qdos.c
资源名称:unzip540.zip [点击查看]
上传用户:andy_li
上传日期:2007-01-06
资源大小:1019k
文件大小:32k
源码类别:
压缩解压
开发平台:
MultiPlatform
- /*---------------------------------------------------------------------------
- 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()
- stamp_file()
- getp()
- version()
- ---------------------------------------------------------------------------*/
- #define UNZIP_INTERNAL
- #include "unzip.h"
- #include "crypt.h"
- #include "ttyio.h"
- #include <dirent.h>
- #include "izqdos.h"
- #include "version.h"
- #ifndef SFX
- char _prog_name[] = "UnZip";
- #else
- char _prog_name[] = "??Special Flag for unzipsfx hack ??";
- #endif
- /* 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 = 16*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);
- if(ws == NULL)
- {
- strcpy(matchname, wildspec);
- return matchname;
- }
- us = LastDir(wildspec);
- if(us == wildspec)
- {
- 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: cannot allocate wildcard buffersn"));
- strcpy(matchname, wildspec);
- return matchname; /* but maybe filespec was not a wildcard */
- }
- strncpy(dirname, wildspec, dirnamelen);
- dirname[dirnamelen] = ' '; /* 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, 2)) { /* 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 AMIGA_:
- tmp = (unsigned)(tmp>>17 & 7); /* Amiga RWE bits */
- G.pInfo->file_attr = (unsigned)(tmp<<6 | tmp<<3 | tmp);
- break;
- case QDOS_:
- case UNIX_:
- case VMS_:
- case ACORN_:
- case ATARI_:
- case BEOS_:
- G.pInfo->file_attr = (unsigned)(tmp >> 16);
- if (G.pInfo->file_attr != 0 || !G.extra_field) {
- return 0;
- } else {
- /* Some (non-Info-ZIP) implementations of Zip for Unix and
- VMS (and probably others ??) leave 0 in the upper 16-bit
- part of the external_file_attributes field. Instead, they
- store file permission attributes in some extra field.
- As a work-around, we search for the presence of one of
- these extra fields and fall back to the MSDOS compatible
- part of external_file_attributes if one of the known
- e.f. types has been detected.
- Later, we might implement extraction of the permission
- bits from the VMS extra field. But for now, the work-around
- should be sufficient to provide "readable" extracted files.
- (For ASI Unix e.f., an experimental remap of the e.f.
- mode value IS already provided!)
- */
- ush ebID;
- unsigned ebLen;
- uch *ef = G.extra_field;
- unsigned ef_len = G.crec.extra_field_length;
- int r = FALSE;
- while (!r && ef_len >= EB_HEADSIZE) {
- ebID = makeword(ef);
- ebLen = (unsigned)makeword(ef+EB_LEN);
- if (ebLen > (ef_len - EB_HEADSIZE))
- /* discoverd some e.f. inconsistency! */
- break;
- switch (ebID) {
- case EF_ASIUNIX:
- if (ebLen >= (EB_ASI_MODE+2)) {
- G.pInfo->file_attr =
- (unsigned)makeword(ef+(EB_HEADSIZE+EB_ASI_MODE));
- /* force stop of loop: */
- ef_len = (ebLen + EB_HEADSIZE);
- break;
- }
- /* else: fall through! */
- case EF_PKVMS:
- /* "found nondecypherable e.f. with perm. attr" */
- r = TRUE;
- default:
- break;
- }
- ef_len -= (ebLen + EB_HEADSIZE);
- ef += (ebLen + EB_HEADSIZE);
- }
- if (!r)
- return 0;
- }
- /* fall through! */
- /* all remaining cases: expand MSDOS read-only bit into write perms */
- case FS_FAT_:
- case FS_HPFS_:
- case FS_NTFS_:
- case MAC_:
- 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 SMS/QDOS */
- /* can create path as long as not just freshening, or if user told us */
- G.create_dirs = (!uO.fflag || renamed);
- created_dir = FALSE; /* not yet */
- /* user gave full pathname: don't prepend rootpath */
- renamed_fullpath = (renamed && (*G.filename == '/'));
- if (checkdir(__G__ (char *)NULL, INIT) == 10)
- return 10; /* initialize path buffer, unless no memory */
- *pathcomp = ' '; /* initialize translation buffer */
- pp = pathcomp; /* point to translation buffer */
- if (uO.jflag) /* junking directories */
- cp = (char *)strrchr(G.filename, '/');
- if (cp == (char *)NULL) /* no '/' or not junking dirs */
- cp = G.filename; /* point to internal zipfile-member pathname */
- else
- ++cp; /* point to start of last component of path */
- #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 = ' ';
- 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 ' 26': /* 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 = ' '; /* done with pathcomp: terminate it */
- /* if not saving them, remove VMS version numbers (appended ";###") */
- if (!uO.V_flag && lastsemi) {
- pp = lastsemi + 1;
- while (isdigit((uch)(*pp)))
- ++pp;
- if (*pp == ' ') /* only digits between ';' and end: nuke */
- *lastsemi = ' ';
- }
- /*---------------------------------------------------------------------------
- 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: %sn",
- 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 == ' ') {
- Info(slide, 1, ((char *)slide, "mapname: conversion of %s failedn",
- 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 (' ') */
- # 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++) != ' ')
- ++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) = ' ';
- #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, ' ' */
- 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: %sn", buildpath));
- free(buildpath);
- return 4; /* no room for filenames: fatal */
- }
- if (mkdir(buildpath, 0777) == -1) { /* create the directory */
- Info(slide, 1, ((char *)slide,
- "checkdir error: cannot create %sn
- 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 directoryn
- 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: %sn", buildpath));
- free(buildpath);
- return 4; /* no room for filenames: fatal */
- }
- *end++ = '_';
- *end = ' ';
- 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++) != ' ') {
- ++end;
- #ifdef SHORT_NAMES /* truncate name at 14 characters, typically */
- if ((end-old_end) > FILENAME_MAX) /* GRR: proper constant? */
- *(end = old_end + FILENAME_MAX) = ' ';
- #endif
- if(isdirdev(buildpath))
- {
- dlen = 5;
- }
- else
- {
- dlen = 0;
- }
- if ((end-buildpath-dlen) >= FILNAMSIZ) {
- *--end = ' ';
- Info(slide, 0x201, ((char *)slide,
- "checkdir warning: path too long; truncatingn
- %sn -> %sn", 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 = ' ';
- 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: cannot create extraction directory: %sn",
- 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] = ' ';
- }
- if ((rootpath = (char *)malloc(rootlen+2)) == (char *)NULL) {
- rootlen = 0;
- return 10;
- }
- strcpy(rootpath, pathcomp);
- rootpath[rootlen++] = '_';
- rootpath[rootlen] = ' ';
- }
- 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 rootpathn"));
- if (rootlen > 0) {
- free(rootpath);
- rootlen = 0;
- }
- 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;
- {
- qdosextra qextra;
- while (ef_len >= EB_HEADSIZE)
- {
- qdosextra *extra = &qextra;
- jbextra *jbp = (jbextra *)&qextra;
- 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 %un", eb_len,
- ef_len - EB_HEADSIZE));
- break;
- }
- /* Must ensure that we don't use ODD addresses here */
- memcpy(&qextra, ef_ptr, sizeof(qdosextra));
- 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=%dn",
- 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, G.lrec.last_mod_dos_datetime,
- #ifdef IZ_CHECK_TZ
- (G.tz_is_valid ? &zt : NULL),
- #else
- &zt,
- #endif
- z_uidgid) : 0);
- if (eb_izux_flg & EB_UT_FL_MTIME) {
- TTrace((stderr, "nclose_outfile: Unix e.f. modif. time = %ldn",
- zt.mtime));
- } else {
- zt.mtime = dos_to_unix_time(G.lrec.last_mod_dos_datetime);
- }
- if (eb_izux_flg & EB_UT_FL_ATIME) {
- TTrace((stderr, "close_outfile: Unix e.f. access time = %ldn",
- zt.atime));
- } else {
- zt.atime = zt.mtime;
- TTrace((stderr, "nclose_outfile: modification/access times = %ldn",
- zt.mtime));
- }
- #else
- zt.atime = zt.mtime = dos_to_unix_time(G.lrec.last_mod_dos_datetime);
- #endif
- /* set the file's access and modification times */
- if (utime(G.filename, (struct utimbuf *)&zt)) {
- Info(slide, 0x201, ((char *)slide,
- "warning: cannot set the time for %sn", G.filename));
- }
- } /* end function close_outfile() */
- #ifdef TIMESTAMP
- /***************************/
- /* Function stamp_file() */
- /***************************/
- int stamp_file(fname, modtime)
- ZCONST char *fname;
- time_t modtime;
- {
- struct utimbuf tp;
- tp.modtime = tp.actime = modtime;
- return (utime(fname, &tp));
- } /* end function stamp_file() */
- #endif /* TIMESTAMP */
- #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 */