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
		
			
				
	
	
		
			1188 lines
		
	
	
		
			37 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			1188 lines
		
	
	
		
			37 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
| /*---------------------------------------------------------------------------
 | |
| 
 | |
|   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()
 | |
|              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 */
 | |
| 
 | |
| 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;
 | |
| 
 | |
|         /* 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:  can't 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) {
 | |
|                 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. */
 | |
|                     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)
 | |
|         if (match(file->d_name, wildname, 0)) {   /* 0 == don't ignore case */
 | |
|             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;
 | |
| 
 | |
|     switch (G.pInfo->hostnum) {
 | |
|         case UNIX_:
 | |
|         case VMS_:
 | |
|             G.pInfo->file_attr = (unsigned)(tmp >> 16);
 | |
|             return 0;
 | |
|         case AMIGA_:
 | |
|             tmp = (unsigned)(tmp>>17 & 7);   /* Amiga RWE bits */
 | |
|             G.pInfo->file_attr = (unsigned)(tmp<<6 | tmp<<3 | tmp);
 | |
|             break;
 | |
|         /* all remaining cases:  expand MSDOS read-only bit into write perms */
 | |
|         case FS_FAT_:
 | |
|         case FS_HPFS_:
 | |
|         case FS_NTFS_:
 | |
|         case MAC_:
 | |
|         case ATARI_:             /* (used to set = 0666) */
 | |
|         case TOPS20_:
 | |
|         default:
 | |
|             /* read-only bit --> write perms; subdir bit --> dir exec bit */
 | |
|             tmp = !(tmp & 1) << 1  |  (tmp & 0x10) >> 4;
 | |
|             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 */
 | |
|     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 = (!G.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 (G.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 */
 | |
| 
 | |
|             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 (!G.V_flag && lastsemi) {
 | |
|         pp = lastsemi + 1;
 | |
|         while (isdigit((uch)(*pp)))
 | |
|             ++pp;
 | |
|         if (*pp == '\0')          /* only digits between ';' and end:  nuke */
 | |
|             *lastsemi = '\0';
 | |
|     }
 | |
| 
 | |
| /*---------------------------------------------------------------------------
 | |
|     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:  can't 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 "));
 | |
|         if ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+1)) ==
 | |
|             (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:  can't 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);
 | |
|         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';
 | |
|         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, &zt, 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_file_date,
 | |
|                                     G.lrec.last_mod_file_time);
 | |
|     }
 | |
|     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 (G.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 (G.qflag)
 | |
|                 Info(slide, 0x201, ((char *)slide,
 | |
|                   "warning:  can't 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) can't set UID %d and/or GID %d",
 | |
|                   z_uidgid[0], z_uidgid[1]));
 | |
| /* GRR: change return type to int and set up to return warning after utime() */
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /* set the file's access and modification times */
 | |
|     if (utime(G.filename, (ztimbuf *)&zt))
 | |
| #ifdef AOS_VS
 | |
|         if (G.qflag)
 | |
|             Info(slide, 0x201, ((char *)slide, "... can't set time for %s\n",
 | |
|               G.filename));
 | |
|         else
 | |
|             Info(slide, 0x201, ((char *)slide, "... can't set time"));
 | |
| #else
 | |
|         if (G.qflag)
 | |
|             Info(slide, 0x201, ((char *)slide,
 | |
|               "warning:  can't set times for %s\n", G.filename));
 | |
|         else
 | |
|             Info(slide, 0x201, ((char *)slide,
 | |
|               " (warning) can't 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 */
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| #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      
 | |
|       "",
 | |
| #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 (G.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 (G.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 */
 |