diff options
Diffstat (limited to 'usr.bin/ldd/ldd_elfxx.c')
| -rw-r--r-- | usr.bin/ldd/ldd_elfxx.c | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/usr.bin/ldd/ldd_elfxx.c b/usr.bin/ldd/ldd_elfxx.c deleted file mode 100644 index d5def64..0000000 --- a/usr.bin/ldd/ldd_elfxx.c +++ /dev/null @@ -1,269 +0,0 @@ -/* $NetBSD: ldd_elfxx.c,v 1.7 2017/01/10 21:11:25 christos Exp $ */ - -/*- - * Copyright (c) 1998, 2000 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Paul Kranenburg. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -/* - * Copyright 1996 John D. Polstra. - * Copyright 1996 Matt Thomas <matt@3am-software.com> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by John Polstra. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -#ifndef lint -__RCSID("$NetBSD: ldd_elfxx.c,v 1.7 2017/01/10 21:11:25 christos Exp $"); -#endif /* not lint */ - -#include <sys/types.h> -#include <sys/mman.h> -#include <sys/wait.h> -#include <sys/stat.h> - -#include <dirent.h> -#include <err.h> -#include <errno.h> -#include <fcntl.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <ctype.h> - -#include "debug.h" -#include "rtld.h" -#include "ldd.h" - -static void print_needed(Obj_Entry *, const char *, const char *); -static void fmtprint(const char *, Obj_Entry *, const char *, const char *); - -/* - * elfxx_ldd() - bit-size independent ELF ldd implementation. - * returns 0 on success and -1 on failure. - */ -int -ELFNAME(ldd)(int fd, char *path, const char *fmt1, const char *fmt2) -{ - struct stat st; - - if (lseek(fd, 0, SEEK_SET) < 0 || - fstat(fd, &st) < 0) { - _rtld_error("%s: %s", path, strerror(errno)); - return -1; - } - - _rtld_pagesz = sysconf(_SC_PAGESIZE); - -#ifdef RTLD_ARCH_SUBDIR - _rtld_add_paths(path, &_rtld_default_paths, - RTLD_DEFAULT_LIBRARY_PATH "/" RTLD_ARCH_SUBDIR); -#endif - _rtld_add_paths(path, &_rtld_default_paths, RTLD_DEFAULT_LIBRARY_PATH); - - _rtld_paths = NULL; - _rtld_trust = (st.st_mode & (S_ISUID | S_ISGID)) == 0; - if (_rtld_trust) - _rtld_add_paths(path, &_rtld_paths, getenv("LD_LIBRARY_PATH")); - - _rtld_process_hints(path, &_rtld_paths, &_rtld_xforms, _PATH_LD_HINTS); - _rtld_objmain = _rtld_map_object(xstrdup(path), fd, &st); - if (_rtld_objmain == NULL) - return -1; - - _rtld_objmain->path = xstrdup(path); - _rtld_digest_dynamic(path, _rtld_objmain); - - /* Link the main program into the list of objects. */ - *_rtld_objtail = _rtld_objmain; - _rtld_objtail = &_rtld_objmain->next; - ++_rtld_objmain->refcount; - - (void) _rtld_load_needed_objects(_rtld_objmain, 0); - - if (fmt1 == NULL) - printf("%s:\n", _rtld_objmain->path); - main_local = path; - main_progname = _rtld_objmain->path; - print_needed(_rtld_objmain, fmt1, fmt2); - - while (_rtld_objlist != NULL) { - Obj_Entry *obj = _rtld_objlist; - _rtld_objlist = obj->next; - while (obj->rpaths != NULL) { - const Search_Path *rpath = obj->rpaths; - obj->rpaths = rpath->sp_next; - xfree(__UNCONST(rpath->sp_path)); - xfree(__UNCONST(rpath)); - } - while (obj->needed != NULL) { - const Needed_Entry *needed = obj->needed; - obj->needed = needed->next; - xfree(__UNCONST(needed)); - } - (void) munmap(obj->mapbase, obj->mapsize); - xfree(obj->path); - xfree(obj); - } - - _rtld_objmain = NULL; - _rtld_objtail = &_rtld_objlist; - /* Need to free _rtld_paths? */ - - return 0; -} - -void -fmtprint(const char *libname, Obj_Entry *obj, const char *fmt1, - const char *fmt2) -{ - const char *libpath = obj ? obj->path : "not found"; - char libnamebuf[200]; - char *libmajor = NULL; - const char *fmt; - char *cp; - int c; - - if (strncmp(libname, "lib", 3) == 0 && - (cp = strstr(libname, ".so")) != NULL) { - size_t i = cp - (libname + 3); - - if (i >= sizeof(libnamebuf)) - i = sizeof(libnamebuf) - 1; - (void)memcpy(libnamebuf, libname + 3, i); - libnamebuf[i] = '\0'; - if (cp[3] && isdigit((unsigned char)cp[4])) - libmajor = &cp[4]; - libname = libnamebuf; - } - - if (fmt1 == NULL) - fmt1 = libmajor != NULL ? - "\t-l%o.%m => %p\n" : - "\t-l%o => %p\n"; - if (fmt2 == NULL) - fmt2 = "\t%o => %p\n"; - - fmt = libname == libnamebuf ? fmt1 : fmt2; - while ((c = *fmt++) != '\0') { - switch (c) { - default: - putchar(c); - continue; - case '\\': - switch (c = *fmt) { - case '\0': - continue; - case 'n': - putchar('\n'); - break; - case 't': - putchar('\t'); - break; - } - break; - case '%': - switch (c = *fmt) { - case '\0': - continue; - case '%': - default: - putchar(c); - break; - case 'A': - printf("%s", main_local); - break; - case 'a': - printf("%s", main_progname); - break; - case 'o': - printf("%s", libname); - break; - case 'm': - printf("%s", libmajor); - break; - case 'n': - /* XXX: not supported for elf */ - break; - case 'p': - printf("%s", libpath); - break; - case 'x': - printf("%p", obj ? obj->mapbase : 0); - break; - } - break; - } - ++fmt; - } -} - -void -print_needed(Obj_Entry *obj, const char *fmt1, const char *fmt2) -{ - const Needed_Entry *needed; - - for (needed = obj->needed; needed != NULL; needed = needed->next) { - const char *libname = obj->strtab + needed->name; - - if (needed->obj != NULL) { - if (!needed->obj->printed) { - fmtprint(libname, needed->obj, fmt1, fmt2); - needed->obj->printed = 1; - print_needed(needed->obj, fmt1, fmt2); - } - } else { - fmtprint(libname, needed->obj, fmt1, fmt2); - } - } -} |