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
|
/***************************************************************/
/* perk: PE Resource Kit */
/* Copyright (C) 2015--2025 SysDeer Technologies, LLC */
/* Released under GPLv2 and GPLv3; see COPYING.PERK. */
/***************************************************************/
#include <perk/perk.h>
#include <perk/perk_output.h>
#include "perk_driver_impl.h"
#include "perk_dprintf_impl.h"
#include "perk_errinfo_impl.h"
#include "perk_ar_impl.h"
static void pe_ar_member_not_found(
const struct pe_archive_meta * meta,
const char * name)
{
const struct pe_driver_ctx * dctx;
int fderr;
dctx = (pe_archive_meta_ictx(meta))->dctx;
if ((fderr = pe_driver_fderr(dctx)) >= 0)
pe_dprintf(
fderr,
"%s: error: member '%s' was not found in the current archive\n",
dctx->program,name);
}
static struct ar_meta_member_info * pe_ar_get_member_info(
const struct pe_archive_meta * meta,
const char * name)
{
struct ar_meta_member_info ** memberp;
const char * slash;
if ((slash = strrchr(name,'/')))
name = ++slash;
for (memberp=meta->a_memberv; *memberp; memberp++)
if (!strcmp(memberp[0]->ar_file_header.ar_member_name,name))
return *memberp;
pe_ar_member_not_found(meta,name);
return 0;
}
static int pe_ar_print_one_member_posix(
int fdout,
const struct pe_driver_ctx * dctx,
struct ar_meta_member_info * minfo)
{
ssize_t ret;
size_t cnt;
const char * ch;
ret = 0;
cnt = minfo->ar_file_header.ar_file_size;
ch = minfo->ar_object_data;
for (; cnt && ret>=0; ) {
ch += ret;
cnt -= ret;
ret = write(fdout,ch,cnt);
while ((ret < 0) && (errno == EINTR))
ret = write(fdout,ch,cnt);
}
if (ret < 0)
return PERK_SYSTEM_ERROR(dctx);
return 0;
}
static int pe_ar_print_one_member_posix_verbose(
int fdout,
const struct pe_driver_ctx * dctx,
struct ar_meta_member_info * minfo,
const char * aname)
{
const char * name = aname ? aname : minfo->ar_file_header.ar_member_name;
if (pe_dprintf(fdout,"\n<%s>\n\n",name) < 0)
return PERK_SYSTEM_ERROR(dctx);
if (pe_ar_print_one_member_posix(fdout,dctx,minfo) < 0)
return PERK_NESTED_ERROR(dctx);
return 0;
}
static int pe_ar_print_members_posix(
const struct pe_driver_ctx * dctx,
const struct pe_archive_meta * meta,
const struct pe_fd_ctx * fdctx,
const char ** members)
{
struct ar_meta_member_info ** memberp;
struct ar_meta_member_info * minfo;
const char ** pname;
int fdout;
bool fname;
fdout = fdctx->fdout;
fname = dctx->cctx->fmtflags & PERK_PRETTY_VERBOSE;
for (pname=members; pname && *pname; pname++) {
if ((minfo = pe_ar_get_member_info(meta,*pname))) {
switch (minfo->ar_member_attr) {
case AR_MEMBER_ATTR_ARMAP:
case AR_MEMBER_ATTR_LINKINFO:
case AR_MEMBER_ATTR_NAMESTRS:
break;
default:
if (fname) {
if (pe_ar_print_one_member_posix_verbose(
fdout,dctx,minfo,*pname) < 0)
return PERK_NESTED_ERROR(dctx);
} else {
if (pe_ar_print_one_member_posix(
fdout,dctx,minfo) < 0)
return PERK_NESTED_ERROR(dctx);
}
}
}
}
for (memberp=meta->a_memberv; !members && *memberp; memberp++) {
switch ((*memberp)->ar_member_attr) {
case AR_MEMBER_ATTR_ARMAP:
case AR_MEMBER_ATTR_LINKINFO:
case AR_MEMBER_ATTR_NAMESTRS:
break;
default:
if (fname) {
if (pe_ar_print_one_member_posix_verbose(
fdout,dctx,*memberp,0) < 0)
return PERK_NESTED_ERROR(dctx);
} else {
if (pe_ar_print_one_member_posix(
fdout,dctx,*memberp) < 0)
return PERK_NESTED_ERROR(dctx);
}
}
}
return 0;
}
int pe_ar_print_members(const struct pe_archive_meta * meta, const char ** members)
{
const struct pe_driver_ctx * dctx;
struct pe_fd_ctx fdctx;
const char ** pmember;
dctx = (pe_archive_meta_ictx(meta))->dctx;
if (pe_lib_get_driver_fdctx(dctx,&fdctx) < 0)
return PERK_NESTED_ERROR(dctx);
if (members && !members[0])
members = 0;
if (!meta->a_memberv) {
for (pmember=members; pmember && *pmember; pmember++)
pe_ar_member_not_found(meta,*pmember);
return members ? 1 : 0;
}
if (pe_ar_print_members_posix(dctx,meta,&fdctx,members) < 0)
return PERK_NESTED_ERROR(dctx);
return 0;
}
|
