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
		
			
				
	
	
		
			921 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			921 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
| /*---------------------------------------------------------------------------
 | |
| 
 | |
|   qdos.c
 | |
| 
 | |
|   QDOS-specific routines for use with Info-ZIP's UnZip 5.3 and later.
 | |
| 
 | |
|   Contains:  Qstrfix()
 | |
|              QFilename()
 | |
|              QMatch()
 | |
|              chowner()
 | |
|              Qgetch()
 | |
|              QReturn()
 | |
|              LastDir()
 | |
|              do_wild()           <-- generic enough to put in file_io.c?
 | |
|              mapattr()
 | |
|              mapname()
 | |
|              checkdir()
 | |
|              qfix()
 | |
|              close_outfile()
 | |
|              getp()
 | |
|              version()
 | |
| 
 | |
|   ---------------------------------------------------------------------------*/
 | |
| 
 | |
| #define UNZIP_INTERNAL
 | |
| 
 | |
| #include "unzip.h"
 | |
| #include "crypt.h"
 | |
| #include "ttyio.h"
 | |
| #include <dirent.h>
 | |
| #include "izqdos.h"
 | |
| #include "version.h"
 | |
| 
 | |
| char _prog_name[] = "UnZip";
 | |
| /* sorrid hack at request of GRR follows; hope the compiler stays kind to us */
 | |
| char _version[] = {UZ_MAJORVER+'0','.',UZ_MINORVER+'0',PATCHLEVEL+'0'};
 | |
| char _extra[] = " " BETALEVEL;
 | |
| char _copyright[] = "(c) Info-ZIP Group";
 | |
| char *  _endmsg = NULL;
 | |
| long _stack = 8*1024;         /* huge stack (for qdos) */
 | |
| 
 | |
| extern void consetup_title(chanid_t,struct WINDOWDEF *);
 | |
| void (*_consetup)(chanid_t,struct WINDOWDEF *) = consetup_title;
 | |
| 
 | |
| struct WINDOWDEF _condetails =
 | |
| {
 | |
|     2,
 | |
|     1,
 | |
|     0,
 | |
|     7,
 | |
|     500,
 | |
|     220,
 | |
|     2,
 | |
|     30
 | |
| };
 | |
| 
 | |
| 
 | |
| static jobid_t chowner(chanid_t chan)
 | |
| {
 | |
|     extern char *_sys_var;
 | |
|     char *scht;
 | |
|     long *cdb;
 | |
|     long jid;
 | |
| 
 | |
|     scht = *((char **)(_sys_var + 0x78));
 | |
|     cdb = *(long **)((long *)scht  + (chan & 0xffff));
 | |
|     jid = *(cdb + 2);
 | |
|     return jid;
 | |
| }
 | |
| 
 | |
| int QReturn(int err)
 | |
| {
 | |
|     jobid_t me,you;
 | |
| 
 | |
|     me = getpid();
 | |
|     you = chowner(getchid(0));
 | |
| 
 | |
|     if((me == you) && ((qlflag & 4) == 0))
 | |
|     {
 | |
|         if(isatty(0) && isatty(2) && qlwait)
 | |
|         {
 | |
|             char c = 0;
 | |
|             fputs("Press a key to exit", stderr);
 | |
|             if((io_fbyte(getchid(0), qlwait, &c) == 0) && c == 27)
 | |
|             {
 | |
|                 io_fbyte(getchid(0), -1, &c);
 | |
|             }
 | |
|         }
 | |
|     }
 | |
|     exit(err);
 | |
| }
 | |
| 
 | |
| #ifndef FUNZIP
 | |
| 
 | |
| static int created_dir;        /* used in mapname(), checkdir() */
 | |
| static int renamed_fullpath;   /* ditto */
 | |
| 
 | |
| char *Qstrfix (char *p)
 | |
| {
 | |
|     char *q;
 | |
|     for (q = p; (q = strstr(q, ".zip"));)
 | |
|     {
 | |
|         memcpy(q, "_zip", 4);
 | |
|         q += 4;
 | |
|     }
 | |
|     return p;
 | |
| }
 | |
| 
 | |
| void QFilename(char *f)
 | |
| {
 | |
|     char *o,*p,*q = strdup(f);
 | |
|     p = q;
 | |
| 
 | |
|     if(*q == '.' && *(q+1) == '/') q += 2;
 | |
|     o = q;
 | |
| 
 | |
|     for(;*q;q++)
 | |
|     {
 | |
|         if(*q == '/') *q = '_';
 | |
|         if((qlflag & 1) == 0)
 | |
|         {
 | |
|             if(*q == '.') *q = '_';
 | |
|         }
 | |
|     }
 | |
|     strcpy(f,o);
 | |
|     free(p);
 | |
| }
 | |
| 
 | |
| int QMatch(uch c1, uch c2)
 | |
| {
 | |
|     int m =0;
 | |
| 
 | |
|     if(c1 != c2)
 | |
|     {
 | |
|         if(c1 == '_' && (c2 == '.' || c2 == '/'))
 | |
|         {
 | |
|             m = 1;
 | |
|         }
 | |
|     }
 | |
|     else
 | |
|     {
 | |
|         m = 1;
 | |
|     }
 | |
|     return m;
 | |
| }
 | |
| 
 | |
| 
 | |
| int Qgetch(void)
 | |
| {
 | |
|     char ch;
 | |
| 
 | |
|     if(io_fbyte(getchid(0), -1, &ch) < 0)
 | |
|     {
 | |
|         return EOF;
 | |
|     }
 | |
|     else
 | |
|     {
 | |
|         return (int) ch;
 | |
|     }
 | |
| }
 | |
| 
 | |
| #ifndef SFX
 | |
| char *LastDir(char *ws)
 | |
| {
 | |
|     char *p;
 | |
|     char *q = ws;
 | |
|     struct stat s;
 | |
| 
 | |
|     for(p = ws; *p; p++)
 | |
|     {
 | |
|         if(*p == '_')
 | |
|         {
 | |
|             char c;
 | |
| 
 | |
|             p++;
 | |
|             c = *p;
 | |
|             *p = 0;
 | |
|             if(stat(ws, &s) == 0 && S_ISDIR(s.st_mode))
 | |
|             {
 | |
|                 q = p;
 | |
|             }
 | |
|             *p = c;
 | |
|         }
 | |
|     }
 | |
|     return q;
 | |
| }
 | |
| 
 | |
| 
 | |
| /**********************/
 | |
| /* 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;
 | |
|     char basedir[40];
 | |
| 
 | |
|     /* 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 */
 | |
|         char *ws = NULL, *us = NULL;
 | |
| 
 | |
|         firstcall = FALSE;
 | |
| 
 | |
|         /* break the wildspec into a directory part and a wildcard filename */
 | |
| 
 | |
|         ws = (char *) iswild(wildspec);
 | |
|         us = LastDir(wildspec);
 | |
| 
 | |
|         if(us == wildspec || us > ws)
 | |
|         {
 | |
|             dirname = basedir;
 | |
|             getcwd(basedir, sizeof(basedir)-1);
 | |
|             dirnamelen = strlen(basedir);
 | |
|             have_dirname = FALSE;
 | |
|             wildname = wildspec;
 | |
|         } else {
 | |
|             wildname = us;     /* 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 (match(file->d_name, wildname, 2)) {  /* 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 QDOS_:
 | |
|         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:
 | |
|             tmp = !(tmp & 1) << 1;   /* read-only bit --> write perms bits */
 | |
|             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 */
 | |
| 
 | |
| #ifdef QDOS
 | |
|     if(*cp == '.' && *(cp+1) == '/')
 | |
|     {
 | |
|         cp += 2;
 | |
|     }
 | |
| #endif
 | |
| /*---------------------------------------------------------------------------
 | |
|     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;
 | |
| 
 | |
|             case '.':
 | |
|                 if((qlflag & 1) == 0)
 | |
|                 {
 | |
|                     *pp++ = '_';
 | |
|                 }
 | |
|                 else
 | |
|                 {
 | |
|                     *pp++ = '.';
 | |
|                 }
 | |
|                 break;
 | |
| 
 | |
|             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] == '/') {
 | |
|         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));
 | |
|             }
 | |
|             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() */
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| /***********************/
 | |
| /* 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-2)  /* 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
 | |
|         short dlen;
 | |
| 
 | |
|         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(isdirdev(buildpath))
 | |
|             {
 | |
|                 dlen = 5;
 | |
|             }
 | |
|             else
 | |
|             {
 | |
|                 dlen = 0;
 | |
|             }
 | |
| 
 | |
|             if ((end-buildpath-dlen) >= 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 (rootlen > 0 && (stat(pathcomp, &G.statbuf) ||
 | |
|                 !S_ISDIR(G.statbuf.st_mode)))          /* path does not exist */
 | |
|             {
 | |
|                 if (!G.create_dirs                     /* || iswild(pathcomp) */
 | |
| #ifdef OLD_EXDIR
 | |
|                                  || !had_trailing_pathsep
 | |
| #endif
 | |
|                                                          ) {
 | |
|                     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 (pathcomp[rootlen-1] == '/' || pathcomp[rootlen-1] == '_') {
 | |
|                 pathcomp[--rootlen] = '\0';
 | |
|             }
 | |
|             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() */
 | |
| 
 | |
| 
 | |
| static void qfix(__G__ ef_ptr, ef_len)
 | |
|     __GDEF
 | |
|     uch *ef_ptr;
 | |
|     unsigned ef_len;
 | |
| {
 | |
| 
 | |
|     while (ef_len >= EB_HEADSIZE)
 | |
|     {
 | |
|         qdosextra   *extra = (qdosextra *)ef_ptr;
 | |
|         jbextra     *jbp   = (jbextra   *)ef_ptr;
 | |
|         unsigned    eb_len = makeword(EB_LEN + ef_ptr);
 | |
| 
 | |
|         if (eb_len > (ef_len - EB_HEADSIZE)) {
 | |
|             /* discovered some extra field inconsistency! */
 | |
|             Trace((stderr,
 | |
|               "qfix: block length %u > rest ef_size %u\n", eb_len,
 | |
|               ef_len - EB_HEADSIZE));
 | |
|             break;
 | |
|         }
 | |
| 
 | |
|         switch (extra->shortid) {
 | |
|           case SHORTID:
 | |
|             if (!strncmp(extra->longid, LONGID, strlen(LONGID)))
 | |
|             {
 | |
|                 if (eb_len != EXTRALEN)
 | |
|                     fputs("warning: invalid length in Qdos field", stderr);
 | |
|                 if (extra->header.d_type)
 | |
|                 {
 | |
|                     fs_heads(fgetchid(G.outfile), (timeout_t)-1,
 | |
|                              &extra->header, 14);
 | |
|                     G.pInfo->file_attr |= S_IXUSR;
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             if (!strncmp(jbp->longid, JBLONGID, strlen(JBLONGID)))
 | |
|             {
 | |
|                 if (eb_len != JBEXTRALEN)
 | |
|                     fputs("warning: invalid length in QZ field", stderr);
 | |
|                 if (jbp->header.d_type)
 | |
|                 {
 | |
|                     fs_heads(fgetchid(G.outfile), (timeout_t)-1,
 | |
|                              &jbp->header, 14);
 | |
|                     G.pInfo->file_attr |= S_IXUSR;
 | |
|                 }
 | |
|             }
 | |
|             break;
 | |
| 
 | |
|           default:
 | |
|             Trace((stderr,"qfix: unknown extra field block, ID=%d\n",
 | |
|                extra->shortid));
 | |
|             break;
 | |
|         }
 | |
| 
 | |
|         /* Skip this extra field block */
 | |
|         ef_ptr += (eb_len + EB_HEADSIZE);
 | |
|         ef_len -= (eb_len + EB_HEADSIZE);
 | |
|     }
 | |
| }
 | |
| 
 | |
| 
 | |
| #ifdef QDOS
 | |
| #  include <utime.h>
 | |
|    long timezone = 0;
 | |
| #endif
 | |
| 
 | |
| 
 | |
| /****************************/
 | |
| /* Function close_outfile() */
 | |
| /****************************/
 | |
| 
 | |
| void close_outfile(__G)
 | |
|     __GDEF
 | |
| {
 | |
|     iztimes zt;
 | |
| #ifdef USE_EF_UT_TIME
 | |
|     unsigned eb_izux_flg;
 | |
| #endif
 | |
| 
 | |
|     if (G.extra_field) {
 | |
|         qfix(__G__ G.extra_field, G.lrec.extra_field_length);
 | |
|     }
 | |
| 
 | |
|     fclose(G.outfile);
 | |
| 
 | |
| /*---------------------------------------------------------------------------
 | |
|     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
 | |
| 
 | |
| /*---------------------------------------------------------------------------
 | |
|     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.
 | |
|   ---------------------------------------------------------------------------*/
 | |
| 
 | |
| #ifdef USE_EF_UT_TIME
 | |
|     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));
 | |
|     }
 | |
| #else
 | |
|     zt.atime = zt.mtime = dos_to_unix_time(G.lrec.last_mod_file_date,
 | |
|                                            G.lrec.last_mod_file_time);
 | |
| #endif
 | |
| 
 | |
|     /* set the file's access and modification times */
 | |
|     if (utime(G.filename, (struct utimbuf *)&zt)) {
 | |
|         Info(slide, 0x201, ((char *)slide,
 | |
|           "warning:  can't set the time for %s\n", G.filename));
 | |
|     }
 | |
| 
 | |
| } /* end function close_outfile() */
 | |
| 
 | |
| 
 | |
| 
 | |
| #ifndef SFX
 | |
| 
 | |
| /************************/
 | |
| /*  Function version()  */
 | |
| /************************/
 | |
| 
 | |
| void version(__G)
 | |
|     __GDEF
 | |
| {
 | |
| 
 | |
|     sprintf((char *)slide, LoadFarString(CompiledWith),
 | |
|            "c68", " v4.2x", "SMS/QDOS",
 | |
|             " on ", __DATE__, "","");
 | |
|     (*G.message)((zvoid *)&G, slide, (ulg)strlen((char *)slide), 0);
 | |
| 
 | |
| } /* end function version() */
 | |
| 
 | |
| #endif /* !SFX */
 | |
| #endif /* !FUNZIP */
 | |
| 
 | |
| #if CRYPT
 | |
| 
 | |
| char *getp(__G__ m, p, n)
 | |
|     __GDEF
 | |
|     const char *m;              /* prompt for password */
 | |
|     char *p;                    /* return value: line input */
 | |
|     int n;                      /* bytes available in p[] */
 | |
| {
 | |
|     int c;                      /* one-byte buffer for read() to use */
 | |
|     int i;                      /* number of characters input */
 | |
|     char *w;                    /* warning on retry */
 | |
| 
 | |
|     /* get password */
 | |
|     w = "";
 | |
|     sd_cure(getchid(0), -1);    /* enable cursor */
 | |
|     do {
 | |
|         fputs(w, stderr);       /* warning if back again */
 | |
|         fputs(m, stderr);       /* display prompt and flush */
 | |
|         fflush(stderr);
 | |
|         i = 0;
 | |
|         do {
 | |
|             c = getch();
 | |
|             if (c == 0xc2) {
 | |
|                 if (i > 0) {
 | |
|                     i--; /* the `del' keys works */
 | |
|                     fputs("\b \b", stderr);
 | |
|                 }
 | |
|             }
 | |
|             else if (i < n) {
 | |
|                 p[i++] = c;     /* truncate past n */
 | |
|                 if(c != '\n') putc('*', stderr);
 | |
|             }
 | |
|         } while (c != '\n');
 | |
| 
 | |
|         putc('\n', stderr);  fflush(stderr);
 | |
|         w = "(line too long--try again)\n";
 | |
|     } while (p[i-1] != '\n');
 | |
| 
 | |
|     p[i-1] = 0;                 /* terminate at newline */
 | |
|     sd_curs(getchid(0), -1);    /* suppress cursor */
 | |
|     return p;                   /* return pointer to password */
 | |
| 
 | |
| } /* end function getp() */
 | |
| 
 | |
| #endif /* CRYPT */
 | |
| 
 |