Mercurial > dovecot > core-2.2
annotate src/lib/strescape.c @ 8590:b9faf4db2a9f HEAD
Updated copyright notices to include year 2009.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Tue, 06 Jan 2009 09:25:38 -0500 |
parents | 7ed926ed7aa4 |
children | 2dcf2f313329 |
rev | line source |
---|---|
8590
b9faf4db2a9f
Updated copyright notices to include year 2009.
Timo Sirainen <tss@iki.fi>
parents:
7086
diff
changeset
|
1 /* Copyright (c) 2003-2009 Dovecot authors, see the included COPYING file */ |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
2 |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
3 #include "lib.h" |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
4 #include "str.h" |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
5 #include "strescape.h" |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
6 |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
7 const char *str_escape(const char *str) |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
8 { |
1329
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
9 const char *p; |
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
10 string_t *ret; |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
11 |
1329
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
12 /* see if we need to quote it */ |
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
13 for (p = str; *p != '\0'; p++) { |
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
14 if (IS_ESCAPED_CHAR(*p)) |
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
15 break; |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
16 } |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
17 |
1329
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
18 if (*p == '\0') |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
19 return str; |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
20 |
1329
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
21 /* quote */ |
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
22 ret = t_str_new((size_t) (p - str) + 128); |
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
23 str_append_n(ret, str, (size_t) (p - str)); |
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
24 |
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
25 for (; *p != '\0'; p++) { |
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
26 if (IS_ESCAPED_CHAR(*p)) |
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
27 str_append_c(ret, '\\'); |
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
28 str_append_c(ret, *p); |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
29 } |
1329
ae229b7acb4c
Mailbox names are now sent through imap-quoter instead of just escaping it.
Timo Sirainen <tss@iki.fi>
parents:
1216
diff
changeset
|
30 return str_c(ret); |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
31 } |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
32 |
903
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
898
diff
changeset
|
33 void str_append_unescaped(string_t *dest, const void *src, size_t src_size) |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
34 { |
898
0d5be52d7131
Use unsigned char* when accessing non-NUL terminating strings. Compiler
Timo Sirainen <tss@iki.fi>
parents:
896
diff
changeset
|
35 const unsigned char *src_c = src; |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
36 size_t start = 0, i = 0; |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
37 |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
38 while (i < src_size) { |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
39 start = i; |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
40 for (; i < src_size; i++) { |
898
0d5be52d7131
Use unsigned char* when accessing non-NUL terminating strings. Compiler
Timo Sirainen <tss@iki.fi>
parents:
896
diff
changeset
|
41 if (src_c[i] == '\\') |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
42 break; |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
43 } |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
44 |
898
0d5be52d7131
Use unsigned char* when accessing non-NUL terminating strings. Compiler
Timo Sirainen <tss@iki.fi>
parents:
896
diff
changeset
|
45 str_append_n(dest, src_c + start, i-start); |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
46 |
1651 | 47 if (i < src_size) |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
48 i++; |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
49 start = i; |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
50 } |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
51 } |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
52 |
1216 | 53 char *str_unescape(char *str) |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
54 { |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
55 /* @UNSAFE */ |
1216 | 56 char *dest, *start = str; |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
57 |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
58 while (*str != '\\') { |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
59 if (*str == '\0') |
1216 | 60 return start; |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
61 str++; |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
62 } |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
63 |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
64 for (dest = str; *str != '\0'; str++) { |
1651 | 65 if (*str == '\\' && str[1] != '\0') |
66 str++; | |
67 | |
68 *dest++ = *str; | |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
69 } |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
70 |
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
71 *dest = '\0'; |
1216 | 72 return start; |
896
21ffcce83c70
Rewrote rfc822-tokenize.c to work one token at a time so it won't uselessly
Timo Sirainen <tss@iki.fi>
parents:
diff
changeset
|
73 } |