1 |
|
|
/* $OpenBSD: mailaddr.c,v 1.2 2015/12/28 22:08:30 jung Exp $ */ |
2 |
|
|
|
3 |
|
|
/* |
4 |
|
|
* Copyright (c) 2015 Gilles Chehade <gilles@poolp.org> |
5 |
|
|
* |
6 |
|
|
* Permission to use, copy, modify, and distribute this software for any |
7 |
|
|
* purpose with or without fee is hereby granted, provided that the above |
8 |
|
|
* copyright notice and this permission notice appear in all copies. |
9 |
|
|
* |
10 |
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
11 |
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
12 |
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
13 |
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
14 |
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
15 |
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
16 |
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
17 |
|
|
*/ |
18 |
|
|
|
19 |
|
|
#include <sys/types.h> |
20 |
|
|
#include <sys/queue.h> |
21 |
|
|
#include <sys/tree.h> |
22 |
|
|
#include <sys/socket.h> |
23 |
|
|
|
24 |
|
|
#include <ctype.h> |
25 |
|
|
#include <event.h> |
26 |
|
|
#include <imsg.h> |
27 |
|
|
#include <stdio.h> |
28 |
|
|
#include <limits.h> |
29 |
|
|
#include <stdlib.h> |
30 |
|
|
#include <string.h> |
31 |
|
|
|
32 |
|
|
#include "smtpd.h" |
33 |
|
|
#include "log.h" |
34 |
|
|
|
35 |
|
|
static int |
36 |
|
|
mailaddr_line_split(char **line, char **ret) |
37 |
|
|
{ |
38 |
|
|
static char buffer[LINE_MAX]; |
39 |
|
|
int esc, dq, sq; |
40 |
|
|
size_t i; |
41 |
|
|
char *s; |
42 |
|
|
|
43 |
|
|
memset(buffer, 0, sizeof buffer); |
44 |
|
|
esc = dq = sq = 0; |
45 |
|
|
i = 0; |
46 |
|
|
for (s = *line; (*s) && (i < sizeof(buffer)); ++s) { |
47 |
|
|
if (esc) { |
48 |
|
|
buffer[i++] = *s; |
49 |
|
|
esc = 0; |
50 |
|
|
continue; |
51 |
|
|
} |
52 |
|
|
if (*s == '\\') { |
53 |
|
|
esc = 1; |
54 |
|
|
continue; |
55 |
|
|
} |
56 |
|
|
if (*s == ',' && !dq && !sq) { |
57 |
|
|
*ret = buffer; |
58 |
|
|
*line = s+1; |
59 |
|
|
return (1); |
60 |
|
|
} |
61 |
|
|
|
62 |
|
|
buffer[i++] = *s; |
63 |
|
|
esc = 0; |
64 |
|
|
|
65 |
|
|
if (*s == '"' && !sq) |
66 |
|
|
dq ^= 1; |
67 |
|
|
if (*s == '\'' && !dq) |
68 |
|
|
sq ^= 1; |
69 |
|
|
} |
70 |
|
|
|
71 |
|
|
if (esc || dq || sq || i == sizeof(buffer)) |
72 |
|
|
return (-1); |
73 |
|
|
|
74 |
|
|
*ret = buffer; |
75 |
|
|
*line = s; |
76 |
|
|
return (i ? 1 : 0); |
77 |
|
|
} |
78 |
|
|
|
79 |
|
|
int |
80 |
|
|
mailaddr_line(struct maddrmap *maddrmap, const char *s) |
81 |
|
|
{ |
82 |
|
|
struct maddrnode mn; |
83 |
|
|
char buffer[LINE_MAX]; |
84 |
|
|
char *p, *subrcpt; |
85 |
|
|
int ret; |
86 |
|
|
|
87 |
|
|
memset(buffer, 0, sizeof buffer); |
88 |
|
|
if (strlcpy(buffer, s, sizeof buffer) >= sizeof buffer) |
89 |
|
|
return 0; |
90 |
|
|
|
91 |
|
|
p = buffer; |
92 |
|
|
while ((ret = mailaddr_line_split(&p, &subrcpt)) > 0) { |
93 |
|
|
subrcpt = strip(subrcpt); |
94 |
|
|
if (subrcpt[0] == '\0') |
95 |
|
|
continue; |
96 |
|
|
if (!text_to_mailaddr(&mn.mailaddr, subrcpt)) |
97 |
|
|
return 0; |
98 |
|
|
log_debug("subrcpt: [%s]", subrcpt); |
99 |
|
|
maddrmap_insert(maddrmap, &mn); |
100 |
|
|
} |
101 |
|
|
|
102 |
|
|
if (ret >= 0) |
103 |
|
|
return 1; |
104 |
|
|
/* expand_line_split() returned < 0 */ |
105 |
|
|
return 0; |
106 |
|
|
} |
107 |
|
|
|
108 |
|
|
void |
109 |
|
|
maddrmap_init(struct maddrmap *maddrmap) |
110 |
|
|
{ |
111 |
|
|
TAILQ_INIT(&maddrmap->queue); |
112 |
|
|
} |
113 |
|
|
|
114 |
|
|
void |
115 |
|
|
maddrmap_insert(struct maddrmap *maddrmap, struct maddrnode *maddrnode) |
116 |
|
|
{ |
117 |
|
|
struct maddrnode *mn; |
118 |
|
|
|
119 |
|
|
mn = xmemdup(maddrnode, sizeof *maddrnode, "maddrmap_insert"); |
120 |
|
|
TAILQ_INSERT_TAIL(&maddrmap->queue, mn, entries); |
121 |
|
|
} |
122 |
|
|
|
123 |
|
|
void |
124 |
|
|
maddrmap_free(struct maddrmap *maddrmap) |
125 |
|
|
{ |
126 |
|
|
struct maddrnode *mn; |
127 |
|
|
|
128 |
|
|
while ((mn = TAILQ_FIRST(&maddrmap->queue))) { |
129 |
|
|
TAILQ_REMOVE(&maddrmap->queue, mn, entries); |
130 |
|
|
free(mn); |
131 |
|
|
} |
132 |
|
|
free(maddrmap); |
133 |
|
|
} |