f0d81ffd1c
which included commits to RCS files with non-trunk default branches. git-svn-id: svn://10.65.10.50/trunk@5403 c028cbd2-c16b-5b4b-a496-9718f37d4682
715 lines
23 KiB
C
Executable File
715 lines
23 KiB
C
Executable File
/*---------------------------------------------------------------------------
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human68k.c
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Human68K-specific routines for use with Info-ZIP's UnZip 5.1 and later.
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Contains: do_wild()
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mapattr()
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mapname()
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checkdir()
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close_outfile()
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version()
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TwentyOne()
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normalize_name()
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---------------------------------------------------------------------------*/
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#include <dirent.h>
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#include <sys/dos.h>
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#include <sys/xunistd.h>
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#include <jstring.h>
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#define UNZIP_INTERNAL
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#include "unzip.h"
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static void normalize_name(char *);
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static int created_dir; /* used in mapname(), checkdir() */
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static int renamed_fullpath; /* ditto */
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#ifndef SFX
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/**********************/
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/* Function do_wild() */
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/**********************/
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char *do_wild(__G__ wildspec)
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__GDEF
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char *wildspec; /* only used first time on a given dir */
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{
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static DIR *dir = NULL;
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static char *dirname, *wildname, matchname[FILNAMSIZ];
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static int firstcall=TRUE, have_dirname, dirnamelen;
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struct dirent *file;
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/* Even when we're just returning wildspec, we *always* do so in
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* matchname[]--calling routine is allowed to append four characters
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* to the returned string, and wildspec may be a pointer to argv[].
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*/
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if (firstcall) { /* first call: must initialize everything */
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firstcall = FALSE;
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/* break the wildspec into a directory part and a wildcard filename */
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if ((wildname = strrchr(wildspec, '/')) == NULL) {
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dirname = ".";
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dirnamelen = 1;
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have_dirname = FALSE;
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wildname = wildspec;
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} else {
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++wildname; /* point at character after '/' */
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dirnamelen = wildname - wildspec;
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if ((dirname = (char *)malloc(dirnamelen+1)) == NULL) {
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Info(slide, 1, ((char *)slide,
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"warning: can't allocate wildcard buffers\n"));
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strcpy(matchname, wildspec);
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return matchname; /* but maybe filespec was not a wildcard */
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}
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strncpy(dirname, wildspec, dirnamelen);
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dirname[dirnamelen] = '\0'; /* terminate for strcpy below */
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have_dirname = TRUE;
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}
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if ((dir = opendir(dirname)) != NULL) {
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while ((file = readdir(dir)) != NULL) {
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if (file->d_name[0] == '.' && wildname[0] != '.')
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continue; /* Unix: '*' and '?' do not match leading dot */
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if (match(file->d_name, wildname, 0)) { /* 0 == case sens. */
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if (have_dirname) {
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strcpy(matchname, dirname);
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strcpy(matchname+dirnamelen, file->d_name);
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} else
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strcpy(matchname, file->d_name);
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return matchname;
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}
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}
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/* if we get to here directory is exhausted, so close it */
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closedir(dir);
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dir = NULL;
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}
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/* return the raw wildspec in case that works (e.g., directory not
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* searchable, but filespec was not wild and file is readable) */
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strcpy(matchname, wildspec);
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return matchname;
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}
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/* last time through, might have failed opendir but returned raw wildspec */
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if (dir == NULL) {
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firstcall = TRUE; /* nothing left to try--reset for new wildspec */
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if (have_dirname)
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free(dirname);
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return (char *)NULL;
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}
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/* If we've gotten this far, we've read and matched at least one entry
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* successfully (in a previous call), so dirname has been copied into
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* matchname already.
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*/
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while ((file = readdir(dir)) != NULL)
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if (match(file->d_name, wildname, 0)) { /* 0 == don't ignore case */
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if (have_dirname) {
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/* strcpy(matchname, dirname); */
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strcpy(matchname+dirnamelen, file->d_name);
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} else
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strcpy(matchname, file->d_name);
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return matchname;
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}
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closedir(dir); /* have read at least one dir entry; nothing left */
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dir = NULL;
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firstcall = TRUE; /* reset for new wildspec */
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if (have_dirname)
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free(dirname);
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return (char *)NULL;
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} /* end function do_wild() */
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#endif /* !SFX */
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/**********************/
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/* Function mapattr() */
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/**********************/
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int mapattr(__G)
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__GDEF
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{
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ulg tmp = G.crec.external_file_attributes;
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if (G.pInfo->hostnum == UNIX_ || G.pInfo->hostnum == VMS_)
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G.pInfo->file_attr = _mode2dos(tmp >> 16);
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else
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/* set archive bit (file is not backed up): */
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G.pInfo->file_attr = (unsigned)(G.crec.external_file_attributes|32) &
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0xff;
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return 0;
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} /* end function mapattr() */
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/**********************/
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/* Function mapname() */
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/**********************/
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/* return 0 if no error, 1 if caution (filename */
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int mapname(__G__ renamed) /* truncated), 2 if warning (skip file because */
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__GDEF /* dir doesn't exist), 3 if error (skip file), */
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int renamed; /* or 10 if out of memory (skip file) */
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{ /* [also IZ_VOL_LABEL, IZ_CREATED_DIR] */
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char pathcomp[FILNAMSIZ]; /* path-component buffer */
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char *pp, *cp=(char *)NULL; /* character pointers */
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char *lastsemi=(char *)NULL; /* pointer to last semi-colon in pathcomp */
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int quote = FALSE; /* flags */
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int error = 0;
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register unsigned workch; /* hold the character being tested */
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/*---------------------------------------------------------------------------
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Initialize various pointers and counters and stuff.
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---------------------------------------------------------------------------*/
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if (G.pInfo->vollabel)
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return IZ_VOL_LABEL; /* can't set disk volume labels in Unix */
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/* can create path as long as not just freshening, or if user told us */
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G.create_dirs = (!G.fflag || renamed);
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created_dir = FALSE; /* not yet */
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/* user gave full pathname: don't prepend rootpath */
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renamed_fullpath = (renamed && (*filename == '/'));
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if (checkdir(__G__ (char *)NULL, INIT) == 10)
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return 10; /* initialize path buffer, unless no memory */
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*pathcomp = '\0'; /* initialize translation buffer */
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pp = pathcomp; /* point to translation buffer */
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if (G.jflag) /* junking directories */
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cp = (char *)strrchr(G.filename, '/');
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if (cp == NULL) /* no '/' or not junking dirs */
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cp = G.filename; /* point to internal zipfile-member pathname */
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else
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++cp; /* point to start of last component of path */
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/*---------------------------------------------------------------------------
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Begin main loop through characters in filename.
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---------------------------------------------------------------------------*/
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while ((workch = (uch)*cp++) != 0) {
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if (iskanji(workch)) {
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*pp++ = (char)workch;
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quote = TRUE;
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} else if (quote) { /* if character quoted, */
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*pp++ = (char)workch; /* include it literally */
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quote = FALSE;
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} else
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switch (workch) {
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case '/': /* can assume -j flag not given */
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*pp = '\0';
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if ((error = checkdir(__G__ pathcomp, APPEND_DIR)) > 1)
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return error;
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pp = pathcomp; /* reset conversion buffer for next piece */
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lastsemi = NULL; /* leave directory semi-colons alone */
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break;
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case ';': /* VMS version (or DEC-20 attrib?) */
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lastsemi = pp; /* keep for now; remove VMS ";##" */
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*pp++ = (char)workch; /* later, if requested */
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break;
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case '\026': /* control-V quote for special chars */
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quote = TRUE; /* set flag for next character */
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break;
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case ' ': /* change spaces to underscore under */
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*pp++ = '_'; /* MTS; leave as spaces under Unix */
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break;
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default:
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/* allow European characters in filenames: */
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if (isprint(workch) || (128 <= workch && workch <= 254))
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*pp++ = (char)workch;
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} /* end switch */
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} /* end while loop */
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*pp = '\0'; /* done with pathcomp: terminate it */
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/* if not saving them, remove VMS version numbers (appended ";###") */
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if (!G.V_flag && lastsemi) {
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pp = lastsemi + 1;
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while (isdigit((uch)(*pp)))
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++pp;
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if (*pp == '\0') /* only digits between ';' and end: nuke */
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*lastsemi = '\0';
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}
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/*---------------------------------------------------------------------------
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Report if directory was created (and no file to create: filename ended
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in '/'), check name to be sure it exists, and combine path and name be-
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fore exiting.
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---------------------------------------------------------------------------*/
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if (G.filename[strlen(G.filename) - 1] == '/') {
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checkdir(__G__ G.filename, GETPATH);
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if (created_dir) {
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if (QCOND2) {
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Info(slide, 0, ((char *)slide, " creating: %s\n",
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G.filename));
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}
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return IZ_CREATED_DIR; /* set dir time (note trailing '/') */
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}
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return 2; /* dir existed already; don't look for data to extract */
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}
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if (*pathcomp == '\0') {
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Info(slide, 1, ((char *)slide, "mapname: conversion of %s failed\n",
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G.filename));
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return 3;
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}
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checkdir(__G__ pathcomp, APPEND_NAME); /* returns 1 if truncated: care? */
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checkdir(__G__ G.filename, GETPATH);
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return error;
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} /* end function mapname() */
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/***********************/
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/* Function checkdir() */
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/***********************/
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int checkdir(__G__ pathcomp, flag)
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__GDEF
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char *pathcomp;
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int flag;
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/*
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* returns: 1 - (on APPEND_NAME) truncated filename
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* 2 - path doesn't exist, not allowed to create
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* 3 - path doesn't exist, tried to create and failed; or
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* path exists and is not a directory, but is supposed to be
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* 4 - path is too long
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* 10 - can't allocate memory for filename buffers
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*/
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{
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static int rootlen = 0; /* length of rootpath */
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static char *rootpath; /* user's "extract-to" directory */
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static char *buildpath; /* full path (so far) to extracted file */
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static char *end; /* pointer to end of buildpath ('\0') */
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# define FN_MASK 7
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# define FUNCTION (flag & FN_MASK)
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/*---------------------------------------------------------------------------
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APPEND_DIR: append the path component to the path being built and check
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for its existence. If doesn't exist and we are creating directories, do
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so for this one; else signal success or error as appropriate.
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---------------------------------------------------------------------------*/
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if (FUNCTION == APPEND_DIR) {
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int too_long = FALSE;
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char *old_end = end;
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Trace((stderr, "appending dir segment [%s]\n", pathcomp));
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while ((*end = *pathcomp++) != '\0')
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++end;
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normalize_name(old_end);
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/* GRR: could do better check, see if overrunning buffer as we go:
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* check end-buildpath after each append, set warning variable if
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* within 20 of FILNAMSIZ; then if var set, do careful check when
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* appending. Clear variable when begin new path. */
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if ((end-buildpath) > FILNAMSIZ-3) /* need '/', one-char name, '\0' */
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too_long = TRUE; /* check if extracting directory? */
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if (stat(buildpath, &G.statbuf)) /* path doesn't exist */
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{
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if (!G.create_dirs) { /* told not to create (freshening) */
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free(buildpath);
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return 2; /* path doesn't exist: nothing to do */
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}
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if (too_long) {
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Info(slide, 1, ((char *)slide,
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"checkdir error: path too long: %s\n",
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buildpath));
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free(buildpath);
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return 4; /* no room for filenames: fatal */
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}
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if (MKDIR(buildpath, 0666) == -1) { /* create the directory */
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Info(slide, 1, ((char *)slide,
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"checkdir error: can't create %s\n\
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unable to process %s.\n",
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buildpath, G.filename));
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free(buildpath);
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return 3; /* path didn't exist, tried to create, failed */
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}
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created_dir = TRUE;
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} else if (!S_ISDIR(G.statbuf.st_mode)) {
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Info(slide, 1, ((char *)slide,
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"checkdir error: %s exists but is not directory\n\
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unable to process %s.\n",
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buildpath, G.filename));
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free(buildpath);
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return 3; /* path existed but wasn't dir */
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}
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if (too_long) {
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Info(slide, 1, ((char *)slide,
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"checkdir error: path too long: %s\n",
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buildpath));
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free(buildpath);
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return 4; /* no room for filenames: fatal */
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}
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*end++ = '/';
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*end = '\0';
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Trace((stderr, "buildpath now = [%s]\n", buildpath));
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return 0;
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} /* end if (FUNCTION == APPEND_DIR) */
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/*---------------------------------------------------------------------------
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GETPATH: copy full path to the string pointed at by pathcomp, and free
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buildpath.
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---------------------------------------------------------------------------*/
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if (FUNCTION == GETPATH) {
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strcpy(pathcomp, buildpath);
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Trace((stderr, "getting and freeing path [%s]\n", pathcomp));
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free(buildpath);
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buildpath = end = (char *)NULL;
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return 0;
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}
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/*---------------------------------------------------------------------------
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APPEND_NAME: assume the path component is the filename; append it and
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return without checking for existence.
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---------------------------------------------------------------------------*/
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if (FUNCTION == APPEND_NAME) {
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char *old_end = end;
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Trace((stderr, "appending filename [%s]\n", pathcomp));
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while ((*end = *pathcomp++) != '\0') {
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++end;
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normalize_name(old_end);
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if ((end-buildpath) >= FILNAMSIZ) {
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*--end = '\0';
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Info(slide, 1, ((char *)slide,
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"checkdir warning: path too long; truncating\n\
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%s\n -> %s\n",
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G.filename, buildpath));
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return 1; /* filename truncated */
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}
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}
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Trace((stderr, "buildpath now = [%s]\n", buildpath));
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return 0; /* could check for existence here, prompt for new name... */
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}
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/*---------------------------------------------------------------------------
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INIT: allocate and initialize buffer space for the file currently being
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extracted. If file was renamed with an absolute path, don't prepend the
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extract-to path.
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---------------------------------------------------------------------------*/
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/* GRR: for VMS and TOPS-20, add up to 13 to strlen */
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if (FUNCTION == INIT) {
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Trace((stderr, "initializing buildpath to "));
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if ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+1)) ==
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(char *)NULL)
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return 10;
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if ((rootlen > 0) && !renamed_fullpath) {
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strcpy(buildpath, rootpath);
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end = buildpath + rootlen;
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} else {
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*buildpath = '\0';
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end = buildpath;
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}
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Trace((stderr, "[%s]\n", buildpath));
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return 0;
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}
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/*---------------------------------------------------------------------------
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ROOT: if appropriate, store the path in rootpath and create it if neces-
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sary; else assume it's a zipfile member and return. This path segment
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gets used in extracting all members from every zipfile specified on the
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command line.
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---------------------------------------------------------------------------*/
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#if (!defined(SFX) || defined(SFX_EXDIR))
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if (FUNCTION == ROOT) {
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Trace((stderr, "initializing root path to [%s]\n", pathcomp));
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if (pathcomp == (char *)NULL) {
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rootlen = 0;
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return 0;
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}
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if ((rootlen = strlen(pathcomp)) > 0) {
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int had_trailing_pathsep=FALSE;
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if (pathcomp[rootlen-1] == '/') {
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pathcomp[--rootlen] = '\0';
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had_trailing_pathsep = TRUE;
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}
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if (rootlen > 0 && (SSTAT(pathcomp, &G.statbuf) ||
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!S_ISDIR(G.statbuf.st_mode))) /* path does not exist */
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{
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if (!G.create_dirs /* || iswild(pathcomp) */ ) {
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rootlen = 0;
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return 2; /* skip (or treat as stored file) */
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}
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/* create the directory (could add loop here to scan pathcomp
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* and create more than one level, but why really necessary?) */
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if (MKDIR(pathcomp, 0777) == -1) {
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Info(slide, 1, ((char *)slide,
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"checkdir: can't create extraction directory: %s\n",
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pathcomp));
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rootlen = 0; /* path didn't exist, tried to create, and */
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return 3; /* failed: file exists, or 2+ levels required */
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}
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}
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if ((rootpath = (char *)malloc(rootlen+2)) == NULL) {
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rootlen = 0;
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return 10;
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}
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strcpy(rootpath, pathcomp);
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rootpath[rootlen++] = '/';
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rootpath[rootlen] = '\0';
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Trace((stderr, "rootpath now = [%s]\n", rootpath));
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}
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return 0;
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}
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#endif /* !SFX || SFX_EXDIR */
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/*---------------------------------------------------------------------------
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END: free rootpath, immediately prior to program exit.
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---------------------------------------------------------------------------*/
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if (FUNCTION == END) {
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Trace((stderr, "freeing rootpath\n"));
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if (rootlen > 0)
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free(rootpath);
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return 0;
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}
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return 99; /* should never reach */
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} /* end function checkdir() */
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/****************************/
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/* Function close_outfile() */
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/****************************/
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void close_outfile(__G)
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__GDEF
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{
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#ifdef USE_EF_UT_TIME
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iztimes z_utime;
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/* The following DOS date/time structure is machine dependent as it
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* assumes "little endian" byte order. For MSDOS specific code, which
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* is run on ix86 CPUs (or emulators), this assumption is valid; but
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|
* care should be taken when using this code as template for other ports.
|
|
*/
|
|
union {
|
|
ulg z_dostime;
|
|
struct { /* date and time words */
|
|
union { /* DOS file modification time word */
|
|
ush ztime;
|
|
struct {
|
|
unsigned zt_se : 5;
|
|
unsigned zt_mi : 6;
|
|
unsigned zt_hr : 5;
|
|
} _tf;
|
|
} _t;
|
|
union { /* DOS file modification date word */
|
|
ush zdate;
|
|
struct {
|
|
unsigned zd_dy : 5;
|
|
unsigned zd_mo : 4;
|
|
unsigned zd_yr : 7;
|
|
} _df;
|
|
} _d;
|
|
} zt;
|
|
} dos_dt;
|
|
#endif /* USE_EF_UT_TIME */
|
|
|
|
if (G.cflag) {
|
|
fclose(G.outfile);
|
|
return;
|
|
}
|
|
|
|
#ifdef USE_EF_UT_TIME
|
|
if (G.extra_field &&
|
|
(ef_scan_for_izux(G.extra_field, G.lrec.extra_field_length, 0,
|
|
&z_utime, NULL) & EB_UT_FL_MTIME)) {
|
|
struct tm *t;
|
|
|
|
TTrace((stderr, "close_outfile: Unix e.f. modif. time = %ld\n",
|
|
z_utime.mtime));
|
|
/* round up to even seconds */
|
|
z_utime.mtime = (z_utime.mtime + 1) & (~1);
|
|
t = localtime(&(z_utime.mtime));
|
|
if (t->tm_year < 80) {
|
|
dos_dt.zt._t._tf.zt_se = 0;
|
|
dos_dt.zt._t._tf.zt_mi = 0;
|
|
dos_dt.zt._t._tf.zt_hr = 0;
|
|
dos_dt.zt._d._df.zd_dy = 1;
|
|
dos_dt.zt._d._df.zd_mo = 1;
|
|
dos_dt.zt._d._df.zd_yr = 0;
|
|
} else {
|
|
dos_dt.zt._t._tf.zt_se = t->tm_sec >> 1;
|
|
dos_dt.zt._t._tf.zt_mi = t->tm_min;
|
|
dos_dt.zt._t._tf.zt_hr = t->tm_hour;
|
|
dos_dt.zt._d._df.zd_dy = t->tm_mday;
|
|
dos_dt.zt._d._df.zd_mo = t->tm_mon + 1;
|
|
dos_dt.zt._d._df.zd_yr = t->tm_year - 80;
|
|
}
|
|
} else {
|
|
dos_dt.zt._t.ztime = G.lrec.last_mod_file_time;
|
|
dos_dt.zt._d.zdate = G.lrec.last_mod_file_date;
|
|
}
|
|
_dos_filedate(fileno(G.outfile), dos_dt.z_dostime);
|
|
#else /* !USE_EF_UT_TIME */
|
|
_dos_filedate(fileno(G.outfile),
|
|
(ulg)G.lrec.last_mod_file_date << 16 | G.lrec.last_mod_file_time);
|
|
#endif /* ?USE_EF_UT_TIME */
|
|
|
|
fclose(G.outfile);
|
|
|
|
_dos_chmod(G.filename, G.pInfo->file_attr);
|
|
|
|
} /* end function close_outfile() */
|
|
|
|
|
|
|
|
|
|
#ifndef SFX
|
|
|
|
/************************/
|
|
/* Function version() */
|
|
/************************/
|
|
|
|
void version(__G)
|
|
__GDEF
|
|
{
|
|
int len;
|
|
#if 0
|
|
char buf[40];
|
|
#endif
|
|
|
|
len = sprintf((char *)slide, LoadFarString(CompiledWith),
|
|
|
|
#ifdef __GNUC__
|
|
"gcc ", __VERSION__,
|
|
#else
|
|
# if 0
|
|
"cc ", (sprintf(buf, " version %d", _RELEASE), buf),
|
|
# else
|
|
"unknown compiler", "",
|
|
# endif
|
|
#endif
|
|
|
|
"Human68k", " (X68000)",
|
|
|
|
#ifdef __DATE__
|
|
" on ", __DATE__
|
|
#else
|
|
"", ""
|
|
#endif
|
|
);
|
|
|
|
(*G.message)((zvoid *)&G, slide, (ulg)len, 0);
|
|
|
|
} /* end function version() */
|
|
|
|
#endif /* !SFX */
|
|
|
|
|
|
|
|
|
|
|
|
/* Human68K-specific routines */
|
|
|
|
#define VALID_CHAR "&#()@_^{}!"
|
|
|
|
extern ulg TwentyOneOptions(void);
|
|
|
|
static int multi_period = 0;
|
|
static int special_char = 0;
|
|
|
|
void
|
|
InitTwentyOne(void)
|
|
{
|
|
ulg stat;
|
|
|
|
stat = TwentyOneOptions();
|
|
if (stat == 0 || stat == (unsigned long) -1) {
|
|
special_char = 0;
|
|
multi_period = 0;
|
|
return;
|
|
}
|
|
if (stat & (1UL << 29))
|
|
special_char = 1;
|
|
if (stat & (1UL << 28))
|
|
multi_period = 1;
|
|
}
|
|
|
|
static void
|
|
normalize_name(char *name)
|
|
{
|
|
char *dot;
|
|
char *p;
|
|
|
|
if (strlen(name) > 18) { /* too long */
|
|
char base[18 + 1];
|
|
char ext[4 + 1];
|
|
|
|
if ((dot = jstrrchr(name, '.')) != NULL)
|
|
*dot = '\0';
|
|
strncpy(base, name, 18);
|
|
base[18] = '\0';
|
|
if (dot) {
|
|
*dot = '.';
|
|
strncpy(ext, dot, 4);
|
|
ext[4] = '\0';
|
|
} else
|
|
*ext = '\0';
|
|
strcpy(name, base);
|
|
strcat(name, ext);
|
|
}
|
|
dot = NULL;
|
|
for (p = name; *p; p++) {
|
|
if (iskanji((unsigned char)*p) && p[1] != '\0')
|
|
p++;
|
|
else if (*p == '.') {
|
|
if (!multi_period) {
|
|
dot = p;
|
|
*p = '_';
|
|
}
|
|
} else if (!special_char && !isalnum (*p)
|
|
&& strchr(VALID_CHAR, *p) == NULL)
|
|
*p = '_';
|
|
}
|
|
if (dot != NULL) {
|
|
*dot = '.';
|
|
if (strlen(dot) > 4)
|
|
dot[4] = '\0';
|
|
}
|
|
}
|