25 |
|
|
26 |
#ifdef ENCRYPTED_PASSWORDS |
#ifdef ENCRYPTED_PASSWORDS |
27 |
char *passphr; /* Master password to access the passwords |
char *passphr; /* Master password to access the passwords |
28 |
file. */ |
* file. */ |
29 |
|
|
30 |
#endif |
#endif |
31 |
|
|
32 |
|
|
33 |
/* |
/* |
34 |
* Find the path to configuration file, open it and call parse_config(). |
* Find the path to configuration file, open it and call parse_config(). |
35 |
*/ |
*/ |
36 |
int read_config(char *cfg) |
int |
37 |
|
read_config(char *cfg) |
38 |
{ |
{ |
39 |
int r; |
int r; |
40 |
FILE *fd; |
FILE *fd; |
41 |
char *c = NULL; |
char *c; |
42 |
|
|
43 |
if (!cfg) { |
c = NULL; |
44 |
cfg = c = (char *)xmalloc(PATH_MAX * sizeof(char)); |
|
45 |
snprintf(cfg, PATH_MAX, "%s/%s", home, ".imapfilterrc"); |
if (cfg == NULL) { |
46 |
} |
cfg = c = (char *)xmalloc(PATH_MAX * sizeof(char)); |
47 |
|
snprintf(cfg, PATH_MAX, "%s/%s", home, ".imapfilterrc"); |
48 |
|
} |
49 |
#ifdef DEBUG |
#ifdef DEBUG |
50 |
fprintf(stderr, "debug: configuration file: '%s'\n", cfg); |
fprintf(stderr, "debug: configuration file: '%s'\n", cfg); |
51 |
#endif |
#endif |
52 |
#ifdef CHECK_PERMISSIONS |
#ifdef CHECK_PERMISSIONS |
53 |
check_file_perms(cfg, S_IRUSR | S_IWUSR); |
check_file_perms(cfg, S_IRUSR | S_IWUSR); |
54 |
#endif |
#endif |
55 |
fd = fopen(cfg, "r"); |
fd = fopen(cfg, "r"); |
56 |
|
if (fd == NULL) |
57 |
if (!fd) |
fatal(ERROR_FILE_OPEN, "opening config file %s; %s\n", cfg, |
58 |
fatal(ERROR_FILE_OPEN, "imapfilter: opening config file %s; %s\n", |
strerror(errno)); |
59 |
cfg, strerror(errno)); |
|
60 |
|
if (c != NULL) |
61 |
|
xfree(c); |
62 |
|
|
63 |
|
if ((r = parse_config(fd))) |
64 |
|
fatal(ERROR_CONFIG_PARSE, |
65 |
|
"parse error in config file at row %d\n", r); |
66 |
|
|
67 |
if (c) |
fclose(fd); |
|
xfree(c); |
|
|
|
|
|
if ((r = parse_config(fd))) |
|
|
fatal(ERROR_CONFIG_PARSE, |
|
|
"imapfilter: parse error in config file at row %d\n", r); |
|
|
|
|
|
fclose(fd); |
|
68 |
|
|
69 |
#ifdef DEBUG |
#ifdef DEBUG |
70 |
fprintf(stderr, "debug: options: %0#10x '%s'\n", options, charset); |
fprintf(stderr, "debug: options: %0#10x '%s'\n", options, charset); |
71 |
#endif |
#endif |
72 |
|
|
73 |
return 0; |
return 0; |
74 |
} |
} |
75 |
|
|
76 |
|
|
77 |
/* |
/* |
78 |
* Parse configuration file. |
* Parse configuration file. |
79 |
*/ |
*/ |
80 |
int parse_config(FILE * fd) |
int |
81 |
|
parse_config(FILE * fd) |
82 |
{ |
{ |
83 |
int i, r = 0; |
int i, r; |
84 |
unsigned int row = 0; |
unsigned int row; |
85 |
char line[LINE_MAX]; |
char line[LINE_MAX]; |
86 |
regex_t creg[13]; |
regex_t creg[13]; |
87 |
regmatch_t match[11]; |
regmatch_t match[11]; |
88 |
const char *reg[13] = { |
const char *reg[13] = { |
89 |
"^([[:blank:]]*\n|#.*\n)$", |
"^([[:blank:]]*\n|#.*\n)$", |
90 |
|
|
91 |
"^[[:blank:]]*ACCOUNT[[:blank:]]+([[:alnum:]_-]+)[[:blank:]]+" |
"^[[:blank:]]*ACCOUNT[[:blank:]]+([[:alnum:]_-]+)[[:blank:]]+" |
92 |
"(([[:graph:]]+):([[:graph:]]*)|([[:graph:]]+))@([[:alnum:].-]+)" |
"(([[:graph:]]+):([[:graph:]]*)|([[:graph:]]+))@" |
93 |
"(:[[:digit:]]+)?[[:blank:]]*([[:blank:]]SSL|[[:blank:]]SSL2|" |
"([[:alnum:].-]+)(:[[:digit:]]+)?[[:blank:]]*" |
94 |
"[[:blank:]]SSL3|[[:blank:]]TLS1)?[[:blank:]]*\n$", |
"([[:blank:]]SSL|[[:blank:]]SSL2|[[:blank:]]SSL3|" |
95 |
|
"[[:blank:]]TLS1)?[[:blank:]]*\n$", |
96 |
"^[[:blank:]]*FOLDER[[:blank:]]+([[:alnum:]_-]+)[[:blank:]]+" |
|
97 |
"([[:print:]]+)[[:blank:]]*\n$", |
"^[[:blank:]]*FOLDER[[:blank:]]+([[:alnum:]_-]+)[[:blank:]]+" |
98 |
|
"([[:print:]]+)[[:blank:]]*\n$", |
99 |
"^[[:blank:]]*FILTER[[:blank:]]+([[:alnum:]_-]+)[[:blank:]]*" |
|
100 |
"([[:blank:]]OR|[[:blank:]]AND)?[[:blank:]]*\n$", |
"^[[:blank:]]*FILTER[[:blank:]]+([[:alnum:]_-]+)[[:blank:]]*" |
101 |
|
"([[:blank:]]OR|[[:blank:]]AND)?[[:blank:]]*\n$", |
102 |
"^[[:blank:]]*ACTION[[:blank:]]+(DELETE|" |
|
103 |
"COPY[[:blank:]]+(\"[[:print:]]*\"|[[:graph:]]+)|" |
"^[[:blank:]]*ACTION[[:blank:]]+(DELETE|" |
104 |
"MOVE[[:blank:]]+(\"[[:print:]]*\"|[[:graph:]]+)|" |
"COPY[[:blank:]]+(\"[[:print:]]*\"|[[:graph:]]+)|" |
105 |
"RCOPY[[:blank:]]+([[:alnum:]_-]+)[[:blank:]]+" |
"MOVE[[:blank:]]+(\"[[:print:]]*\"|[[:graph:]]+)|" |
106 |
"(\"[[:print:]]*\"|[[:graph:]]+)|" |
"RCOPY[[:blank:]]+([[:alnum:]_-]+)[[:blank:]]+" |
107 |
"RMOVE[[:blank:]]+([[:alnum:]_-]+)[[:blank:]]+" |
"(\"[[:print:]]*\"|[[:graph:]]+)|" |
108 |
"(\"[[:print:]]*\"|[[:graph:]]+)|" |
"RMOVE[[:blank:]]+([[:alnum:]_-]+)[[:blank:]]+" |
109 |
"FLAG[[:blank:]]+(REPLACE|ADD|REMOVE)[[:blank:]]+" |
"(\"[[:print:]]*\"|[[:graph:]]+)|" |
110 |
"([[:alpha:],]+)|" |
"FLAG[[:blank:]]+(REPLACE|ADD|REMOVE)[[:blank:]]+" |
111 |
"LIST)[[:blank:]]*([[:graph:]]*)[[:blank:]]*\n$", |
"([[:alpha:],]+)|" |
112 |
|
"LIST)[[:blank:]]*([[:graph:]]*)[[:blank:]]*\n$", |
113 |
"^[[:blank:]]*(MASK[[:blank:]])?[[:blank:]]*(OR[[:blank:]]|" |
|
114 |
"AND[[:blank:]])?[[:blank:]]*(NOT[[:blank:]])?[[:blank:]]*" |
"^[[:blank:]]*(MASK[[:blank:]])?[[:blank:]]*(OR[[:blank:]]|" |
115 |
"(ANSWERED|DELETED|DRAFT|FLAGGED|NEW|OLD|RECENT|SEEN|UNANSWERED|" |
"AND[[:blank:]])?[[:blank:]]*(NOT[[:blank:]])?[[:blank:]]*" |
116 |
"UNDELETED|UNDRAFT|UNFLAGGED|UNSEEN)[[:blank:]]*\n$", |
"(ANSWERED|DELETED|DRAFT|FLAGGED|NEW|OLD|RECENT|SEEN|" |
117 |
|
"UNANSWERED|UNDELETED|UNDRAFT|UNFLAGGED|UNSEEN)[[:blank:]]*\n$", |
118 |
"^[[:blank:]]*(MASK[[:blank:]])?[[:blank:]]*(OR[[:blank:]]|" |
|
119 |
"AND[[:blank:]])?[[:blank:]]*(NOT[[:blank:]])?[[:blank:]]*" |
"^[[:blank:]]*(MASK[[:blank:]])?[[:blank:]]*(OR[[:blank:]]|" |
120 |
"(BCC|BODY|CC|FROM|SUBJECT|TEXT|TO)[[:blank:]]+(\"[[:print:]]*\"|" |
"AND[[:blank:]])?[[:blank:]]*(NOT[[:blank:]])?[[:blank:]]*" |
121 |
"[[:graph:]]+)[[:blank:]]*\n$", |
"(BCC|BODY|CC|FROM|SUBJECT|TEXT|TO)[[:blank:]]+" |
122 |
|
"(\"[[:print:]]*\"|[[:graph:]]+)[[:blank:]]*\n$", |
123 |
"^[[:blank:]]*(MASK[[:blank:]])?[[:blank:]]*(OR[[:blank:]]|" |
|
124 |
"AND[[:blank:]])?[[:blank:]]*(NOT[[:blank:]])?[[:blank:]]*" |
"^[[:blank:]]*(MASK[[:blank:]])?[[:blank:]]*(OR[[:blank:]]|" |
125 |
"(HEADER)[[:blank:]]+(\"[[:print:]]*\"|[[:graph:]]+)[[:blank:]]+" |
"AND[[:blank:]])?[[:blank:]]*(NOT[[:blank:]])?[[:blank:]]*" |
126 |
"(\"[[:print:]]*\"|[[:graph:]]+)[[:blank:]]*\n$", |
"(HEADER)[[:blank:]]+(\"[[:print:]]*\"|[[:graph:]]+)" |
127 |
|
"[[:blank:]]+(\"[[:print:]]*\"|[[:graph:]]+)[[:blank:]]*\n$", |
128 |
"^[[:blank:]]*(MASK[[:blank:]])?[[:blank:]]*(OR[[:blank:]]|" |
|
129 |
"AND[[:blank:]])?[[:blank:]]*(NOT[[:blank:]])?[[:blank:]]*" |
"^[[:blank:]]*(MASK[[:blank:]])?[[:blank:]]*(OR[[:blank:]]|" |
130 |
"(LARGER|SMALLER|OLDER|NEWER)[[:blank:]]+([[:digit:]]+)" |
"AND[[:blank:]])?[[:blank:]]*(NOT[[:blank:]])?[[:blank:]]*" |
131 |
"[[:blank:]]*\n$", |
"(LARGER|SMALLER|OLDER|NEWER)[[:blank:]]+([[:digit:]]+)" |
132 |
|
"[[:blank:]]*\n$", |
133 |
"^[[:blank:]]*JOB[[:blank:]]+([[:alnum:],_-]+)[[:blank:]]+" |
|
134 |
"([[:alnum:],_-]+)[[:blank:]]*\n$", |
"^[[:blank:]]*JOB[[:blank:]]+([[:alnum:],_-]+)[[:blank:]]+" |
135 |
|
"([[:alnum:],_-]+)[[:blank:]]*\n$", |
136 |
"^[[:blank:]]*(SET[[:blank:]])?[[:blank:]]*(LOGFILE|CHARSET)" |
|
137 |
"[[:blank:]]*=[[:blank:]]*(\"[[:print:]]*\"|[[:graph:]]+)" |
"^[[:blank:]]*(SET[[:blank:]])?[[:blank:]]*(LOGFILE|CHARSET)" |
138 |
"[[:blank:]]*\n$", |
"[[:blank:]]*=[[:blank:]]*(\"[[:print:]]*\"|[[:graph:]]+)" |
139 |
|
"[[:blank:]]*\n$", |
140 |
"^[[:blank:]]*(SET[[:blank:]])?[[:blank:]]*(ERRORS|EXPUNGE|HEADERS|" |
|
141 |
"NAMESPACE|SUBSCRIBE|WARNING)[[:blank:]]*=[[:blank:]]*(YES|NO)" |
"^[[:blank:]]*(SET[[:blank:]])?[[:blank:]]*(ERRORS|EXPUNGE|" |
142 |
"[[:blank:]]*\n$", |
"HEADERS|NAMESPACE|SUBSCRIBE|WARNING)[[:blank:]]*=[[:blank:]]*" |
143 |
|
"(YES|NO)[[:blank:]]*\n$", |
144 |
"^[[:blank:]]*(SET[[:blank:]])?[[:blank:]]*(DAEMON|TIMEOUT)" |
|
145 |
"[[:blank:]]*=[[:blank:]]*([[:digit:]]+)\n$" |
"^[[:blank:]]*(SET[[:blank:]])?[[:blank:]]*(DAEMON|TIMEOUT)" |
146 |
}; |
"[[:blank:]]*=[[:blank:]]*([[:digit:]]+)\n$" |
147 |
|
}; |
148 |
for (i = 0; i < 13; i++) |
|
149 |
regcomp(&creg[i], reg[i], REG_EXTENDED | REG_ICASE); |
r = row = 0; |
150 |
|
|
151 |
/* First process all the variables. This is done because some variables' |
for (i = 0; i < 13; i++) |
152 |
arguments are used before the other commands are processed. */ |
regcomp(&creg[i], reg[i], REG_EXTENDED | REG_ICASE); |
153 |
while (fgets(line, LINE_MAX - 1, fd)) |
|
154 |
if (!regexec(&creg[10], line, 4, match, 0) || |
/* First process all the variables. This is done because some |
155 |
!regexec(&creg[11], line, 4, match, 0) || |
* variables' arguments are used before the other commands are |
156 |
!regexec(&creg[12], line, 4, match, 0)) |
* processed. */ |
157 |
set_options(line, match); |
while (fgets(line, LINE_MAX - 1, fd)) |
158 |
|
if (!regexec(&creg[10], line, 4, match, 0) || |
159 |
/* Then rewind and process everything else. */ |
!regexec(&creg[11], line, 4, match, 0) || |
160 |
fseek(fd, 0L, SEEK_SET); |
!regexec(&creg[12], line, 4, match, 0)) |
161 |
while (fgets(line, LINE_MAX - 1, fd)) { |
set_options(line, match); |
|
row++; |
|
|
if (!regexec(&creg[0], line, 0, match, 0)) |
|
|
continue; |
|
|
else if (!regexec(&creg[1], line, 9, match, 0)) |
|
|
set_account(line, match); |
|
|
else if (!regexec(&creg[2], line, 3, match, 0)) |
|
|
r = set_mboxgrp(line, match); |
|
|
else if (!regexec(&creg[3], line, 3, match, 0)) |
|
|
r = set_filter(line, match); |
|
|
else if (!regexec(&creg[4], line, 11, match, 0)) |
|
|
r = set_action(line, match); |
|
|
else if (!regexec(&creg[5], line, 5, match, 0)) |
|
|
r = set_mask(line, match, MASK_MATCH_1); |
|
|
else if (!regexec(&creg[6], line, 6, match, 0)) |
|
|
r = set_mask(line, match, MASK_MATCH_2); |
|
|
else if (!regexec(&creg[7], line, 7, match, 0)) |
|
|
r = set_mask(line, match, MASK_MATCH_3); |
|
|
else if (!regexec(&creg[8], line, 6, match, 0)) |
|
|
r = set_mask(line, match, MASK_MATCH_4); |
|
|
else if (!regexec(&creg[9], line, 3, match, 0)) |
|
|
r = set_job(line, match); |
|
|
/* Skip variable processing. */ |
|
|
else if (!regexec(&creg[10], line, 4, match, 0) || |
|
|
!regexec(&creg[11], line, 4, match, 0) || |
|
|
!regexec(&creg[12], line, 4, match, 0)); |
|
|
else |
|
|
return row; |
|
|
|
|
|
if (r == ERROR_CONFIG_PARSE) |
|
|
return row; |
|
|
} |
|
162 |
|
|
163 |
for (i = 0; i < 13; i++) |
/* Then rewind and process everything else. */ |
164 |
regfree(&creg[i]); |
fseek(fd, 0L, SEEK_SET); |
165 |
|
while (fgets(line, LINE_MAX - 1, fd)) { |
166 |
|
row++; |
167 |
|
if (!regexec(&creg[0], line, 0, match, 0)) |
168 |
|
continue; |
169 |
|
else if (!regexec(&creg[1], line, 9, match, 0)) |
170 |
|
set_account(line, match); |
171 |
|
else if (!regexec(&creg[2], line, 3, match, 0)) |
172 |
|
r = set_mboxgrp(line, match); |
173 |
|
else if (!regexec(&creg[3], line, 3, match, 0)) |
174 |
|
r = set_filter(line, match); |
175 |
|
else if (!regexec(&creg[4], line, 11, match, 0)) |
176 |
|
r = set_action(line, match); |
177 |
|
else if (!regexec(&creg[5], line, 5, match, 0)) |
178 |
|
r = set_mask(line, match, MASK_MATCH_1); |
179 |
|
else if (!regexec(&creg[6], line, 6, match, 0)) |
180 |
|
r = set_mask(line, match, MASK_MATCH_2); |
181 |
|
else if (!regexec(&creg[7], line, 7, match, 0)) |
182 |
|
r = set_mask(line, match, MASK_MATCH_3); |
183 |
|
else if (!regexec(&creg[8], line, 6, match, 0)) |
184 |
|
r = set_mask(line, match, MASK_MATCH_4); |
185 |
|
else if (!regexec(&creg[9], line, 3, match, 0)) |
186 |
|
r = set_job(line, match); |
187 |
|
/* Skip variable processing. */ |
188 |
|
else if (!regexec(&creg[10], line, 4, match, 0) || |
189 |
|
!regexec(&creg[11], line, 4, match, 0) || |
190 |
|
!regexec(&creg[12], line, 4, match, 0)); |
191 |
|
else |
192 |
|
return row; |
193 |
|
|
194 |
|
if (r == ERROR_CONFIG_PARSE) |
195 |
|
return row; |
196 |
|
} |
197 |
|
|
198 |
destroy_data(); |
for (i = 0; i < 13; i++) |
199 |
|
regfree(&creg[i]); |
200 |
|
|
201 |
return 0; |
destroy_data(); |
202 |
|
|
203 |
|
return 0; |
204 |
} |
} |
205 |
|
|
206 |
|
|
207 |
/* |
/* |
208 |
* Set other options found in config file. |
* Set other options found in config file. |
209 |
*/ |
*/ |
210 |
void set_options(char *line, regmatch_t * match) |
void |
211 |
|
set_options(char *line, regmatch_t * m) |
212 |
{ |
{ |
213 |
if (!strncasecmp(line + match[2].rm_so, "logfile", 7)) { |
if (!strncasecmp(line + m[2].rm_so, "logfile", 7)) { |
214 |
if (!*logfile) { |
if (*logfile == '\0') { |
215 |
if (*(line + match[3].rm_so) == '"' && |
if (*(line + m[3].rm_so) == '"' && |
216 |
*(line + match[3].rm_eo - 1) == '"') |
*(line + m[3].rm_eo - 1) == '"') |
217 |
strncat(logfile, line + match[3].rm_so + 1, |
strncat(logfile, line + m[3].rm_so + 1, |
218 |
min((match[3].rm_eo - match[3].rm_so - 2), |
min((m[3].rm_eo - m[3].rm_so - 2), |
219 |
PATH_MAX - 1)); |
PATH_MAX - 1)); |
220 |
else |
else |
221 |
strncat(logfile, line + match[3].rm_so, |
strncat(logfile, line + m[3].rm_so, |
222 |
min((match[3].rm_eo - match[3].rm_so), |
min((m[3].rm_eo - m[3].rm_so), |
223 |
PATH_MAX - 1)); |
PATH_MAX - 1)); |
224 |
} |
} |
225 |
} else if (!strncasecmp(line + match[2].rm_so, "charset", 7)) { |
} else if (!strncasecmp(line + m[2].rm_so, "charset", 7)) { |
226 |
if (*(line + match[3].rm_so) == '"' && |
if (*(line + m[3].rm_so) == '"' && |
227 |
*(line + match[3].rm_eo - 1) == '"') |
*(line + m[3].rm_eo - 1) == '"') |
228 |
strncat(charset, line + match[3].rm_so + 1, |
strncat(charset, line + m[3].rm_so + 1, |
229 |
min((match[3].rm_eo - match[3].rm_so - 2), |
min((m[3].rm_eo - m[3].rm_so - 2), |
230 |
CHARSET_LEN - 1)); |
CHARSET_LEN - 1)); |
231 |
else |
else |
232 |
strncat(charset, line + match[3].rm_so, |
strncat(charset, line + m[3].rm_so, |
233 |
min((match[3].rm_eo - match[3].rm_so), CHARSET_LEN - 1)); |
min((m[3].rm_eo - m[3].rm_so), CHARSET_LEN - 1)); |
234 |
} else if (!strncasecmp(line + match[2].rm_so, "errors", 6)) { |
} else if (!strncasecmp(line + m[2].rm_so, "errors", 6)) { |
235 |
if (!strncasecmp(line + match[3].rm_so, "yes", 3)) |
if (!strncasecmp(line + m[3].rm_so, "yes", 3)) |
236 |
options |= OPTION_ERRORS; |
options |= OPTION_ERRORS; |
237 |
else |
else |
238 |
options &= ~(OPTION_ERRORS); |
options &= ~(OPTION_ERRORS); |
239 |
} else if (!strncasecmp(line + match[2].rm_so, "expunge", 7)) { |
} else if (!strncasecmp(line + m[2].rm_so, "expunge", 7)) { |
240 |
if (!strncasecmp(line + match[3].rm_so, "yes", 3)) |
if (!strncasecmp(line + m[3].rm_so, "yes", 3)) |
241 |
options |= OPTION_EXPUNGE; |
options |= OPTION_EXPUNGE; |
242 |
else |
else |
243 |
options &= ~(OPTION_EXPUNGE); |
options &= ~(OPTION_EXPUNGE); |
244 |
} else if (!strncasecmp(line + match[2].rm_so, "header", 6)) { |
} else if (!strncasecmp(line + m[2].rm_so, "header", 6)) { |
245 |
if (!strncasecmp(line + match[3].rm_so, "yes", 3)) |
if (!strncasecmp(line + m[3].rm_so, "yes", 3)) |
246 |
options |= OPTION_HEADERS; |
options |= OPTION_HEADERS; |
247 |
else |
else |
248 |
options &= ~(OPTION_HEADERS); |
options &= ~(OPTION_HEADERS); |
249 |
} else if (!strncasecmp(line + match[2].rm_so, "namespace", 9)) { |
} else if (!strncasecmp(line + m[2].rm_so, "namespace", 9)) { |
250 |
if (!strncasecmp(line + match[3].rm_so, "yes", 3)) |
if (!strncasecmp(line + m[3].rm_so, "yes", 3)) |
251 |
options |= OPTION_NAMESPACE; |
options |= OPTION_NAMESPACE; |
252 |
else |
else |
253 |
options &= ~(OPTION_NAMESPACE); |
options &= ~(OPTION_NAMESPACE); |
254 |
} else if (!strncasecmp(line + match[2].rm_so, "subscribe", 9)) { |
} else if (!strncasecmp(line + m[2].rm_so, "subscribe", 9)) { |
255 |
if (!strncasecmp(line + match[3].rm_so, "yes", 3)) |
if (!strncasecmp(line + m[3].rm_so, "yes", 3)) |
256 |
options |= OPTION_SUBSCRIBE; |
options |= OPTION_SUBSCRIBE; |
257 |
else |
else |
258 |
options &= ~(OPTION_SUBSCRIBE); |
options &= ~(OPTION_SUBSCRIBE); |
259 |
} else if (!strncasecmp(line + match[2].rm_so, "warning", 7)) { |
} else if (!strncasecmp(line + m[2].rm_so, "warning", 7)) { |
260 |
if (!strncasecmp(line + match[3].rm_so, "yes", 3)) |
if (!strncasecmp(line + m[3].rm_so, "yes", 3)) |
261 |
options |= OPTION_WARNING; |
options |= OPTION_WARNING; |
262 |
else |
else |
263 |
options &= ~(OPTION_WARNING); |
options &= ~(OPTION_WARNING); |
264 |
} else if (!strncasecmp(line + match[2].rm_so, "timeout", 7)) { |
} else if (!strncasecmp(line + m[2].rm_so, "timeout", 7)) { |
265 |
errno = 0; |
errno = 0; |
266 |
timeout = strtol(line + match[3].rm_so, NULL, 10); |
timeout = strtol(line + m[3].rm_so, NULL, 10); |
267 |
if (errno) |
if (errno) |
268 |
timeout = 0; |
timeout = 0; |
269 |
} else if (!strncasecmp(line + match[2].rm_so, "daemon", 6) && |
} else if (!strncasecmp(line + m[2].rm_so, "daemon", 6) && |
270 |
!(options & OPTION_DAEMON_MODE)) { |
!(options & OPTION_DAEMON_MODE)) { |
271 |
options |= OPTION_DAEMON_MODE; |
options |= OPTION_DAEMON_MODE; |
272 |
errno = 0; |
errno = 0; |
273 |
interval = strtoul(line + match[3].rm_so, NULL, 10); |
interval = strtoul(line + m[3].rm_so, NULL, 10); |
274 |
if (errno) |
if (errno) |
275 |
interval = 0; |
interval = 0; |
276 |
} |
} |
277 |
} |
} |
278 |
|
|
279 |
|
|
281 |
/* |
/* |
282 |
* Open password file and call parse_passwords(). |
* Open password file and call parse_passwords(). |
283 |
*/ |
*/ |
284 |
int read_passwords(void) |
int |
285 |
|
read_passwords(void) |
286 |
{ |
{ |
287 |
FILE *fd; |
FILE *fd; |
288 |
char pwfile[PATH_MAX]; |
char pwfile[PATH_MAX]; |
289 |
|
|
290 |
if (!(flags & FLAG_BLANK_PASSWORD)) |
if (!(flags & FLAG_BLANK_PASSWORD)) |
291 |
return ERROR_CONFIG_PARSE; |
return ERROR_CONFIG_PARSE; |
292 |
|
|
293 |
passphr = (char *)smalloc(PASSPHRASE_LEN); |
passphr = (char *)smalloc(PASSPHRASE_LEN); |
294 |
*passphr = 0; |
*passphr = '\0'; |
295 |
|
|
296 |
snprintf(pwfile, PATH_MAX, "%s/%s", home, ".imapfilter/passwords"); |
snprintf(pwfile, PATH_MAX, "%s/%s", home, ".imapfilter/passwords"); |
297 |
#ifdef DEBUG |
#ifdef DEBUG |
298 |
fprintf(stderr, "debug: passwords file: '%s'\n", pwfile); |
fprintf(stderr, "debug: passwords file: '%s'\n", pwfile); |
299 |
#endif |
#endif |
300 |
|
|
301 |
if (!exists_file(pwfile)) |
if (!exists_file(pwfile)) |
302 |
return ERROR_FILE_OPEN; |
return ERROR_FILE_OPEN; |
303 |
|
|
304 |
#ifdef CHECK_PERMISSIONS |
#ifdef CHECK_PERMISSIONS |
305 |
check_file_perms(pwfile, S_IRUSR | S_IWUSR); |
check_file_perms(pwfile, S_IRUSR | S_IWUSR); |
306 |
#endif |
#endif |
307 |
|
|
308 |
fd = fopen(pwfile, "r"); |
fd = fopen(pwfile, "r"); |
309 |
|
if (fd == NULL) |
310 |
if (!fd) |
fatal(ERROR_FILE_OPEN, "opening passwords file %s; %s\n", |
311 |
fatal(ERROR_FILE_OPEN, "imapfilter: opening passwords file %s; %s\n", |
pwfile, strerror(errno)); |
|
pwfile, strerror(errno)); |
|
312 |
|
|
313 |
parse_passwords(fd); |
parse_passwords(fd); |
314 |
|
|
315 |
fclose(fd); |
fclose(fd); |
316 |
|
|
317 |
return 0; |
return 0; |
318 |
} |
} |
319 |
|
|
320 |
|
|
321 |
/* |
/* |
322 |
* Parse unencrypted password file. |
* Parse unencrypted password file. |
323 |
*/ |
*/ |
324 |
int parse_passwords(FILE * fd) |
int |
325 |
|
parse_passwords(FILE * fd) |
326 |
{ |
{ |
327 |
int t = 3; |
int t; |
328 |
char *pe = NULL; |
char *pe; |
329 |
char user[USERNAME_LEN], serv[SERVER_LEN]; |
char user[USERNAME_LEN], serv[SERVER_LEN]; |
330 |
unsigned char *buf; |
unsigned char *buf; |
331 |
char *c, *cp, *line; |
char *c, *cp, *line; |
332 |
regex_t creg; |
regex_t creg; |
333 |
regmatch_t match[4]; |
regmatch_t match[4]; |
334 |
const char *reg = "([[:alnum:].-]+) ([[:graph:]]+) ([[:graph:]]+)"; |
const char *reg; |
335 |
int r; |
int r; |
336 |
|
|
337 |
do { |
t = 3; |
338 |
fseek(fd, 0L, SEEK_SET); |
pe = NULL; |
339 |
printf("Enter master passphrase: "); |
reg = "([[:alnum:].-]+) ([[:graph:]]+) ([[:graph:]]+)"; |
340 |
get_password(passphr, PASSPHRASE_LEN); |
|
341 |
} while ((r = decrypt_passwords(&buf, fd)) && --t); |
|
342 |
|
do { |
343 |
if (!t) |
fseek(fd, 0L, SEEK_SET); |
344 |
return ERROR_PASSPHRASE; |
printf("Enter master passphrase: "); |
345 |
|
get_password(passphr, PASSPHRASE_LEN); |
346 |
c = cp = sstrdup(buf); |
} while ((r = decrypt_passwords(&buf, fd)) && --t != 0); |
347 |
|
|
348 |
regcomp(&creg, reg, REG_EXTENDED | REG_ICASE); |
if (!t) |
349 |
|
return ERROR_PASSPHRASE; |
350 |
line = strtok_r(c, "\n", &c); |
|
351 |
while (line && !regexec(&creg, line, 4, match, 0)) { |
c = cp = sstrdup(buf); |
352 |
user[0] = serv[0] = 0; |
|
353 |
|
regcomp(&creg, reg, REG_EXTENDED | REG_ICASE); |
354 |
strncat(serv, line + match[1].rm_so, |
|
355 |
min(match[1].rm_eo - match[1].rm_so, SERVER_LEN - 1)); |
line = strtok_r(c, "\n", &c); |
356 |
strncat(user, line + match[2].rm_so, |
while (line != NULL && !regexec(&creg, line, 4, match, 0)) { |
357 |
min(match[2].rm_eo - match[2].rm_so, USERNAME_LEN - 1)); |
user[0] = serv[0] = '\0'; |
358 |
|
|
359 |
|
strncat(serv, line + match[1].rm_so, |
360 |
|
min(match[1].rm_eo - match[1].rm_so, SERVER_LEN - 1)); |
361 |
|
strncat(user, line + match[2].rm_so, |
362 |
|
min(match[2].rm_eo - match[2].rm_so, USERNAME_LEN - 1)); |
363 |
|
|
364 |
|
if ((pe = (char *)find_password(user, serv))) |
365 |
|
strncat(pe, line + match[3].rm_so, |
366 |
|
min(match[3].rm_eo - match[3].rm_so, |
367 |
|
PASSWORD_LEN - 1)); |
368 |
|
|
369 |
if ((pe = (char *)find_password(user, serv))) |
line = strtok_r(NULL, "\n", &c); |
370 |
strncat(pe, line + match[3].rm_so, |
} |
|
min(match[3].rm_eo - match[3].rm_so, PASSWORD_LEN - 1)); |
|
|
|
|
|
line = strtok_r(NULL, "\n", &c); |
|
|
} |
|
371 |
|
|
372 |
regfree(&creg); |
regfree(&creg); |
373 |
sfree(cp); |
sfree(cp); |
374 |
sfree(buf); |
sfree(buf); |
375 |
|
|
376 |
return 0; |
return 0; |
377 |
} |
} |
378 |
|
|
379 |
|
|
380 |
/* |
/* |
381 |
* Store encrypted passwords to file. |
* Store encrypted passwords to file. |
382 |
*/ |
*/ |
383 |
int store_passwords(account_t * accts[]) |
int |
384 |
|
store_passwords(account_t * accts[]) |
385 |
{ |
{ |
386 |
char pwfile[PATH_MAX]; |
char pwfile[PATH_MAX]; |
387 |
FILE *fd; |
FILE *fd; |
388 |
|
|
389 |
snprintf(pwfile, PATH_MAX, "%s/%s", home, ".imapfilter/passwords"); |
snprintf(pwfile, PATH_MAX, "%s/%s", home, ".imapfilter/passwords"); |
390 |
|
|
391 |
create_file(pwfile, S_IRUSR | S_IWUSR); |
create_file(pwfile, S_IRUSR | S_IWUSR); |
392 |
|
|
393 |
fd = fopen(pwfile, "w"); |
fd = fopen(pwfile, "w"); |
394 |
|
|
395 |
if (!fd) |
if (fd == NULL) |
396 |
fatal(ERROR_FILE_OPEN, "imapfilter: opening passwords file %s; %s\n", |
fatal(ERROR_FILE_OPEN, "opening passwords file %s; %s\n", |
397 |
pwfile, strerror(errno)); |
pwfile, strerror(errno)); |
398 |
|
|
399 |
encrypt_passwords(fd, accts); |
encrypt_passwords(fd, accts); |
400 |
|
|
401 |
fclose(fd); |
fclose(fd); |
402 |
|
|
403 |
return 0; |
return 0; |
404 |
} |
} |
405 |
|
|
406 |
#endif /* ENCRYPTED_PASSWORDS */ |
#endif /* ENCRYPTED_PASSWORDS */ |
407 |
|
|
408 |
|
|
409 |
/* |
/* |
410 |
* Create $HOME/.imapfilter directory. |
* Create $HOME/.imapfilter directory. |
411 |
*/ |
*/ |
412 |
int create_homedir(void) |
int |
413 |
|
create_homedir(void) |
414 |
{ |
{ |
415 |
char *hdn = ".imapfilter"; |
char *hdn; |
416 |
|
|
417 |
if (home) |
hdn = ".imapfilter"; |
|
if (chdir(home)) |
|
|
error("imapfilter: could not change directory; %s\n", |
|
|
strerror(errno)); |
|
418 |
|
|
419 |
if (!exists_dir(hdn)) |
if (home != NULL) |
420 |
if (mkdir(hdn, S_IRUSR | S_IWUSR | S_IXUSR)) |
if (chdir(home)) |
421 |
error("imapfilter: could not create directory %s; %s\n", hdn, |
error("could not change directory; %s\n", |
422 |
strerror(errno)); |
strerror(errno)); |
423 |
|
|
424 |
|
if (!exists_dir(hdn)) |
425 |
|
if (mkdir(hdn, S_IRUSR | S_IWUSR | S_IXUSR)) |
426 |
|
error("could not create directory %s; %s\n", hdn, |
427 |
|
strerror(errno)); |
428 |
|
|
429 |
return 0; |
return 0; |
430 |
} |
} |
431 |
|
|
432 |
|
|
433 |
/* |
/* |
434 |
* Check if a file exists. |
* Check if a file exists. |
435 |
*/ |
*/ |
436 |
int exists_file(char *fname) |
int |
437 |
|
exists_file(char *fname) |
438 |
{ |
{ |
439 |
struct stat fs; |
struct stat fs; |
440 |
|
|
441 |
if (access(fname, F_OK)) |
if (access(fname, F_OK)) |
442 |
return 0; |
return 0; |
443 |
|
|
444 |
stat(fname, &fs); |
stat(fname, &fs); |
445 |
if (!S_ISREG(fs.st_mode)) { |
if (!S_ISREG(fs.st_mode)) { |
446 |
error("imapfilter: file %s not a regular file\n", fname); |
error("file %s not a regular file\n", fname); |
447 |
return ERROR_FILE_OPEN; |
return ERROR_FILE_OPEN; |
448 |
} |
} |
449 |
return 1; |
return 1; |
450 |
} |
} |
451 |
|
|
452 |
|
|
453 |
/* |
/* |
454 |
* Check if a directory exists. |
* Check if a directory exists. |
455 |
*/ |
*/ |
456 |
int exists_dir(char *dname) |
int |
457 |
|
exists_dir(char *dname) |
458 |
{ |
{ |
459 |
struct stat ds; |
struct stat ds; |
460 |
|
|
461 |
if (access(dname, F_OK)) |
if (access(dname, F_OK)) |
462 |
return 0; |
return 0; |
463 |
|
|
464 |
stat(dname, &ds); |
stat(dname, &ds); |
465 |
if (!S_ISDIR(ds.st_mode)) { |
if (!S_ISDIR(ds.st_mode)) { |
466 |
error("imapfilter: file %s not a directory\n", dname); |
error("file %s not a directory\n", dname); |
467 |
return ERROR_FILE_OPEN; |
return ERROR_FILE_OPEN; |
468 |
} |
} |
469 |
return 1; |
return 1; |
470 |
} |
} |
471 |
|
|
472 |
|
|
473 |
/* |
/* |
474 |
* Create a file with the specified permissions. |
* Create a file with the specified permissions. |
475 |
*/ |
*/ |
476 |
int create_file(char *fname, mode_t mode) |
int |
477 |
|
create_file(char *fname, mode_t mode) |
478 |
{ |
{ |
479 |
int fd = 0; |
int fd; |
480 |
|
|
481 |
|
fd = 0; |
482 |
|
|
483 |
if (!exists_file(fname)) { |
if (!exists_file(fname)) { |
484 |
fd = open(fname, O_CREAT | O_WRONLY | O_TRUNC, mode); |
fd = open(fname, O_CREAT | O_WRONLY | O_TRUNC, mode); |
485 |
if (fd == -1) { |
if (fd == -1) { |
486 |
error("imapfilter: could not create file %s; %s\n", fname, |
error("could not create file %s; %s\n", fname, |
487 |
strerror(errno)); |
strerror(errno)); |
488 |
return ERROR_FILE_OPEN; |
return ERROR_FILE_OPEN; |
489 |
} |
} |
490 |
close(fd); |
close(fd); |
491 |
} |
} |
492 |
return 0; |
return 0; |
493 |
} |
} |
494 |
|
|
495 |
|
|
497 |
/* |
/* |
498 |
* Check the permissions of a file. |
* Check the permissions of a file. |
499 |
*/ |
*/ |
500 |
int check_file_perms(char *fname, mode_t mode) |
int |
501 |
|
check_file_perms(char *fname, mode_t mode) |
502 |
{ |
{ |
503 |
struct stat fs; |
struct stat fs; |
504 |
|
|
505 |
if (stat(fname, &fs)) { |
if (stat(fname, &fs)) { |
506 |
error("imapfilter: getting file %s status; %s\n", fname, |
error("getting file %s status; %s\n", fname, |
507 |
strerror(errno)); |
strerror(errno)); |
508 |
return ERROR_TRIVIAL; |
return ERROR_TRIVIAL; |
509 |
} |
} |
510 |
if (!S_ISREG(fs.st_mode)) { |
if (!S_ISREG(fs.st_mode)) { |
511 |
error("imapfilter: file %s not a regular file\n", fname); |
error("file %s not a regular file\n", fname); |
512 |
return ERROR_TRIVIAL; |
return ERROR_TRIVIAL; |
513 |
} |
} |
514 |
if ((fs.st_mode & 00777) != mode) { |
if ((fs.st_mode & 00777) != mode) { |
515 |
error("imapfilter: warning: improper file %s permissions\n" |
error("warning: improper file %s permissions\n", fname); |
516 |
"imapfilter: warning: file's mode should be %o not %o\n", |
error("warning: file's mode should be %o not %o\n", mode, |
517 |
fname, mode, fs.st_mode & 00777); |
fs.st_mode & 00777); |
518 |
return ERROR_TRIVIAL; |
return ERROR_TRIVIAL; |
519 |
} |
} |
520 |
return 0; |
return 0; |
521 |
} |
} |
522 |
|
|
523 |
|
|
524 |
/* |
/* |
525 |
* Check the permissions of a directory. |
* Check the permissions of a directory. |
526 |
*/ |
*/ |
527 |
int check_dir_perms(char *dname, mode_t mode) |
int |
528 |
|
check_dir_perms(char *dname, mode_t mode) |
529 |
{ |
{ |
530 |
struct stat ds; |
struct stat ds; |
531 |
|
|
532 |
if (stat(dname, &ds)) { |
if (stat(dname, &ds)) { |
533 |
error("imapfilter: getting file %s status; %s\n", dname, |
error("getting file %s status; %s\n", dname, |
534 |
strerror(errno)); |
strerror(errno)); |
535 |
return ERROR_TRIVIAL; |
return ERROR_TRIVIAL; |
536 |
} |
} |
537 |
if (!S_ISDIR(ds.st_mode)) { |
if (!S_ISDIR(ds.st_mode)) { |
538 |
error("imapfilter: file %s not a directory\n", dname); |
error("file %s not a directory\n", dname); |
539 |
return ERROR_TRIVIAL; |
return ERROR_TRIVIAL; |
540 |
} |
} |
541 |
if ((ds.st_mode & 00777) != mode) { |
if ((ds.st_mode & 00777) != mode) { |
542 |
error("imapfilter: warning: improper dir %s permissions\n" |
error("warning: improper dir %s permissions\n", dname); |
543 |
"imapfilter: warning: file's mode should be %o not %o\n", |
error("warning: file's mode should be %o not %o\n", mode, |
544 |
dname, mode, ds.st_mode & 00777); |
ds.st_mode & 00777); |
545 |
return ERROR_TRIVIAL; |
return ERROR_TRIVIAL; |
546 |
} |
} |
547 |
return 0; |
return 0; |
548 |
} |
} |
549 |
|
|
550 |
#endif /* CHECK_PERMISSIONS */ |
#endif /* CHECK_PERMISSIONS */ |