY 10598, USA
33/*--*/
34
35/* System library. */
36
37#include <sys_defs.h>
38
39/* Utility library. */
40
41#include <mymalloc.h>
42#include <vstring.h>
43#include <htable.h>
44
45/* Global library. */
46
47#include <been_here.h>
48#include <mail_params.h>
49#include <mime_state.h>
50#include <mail_proto.h>
51
52/* Milter library. */
53
54#include <milter.h>
55
56/* Application-specific. */
57
58#include "cleanup.h"
59
60/* cleanup_state_alloc - initialize global state */
61
62CLEANUP_STATE *cleanup_state_alloc(VSTREAM *src)
63{
64    CLEANUP_STATE *state = (CLEANUP_STATE *) mymalloc(sizeof(*state));
65
66    state->attr_buf = vstring_alloc(10);
67    state->temp1 = vstring_alloc(10);
68    state->temp2 = vstring_alloc(10);
69    if (cleanup_strip_chars)
70	state->stripped_buf = vstring_alloc(10);
71    state->src = src;
72    state->dst = 0;
73    state->handle = 0;
74    state->queue_name = 0;
75    state->queue_id = 0;
76    state->arrival_time.tv_sec = state->arrival_time.tv_usec = 0;
77    state->fullname = 0;
78    state->sender = 0;
79    state->recip = 0;
80    state->orig_rcpt = 0;
81    state->return_receipt = 0;
82    state->errors_to = 0;
83    state->flags = 0;
84    state->qmgr_opts = 0;
85    state->errs = 0;
86    state->err_mask = 0;
87    state->headers_seen = 0;
88    state->hop_count = 0;
89    state->resent = "";
90    state->dups = been_here_init(var_dup_filter_limit, BH_FLAG_FOLD);
91    state->action = cleanup_envelope;
92    state->data_offset = -1;
93    state->body_offset = -1;
94    state->xtra_offset = -1;
95    state->cont_length = 0;
96    state->sender_pt_offset = -1;
97    state->sender_pt_target = -1;
98    state->append_rcpt_pt_offset = -1;
99    state->append_rcpt_pt_target = -1;
100    state->append_hdr_pt_offset = -1;
101    state->append_hdr_pt_target = -1;
102    state->append_meta_pt_offset = -1;
103    state->append_meta_pt_target = -1;
104    state->milter_hbc_checks = 0;
105    state->milter_hbc_reply = 0;
106    state->rcpt_count = 0;
107    state->reason = 0;
108    state->smtp_reply = 0;
109    state->attr = nvtable_create(10);
110    nvtable_update(state->attr, MAIL_ATTR_LOG_ORIGIN, MAIL_ATTR_ORG_LOCAL);
111    state->mime_state = 0;
112    state->mime_errs = 0;
113    state->hdr_rewrite_context = MAIL_ATTR_RWR_LOCAL;
114    state->filter = 0;
115    state->redirect = 0;
116    state->dsn_envid = 0;
117    state->dsn_ret = 0;
118    state->dsn_notify = 0;
119    state->dsn_orcpt = 0;
120    state->verp_delims = 0;
121    state->milters = 0;
122    state->client_name = 0;
123    state->reverse_name = 0;
124    state->client_addr = 0;
125    state->client_af = 0;
126    state->client_port = 0;
127    state->milter_ext_from = 0;
128    state->milter_ext_rcpt = 0;
129    state->milter_err_text = 0;
130    state->free_regions = state->body_regions = state->curr_body_region = 0;
131    return (state);
132}
133
134/* cleanup_state_free - destroy global state */
135
136void    cleanup_state_free(CLEANUP_STATE *state)
137{
138    vstring_free(state->attr_buf);
139    vstring_free(state->temp1);
140    vstring_free(state->temp2);
141    if (cleanup_strip_chars)
142	vstring_free(state->stripped_buf);
143    if (state->fullname)
144	myfree(state->fullname);
145    if (state->sender)
146	myfree(state->sender);
147    if (state->recip)
148	myfree(state->recip);
149    if (state->orig_rcpt)
150	myfree(state->orig_rcpt);
151    if (state->return_receipt)
152	myfree(state->return_receipt);
153    if (state->errors_to)
154	myfree(state->errors_to);
155    if (state->queue_name)
156	myfree(state->queue_name);
157    if (state->queue_id)
158	myfree(state->queue_id);
159    been_here_free(state->dups);
160    if (state->reason)
161	myfree(state->reason);
162    if (state->smtp_reply)
163	myfree(state->smtp_reply);
164    nvtable_free(state->attr);
165    if (state->mime_state)
166	mime_state_free(state->mime_state);
167    if (state->filter)
168	myfree(state->filter);
169    if (state->redirect)
170	myfree(state->redirect);
171    if (state->dsn_envid)
172	myfree(state->dsn_envid);
173    if (state->dsn_orcpt)
174	myfree(state->dsn_orcpt);
175    if (state->verp_delims)
176	myfree(state->verp_delims);
177    if (state->milters)
178	milter_free(state->milters);
179    if (state->milter_ext_from)
180	vstring_free(state->milter_ext_from);
181    if (state->milter_ext_rcpt)
182	vstring_free(state->milter_ext_rcpt);
183    if (state->milter_err_text)
184	vstring_free(state->milter_err_text);
185    cleanup_region_done(state);
186    myfree((char *) state);
187}
188