| 0,0 → 1,1019 |
|---|
| /* |
| Copyright (c) 1990-2008 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 |
| */ |
| /*--------------------------------------------------------------------------- |
| |
| atari.c |
| |
| Atari-specific routines for use with Info-ZIP's UnZip 5.1 and later. |
| |
| Contains: readdir() |
| do_wild() <-- generic enough to put in fileio.c? |
| mapattr() |
| mapname() |
| checkdir() |
| mkdir() |
| close_outfile() |
| stamp_file() [optional feature] |
| version() |
| |
| Due to the amazing MiNT library being very, very close to BSD unix's |
| library, I'm using the unix.c as a base for this. Note: If you're not |
| going to compile this with the MiNT libraries (for GNU C, Turbo C, Pure C, |
| Lattice C, or Heat & Serve C), you're going to be in for some nasty work. |
| Most of the modifications in this file were made by Chris Herborth |
| (cherborth@semprini.waterloo-rdp.on.ca) and /should/ be marked with [cjh]. |
| |
| ---------------------------------------------------------------------------*/ |
| |
| |
| #define UNZIP_INTERNAL |
| #include "unzip.h" |
| #include <dirent.h> /* MiNTlibs has dirent [cjh] */ |
| |
| static int created_dir; /* used in mapname(), checkdir() */ |
| static int renamed_fullpath; /* ditto */ |
| |
| |
| #ifndef SFX |
| |
| /**********************/ |
| /* Function do_wild() */ /* for porting: dir separator; match(ignore_case) */ |
| /**********************/ |
| |
| 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; |
| dir = NULL; |
| return matchname; |
| } |
| |
| /* break the wildspec into a directory part and a wildcard filename */ |
| if ((wildname = strrchr(wildspec, '/')) == (ZCONST char *)NULL) { |
| dirname = "."; |
| dirnamelen = 1; |
| have_dirname = FALSE; |
| wildname = wildspec; |
| } else { |
| ++wildname; /* point at character after '/' */ |
| dirnamelen = wildname - wildspec; |
| if ((dirname = (char *)malloc(dirnamelen+1)) == (char *)NULL) { |
| Info(slide, 0x201, ((char *)slide, |
| "warning: cannot allocate wildcard buffers\n")); |
| strncpy(matchname, wildspec, FILNAMSIZ); |
| matchname[FILNAMSIZ-1] = '\0'; |
| return matchname; /* but maybe filespec was not a wildcard */ |
| } |
| strncpy(dirname, wildspec, dirnamelen); |
| dirname[dirnamelen] = '\0'; /* terminate for strcpy below */ |
| have_dirname = TRUE; |
| } |
| |
| if ((wild_dir = opendir(dirname)) != (DIR *)NULL) { |
| while ((file = readdir(wild_dir)) != (struct dirent *)NULL) { |
| Trace((stderr, "do_wild: readdir returns %s\n", file->d_name)); |
| if (file->d_name[0] == '.' && wildname[0] != '.') |
| continue; /* Unix: '*' and '?' do not match leading dot */ |
| /* Need something here for TOS filesystem? [cjh] */ |
| 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; |
| } |
| |
| /* 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) { |
| /* May need special TOS handling here. [cjh] */ |
| Trace((stderr, "do_wild: readdir returns %s\n", 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 |
| { |
| int r; |
| ulg tmp = G.crec.external_file_attributes; |
| |
| G.pInfo->file_attr = 0; |
| /* initialized to 0 for check in "default" branch below... */ |
| |
| 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 THEOS_: |
| tmp &= 0xF1FFFFFFL; |
| if ((tmp & 0xF0000000L) != 0x40000000L) |
| tmp &= 0x01FFFFFFL; /* not a dir, mask all ftype bits */ |
| else |
| tmp &= 0x41FFFFFFL; /* leave directory bit as set */ |
| /* fall through! */ |
| case UNIX_: |
| case VMS_: |
| case ACORN_: |
| case ATARI_: |
| case ATHEOS_: |
| case BEOS_: |
| case QDOS_: |
| case TANDEM_: |
| r = FALSE; |
| G.pInfo->file_attr = (unsigned)(tmp >> 16); |
| if (G.pInfo->file_attr == 0 && G.extra_field) { |
| /* 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; |
| |
| 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) { |
| #ifdef SYMLINKS |
| /* Check if the file is a (POSIX-compatible) symbolic link. |
| * We restrict symlink support to those "made-by" hosts that |
| * are known to support symbolic links. |
| */ |
| G.pInfo->symlink = S_ISLNK(G.pInfo->file_attr) && |
| SYMLINK_HOST(G.pInfo->hostnum); |
| #endif |
| return 0; |
| } |
| /* fall through! */ |
| /* all remaining cases: expand MSDOS read-only bit into write perms */ |
| case FS_FAT_: |
| /* PKWARE's PKZip for Unix marks entries as FS_FAT_, but stores the |
| * Unix attributes in the upper 16 bits of the external attributes |
| * field, just like Info-ZIP's Zip for Unix. We try to use that |
| * value, after a check for consistency with the MSDOS attribute |
| * bits (see below). |
| */ |
| G.pInfo->file_attr = (unsigned)(tmp >> 16); |
| /* fall through! */ |
| case FS_HPFS_: |
| case FS_NTFS_: |
| case MAC_: |
| case TOPS20_: |
| default: |
| /* Ensure that DOS subdir bit is set when the entry's name ends |
| * in a '/'. Some third-party Zip programs fail to set the subdir |
| * bit for directory entries. |
| */ |
| if ((tmp & 0x10) == 0) { |
| extent fnlen = strlen(G.filename); |
| if (fnlen > 0 && G.filename[fnlen-1] == '/') |
| tmp |= 0x10; |
| } |
| /* read-only bit --> write perms; subdir bit --> dir exec bit */ |
| tmp = !(tmp & 1) << 1 | (tmp & 0x10) >> 4; |
| if ((G.pInfo->file_attr & 0700) == (unsigned)(0400 | tmp<<6)) { |
| /* keep previous G.pInfo->file_attr setting, when its "owner" |
| * part appears to be consistent with DOS attribute flags! |
| */ |
| #ifdef SYMLINKS |
| /* Entries "made by FS_FAT_" could have been zipped on a |
| * system that supports POSIX-style symbolic links. |
| */ |
| G.pInfo->symlink = S_ISLNK(G.pInfo->file_attr) && |
| (G.pInfo->hostnum == FS_FAT_); |
| #endif |
| return 0; |
| } |
| 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() */ |
| /************************/ |
| |
| 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 */ |
| #ifdef ACORN_FTYPE_NFS |
| char *lastcomma=(char *)NULL; /* pointer to last comma in pathcomp */ |
| RO_extra_block *ef_spark; /* pointer Acorn FTYPE ef block */ |
| #endif |
| int killed_ddot = FALSE; /* is set when skipping "../" pathcomp */ |
| int error = MPN_OK; |
| register unsigned workch; /* hold the character being tested */ |
| |
| |
| /*--------------------------------------------------------------------------- |
| Initialize various pointers and counters and stuff. |
| ---------------------------------------------------------------------------*/ |
| |
| if (G.pInfo->vollabel) |
| return MPN_VOL_LABEL; /* can't set disk volume labels on Atari */ |
| |
| /* 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) == MPN_NOMEM) |
| return MPN_NOMEM; /* 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) { |
| |
| switch (workch) { |
| case '/': /* can assume -j flag not given */ |
| *pp = '\0'; |
| 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 ';': /* VMS version (or DEC-20 attrib?) */ |
| lastsemi = pp; |
| *pp++ = ';'; /* keep for now; remove VMS ";##" */ |
| break; /* later, if requested */ |
| |
| #ifdef ACORN_FTYPE_NFS |
| case ',': /* NFS filetype extension */ |
| lastcomma = pp; |
| *pp++ = ','; /* keep for now; may need to remove */ |
| break; /* later, if requested */ |
| #endif |
| |
| #ifdef MTS |
| case ' ': /* change spaces to underscore under */ |
| *pp++ = '_'; /* MTS; leave as spaces under Unix */ |
| break; |
| #endif |
| |
| default: |
| /* allow European characters in filenames: */ |
| if (isprint(workch) || (128 <= workch && workch <= 254)) |
| *pp++ = (char)workch; |
| } /* end switch */ |
| |
| } /* end while loop */ |
| |
| /* 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'; |
| } |
| |
| /* On UNIX (and compatible systems), "." and ".." are reserved for |
| * directory navigation and cannot be used as regular file names. |
| * These reserved one-dot and two-dot names are mapped to "_" and "__". |
| */ |
| if (strcmp(pathcomp, ".") == 0) |
| *pathcomp = '_'; |
| else if (strcmp(pathcomp, "..") == 0) |
| strcpy(pathcomp, "__"); |
| |
| #ifdef ACORN_FTYPE_NFS |
| /* translate Acorn filetype information if asked to do so */ |
| if (uO.acorn_nfs_ext && |
| (ef_spark = (RO_extra_block *) |
| getRISCOSexfield(G.extra_field, G.lrec.extra_field_length)) |
| != (RO_extra_block *)NULL) |
| { |
| /* file *must* have a RISC OS extra field */ |
| long ft = (long)makelong(ef_spark->loadaddr); |
| /*32-bit*/ |
| if (lastcomma) { |
| pp = lastcomma + 1; |
| while (isxdigit((uch)(*pp))) ++pp; |
| if (pp == lastcomma+4 && *pp == '\0') *lastcomma='\0'; /* nuke */ |
| } |
| if ((ft & 1<<31)==0) ft=0x000FFD00; |
| sprintf(pathcomp+strlen(pathcomp), ",%03x", (int)(ft>>8) & 0xFFF); |
| } |
| #endif /* ACORN_FTYPE_NFS */ |
| |
| 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); |
| |
| return error; |
| |
| } /* end function mapname() */ |
| |
| |
| |
| |
| #if 0 /*========== NOTES ==========*/ |
| |
| extract-to dir: a:path/ |
| buildpath: path1/path2/ ... (NULL-terminated) |
| pathcomp: filename |
| |
| mapname(): |
| loop over chars in zipfile member name |
| checkdir(path component, COMPONENT | CREATEDIR) --> map as required? |
| (d:/tmp/unzip/) (disk:[tmp.unzip.) |
| (d:/tmp/unzip/jj/) (disk:[tmp.unzip.jj.) |
| (d:/tmp/unzip/jj/temp/) (disk:[tmp.unzip.jj.temp.) |
| finally add filename itself and check for existence? (could use with rename) |
| (d:/tmp/unzip/jj/temp/msg.outdir) (disk:[tmp.unzip.jj.temp]msg.outdir) |
| checkdir(name, GETPATH) --> copy path to name and free space |
| |
| #endif /* 0 */ |
| |
| |
| |
| |
| /***********************/ |
| /* Function checkdir() */ |
| /***********************/ |
| |
| int checkdir(__G__ pathcomp, flag) |
| __GDEF |
| char *pathcomp; |
| int flag; |
| /* |
| * returns: |
| * 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; |
| /* SHORT_NAMES required for TOS, but it has to co-exist for minix fs... [cjh] */ |
| #ifdef SHORT_NAMES |
| char *old_end = end; |
| #endif |
| |
| Trace((stderr, "appending dir segment [%s]\n", FnFilter1(pathcomp))); |
| while ((*end = *pathcomp++) != '\0') |
| ++end; |
| /* SHORT_NAMES required for TOS, but it has to co-exist for minix fs... [cjh] */ |
| #ifdef SHORT_NAMES /* path components restricted to 14 chars, typically */ |
| if ((end-old_end) > FILENAME_MAX) /* GRR: proper constant? */ |
| *(end = old_end + FILENAME_MAX) = '\0'; |
| #endif |
| |
| /* GRR: could do better check, see if overrunning buffer as we go: |
| * check end-buildpath after each append, set warning variable if |
| * within 20 of FILNAMSIZ; then if var set, do careful check when |
| * appending. Clear variable when begin new path. */ |
| |
| if ((end-buildpath) > FILNAMSIZ-3) /* need '/', one-char name, '\0' */ |
| too_long = TRUE; /* check if extracting directory? */ |
| if (stat(buildpath, &G.statbuf)) { /* path doesn't exist */ |
| if (!G.create_dirs) { /* told not to create (freshening) */ |
| free(buildpath); |
| return 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), FnFilter(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) { |
| /* SHORT_NAMES required for TOS, but it has to co-exist for minix fs... [cjh] */ |
| #ifdef SHORT_NAMES |
| char *old_end = end; |
| #endif |
| |
| Trace((stderr, "appending filename [%s]\n", FnFilter1(pathcomp))); |
| while ((*end = *pathcomp++) != '\0') { |
| ++end; |
| /* SHORT_NAMES required for TOS, but it has to co-exist for minix fs... [cjh] */ |
| #ifdef SHORT_NAMES /* truncate name at 14 characters, typically */ |
| if ((end-old_end) > FILENAME_MAX) /* GRR: proper constant? */ |
| *(end = old_end + FILENAME_MAX) = '\0'; |
| #endif |
| if ((end-buildpath) >= FILNAMSIZ) { |
| *--end = '\0'; |
| Info(slide, 0x201, ((char *)slide, |
| "checkdir warning: path too long; truncating\n\ |
| %s\n -> %s\n", |
| 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. |
| ---------------------------------------------------------------------------*/ |
| |
| /* GRR: for VMS and TOPS-20, add up to 13 to strlen */ |
| |
| if (FUNCTION == INIT) { |
| Trace((stderr, "initializing buildpath to ")); |
| #ifdef ACORN_FTYPE_NFS |
| if ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+ |
| (uO.acorn_nfs_ext ? 5 : 1))) |
| #else |
| if ((buildpath = (char *)malloc(strlen(G.filename)+rootlen+1)) |
| #endif |
| == (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 |
| necessary; 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 MPN_OK; |
| } |
| if (rootlen > 0) /* rootpath was already set, nothing to do */ |
| return MPN_OK; |
| if ((rootlen = strlen(pathcomp)) > 0) { |
| char *tmproot; |
| |
| if ((tmproot = (char *)malloc(rootlen+2)) == (char *)NULL) { |
| rootlen = 0; |
| return MPN_NOMEM; |
| } |
| strcpy(tmproot, pathcomp); |
| if (tmproot[rootlen-1] == '/') { |
| tmproot[--rootlen] = '\0'; |
| } |
| if (rootlen > 0 && (stat(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; |
| } |
| } |
| 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) /* GRR: change to return PK-style warning level */ |
| __GDEF |
| { |
| #ifdef USE_EF_UT_TIME |
| unsigned eb_izux_flg; |
| iztimes zt; |
| #endif |
| ztimbuf tp; |
| |
| /*--------------------------------------------------------------------------- |
| If symbolic links are supported, allocate storage for a symlink control |
| structure, put the uncompressed "data" and other required info in it, and |
| add the structure to the "deferred symlinks" chain. Since we know it's a |
| symbolic link to start with, we shouldn't have to worry about overflowing |
| unsigned ints with unsigned longs. |
| ---------------------------------------------------------------------------*/ |
| |
| /* symlinks allowed on minix filesystems [cjh] |
| * Hopefully this will work properly... We won't bother to try if |
| * MiNT isn't present; the symlink should fail if we're on a TOS |
| * filesystem. |
| * BUG: should we copy the original file to the "symlink" if the |
| * link fails? |
| */ |
| if (G.symlnk) { |
| extent ucsize = (extent)G.lrec.ucsize; |
| /* size of the symlink entry is the sum of |
| * (struct size (includes 1st '\0') + 1 additional trailing '\0'), |
| * system specific attribute data size (might be 0), |
| * and the lengths of name and link target. |
| */ |
| extent slnk_entrysize = (sizeof(slinkentry) + 1) + |
| ucsize + strlen(G.filename); |
| slinkentry *slnk_entry; |
| |
| if (slnk_entrysize < ucsize) { |
| Info(slide, 0x201, ((char *)slide, |
| "warning: symbolic link (%s) failed: mem alloc overflow\n", |
| FnFilter1(G.filename))); |
| fclose(G.outfile); |
| return; |
| } |
| |
| if ((slnk_entry = (slinkentry *)malloc(slnk_entrysize)) == NULL) { |
| Info(slide, 0x201, ((char *)slide, |
| "warning: symbolic link (%s) failed: no mem\n", |
| FnFilter1(G.filename))); |
| fclose(G.outfile); |
| return; |
| } |
| slnk_entry->next = NULL; |
| slnk_entry->targetlen = ucsize; |
| slnk_entry->attriblen = 0; /* don't set attributes for symlinks */ |
| slnk_entry->target = slnk_entry->buf; |
| slnk_entry->fname = slnk_entry->target + ucsize + 1; |
| strcpy(slnk_entry->fname, G.filename); |
| |
| /* move back to the start of the file to re-read the "link data" */ |
| rewind(G.outfile); |
| |
| if (fread(slnk_entry->target, 1, ucsize, G.outfile) != ucsize) |
| { |
| Info(slide, 0x201, ((char *)slide, |
| "warning: symbolic link (%s) failed\n", |
| FnFilter1(G.filename))); |
| free(slnk_entry); |
| fclose(G.outfile); |
| return; |
| } |
| fclose(G.outfile); /* close "link" file for good... */ |
| slnk_entry->target[ucsize] = '\0'; |
| if (QCOND2) |
| Info(slide, 0, ((char *)slide, "-> %s ", |
| FnFilter1(slnk_entry->target))); |
| /* add this symlink record to the list of deferred symlinks */ |
| if (G.slink_last != NULL) |
| G.slink_last->next = slnk_entry; |
| else |
| G.slink_head = slnk_entry; |
| G.slink_last = slnk_entry; |
| return; |
| } |
| |
| fclose(G.outfile); |
| |
| /*--------------------------------------------------------------------------- |
| 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. |
| ---------------------------------------------------------------------------*/ |
| |
| /* skip restoring time stamps on user's request */ |
| if (uO.D_flag <= 1) { |
| #ifdef USE_EF_UT_TIME |
| eb_izux_flg = (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, &zt, NULL) |
| : 0); |
| if (eb_izux_flg & EB_UT_FL_MTIME) { |
| tp.modtime = zt.mtime; |
| TTrace((stderr, |
| "\nclose_outfile: Unix e.f. modif. time = %ld\n", |
| tp.modtime)); |
| } else { |
| tp.modtime = dos_to_unix_time(G.lrec.last_mod_dos_datetime); |
| } |
| if (eb_izux_flg & EB_UT_FL_ATIME) { |
| tp.actime = zt.atime; |
| TTrace((stderr, |
| "close_outfile: Unix e.f. access time = %ld\n", |
| tp.actime)); |
| } else { |
| tp.actime = tp.modtime; |
| TTrace((stderr, |
| "\nclose_outfile: modification/access times = %ld\n", |
| tp.modtime)); |
| } |
| #else /* !USE_EF_UT_TIME */ |
| tp.actime = tp.modtime |
| = dos_to_unix_time(G.lrec.last_mod_dos_datetime); |
| |
| TTrace((stderr, "\nclose_outfile: modification/access times = %ld\n", |
| tp.modtime)); |
| #endif /* ?USE_EF_UT_TIME */ |
| |
| /* set the file's access and modification times */ |
| if (utime(G.filename, &tp)) |
| Info(slide, 0x201, ((char *)slide, |
| "warning: cannot set the time for %s\n", |
| FnFilter1(G.filename))); |
| } |
| |
| /*--------------------------------------------------------------------------- |
| Change the file permissions from default ones to those stored in the |
| zipfile. |
| ---------------------------------------------------------------------------*/ |
| |
| #ifndef NO_CHMOD |
| if (chmod(G.filename, 0xffff & G.pInfo->file_attr)) |
| perror("chmod (file attributes) error"); |
| #endif |
| |
| } /* end function close_outfile() */ |
| |
| |
| |
| |
| #ifdef TIMESTAMP |
| |
| /***************************/ |
| /* Function stamp_file() */ |
| /***************************/ |
| |
| int stamp_file(fname, modtime) |
| ZCONST char *fname; |
| time_t modtime; |
| { |
| ztimbuf tp; |
| |
| tp.modtime = tp.actime = modtime; |
| return (utime(fname, &tp)); |
| |
| } /* end function stamp_file() */ |
| |
| #endif /* TIMESTAMP */ |
| |
| |
| |
| |
| #ifndef SFX |
| |
| /************************/ |
| /* Function version() */ |
| /************************/ |
| |
| void version(__G) |
| __GDEF |
| { |
| #ifdef __TURBOC__ |
| char buf[40]; |
| #endif |
| |
| sprintf((char *)slide, LoadFarString(CompiledWith), |
| |
| #ifdef __GNUC__ |
| "gcc ", __VERSION__, |
| #else |
| # if 0 |
| "cc ", (sprintf(buf, " version %d", _RELEASE), buf), |
| # else |
| # ifdef __TURBOC__ |
| "Turbo C", (sprintf(buf, " (0x%04x = %d)", __TURBOC__, __TURBOC__), buf), |
| # else |
| "unknown compiler", "", |
| # endif |
| # endif |
| #endif |
| |
| #ifdef __MINT__ |
| "Atari TOS/MiNT", |
| #else |
| "Atari TOS", |
| #endif |
| |
| " (Atari ST/TT/Falcon030)", |
| |
| #ifdef __DATE__ |
| " on ", __DATE__ |
| #else |
| "", "" |
| #endif |
| ); |
| |
| (*G.message)((zvoid *)&G, slide, (ulg)strlen((char *)slide), 0); |
| |
| } /* end function version() */ |
| |
| #endif /* !SFX */ |