| 0,0 → 1,976 |
|---|
| /* |
| Copyright (c) 1990-2007 Info-ZIP. All rights reserved. |
| |
| See the accompanying file LICENSE, version 2000-Apr-09 or later |
| (the contents of which are also included in unzip.h) for terms of use. |
| If, for some reason, all these files are missing, the Info-ZIP license |
| also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html |
| */ |
| /*--------------------------------------------------------------------------- |
| |
| human68k.c |
| |
| Human68k-specific routines for use with Info-ZIP's UnZip 5.41 and later. |
| |
| Contains: do_wild() |
| mapattr() |
| mapname() |
| checkdir() |
| close_outfile() |
| stamp_file() (TIMESTAMP only) |
| version() |
| main() (for UnZipSFX) |
| |
| ---------------------------------------------------------------------------*/ |
| |
| |
| #include <dirent.h> |
| #include <string.h> |
| #include <sys/dos.h> |
| #include <sys/xunistd.h> |
| #ifdef HAVE_TWONCALL_H |
| #include <twoncall.h> |
| #endif |
| #define UNZIP_INTERNAL |
| #include "unzip.h" |
| |
| #if defined (SFX) && defined (MAIN) |
| #include <sys/xstart.h> |
| int MAIN(int argc, char *argv[]); |
| #endif |
| |
| static void map2fat(char *pathcomp, char *last_dot); |
| static char *trunc_name(char *name, int maxlen); |
| |
| static int created_dir; /* used in mapname(), checkdir() */ |
| static int renamed_fullpath; /* ditto */ |
| |
| static char multi_period, special_char; |
| |
| #ifndef SFX |
| |
| /**********************/ |
| /* Function do_wild() */ |
| /**********************/ |
| |
| char *do_wild(__G__ wildspec) |
| __GDEF |
| ZCONST char *wildspec; /* only used first time on a given dir */ |
| { |
| static DIR *wild_dir = (DIR *)NULL; |
| static ZCONST char *wildname; |
| static char *dirname, matchname[FILNAMSIZ]; |
| static int notfirstcall=FALSE, 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 (!notfirstcall) { /* first call: must initialize everything */ |
| notfirstcall = TRUE; |
| |
| if (!iswild(wildspec)) { |
| strncpy(matchname, wildspec, FILNAMSIZ); |
| matchname[FILNAMSIZ-1] = '\0'; |
| have_dirname = FALSE; |
| wild_dir = (DIR *)NULL; |
| return matchname; |
| } |
| |
| /* break the wildspec into a directory part and a wildcard filename */ |
| if ((wildname = strrchr(wildspec, '/')) == NULL) { |
| dirname = "."; |
| dirnamelen = 1; |
| have_dirname = FALSE; |
| wildname = wildspec; |
| } else { |
| ++wildname; /* point at character after '/' */ |
| dirnamelen = wildname - wildspec; |
| if ((dirname = (char *)malloc(dirnamelen+1)) == NULL) { |
| Info(slide, 1, ((char *)slide, |
| "warning: cannot allocate wildcard buffers\n")); |
| strcpy(matchname, wildspec); |
| return matchname; /* but maybe filespec was not a wildcard */ |
| } |
| strncpy(dirname, wildspec, dirnamelen); |
| dirname[dirnamelen] = '\0'; /* terminate for strcpy below */ |
| have_dirname = TRUE; |
| } |
| Trace((stderr, "do_wild: dirname = [%s]\n", FnFilter1(dirname))); |
| |
| if ((wild_dir = opendir(dirname)) != (DIR *)NULL) { |
| while ((file = readdir(wild_dir)) != (struct dirent *)NULL) { |
| Trace((stderr, "do_wild: readdir returns %s\n", |
| FnFilter1(file->d_name))); |
| if (file->d_name[0] == '.' && wildname[0] != '.') |
| continue; /* Unix: '*' and '?' do not match leading dot */ |
| if (match(file->d_name, wildname, 0 WISEP) && /* 0=case sens.*/ |
| /* skip "." and ".." directory entries */ |
| strcmp(file->d_name, ".") && strcmp(file->d_name, "..")) { |
| Trace((stderr, "do_wild: match() succeeds\n")); |
| if (have_dirname) { |
| strcpy(matchname, dirname); |
| strcpy(matchname+dirnamelen, file->d_name); |
| } else |
| strcpy(matchname, file->d_name); |
| return matchname; |
| } |
| } |
| /* if we get to here directory is exhausted, so close it */ |
| closedir(wild_dir); |
| wild_dir = (DIR *)NULL; |
| } |
| #ifdef DEBUG |
| else { |
| Trace((stderr, "do_wild: Opendir(%s) returns NULL\n", |
| FnFilter1(dirname))); |
| } |
| #endif /* DEBUG */ |
| |
| /* return the raw wildspec in case that works (e.g., directory not |
| * searchable, but filespec was not wild and file is readable) */ |
| strncpy(matchname, wildspec, FILNAMSIZ); |
| matchname[FILNAMSIZ-1] = '\0'; |
| return matchname; |
| } |
| |
| /* last time through, might have failed opendir but returned raw wildspec */ |
| if (wild_dir == (DIR *)NULL) { |
| notfirstcall = FALSE; /* 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(wild_dir)) != (struct dirent *)NULL) { |
| Trace((stderr, "do_wild: readdir returns %s\n", |
| FnFilter1(file->d_name))); |
| if (file->d_name[0] == '.' && wildname[0] != '.') |
| continue; /* Unix: '*' and '?' do not match leading dot */ |
| if (match(file->d_name, wildname, 0 WISEP)) { /* 0 == case sens. */ |
| Trace((stderr, "do_wild: match() succeeds\n")); |
| if (have_dirname) { |
| /* strcpy(matchname, dirname); */ |
| strcpy(matchname+dirnamelen, file->d_name); |
| } else |
| strcpy(matchname, file->d_name); |
| return matchname; |
| } |
| } |
| |
| closedir(wild_dir); /* have read at least one entry; nothing left */ |
| wild_dir = (DIR *)NULL; |
| notfirstcall = FALSE; /* 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_: |
| if (tmp & 0xff) |
| break; |
| /* fall through */ |
| case VMS_: |
| case ACORN_: |
| case ATARI_: |
| case ATHEOS_: |
| case BEOS_: |
| case QDOS_: |
| G.pInfo->file_attr = _mode2dos(tmp >> 16); |
| return 0; |
| default: |
| break; |
| } |
| |
| /* set archive bit (file is not backed up) */ |
| if((tmp & 0x08) == 0) |
| tmp |= 0x20; |
| G.pInfo->file_attr = tmp & 0xff; |
| return 0; |
| |
| } /* end function mapattr() */ |
| |
| |
| |
| |
| |
| /**********************/ |
| /* Function mapname() */ |
| /**********************/ |
| |
| int mapname(__G__ renamed) |
| __GDEF |
| int renamed; |
| /* |
| * returns: |
| * MPN_OK - no problem detected |
| * MPN_INF_TRUNC - caution (truncated filename) |
| * MPN_INF_SKIP - info "skip entry" (dir doesn't exist) |
| * MPN_ERR_SKIP - error -> skip entry |
| * MPN_ERR_TOOLONG - error -> path is too long |
| * MPN_NOMEM - error (memory allocation failed) -> skip entry |
| * [also MPN_VOL_LABEL, MPN_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 */ |
| char *last_dot=(char *)NULL; /* last dot */ |
| int error = MPN_OK; |
| register unsigned workch; /* hold the character being tested */ |
| |
| #ifdef HAVE_TWONCALL_H |
| static char twentyone_flag; |
| |
| /* Get TwentyOne options */ |
| if (twentyone_flag == 0) { |
| twentyone_flag++; |
| if (GetTwentyOneID () == TWON_ID) { |
| int flags = GetTwentyOneOptions (); |
| |
| if (flags & (1 << TWON_PERIOD_BIT)) |
| multi_period = TRUE; |
| if (flags & (1 << TWON_SPECIAL_BIT)) |
| special_char = TRUE; |
| } |
| } |
| #endif |
| |
| /*--------------------------------------------------------------------------- |
| Initialize various pointers and counters and stuff. |
| ---------------------------------------------------------------------------*/ |
| |
| /* 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 */ |
| renamed_fullpath = FALSE; |
| |
| if (renamed) { |
| cp = G.filename - 1; /* point to beginning of renamed name... */ |
| while (*++cp) |
| if (*cp == '\\') /* convert backslashes to forward */ |
| *cp = '/'; |
| cp = G.filename; |
| if ((G.filename[0] == '/') |
| || (isalpha(G.filename[0]) && G.filename[1] == ':')) { |
| /* user gave full pathname: don't prepend rootpath */ |
| renamed_fullpath = TRUE; |
| } |
| } |
| |
| if ((error = checkdir(__G__ (char *)NULL, INIT)) != 0) |
| return error; /* initialize path buffer, unless no memory */ |
| |
| *pathcomp = '\0'; /* initialize translation buffer */ |
| pp = pathcomp; /* point to translation buffer */ |
| if (uO.jflag) /* junking directories */ |
| cp = (char *)strrchr(G.filename, '/'); |
| if (cp == (char *)NULL) /* no '/' or not junking dirs */ |
| cp = G.filename; /* point to internal zipfile-member pathname */ |
| else |
| ++cp; /* point to start of last component of path */ |
| |
| /*--------------------------------------------------------------------------- |
| Begin main loop through characters in filename. |
| ---------------------------------------------------------------------------*/ |
| |
| while ((workch = (uch)*cp++) != 0) { |
| |
| if (_ismbblead((unsigned char)workch)) { |
| if (*cp) { |
| *pp++ = (char)workch; |
| *pp++ = (char)*cp++; |
| } |
| else |
| *pp++ = '_'; |
| continue; |
| } |
| |
| switch (workch) { |
| case '/': /* can assume -j flag not given */ |
| *pp = '\0'; |
| map2fat(pathcomp, last_dot); /* 18.3 trunc. (in place) */ |
| if (strcmp(pathcomp, ".") == 0) { |
| /* don't bother appending "./" to the path */ |
| *pathcomp = '\0'; |
| } else if (!uO.ddotflag && strcmp(pathcomp, "..") == 0) { |
| /* "../" dir traversal detected, skip over it */ |
| *pathcomp = '\0'; |
| killed_ddot = TRUE; /* set "show message" flag */ |
| } |
| /* when path component is not empty, append it now */ |
| if (*pathcomp != '\0' && |
| ((error = checkdir(__G__ pathcomp, APPEND_DIR)) |
| & MPN_MASK) > MPN_INF_TRUNC) |
| return error; |
| pp = pathcomp; /* reset conversion buffer for next piece */ |
| lastsemi = (char *)NULL; /* leave direct. semi-colons alone */ |
| break; |
| |
| /* drive names are not stored in zipfile, so no colons allowed; |
| * no brackets or most other punctuation either (all of which |
| * can appear in Unix-created archives; backslash is particularly |
| * bad unless all necessary directories exist) */ |
| |
| case '[': /* these punctuation characters forbidden */ |
| case ']': /* only on plain FAT file systems */ |
| case '+': |
| case ',': |
| case '=': |
| case '<': |
| case '>': |
| case '|': |
| case '\"': |
| case '\'': |
| if (!special_char) |
| workch = '_'; |
| *pp++ = (char)workch; |
| break; |
| |
| case '-': |
| if (pp == pathcomp && !special_char) |
| workch = '_'; |
| *pp++ = (char)workch; |
| break; |
| |
| case ':': |
| case '\\': |
| case '*': |
| case '?': |
| *pp++ = '_'; |
| break; |
| |
| case ';': /* VMS version (or DEC-20 attrib?) */ |
| lastsemi = pp; |
| if (!special_char) |
| workch = '_'; |
| *pp++ = (char)workch; /* keep for now; remove VMS ";##" */ |
| break; /* later, if requested */ |
| |
| case ' ': /* change spaces to underscores */ |
| #if 0 /* do it always */ |
| if (uO.sflag) /* only if requested */ |
| #endif |
| workch = '_'; |
| *pp++ = (char)workch; |
| break; |
| |
| default: |
| /* allow European characters in filenames: */ |
| if (isprint(workch) || workch >= 128) |
| *pp++ = (char)workch; |
| |
| } /* end switch */ |
| } /* end while loop */ |
| |
| /* Show warning when stripping insecure "parent dir" path components */ |
| if (killed_ddot && QCOND2) { |
| Info(slide, 0, ((char *)slide, |
| "warning: skipped \"../\" path component(s) in %s\n", |
| FnFilter1(G.filename))); |
| if (!(error & ~MPN_MASK)) |
| error = (error & MPN_MASK) | PK_WARN; |
| } |
| |
| /*--------------------------------------------------------------------------- |
| 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", |
| FnFilter1(G.filename))); |
| } |
| /* set dir time (note trailing '/') */ |
| return (error & ~MPN_MASK) | MPN_CREATED_DIR; |
| } |
| /* dir existed already; don't look for data to extract */ |
| return (error & ~MPN_MASK) | MPN_INF_SKIP; |
| } |
| |
| *pp = '\0'; /* done with pathcomp: terminate it */ |
| |
| /* if not saving them, remove VMS version numbers (appended ";###") */ |
| if (!uO.V_flag && lastsemi) { |
| pp = lastsemi + 1; |
| while (isdigit((uch)(*pp))) |
| ++pp; |
| if (*pp == '\0') /* only digits between ';' and end: nuke */ |
| *lastsemi = '\0'; |
| } |
| |
| map2fat(pathcomp, last_dot); /* 18.3 truncation (in place) */ |
| |
| if (*pathcomp == '\0') { |
| Info(slide, 1, ((char *)slide, "mapname: conversion of %s failed\n", |
| FnFilter1(G.filename))); |
| return (error & ~MPN_MASK) | MPN_ERR_SKIP; |
| } |
| |
| checkdir(__G__ pathcomp, APPEND_NAME); /* returns 1 if truncated: care? */ |
| checkdir(__G__ G.filename, GETPATH); |
| |
| if (G.pInfo->vollabel) { /* set the volume label now */ |
| int fd; |
| |
| if (QCOND2) |
| Info(slide, 0, ((char *)slide, " labelling: %s\n", |
| FnFilter1(G.filename))); |
| if ((fd = _dos_newfile(G.filename, G.pInfo->file_attr)) < 0) { |
| Info(slide, 1, ((char *)slide, |
| "mapname: error setting volume label\n")); |
| return (error & ~MPN_MASK) | MPN_ERR_SKIP; |
| } |
| _dos_close(fd); |
| /* success: skip the "extraction" quietly */ |
| return (error & ~MPN_MASK) | MPN_INF_SKIP; |
| } |
| |
| return error; |
| |
| } /* end function mapname() */ |
| |
| |
| |
| |
| /**********************/ |
| /* Function map2fat() */ |
| /**********************/ |
| |
| static void map2fat(pathcomp, last_dot) |
| char *pathcomp, *last_dot; |
| { |
| char *np; |
| |
| if (pathcomp == last_dot) { /* dotfile(e.g. ".foo") */ |
| pathcomp = last_dot; |
| last_dot = (char *)NULL; |
| } |
| |
| if (multi_period) { |
| if (strlen(pathcomp) <= 18) |
| return; |
| } |
| else { |
| char *p; |
| |
| for (p = pathcomp; *p; p++) |
| if (*p == (char)'.' && p != last_dot) |
| *p = '_'; |
| } |
| |
| if (last_dot) { |
| *last_dot++ = '\0'; |
| trunc_name(last_dot, 3); |
| } |
| np = trunc_name(pathcomp, 18); |
| if (last_dot) { |
| *--last_dot = '.'; |
| if (np) |
| strcpy(np, last_dot); |
| } |
| |
| } /* end function map2fat() */ |
| |
| static char *trunc_name(char *name, int maxlen) |
| { |
| |
| if (strlen(name) <= maxlen) |
| return (char *)NULL; |
| |
| do { |
| if (_ismbblead((unsigned char)*name)) { |
| if (--maxlen == 0) |
| break; |
| name++; |
| } |
| name++; |
| maxlen--; |
| } while (maxlen > 0); |
| *name = '\0'; |
| |
| return name; |
| } |
| |
| |
| |
| |
| /***********************/ |
| /* Function checkdir() */ |
| /***********************/ |
| |
| int checkdir(__G__ pathcomp, flag) |
| __GDEF |
| char *pathcomp; |
| int flag; |
| /* |
| * returns: |
| * MPN_OK - no problem detected |
| * MPN_INF_TRUNC - (on APPEND_NAME) truncated filename |
| * MPN_INF_SKIP - path doesn't exist, not allowed to create |
| * MPN_ERR_SKIP - path doesn't exist, tried to create and failed; or path |
| * exists and is not a directory, but is supposed to be |
| * MPN_ERR_TOOLONG - path is too long |
| * MPN_NOMEM - 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; |
| |
| Trace((stderr, "appending dir segment [%s]\n", FnFilter1(pathcomp))); |
| while ((*end = *pathcomp++) != '\0') |
| ++end; |
| |
| /* 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 (SSTAT(buildpath, &G.statbuf)) /* path doesn't exist */ |
| { |
| if (!G.create_dirs) { /* told not to create (freshening) */ |
| free(buildpath); |
| return MPN_INF_SKIP; /* path doesn't exist: nothing to do */ |
| } |
| if (too_long) { |
| Info(slide, 1, ((char *)slide, |
| "checkdir error: path too long: %s\n", |
| FnFilter1(buildpath))); |
| free(buildpath); |
| /* no room for filenames: fatal */ |
| return MPN_ERR_TOOLONG; |
| } |
| if (mkdir(buildpath, 0777) == -1) { /* create the directory */ |
| Info(slide, 1, ((char *)slide, |
| "checkdir error: cannot create %s\n\ |
| unable to process %s.\n", |
| FnFilter2(buildpath), FnFilter1(G.filename))); |
| free(buildpath); |
| /* path didn't exist, tried to create, failed */ |
| return MPN_ERR_SKIP; |
| } |
| 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", |
| FnFilter2(buildpath), FnFilter1(G.filename))); |
| free(buildpath); |
| /* path existed but wasn't dir */ |
| return MPN_ERR_SKIP; |
| } |
| if (too_long) { |
| Info(slide, 1, ((char *)slide, |
| "checkdir error: path too long: %s\n", FnFilter1(buildpath))); |
| free(buildpath); |
| /* no room for filenames: fatal */ |
| return MPN_ERR_TOOLONG; |
| } |
| *end++ = '/'; |
| *end = '\0'; |
| Trace((stderr, "buildpath now = [%s]\n", FnFilter1(buildpath))); |
| return MPN_OK; |
| |
| } /* 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", |
| FnFilter1(pathcomp))); |
| free(buildpath); |
| buildpath = end = (char *)NULL; |
| return MPN_OK; |
| } |
| |
| /*--------------------------------------------------------------------------- |
| APPEND_NAME: assume the path component is the filename; append it and |
| return without checking for existence. |
| ---------------------------------------------------------------------------*/ |
| |
| if (FUNCTION == APPEND_NAME) { |
| |
| Trace((stderr, "appending filename [%s]\n", FnFilter1(pathcomp))); |
| while ((*end = *pathcomp++) != '\0') { |
| ++end; |
| if ((end-buildpath) >= FILNAMSIZ) { |
| *--end = '\0'; |
| Info(slide, 1, ((char *)slide, |
| "checkdir warning: path too long; truncating\n\ |
| %s\n -> %s\n", |
| FnFilter1(G.filename), FnFilter2(buildpath))); |
| return MPN_INF_TRUNC; /* filename truncated */ |
| } |
| } |
| Trace((stderr, "buildpath now = [%s]\n", FnFilter1(buildpath))); |
| /* could check for existence here, prompt for new name... */ |
| return MPN_OK; |
| } |
| |
| /*--------------------------------------------------------------------------- |
| 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. |
| ---------------------------------------------------------------------------*/ |
| |
| if (FUNCTION == INIT) { |
| Trace((stderr, "initializing buildpath to ")); |
| /* allocate space for full filename, root path, and maybe "./" */ |
| if ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+3)) == |
| (char *)NULL) |
| return MPN_NOMEM; |
| if ((rootlen > 0) && !renamed_fullpath) { |
| strcpy(buildpath, rootpath); |
| end = buildpath + rootlen; |
| } else { |
| *buildpath = '\0'; |
| end = buildpath; |
| } |
| Trace((stderr, "[%s]\n", FnFilter1(buildpath))); |
| return MPN_OK; |
| } |
| |
| /*--------------------------------------------------------------------------- |
| 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", |
| FnFilter1(pathcomp))); |
| if (pathcomp == (char *)NULL) { |
| rootlen = 0; |
| return MPN_OK; |
| } |
| if (rootlen > 0) /* rootpath was already set, nothing to do */ |
| return MPN_OK; |
| if ((rootlen = strlen(pathcomp)) > 0) { |
| int had_trailing_pathsep=FALSE, has_drive=FALSE, add_dot=FALSE; |
| char *tmproot; |
| |
| if ((tmproot = (char *)malloc(rootlen+3)) == (char *)NULL) { |
| rootlen = 0; |
| return MPN_NOMEM; |
| } |
| strcpy(tmproot, pathcomp); |
| if (isalpha((uch)tmproot[0]) && tmproot[1] == ':') |
| has_drive = TRUE; /* drive designator */ |
| if (tmproot[rootlen-1] == '/' || tmproot[rootlen-1] == '\\') { |
| tmproot[--rootlen] = '\0'; |
| had_trailing_pathsep = TRUE; |
| } |
| if (has_drive && (rootlen == 2)) { |
| if (!had_trailing_pathsep) /* i.e., original wasn't "x:/" */ |
| add_dot = TRUE; /* relative path: add '.' before '/' */ |
| } else if (rootlen > 0 && (SSTAT(tmproot, &G.statbuf) || |
| !S_ISDIR(G.statbuf.st_mode))) /* path does not exist */ |
| { |
| if (!G.create_dirs /* || iswild(tmproot) */ ) { |
| free(tmproot); |
| rootlen = 0; |
| /* skip (or treat as stored file) */ |
| return MPN_INF_SKIP; |
| } |
| /* create the directory (could add loop here scanning tmproot |
| * to create more than one level, but why really necessary?) */ |
| if (mkdir(tmproot, 0777) == -1) { |
| Info(slide, 1, ((char *)slide, |
| "checkdir: cannot create extraction directory: %s\n", |
| FnFilter1(tmproot))); |
| free(tmproot); |
| rootlen = 0; |
| /* path didn't exist, tried to create, and failed: */ |
| /* file exists, or 2+ subdir levels required */ |
| return MPN_ERR_SKIP; |
| } |
| } |
| if (add_dot) /* had just "x:", make "x:." */ |
| tmproot[rootlen++] = '.'; |
| tmproot[rootlen++] = '/'; |
| tmproot[rootlen] = '\0'; |
| if ((rootpath = (char *)realloc(tmproot, rootlen+1)) == NULL) { |
| free(tmproot); |
| rootlen = 0; |
| return MPN_NOMEM; |
| } |
| Trace((stderr, "rootpath now = [%s]\n", FnFilter1(rootpath))); |
| } |
| return MPN_OK; |
| } |
| #endif /* !SFX || SFX_EXDIR */ |
| |
| /*--------------------------------------------------------------------------- |
| END: free rootpath, immediately prior to program exit. |
| ---------------------------------------------------------------------------*/ |
| |
| if (FUNCTION == END) { |
| Trace((stderr, "freeing rootpath\n")); |
| if (rootlen > 0) { |
| free(rootpath); |
| rootlen = 0; |
| } |
| return MPN_OK; |
| } |
| |
| return MPN_INVALID; /* should never reach */ |
| |
| } /* end function checkdir() */ |
| |
| |
| |
| |
| #if (defined(USE_EF_UT_TIME) || defined(TIMESTAMP)) |
| /* The following DOS date/time structure is machine-dependent as it |
| * assumes "little-endian" byte order. For MSDOS-specific code, which |
| * is run on ix86 CPUs (or emulators), this assumption is valid; but |
| * care should be taken when using this code as template for other ports. |
| */ |
| typedef union { |
| ulg z_dostime; |
| struct { /* date and time words */ |
| ush ztime; /* DOS file modification time word */ |
| ush zdate; /* DOS file modification date word */ |
| } zft; |
| struct { /* DOS date/time components bitfield */ |
| unsigned zt_se : 5; |
| unsigned zt_mi : 6; |
| unsigned zt_hr : 5; |
| unsigned zd_dy : 5; |
| unsigned zd_mo : 4; |
| unsigned zd_yr : 7; |
| } z_dtf; |
| } dos_fdatetime; |
| #endif /* USE_EF_UT_TIME || TIMESTAMP */ |
| |
| |
| /****************************/ |
| /* Function close_outfile() */ |
| /****************************/ |
| |
| void close_outfile(__G) |
| __GDEF |
| { |
| /* skip restoring time stamps on user's request */ |
| if (uO.D_flag <= 1) { |
| #ifdef USE_EF_UT_TIME |
| dos_fdatetime dos_dt; |
| iztimes z_utime; |
| struct tm *t; |
| #endif /* USE_EF_UT_TIME */ |
| |
| |
| #ifdef USE_EF_UT_TIME |
| if (G.extra_field && |
| #ifdef IZ_CHECK_TZ |
| G.tz_is_valid && |
| #endif |
| (ef_scan_for_izux(G.extra_field, G.lrec.extra_field_length, 0, |
| G.lrec.last_mod_dos_datetime, &z_utime, NULL) |
| & EB_UT_FL_MTIME)) |
| { |
| TTrace((stderr, "close_outfile: Unix e.f. modif. time = %ld\n", |
| z_utime.mtime)); |
| /* round up (down if "up" overflows) to even seconds */ |
| if (z_utime.mtime & 1) |
| z_utime.mtime = (z_utime.mtime + 1 > z_utime.mtime) ? |
| z_utime.mtime + 1 : z_utime.mtime - 1; |
| TIMET_TO_NATIVE(z_utime.mtime) /* NOP unless MSC 7 or Macintosh */ |
| t = localtime(&(z_utime.mtime)); |
| } else |
| t = (struct tm *)NULL; |
| if (t != (struct tm *)NULL) { |
| if (t->tm_year < 80) { |
| dos_dt.z_dtf.zt_se = 0; |
| dos_dt.z_dtf.zt_mi = 0; |
| dos_dt.z_dtf.zt_hr = 0; |
| dos_dt.z_dtf.zd_dy = 1; |
| dos_dt.z_dtf.zd_mo = 1; |
| dos_dt.z_dtf.zd_yr = 0; |
| } else { |
| dos_dt.z_dtf.zt_se = t->tm_sec >> 1; |
| dos_dt.z_dtf.zt_mi = t->tm_min; |
| dos_dt.z_dtf.zt_hr = t->tm_hour; |
| dos_dt.z_dtf.zd_dy = t->tm_mday; |
| dos_dt.z_dtf.zd_mo = t->tm_mon + 1; |
| dos_dt.z_dtf.zd_yr = t->tm_year - 80; |
| } |
| } else { |
| dos_dt.z_dostime = G.lrec.last_mod_dos_datetime; |
| } |
| _dos_filedate(fileno(G.outfile), dos_dt.z_dostime); |
| #else /* !USE_EF_UT_TIME */ |
| _dos_filedate(fileno(G.outfile), G.lrec.last_mod_dos_datetime); |
| #endif /* ?USE_EF_UT_TIME */ |
| } |
| |
| fclose(G.outfile); |
| |
| _dos_chmod(G.filename, G.pInfo->file_attr); |
| |
| } /* end function close_outfile() */ |
| |
| |
| |
| |
| |
| #ifdef TIMESTAMP |
| |
| /*************************/ |
| /* Function stamp_file() */ |
| /*************************/ |
| |
| int stamp_file(fname, modtime) |
| ZCONST char *fname; |
| time_t modtime; |
| { |
| dos_fdatetime dos_dt; |
| time_t t_even; |
| struct tm *t; |
| int fd; /* file handle */ |
| |
| /* round up (down if "up" overflows) to even seconds */ |
| t_even = ((modtime + 1 > modtime) ? modtime + 1 : modtime) & (~1); |
| TIMET_TO_NATIVE(t_even) /* NOP unless MSC 7.0 or Macintosh */ |
| t = localtime(&t_even); |
| if (t == (struct tm *)NULL) |
| return -1; /* time conversion error */ |
| if (t->tm_year < 80) { |
| dos_dt.z_dtf.zt_se = 0; |
| dos_dt.z_dtf.zt_mi = 0; |
| dos_dt.z_dtf.zt_hr = 0; |
| dos_dt.z_dtf.zd_dy = 1; |
| dos_dt.z_dtf.zd_mo = 1; |
| dos_dt.z_dtf.zd_yr = 0; |
| } else { |
| dos_dt.z_dtf.zt_se = t->tm_sec >> 1; |
| dos_dt.z_dtf.zt_mi = t->tm_min; |
| dos_dt.z_dtf.zt_hr = t->tm_hour; |
| dos_dt.z_dtf.zd_dy = t->tm_mday; |
| dos_dt.z_dtf.zd_mo = t->tm_mon + 1; |
| dos_dt.z_dtf.zd_yr = t->tm_year - 80; |
| } |
| if (((fd = open((char *)fname, 0)) == -1) || |
| (_dos_filedate(fd, dos_dt.z_dostime))) |
| { |
| if (fd != -1) |
| close(fd); |
| return -1; |
| } |
| close(fd); |
| return 0; |
| |
| } /* end function stamp_file() */ |
| |
| #endif /* TIMESTAMP */ |
| |
| |
| |
| |
| #ifndef SFX |
| |
| /************************/ |
| /* Function version() */ |
| /************************/ |
| |
| void version(__G) |
| __GDEF |
| { |
| int len; |
| #if 0 |
| char buf[40]; |
| #endif |
| |
| len = sprintf((char *)slide, LoadFarString(CompiledWith), |
| |
| #ifdef __GNUC__ |
| "gcc ", __VERSION__, |
| #else |
| # if 0 |
| "cc ", (sprintf(buf, " version %d", _RELEASE), buf), |
| # else |
| "unknown compiler", "", |
| # endif |
| #endif |
| |
| "Human68k", |
| #ifdef __MC68020__ |
| " (X68030)", |
| #else |
| " (X680x0)", |
| #endif |
| |
| #ifdef __DATE__ |
| " on ", __DATE__ |
| #else |
| "", "" |
| #endif |
| ); |
| |
| (*G.message)((zvoid *)&G, slide, (ulg)len, 0); |
| |
| } /* end function version() */ |
| |
| #endif /* !SFX */ |
| |
| |
| #if defined (SFX) && defined (MAIN) |
| int main(int argc, char *argv[]) |
| { |
| char argv0[92]; |
| |
| /* make true argv[0] (startup routine makes it inaccuracy) */ |
| argv[0] = strcat (strcpy (argv0, _procp->exe_path), _procp->exe_name); |
| |
| return MAIN(argc, argv); |
| } |
| #endif /* SFX && MAIN */ |