/[imapfilter]/imapfilter/account.c
ViewVC logotype

Annotation of /imapfilter/account.c

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1.4 - (hide annotations)
Fri Aug 8 00:18:45 2003 UTC (17 years, 2 months ago) by lefcha
Branch: MAIN
Changes since 1.3: +1 -0 lines
File MIME type: text/plain
Corrected header includes.

1 lefcha 1.1 #include <stdio.h>
2 lefcha 1.3 #include <stdlib.h>
3 lefcha 1.1 #include <string.h>
4     #include <ctype.h>
5     #include <limits.h>
6 lefcha 1.4 #include <regex.h>
7 lefcha 1.1
8     #include "config.h"
9     #include "imapfilter.h"
10     #include "account.h"
11     #include "struct.h"
12    
13    
14     extern unsigned int flags;
15    
16     account_t *accounts = NULL; /* First node of accounts linked list. */
17     mboxgrp_t *mboxgrps = NULL; /* First node of mailbox-groups tree. */
18    
19 lefcha 1.2 account_t *cur_acct = NULL; /* Current account. */
20 lefcha 1.1
21    
22     void init_account(account_t * node);
23    
24     void init_mboxgrp(mboxgrp_t * node);
25     void process_mboxgrp(mboxgrp_t * node, char *mboxs);
26    
27     void init_mbox(mbox_t * node);
28     mbox_t *set_mbox(char *name);
29    
30     int string_decode(char *str);
31    
32    
33     /*
34     * Set new account's variables to safe values.
35     */
36     void
37     init_account(account_t * node)
38     {
39     node->next = NULL;
40     node->key[0] = node->server[0] = '\0';
41     node->username[0] = node->password[0] = '\0';
42     node->passwdattr = PASSWORD_NONE;
43     node->port = 143;
44     node->ssl = SSL_DISABLED;
45     node->mboxes = NULL;
46     }
47    
48    
49     /*
50     * A new account entry was declared. Create it and set it's variables
51     * accordingly.
52     */
53     int
54     set_account(char *line, regmatch_t * m)
55     {
56     int n;
57     char p[6];
58     account_t *node;
59    
60     node = (account_t *) xmalloc(sizeof(account_t));
61     node->password = (char *)smalloc(PASSWORD_LEN);
62    
63     init_account(node);
64    
65     strncat(node->key, line + m[1].rm_so,
66     min(m[1].rm_eo - m[1].rm_so, KEY_LEN - 1));
67    
68     #ifdef DEBUG
69     fprintf(stderr, "debug: ACCOUNT: '%s'\n", node->key);
70     #endif
71    
72     if (m[3].rm_so != -1) {
73     strncat(node->username, line + m[3].rm_so,
74     min(m[3].rm_eo - m[3].rm_so, USERNAME_LEN - 1));
75     } else {
76     strncat(node->username, line + m[5].rm_so,
77     min(m[5].rm_eo - m[5].rm_so, USERNAME_LEN - 1));
78     }
79     if (strchr(node->username, '%'))
80     if (string_decode(node->username))
81     return ERROR_CONFIG_PARSE;
82    
83     #ifdef DEBUG
84     fprintf(stderr, "debug: USERNAME: '%s'\n", node->username);
85     #endif
86    
87     if (m[4].rm_so != -1) {
88     strncat(node->password, line + m[4].rm_so,
89     min(m[4].rm_eo - m[4].rm_so, PASSWORD_LEN - 1));
90     if (strchr(node->password, '%'))
91     if (string_decode(node->password))
92     return ERROR_CONFIG_PARSE;
93     node->passwdattr = PASSWORD_PLAIN;
94     } else
95     flags |= FLAG_BLANK_PASSWORD;
96    
97     #ifdef DEBUG
98     fprintf(stderr, "debug: PASSWORD: '%s'\n", node->password);
99     #endif
100    
101     strncat(node->server, line + m[6].rm_so,
102     min(m[6].rm_eo - m[6].rm_so, SERVER_LEN - 1));
103    
104     #ifdef DEBUG
105     fprintf(stderr, "debug: SERVER: '%s'\n", node->server);
106     #endif
107    
108     if (m[7].rm_so != -1) {
109     n = min(m[7].rm_eo - m[7].rm_so - 1, 5);
110     xstrncpy(p, line + m[7].rm_so + 1, n);
111     p[n] = '\0';
112     node->port = strtoul(p, NULL, 10);
113     #ifdef DEBUG
114     fprintf(stderr, "debug: PORT: %d\n", node->port);
115     #endif
116     }
117     if (m[8].rm_so != -1) {
118     if (m[7].rm_so == -1)
119     node->port = 993;
120    
121     if (strcasestr(line + m[8].rm_so, "SSL2"))
122     node->ssl = SSL_SSL_V2;
123     else if (strcasestr(line + m[8].rm_so, "SSL3"))
124     node->ssl = SSL_SSL_V3;
125     else
126     node->ssl = SSL_TLS_V1;
127     }
128     APPEND_LINKED_LIST(accounts, node, account);
129     cur_acct = node;
130    
131     return 0;
132     }
133    
134    
135     #ifdef ENCRYPTED_PASSWORDS
136     /*
137     * Find accounts without a password (candicates for password encryption).
138     */
139     char *
140     find_password(char *user, char *serv)
141     {
142     account_t *a;
143    
144     for (a = accounts; a != NULL; a = a->next)
145     if (a->passwdattr == PASSWORD_NONE &&
146     !strcmp(a->server, serv) && !strcmp(a->username, user)) {
147     a->passwdattr = PASSWORD_ENCRYPTED;
148     return a->password;
149     }
150     return NULL;
151     }
152     #endif
153    
154    
155     /*
156     * Set new mailbox-group's variables to safe values.
157     */
158     void
159     init_mboxgrp(mboxgrp_t * node)
160     {
161     node->left = node->right = NULL;
162     node->key[0] = '\0';
163     node->mboxes[0] = NULL;
164     }
165    
166    
167     /*
168     * A new mailbox-group entry was declared. Create it and set it's variables
169     * accordingly.
170     */
171     int
172     set_mboxgrp(char *line, regmatch_t * m)
173     {
174     mboxgrp_t *node;
175     char mboxs[LINE_MAX];
176    
177     mboxs[0] = '\0';
178    
179     if (accounts == NULL)
180     return ERROR_CONFIG_PARSE;
181    
182     node = (mboxgrp_t *) xmalloc(sizeof(mboxgrp_t));
183    
184     init_mboxgrp(node);
185    
186     strncat(node->key, line + m[1].rm_so,
187     min(m[1].rm_eo - m[1].rm_so, KEY_LEN - 1));
188    
189     #ifdef DEBUG
190     fprintf(stderr, "debug: FOLDER: '%s'\n", node->key);
191     #endif
192    
193     strncat(mboxs, line + m[2].rm_so,
194     min(m[2].rm_eo - m[2].rm_so, LINE_MAX - 1));
195    
196     process_mboxgrp(node, mboxs);
197    
198     INSERT_TREE(mboxgrps, node, mboxgrp);
199    
200     return 0;
201     }
202    
203    
204     /*
205     * Calls set_mbox() in order to create mailboxes that are part of
206     * the mailbox-group.
207     */
208     void
209     process_mboxgrp(mboxgrp_t * node, char *mboxs)
210     {
211     unsigned int i;
212     char *tok;
213    
214     i = 0;
215    
216     tok = strtok_r(mboxs, ",", &mboxs);
217     while (i < MBOXGRP_MBOXES_MAX - 1 && tok != NULL) {
218     node->mboxes[i] = (mbox_t *) set_mbox(tok);
219     node->mboxes[++i] = NULL;
220    
221     tok = strtok_r(NULL, ",", &mboxs);
222     }
223     }
224    
225    
226     /*
227     * Set new mailbox's variables to safe values.
228     */
229     void
230     init_mbox(mbox_t * node)
231     {
232     node->next = NULL;
233     node->name[0] = '\0';
234     node->filters[0] = NULL;
235     }
236    
237    
238     /*
239     * A new mailbox was declared, create it and set it's variables accordingly.
240     */
241     mbox_t *
242     set_mbox(char *name)
243     {
244     char s[MBOX_NAME_LEN];
245     mbox_t *node, *m;
246    
247     *s = '\0';
248    
249     if (*name == '"' && *(name + strlen(name) - 1) == '"')
250     strncat(s, name + 1, min(strlen(name) - 2, MBOX_NAME_LEN - 1));
251     else
252     strncat(s, name, min(strlen(name), MBOX_NAME_LEN - 1));
253    
254     for (m = cur_acct->mboxes; m != NULL; m = m->next)
255     if (!strcmp(m->name, s))
256     return m;
257    
258     node = (mbox_t *) xmalloc(sizeof(mbox_t));
259    
260     init_mbox(node);
261    
262     strncat(node->name, s, MBOX_NAME_LEN - 1);
263    
264     #ifdef DEBUG
265     fprintf(stderr, "debug: MBOX: '%s'\n", node->name);
266     #endif
267    
268     APPEND_LINKED_LIST(cur_acct->mboxes, node, mbox);
269    
270     return node;
271     }
272    
273    
274     /*
275     * Decode the character triplet, consisting of the character '%'
276     * followed by two hexadecimal digits to its corresponding ASCII
277     * character (described in Section 2.2 of RFC 1738).
278     */
279     int
280     string_decode(char *str)
281     {
282     char *c;
283     char hex[3];
284    
285     c = str;
286    
287     while (*c != '\0') {
288     if (*c == '%') {
289     if (!isxdigit((unsigned char)(*(c + 1))) ||
290     !isxdigit((unsigned char)(*(c + 2))))
291     return ERROR_CONFIG_PARSE;
292    
293     xstrncpy(hex, ++c, 2);
294     hex[2] = '\0';
295    
296     if (!isprint((unsigned char)(*str = (char)strtoul(hex,
297     NULL, 16))))
298     return ERROR_CONFIG_PARSE;
299    
300     str++;
301     c += 2;
302     } else
303     *(str++) = *(c++);
304     }
305     *str = '\0';
306    
307     return 0;
308     }
309    
310    
311     /*
312     * Convert the names of personal mailboxes using the namespace specified
313     * by the mail server.
314     */
315     char *
316     apply_namespace(char *mbox, char *prefix, char delim)
317     {
318     static char m[MBOX_NAME_LEN];
319     char *c;
320    
321     if ((prefix[0] == '\0' && delim == '\0') ||
322     (prefix[0] == '\0' && delim == '/') ||
323     !strcasecmp(mbox, "INBOX"))
324     return mbox;
325    
326     m[0] = '\0';
327     strncat(m, prefix, MBOX_NAME_LEN - 1);
328     strncat(m, mbox, MBOX_NAME_LEN - strlen(m) - 1);
329    
330     c = m;
331     while ((c = strchr(c, '/')))
332     *(c++) = delim;
333    
334     #ifdef DEBUG
335     fprintf(stderr, "debug: MAILBOX: '%s'\n", m);
336     #endif
337    
338     return m;
339     }

webmaster@linux.gr
ViewVC Help
Powered by ViewVC 1.1.26