| 0,0 → 1,936 |
|---|
| /* |
| 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 |
| */ |
| /*--------------------------------------------------------------------------- |
| |
| flexos.c |
| |
| FlexOS-specific routines for use with Info-ZIP's UnZip 5.2 and later. |
| |
| Based upon the MSDOS version of this file (msdos/msdos.c) |
| |
| Contains: do_wild() |
| mapattr() |
| mapname() |
| map2fat() |
| checkdir() |
| close_outfile() |
| dateformat() |
| version() |
| _wildarg() |
| |
| ---------------------------------------------------------------------------*/ |
| |
| |
| |
| #define UNZIP_INTERNAL |
| #include "unzip.h" |
| |
| #include <flexif.h> |
| |
| /* The following should really be a static declaration, but the compiler |
| complains (crappy compiler can't cope with a static forward declaration). |
| */ |
| extern void map2fat OF((char *pathcomp, char *last_dot)); |
| |
| static int created_dir; /* used by mapname(), checkdir() */ |
| static int renamed_fullpath; /* ditto */ |
| |
| /*****************************/ |
| /* Strings used in flexos.c */ |
| /*****************************/ |
| |
| #ifndef SFX |
| static ZCONST char Far CantAllocateWildcard[] = |
| "warning: cannot allocate wildcard buffers\n"; |
| #endif |
| static ZCONST char Far WarnDirTraversSkip[] = |
| "warning: skipped \"../\" path component(s) in %s\n"; |
| static ZCONST char Far Creating[] = " creating: %s\n"; |
| static ZCONST char Far ConversionFailed[] = |
| "mapname: conversion of %s failed\n"; |
| static ZCONST char Far PathTooLong[] = "checkdir error: path too long: %s\n"; |
| static ZCONST char Far CantCreateDir[] = "checkdir error: cannot create %s\n\ |
| unable to process %s.\n"; |
| static ZCONST char Far DirIsntDirectory[] = |
| "checkdir error: %s exists but is not directory\n\ |
| unable to process %s.\n"; |
| static ZCONST char Far PathTooLongTrunc[] = |
| "checkdir warning: path too long; truncating\n %s\n\ |
| -> %s\n"; |
| #if (!defined(SFX) || defined(SFX_EXDIR)) |
| static ZCONST char Far CantCreateExtractDir[] = |
| "checkdir: cannot create extraction directory: %s\n"; |
| #endif |
| |
| #include <dirent.h> |
| |
| #ifndef SFX |
| |
| /************************/ |
| /* Function do_wild() */ /* identical to OS/2 version */ |
| /************************/ |
| |
| 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; |
| char *fnamestart; |
| 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; |
| dir = NULL; |
| return matchname; |
| } |
| |
| /* break the wildspec into a directory part and a wildcard filename */ |
| if ((wildname = strrchr(wildspec, '/')) == (ZCONST char *)NULL && |
| (wildname = strrchr(wildspec, ':')) == (ZCONST char *)NULL) { |
| dirname = "."; |
| dirnamelen = 1; |
| have_dirname = FALSE; |
| wildname = wildspec; |
| } else { |
| ++wildname; /* point at character after '/' or ':' */ |
| dirnamelen = (int)(wildname - wildspec); |
| if ((dirname = (char *)malloc(dirnamelen+1)) == (char *)NULL) { |
| Info(slide, 1, ((char *)slide, |
| LoadFarString(CantAllocateWildcard))); |
| strncpy(matchname, wildspec, FILNAMSIZ); |
| matchname[FILNAMSIZ-1] = '\0'; |
| return matchname; /* but maybe filespec was not a wildcard */ |
| } |
| /* GRR: cannot strip trailing char for opendir since might be "d:/" or "d:" |
| * (would have to check for "./" at end--let opendir handle it instead) */ |
| 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) { |
| if (have_dirname) { |
| strcpy(matchname, dirname); |
| fnamestart = matchname + dirnamelen; |
| } else |
| fnamestart = matchname; |
| while ((file = readdir(wild_dir)) != (struct dirent *)NULL) { |
| Trace((stderr, "do_wild: readdir returns %s\n", |
| FnFilter1(file->d_name))); |
| strcpy(fnamestart, file->d_name); |
| if (strrchr(fnamestart, '.') == (char *)NULL) |
| strcat(fnamestart, "."); |
| if (match(fnamestart, wildname, 1 WISEP) && /* 1=ignore case */ |
| /* skip "." and ".." directory entries */ |
| strcmp(fnamestart, ".") && strcmp(fnamestart, "..")) { |
| Trace((stderr, "do_wild: match() succeeds\n")); |
| /* remove trailing dot */ |
| fnamestart += strlen(fnamestart) - 1; |
| if (*fnamestart == '.') |
| *fnamestart = '\0'; |
| 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. |
| */ |
| if (have_dirname) { |
| /* strcpy(matchname, dirname); */ |
| fnamestart = matchname + dirnamelen; |
| } else |
| fnamestart = matchname; |
| while ((file = readdir(wild_dir)) != (struct dirent *)NULL) { |
| Trace((stderr, "do_wild: readdir returns %s\n", |
| FnFilter1(file->d_name))); |
| strcpy(fnamestart, file->d_name); |
| if (strrchr(fnamestart, '.') == (char *)NULL) |
| strcat(fnamestart, "."); |
| if (match(fnamestart, wildname, 1 WISEP)) { /* 1 == ignore case */ |
| Trace((stderr, "do_wild: match() succeeds\n")); |
| /* remove trailing dot */ |
| fnamestart += strlen(fnamestart) - 1; |
| if (*fnamestart == '.') |
| *fnamestart = '\0'; |
| 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 |
| { |
| /* set archive bit (file is not backed up): */ |
| G.pInfo->file_attr = (unsigned)(G.crec.external_file_attributes & 7) | 32; |
| return 0; |
| } |
| |
| |
| |
| /**********************/ |
| /* 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 not converted to underscore */ |
| int dotname = FALSE; /* path component begins with dot? */ |
| int killed_ddot = FALSE; /* is set when skipping "../" pathcomp */ |
| int error = MPN_OK; |
| register unsigned workch; /* hold the character being tested */ |
| |
| |
| if (G.pInfo->vollabel) |
| return MPN_VOL_LABEL; /* Cannot set disk volume labels in FlexOS */ |
| |
| /*--------------------------------------------------------------------------- |
| 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; |
| /* use temporary rootpath if user gave full pathname */ |
| if (G.filename[0] == '/') { |
| renamed_fullpath = TRUE; |
| pathcomp[0] = '/'; /* copy the '/' and terminate */ |
| pathcomp[1] = '\0'; |
| ++cp; |
| } else if (isalpha((uch)G.filename[0]) && G.filename[1] == ':') { |
| renamed_fullpath = TRUE; |
| pp = pathcomp; |
| *pp++ = *cp++; /* copy the "d:" (+ '/', possibly) */ |
| *pp++ = *cp++; |
| if (*cp == '/') |
| *pp++ = *cp++; /* otherwise add "./"? */ |
| *pp = '\0'; |
| } |
| } |
| |
| /* pathcomp is ignored unless renamed_fullpath is TRUE: */ |
| if ((error = checkdir(__G__ pathcomp, INIT)) != 0) /* initialize path buf */ |
| return error; /* ...unless no mem or vol label on hard disk */ |
| |
| *pathcomp = '\0'; /* initialize translation buffer */ |
| pp = pathcomp; /* point to translation buffer */ |
| if (!renamed) { /* cp already set if renamed */ |
| 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) { |
| |
| switch (workch) { |
| case '/': /* can assume -j flag not given */ |
| *pp = '\0'; |
| map2fat(pathcomp, last_dot); /* 8.3 truncation (in place) */ |
| last_dot = (char *)NULL; |
| 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; |
| |
| case '.': |
| if (pp == pathcomp) { /* nothing appended yet... */ |
| if (*cp == '.' && cp[1] == '/') { /* "../" */ |
| *pp++ = '.'; /* add first dot, unchanged... */ |
| ++cp; /* skip second dot, since it will */ |
| } else { /* be "added" at end of if-block */ |
| *pp++ = '_'; /* FAT doesn't allow null filename */ |
| dotname = TRUE; /* bodies, so map .exrc -> _.exrc */ |
| } /* (extra '_' now, "dot" below) */ |
| } else if (dotname) { /* found a second dot, but still */ |
| dotname = FALSE; /* have extra leading underscore: */ |
| *pp = '\0'; /* remove it by shifting chars */ |
| pp = pathcomp + 1; /* left one space (e.g., .p1.p2: */ |
| while (pp[1]) { /* __p1 -> _p1_p2 -> _p1.p2 when */ |
| *pp = pp[1]; /* finished) [opt.: since first */ |
| ++pp; /* two chars are same, can start */ |
| } /* shifting at second position] */ |
| } |
| last_dot = pp; /* point at last dot so far... */ |
| *pp++ = '_'; /* convert dot to underscore for now */ |
| 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 ':': /* special shell characters of command.com */ |
| case '\\': /* (device and directory limiters, wildcard */ |
| case '"': /* characters, stdin/stdout redirection and */ |
| case '<': /* pipe indicators and the quote sign) are */ |
| case '>': /* never allowed in filenames on (V)FAT */ |
| case '|': |
| case '*': |
| case '?': |
| *pp++ = '_'; |
| break; |
| |
| case ';': /* start of VMS version? */ |
| lastsemi = pp; |
| break; |
| |
| case ' ': /* change spaces to underscores */ |
| if (uO.sflag) /* only if requested */ |
| *pp++ = '_'; |
| else |
| *pp++ = (char)workch; |
| break; |
| |
| default: |
| /* allow ASCII 255 and European characters in filenames: */ |
| if (isprint(workch) || workch >= 127) |
| *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, LoadFarString(WarnDirTraversSkip), |
| 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, LoadFarString(Creating), |
| 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; /* semi-colon was omitted: expect all #'s */ |
| while (isdigit((uch)(*pp))) |
| ++pp; |
| if (*pp == '\0') /* only digits between ';' and end: nuke */ |
| *lastsemi = '\0'; |
| } |
| |
| map2fat(pathcomp, last_dot); /* 8.3 truncation (in place) */ |
| |
| if (*pathcomp == '\0') { |
| Info(slide, 1, ((char *)slide, LoadFarString(ConversionFailed), |
| 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); |
| |
| return error; |
| |
| } /* end function mapname() */ |
| |
| |
| |
| |
| /**********************/ |
| /* Function map2fat() */ |
| /**********************/ |
| |
| static void map2fat(pathcomp, last_dot) |
| char *pathcomp, *last_dot; |
| { |
| char *pEnd = pathcomp + strlen(pathcomp); |
| |
| /*--------------------------------------------------------------------------- |
| Case 1: filename has no dot, so figure out if we should add one. Note |
| that the algorithm does not try to get too fancy: if there are no dots |
| already, the name either gets truncated at 8 characters or the last un- |
| derscore is converted to a dot (only if more characters are saved that |
| way). In no case is a dot inserted between existing characters. |
| |
| GRR: have problem if filename is volume label?? |
| |
| ---------------------------------------------------------------------------*/ |
| |
| /* pEnd = pathcomp + strlen(pathcomp); */ |
| if (last_dot == (char *)NULL) { /* no dots: check for underscores... */ |
| char *plu = strrchr(pathcomp, '_'); /* pointer to last underscore */ |
| |
| if (plu == (char *)NULL) { /* no dots, no underscores: truncate at */ |
| if (pEnd > pathcomp+8) /* 8 chars (could insert '.' and keep 11) */ |
| *(pEnd = pathcomp+8) = '\0'; |
| } else if (MIN(plu - pathcomp, 8) + MIN(pEnd - plu - 1, 3) > 8) { |
| last_dot = plu; /* be lazy: drop through to next if-block */ |
| } else if ((pEnd - pathcomp) > 8) /* more fits into just basename */ |
| pathcomp[8] = '\0'; /* than if convert last underscore to dot */ |
| /* else whole thing fits into 8 chars or less: no change */ |
| } |
| |
| /*--------------------------------------------------------------------------- |
| Case 2: filename has dot in it, so truncate first half at 8 chars (shift |
| extension if necessary) and second half at three. |
| ---------------------------------------------------------------------------*/ |
| |
| if (last_dot != (char *)NULL) { /* one dot (or two, in the case of */ |
| *last_dot = '.'; /* "..") is OK: put it back in */ |
| |
| if ((last_dot - pathcomp) > 8) { |
| char *p=last_dot, *q=pathcomp+8; |
| int i; |
| |
| for (i = 0; (i < 4) && *p; ++i) /* too many chars in basename: */ |
| *q++ = *p++; /* shift extension left and */ |
| *q = '\0'; /* truncate/terminate it */ |
| } else if ((pEnd - last_dot) > 4) |
| last_dot[4] = '\0'; /* too many chars in extension */ |
| /* else filename is fine as is: no change */ |
| } |
| } /* end function map2fat() */ |
| |
| |
| |
| |
| /***********************/ |
| /* 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 (stat(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, LoadFarString(PathTooLong), |
| 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, LoadFarString(CantCreateDir), |
| 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, LoadFarString(DirIsntDirectory), |
| 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, LoadFarString(PathTooLong), |
| 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, LoadFarString(PathTooLongTrunc), |
| 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 (renamed_fullpath) { /* pathcomp = valid data */ |
| end = buildpath; |
| while ((*end = *pathcomp++) != '\0') |
| ++end; |
| } else if (rootlen > 0) { |
| 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. Note that under FlexOS, if a candidate extract-to |
| directory specification includes a drive letter (leading "x:"), it is |
| treated just as if it had a trailing '/'--that is, one directory level |
| will be created if the path doesn't exist, unless this is otherwise pro- |
| hibited (e.g., freshening). |
| ---------------------------------------------------------------------------*/ |
| |
| #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, add_dot=FALSE; |
| char *tmproot; |
| |
| if ((tmproot = (char *)malloc(rootlen+3)) == (char *)NULL) { |
| rootlen = 0; |
| return MPN_NOMEM; |
| } |
| strcpy(tmproot, pathcomp); |
| if (tmproot[rootlen-1] == '/' || tmproot[rootlen-1] == '\\') { |
| tmproot[--rootlen] = '\0'; |
| had_trailing_pathsep = TRUE; |
| } |
| if (tmproot[rootlen-1] == ':') { |
| if (!had_trailing_pathsep) /* i.e., original wasn't "xxx:/" */ |
| add_dot = TRUE; /* relative path: add '.' before '/' */ |
| } else if (rootlen > 0) && /* need not check "xxx:." and "xxx:/" */ |
| (SSTAT(tmproot, &G.statbuf) || |
| !S_ISDIR(G.statbuf.st_mode)) |
| { |
| /* path does not exist */ |
| if (!G.create_dirs /* || iswild(tmproot) */ ) { |
| free(tmproot); |
| rootlen = 0; |
| /* treat as stored file */ |
| return MPN_INF_SKIP; |
| } |
| /* GRR: scan for wildcard characters? OS-dependent... |
| * if find any, return MPN_INF_SKIP: treat as stored file(s) */ |
| /* create directory (could add loop here scanning tmproot |
| * to create more than one level, but really necessary?) */ |
| if (mkdir(tmproot, 0777) == -1) { |
| Info(slide, 1, ((char *)slide, |
| LoadFarString(CantCreateExtractDir), |
| 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() */ |
| |
| |
| |
| |
| /****************************/ |
| /* Function close_outfile() */ |
| /****************************/ |
| |
| void close_outfile(__G) |
| __GDEF |
| /* |
| * FlexOS VERSION |
| * |
| * Set the output file date/time stamp according to information from the |
| * zipfile directory record for this member, then close the file and set |
| * its permissions (archive, hidden, read-only, system). Aside from closing |
| * the file, this routine is optional (but most compilers support it). |
| */ |
| { |
| DISKFILE df; |
| LONG fnum; |
| |
| struct { /* date and time words */ |
| union { /* DOS file modification time word */ |
| ush ztime; |
| struct { |
| unsigned zt_se : 5; |
| unsigned zt_mi : 6; |
| unsigned zt_hr : 5; |
| } _tf; |
| } _t; |
| union { /* DOS file modification date word */ |
| ush zdate; |
| struct { |
| unsigned zd_dy : 5; |
| unsigned zd_mo : 4; |
| unsigned zd_yr : 7; |
| } _df; |
| } _d; |
| } zt; |
| |
| #ifdef USE_EF_UT_TIME |
| iztimes z_utime; |
| struct tm *t; |
| #endif /* ?USE_EF_UT_TIME */ |
| |
| fclose(G.outfile); |
| |
| if ((fnum = s_open(A_SET, G.filename)) < 0) { |
| Info(slide, 0x201, ((char *)slide, |
| "warning: cannot open %s to set the time\n", |
| FnFilter1(G.filename))); |
| return; |
| } |
| |
| if (s_get(T_FILE, fnum, &df, DSKFSIZE) < 0) { |
| s_close(0, fnum); |
| |
| Info(slide, 0x201, ((char *)slide, |
| "warning: cannot get info on %s\n", FnFilter1(G.filename))); |
| return; |
| } |
| |
| /* skip restoring time stamps on user's request */ |
| if (uO.D_flag <= 1) { |
| |
| /*--------------------------------------------------------------------------- |
| Copy and/or convert time and date variables, if necessary; then fill in |
| the file time/date. |
| ---------------------------------------------------------------------------*/ |
| |
| #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)); |
| t = localtime(&(z_utime.mtime)); |
| } else |
| t = (struct tm *)NULL; |
| if (t != (struct tm *)NULL) { |
| if (t->tm_year < 80) { |
| df.df_modyear = 1980; |
| df.df_modmonth = 1; |
| df.df_modday = 1; |
| df.df_modhr = 0; |
| df.df_modmin = 0; |
| df.df_modsec = 0; |
| } else { |
| df.df_modyear = t->tm_year + 1900; |
| df.df_modmonth = t->tm_mon + 1; |
| df.df_modday = t->tm_mday; |
| df.df_modhr = t->tm_hour; |
| df.df_modmin = t->tm_min; |
| df.df_modsec = t->tm_sec; |
| } |
| } else |
| #endif /* ?USE_EF_UX_TIME */ |
| { |
| zt._t.ztime = (ush)(G.lrec.last_mod_dos_datetime) & 0xffff; |
| zt._d.zdate = (ush)(G.lrec.last_mod_dos_datetime >> 16); |
| |
| df.df_modyear = 1980 + zt._d._df.zd_yr; |
| df.df_modmonth = zt._d._df.zd_mo; |
| df.df_modday = zt._d._df.zd_dy; |
| df.df_modhr = zt._t._tf.zt_hr; |
| df.df_modmin = zt._t._tf.zt_mi; |
| df.df_modsec = zt._t._tf.zt_se << 1; |
| } |
| } |
| |
| /*--------------------------------------------------------------------------- |
| Fill in the file attributes. |
| ---------------------------------------------------------------------------*/ |
| |
| df.df_attr1 = (UBYTE)G.pInfo->file_attr; |
| |
| /*--------------------------------------------------------------------------- |
| Now we try to set the attributes & date/time. |
| ---------------------------------------------------------------------------*/ |
| |
| if (s_set(T_FILE, fnum, &df, DSKFSIZE) < 0) |
| Info(slide, 0x201, ((char *)slide, |
| "warning: cannot set info for %s\n", FnFilter1(G.filename))); |
| |
| s_close(0, fnum); |
| } /* end function close_outfile() */ |
| |
| #ifndef SFX |
| |
| /*************************/ |
| /* Function dateformat() */ |
| /*************************/ |
| |
| int dateformat() |
| { |
| return DF_DMY; /* default for systems without locale info */ |
| } |
| |
| /************************/ |
| /* Function version() */ |
| /************************/ |
| |
| void version(__G) |
| __GDEF |
| { |
| int len; |
| |
| len = sprintf((char *)slide, LoadFarString(CompiledWith), |
| "MetaWare High C", |
| "", |
| "FlexOS", |
| " (16-bit, big)", |
| |
| #ifdef __DATE__ |
| " on ", __DATE__ |
| #else |
| "", "" |
| #endif |
| ); |
| |
| (*G.message)((zvoid *)&G, slide, (ulg)len, 0); |
| } |
| |
| #endif /* !SFX */ |
| |
| /************************/ |
| /* Function _wildarg() */ |
| /************************/ |
| |
| /* This prevents the PORTLIB startup code from preforming argument globbing */ |
| |
| _wildarg() {} |