+++ /dev/null
-/*---------------------------------------------------------------------------
-
- unix.c
-
- Unix-specific routines for use with Info-ZIP's UnZip 5.3 and later.
-
- Contains: readdir()
- do_wild() <-- generic enough to put in fileio.c?
- mapattr()
- mapname()
- checkdir()
- mkdir()
- close_outfile()
- set_direc_attribs()
- stamp_file()
- version()
-
- ---------------------------------------------------------------------------*/
-
-
-#define UNZIP_INTERNAL
-#include "unzip.h"
-
-#ifdef SCO_XENIX
-# define SYSNDIR
-#else /* SCO Unix, AIX, DNIX, TI SysV, Coherent 4.x, ... */
-# if defined(__convexc__) || defined(SYSV) || defined(CRAY) || defined(BSD4_4)
-# define DIRENT
-# endif
-#endif
-#if defined(_AIX)
-# define DIRENT
-#endif
-#ifdef COHERENT
-# if defined(_I386) || (defined(__COHERENT__) && (__COHERENT__ >= 0x420))
-# define DIRENT
-# endif
-#endif
-
-/* GRR: may need to uncomment this: */
-#if 0
-#if defined(_POSIX_VERSION)
-# define DIRENT
-#endif
-#endif
-
-#ifdef DIRENT
-# include <dirent.h>
-#else
-# ifdef SYSV
-# ifdef SYSNDIR
-# include <sys/ndir.h>
-# else
-# include <ndir.h>
-# endif
-# else /* !SYSV */
-# ifndef NO_SYSDIR
-# include <sys/dir.h>
-# endif
-# endif /* ?SYSV */
-# ifndef dirent
-# define dirent direct
-# endif
-#endif /* ?DIRENT */
-
-#ifdef ACORN_FTYPE_NFS
-/* Acorn bits for NFS filetyping */
-typedef struct {
- uch ID[2];
- uch size[2];
- uch ID_2[4];
- uch loadaddr[4];
- uch execaddr[4];
- uch attr[4];
-} RO_extra_block;
-
-static int isRISCOSexfield OF((uch *extra_field));
-#endif /* ACORN_FTYPE_NFS */
-
-static int created_dir; /* used in mapname(), checkdir() */
-static int renamed_fullpath; /* ditto */
-
-
-#ifndef SFX
-#ifdef NO_DIR /* for AT&T 3B1 */
-
-#define opendir(path) fopen(path,"r")
-#define closedir(dir) fclose(dir)
-typedef FILE DIR;
-
-/*
- * Apparently originally by Rich Salz.
- * Cleaned up and modified by James W. Birdsall.
- */
-struct dirent *readdir(dirp)
- DIR *dirp;
-{
- static struct dirent entry;
-
- if (dirp == NULL)
- return NULL;
-
- for (;;)
- if (fread(&entry, sizeof (struct dirent), 1, dirp) == 0)
- return (struct dirent *)NULL;
- else if (entry.d_ino)
- return &entry;
-
-} /* end function readdir() */
-
-#endif /* NO_DIR */
-
-
-/**********************/
-/* Function do_wild() */ /* for porting: dir separator; match(ignore_case) */
-/**********************/
-
-char *do_wild(__G__ wildspec)
- __GDEF
- char *wildspec; /* only used first time on a given dir */
-{
- static DIR *dir = (DIR *)NULL;
- static char *dirname, *wildname, matchname[FILNAMSIZ];
- static int firstcall=TRUE, have_dirname, dirnamelen;
- struct dirent *file;
-
-
- /* Even when we're just returning wildspec, we *always* do so in
- * matchname[]--calling routine is allowed to append four characters
- * to the returned string, and wildspec may be a pointer to argv[].
- */
- if (firstcall) { /* first call: must initialize everything */
- firstcall = FALSE;
-
- if (!iswild(wildspec)) {
- strcpy(matchname, wildspec);
- have_dirname = FALSE;
- dir = NULL;
- return matchname;
- }
-
- /* break the wildspec into a directory part and a wildcard filename */
- if ((wildname = strrchr(wildspec, '/')) == (char *)NULL) {
- dirname = ".";
- dirnamelen = 1;
- have_dirname = FALSE;
- wildname = wildspec;
- } else {
- ++wildname; /* point at character after '/' */
- dirnamelen = wildname - wildspec;
- if ((dirname = (char *)malloc(dirnamelen+1)) == (char *)NULL) {
- Info(slide, 0x201, ((char *)slide,
- "warning: cannot allocate wildcard buffers\n"));
- strcpy(matchname, wildspec);
- return matchname; /* but maybe filespec was not a wildcard */
- }
- strncpy(dirname, wildspec, dirnamelen);
- dirname[dirnamelen] = '\0'; /* terminate for strcpy below */
- have_dirname = TRUE;
- }
-
- if ((dir = opendir(dirname)) != (DIR *)NULL) {
- while ((file = readdir(dir)) != (struct dirent *)NULL) {
- Trace((stderr, "do_wild: readdir returns %s\n", file->d_name));
- if (file->d_name[0] == '.' && wildname[0] != '.')
- continue; /* Unix: '*' and '?' do not match leading dot */
- if (match(file->d_name, wildname, 0) && /* 0 == case sens. */
- /* skip "." and ".." directory entries */
- strcmp(file->d_name, ".") && strcmp(file->d_name, "..")) {
- Trace((stderr, "do_wild: match() succeeds\n"));
- if (have_dirname) {
- strcpy(matchname, dirname);
- strcpy(matchname+dirnamelen, file->d_name);
- } else
- strcpy(matchname, file->d_name);
- return matchname;
- }
- }
- /* if we get to here directory is exhausted, so close it */
- closedir(dir);
- dir = (DIR *)NULL;
- }
-
- /* return the raw wildspec in case that works (e.g., directory not
- * searchable, but filespec was not wild and file is readable) */
- strcpy(matchname, wildspec);
- return matchname;
- }
-
- /* last time through, might have failed opendir but returned raw wildspec */
- if (dir == (DIR *)NULL) {
- firstcall = TRUE; /* nothing left to try--reset for new wildspec */
- if (have_dirname)
- free(dirname);
- return (char *)NULL;
- }
-
- /* If we've gotten this far, we've read and matched at least one entry
- * successfully (in a previous call), so dirname has been copied into
- * matchname already.
- */
- while ((file = readdir(dir)) != (struct dirent *)NULL) {
- Trace((stderr, "do_wild: readdir returns %s\n", file->d_name));
- if (file->d_name[0] == '.' && wildname[0] != '.')
- continue; /* Unix: '*' and '?' do not match leading dot */
- if (match(file->d_name, wildname, 0)) { /* 0 == don't ignore case */
- Trace((stderr, "do_wild: match() succeeds\n"));
- if (have_dirname) {
- /* strcpy(matchname, dirname); */
- strcpy(matchname+dirnamelen, file->d_name);
- } else
- strcpy(matchname, file->d_name);
- return matchname;
- }
- }
-
- closedir(dir); /* have read at least one dir entry; nothing left */
- dir = (DIR *)NULL;
- firstcall = TRUE; /* reset for new wildspec */
- if (have_dirname)
- free(dirname);
- return (char *)NULL;
-
-} /* end function do_wild() */
-
-#endif /* !SFX */
-
-
-
-
-
-/**********************/
-/* Function mapattr() */
-/**********************/
-
-int mapattr(__G)
- __GDEF
-{
- ulg tmp = G.crec.external_file_attributes;
-
- G.pInfo->file_attr = 0;
- /* initialized to 0 for check in "default" branch below... */
-
- switch (G.pInfo->hostnum) {
- case AMIGA_:
- tmp = (unsigned)(tmp>>17 & 7); /* Amiga RWE bits */
- G.pInfo->file_attr = (unsigned)(tmp<<6 | tmp<<3 | tmp);
- break;
- case UNIX_:
- case VMS_:
- case ACORN_:
- case ATARI_:
- case BEOS_:
- case QDOS_:
- case TANDEM_:
- G.pInfo->file_attr = (unsigned)(tmp >> 16);
- if (G.pInfo->file_attr != 0 || !G.extra_field) {
- return 0;
- } else {
- /* Some (non-Info-ZIP) implementations of Zip for Unix and
- * VMS (and probably others ??) leave 0 in the upper 16-bit
- * part of the external_file_attributes field. Instead, they
- * store file permission attributes in some extra field.
- * As a work-around, we search for the presence of one of
- * these extra fields and fall back to the MSDOS compatible
- * part of external_file_attributes if one of the known
- * e.f. types has been detected.
- * Later, we might implement extraction of the permission
- * bits from the VMS extra field. But for now, the work-around
- * should be sufficient to provide "readable" extracted files.
- * (For ASI Unix e.f., an experimental remap from the e.f.
- * mode value IS already provided!)
- */
- ush ebID;
- unsigned ebLen;
- uch *ef = G.extra_field;
- unsigned ef_len = G.crec.extra_field_length;
- int r = FALSE;
-
- while (!r && ef_len >= EB_HEADSIZE) {
- ebID = makeword(ef);
- ebLen = (unsigned)makeword(ef+EB_LEN);
- if (ebLen > (ef_len - EB_HEADSIZE))
- /* discoverd some e.f. inconsistency! */
- break;
- switch (ebID) {
- case EF_ASIUNIX:
- if (ebLen >= (EB_ASI_MODE+2)) {
- G.pInfo->file_attr =
- (unsigned)makeword(ef+(EB_HEADSIZE+EB_ASI_MODE));
- /* force stop of loop: */
- ef_len = (ebLen + EB_HEADSIZE);
- break;
- }
- /* else: fall through! */
- case EF_PKVMS:
- /* "found nondecypherable e.f. with perm. attr" */
- r = TRUE;
- default:
- break;
- }
- ef_len -= (ebLen + EB_HEADSIZE);
- ef += (ebLen + EB_HEADSIZE);
- }
- if (!r)
- return 0;
- }
- /* fall through! */
- /* all remaining cases: expand MSDOS read-only bit into write perms */
- case FS_FAT_:
- /* PKWARE's PKZip for Unix marks entries as FS_FAT_, but stores the
- * Unix attributes in the upper 16 bits of the external attributes
- * field, just like Info-ZIP's Zip for Unix. We try to use that
- * value, after a check for consistency with the MSDOS attribute
- * bits (see below).
- */
- G.pInfo->file_attr = (unsigned)(tmp >> 16);
- /* fall through! */
- case FS_HPFS_:
- case FS_NTFS_:
- case MAC_:
- case TOPS20_:
- default:
- /* read-only bit --> write perms; subdir bit --> dir exec bit */
- tmp = !(tmp & 1) << 1 | (tmp & 0x10) >> 4;
- if ((G.pInfo->file_attr & 0700) == (unsigned)(0400 | tmp<<6))
- /* keep previous G.pInfo->file_attr setting, when its "owner"
- * part appears to be consistent with DOS attribute flags!
- */
- return 0;
- G.pInfo->file_attr = (unsigned)(0444 | tmp<<6 | tmp<<3 | tmp);
- break;
- } /* end switch (host-OS-created-by) */
-
- /* for originating systems with no concept of "group," "other," "system": */
- umask( (int)(tmp=umask(0)) ); /* apply mask to expanded r/w(/x) perms */
- G.pInfo->file_attr &= ~tmp;
-
- return 0;
-
-} /* end function mapattr() */
-
-
-
-
-
-/************************/
-/* Function mapname() */
-/************************/
- /* return 0 if no error, 1 if caution (filename */
-int mapname(__G__ renamed) /* truncated), 2 if warning (skip file because */
- __GDEF /* dir doesn't exist), 3 if error (skip file), */
- int renamed; /* or 10 if out of memory (skip file) */
-{ /* [also IZ_VOL_LABEL, IZ_CREATED_DIR] */
- char pathcomp[FILNAMSIZ]; /* path-component buffer */
- char *pp, *cp=(char *)NULL; /* character pointers */
- char *lastsemi=(char *)NULL; /* pointer to last semi-colon in pathcomp */
-#ifdef ACORN_FTYPE_NFS
- char *lastcomma=(char *)NULL; /* pointer to last comma in pathcomp */
-#endif
- int quote = FALSE; /* flags */
- int error = 0;
- register unsigned workch; /* hold the character being tested */
-
-
-/*---------------------------------------------------------------------------
- Initialize various pointers and counters and stuff.
- ---------------------------------------------------------------------------*/
-
- if (G.pInfo->vollabel)
- return IZ_VOL_LABEL; /* can't set disk volume labels in Unix */
-
- /* can create path as long as not just freshening, or if user told us */
- G.create_dirs = (!uO.fflag || renamed);
-
- created_dir = FALSE; /* not yet */
-
- /* user gave full pathname: don't prepend rootpath */
- renamed_fullpath = (renamed && (*G.filename == '/'));
-
- if (checkdir(__G__ (char *)NULL, INIT) == 10)
- return 10; /* initialize path buffer, unless no memory */
-
- *pathcomp = '\0'; /* initialize translation buffer */
- pp = pathcomp; /* point to translation buffer */
- if (uO.jflag) /* junking directories */
- cp = (char *)strrchr(G.filename, '/');
- if (cp == (char *)NULL) /* no '/' or not junking dirs */
- cp = G.filename; /* point to internal zipfile-member pathname */
- else
- ++cp; /* point to start of last component of path */
-
-/*---------------------------------------------------------------------------
- Begin main loop through characters in filename.
- ---------------------------------------------------------------------------*/
-
- while ((workch = (uch)*cp++) != 0) {
-
- if (quote) { /* if character quoted, */
- *pp++ = (char)workch; /* include it literally */
- quote = FALSE;
- } else
- switch (workch) {
- case '/': /* can assume -j flag not given */
- *pp = '\0';
- if ((error = checkdir(__G__ pathcomp, APPEND_DIR)) > 1)
- return error;
- pp = pathcomp; /* reset conversion buffer for next piece */
- lastsemi = (char *)NULL; /* leave directory 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
-
- case '\026': /* control-V quote for special chars */
- quote = TRUE; /* set flag for next character */
- break;
-
-#ifdef MTS
- case ' ': /* change spaces to underscore under */
- *pp++ = '_'; /* MTS; leave as spaces under Unix */
- break;
-#endif
-
- default:
- /* allow European characters in filenames: */
- if (isprint(workch) || (128 <= workch && workch <= 254))
- *pp++ = (char)workch;
- } /* end switch */
-
- } /* end while loop */
-
- *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';
- }
-
-#ifdef ACORN_FTYPE_NFS
- /* translate Acorn filetype information if asked to do so */
- if (uO.acorn_nfs_ext && isRISCOSexfield(G.extra_field)) {
- /* file *must* have a RISC OS extra field */
- int ft = (int)makelong(((RO_extra_block *)G.extra_field)->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", ft>>8 & 0xFFF);
- }
-#endif /* ACORN_FTYPE_NFS */
-
-/*---------------------------------------------------------------------------
- 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 (created_dir) {
- if (QCOND2) {
- Info(slide, 0, ((char *)slide, " creating: %s\n",
- G.filename));
- }
-#ifndef NO_CHMOD
- /* set approx. dir perms (make sure can still read/write in dir) */
- if (chmod(G.filename, (0xffff & G.pInfo->file_attr) | 0700))
- perror("chmod (directory attributes) error");
-#endif
- return IZ_CREATED_DIR; /* set dir time (note trailing '/') */
- }
- return 2; /* dir existed already; don't look for data to extract */
- }
-
- if (*pathcomp == '\0') {
- Info(slide, 1, ((char *)slide, "mapname: conversion of %s failed\n",
- G.filename));
- return 3;
- }
-
- checkdir(__G__ pathcomp, APPEND_NAME); /* returns 1 if truncated: care? */
- checkdir(__G__ G.filename, GETPATH);
-
- return error;
-
-} /* end function mapname() */
-
-
-
-
-#if 0 /*========== NOTES ==========*/
-
- extract-to dir: a:path/
- buildpath: path1/path2/ ... (NULL-terminated)
- pathcomp: filename
-
- mapname():
- loop over chars in zipfile member name
- checkdir(path component, COMPONENT | CREATEDIR) --> map as required?
- (d:/tmp/unzip/) (disk:[tmp.unzip.)
- (d:/tmp/unzip/jj/) (disk:[tmp.unzip.jj.)
- (d:/tmp/unzip/jj/temp/) (disk:[tmp.unzip.jj.temp.)
- finally add filename itself and check for existence? (could use with rename)
- (d:/tmp/unzip/jj/temp/msg.outdir) (disk:[tmp.unzip.jj.temp]msg.outdir)
- checkdir(name, GETPATH) --> copy path to name and free space
-
-#endif /* 0 */
-
-
-
-
-/***********************/
-/* Function checkdir() */
-/***********************/
-
-int checkdir(__G__ pathcomp, flag)
- __GDEF
- char *pathcomp;
- int flag;
-/*
- * returns: 1 - (on APPEND_NAME) truncated filename
- * 2 - path doesn't exist, not allowed to create
- * 3 - path doesn't exist, tried to create and failed; or
- * path exists and is not a directory, but is supposed to be
- * 4 - path is too long
- * 10 - 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", pathcomp));
- while ((*end = *pathcomp++) != '\0')
- ++end;
-#ifdef SHORT_NAMES /* path components restricted to 14 chars, typically */
- if ((end-old_end) > FILENAME_MAX) /* GRR: proper constant? */
- *(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. */
-
- if ((end-buildpath) > FILNAMSIZ-3) /* need '/', one-char name, '\0' */
- too_long = TRUE; /* check if extracting directory? */
- if (stat(buildpath, &G.statbuf)) { /* path doesn't exist */
- if (!G.create_dirs) { /* told not to create (freshening) */
- free(buildpath);
- return 2; /* path doesn't exist: nothing to do */
- }
- if (too_long) {
- Info(slide, 1, ((char *)slide,
- "checkdir error: path too long: %s\n", buildpath));
- free(buildpath);
- return 4; /* no room for filenames: fatal */
- }
- if (mkdir(buildpath, 0777) == -1) { /* create the directory */
- Info(slide, 1, ((char *)slide,
- "checkdir error: cannot create %s\n\
- unable to process %s.\n", buildpath, G.filename));
- free(buildpath);
- return 3; /* path didn't exist, tried to create, failed */
- }
- 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", buildpath, G.filename));
- free(buildpath);
- return 3; /* path existed but wasn't dir */
- }
- if (too_long) {
- Info(slide, 1, ((char *)slide,
- "checkdir error: path too long: %s\n", buildpath));
- free(buildpath);
- return 4; /* no room for filenames: fatal */
- }
- *end++ = '/';
- *end = '\0';
- Trace((stderr, "buildpath now = [%s]\n", buildpath));
- return 0;
-
- } /* end if (FUNCTION == APPEND_DIR) */
-
-/*---------------------------------------------------------------------------
- GETPATH: copy full path to the string pointed at by pathcomp, and free
- buildpath.
- ---------------------------------------------------------------------------*/
-
- if (FUNCTION == GETPATH) {
- strcpy(pathcomp, buildpath);
- Trace((stderr, "getting and freeing path [%s]\n", pathcomp));
- free(buildpath);
- buildpath = end = (char *)NULL;
- return 0;
- }
-
-/*---------------------------------------------------------------------------
- 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", pathcomp));
- while ((*end = *pathcomp++) != '\0') {
- ++end;
-#ifdef SHORT_NAMES /* truncate name at 14 characters, typically */
- if ((end-old_end) > FILENAME_MAX) /* GRR: proper constant? */
- *(end = old_end + FILENAME_MAX) = '\0';
-#endif
- if ((end-buildpath) >= FILNAMSIZ) {
- *--end = '\0';
- Info(slide, 0x201, ((char *)slide,
- "checkdir warning: path too long; truncating\n\
- %s\n -> %s\n", G.filename, buildpath));
- return 1; /* filename truncated */
- }
- }
- Trace((stderr, "buildpath now = [%s]\n", buildpath));
- return 0; /* could check for existence here, prompt for new name... */
- }
-
-/*---------------------------------------------------------------------------
- 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 ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+
- (uO.acorn_nfs_ext ? 5 : 1)))
-#else
- if ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+1))
-#endif
- == (char *)NULL)
- return 10;
- if ((rootlen > 0) && !renamed_fullpath) {
- strcpy(buildpath, rootpath);
- end = buildpath + rootlen;
- } else {
- *buildpath = '\0';
- end = buildpath;
- }
- Trace((stderr, "[%s]\n", buildpath));
- return 0;
- }
-
-/*---------------------------------------------------------------------------
- ROOT: if appropriate, store the path in rootpath and create it if neces-
- sary; 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", pathcomp));
- if (pathcomp == (char *)NULL) {
- rootlen = 0;
- return 0;
- }
- if ((rootlen = strlen(pathcomp)) > 0) {
- if (pathcomp[rootlen-1] == '/') {
- pathcomp[--rootlen] = '\0';
- }
- if (rootlen > 0 && (stat(pathcomp, &G.statbuf) ||
- !S_ISDIR(G.statbuf.st_mode))) /* path does not exist */
- {
- if (!G.create_dirs /* || iswild(pathcomp) */ ) {
- rootlen = 0;
- return 2; /* skip (or treat as stored file) */
- }
- /* create the directory (could add loop here to scan pathcomp
- * and create more than one level, but why really necessary?) */
- if (mkdir(pathcomp, 0777) == -1) {
- Info(slide, 1, ((char *)slide,
- "checkdir: cannot create extraction directory: %s\n",
- pathcomp));
- rootlen = 0; /* path didn't exist, tried to create, and */
- return 3; /* failed: file exists, or 2+ levels required */
- }
- }
- if ((rootpath = (char *)malloc(rootlen+2)) == (char *)NULL) {
- rootlen = 0;
- return 10;
- }
- strcpy(rootpath, pathcomp);
- rootpath[rootlen++] = '/';
- rootpath[rootlen] = '\0';
- Trace((stderr, "rootpath now = [%s]\n", rootpath));
- }
- return 0;
- }
-#endif /* !SFX || SFX_EXDIR */
-
-/*---------------------------------------------------------------------------
- END: free rootpath, immediately prior to program exit.
- ---------------------------------------------------------------------------*/
-
- if (FUNCTION == END) {
- Trace((stderr, "freeing rootpath\n"));
- if (rootlen > 0) {
- free(rootpath);
- rootlen = 0;
- }
- return 0;
- }
-
- return 99; /* should never reach */
-
-} /* end function checkdir() */
-
-
-
-
-
-#ifdef NO_MKDIR
-
-/********************/
-/* Function mkdir() */
-/********************/
-
-int mkdir(path, mode)
- char *path;
- int mode; /* ignored */
-/*
- * returns: 0 - successful
- * -1 - failed (errno not set, however)
- */
-{
- char command[FILNAMSIZ+40]; /* buffer for system() call */
-
- /* GRR 930416: added single quotes around path to avoid bug with
- * creating directories with ampersands in name; not yet tested */
- sprintf(command, "IFS=\" \t\n\" /bin/mkdir '%s' 2>/dev/null", path);
- if (system(command))
- return -1;
- return 0;
-}
-
-#endif /* NO_MKDIR */
-
-
-
-
-
-#if 0
-#ifdef MORE
-
-/**************************/
-/* Function screenlines() */
-/**************************/
-
-int screenlines()
-{
- char *envptr, *getenv();
- int n;
-
- /* GRR: this is overly simplistic; should use winsize struct and
- * appropriate TIOCGWINSZ ioctl(), assuming exists on enough systems
- */
- envptr = getenv("LINES");
- if (envptr == (char *)NULL || (n = atoi(envptr)) < 5)
- return 24; /* VT-100 assumed to be minimal hardware */
- else
- return n;
-}
-
-#endif /* MORE */
-#endif /* 0 */
-
-
-
-
-
-#ifndef MTS
-
-/****************************/
-/* Function close_outfile() */
-/****************************/
-
-void close_outfile(__G) /* GRR: change to return PK-style warning level */
- __GDEF
-{
- iztimes zt;
- ush z_uidgid[2];
- unsigned eb_izux_flg;
-
-/*---------------------------------------------------------------------------
- If symbolic links are supported, allocate a storage area, put the uncom-
- pressed "data" in it, and create the link. 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) {
- unsigned ucsize = (unsigned)G.lrec.ucsize;
- char *linktarget = (char *)malloc((unsigned)G.lrec.ucsize+1);
-
- fclose(G.outfile); /* close "data" file... */
- G.outfile = fopen(G.filename, FOPR); /* ...and reopen for reading */
- if (!linktarget || fread(linktarget, 1, ucsize, G.outfile) !=
- (int)ucsize)
- {
- Info(slide, 0x201, ((char *)slide,
- "warning: symbolic link (%s) failed\n", G.filename));
- if (linktarget)
- free(linktarget);
- fclose(G.outfile);
- return;
- }
- fclose(G.outfile); /* close "data" file for good... */
- unlink(G.filename); /* ...and delete it */
- linktarget[ucsize] = '\0';
- if (QCOND2)
- Info(slide, 0, ((char *)slide, "-> %s ", linktarget));
- if (symlink(linktarget, G.filename)) /* create the real link */
- perror("symlink error");
- free(linktarget);
- return; /* can't set time on symlinks */
- }
-#endif /* SYMLINKS */
-
- fclose(G.outfile);
-#ifdef QLZIP
- if (G.extra_field) {
- static void qlfix OF((__GPRO__ uch *ef_ptr, unsigned ef_len));
-
- qlfix(__G__ G.extra_field, G.lrec.extra_field_length);
- }
-#endif
-
-/*---------------------------------------------------------------------------
- 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.
- ---------------------------------------------------------------------------*/
-
- 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 ? &zt : NULL),
-#else
- &zt,
-#endif
- z_uidgid) : 0);
- if (eb_izux_flg & EB_UT_FL_MTIME) {
- TTrace((stderr, "\nclose_outfile: Unix e.f. modif. time = %ld\n",
- zt.mtime));
- } else {
- zt.mtime = dos_to_unix_time(G.lrec.last_mod_dos_datetime);
- }
- if (eb_izux_flg & EB_UT_FL_ATIME) {
- TTrace((stderr, "close_outfile: Unix e.f. access time = %ld\n",
- zt.atime));
- } else {
- zt.atime = zt.mtime;
- TTrace((stderr, "\nclose_outfile: modification/access times = %ld\n",
- zt.mtime));
- }
-
- /* if -X option was specified and we have UID/GID info, restore it */
- if (uO.X_flag && eb_izux_flg & EB_UX2_VALID) {
- 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,
- "warning: cannot set UID %d and/or GID %d for %s\n",
- z_uidgid[0], z_uidgid[1], G.filename));
- else
- Info(slide, 0x201, ((char *)slide,
- " (warning) cannot set UID %d and/or GID %d",
- z_uidgid[0], z_uidgid[1]));
- }
- }
-
- /* set the file's access and modification times */
- if (utime(G.filename, (ztimbuf *)&zt)) {
-#ifdef AOS_VS
- if (uO.qflag)
- Info(slide, 0x201, ((char *)slide, "... cannot set time for %s\n",
- G.filename));
- else
- Info(slide, 0x201, ((char *)slide, "... cannot set time"));
-#else
- if (uO.qflag)
- Info(slide, 0x201, ((char *)slide,
- "warning: cannot set times for %s\n", G.filename));
- else
- Info(slide, 0x201, ((char *)slide,
- " (warning) cannot set times"));
-#endif /* ?AOS_VS */
- }
-
-/*---------------------------------------------------------------------------
- Change the file permissions from default ones to those stored in the
- zipfile.
- ---------------------------------------------------------------------------*/
-
-#ifndef NO_CHMOD
- if (chmod(G.filename, 0xffff & G.pInfo->file_attr))
- perror("chmod (file attributes) error");
-#endif
-
-} /* end function close_outfile() */
-
-#endif /* !MTS */
-
-
-
-
-#ifdef SET_DIR_ATTRIB
-/* messages of code for setting directory attributes */
-static char Far DirlistUidGidFailed[] =
- "warning: cannot set UID %d and/or GID %d for %s\n";
-static char Far DirlistUtimeFailed[] =
- "warning: cannot set modification, access times for %s\n";
-# ifndef NO_CHMOD
- static char Far DirlistChmodFailed[] =
- "warning: cannot set permissions for %s\n";
-# endif
-
-
-int set_direc_attribs(__G__ d)
- __GDEF
- dirtime *d;
-{
- int errval = PK_OK;
-
- if (d->have_uidgid &&
- chown(d->fn, (uid_t)d->uidgid[0], (gid_t)d->uidgid[1]))
- {
- Info(slide, 0x201, ((char *)slide,
- LoadFarString(DirlistUidGidFailed),
- d->uidgid[0], d->uidgid[1], d->fn));
- if (!errval)
- errval = PK_WARN;
- }
- if (utime(d->fn, &d->u.t2)) {
- Info(slide, 0x201, ((char *)slide,
- LoadFarString(DirlistUtimeFailed), d->fn));
- if (!errval)
- errval = PK_WARN;
- }
-#ifndef NO_CHMOD
- if (chmod(d->fn, 0xffff & d->perms)) {
- Info(slide, 0x201, ((char *)slide,
- LoadFarString(DirlistChmodFailed), d->fn));
- /* perror("chmod (file attributes) error"); */
- if (!errval)
- errval = PK_WARN;
- }
-#endif /* !NO_CHMOD */
- return errval;
-} /* end function set_directory_attributes() */
-
-#endif /* SET_DIR_ATTRIB */
-
-
-
-
-#ifdef TIMESTAMP
-
-/***************************/
-/* Function stamp_file() */
-/***************************/
-
-int stamp_file(fname, modtime)
- ZCONST char *fname;
- time_t modtime;
-{
- ztimbuf tp;
-
- tp.modtime = tp.actime = modtime;
- return (utime(fname, &tp));
-
-} /* end function stamp_file() */
-
-#endif /* TIMESTAMP */
-
-
-
-
-#ifndef SFX
-
-/************************/
-/* Function version() */
-/************************/
-
-void version(__G)
- __GDEF
-{
-#if defined(CRAY) || defined(NX_CURRENT_COMPILER_RELEASE) || defined(NetBSD)
- char buf1[40];
-#if defined(CRAY) || defined(NX_CURRENT_COMPILER_RELEASE)
- char buf2[40];
-#endif
-#endif
-
- /* Pyramid, NeXT have problems with huge macro expansion, too: no Info() */
- sprintf((char *)slide, LoadFarString(CompiledWith),
-
-#ifdef __GNUC__
-# ifdef NX_CURRENT_COMPILER_RELEASE
- (sprintf(buf1, "NeXT DevKit %d.%02d ", NX_CURRENT_COMPILER_RELEASE/100,
- NX_CURRENT_COMPILER_RELEASE%100), buf1),
- (strlen(__VERSION__) > 8)? "(gcc)" :
- (sprintf(buf2, "(gcc %s)", __VERSION__), buf2),
-# else
- "gcc ", __VERSION__,
-# endif
-#else
-# if defined(CRAY) && defined(_RELEASE)
- "cc ", (sprintf(buf1, "version %d", _RELEASE), buf1),
-# else
-# ifdef __VERSION__
- "cc ", __VERSION__,
-# else
- "cc", "",
-# endif
-# endif
-#endif
-
- "Unix",
-
-#if defined(sgi) || defined(__sgi)
- " (Silicon Graphics IRIX)",
-#else
-#ifdef sun
-# ifdef sparc
-# ifdef __SVR4
- " (Sun SPARC/Solaris)",
-# else /* may or may not be SunOS */
- " (Sun SPARC)",
-# endif
-# else
-# if defined(sun386) || defined(i386)
- " (Sun 386i)",
-# else
-# if defined(mc68020) || defined(__mc68020__)
- " (Sun 3)",
-# else /* mc68010 or mc68000: Sun 2 or earlier */
- " (Sun 2)",
-# endif
-# endif
-# endif
-#else
-#ifdef __hpux
- " (HP/UX)",
-#else
-#ifdef __osf__
- " (DEC OSF/1)",
-#else
-#ifdef _AIX
- " (IBM AIX)",
-#else
-#ifdef aiws
- " (IBM RT/AIX)",
-#else
-#if defined(CRAY) || defined(cray)
-# ifdef _UNICOS
- (sprintf(buf2, " (Cray UNICOS release %d)", _UNICOS), buf2),
-# else
- " (Cray UNICOS)",
-# endif
-#else
-#if defined(uts) || defined(UTS)
- " (Amdahl UTS)",
-#else
-#ifdef NeXT
-# ifdef mc68000
- " (NeXTStep/black)",
-# else
- " (NeXTStep for Intel)",
-# endif
-#else /* the next dozen or so are somewhat order-dependent */
-#ifdef LINUX
-# ifdef __ELF__
- " (Linux ELF)",
-# else
- " (Linux a.out)",
-# endif
-#else
-#ifdef MINIX
- " (Minix)",
-#else
-#ifdef M_UNIX
- " (SCO Unix)",
-#else
-#ifdef M_XENIX
- " (SCO Xenix)",
-#else
-#ifdef __NetBSD__
-# ifdef NetBSD0_8
- (sprintf(buf1, " (NetBSD 0.8%c)", (char)(NetBSD0_8 - 1 + 'A')), buf1),
-# else
-# ifdef NetBSD0_9
- (sprintf(buf1, " (NetBSD 0.9%c)", (char)(NetBSD0_9 - 1 + 'A')), buf1),
-# else
-# ifdef NetBSD1_0
- (sprintf(buf1, " (NetBSD 1.0%c)", (char)(NetBSD1_0 - 1 + 'A')), buf1),
-# else
- (BSD4_4 == 0.5)? " (NetBSD before 0.9)" : " (NetBSD 1.1 or later)",
-# endif
-# endif
-# endif
-#else
-#ifdef __FreeBSD__
- (BSD4_4 == 0.5)? " (FreeBSD 1.x)" : " (FreeBSD 2.0 or later)",
-#else
-#ifdef __bsdi__
- (BSD4_4 == 0.5)? " (BSD/386 1.0)" : " (BSD/386 1.1 or later)",
-#else
-#ifdef __386BSD__
- (BSD4_4 == 1)? " (386BSD, post-4.4 release)" : " (386BSD)",
-#else
-#if defined(i486) || defined(__i486) || defined(__i486__)
- " (Intel 486)",
-#else
-#if defined(i386) || defined(__i386) || defined(__i386__)
- " (Intel 386)",
-#else
-#ifdef pyr
- " (Pyramid)",
-#else
-#ifdef ultrix
-# ifdef mips
- " (DEC/MIPS)",
-# else
-# ifdef vax
- " (DEC/VAX)",
-# else /* __alpha? */
- " (DEC/Alpha)",
-# endif
-# endif
-#else
-#ifdef gould
- " (Gould)",
-#else
-#ifdef MTS
- " (MTS)",
-#else
-#ifdef __convexc__
- " (Convex)",
-#else
-#ifdef __QNX__
- " (QNX 4)",
-#else
-#ifdef __QNXNTO__
- " (QNX Neutrino)",
-#else
-#ifdef Lynx
- " (LynxOS)",
-#else
- "",
-#endif /* Lynx */
-#endif /* QNX Neutrino */
-#endif /* QNX 4 */
-#endif /* Convex */
-#endif /* MTS */
-#endif /* Gould */
-#endif /* DEC */
-#endif /* Pyramid */
-#endif /* 386 */
-#endif /* 486 */
-#endif /* 386BSD */
-#endif /* BSDI BSD/386 */
-#endif /* NetBSD */
-#endif /* FreeBSD */
-#endif /* SCO Xenix */
-#endif /* SCO Unix */
-#endif /* Minix */
-#endif /* Linux */
-#endif /* NeXT */
-#endif /* Amdahl */
-#endif /* Cray */
-#endif /* RT/AIX */
-#endif /* AIX */
-#endif /* OSF/1 */
-#endif /* HP/UX */
-#endif /* Sun */
-#endif /* SGI */
-
-#ifdef __DATE__
- " on ", __DATE__
-#else
- "", ""
-#endif
- );
-
- (*G.message)((zvoid *)&G, slide, (ulg)strlen((char *)slide), 0);
-
-} /* end function version() */
-
-#endif /* !SFX */
-
-
-
-
-#ifdef QLZIP
-
-struct qdirect {
- long d_length __attribute__ ((packed)); /* file length */
- unsigned char d_access __attribute__ ((packed)); /* file access type */
- unsigned char d_type __attribute__ ((packed)); /* file type */
- long d_datalen __attribute__ ((packed)); /* data length */
- long d_reserved __attribute__ ((packed));/* Unused */
- short d_szname __attribute__ ((packed)); /* size of name */
- char d_name[36] __attribute__ ((packed));/* name area */
- long d_update __attribute__ ((packed)); /* last update */
- long d_refdate __attribute__ ((packed));
- long d_backup __attribute__ ((packed)); /* EOD */
-};
-
-#define LONGID "QDOS02"
-#define EXTRALEN (sizeof(struct qdirect) + 8)
-#define JBLONGID "QZHD"
-#define JBEXTRALEN (sizeof(jbextra) - 4 * sizeof(char))
-
-typedef struct {
- char eb_header[4] __attribute__ ((packed)); /* place_holder */
- char longid[8] __attribute__ ((packed));
- struct qdirect header __attribute__ ((packed));
-} qdosextra;
-
-typedef struct {
- char eb_header[4]; /* place_holder */
- char longid[4];
- struct qdirect header;
-} jbextra;
-
-
-
-/* The following two functions SH() and LG() convert big-endian short
- * and long numbers into native byte order. They are some kind of
- * counterpart to the generic UnZip's makeword() and makelong() functions.
- */
-static ush SH(ush val)
-{
- uch swapbuf[2];
-
- swapbuf[1] = (uch)(val & 0xff);
- swapbuf[0] = (uch)(val >> 8);
- return (*(ush *)swapbuf);
-}
-
-
-
-static ulg LG(ulg val)
-{
- /* convert the big-endian unsigned long number `val' to the machine
- * dependant representation
- */
- ush swapbuf[2];
-
- swapbuf[1] = SH((ush)(val & 0xffff));
- swapbuf[0] = SH((ush)(val >> 16));
- return (*(ulg *)swapbuf);
-}
-
-
-
-static void qlfix(__G__ ef_ptr, ef_len)
- __GDEF
- uch *ef_ptr;
- unsigned ef_len;
-{
- while (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)) {
- /* discovered some extra field inconsistency! */
- Trace((stderr,
- "qlfix: block length %u > rest ef_size %u\n", eb_len,
- ef_len - EB_HEADSIZE));
- break;
- }
-
- switch (eb_id) {
- case EF_QDOS:
- {
- struct _ntc_
- {
- long id;
- long dlen;
- } ntc;
- long dlen = 0;
-
- qdosextra *extra = (qdosextra *)ef_ptr;
- jbextra *jbp = (jbextra *)ef_ptr;
-
- if (!strncmp(extra->longid, LONGID, strlen(LONGID)))
- {
- if (eb_len != EXTRALEN)
- if (uO.qflag)
- Info(slide, 0x201, ((char *)slide,
- "warning: invalid length in Qdos field for %s\n",
- G.filename));
- else
- Info(slide, 0x201, ((char *)slide,
- "warning: invalid length in Qdos field"));
-
- if (extra->header.d_type)
- {
- dlen = extra->header.d_datalen;
- }
- }
-
- if (!strncmp(jbp->longid, JBLONGID, strlen(JBLONGID)))
- {
- if (eb_len != JBEXTRALEN)
- if (uO.qflag)
- Info(slide, 0x201, ((char *)slide,
- "warning: invalid length in QZ field for %s\n",
- G.filename));
- else
- Info(slide, 0x201, ((char *)slide,
- "warning: invalid length in QZ field"));
- if(jbp->header.d_type)
- {
- dlen = jbp->header.d_datalen;
- }
- }
-
- if ((long)LG(dlen) > 0)
- {
- G.outfile = fopen(G.filename,"r+");
- fseek(G.outfile, -8, SEEK_END);
- fread(&ntc, 8, 1, G.outfile);
- if(ntc.id != *(long *)"XTcc")
- {
- ntc.id = *(long *)"XTcc";
- ntc.dlen = dlen;
- fwrite (&ntc, 8, 1, G.outfile);
- }
- Info(slide, 0x201, ((char *)slide, "QData = %d", LG(dlen)));
- fclose(G.outfile);
- }
- return; /* finished, cancel further extra field scanning */
- }
-
- default:
- Trace((stderr,"qlfix: unknown extra field block, ID=%d\n",
- eb_id));
- }
-
- /* Skip this extra field block */
- ef_ptr += (eb_len + EB_HEADSIZE);
- ef_len -= (eb_len + EB_HEADSIZE);
- }
-}
-#endif /* QLZIP */
-
-
-
-
-#ifdef ACORN_FTYPE_NFS
-
-/* Acorn bits for NFS filetyping */
-
-static int isRISCOSexfield(uch *extra_field)
-{
- if (extra_field != NULL) {
- RO_extra_block *block = (RO_extra_block *)extra_field;
- return (
- makeword(block->ID) == EF_SPARK &&
- (makeword(block->size) == 24 || makeword(block->size) == 20) &&
- makelong(block->ID_2) == 0x30435241 /* ARC0 */);
- }
- return FALSE;
-}
-#endif /* ACORN_FTYPE_NFS */
projects / wxWidgets.git / blobdiff