1 |
lefcha |
1.1 |
#include <stdio.h> |
2 |
lefcha |
1.3 |
#include <stdlib.h> |
3 |
lefcha |
1.1 |
#include <string.h> |
4 |
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#include <ctype.h> |
5 |
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#include <limits.h> |
6 |
lefcha |
1.11 |
#include <sys/types.h> /* For POSIX.1-2001 non-conformant systems. */ |
7 |
lefcha |
1.4 |
#include <regex.h> |
8 |
lefcha |
1.1 |
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9 |
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#include "config.h" |
10 |
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#include "imapfilter.h" |
11 |
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#include "account.h" |
12 |
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#include "struct.h" |
13 |
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14 |
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15 |
lefcha |
1.9 |
extern options_t opts; |
16 |
lefcha |
1.1 |
extern unsigned int flags; |
17 |
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18 |
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account_t *accounts = NULL; /* First node of accounts linked list. */ |
19 |
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mboxgrp_t *mboxgrps = NULL; /* First node of mailbox-groups tree. */ |
20 |
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21 |
lefcha |
1.9 |
account_t *curacct = NULL; /* Current account. */ |
22 |
lefcha |
1.1 |
|
23 |
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|
24 |
lefcha |
1.9 |
void init_account(account_t * a); |
25 |
lefcha |
1.1 |
|
26 |
lefcha |
1.9 |
void init_mboxgrp(mboxgrp_t * g); |
27 |
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void process_mboxgrp(mboxgrp_t * g, char *mboxs); |
28 |
lefcha |
1.1 |
|
29 |
lefcha |
1.9 |
void init_mbox(mbox_t * m); |
30 |
lefcha |
1.1 |
mbox_t *set_mbox(char *name); |
31 |
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32 |
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int string_decode(char *str); |
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34 |
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35 |
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/* |
36 |
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* Set new account's variables to safe values. |
37 |
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*/ |
38 |
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void |
39 |
lefcha |
1.9 |
init_account(account_t * a) |
40 |
lefcha |
1.1 |
{ |
41 |
lefcha |
1.10 |
|
42 |
lefcha |
1.9 |
a->next = NULL; |
43 |
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a->key[0] = '\0'; |
44 |
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a->server[0] = '\0'; |
45 |
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a->user[0] = '\0'; |
46 |
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a->pass[0] = '\0'; |
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a->pass_attr = PASS_ATTR_NONE; |
48 |
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a->port = 143; |
49 |
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a->ssl = SSL_DISABLED; |
50 |
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a->mboxes = NULL; |
51 |
lefcha |
1.1 |
} |
52 |
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53 |
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54 |
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/* |
55 |
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* A new account entry was declared. Create it and set it's variables |
56 |
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* accordingly. |
57 |
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*/ |
58 |
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int |
59 |
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set_account(char *line, regmatch_t * m) |
60 |
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{ |
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int n; |
62 |
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char p[6]; |
63 |
lefcha |
1.9 |
account_t *a; |
64 |
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65 |
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a = (account_t *) xmalloc(sizeof(account_t)); |
66 |
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a->pass = (char *)smalloc(PASS_LEN); |
67 |
lefcha |
1.1 |
|
68 |
lefcha |
1.9 |
init_account(a); |
69 |
lefcha |
1.1 |
|
70 |
lefcha |
1.9 |
strncat(a->key, line + m[1].rm_so, min(m[1].rm_eo - m[1].rm_so, |
71 |
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KEY_LEN - 1)); |
72 |
lefcha |
1.1 |
|
73 |
lefcha |
1.9 |
debug("account: '%s'\n", a->key); |
74 |
lefcha |
1.1 |
|
75 |
lefcha |
1.9 |
if (m[3].rm_so != -1) |
76 |
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strncat(a->user, line + m[3].rm_so, |
77 |
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min(m[3].rm_eo - m[3].rm_so, USER_LEN - 1)); |
78 |
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else |
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strncat(a->user, line + m[5].rm_so, |
80 |
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min(m[5].rm_eo - m[5].rm_so, USER_LEN - 1)); |
81 |
lefcha |
1.1 |
|
82 |
lefcha |
1.9 |
if (strchr(a->user, '%')) |
83 |
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if (string_decode(a->user)) |
84 |
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return ERROR_PARSER; |
85 |
lefcha |
1.1 |
|
86 |
lefcha |
1.9 |
debug("username: '%s'\n", a->user); |
87 |
lefcha |
1.1 |
|
88 |
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if (m[4].rm_so != -1) { |
89 |
lefcha |
1.9 |
strncat(a->pass, line + m[4].rm_so, |
90 |
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min(m[4].rm_eo - m[4].rm_so, PASS_LEN - 1)); |
91 |
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if (strchr(a->pass, '%')) |
92 |
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if (string_decode(a->pass)) |
93 |
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return ERROR_PARSER; |
94 |
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a->pass_attr = PASS_ATTR_PLAIN; |
95 |
lefcha |
1.8 |
if (opts.debug == 1) |
96 |
lefcha |
1.9 |
debug("password: *\n"); |
97 |
lefcha |
1.8 |
else |
98 |
lefcha |
1.9 |
debug("password: '%s'\n", a->pass); |
99 |
lefcha |
1.1 |
} else |
100 |
lefcha |
1.9 |
flags |= FLAG_BLANKPASS; |
101 |
lefcha |
1.1 |
|
102 |
lefcha |
1.9 |
strncat(a->server, line + m[6].rm_so, |
103 |
lefcha |
1.1 |
min(m[6].rm_eo - m[6].rm_so, SERVER_LEN - 1)); |
104 |
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105 |
lefcha |
1.9 |
debug("server: '%s'\n", a->server); |
106 |
lefcha |
1.1 |
|
107 |
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if (m[7].rm_so != -1) { |
108 |
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n = min(m[7].rm_eo - m[7].rm_so - 1, 5); |
109 |
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xstrncpy(p, line + m[7].rm_so + 1, n); |
110 |
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p[n] = '\0'; |
111 |
lefcha |
1.9 |
a->port = strtoul(p, NULL, 10); |
112 |
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debug("port: %d\n", a->port); |
113 |
lefcha |
1.1 |
} |
114 |
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if (m[8].rm_so != -1) { |
115 |
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if (m[7].rm_so == -1) |
116 |
lefcha |
1.9 |
a->port = 993; |
117 |
lefcha |
1.1 |
|
118 |
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if (strcasestr(line + m[8].rm_so, "SSL2")) |
119 |
lefcha |
1.9 |
a->ssl = SSL_SSL_V2; |
120 |
lefcha |
1.1 |
else if (strcasestr(line + m[8].rm_so, "SSL3")) |
121 |
lefcha |
1.9 |
a->ssl = SSL_SSL_V3; |
122 |
lefcha |
1.1 |
else |
123 |
lefcha |
1.9 |
a->ssl = SSL_TLS_V1; |
124 |
lefcha |
1.1 |
} |
125 |
lefcha |
1.9 |
APPEND_LINKED_LIST(accounts, a, account); |
126 |
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curacct = a; |
127 |
lefcha |
1.1 |
|
128 |
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return 0; |
129 |
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} |
130 |
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131 |
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132 |
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#ifdef ENCRYPTED_PASSWORDS |
133 |
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/* |
134 |
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* Find accounts without a password (candicates for password encryption). |
135 |
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*/ |
136 |
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char * |
137 |
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find_password(char *user, char *serv) |
138 |
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{ |
139 |
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account_t *a; |
140 |
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141 |
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for (a = accounts; a != NULL; a = a->next) |
142 |
lefcha |
1.9 |
if (a->pass_attr == PASS_ATTR_NONE && |
143 |
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!strcmp(a->server, serv) && |
144 |
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!strcmp(a->user, user)) { |
145 |
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a->pass_attr = PASS_ATTR_CRYPT; |
146 |
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return a->pass; |
147 |
lefcha |
1.1 |
} |
148 |
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return NULL; |
149 |
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} |
150 |
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#endif |
151 |
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152 |
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153 |
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/* |
154 |
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* Set new mailbox-group's variables to safe values. |
155 |
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*/ |
156 |
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void |
157 |
lefcha |
1.9 |
init_mboxgrp(mboxgrp_t * g) |
158 |
lefcha |
1.1 |
{ |
159 |
lefcha |
1.10 |
|
160 |
lefcha |
1.9 |
g->left = g->right = NULL; |
161 |
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g->key[0] = '\0'; |
162 |
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g->mboxes[0] = NULL; |
163 |
lefcha |
1.1 |
} |
164 |
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165 |
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166 |
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/* |
167 |
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* A new mailbox-group entry was declared. Create it and set it's variables |
168 |
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* accordingly. |
169 |
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*/ |
170 |
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int |
171 |
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set_mboxgrp(char *line, regmatch_t * m) |
172 |
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{ |
173 |
lefcha |
1.9 |
mboxgrp_t *g; |
174 |
lefcha |
1.1 |
char mboxs[LINE_MAX]; |
175 |
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176 |
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mboxs[0] = '\0'; |
177 |
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178 |
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if (accounts == NULL) |
179 |
lefcha |
1.9 |
return ERROR_PARSER; |
180 |
lefcha |
1.1 |
|
181 |
lefcha |
1.9 |
g = (mboxgrp_t *) xmalloc(sizeof(mboxgrp_t)); |
182 |
lefcha |
1.1 |
|
183 |
lefcha |
1.9 |
init_mboxgrp(g); |
184 |
lefcha |
1.1 |
|
185 |
lefcha |
1.9 |
strncat(g->key, line + m[1].rm_so, min(m[1].rm_eo - m[1].rm_so, |
186 |
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KEY_LEN - 1)); |
187 |
lefcha |
1.1 |
|
188 |
lefcha |
1.9 |
debug("folder: '%s'\n", g->key); |
189 |
lefcha |
1.1 |
|
190 |
lefcha |
1.9 |
strncat(mboxs, line + m[2].rm_so, min(m[2].rm_eo - m[2].rm_so, |
191 |
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LINE_MAX - 1)); |
192 |
lefcha |
1.1 |
|
193 |
lefcha |
1.9 |
process_mboxgrp(g, mboxs); |
194 |
lefcha |
1.1 |
|
195 |
lefcha |
1.9 |
INSERT_TREE(mboxgrps, g, mboxgrp); |
196 |
lefcha |
1.1 |
|
197 |
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return 0; |
198 |
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} |
199 |
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200 |
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201 |
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/* |
202 |
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* Calls set_mbox() in order to create mailboxes that are part of |
203 |
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* the mailbox-group. |
204 |
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*/ |
205 |
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void |
206 |
lefcha |
1.9 |
process_mboxgrp(mboxgrp_t * g, char *mboxs) |
207 |
lefcha |
1.1 |
{ |
208 |
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unsigned int i; |
209 |
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char *tok; |
210 |
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211 |
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i = 0; |
212 |
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213 |
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tok = strtok_r(mboxs, ",", &mboxs); |
214 |
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while (i < MBOXGRP_MBOXES_MAX - 1 && tok != NULL) { |
215 |
lefcha |
1.9 |
g->mboxes[i] = (mbox_t *) set_mbox(tok); |
216 |
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g->mboxes[++i] = NULL; |
217 |
lefcha |
1.1 |
|
218 |
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tok = strtok_r(NULL, ",", &mboxs); |
219 |
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} |
220 |
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} |
221 |
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222 |
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223 |
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/* |
224 |
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* Set new mailbox's variables to safe values. |
225 |
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*/ |
226 |
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void |
227 |
lefcha |
1.9 |
init_mbox(mbox_t * m) |
228 |
lefcha |
1.1 |
{ |
229 |
lefcha |
1.10 |
|
230 |
lefcha |
1.9 |
m->next = NULL; |
231 |
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m->name[0] = '\0'; |
232 |
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m->filters[0] = NULL; |
233 |
lefcha |
1.1 |
} |
234 |
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235 |
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236 |
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/* |
237 |
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* A new mailbox was declared, create it and set it's variables accordingly. |
238 |
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*/ |
239 |
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mbox_t * |
240 |
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set_mbox(char *name) |
241 |
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{ |
242 |
lefcha |
1.9 |
char s[MBOX_LEN]; |
243 |
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mbox_t *m, *am; |
244 |
lefcha |
1.1 |
|
245 |
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*s = '\0'; |
246 |
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247 |
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if (*name == '"' && *(name + strlen(name) - 1) == '"') |
248 |
lefcha |
1.9 |
strncat(s, name + 1, min(strlen(name) - 2, MBOX_LEN - 1)); |
249 |
lefcha |
1.1 |
else |
250 |
lefcha |
1.9 |
strncat(s, name, min(strlen(name), MBOX_LEN - 1)); |
251 |
lefcha |
1.1 |
|
252 |
lefcha |
1.9 |
for (am = curacct->mboxes; am != NULL; am = am->next) |
253 |
|
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if (!strcmp(am->name, s)) |
254 |
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return am; |
255 |
lefcha |
1.1 |
|
256 |
lefcha |
1.9 |
m = (mbox_t *) xmalloc(sizeof(mbox_t)); |
257 |
lefcha |
1.1 |
|
258 |
lefcha |
1.9 |
init_mbox(m); |
259 |
lefcha |
1.1 |
|
260 |
lefcha |
1.9 |
strncat(m->name, s, MBOX_LEN - 1); |
261 |
lefcha |
1.1 |
|
262 |
lefcha |
1.9 |
debug("mbox: '%s'\n", m->name); |
263 |
lefcha |
1.1 |
|
264 |
lefcha |
1.9 |
APPEND_LINKED_LIST(curacct->mboxes, m, mbox); |
265 |
lefcha |
1.1 |
|
266 |
lefcha |
1.9 |
return m; |
267 |
lefcha |
1.1 |
} |
268 |
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269 |
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|
270 |
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/* |
271 |
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* Decode the character triplet, consisting of the character '%' |
272 |
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* followed by two hexadecimal digits to its corresponding ASCII |
273 |
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* character (described in Section 2.2 of RFC 1738). |
274 |
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*/ |
275 |
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int |
276 |
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string_decode(char *str) |
277 |
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{ |
278 |
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char *c; |
279 |
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char hex[3]; |
280 |
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281 |
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c = str; |
282 |
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283 |
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while (*c != '\0') { |
284 |
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if (*c == '%') { |
285 |
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if (!isxdigit((unsigned char)(*(c + 1))) || |
286 |
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!isxdigit((unsigned char)(*(c + 2)))) |
287 |
lefcha |
1.9 |
return ERROR_PARSER; |
288 |
lefcha |
1.1 |
|
289 |
|
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xstrncpy(hex, ++c, 2); |
290 |
|
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hex[2] = '\0'; |
291 |
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292 |
|
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if (!isprint((unsigned char)(*str = (char)strtoul(hex, |
293 |
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NULL, 16)))) |
294 |
lefcha |
1.9 |
return ERROR_PARSER; |
295 |
lefcha |
1.1 |
|
296 |
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str++; |
297 |
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c += 2; |
298 |
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} else |
299 |
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*(str++) = *(c++); |
300 |
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} |
301 |
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*str = '\0'; |
302 |
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303 |
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return 0; |
304 |
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} |
305 |
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306 |
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307 |
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/* |
308 |
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* Convert the names of personal mailboxes using the namespace specified |
309 |
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* by the mail server. |
310 |
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*/ |
311 |
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char * |
312 |
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apply_namespace(char *mbox, char *prefix, char delim) |
313 |
|
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{ |
314 |
lefcha |
1.9 |
static char m[MBOX_LEN]; |
315 |
lefcha |
1.1 |
char *c; |
316 |
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|
317 |
|
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if ((prefix[0] == '\0' && delim == '\0') || |
318 |
|
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(prefix[0] == '\0' && delim == '/') || |
319 |
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!strcasecmp(mbox, "INBOX")) |
320 |
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return mbox; |
321 |
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|
322 |
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m[0] = '\0'; |
323 |
lefcha |
1.9 |
strncat(m, prefix, NAMESPACE_PREFIX_LEN - 1); |
324 |
|
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strncat(m, mbox, MBOX_LEN - strlen(m) - 1); |
325 |
lefcha |
1.1 |
|
326 |
|
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c = m; |
327 |
|
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while ((c = strchr(c, '/'))) |
328 |
|
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*(c++) = delim; |
329 |
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|
330 |
lefcha |
1.9 |
debug("mailbox: '%s'\n", m); |
331 |
lefcha |
1.1 |
|
332 |
|
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return m; |
333 |
|
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} |