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
|
/*
Copyright (c) 1990-2000 Info-ZIP. All rights reserved.
See the accompanying file LICENSE, version 2000-Apr-09 or later
(the contents of which are also included in unzip.h) for terms of use.
If, for some reason, these files are missing, the Info-ZIP license
also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html
*/
#include <qdos.h>
#include <limits.h>
#include <string.h>
struct
{
short flag1;
short flag2;
long offset; // The offset from &ds to unzipsfx exe
long sfxlen; // size of unzipsfx program
long sfxdsiz; // data size of unzipsfx program
long sfxnam; // Name offset from start of sfxprog
long ziplen; // size of zip file
} ds = {0x4afb, 0x4afb, 0};
typedef struct {short len; char chrs[1];} __QP_t;
#define __QA(l) struct {short len; char chrs[(l)+1];}
#define T1 \
"\nThis is a self-extracting zip archive. In order to process the\n" \
"archive you will be asked to give the name of a temporary directory\n" \
"which must have at least as much free space as this SFX file.\n\n" \
"You will also be asked for the name of the directory to which the\n" \
"files are extracted. This directory _MUST_ exist. If you do not give\n" \
"an output directory, the current default is used.\n\n\n" \
"Device/directory for temporary files: "
#define T2 "Device/directory to extract to : "
#define T1LEN (sizeof(T1)-1)
#define T2LEN (sizeof(T2)-1)
static void xgetcwd (__QP_t *s)
{
extern char *_sys_var;
static __QP_t **q;
if (q = (__QP_t ** q) (_sys_var + 0xAC + 4))
{
memcpy (s->chrs, (*q)->chrs, (*q)->len);
s->len = (*q)->len;
*(s->chrs+s->len) = 0;
}
}
int checkdir(__QP_t *dir)
{
qdirect_t s;
int r,ch;
if(dir->len > 1)
{
if(*(dir->chrs + dir->len-2) == '_')
{
*(dir->chrs + dir->len-1) = 0;
dir->len--;
}
else
{
*(dir->chrs + dir->len-1) = '_';
}
}
else
{
xgetcwd(dir);
}
r = ERR_NF;
if((ch = io_open(dir->chrs, 4)) > 0)
{
if((r = fs_headr(ch, -1, &s, sizeof(s))) > 0)
{
r = (s.d_type == 0xff) ? 0 : ERR_NF;
}
io_close(ch);
}
return r;
}
int makesfx(__QP_t *tmp)
{
char *p = (char *)&ds;
char *q;
char txt[PATH_MAX];
int fd,r = 0;
qdirect_t qd;
memcpy(txt, tmp->chrs, tmp->len);
memcpy(txt+tmp->len, "SFX_EXE", 8);
q = p + ds.offset;
if((fd = io_open(txt, NEW_OVER)) > 0)
{
memcpy(txt+tmp->len+4, "DAT", 4);
memcpy(q+ds.sfxnam, txt, tmp->len+8);
fs_save(fd, q, ds.sfxlen);
qd.d_length = ds.sfxlen;
qd.d_datalen = ds.sfxdsiz;
qd.d_type = 1;
fs_heads(fd, -1, &qd, sizeof(qd));
io_close(fd);
if((fd = io_open(txt, NEW_OVER)) > 0)
{
q += ds.sfxlen;
fs_save(fd, q, ds.ziplen);
io_close(fd);
}
else r = fd;
}
else r = fd;
return r;
}
#define T3 "\n\nTo extract the files, run the command \"LRUN "
#define T4 "Press any key to exit "
#define T3LEN (sizeof(T3)-1)
#define T4LEN (sizeof(T4)-1)
int unpackit ( __QP_t *tmpdir, __QP_t *outdir, char *basfil, int con)
{
int ch, r = 0;
char c;
memcpy(basfil, tmpdir->chrs,tmpdir->len);
memcpy(basfil+tmpdir->len,"SFX_BAS", 8);
if((ch = io_open(basfil, NEW_OVER)) > 0)
{
char *p,txt[80];
int l;
p = txt;
*p++ = 'E';
*p++ = 'W';
*p++ = ' ';
memcpy(p, tmpdir->chrs, tmpdir->len);
p += tmpdir->len;
memcpy(p, "SFX_EXE;'-d ", 12);
p += 12;
memcpy(p, outdir->chrs, outdir->len);
p += outdir->len;
*p++ = '\'';
*p++ = '\n';
io_sstrg(ch, -1, txt, (int)(p-txt));
memcpy(txt, "delete ", 7);
p = txt + 7;
memcpy(p, tmpdir->chrs, tmpdir->len);
p += tmpdir->len;
memcpy(p, "SFX_EXE\n", 8);
p += 4;
l = (int)(p+4-txt);
io_sstrg(ch, -1, txt, l);
memcpy(p, "DAT\n", 4);
io_sstrg(ch, -1, txt, l);
memcpy(p, "BAS\n", 4);
io_sstrg(ch, -1, txt, l);
io_close(ch);
makesfx((__QP_t *)tmpdir);
}
else r = ch;
if(r == 0)
{
char t3[80];
char *p;
p = t3;
memcpy(p, T3, T3LEN);
p += T3LEN;
memcpy (p, basfil, tmpdir->len+7);
p += tmpdir->len+7;
*p++ = '"';
*p++ = '\n';
io_sstrg(con, -1, t3, (int)(p-t3));
}
io_sstrg(con, -1, T4, T4LEN);
io_fbyte(con, (5*60*50), &c);
return r;
}
int main(void)
{
int con;
int r,n;
__QA(PATH_MAX) tmpdir;
__QA(PATH_MAX) outdir;
char basfil[PATH_MAX];
con = io_open("con_480x160a16x38", 0);
sd_bordr(con, -1, 7, 2);
sd_clear(con, -1);
sd_cure (con, -1);
io_sstrg(con, -1, T1, T1LEN);
if((tmpdir.len = io_fline(con, -1, tmpdir.chrs, PATH_MAX-1)) > 1)
{
if((r = checkdir((__QP_t *)&tmpdir)) == 0)
{
io_sstrg(con, -1, T2, T2LEN);
if((outdir.len = io_fline(con, -1, outdir.chrs, PATH_MAX-1)) > 0)
{
if((r = checkdir((__QP_t *)&outdir)) == 0)
{
r = unpackit ((__QP_t *)&tmpdir, (__QP_t *)&outdir,
basfil, con);
}
}
}
}
sd_bordr(con, -1, 0, 0);
sd_clear(con, -1);
io_close(con);
return r;
}
|
