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
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
/****************************************************************
* *
* Copyright (c) 2001-2021 Fidelity National Information *
* Services, Inc. and/or its subsidiaries. All rights reserved. *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "gtm_string.h"
#include <errno.h>
#include "gtm_stdio.h"
#include "gtm_stdlib.h"
#include "gtm_unistd.h"
#include "io.h"
#include "iosp.h"
#include "iormdef.h"
#include "iormdefsp.h"
#include "gtmio.h"
#include "gtmcrypt.h"
#include "send_msg.h"
#include "error.h"
#include "svnames.h"
#include "op.h"
#include "util.h"
#ifdef UTF8_SUPPORTED
#include "gtm_conv.h"
#include "gtm_utf8.h"
#endif
GBLREF boolean_t prin_in_dev_failure, prin_out_dev_failure;
GBLREF io_pair io_std_device;
GBLREF mval dollar_zstatus;
#ifdef UTF8_SUPPORTED
GBLREF UConverter *chset_desc[];
LITREF mstr chset_names[];
#endif
error_def(ERR_CRYPTBADWRTPOS);
error_def(ERR_DEVICEREADONLY);
error_def(ERR_NOPRINCIO);
error_def(ERR_NOTTOEOFONPUT);
error_def(ERR_SYSCALL);
void iorm_wteol(int4 x,io_desc *iod)
{
int i, fixed_pad, fixed_pad_bytes, bytes_per_char, avail_bytes, pad_size, res_size;
int status, outbytes, len;
char *outstr, temppad, temppadarray[2], *out_ptr;
d_rm_struct *rm_ptr;
unsigned int *dollarx_ptr;
unsigned int *dollary_ptr;
struct stat statbuf;
int fstat_res, save_errno;
boolean_t ch_set;
ESTABLISH_GTMIO_CH(&iod->pair, ch_set);
# ifdef __MVS__
/* on zos if it is a fifo device then point to the pair.out for $X and $Y */
if (((d_rm_struct *)iod->dev_sp)->fifo)
{
dollarx_ptr = &(iod->pair.out->dollar.x);
dollary_ptr = &(iod->pair.out->dollar.y);
rm_ptr = (d_rm_struct *) (iod->pair.out)->dev_sp;
iod = iod->pair.out;
} else
# endif
{
dollarx_ptr = &(iod->dollar.x);
dollary_ptr = &(iod->dollar.y);
rm_ptr = (d_rm_struct *)iod->dev_sp;
}
if (rm_ptr->read_only)
RTS_ERROR_CSA_ABT(NULL, VARLSTCNT(1) ERR_DEVICEREADONLY);
if ((!rm_ptr->fifo) && (!rm_ptr->is_pipe) && rm_ptr->output_encrypted)
{
if (!iod->dollar.zeof)
{
iod->dollar.za = ZA_IO_ERR;
RTS_ERROR_CSA_ABT(NULL, VARLSTCNT(1) ERR_NOTTOEOFONPUT);
} else
{ /* If there have not been any writes, and input encryption attributes are different from those for output,
* and the file is not empty, disallow the write.
*/
if ((!rm_ptr->write_occurred)
&& ((!rm_ptr->input_encrypted)
|| (rm_ptr->input_iv.len != rm_ptr->output_iv.len)
|| memcmp(rm_ptr->input_iv.addr, rm_ptr->output_iv.addr, rm_ptr->input_iv.len)
|| (((rm_ptr->input_key.len != rm_ptr->output_key.len)
|| memcmp(rm_ptr->input_key.addr, rm_ptr->output_key.addr, rm_ptr->input_key.len))
&& (!GTMCRYPT_SAME_KEY(rm_ptr->input_cipher_handle, rm_ptr->output_cipher_handle)))))
{
FSTAT_FILE(rm_ptr->fildes, &statbuf, fstat_res);
if (-1 == fstat_res)
{
save_errno = errno;
SET_DOLLARDEVICE_ONECOMMA_STRERROR(iod, save_errno);
RTS_ERROR_CSA_ABT(NULL, VARLSTCNT(8) ERR_SYSCALL, 5, RTS_ERROR_LITERAL("fstat"),
CALLFROM, save_errno);
}
if (0 != statbuf.st_size)
{
SET_DOLLARDEVICE_ERRSTR(iod, ONE_COMMA_CRYPTBADWRTPOS);
RTS_ERROR_CSA_ABT(NULL, VARLSTCNT(1) ERR_CRYPTBADWRTPOS);
}
}
}
}
rm_ptr->lastop = RM_WRITE;
# ifdef __MVS__
if (CHSET_BINARY != iod->process_chset)
{
# endif
for (i = 0; i < x; i++)
{
# ifdef UTF8_SUPPORTED
if (IS_UTF_CHSET(iod->ochset))
{
if (!rm_ptr->done_1st_write)
{
if (CHSET_UTF16 == iod->ochset)
{ /* write BE BOM this is in raw bytes */
out_ptr = UTF16BE_BOM;
if (rm_ptr->output_encrypted)
{
REALLOC_CRYPTBUF_IF_NEEDED(UTF16BE_BOM_LEN);
WRITE_ENCRYPTED_DATA(rm_ptr, iod->trans_name, out_ptr, UTF16BE_BOM_LEN,
pvt_crypt_buf.addr);
out_ptr = pvt_crypt_buf.addr;
}
DOWRITERL_RM(rm_ptr, out_ptr, UTF16BE_BOM_LEN, res_size);
ISSUE_NOPRINCIO_IF_NEEDED_RM(res_size, <=, iod);
rm_ptr->write_occurred = TRUE;
iod->ochset = CHSET_UTF16BE;
get_chset_desc(&chset_names[iod->ochset]);
}
rm_ptr->done_1st_write = TRUE;
}
if (rm_ptr->fixed)
{
fixed_pad = iod->width - *dollarx_ptr;
bytes_per_char = (CHSET_UTF8 == iod->ochset) ? 1 : 2;
fixed_pad_bytes = fixed_pad * bytes_per_char;
avail_bytes = rm_ptr->recordsize - rm_ptr->out_bytes;
if (avail_bytes < fixed_pad_bytes)
fixed_pad = avail_bytes / bytes_per_char;
for ( ; fixed_pad > 0; fixed_pad -= pad_size)
{
pad_size = (fixed_pad > TAB_BUF_SZ) ? TAB_BUF_SZ : fixed_pad;
res_size = iorm_write_utf_ascii(iod, (char *)RM_SPACES_BLOCK, pad_size);
assert(res_size == pad_size * bytes_per_char);
}
if (rm_ptr->out_bytes < rm_ptr->recordsize)
{ /* padding bytes needed */
temppad = rm_ptr->padchar;
if (CHSET_UTF16LE == iod->ochset)
{
temppadarray[0] = temppad;
temppadarray[1] = '\0';
assert(2 == bytes_per_char);
} else if (CHSET_UTF16BE == iod->ochset)
{
temppadarray[0] = '\0';
temppadarray[1] = temppad;
assert(2 == bytes_per_char);
} else
{
assert(CHSET_UTF8 == iod->ochset);
temppadarray[0] = temppad;
assert(1 == bytes_per_char);
}
for ( ; rm_ptr->out_bytes < rm_ptr->recordsize; rm_ptr->out_bytes += bytes_per_char)
{
out_ptr = temppadarray;
if (rm_ptr->output_encrypted)
{
REALLOC_CRYPTBUF_IF_NEEDED(bytes_per_char);
WRITE_ENCRYPTED_DATA(rm_ptr, iod->trans_name, out_ptr, bytes_per_char,
pvt_crypt_buf.addr);
out_ptr = pvt_crypt_buf.addr;
}
DOWRITERC_RM(rm_ptr, out_ptr, bytes_per_char, status);
ISSUE_NOPRINCIO_IF_NEEDED_RM(status, ==, iod);
rm_ptr->write_occurred = TRUE;
}
assert(rm_ptr->out_bytes == rm_ptr->recordsize);
}
} else
{
iorm_write_utf_ascii(iod, RMEOL, STRLEN(RMEOL));
}
rm_ptr->out_bytes = 0;
} else
# endif
if (rm_ptr->fixed)
{
for (fixed_pad = iod->width - *dollarx_ptr; fixed_pad > 0; fixed_pad -= res_size)
{
pad_size = (fixed_pad > TAB_BUF_SZ) ? TAB_BUF_SZ : fixed_pad;
out_ptr = (char *)(RM_SPACES_BLOCK);
if (rm_ptr->output_encrypted)
{
REALLOC_CRYPTBUF_IF_NEEDED(pad_size);
WRITE_ENCRYPTED_DATA(rm_ptr, iod->trans_name, out_ptr, pad_size, pvt_crypt_buf.addr);
out_ptr = pvt_crypt_buf.addr;
}
DOWRITERL_RM(rm_ptr, out_ptr, pad_size, res_size);
ISSUE_NOPRINCIO_IF_NEEDED_RM(res_size, <=, iod);
rm_ptr->write_occurred = TRUE;
assert(res_size == pad_size);
}
} else
{
out_ptr = RMEOL;
if (rm_ptr->output_encrypted)
{
REALLOC_CRYPTBUF_IF_NEEDED(RMEOL_LEN);
WRITE_ENCRYPTED_DATA(rm_ptr, iod->trans_name, out_ptr, RMEOL_LEN, pvt_crypt_buf.addr);
out_ptr = pvt_crypt_buf.addr;
}
DOWRITERC_RM(rm_ptr, out_ptr, RMEOL_LEN, status);
ISSUE_NOPRINCIO_IF_NEEDED_RM(status, ==, iod);
rm_ptr->write_occurred = TRUE;
}
*dollarx_ptr = 0;
}
# ifdef __MVS__
} else
*dollarx_ptr = 0; /* just reset $X for BINARY */
# endif
iod->dollar.za = 0;
*dollary_ptr += x;
if (iod->length)
*dollary_ptr %= iod->length;
REVERT_GTMIO_CH(&iod->pair, ch_set);
return;
}
|
