1545 lines
53 KiB
C
1545 lines
53 KiB
C
/*
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Copyright (c) 1990-2009 Info-ZIP. All rights reserved.
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See the accompanying file LICENSE, version 2009-Jan-02 or later
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(the contents of which are also included in unzip.h) for terms of use.
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If, for some reason, all these files are missing, the Info-ZIP license
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also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html
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*/
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/*---------------------------------------------------------------------------
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beos.c
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BeOS-specific routines for use with Info-ZIP's UnZip 5.30 and later.
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(based on unix/unix.c)
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Contains: do_wild() <-- generic enough to put in fileio.c?
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mapattr()
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mapname()
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checkdir()
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close_outfile()
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defer_dir_attribs()
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set_direc_attribs()
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stamp_file()
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version()
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scanBeOSexfield()
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set_file_attrs()
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setBeOSexfield()
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printBeOSexfield()
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assign_MIME()
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---------------------------------------------------------------------------*/
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#define UNZIP_INTERNAL
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#include "unzip.h"
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#include "beos.h"
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#include <errno.h> /* Just make sure we've got a few things... */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <dirent.h>
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/* For the new post-DR8 file attributes */
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#include <kernel/fs_attr.h>
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#include <support/byteorder.h>
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#include <storage/Mime.h>
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static unsigned filtattr OF((__GPRO__ unsigned perms));
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static uch *scanBeOSexfield OF((const uch *ef_ptr, unsigned ef_len));
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static int set_file_attrs( const char *, const unsigned char *, const off_t );
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static void setBeOSexfield OF((const char *path, uch *extra_field));
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#ifdef BEOS_USE_PRINTEXFIELD
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static void printBeOSexfield OF((int isdir, uch *extra_field));
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#endif
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#ifdef BEOS_ASSIGN_FILETYPE
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static void assign_MIME( const char * );
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#endif
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#ifdef SET_DIR_ATTRIB
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typedef struct uxdirattr { /* struct for holding unix style directory */
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struct uxdirattr *next; /* info until can be sorted and set at end */
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char *fn; /* filename of directory */
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union {
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iztimes t3; /* mtime, atime, ctime */
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ztimbuf t2; /* modtime, actime */
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} u;
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unsigned perms; /* same as min_info.file_attr */
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int have_uidgid; /* flag */
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ulg uidgid[2];
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char fnbuf[1]; /* buffer stub for directory name */
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} uxdirattr;
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#define UxAtt(d) ((uxdirattr *)d) /* typecast shortcut */
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#endif /* SET_DIR_ATTRIB */
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#ifdef ACORN_FTYPE_NFS
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/* Acorn bits for NFS filetyping */
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typedef struct {
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uch ID[2];
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uch size[2];
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uch ID_2[4];
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uch loadaddr[4];
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uch execaddr[4];
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uch attr[4];
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} RO_extra_block;
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#endif /* ACORN_FTYPE_NFS */
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/* static int created_dir; */ /* used in mapname(), checkdir() */
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/* static int renamed_fullpath; */ /* ditto */
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/*****************************/
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/* Strings used multiple */
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/* times in beos.c */
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/*****************************/
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/* messages of code for setting file/directory attributes */
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static ZCONST char CannotSetItemUidGid[] =
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"warning: cannot set UID %lu and/or GID %lu for %s\n %s\n";
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static ZCONST char CannotSetUidGid[] =
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" (warning) cannot set UID %lu and/or GID %lu\n %s";
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static ZCONST char CannotSetItemTimestamps[] =
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"warning: cannot set modif./access times for %s\n %s\n";
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static ZCONST char CannotSetTimestamps[] =
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" (warning) cannot set modif./access times\n %s";
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#ifndef SFX
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/**********************/
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/* Function do_wild() */ /* for porting: dir separator; match(ignore_case) */
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/**********************/
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char *do_wild(__G__ wildspec)
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__GDEF
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ZCONST char *wildspec; /* only used first time on a given dir */
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{
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/* these statics are now declared in SYSTEM_SPECIFIC_GLOBALS in beocfg.h:
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static DIR *wild_dir = (DIR *)NULL;
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static ZCONST char *wildname;
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static char *dirname, matchname[FILNAMSIZ];
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static int notfirstcall=FALSE, have_dirname, dirnamelen;
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*/
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struct dirent *file;
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/* Even when we're just returning wildspec, we *always* do so in
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* matchname[]--calling routine is allowed to append four characters
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* to the returned string, and wildspec may be a pointer to argv[].
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*/
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if (!G.notfirstcall) { /* first call: must initialize everything */
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G.notfirstcall = TRUE;
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if (!iswild(wildspec)) {
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strncpy(G.matchname, wildspec, FILNAMSIZ);
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G.matchname[FILNAMSIZ-1] = '\0';
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G.have_dirname = FALSE;
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G.wild_dir = NULL;
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return G.matchname;
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}
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/* break the wildspec into a directory part and a wildcard filename */
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if ((G.wildname = (ZCONST char *)strrchr(wildspec, '/')) == NULL) {
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G.dirname = ".";
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G.dirnamelen = 1;
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G.have_dirname = FALSE;
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G.wildname = wildspec;
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} else {
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++G.wildname; /* point at character after '/' */
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G.dirnamelen = G.wildname - wildspec;
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if ((G.dirname = (char *)malloc(G.dirnamelen+1)) == (char *)NULL) {
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Info(slide, 0x201, ((char *)slide,
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"warning: cannot allocate wildcard buffers\n"));
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strncpy(G.matchname, wildspec, FILNAMSIZ);
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G.matchname[FILNAMSIZ-1] = '\0';
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return G.matchname; /* but maybe filespec was not a wildcard */
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}
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strncpy(G.dirname, wildspec, G.dirnamelen);
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G.dirname[G.dirnamelen] = '\0'; /* terminate for strcpy below */
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G.have_dirname = TRUE;
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}
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if ((G.wild_dir = (zvoid *)opendir(G.dirname)) != (zvoid *)NULL) {
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while ((file = readdir((DIR *)G.wild_dir)) !=
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(struct dirent *)NULL) {
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Trace((stderr, "do_wild: readdir returns %s\n",
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FnFilter1(file->d_name)));
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if (file->d_name[0] == '.' && G.wildname[0] != '.')
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continue; /* Unix: '*' and '?' do not match leading dot */
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if (match(file->d_name, G.wildname, 0 WISEP) &&/*0=case sens.*/
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/* skip "." and ".." directory entries */
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strcmp(file->d_name, ".") && strcmp(file->d_name, "..")) {
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Trace((stderr, "do_wild: match() succeeds\n"));
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if (G.have_dirname) {
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strcpy(G.matchname, G.dirname);
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strcpy(G.matchname+G.dirnamelen, file->d_name);
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} else
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strcpy(G.matchname, file->d_name);
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return G.matchname;
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}
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}
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/* if we get to here directory is exhausted, so close it */
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closedir((DIR *)G.wild_dir);
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G.wild_dir = (zvoid *)NULL;
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}
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Trace((stderr, "do_wild: opendir(%s) returns NULL\n",
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FnFilter1(G.dirname)));
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/* return the raw wildspec in case that works (e.g., directory not
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* searchable, but filespec was not wild and file is readable) */
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strncpy(G.matchname, wildspec, FILNAMSIZ);
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G.matchname[FILNAMSIZ-1] = '\0';
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return G.matchname;
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}
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/* last time through, might have failed opendir but returned raw wildspec */
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if ((DIR *)G.wild_dir == (DIR *)NULL) {
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G.notfirstcall = FALSE; /* nothing left--reset for new wildspec */
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if (G.have_dirname)
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free(G.dirname);
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return (char *)NULL;
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}
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/* If we've gotten this far, we've read and matched at least one entry
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* successfully (in a previous call), so dirname has been copied into
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* matchname already.
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*/
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while ((file = readdir((DIR *)G.wild_dir)) != (struct dirent *)NULL) {
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Trace((stderr, "do_wild: readdir returns %s\n",
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FnFilter1(file->d_name)));
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if (file->d_name[0] == '.' && G.wildname[0] != '.')
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continue; /* Unix: '*' and '?' do not match leading dot */
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if (match(file->d_name, G.wildname, 0 WISEP)) { /* 0 == case sens. */
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Trace((stderr, "do_wild: match() succeeds\n"));
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if (G.have_dirname) {
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/* strcpy(G.matchname, G.dirname); */
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strcpy(G.matchname+G.dirnamelen, file->d_name);
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} else
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strcpy(G.matchname, file->d_name);
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return G.matchname;
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}
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}
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closedir((DIR *)G.wild_dir); /* at least one entry read; nothing left */
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G.wild_dir = (zvoid *)NULL;
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G.notfirstcall = FALSE; /* reset for new wildspec */
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if (G.have_dirname)
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free(G.dirname);
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return (char *)NULL;
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} /* end function do_wild() */
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#endif /* !SFX */
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#ifndef S_ISUID
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# define S_ISUID 0004000 /* set user id on execution */
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#endif
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#ifndef S_ISGID
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# define S_ISGID 0002000 /* set group id on execution */
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#endif
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#ifndef S_ISVTX
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# define S_ISVTX 0001000 /* save swapped text even after use */
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#endif
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/************************/
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/* Function filtattr() */
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/************************/
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/* This is used to clear or keep the SUID and SGID bits on file permissions.
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* It's possible that a file in an archive could have one of these bits set
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* and, unknown to the person unzipping, could allow others to execute the
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* file as the user or group. The new option -K bypasses this check.
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*/
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static unsigned filtattr(__G__ perms)
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__GDEF
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unsigned perms;
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{
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/* keep setuid/setgid/tacky perms? */
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if (!uO.K_flag)
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perms &= ~(S_ISUID | S_ISGID | S_ISVTX);
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return (0xffff & perms);
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} /* end function filtattr() */
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/**********************/
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/* Function mapattr() */
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/**********************/
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int mapattr(__G)
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__GDEF
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{
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int r;
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ulg tmp = G.crec.external_file_attributes;
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G.pInfo->file_attr = 0;
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/* initialized to 0 for check in "default" branch below... */
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switch (G.pInfo->hostnum) {
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case AMIGA_:
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tmp = (unsigned)(tmp>>17 & 7); /* Amiga RWE bits */
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G.pInfo->file_attr = (unsigned)(tmp<<6 | tmp<<3 | tmp);
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break;
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case THEOS_:
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tmp &= 0xF1FFFFFFL;
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if ((tmp & 0xF0000000L) != 0x40000000L)
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tmp &= 0x01FFFFFFL; /* not a dir, mask all ftype bits */
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else
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tmp &= 0x41FFFFFFL; /* leave directory bit as set */
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/* fall through! */
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case BEOS_:
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case UNIX_:
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case VMS_:
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case ACORN_:
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case ATARI_:
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case ATHEOS_:
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case QDOS_:
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case TANDEM_:
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r = FALSE;
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G.pInfo->file_attr = (unsigned)(tmp >> 16);
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if (G.pInfo->file_attr == 0 && G.extra_field) {
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/* Some (non-Info-ZIP) implementations of Zip for Unix and
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* VMS (and probably others ??) leave 0 in the upper 16-bit
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* part of the external_file_attributes field. Instead, they
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* store file permission attributes in some extra field.
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* As a work-around, we search for the presence of one of
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* these extra fields and fall back to the MSDOS compatible
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* part of external_file_attributes if one of the known
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* e.f. types has been detected.
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* Later, we might implement extraction of the permission
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* bits from the VMS extra field. But for now, the work-around
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* should be sufficient to provide "readable" extracted files.
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* (For ASI Unix e.f., an experimental remap of the e.f.
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* mode value IS already provided!)
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*/
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ush ebID;
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unsigned ebLen;
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uch *ef = G.extra_field;
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unsigned ef_len = G.crec.extra_field_length;
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while (!r && ef_len >= EB_HEADSIZE) {
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ebID = makeword(ef);
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ebLen = (unsigned)makeword(ef+EB_LEN);
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if (ebLen > (ef_len - EB_HEADSIZE))
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/* discoverd some e.f. inconsistency! */
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break;
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switch (ebID) {
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case EF_ASIUNIX:
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if (ebLen >= (EB_ASI_MODE+2)) {
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G.pInfo->file_attr =
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(unsigned)makeword(ef+(EB_HEADSIZE+EB_ASI_MODE));
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/* force stop of loop: */
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ef_len = (ebLen + EB_HEADSIZE);
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break;
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}
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/* else: fall through! */
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case EF_PKVMS:
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/* "found nondecypherable e.f. with perm. attr" */
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r = TRUE;
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default:
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break;
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}
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ef_len -= (ebLen + EB_HEADSIZE);
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ef += (ebLen + EB_HEADSIZE);
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}
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}
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if (!r) {
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#ifdef SYMLINKS
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/* Check if the file is a (POSIX-compatible) symbolic link.
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* We restrict symlink support to those "made-by" hosts that
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* are known to support symbolic links.
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*/
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G.pInfo->symlink = S_ISLNK(G.pInfo->file_attr) &&
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SYMLINK_HOST(G.pInfo->hostnum);
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#endif
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return 0;
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}
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/* fall through! */
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/* all remaining cases: expand MSDOS read-only bit into write perms */
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case FS_FAT_:
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/* PKWARE's PKZip for Unix marks entries as FS_FAT_, but stores the
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* Unix attributes in the upper 16 bits of the external attributes
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* field, just like Info-ZIP's Zip for Unix. We try to use that
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* value, after a check for consistency with the MSDOS attribute
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* bits (see below).
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*/
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G.pInfo->file_attr = (unsigned)(tmp >> 16);
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/* fall through! */
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case FS_HPFS_:
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case FS_NTFS_:
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case MAC_:
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case TOPS20_:
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default:
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/* Ensure that DOS subdir bit is set when the entry's name ends
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* in a '/'. Some third-party Zip programs fail to set the subdir
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* bit for directory entries.
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*/
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if ((tmp & 0x10) == 0) {
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extent fnlen = strlen(G.filename);
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if (fnlen > 0 && G.filename[fnlen-1] == '/')
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tmp |= 0x10;
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}
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/* read-only bit --> write perms; subdir bit --> dir exec bit */
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tmp = !(tmp & 1) << 1 | (tmp & 0x10) >> 4;
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if ((G.pInfo->file_attr & 0700) == (unsigned)(0400 | tmp<<6)) {
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/* keep previous G.pInfo->file_attr setting, when its "owner"
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* part appears to be consistent with DOS attribute flags!
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*/
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#ifdef SYMLINKS
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/* Entries "made by FS_FAT_" could have been zipped on a
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* system that supports POSIX-style symbolic links.
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*/
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G.pInfo->symlink = S_ISLNK(G.pInfo->file_attr) &&
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(G.pInfo->hostnum == FS_FAT_);
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#endif
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return 0;
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}
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G.pInfo->file_attr = (unsigned)(0444 | tmp<<6 | tmp<<3 | tmp);
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break;
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} /* end switch (host-OS-created-by) */
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/* for originating systems with no concept of "group," "other," "system": */
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umask( (int)(tmp=umask(0)) ); /* apply mask to expanded r/w(/x) perms */
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G.pInfo->file_attr &= ~tmp;
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return 0;
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} /* end function mapattr() */
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/************************/
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/* Function mapname() */
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/************************/
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int mapname(__G__ renamed)
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__GDEF
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int renamed;
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/*
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* returns:
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* MPN_OK - no problem detected
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* MPN_INF_TRUNC - caution (truncated filename)
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* MPN_INF_SKIP - info "skip entry" (dir doesn't exist)
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* MPN_ERR_SKIP - error -> skip entry
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* MPN_ERR_TOOLONG - error -> path is too long
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* MPN_NOMEM - error (memory allocation failed) -> skip entry
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* [also MPN_VOL_LABEL, MPN_CREATED_DIR]
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*/
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{
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char pathcomp[FILNAMSIZ]; /* path-component buffer */
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char *pp, *cp=(char *)NULL; /* character pointers */
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char *lastsemi=(char *)NULL; /* pointer to last semi-colon in pathcomp */
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#ifdef ACORN_FTYPE_NFS
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char *lastcomma=(char *)NULL; /* pointer to last comma in pathcomp */
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RO_extra_block *ef_spark; /* pointer Acorn FTYPE ef block */
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#endif
|
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int killed_ddot = FALSE; /* is set when skipping "../" pathcomp */
|
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int error = MPN_OK;
|
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register unsigned workch; /* hold the character being tested */
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|
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|
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/*---------------------------------------------------------------------------
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Initialize various pointers and counters and stuff.
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---------------------------------------------------------------------------*/
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if (G.pInfo->vollabel)
|
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return MPN_VOL_LABEL; /* can't set disk volume labels in BeOS */
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|
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/* can create path as long as not just freshening, or if user told us */
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G.create_dirs = (!uO.fflag || renamed);
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|
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G.created_dir = FALSE; /* not yet */
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|
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/* user gave full pathname: don't prepend rootpath */
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G.renamed_fullpath = (renamed && (*G.filename == '/'));
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|
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if (checkdir(__G__ (char *)NULL, INIT) == MPN_NOMEM)
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return MPN_NOMEM; /* initialize path buffer, unless no memory */
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|
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*pathcomp = '\0'; /* initialize translation buffer */
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pp = pathcomp; /* point to translation buffer */
|
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if (uO.jflag) /* junking directories */
|
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cp = (char *)strrchr(G.filename, '/');
|
|
if (cp == (char *)NULL) /* no '/' or not junking dirs */
|
|
cp = G.filename; /* point to internal zipfile-member pathname */
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else
|
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++cp; /* point to start of last component of path */
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|
|
|
/*---------------------------------------------------------------------------
|
|
Begin main loop through characters in filename.
|
|
---------------------------------------------------------------------------*/
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|
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while ((workch = (uch)*cp++) != 0) {
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|
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switch (workch) {
|
|
case '/': /* can assume -j flag not given */
|
|
*pp = '\0';
|
|
if (strcmp(pathcomp, ".") == 0) {
|
|
/* don't bother appending "./" to the path */
|
|
*pathcomp = '\0';
|
|
} else if (!uO.ddotflag && strcmp(pathcomp, "..") == 0) {
|
|
/* "../" dir traversal detected, skip over it */
|
|
*pathcomp = '\0';
|
|
killed_ddot = TRUE; /* set "show message" flag */
|
|
}
|
|
/* when path component is not empty, append it now */
|
|
if (*pathcomp != '\0' &&
|
|
((error = checkdir(__G__ pathcomp, APPEND_DIR))
|
|
& MPN_MASK) > MPN_INF_TRUNC)
|
|
return error;
|
|
pp = pathcomp; /* reset conversion buffer for next piece */
|
|
lastsemi = (char *)NULL; /* leave direct. semi-colons alone */
|
|
break;
|
|
|
|
case ';': /* VMS version (or DEC-20 attrib?) */
|
|
lastsemi = pp;
|
|
*pp++ = ';'; /* keep for now; remove VMS ";##" */
|
|
break; /* later, if requested */
|
|
|
|
#ifdef ACORN_FTYPE_NFS
|
|
case ',': /* NFS filetype extension */
|
|
lastcomma = pp;
|
|
*pp++ = ','; /* keep for now; may need to remove */
|
|
break; /* later, if requested */
|
|
#endif
|
|
|
|
default:
|
|
/* allow European characters in filenames: */
|
|
if (isprint(workch) || (128 <= workch && workch <= 254))
|
|
*pp++ = (char)workch;
|
|
} /* end switch */
|
|
|
|
} /* end while loop */
|
|
|
|
/* Show warning when stripping insecure "parent dir" path components */
|
|
if (killed_ddot && QCOND2) {
|
|
Info(slide, 0, ((char *)slide,
|
|
"warning: skipped \"../\" path component(s) in %s\n",
|
|
FnFilter1(G.filename)));
|
|
if (!(error & ~MPN_MASK))
|
|
error = (error & MPN_MASK) | PK_WARN;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
Report if directory was created (and no file to create: filename ended
|
|
in '/'), check name to be sure it exists, and combine path and name be-
|
|
fore exiting.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
if (G.filename[strlen(G.filename) - 1] == '/') {
|
|
checkdir(__G__ G.filename, GETPATH);
|
|
if (G.created_dir) {
|
|
if (QCOND2) {
|
|
Info(slide, 0, ((char *)slide, " creating: %s\n",
|
|
FnFilter1(G.filename)));
|
|
}
|
|
|
|
if (!uO.J_flag) { /* Handle the BeOS extra field if present. */
|
|
void *ptr = scanBeOSexfield(G.extra_field,
|
|
G.lrec.extra_field_length);
|
|
if (ptr) {
|
|
setBeOSexfield(G.filename, ptr);
|
|
}
|
|
}
|
|
|
|
#ifndef NO_CHMOD
|
|
/* set approx. dir perms (make sure can still read/write in dir) */
|
|
if (chmod(G.filename, filtattr(__G__ G.pInfo->file_attr) | 0700))
|
|
perror("chmod (directory attributes) error");
|
|
#endif
|
|
|
|
/* set dir time (note trailing '/') */
|
|
return (error & ~MPN_MASK) | MPN_CREATED_DIR;
|
|
}
|
|
/* TODO: should we re-write the BeOS extra field data in case it's */
|
|
/* changed? The answer is yes. [Sept 1999 - cjh] */
|
|
if (!uO.J_flag) { /* Handle the BeOS extra field if present. */
|
|
void *ptr = scanBeOSexfield(G.extra_field,
|
|
G.lrec.extra_field_length);
|
|
if (ptr) {
|
|
setBeOSexfield(G.filename, ptr);
|
|
}
|
|
}
|
|
|
|
/* dir existed already; don't look for data to extract */
|
|
return (error & ~MPN_MASK) | MPN_INF_SKIP;
|
|
}
|
|
|
|
*pp = '\0'; /* done with pathcomp: terminate it */
|
|
|
|
/* if not saving them, remove VMS version numbers (appended ";###") */
|
|
if (!uO.V_flag && lastsemi) {
|
|
pp = lastsemi + 1;
|
|
while (isdigit((uch)(*pp)))
|
|
++pp;
|
|
if (*pp == '\0') /* only digits between ';' and end: nuke */
|
|
*lastsemi = '\0';
|
|
}
|
|
|
|
/* On UNIX (and compatible systems), "." and ".." are reserved for
|
|
* directory navigation and cannot be used as regular file names.
|
|
* These reserved one-dot and two-dot names are mapped to "_" and "__".
|
|
*/
|
|
if (strcmp(pathcomp, ".") == 0)
|
|
*pathcomp = '_';
|
|
else if (strcmp(pathcomp, "..") == 0)
|
|
strcpy(pathcomp, "__");
|
|
|
|
#ifdef ACORN_FTYPE_NFS
|
|
/* translate Acorn filetype information if asked to do so */
|
|
if (uO.acorn_nfs_ext &&
|
|
(ef_spark = (RO_extra_block *)
|
|
getRISCOSexfield(G.extra_field, G.lrec.extra_field_length))
|
|
!= (RO_extra_block *)NULL)
|
|
{
|
|
/* file *must* have a RISC OS extra field */
|
|
long ft = (long)makelong(ef_spark->loadaddr);
|
|
/*32-bit*/
|
|
if (lastcomma) {
|
|
pp = lastcomma + 1;
|
|
while (isxdigit((uch)(*pp))) ++pp;
|
|
if (pp == lastcomma+4 && *pp == '\0') *lastcomma='\0'; /* nuke */
|
|
}
|
|
if ((ft & 1<<31)==0) ft=0x000FFD00;
|
|
sprintf(pathcomp+strlen(pathcomp), ",%03x", (int)(ft>>8) & 0xFFF);
|
|
}
|
|
#endif /* ACORN_FTYPE_NFS */
|
|
|
|
if (*pathcomp == '\0') {
|
|
Info(slide, 1, ((char *)slide, "mapname: conversion of %s failed\n",
|
|
FnFilter1(G.filename)));
|
|
return (error & ~MPN_MASK) | MPN_ERR_SKIP;
|
|
}
|
|
|
|
checkdir(__G__ pathcomp, APPEND_NAME); /* returns 1 if truncated: care? */
|
|
checkdir(__G__ G.filename, GETPATH);
|
|
|
|
return error;
|
|
|
|
} /* end function mapname() */
|
|
|
|
|
|
|
|
|
|
/***********************/
|
|
/* Function checkdir() */
|
|
/***********************/
|
|
|
|
int checkdir(__G__ pathcomp, flag)
|
|
__GDEF
|
|
char *pathcomp;
|
|
int flag;
|
|
/*
|
|
* returns:
|
|
* MPN_OK - no problem detected
|
|
* MPN_INF_TRUNC - (on APPEND_NAME) truncated filename
|
|
* MPN_INF_SKIP - path doesn't exist, not allowed to create
|
|
* MPN_ERR_SKIP - path doesn't exist, tried to create and failed; or path
|
|
* exists and is not a directory, but is supposed to be
|
|
* MPN_ERR_TOOLONG - path is too long
|
|
* MPN_NOMEM - can't allocate memory for filename buffers
|
|
*/
|
|
{
|
|
/* static int rootlen = 0; */ /* length of rootpath */
|
|
/* static char *rootpath; */ /* user's "extract-to" directory */
|
|
/* static char *buildpath; */ /* full path (so far) to extracted file */
|
|
/* static char *end; */ /* pointer to end of buildpath ('\0') */
|
|
|
|
# define FN_MASK 7
|
|
# define FUNCTION (flag & FN_MASK)
|
|
|
|
|
|
|
|
/*---------------------------------------------------------------------------
|
|
APPEND_DIR: append the path component to the path being built and check
|
|
for its existence. If doesn't exist and we are creating directories, do
|
|
so for this one; else signal success or error as appropriate.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
if (FUNCTION == APPEND_DIR) {
|
|
int too_long = FALSE;
|
|
#ifdef SHORT_NAMES
|
|
char *old_end = end;
|
|
#endif
|
|
|
|
Trace((stderr, "appending dir segment [%s]\n", FnFilter1(pathcomp)));
|
|
while ((*G.end = *pathcomp++) != '\0')
|
|
++G.end;
|
|
#ifdef SHORT_NAMES /* path components restricted to 14 chars, typically */
|
|
if ((G.end-old_end) > FILENAME_MAX) /* GRR: proper constant? */
|
|
*(G.end = old_end + FILENAME_MAX) = '\0';
|
|
#endif
|
|
|
|
/* GRR: could do better check, see if overrunning buffer as we go:
|
|
* check end-buildpath after each append, set warning variable if
|
|
* within 20 of FILNAMSIZ; then if var set, do careful check when
|
|
* appending. Clear variable when begin new path. */
|
|
|
|
/* next check: need to append '/', at least one-char name, '\0' */
|
|
if ((G.end-G.buildpath) > FILNAMSIZ-3)
|
|
too_long = TRUE; /* check if extracting dir? */
|
|
if (SSTAT(G.buildpath, &G.statbuf)) { /* path doesn't exist */
|
|
if (!G.create_dirs) { /* told not to create (freshening) */
|
|
free(G.buildpath);
|
|
return MPN_INF_SKIP; /* path doesn't exist: nothing to do */
|
|
}
|
|
if (too_long) {
|
|
Info(slide, 1, ((char *)slide,
|
|
"checkdir error: path too long: %s\n",
|
|
FnFilter1(G.buildpath)));
|
|
free(G.buildpath);
|
|
/* no room for filenames: fatal */
|
|
return MPN_ERR_TOOLONG;
|
|
}
|
|
if (mkdir(G.buildpath, 0777) == -1) { /* create the directory */
|
|
Info(slide, 1, ((char *)slide,
|
|
"checkdir error: cannot create %s\n\
|
|
%s\n\
|
|
unable to process %s.\n",
|
|
FnFilter2(G.buildpath),
|
|
strerror(errno),
|
|
FnFilter1(G.filename)));
|
|
free(G.buildpath);
|
|
/* path didn't exist, tried to create, failed */
|
|
return MPN_ERR_SKIP;
|
|
}
|
|
G.created_dir = TRUE;
|
|
} else if (!S_ISDIR(G.statbuf.st_mode)) {
|
|
Info(slide, 1, ((char *)slide,
|
|
"checkdir error: %s exists but is not directory\n\
|
|
unable to process %s.\n",
|
|
FnFilter2(G.buildpath), FnFilter1(G.filename)));
|
|
free(G.buildpath);
|
|
/* path existed but wasn't dir */
|
|
return MPN_ERR_SKIP;
|
|
}
|
|
if (too_long) {
|
|
Info(slide, 1, ((char *)slide,
|
|
"checkdir error: path too long: %s\n", FnFilter1(G.buildpath)));
|
|
free(G.buildpath);
|
|
/* no room for filenames: fatal */
|
|
return MPN_ERR_TOOLONG;
|
|
}
|
|
*G.end++ = '/';
|
|
*G.end = '\0';
|
|
Trace((stderr, "buildpath now = [%s]\n", FnFilter1(G.buildpath)));
|
|
return MPN_OK;
|
|
|
|
} /* end if (FUNCTION == APPEND_DIR) */
|
|
|
|
/*---------------------------------------------------------------------------
|
|
GETPATH: copy full path to the string pointed at by pathcomp, and free
|
|
G.buildpath.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
if (FUNCTION == GETPATH) {
|
|
strcpy(pathcomp, G.buildpath);
|
|
Trace((stderr, "getting and freeing path [%s]\n",
|
|
FnFilter1(pathcomp)));
|
|
free(G.buildpath);
|
|
G.buildpath = G.end = (char *)NULL;
|
|
return MPN_OK;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
APPEND_NAME: assume the path component is the filename; append it and
|
|
return without checking for existence.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
if (FUNCTION == APPEND_NAME) {
|
|
#ifdef SHORT_NAMES
|
|
char *old_end = end;
|
|
#endif
|
|
|
|
Trace((stderr, "appending filename [%s]\n", FnFilter1(pathcomp)));
|
|
while ((*G.end = *pathcomp++) != '\0') {
|
|
++G.end;
|
|
#ifdef SHORT_NAMES /* truncate name at 14 characters, typically */
|
|
if ((G.end-old_end) > FILENAME_MAX) /* GRR: proper constant? */
|
|
*(G.end = old_end + FILENAME_MAX) = '\0';
|
|
#endif
|
|
if ((G.end-G.buildpath) >= FILNAMSIZ) {
|
|
*--G.end = '\0';
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"checkdir warning: path too long; truncating\n\
|
|
%s\n -> %s\n",
|
|
FnFilter1(G.filename), FnFilter2(G.buildpath)));
|
|
return MPN_INF_TRUNC; /* filename truncated */
|
|
}
|
|
}
|
|
Trace((stderr, "buildpath now = [%s]\n", FnFilter1(G.buildpath)));
|
|
/* could check for existence here, prompt for new name... */
|
|
return MPN_OK;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
INIT: allocate and initialize buffer space for the file currently being
|
|
extracted. If file was renamed with an absolute path, don't prepend the
|
|
extract-to path.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
/* GRR: for VMS and TOPS-20, add up to 13 to strlen */
|
|
|
|
if (FUNCTION == INIT) {
|
|
Trace((stderr, "initializing buildpath to "));
|
|
#ifdef ACORN_FTYPE_NFS
|
|
if ((G.buildpath = (char *)malloc(strlen(G.filename)+G.rootlen+
|
|
(uO.acorn_nfs_ext ? 5 : 1)))
|
|
#else
|
|
if ((G.buildpath = (char *)malloc(strlen(G.filename)+G.rootlen+1))
|
|
#endif
|
|
== (char *)NULL)
|
|
return MPN_NOMEM;
|
|
if ((G.rootlen > 0) && !G.renamed_fullpath) {
|
|
strcpy(G.buildpath, G.rootpath);
|
|
G.end = G.buildpath + G.rootlen;
|
|
} else {
|
|
*G.buildpath = '\0';
|
|
G.end = G.buildpath;
|
|
}
|
|
Trace((stderr, "[%s]\n", FnFilter1(G.buildpath)));
|
|
return MPN_OK;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
ROOT: if appropriate, store the path in rootpath and create it if
|
|
necessary; else assume it's a zipfile member and return. This path
|
|
segment gets used in extracting all members from every zipfile specified
|
|
on the command line.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
#if (!defined(SFX) || defined(SFX_EXDIR))
|
|
if (FUNCTION == ROOT) {
|
|
Trace((stderr, "initializing root path to [%s]\n",
|
|
FnFilter1(pathcomp)));
|
|
if (pathcomp == (char *)NULL) {
|
|
G.rootlen = 0;
|
|
return MPN_OK;
|
|
}
|
|
if (G.rootlen > 0) /* rootpath was already set, nothing to do */
|
|
return MPN_OK;
|
|
if ((G.rootlen = strlen(pathcomp)) > 0) {
|
|
char *tmproot;
|
|
|
|
if ((tmproot = (char *)malloc(G.rootlen+2)) == (char *)NULL) {
|
|
G.rootlen = 0;
|
|
return MPN_NOMEM;
|
|
}
|
|
strcpy(tmproot, pathcomp);
|
|
if (tmproot[G.rootlen-1] == '/') {
|
|
tmproot[--G.rootlen] = '\0';
|
|
}
|
|
if (G.rootlen > 0 && (SSTAT(tmproot, &G.statbuf) ||
|
|
!S_ISDIR(G.statbuf.st_mode)))
|
|
{ /* path does not exist */
|
|
if (!G.create_dirs /* || iswild(tmproot) */ ) {
|
|
free(tmproot);
|
|
G.rootlen = 0;
|
|
/* skip (or treat as stored file) */
|
|
return MPN_INF_SKIP;
|
|
}
|
|
/* create the directory (could add loop here scanning tmproot
|
|
* to create more than one level, but why really necessary?) */
|
|
if (mkdir(tmproot, 0777) == -1) {
|
|
Info(slide, 1, ((char *)slide,
|
|
"checkdir: cannot create extraction directory: %s\n\
|
|
%s\n",
|
|
FnFilter1(tmproot), strerror(errno)));
|
|
free(tmproot);
|
|
G.rootlen = 0;
|
|
/* path didn't exist, tried to create, and failed: */
|
|
/* file exists, or 2+ subdir levels required */
|
|
return MPN_ERR_SKIP;
|
|
}
|
|
}
|
|
tmproot[G.rootlen++] = '/';
|
|
tmproot[G.rootlen] = '\0';
|
|
if ((G.rootpath = (char *)realloc(tmproot, G.rootlen+1)) == NULL) {
|
|
free(tmproot);
|
|
G.rootlen = 0;
|
|
return MPN_NOMEM;
|
|
}
|
|
Trace((stderr, "rootpath now = [%s]\n", FnFilter1(G.rootpath)));
|
|
}
|
|
return MPN_OK;
|
|
}
|
|
#endif /* !SFX || SFX_EXDIR */
|
|
|
|
/*---------------------------------------------------------------------------
|
|
END: free rootpath, immediately prior to program exit.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
if (FUNCTION == END) {
|
|
Trace((stderr, "freeing rootpath\n"));
|
|
if (G.rootlen > 0) {
|
|
free(G.rootpath);
|
|
G.rootlen = 0;
|
|
}
|
|
return MPN_OK;
|
|
}
|
|
|
|
return MPN_INVALID; /* should never reach */
|
|
|
|
} /* end function checkdir() */
|
|
|
|
|
|
|
|
|
|
|
|
static int get_extattribs OF((__GPRO__ iztimes *pzt, ulg z_uidgid[2]));
|
|
|
|
static int get_extattribs(__G__ pzt, z_uidgid)
|
|
__GDEF
|
|
iztimes *pzt;
|
|
ulg z_uidgid[2];
|
|
{
|
|
/*---------------------------------------------------------------------------
|
|
Convert from MSDOS-format local time and date to Unix-format 32-bit GMT
|
|
time: adjust base year from 1980 to 1970, do usual conversions from
|
|
yy/mm/dd hh:mm:ss to elapsed seconds, and account for timezone and day-
|
|
light savings time differences. If we have a Unix extra field, however,
|
|
we're laughing: both mtime and atime are ours. On the other hand, we
|
|
then have to check for restoration of UID/GID.
|
|
---------------------------------------------------------------------------*/
|
|
int have_uidgid_flg;
|
|
unsigned eb_izux_flg;
|
|
|
|
eb_izux_flg = (G.extra_field ? ef_scan_for_izux(G.extra_field,
|
|
G.lrec.extra_field_length, 0, G.lrec.last_mod_dos_datetime,
|
|
#ifdef IZ_CHECK_TZ
|
|
(G.tz_is_valid ? pzt : NULL),
|
|
#else
|
|
pzt,
|
|
#endif
|
|
z_uidgid) : 0);
|
|
if (eb_izux_flg & EB_UT_FL_MTIME) {
|
|
TTrace((stderr, "\nget_extattribs: Unix e.f. modif. time = %ld\n",
|
|
pzt->mtime));
|
|
} else {
|
|
pzt->mtime = dos_to_unix_time(G.lrec.last_mod_dos_datetime);
|
|
}
|
|
if (eb_izux_flg & EB_UT_FL_ATIME) {
|
|
TTrace((stderr, "get_extattribs: Unix e.f. access time = %ld\n",
|
|
pzt->atime));
|
|
} else {
|
|
pzt->atime = pzt->mtime;
|
|
TTrace((stderr, "\nget_extattribs: modification/access times = %ld\n",
|
|
pzt->mtime));
|
|
}
|
|
|
|
/* if -X option was specified and we have UID/GID info, restore it */
|
|
have_uidgid_flg =
|
|
#ifdef RESTORE_UIDGID
|
|
(uO.X_flag && (eb_izux_flg & EB_UX2_VALID));
|
|
#else
|
|
0;
|
|
#endif
|
|
return have_uidgid_flg;
|
|
}
|
|
|
|
|
|
|
|
|
|
/****************************/
|
|
/* Function close_outfile() */
|
|
/****************************/
|
|
|
|
void close_outfile(__G) /* GRR: change to return PK-style warning level */
|
|
__GDEF
|
|
{
|
|
union {
|
|
iztimes t3; /* mtime, atime, ctime */
|
|
ztimbuf t2; /* modtime, actime */
|
|
} zt;
|
|
ulg z_uidgid[2];
|
|
int have_uidgid_flg;
|
|
|
|
have_uidgid_flg = get_extattribs(__G__ &(zt.t3), z_uidgid);
|
|
|
|
/*---------------------------------------------------------------------------
|
|
If symbolic links are supported, allocate storage for a symlink control
|
|
structure, put the uncompressed "data" and other required info in it, and
|
|
add the structure to the "deferred symlinks" chain. Since we know it's a
|
|
symbolic link to start with, we shouldn't have to worry about overflowing
|
|
unsigned ints with unsigned longs.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
#ifdef SYMLINKS
|
|
if (G.symlnk) {
|
|
extent ucsize = (extent)G.lrec.ucsize;
|
|
unsigned BeOSef_len = 0;
|
|
extent slnk_entrysize;
|
|
uch *BeOS_exfld;
|
|
slinkentry *slnk_entry;
|
|
|
|
if (!uO.J_flag) {
|
|
/* Symlinks can have attributes, too. */
|
|
BeOS_exfld = scanBeOSexfield(G.extra_field,
|
|
G.lrec.extra_field_length);
|
|
if (BeOS_exfld) {
|
|
BeOSef_len = makeword(EB_LEN + BeOS_exfld) + EB_HEADSIZE;
|
|
}
|
|
}
|
|
|
|
/* size of the symlink entry is the sum of
|
|
* (struct size (includes 1st '\0') + 1 additional trailing '\0'),
|
|
* system specific attribute data size (might be 0),
|
|
* and the lengths of name and link target.
|
|
*/
|
|
slnk_entrysize = (sizeof(slinkentry) + 1) + BeOSef_len +
|
|
ucsize + strlen(G.filename);
|
|
|
|
if (slnk_entrysize < ucsize) {
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"warning: symbolic link (%s) failed: mem alloc overflow\n",
|
|
FnFilter1(G.filename)));
|
|
fclose(G.outfile);
|
|
return;
|
|
}
|
|
|
|
if ((slnk_entry = (slinkentry *)malloc(slnk_entrysize)) == NULL) {
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"warning: symbolic link (%s) failed: no mem\n",
|
|
FnFilter1(G.filename)));
|
|
fclose(G.outfile);
|
|
return;
|
|
}
|
|
slnk_entry->next = NULL;
|
|
slnk_entry->targetlen = ucsize;
|
|
slnk_entry->attriblen = BeOSef_len;
|
|
slnk_entry->target = slnk_entry->buf + BeOSef_len;
|
|
slnk_entry->fname = slnk_entry->target + ucsize + 1;
|
|
strcpy(slnk_entry->fname, G.filename);
|
|
if (BeOSef_len > 0)
|
|
memcpy(slnk_entry->buf, BeOS_exfld, BeOSef_len);
|
|
|
|
/* move back to the start of the file to re-read the "link data" */
|
|
rewind(G.outfile);
|
|
|
|
if (fread(slnk_entry->target, 1, ucsize, G.outfile) != ucsize)
|
|
{
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"warning: symbolic link (%s) failed\n",
|
|
FnFilter1(G.filename)));
|
|
free(slnk_entry);
|
|
fclose(G.outfile);
|
|
return;
|
|
}
|
|
fclose(G.outfile); /* close "link" file for good... */
|
|
slnk_entry->target[ucsize] = '\0';
|
|
if (QCOND2)
|
|
Info(slide, 0, ((char *)slide, "-> %s ",
|
|
FnFilter1(slnk_entry->target)));
|
|
/* add this symlink record to the list of deferred symlinks */
|
|
if (G.slink_last != NULL)
|
|
G.slink_last->next = slnk_entry;
|
|
else
|
|
G.slink_head = slnk_entry;
|
|
G.slink_last = slnk_entry;
|
|
return;
|
|
}
|
|
#endif /* SYMLINKS */
|
|
|
|
fclose(G.outfile);
|
|
|
|
/* handle the BeOS extra field if present */
|
|
if (!uO.J_flag) {
|
|
void *ptr = scanBeOSexfield(G.extra_field,
|
|
G.lrec.extra_field_length);
|
|
|
|
if (ptr) {
|
|
setBeOSexfield(G.filename, ptr);
|
|
#ifdef BEOS_ASSIGN_FILETYPE
|
|
} else {
|
|
/* Otherwise, ask the system to try assigning a MIME type. */
|
|
assign_MIME( G.filename );
|
|
#endif
|
|
}
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
Change the file permissions from default ones to those stored in the
|
|
zipfile.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
#ifndef NO_CHMOD
|
|
if (chmod(G.filename, filtattr(__G__ G.pInfo->file_attr)))
|
|
perror("chmod (file attributes) error");
|
|
#endif
|
|
|
|
/* if -X option was specified and we have UID/GID info, restore it */
|
|
if (have_uidgid_flg
|
|
/* check that both uid and gid values fit into their data sizes */
|
|
&& ((ulg)(uid_t)(z_uidgid[0]) == z_uidgid[0])
|
|
&& ((ulg)(gid_t)(z_uidgid[1]) == z_uidgid[1])) {
|
|
TTrace((stderr, "close_outfile: restoring Unix UID/GID info\n"));
|
|
if (chown(G.filename, (uid_t)z_uidgid[0], (gid_t)z_uidgid[1]))
|
|
{
|
|
if (uO.qflag)
|
|
Info(slide, 0x201, ((char *)slide, CannotSetItemUidGid,
|
|
z_uidgid[0], z_uidgid[1], FnFilter1(G.filename),
|
|
strerror(errno)));
|
|
else
|
|
Info(slide, 0x201, ((char *)slide, CannotSetUidGid,
|
|
z_uidgid[0], z_uidgid[1], strerror(errno)));
|
|
}
|
|
}
|
|
|
|
/* skip restoring time stamps on user's request */
|
|
if (uO.D_flag <= 1) {
|
|
/* set the file's access and modification times */
|
|
if (utime(G.filename, &(zt.t2))) {
|
|
if (uO.qflag)
|
|
Info(slide, 0x201, ((char *)slide, CannotSetItemTimestamps,
|
|
FnFilter1(G.filename), strerror(errno)));
|
|
else
|
|
Info(slide, 0x201, ((char *)slide, CannotSetTimestamps,
|
|
strerror(errno)));
|
|
}
|
|
}
|
|
|
|
} /* end function close_outfile() */
|
|
|
|
|
|
|
|
|
|
#ifdef SYMLINKS
|
|
int set_symlnk_attribs(__G__ slnk_entry)
|
|
__GDEF
|
|
slinkentry *slnk_entry;
|
|
{
|
|
if (slnk_entry->attriblen > 0)
|
|
setBeOSexfield(slnk_entry->fname, (uch *)slnk_entry->buf);
|
|
/* currently, no error propagation... */
|
|
return PK_OK;
|
|
} /* end function set_symlnk_attribs() */
|
|
#endif /* SYMLINKS */
|
|
|
|
|
|
|
|
|
|
#ifdef SET_DIR_ATTRIB
|
|
/* messages of code for setting directory attributes */
|
|
# ifndef NO_CHMOD
|
|
static ZCONST char DirlistChmodFailed[] =
|
|
"warning: cannot set permissions for %s\n %s\n";
|
|
# endif
|
|
|
|
|
|
int defer_dir_attribs(__G__ pd)
|
|
__GDEF
|
|
direntry **pd;
|
|
{
|
|
uxdirattr *d_entry;
|
|
|
|
d_entry = (uxdirattr *)malloc(sizeof(uxdirattr) + strlen(G.filename));
|
|
*pd = (direntry *)d_entry;
|
|
if (d_entry == (uxdirattr *)NULL) {
|
|
return PK_MEM;
|
|
}
|
|
d_entry->fn = d_entry->fnbuf;
|
|
strcpy(d_entry->fn, G.filename);
|
|
|
|
d_entry->perms = G.pInfo->file_attr;
|
|
|
|
d_entry->have_uidgid = get_extattribs(__G__ &(d_entry->u.t3),
|
|
d_entry->uidgid);
|
|
return PK_OK;
|
|
} /* end function defer_dir_attribs() */
|
|
|
|
|
|
int set_direc_attribs(__G__ d)
|
|
__GDEF
|
|
direntry *d;
|
|
{
|
|
int errval = PK_OK;
|
|
|
|
if (UxAtt(d)->have_uidgid &&
|
|
/* check that both uid and gid values fit into their data sizes */
|
|
((ulg)(uid_t)(UxAtt(d)->uidgid[0]) == UxAtt(d)->uidgid[0]) &&
|
|
((ulg)(gid_t)(UxAtt(d)->uidgid[1]) == UxAtt(d)->uidgid[1]) &&
|
|
chown(UxAtt(d)->fn, (uid_t)UxAtt(d)->uidgid[0],
|
|
(gid_t)UxAtt(d)->uidgid[1]))
|
|
{
|
|
Info(slide, 0x201, ((char *)slide, CannotSetItemUidGid,
|
|
UxAtt(d)->uidgid[0], UxAtt(d)->uidgid[1], FnFilter1(d->fn),
|
|
strerror(errno)));
|
|
if (!errval)
|
|
errval = PK_WARN;
|
|
}
|
|
/* Skip restoring directory time stamps on user' request. */
|
|
if (uO.D_flag <= 0) {
|
|
/* restore directory timestamps */
|
|
if (utime(d->fn, (const struct utimbuf *)&UxAtt(d)->u.t2)) {
|
|
Info(slide, 0x201, ((char *)slide, CannotSetItemTimestamps,
|
|
FnFilter1(d->fn), strerror(errno)));
|
|
if (!errval)
|
|
errval = PK_WARN;
|
|
}
|
|
}
|
|
#ifndef NO_CHMOD
|
|
if (chmod(d->fn, filtattr(__G__ UxAtt(d)->perms))) {
|
|
Info(slide, 0x201, ((char *)slide, DirlistChmodFailed,
|
|
FnFilter1(d->fn), strerror(errno)));
|
|
if (!errval)
|
|
errval = PK_WARN;
|
|
}
|
|
#endif /* !NO_CHMOD */
|
|
return errval;
|
|
} /* end function set_direc_attribs() */
|
|
|
|
#endif /* SET_DIR_ATTRIB */
|
|
|
|
|
|
|
|
|
|
#ifdef TIMESTAMP
|
|
|
|
/***************************/
|
|
/* Function stamp_file() */
|
|
/***************************/
|
|
|
|
int stamp_file(fname, modtime)
|
|
ZCONST char *fname;
|
|
time_t modtime;
|
|
{
|
|
struct utimbuf tp;
|
|
|
|
tp.modtime = tp.actime = modtime;
|
|
return (utime(fname, &tp));
|
|
|
|
} /* end function stamp_file() */
|
|
|
|
#endif /* TIMESTAMP */
|
|
|
|
|
|
|
|
|
|
#ifndef SFX
|
|
|
|
/************************/
|
|
/* Function version() */
|
|
/************************/
|
|
|
|
void version(__G)
|
|
__GDEF
|
|
{
|
|
sprintf((char *)slide, LoadFarString(CompiledWith),
|
|
#if defined(__MWERKS__)
|
|
"Metrowerks CodeWarrior", "",
|
|
#elif defined(__GNUC__)
|
|
"GNU C ", __VERSION__,
|
|
#else
|
|
"(unknown compiler) ","",
|
|
#endif
|
|
"BeOS ",
|
|
|
|
#ifdef __POWERPC__
|
|
"(PowerPC)",
|
|
#else
|
|
# ifdef __INTEL__
|
|
"(x86)",
|
|
# else
|
|
"(unknown)", /* someday we may have other architectures... */
|
|
# endif
|
|
#endif
|
|
|
|
#ifdef __DATE__
|
|
" on ", __DATE__
|
|
#else
|
|
"", ""
|
|
#endif
|
|
);
|
|
|
|
(*G.message)((zvoid *)&G, slide, (ulg)strlen((char *)slide), 0);
|
|
|
|
} /* end function version() */
|
|
|
|
#endif /* !SFX */
|
|
|
|
|
|
|
|
/******************************/
|
|
/* Extra field functions */
|
|
/******************************/
|
|
|
|
/*
|
|
** Scan the extra fields in extra_field, and look for a BeOS EF; return a
|
|
** pointer to that EF, or NULL if it's not there.
|
|
*/
|
|
static uch *scanBeOSexfield(const uch *ef_ptr, unsigned ef_len)
|
|
{
|
|
while( ef_ptr != NULL && ef_len >= EB_HEADSIZE ) {
|
|
unsigned eb_id = makeword(EB_ID + ef_ptr);
|
|
unsigned eb_len = makeword(EB_LEN + ef_ptr);
|
|
|
|
if (eb_len > (ef_len - EB_HEADSIZE)) {
|
|
Trace((stderr,
|
|
"scanBeOSexfield: block length %u > rest ef_size %u\n", eb_len,
|
|
ef_len - EB_HEADSIZE));
|
|
break;
|
|
}
|
|
|
|
if (eb_id == EF_BEOS && eb_len >= EB_BEOS_HLEN) {
|
|
return (uch *)ef_ptr;
|
|
}
|
|
|
|
ef_ptr += (eb_len + EB_HEADSIZE);
|
|
ef_len -= (eb_len + EB_HEADSIZE);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* Used by setBeOSexfield():
|
|
|
|
Set a file/directory's attributes to the attributes passed in.
|
|
|
|
If set_file_attrs() fails, an error will be returned:
|
|
|
|
EOK - no errors occurred
|
|
|
|
(other values will be whatever the failed function returned; no docs
|
|
yet, or I'd list a few)
|
|
*/
|
|
static int set_file_attrs( const char *name,
|
|
const unsigned char *attr_buff,
|
|
const off_t attr_size )
|
|
{
|
|
int retval = EOK;
|
|
unsigned char *ptr;
|
|
const unsigned char *guard;
|
|
int fd;
|
|
|
|
ptr = (unsigned char *)attr_buff;
|
|
guard = ptr + attr_size;
|
|
|
|
fd = open(name, O_RDWR | O_NOTRAVERSE);
|
|
if (fd < 0) {
|
|
return errno; /* should it be -fd ? */
|
|
}
|
|
|
|
while (ptr < guard) {
|
|
ssize_t wrote_bytes;
|
|
struct attr_info fa_info;
|
|
const char *attr_name;
|
|
unsigned char *attr_data;
|
|
|
|
attr_name = (char *)&(ptr[0]);
|
|
ptr += strlen(attr_name) + 1;
|
|
|
|
/* The attr_info data is stored in big-endian format because the */
|
|
/* PowerPC port was here first. */
|
|
memcpy(&fa_info, ptr, sizeof(struct attr_info));
|
|
fa_info.type = (uint32)B_BENDIAN_TO_HOST_INT32( fa_info.type );
|
|
fa_info.size = (off_t)B_BENDIAN_TO_HOST_INT64( fa_info.size );
|
|
ptr += sizeof(struct attr_info);
|
|
|
|
if (fa_info.size < 0LL) {
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"warning: skipping attribute with invalid length (%Ld)\n",
|
|
fa_info.size));
|
|
break;
|
|
}
|
|
|
|
attr_data = ptr;
|
|
ptr += fa_info.size;
|
|
|
|
if (ptr > guard) {
|
|
/* We've got a truncated attribute. */
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"warning: truncated attribute\n"));
|
|
break;
|
|
}
|
|
|
|
/* Wave the magic wand... this will swap Be-known types properly. */
|
|
(void)swap_data( fa_info.type, attr_data, fa_info.size,
|
|
B_SWAP_BENDIAN_TO_HOST );
|
|
|
|
wrote_bytes = fs_write_attr(fd, attr_name, fa_info.type, 0,
|
|
attr_data, fa_info.size);
|
|
if (wrote_bytes != fa_info.size) {
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"warning: wrote %ld attribute bytes of %ld\n",
|
|
(unsigned long)wrote_bytes,(unsigned long)fa_info.size));
|
|
}
|
|
}
|
|
|
|
close(fd);
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void setBeOSexfield(const char *path, uch *extra_field)
|
|
{
|
|
uch *ptr = extra_field;
|
|
ush id = 0;
|
|
ush size = 0;
|
|
ulg full_size = 0;
|
|
uch flags = 0;
|
|
uch *attrbuff = NULL;
|
|
int retval;
|
|
|
|
if( extra_field == NULL ) {
|
|
return;
|
|
}
|
|
|
|
/* Collect the data from the extra field buffer. */
|
|
id = makeword(ptr); ptr += 2; /* we don't use this... */
|
|
size = makeword(ptr); ptr += 2;
|
|
full_size = makelong(ptr); ptr += 4;
|
|
flags = *ptr; ptr++;
|
|
|
|
/* Do a little sanity checking. */
|
|
if (flags & EB_BE_FL_BADBITS) {
|
|
/* corrupted or unsupported */
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"Unsupported flags set for this BeOS extra field, skipping.\n"));
|
|
return;
|
|
}
|
|
if (size <= EB_BEOS_HLEN) {
|
|
/* corrupted, unsupported, or truncated */
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"BeOS extra field is %d bytes, should be at least %d.\n", size,
|
|
EB_BEOS_HLEN));
|
|
return;
|
|
}
|
|
if (full_size < (size - EB_BEOS_HLEN)) {
|
|
/* possible old archive? will this screw up on valid archives? */
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"Skipping attributes: BeOS extra field is %d bytes, "
|
|
"data size is %ld.\n", size - EB_BEOS_HLEN, full_size));
|
|
return;
|
|
}
|
|
|
|
/* Find the BeOS file attribute data. */
|
|
if (flags & EB_BE_FL_UNCMPR) {
|
|
/* Uncompressed data */
|
|
attrbuff = ptr;
|
|
} else {
|
|
/* Compressed data */
|
|
attrbuff = (uch *)malloc( full_size );
|
|
if (attrbuff == NULL) {
|
|
/* No memory to uncompress attributes */
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"Can't allocate memory to uncompress file attributes.\n"));
|
|
return;
|
|
}
|
|
|
|
retval = memextract(__G__ attrbuff, full_size,
|
|
ptr, size - EB_BEOS_HLEN);
|
|
if( retval != PK_OK ) {
|
|
/* error uncompressing attributes */
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"Error uncompressing file attributes.\n"));
|
|
|
|
/* Some errors here might not be so bad; we should expect */
|
|
/* some truncated data, for example. If the data was */
|
|
/* corrupt, we should _not_ attempt to restore the attrs */
|
|
/* for this file... there's no way to detect what attrs */
|
|
/* are good and which are bad. */
|
|
free (attrbuff);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* Now attempt to set the file attributes on the extracted file. */
|
|
retval = set_file_attrs(path, attrbuff, (off_t)full_size);
|
|
if (retval != EOK) {
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"Error writing file attributes.\n"));
|
|
}
|
|
|
|
/* Clean up, if necessary */
|
|
if (attrbuff != ptr) {
|
|
free(attrbuff);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
#ifdef BEOS_USE_PRINTEXFIELD
|
|
static void printBeOSexfield( int isdir, uch *extra_field )
|
|
{
|
|
uch *ptr = extra_field;
|
|
ush id = 0;
|
|
ush size = 0;
|
|
ulg full_size = 0;
|
|
uch flags = 0;
|
|
|
|
/* Tell picky compilers to be quiet. */
|
|
isdir = isdir;
|
|
|
|
if( extra_field == NULL ) {
|
|
return;
|
|
}
|
|
|
|
/* Collect the data from the buffer. */
|
|
id = makeword( ptr ); ptr += 2;
|
|
size = makeword( ptr ); ptr += 2;
|
|
full_size = makelong( ptr ); ptr += 4;
|
|
flags = *ptr; ptr++;
|
|
|
|
if( id != EF_BEOS ) {
|
|
/* not a 'Be' field */
|
|
printf("\t*** Unknown field type (0x%04x, '%c%c')\n", id,
|
|
(char)(id >> 8), (char)id);
|
|
}
|
|
|
|
if( flags & EB_BE_FL_BADBITS ) {
|
|
/* corrupted or unsupported */
|
|
printf("\t*** Corrupted BeOS extra field:\n");
|
|
printf("\t*** unknown bits set in the flags\n");
|
|
printf("\t*** (Possibly created by an old version of zip for BeOS.\n");
|
|
}
|
|
|
|
if( size <= EB_BEOS_HLEN ) {
|
|
/* corrupted, unsupported, or truncated */
|
|
printf("\t*** Corrupted BeOS extra field:\n");
|
|
printf("\t*** size is %d, should be larger than %d\n", size,
|
|
EB_BEOS_HLEN );
|
|
}
|
|
|
|
if( flags & EB_BE_FL_UNCMPR ) {
|
|
/* Uncompressed data */
|
|
printf("\tBeOS extra field data (uncompressed):\n");
|
|
printf("\t\t%ld data bytes\n", full_size);
|
|
} else {
|
|
/* Compressed data */
|
|
printf("\tBeOS extra field data (compressed):\n");
|
|
printf("\t\t%d compressed bytes\n", size - EB_BEOS_HLEN);
|
|
printf("\t\t%ld uncompressed bytes\n", full_size);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef BEOS_ASSIGN_FILETYPE
|
|
/* Note: This will no longer be necessary in BeOS PR4; update_mime_info() */
|
|
/* will be updated to build its own absolute pathname if it's not given one. */
|
|
static void assign_MIME( const char *file )
|
|
{
|
|
char *fullname;
|
|
char buff[PATH_MAX], cwd_buff[PATH_MAX];
|
|
int retval;
|
|
|
|
if( file[0] == '/' ) {
|
|
fullname = (char *)file;
|
|
} else {
|
|
sprintf( buff, "%s/%s", getcwd( cwd_buff, PATH_MAX ), file );
|
|
fullname = buff;
|
|
}
|
|
|
|
retval = update_mime_info( fullname, FALSE, TRUE, TRUE );
|
|
}
|
|
#endif
|