forked from KolibriOS/kolibrios
916 lines
32 KiB
C
916 lines
32 KiB
C
/*
|
|
Copyright (c) 1990-2007 Info-ZIP. All rights reserved.
|
|
|
|
See the accompanying file LICENSE, version 2007-Mar-04 or later
|
|
(the contents of which are also included in unzip.h) for terms of use.
|
|
If, for some reason, all these files are missing, the Info-ZIP license
|
|
also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html
|
|
*/
|
|
/*---------------------------------------------------------------------------
|
|
|
|
netware.c
|
|
|
|
This file implements these functions for a NetWare Loadable Module (NLM):
|
|
|
|
Contains: InitUnZipConsole()
|
|
do_wild()
|
|
mapattr()
|
|
mapname()
|
|
checkdir()
|
|
close_outfile()
|
|
stamp_file()
|
|
version()
|
|
screensize()
|
|
|
|
---------------------------------------------------------------------------*/
|
|
|
|
|
|
#define UNZIP_INTERNAL
|
|
#include "unzip.h"
|
|
#include <dirent.h>
|
|
#include <nwdir.h>
|
|
#include <nwnamspc.h>
|
|
#include <nwconio.h>
|
|
#include <nwthread.h>
|
|
#include <nwadv.h>
|
|
|
|
#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;
|
|
|
|
#endif /* ACORN_FTYPE_NFS */
|
|
|
|
static int created_dir; /* used in mapname(), checkdir() */
|
|
static int renamed_fullpath; /* ditto */
|
|
|
|
|
|
/*********************************/
|
|
/* Function InitUnZipConsole() */
|
|
/*********************************/
|
|
|
|
void InitUnZipConsole()
|
|
{
|
|
unsigned int myHandle = GetNLMHandle();
|
|
unsigned int *activeScreen =
|
|
ImportSymbol(myHandle, "activeScreen");
|
|
unsigned int *systemConsoleScreen =
|
|
ImportSymbol(myHandle, "systemConsoleScreen");
|
|
void (*pUseAccurateCaseForPaths)(int) =
|
|
ImportSymbol(myHandle, "UseAccurateCaseForPaths");
|
|
|
|
if (!activeScreen || !systemConsoleScreen ||
|
|
*activeScreen == *systemConsoleScreen)
|
|
CreateScreen("Info-ZIP UnZip Utility", 0);
|
|
else
|
|
CreateScreen("System Console", DONT_AUTO_ACTIVATE);
|
|
|
|
SetCurrentNameSpace(NW_NS_LONG);
|
|
if (pUseAccurateCaseForPaths)
|
|
pUseAccurateCaseForPaths(TRUE);
|
|
|
|
UnimportSymbol(myHandle, "activeScreen");
|
|
UnimportSymbol(myHandle, "systemConsoleScreen");
|
|
UnimportSymbol(myHandle, "UseAccurateCaseForPaths");
|
|
}
|
|
|
|
|
|
/**********************/
|
|
/* Function do_wild() */ /* for porting: dir separator; match(ignore_case) */
|
|
/**********************/
|
|
|
|
char *do_wild(__G__ wildspec)
|
|
__GDEF
|
|
ZCONST char *wildspec; /* only used first time on a given dir */
|
|
{
|
|
static DIR *wild_dir = (DIR *)NULL;
|
|
static ZCONST char *wildname;
|
|
static char *dirname, matchname[FILNAMSIZ];
|
|
static int notfirstcall=FALSE, 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 (!notfirstcall) { /* first call: must initialize everything */
|
|
notfirstcall = TRUE;
|
|
|
|
if (!iswild(wildspec)) {
|
|
strncpy(matchname, wildspec, FILNAMSIZ);
|
|
matchname[FILNAMSIZ-1] = '\0';
|
|
have_dirname = FALSE;
|
|
dir = NULL;
|
|
return matchname;
|
|
}
|
|
|
|
/* break the wildspec into a directory part and a wildcard filename */
|
|
if ((wildname = strrchr(wildspec, '/')) == (ZCONST 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"));
|
|
strncpy(matchname, wildspec, FILNAMSIZ);
|
|
matchname[FILNAMSIZ-1] = '\0';
|
|
return matchname; /* but maybe filespec was not a wildcard */
|
|
}
|
|
strncpy(dirname, wildspec, dirnamelen);
|
|
dirname[dirnamelen] = '\0'; /* terminate for strcpy below */
|
|
have_dirname = TRUE;
|
|
}
|
|
|
|
if ((wild_dir = opendir(dirname)) != (DIR *)NULL) {
|
|
while ((file = readdir(wild_dir)) != (struct dirent *)NULL) {
|
|
Trace((stderr, "do_wild: readdir returns %s\n",
|
|
FnFilter1(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 WISEP) && /* 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(wild_dir);
|
|
wild_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) */
|
|
strncpy(matchname, wildspec, FILNAMSIZ);
|
|
matchname[FILNAMSIZ-1] = '\0';
|
|
return matchname;
|
|
}
|
|
|
|
/* last time through, might have failed opendir but returned raw wildspec */
|
|
if (wild_dir == (DIR *)NULL) {
|
|
notfirstcall = FALSE; /* 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(wild_dir)) != (struct dirent *)NULL) {
|
|
Trace((stderr, "do_wild: readdir returns %s\n",
|
|
FnFilter1(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 WISEP)) { /* 0 == case sens. */
|
|
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(wild_dir); /* have read at least one entry; nothing left */
|
|
wild_dir = (DIR *)NULL;
|
|
notfirstcall = FALSE; /* reset for new wildspec */
|
|
if (have_dirname)
|
|
free(dirname);
|
|
return (char *)NULL;
|
|
|
|
} /* end function do_wild() */
|
|
|
|
|
|
/**********************/
|
|
/* 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 ATHEOS_:
|
|
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:
|
|
/* Ensure that DOS subdir bit is set when the entry's name ends
|
|
* in a '/'. Some third-party Zip programs fail to set the subdir
|
|
* bit for directory entries.
|
|
*/
|
|
if ((tmp & 0x10) == 0) {
|
|
extent fnlen = strlen(G.filename);
|
|
if (fnlen > 0 && G.filename[fnlen-1] == '/')
|
|
tmp |= 0x10;
|
|
}
|
|
/* 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() */
|
|
/**********************/
|
|
|
|
int mapname(__G__ renamed)
|
|
__GDEF
|
|
int renamed;
|
|
/*
|
|
* returns:
|
|
* MPN_OK - no problem detected
|
|
* MPN_INF_TRUNC - caution (truncated filename)
|
|
* MPN_INF_SKIP - info "skip entry" (dir doesn't exist)
|
|
* MPN_ERR_SKIP - error -> skip entry
|
|
* MPN_ERR_TOOLONG - error -> path is too long
|
|
* MPN_NOMEM - error (memory allocation failed) -> skip entry
|
|
* [also MPN_VOL_LABEL, MPN_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 */
|
|
RO_extra_block *ef_spark; /* pointer Acorn FTYPE ef block */
|
|
#endif
|
|
int killed_ddot = FALSE; /* is set when skipping "../" pathcomp */
|
|
int error = MPN_OK;
|
|
register unsigned workch; /* hold the character being tested */
|
|
|
|
|
|
/*---------------------------------------------------------------------------
|
|
Initialize various pointers and counters and stuff.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
if (G.pInfo->vollabel)
|
|
return MPN_VOL_LABEL; /* can't set disk volume labels in Netware */
|
|
|
|
/* 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) == MPN_NOMEM)
|
|
return MPN_NOMEM; /* 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) {
|
|
|
|
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 (created_dir) {
|
|
if (QCOND2) {
|
|
Info(slide, 0, ((char *)slide, " creating: %s\n",
|
|
FnFilter1(G.filename)));
|
|
}
|
|
#if !defined(NO_CHMOD) && !defined(NLM)
|
|
/* In NetWare, chmod does not work on directories */
|
|
/* 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
|
|
/* set dir time (note trailing '/') */
|
|
return (error & ~MPN_MASK) | MPN_CREATED_DIR;
|
|
}
|
|
/* 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';
|
|
}
|
|
|
|
#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 ((*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);
|
|
/* path doesn't exist: nothing to do */
|
|
return MPN_INF_SKIP;
|
|
}
|
|
if (too_long) {
|
|
Info(slide, 1, ((char *)slide,
|
|
"checkdir error: path too long: %s\n",
|
|
FnFilter1(buildpath)));
|
|
free(buildpath);
|
|
/* no room for filenames: fatal */
|
|
return MPN_ERR_TOOLONG;
|
|
}
|
|
if (mkdir(buildpath) == -1) { /* create the directory */
|
|
Info(slide, 1, ((char *)slide,
|
|
"checkdir error: cannot create %s\n\
|
|
unable to process %s.\n",
|
|
FnFilter2(buildpath), FnFilter1(G.filename)));
|
|
free(buildpath);
|
|
/* path didn't exist, tried to create, failed */
|
|
return MPN_ERR_SKIP;
|
|
}
|
|
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(buildpath), FnFilter1(G.filename)));
|
|
free(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(buildpath)));
|
|
free(buildpath);
|
|
/* no room for filenames: fatal */
|
|
return MPN_ERR_TOOLONG;
|
|
}
|
|
*end++ = '/';
|
|
*end = '\0';
|
|
Trace((stderr, "buildpath now = [%s]\n", FnFilter1(buildpath)));
|
|
return MPN_OK;
|
|
|
|
} /* 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",
|
|
FnFilter1(pathcomp)));
|
|
free(buildpath);
|
|
buildpath = 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 ((*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",
|
|
FnFilter1(G.filename), FnFilter2(buildpath)));
|
|
return MPN_INF_TRUNC; /* filename truncated */
|
|
}
|
|
}
|
|
Trace((stderr, "buildpath now = [%s]\n", FnFilter1(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 ((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 MPN_NOMEM;
|
|
if ((rootlen > 0) && !renamed_fullpath) {
|
|
strcpy(buildpath, rootpath);
|
|
end = buildpath + rootlen;
|
|
} else {
|
|
*buildpath = '\0';
|
|
end = buildpath;
|
|
}
|
|
Trace((stderr, "[%s]\n", FnFilter1(buildpath)));
|
|
return MPN_OK;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
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",
|
|
FnFilter1(pathcomp)));
|
|
if (pathcomp == (char *)NULL) {
|
|
rootlen = 0;
|
|
return MPN_OK;
|
|
}
|
|
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;
|
|
/* skip (or treat as stored file) */
|
|
return MPN_INF_SKIP;
|
|
}
|
|
/* create the directory (could add loop here to scan pathcomp
|
|
* and create more than one level, but why really necessary?) */
|
|
if (mkdir(pathcomp) == -1) {
|
|
Info(slide, 1, ((char *)slide,
|
|
"checkdir: cannot create extraction directory: %s\n",
|
|
FnFilter1(pathcomp)));
|
|
rootlen = 0;
|
|
/* path didn't exist, tried to create, and failed: */
|
|
/* file exists, or 2+ subdirectory levels required */
|
|
return MPN_ERR_SKIP;
|
|
}
|
|
}
|
|
if ((rootpath = (char *)malloc(rootlen+2)) == (char *)NULL) {
|
|
rootlen = 0;
|
|
return MPN_NOMEM;
|
|
}
|
|
strcpy(rootpath, pathcomp);
|
|
rootpath[rootlen++] = '/';
|
|
rootpath[rootlen] = '\0';
|
|
Trace((stderr, "rootpath now = [%s]\n", FnFilter1(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 (rootlen > 0) {
|
|
free(rootpath);
|
|
rootlen = 0;
|
|
}
|
|
return MPN_OK;
|
|
}
|
|
|
|
return MPN_INVALID; /* should never reach */
|
|
|
|
} /* end function checkdir() */
|
|
|
|
|
|
|
|
/****************************/
|
|
/* Function close_outfile() */
|
|
/****************************/
|
|
|
|
void close_outfile(__G) /* GRR: change to return PK-style warning level */
|
|
__GDEF
|
|
{
|
|
fclose(G.outfile);
|
|
|
|
/* skip restoring time stamps on user's request */
|
|
if (uO.D_flag <= 1) {
|
|
WORD date = G.lrec.last_mod_dos_datetime >> 16;
|
|
WORD time = G.lrec.last_mod_dos_datetime & 0xffff;
|
|
static struct ModifyStructure changeBuffer;
|
|
|
|
/* set the file's access and modification times */
|
|
changeBuffer.MLastAccessedDate = date;
|
|
changeBuffer.MLastUpdatedDate = date;
|
|
changeBuffer.MLastUpdatedTime = time;
|
|
if (ChangeDirectoryEntry(G.filename, &changeBuffer,
|
|
MLastAccessedDateBit | MLastUpdatedDateBit | MLastUpdatedTimeBit,
|
|
0))
|
|
{
|
|
if (uO.qflag)
|
|
Info(slide, 0x201, ((char *)slide,
|
|
"warning: cannot set times for %s\n",
|
|
FnFilter1(G.filename)));
|
|
else
|
|
Info(slide, 0x201, ((char *)slide,
|
|
" (warning) cannot set times"));
|
|
}
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
Change the file permissions from default ones to those stored in the
|
|
zipfile.
|
|
---------------------------------------------------------------------------*/
|
|
|
|
if (chmod(G.filename, 0xffff & G.pInfo->file_attr))
|
|
perror("chmod (file attributes) error");
|
|
|
|
} /* end function close_outfile() */
|
|
|
|
|
|
#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 */
|
|
|
|
|
|
/************************/
|
|
/* Function version() */
|
|
/************************/
|
|
|
|
void version(__G)
|
|
__GDEF
|
|
{
|
|
int len;
|
|
#if defined(__IBMC__) || defined(__WATCOMC__) || defined(_MSC_VER)
|
|
char buf[80];
|
|
#endif
|
|
|
|
len = sprintf((char *)slide, LoadFarString(CompiledWith),
|
|
|
|
#if defined(__GNUC__)
|
|
# ifdef __EMX__ /* __EMX__ is defined as "1" only (sigh) */
|
|
"emx+gcc ", __VERSION__,
|
|
# else
|
|
"gcc/2 ", __VERSION__,
|
|
# endif
|
|
#elif defined(__WATCOMC__)
|
|
"Watcom C", (sprintf(buf, " (__WATCOMC__ = %d)", __WATCOMC__), buf),
|
|
#elif defined(__TURBOC__)
|
|
# ifdef __BORLANDC__
|
|
"Borland C++",
|
|
# if (__BORLANDC__ < 0x0460)
|
|
" 1.0",
|
|
# elif (__BORLANDC__ == 0x0460)
|
|
" 1.5", /* from Kai Uwe: three less than DOS */
|
|
# else
|
|
" 2.0", /* (__BORLANDC__ == 0x0500)? */
|
|
# endif
|
|
# else
|
|
"Turbo C", /* these are probably irrelevant */
|
|
# if (__TURBOC__ >= 661)
|
|
"++ 1.0 or later",
|
|
# elif (__TURBOC__ == 661)
|
|
" 3.0?",
|
|
# elif (__TURBOC__ == 397)
|
|
" 2.0",
|
|
# else
|
|
" 1.0 or 1.5?",
|
|
# endif
|
|
# endif
|
|
#elif defined(MSC)
|
|
"Microsoft C ",
|
|
# ifdef _MSC_VER
|
|
(sprintf(buf, "%d.%02d", _MSC_VER/100, _MSC_VER%100), buf),
|
|
# else
|
|
"5.1 or earlier",
|
|
# endif
|
|
#else
|
|
"unknown compiler", "",
|
|
#endif /* ?compilers */
|
|
|
|
"NetWare",
|
|
" (32-bit)",
|
|
|
|
#ifdef __DATE__
|
|
" on ", __DATE__
|
|
#else
|
|
"", ""
|
|
#endif
|
|
);
|
|
|
|
(*G.message)((zvoid *)&G, slide, (ulg)len, 0);
|
|
/* MSC can't handle huge macro expansions */
|
|
|
|
} /* end function version() */
|
|
|
|
|
|
#ifdef MORE
|
|
|
|
/*************************/
|
|
/* Function screensize() */
|
|
/*************************/
|
|
|
|
int screensize(int *tt_rows, int *tt_cols)
|
|
{
|
|
WORD height;
|
|
WORD width;
|
|
|
|
if (GetSizeOfScreen(&height, &width) == 0) {
|
|
if (tt_rows != NULL) *tt_rows = height;
|
|
if (tt_cols != NULL) *tt_cols = width;
|
|
return 0; /* signal success */
|
|
} else {
|
|
if (tt_rows != NULL) *tt_rows = 25;
|
|
if (tt_cols != NULL) *tt_cols = 80;
|
|
return 1; /* signal failure */
|
|
}
|
|
}
|
|
|
|
#endif /* MORE */
|