--- /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