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
|
/* cvm/module_output.c - Response formatting
* Copyright (C)2008 Bruce Guenter <bruce@untroubled.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "module.h"
#include "protocol.h"
unsigned char cvm_module_outbuffer[BUFSIZE];
unsigned cvm_module_outbuflen;
static unsigned char* outbufptr;
static int v1fact(unsigned number, const char* data, unsigned len)
{
/* Always leave room for a trailing NUL. */
if (cvm_module_outbuflen + len + 3 > BUFSIZE) {
cvm_module_outbuflen = BUFSIZE;
return 0;
}
cvm_module_outbuflen += len + 2;
*outbufptr++ = number;
memcpy(outbufptr, data, len);
outbufptr += len;
*outbufptr++ = 0;
return 1;
}
static int v2fact(unsigned number, const char* data, unsigned len)
{
/* Always leave room for a trailing zero type byte. */
if (cvm_module_outbuflen + len + 3 > BUFSIZE) {
cvm_module_outbuflen = BUFSIZE;
return 0;
}
cvm_module_outbuflen += len + 2;
*outbufptr++ = number;
*outbufptr++ = len;
memcpy(outbufptr, data, len);
outbufptr += len;
return 1;
}
static int (*fact)(unsigned,const char*,unsigned);
static void cvm1_fact_start(void)
{
fact = v1fact;
cvm_module_outbuflen = 1;
outbufptr = cvm_module_outbuffer + 1;
}
static void cvm2_fact_start(void)
{
fact = v2fact;
cvm_module_outbuflen = 0;
outbufptr = cvm_module_outbuffer;
v2fact(0, cvm_module_inbuffer+2, cvm_module_inbuffer[1]);
}
void cvm_module_fact_start(void)
{
if (cvm_module_inbuffer[0] == CVM2_PROTOCOL)
cvm2_fact_start();
else
cvm1_fact_start();
}
int cvm_module_fact_str(unsigned number, const char* data)
{
if (!data) return 0;
return fact(number, data, strlen(data));
}
void cvm_module_fact_end(unsigned code)
{
if (cvm_module_outbuflen >= BUFSIZE)
code = CVME_BAD_MODDATA;
cvm_module_outbuffer[0] = code;
*outbufptr++ = 0;
++cvm_module_outbuflen;
}
int cvm_module_fact_uint(unsigned number, unsigned long data)
{
char buf[64];
char* ptr;
if (!data)
return fact(number, "0", 1);
ptr = buf + 63;
*ptr-- = 0;
while (data) {
*ptr-- = (data % 10) + '0';
data /= 10;
}
++ptr;
return fact(number, ptr, buf+63-ptr);
}
|
