1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/* $Id: w3mhelperpanel.c,v 1.14 2007/05/31 01:19:50 inu Exp $ */
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "config.h"
#include "Str.h"
#include "indep.h"
#include "textlist.h"
#include "parsetag.h"
#include "myctype.h"
#if LANG == JA
/* FIXME: gettextize here */
#define MSG_TITLE "ӥ塼Խ"
#define MSG_NEW_ENTRY "Ͽ"
#define MSG_TYPE "ǡ"
#define MSG_COMMAND "ޥ"
#define MSG_REGISTER "Ͽ"
#define MSG_DELETE ""
#define MSG_DOIT "¹"
#else /* LANG != JA */
#define MSG_TITLE "External Viewers Setup"
#define MSG_NEW_ENTRY "New Entry"
#define MSG_TYPE "Type"
#define MSG_COMMAND "Command"
#define MSG_REGISTER "Register"
#define MSG_DELETE "Delete"
#define MSG_DOIT "Do it"
#endif /* LANG != JA */
static char *local_cookie;
static void
extractMailcapEntry(char *mcap_entry, char **type, char **cmd)
{
int j;
while (*mcap_entry && IS_SPACE(*mcap_entry))
mcap_entry++;
for (j = 0;
mcap_entry[j] && mcap_entry[j] != ';' && !IS_SPACE(mcap_entry[j]);
j++) ;
*type = allocStr(mcap_entry, j);
if (mcap_entry[j] == ';')
j++;
while (mcap_entry[j] && IS_SPACE(mcap_entry[j]))
j++;
*cmd = allocStr(&mcap_entry[j], -1);
}
static void
bye(const char *action, const char *mailcap)
{
printf("Content-Type: text/plain\n\n%s %s\n", action, mailcap);
exit(1);
}
static void
printMailcapPanel(char *mailcap)
{
FILE *f;
Str tmp;
char *type, *viewer;
if ((f = fopen(mailcap, "rt")) == NULL) {
if (errno != ENOENT)
bye("Can't open", mailcap);
if (!(f = fopen(mailcap, "a+"))) /* if $HOME/.mailcap is not found, make it now! */
bye("Can't open", mailcap);
{
char *SysMailcap = getenv("SYS_MAILCAP");
FILE *s = fopen(SysMailcap ? SysMailcap : "/etc/mailcap", "r");
if (s) {
char buffer[256];
while (fgets(buffer, sizeof buffer, s)) /* Copy system mailcap to */
fputs(buffer, f); /* users' new one */
fclose(s);
rewind(f);
}
}
}
#if LANG == JA
/* FIXME: gettextize here */
printf("Content-Type: text/html; charset=EUC-JP\n\n");
#else
printf("Content-Type: text/html\n\n");
#endif
printf("<html>\n<head>\n<title>%s</title>\n</head>\n<body>\n<h1>%s</h1>\n",
MSG_TITLE, MSG_TITLE);
printf("<form method=post action=\"file:///$LIB/" W3MHELPERPANEL_CMDNAME
"\">\n");
printf("<input type=hidden name=mode value=edit>\n");
printf("<input type=hidden name=cookie value=\"%s\">\n",
html_quote(local_cookie));
printf("<table>\n<tr><td>%s:<td>%s=<input type=text name=newtype size=40>\n\
<tr><td><td>%s=<input type=text name=newcmd size=40>\n\
<tr><td><input type=submit name=submit value=\"%s\">\n</table>\n",
MSG_NEW_ENTRY, MSG_TYPE, MSG_COMMAND, MSG_REGISTER);
printf("<p><hr width=50%%><p>\n<table border='0' cellpadding='0'>\n\
<tr><th align=left><b>%s</b><th><b>%s</b>\n",
MSG_TYPE, MSG_COMMAND);
while (tmp = Strfgets(f), tmp->length > 0) {
if (tmp->ptr[0] == '#')
continue;
Strchop(tmp);
extractMailcapEntry(tmp->ptr, &type, &viewer);
printf("<tr valign=top><td>%s<td>%s<td nowrap>", html_quote(type),
html_quote(viewer));
printf("<input type=checkbox name=delete value=\"%s\">%s\n",
html_quote(type), MSG_DELETE);
}
printf("</table>\n<input type=submit name=submit value=\"%s\">\n</form>\n\
</body>\n</html>\n",
MSG_DOIT);
fclose(f);
}
static void
editMailcap(char *mailcap, struct parsed_tagarg *args)
{
TextList *t = newTextList();
TextListItem *ti;
FILE *f;
Str tmp;
char *type, *viewer;
struct parsed_tagarg *a;
int delete_it;
if ((f = fopen(mailcap, "rt")) == NULL)
bye("Can't open", mailcap);
while (tmp = Strfgets(f), tmp->length > 0) {
if (tmp->ptr[0] == '#')
continue;
Strchop(tmp);
extractMailcapEntry(tmp->ptr, &type, &viewer);
delete_it = 0;
for (a = args; a != NULL; a = a->next) {
if (!strcmp(a->arg, "delete") && !strcmp(a->value, type)) {
delete_it = 1;
break;
}
}
if (!delete_it)
pushText(t, Sprintf("%s;\t%s\n", type, viewer)->ptr);
}
type = tag_get_value(args, "newtype");
viewer = tag_get_value(args, "newcmd");
if (type != NULL && *type != '\0' && viewer != NULL && *viewer != '\0')
pushText(t, Sprintf("%s;\t%s\n", type, viewer)->ptr);
fclose(f);
if ((f = fopen(mailcap, "w")) == NULL)
bye("Can't write to", mailcap);
for (ti = t->first; ti != NULL; ti = ti->next)
fputs(ti->ptr, f);
fclose(f);
printf("Content-Type: text/plain\n");
printf("w3m-control: BACK\nw3m-control: BACK\n");
printf("w3m-control: REINIT MAILCAP\n");
}
int
main(void)
{
Str mailcapfile;
extern char *getenv();
char *p;
int length;
Str qs = NULL;
struct parsed_tagarg *cgiarg;
char *mode;
char *sent_cookie;
GC_INIT();
p = getenv("REQUEST_METHOD");
if (p == NULL || strcasecmp(p, "post"))
goto request_err;
p = getenv("CONTENT_LENGTH");
if (p == NULL || (length = atoi(p)) <= 0)
goto request_err;
qs = Strfgets(stdin);
Strchop(qs);
if (qs->length != length)
goto request_err;
cgiarg = cgistr2tagarg(qs->ptr);
p = getenv("LOCAL_COOKIE_FILE");
if (p) {
FILE *f = fopen(p, "r");
if (f) {
local_cookie = Strfgets(f)->ptr;
fclose(f);
}
}
sent_cookie = tag_get_value(cgiarg, "cookie");
if (local_cookie == NULL || sent_cookie == NULL ||
strcmp(local_cookie, sent_cookie) != 0) {
/* Local cookie doesn't match */
bye("Local cookie doesn't match: It may be an illegal execution", "");
}
mode = tag_get_value(cgiarg, "mode");
mailcapfile = Strnew_charp(expandPath(USER_MAILCAP));
if (mode && !strcmp(mode, "edit")) {
char *referer;
/* check if I can edit my mailcap */
if ((referer = getenv("HTTP_REFERER")) != NULL) {
if (strncmp(referer, "file://", 7) != 0 &&
strncmp(referer, "exec://", 7) != 0) {
/* referer is not file: nor exec: */
bye("It may be an illegal execution\n referer=", referer);
}
}
/* edit mailcap */
editMailcap(mailcapfile->ptr, cgiarg);
}
else {
/* initial panel */
printMailcapPanel(mailcapfile->ptr);
}
return 0;
request_err:
bye("Incomplete Request:", qs ? qs->ptr : "(null)");
exit(1);
}
|
