1/*++
2/* NAME
3/*	cleanup_state 3
4/* SUMMARY
5/*	per-message state variables
6/* SYNOPSIS
7/*	#include "cleanup.h"
8/*
9/*	CLEANUP_STATE *cleanup_state_alloc(src)
10/*	VSTREAM	*src;
11/*
12/*	void	cleanup_state_free(state)
13/*	CLEANUP_STATE *state;
14/* DESCRIPTION
15/*	This module maintains about two dozen state variables
16/*	that are used by many routines in the course of processing one
17/*	message.
18/*
19/*	cleanup_state_alloc() initializes the per-message state variables.
20/*
21/*	cleanup_state_free() cleans up.
22/* LICENSE
23/* .ad
24/* .fi
25/*	The Secure Mailer license must be distributed with this software.
26/* AUTHOR(S)
27/*	Wietse Venema
28/*	IBM T.J. Watson Research
29/*	P.O. Box 704
30/*	Yorktown Heights, NY 10598, USA
31/*--*/
32
33/* System library. */
34
35#include <sys_defs.h>
36
37/* Utility library. */
38
39#include <mymalloc.h>
40#include <vstring.h>
41#include <htable.h>
42
43/* Global library. */
44
45#include <been_here.h>
46#include <mail_params.h>
47#include <mime_state.h>
48#include <mail_proto.h>
49
50/* Milter library. */
51
52#include <milter.h>
53
54/* Application-specific. */
55
56#include "cleanup.h"
57
58/* cleanup_state_alloc - initialize global state */
59
60CLEANUP_STATE *cleanup_state_alloc(VSTREAM *src)
61{
62    CLEANUP_STATE *state = (CLEANUP_STATE *) mymalloc(sizeof(*state));
63
64    state->attr_buf = vstring_alloc(10);
65    state->temp1 = vstring_alloc(10);
66    state->temp2 = vstring_alloc(10);
67    if (cleanup_strip_chars)
68	state->stripped_buf = vstring_alloc(10);
69    state->src = src;
70    state->dst = 0;
71    state->handle = 0;
72    state->queue_name = 0;
73    state->queue_id = 0;
74    state->arrival_time.tv_sec = state->arrival_time.tv_usec = 0;
75    state->fullname = 0;
76    state->sender = 0;
77    state->recip = 0;
78    state->orig_rcpt = 0;
79    state->return_receipt = 0;
80    state->errors_to = 0;
81    state->flags = 0;
82    state->qmgr_opts = 0;
83    state->errs = 0;
84    state->err_mask = 0;
85    state->headers_seen = 0;
86    state->hop_count = 0;
87    state->resent = "";
88    state->dups = been_here_init(var_dup_filter_limit, BH_FLAG_FOLD);
89    state->action = cleanup_envelope;
90    state->data_offset = -1;
91    state->body_offset = -1;
92    state->xtra_offset = -1;
93    state->cont_length = 0;
94    state->sender_pt_offset = -1;
95    state->sender_pt_target = -1;
96    state->append_rcpt_pt_offset = -1;
97    state->append_rcpt_pt_target = -1;
98    state->append_hdr_pt_offset = -1;
99    state->append_hdr_pt_target = -1;
100    state->append_meta_pt_offset = -1;
101    state->append_meta_pt_target = -1;
102    state->milter_hbc_checks = 0;
103    state->milter_hbc_reply = 0;
104    state->milter_orcpt_buf = 0;
105    state->rcpt_count = 0;
106    state->reason = 0;
107    state->smtp_reply = 0;
108    state->attr = nvtable_create(10);
109    nvtable_update(state->attr, MAIL_ATTR_LOG_ORIGIN, MAIL_ATTR_ORG_LOCAL);
110    state->mime_state = 0;
111    state->mime_errs = 0;
112    state->hdr_rewrite_context = MAIL_ATTR_RWR_LOCAL;
113    state->filter = 0;
114    state->redirect = 0;
115    state->dsn_envid = 0;
116    state->dsn_ret = 0;
117    state->dsn_notify = 0;
118    state->dsn_orcpt = 0;
119    state->verp_delims = 0;
120    state->milters = 0;
121    state->client_name = 0;
122    state->reverse_name = 0;
123    state->client_addr = 0;
124    state->client_af = 0;
125    state->client_port = 0;
126    state->milter_ext_from = 0;
127    state->milter_ext_rcpt = 0;
128    state->milter_err_text = 0;
129    state->free_regions = state->body_regions = state->curr_body_region = 0;
130    return (state);
131}
132
133/* cleanup_state_free - destroy global state */
134
135void    cleanup_state_free(CLEANUP_STATE *state)
136{
137    vstring_free(state->attr_buf);
138    vstring_free(state->temp1);
139    vstring_free(state->temp2);
140    if (cleanup_strip_chars)
141	vstring_free(state->stripped_buf);
142    if (state->fullname)
143	myfree(state->fullname);
144    if (state->sender)
145	myfree(state->sender);
146    if (state->recip)
147	myfree(state->recip);
148    if (state->orig_rcpt)
149	myfree(state->orig_rcpt);
150    if (state->return_receipt)
151	myfree(state->return_receipt);
152    if (state->errors_to)
153	myfree(state->errors_to);
154    if (state->queue_name)
155	myfree(state->queue_name);
156    if (state->queue_id)
157	myfree(state->queue_id);
158    been_here_free(state->dups);
159    if (state->reason)
160	myfree(state->reason);
161    if (state->smtp_reply)
162	myfree(state->smtp_reply);
163    if (state->milter_orcpt_buf)
164	vstring_free(state->milter_orcpt_buf);
165    nvtable_free(state->attr);
166    if (state->mime_state)
167	mime_state_free(state->mime_state);
168    if (state->filter)
169	myfree(state->filter);
170    if (state->redirect)
171	myfree(state->redirect);
172    if (state->dsn_envid)
173	myfree(state->dsn_envid);
174    if (state->dsn_orcpt)
175	myfree(state->dsn_orcpt);
176    if (state->verp_delims)
177	myfree(state->verp_delims);
178    if (state->milters)
179	milter_free(state->milters);
180    if (state->milter_ext_from)
181	vstring_free(state->milter_ext_from);
182    if (state->milter_ext_rcpt)
183	vstring_free(state->milter_ext_rcpt);
184    if (state->milter_err_text)
185	vstring_free(state->milter_err_text);
186    cleanup_region_done(state);
187    myfree((char *) state);
188}
189