1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved.
24 */
25
26 #include <string.h>
27 #include "_conv.h"
28 #include "dl_msg.h"
29
30 #define MODESZ CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
31 MSG_RTLD_LAZY_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
32 MSG_RTLD_GLOBAL_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
33 MSG_RTLD_NOLOAD_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
34 MSG_RTLD_PARENT_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
35 MSG_RTLD_GROUP_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
36 MSG_RTLD_WORLD_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
37 MSG_RTLD_NODELETE_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
38 MSG_RTLD_FIRST_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
39 MSG_RTLD_CONFGEN_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
40 CONV_INV_BUFSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE
41
42
43 /*
44 * Ensure that Conv_dl_mode_buf_t is large enough:
45 *
46 * MODESZ is the real minimum size of the buffer required by conv_dl_mode().
47 * However, Conv_dl_mode_buf_t uses CONV_DL_MODE_BUFSIZE to set the
48 * buffer size. We do things this way because the definition of MODESZ uses
49 * information that is not available in the environment of other programs
50 * that include the conv.h header file.
51 */
52 #if (CONV_DL_MODE_BUFSIZE != MODESZ) && !defined(__lint)
53 #define REPORT_BUFSIZE MODESZ
54 #include "report_bufsize.h"
55 #error "CONV_DL_MODE_BUFSIZE does not match MODESZ"
56 #endif
57
58 /*
59 * String conversion routine for dlopen() attributes.
60 */
61 const char *
conv_dl_mode(int mode,int fabricate,Conv_dl_mode_buf_t * dl_mode_buf)62 conv_dl_mode(int mode, int fabricate, Conv_dl_mode_buf_t *dl_mode_buf)
63 {
64 static const Val_desc vda[] = {
65 { RTLD_NOLOAD, MSG_RTLD_NOLOAD },
66 { RTLD_PARENT, MSG_RTLD_PARENT },
67 { RTLD_GROUP, MSG_RTLD_GROUP },
68 { RTLD_WORLD, MSG_RTLD_WORLD },
69 { RTLD_NODELETE, MSG_RTLD_NODELETE },
70 { RTLD_FIRST, MSG_RTLD_FIRST },
71 { RTLD_CONFGEN, MSG_RTLD_CONFGEN },
72 { 0, 0 }
73 };
74 static const char *leading_str_arr[3];
75 static CONV_EXPN_FIELD_ARG conv_arg = {
76 NULL, sizeof (dl_mode_buf->buf), leading_str_arr };
77
78 const char **lstr = leading_str_arr;
79
80 conv_arg.buf = dl_mode_buf->buf;
81 conv_arg.oflags = conv_arg.rflags = mode;
82
83
84 if (mode & RTLD_NOW) {
85 *lstr++ = MSG_ORIG(MSG_RTLD_NOW);
86 } else if ((mode & RTLD_LAZY) || fabricate) {
87 *lstr++ = MSG_ORIG(MSG_RTLD_LAZY);
88 }
89 if (mode & RTLD_GLOBAL) {
90 *lstr++ = MSG_ORIG(MSG_RTLD_GLOBAL);
91 } else if (fabricate) {
92 *lstr++ = MSG_ORIG(MSG_RTLD_LOCAL);
93 }
94 *lstr = NULL;
95 conv_arg.oflags = mode;
96 conv_arg.rflags = mode & ~(RTLD_LAZY | RTLD_NOW | RTLD_GLOBAL);
97
98 (void) conv_expn_field(&conv_arg, vda, 0);
99
100 return ((const char *)dl_mode_buf->buf);
101 }
102
103 /*
104 * Note: We can use two different sets of prefix/separator/suffix
105 * strings in conv_dl_flag(), depending on the value of the separator
106 * argument. To size the buffer, I use the default prefix and suffix
107 * sizes, and the alternate separator size, because they are larger.
108 */
109
110 #define FLAGSZ CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
111 MSG_RTLD_REL_RELATIVE_SIZE + MSG_GBL_SEP_SIZE + \
112 MSG_RTLD_REL_EXEC_SIZE + MSG_GBL_SEP_SIZE + \
113 MSG_RTLD_REL_DEPENDS_SIZE + MSG_GBL_SEP_SIZE + \
114 MSG_RTLD_REL_PRELOAD_SIZE + MSG_GBL_SEP_SIZE + \
115 MSG_RTLD_REL_SELF_SIZE + MSG_GBL_SEP_SIZE + \
116 MSG_RTLD_REL_WEAK_SIZE + MSG_GBL_SEP_SIZE + \
117 MSG_RTLD_MEMORY_SIZE + MSG_GBL_SEP_SIZE + \
118 MSG_RTLD_STRIP_SIZE + MSG_GBL_SEP_SIZE + \
119 MSG_RTLD_NOHEAP_SIZE + MSG_GBL_SEP_SIZE + \
120 MSG_RTLD_CONFSET_SIZE + \
121 CONV_INV_BUFSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE
122
123 /*
124 * Ensure that Conv_dl_flag_buf_t is large enough:
125 *
126 * FLAGSZ is the real minimum size of the buffer required by conv_dl_flag().
127 * However, Conv_dl_flag_buf_t uses CONV_DL_FLAG_BUFSIZE to set the
128 * buffer size. We do things this way because the definition of FLAGSZ uses
129 * information that is not available in the environment of other programs
130 * that include the conv.h header file.
131 */
132 #if (CONV_DL_FLAG_BUFSIZE != FLAGSZ) && !defined(__lint)
133 #define REPORT_BUFSIZE FLAGSZ
134 #include "report_bufsize.h"
135 #error "CONV_DL_FLAG_BUFSIZE does not match FLAGSZ"
136 #endif
137
138 /*
139 * String conversion routine for dldump() flags.
140 * crle(1) uses this routine to generate update information, and in this case
141 * we build a "|" separated string.
142 */
143 const char *
conv_dl_flag(int flags,Conv_fmt_flags_t fmt_flags,Conv_dl_flag_buf_t * dl_flag_buf)144 conv_dl_flag(int flags, Conv_fmt_flags_t fmt_flags,
145 Conv_dl_flag_buf_t *dl_flag_buf)
146 {
147 static const Val_desc vda[] = {
148 { RTLD_REL_RELATIVE, MSG_RTLD_REL_RELATIVE },
149 { RTLD_REL_EXEC, MSG_RTLD_REL_EXEC },
150 { RTLD_REL_DEPENDS, MSG_RTLD_REL_DEPENDS },
151 { RTLD_REL_PRELOAD, MSG_RTLD_REL_PRELOAD },
152 { RTLD_REL_SELF, MSG_RTLD_REL_SELF },
153 { RTLD_REL_WEAK, MSG_RTLD_REL_WEAK },
154 { RTLD_MEMORY, MSG_RTLD_MEMORY },
155 { RTLD_STRIP, MSG_RTLD_STRIP },
156 { RTLD_NOHEAP, MSG_RTLD_NOHEAP },
157 { RTLD_CONFSET, MSG_RTLD_CONFSET },
158 { 0, 0 }
159 };
160 static const char *leading_str_arr[2];
161 static CONV_EXPN_FIELD_ARG conv_arg = {
162 NULL, sizeof (dl_flag_buf->buf), leading_str_arr };
163
164 const char **lstr = leading_str_arr;
165
166 if (flags == 0)
167 return (MSG_ORIG(MSG_GBL_ZERO));
168
169 conv_arg.buf = dl_flag_buf->buf;
170 if (CONV_TYPE_FMT_ALT(fmt_flags) == CONV_FMT_ALT_CRLE) {
171 conv_arg.prefix = conv_arg.suffix = MSG_ORIG(MSG_GBL_QUOTE);
172 conv_arg.sep = MSG_ORIG(MSG_GBL_SEP);
173 } else { /* Use default delimiters */
174 conv_arg.prefix = conv_arg.suffix = conv_arg.sep = NULL;
175 }
176
177 if ((flags & RTLD_REL_ALL) == RTLD_REL_ALL) {
178 *lstr++ = MSG_ORIG(MSG_RTLD_REL_ALL);
179 flags &= ~RTLD_REL_ALL;
180 }
181 *lstr = NULL;
182 conv_arg.oflags = conv_arg.rflags = flags;
183
184 (void) conv_expn_field(&conv_arg, vda, fmt_flags);
185
186 return ((const char *)dl_flag_buf->buf);
187 }
188
189 const char *
conv_dl_info(int request)190 conv_dl_info(int request)
191 {
192 static const Msg requests[RTLD_DI_MAX] = {
193 MSG_RTLD_DI_LMID, /* MSG_ORIG(MSG_RTLD_DI_LMID) */
194 MSG_RTLD_DI_LINKMAP, /* MSG_ORIG(MSG_RTLD_DI_LINKMAP) */
195 MSG_RTLD_DI_CONFIGADDR, /* MSG_ORIG(MSG_RTLD_DI_CONFIGADDR) */
196 MSG_RTLD_DI_SERINFO, /* MSG_ORIG(MSG_RTLD_DI_SERINFO) */
197 MSG_RTLD_DI_SERINFOSIZE, /* MSG_ORIG(MSG_RTLD_DI_SERINFOSIZE) */
198 MSG_RTLD_DI_ORIGIN, /* MSG_ORIG(MSG_RTLD_DI_ORIGIN) */
199 MSG_RTLD_DI_PROFILENAME, /* MSG_ORIG(MSG_RTLD_DI_PROFILENAME) */
200 MSG_RTLD_DI_PROFILEOUT, /* MSG_ORIG(MSG_RTLD_DI_PROFILEOUT) */
201 MSG_RTLD_DI_GETSIGNAL, /* MSG_ORIG(MSG_RTLD_DI_GETSIGNAL) */
202 MSG_RTLD_DI_SETSIGNAL, /* MSG_ORIG(MSG_RTLD_DI_SETSIGNAL) */
203 MSG_RTLD_DI_ARGSINFO, /* MSG_ORIG(MSG_RTLD_DI_ARGSINFO) */
204 MSG_RTLD_DI_MMAPS, /* MSG_ORIG(MSG_RTLD_DI_MMAPS) */
205 MSG_RTLD_DI_MMAPCNT, /* MSG_ORIG(MSG_RTLD_DI_MMAPCNT) */
206 MSG_RTLD_DI_DEFERRED, /* MSG_ORIG(MSG_RTLD_DI_DEFERRED) */
207 MSG_RTLD_DI_DEFERRED_SYM
208 /* MSG_ORIG(MSG_RTLD_DI_DEFERRED_SYM) */
209 };
210 static Conv_inv_buf_t inv_buf;
211
212 #if (RTLD_DI_MAX != RTLD_DI_DEFERRED_SYM)
213 #error "RTLD_DI_MAX has grown"
214 #endif
215 if (request && (request <= RTLD_DI_MAX))
216 return (MSG_ORIG(requests[request - 1]));
217
218 (void) conv_invalid_val(&inv_buf, EC_NATPTR(request), 0);
219 return (inv_buf.buf);
220 }
221