| 0,0 → 1,1206 |
|---|
| /* |
| Copyright (c) 1990-2005 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 |
| */ |
| /*--------------------------------------------------------------------------- |
| |
| theos.c |
| |
| Theos-specific routines for use with Info-ZIP's UnZip 5.41 and later. |
| |
| Contains: do_wild() <-- generic enough to put in fileio.c? |
| mapattr() |
| mapname() |
| checkdir() |
| close_outfile() |
| defer_dir_attribs() |
| set_direc_attribs() |
| stamp_file() |
| version() |
| |
| ---------------------------------------------------------------------------*/ |
| |
| |
| #define UNZIP_INTERNAL |
| #include "unzip.h" |
| #include <direct.h> |
| #include <sc.h> |
| #include <fdb.h> |
| #include <nuc.h> |
| #include <peek.h> |
| |
| /* standard function doesn't work with a trailing / */ |
| #define opendir(a) _opendir(a) |
| extern DIR* _opendir(const char* dirpath); |
| |
| #ifdef SET_DIR_ATTRIB |
| typedef struct uxdirattr { /* struct for holding unix style directory */ |
| struct uxdirattr *next; /* info until can be sorted and set at end */ |
| char *fn; /* filename of directory */ |
| union { |
| iztimes t3; /* mtime, atime, ctime */ |
| ztimbuf t2; /* modtime, actime */ |
| } u; |
| unsigned perms; /* same as min_info.file_attr */ |
| char fnbuf[1]; /* buffer stub for directory name */ |
| } uxdirattr; |
| #define UxAtt(d) ((uxdirattr *)d) /* typecast shortcut */ |
| #endif /* SET_DIR_ATTRIB */ |
| |
| #ifdef ACORN_FTYPE_NFS |
| /* Acorn bits for NFS filetyping */ |
| typedef struct { |
| uch ID[2]; |
| uch size[2]; |
| uch ID_2[4]; |
| uch loadaddr[4]; |
| uch execaddr[4]; |
| uch attr[4]; |
| } RO_extra_block; |
| |
| #endif /* ACORN_FTYPE_NFS */ |
| |
| static int created_dir; /* used in mapname(), checkdir() */ |
| static int renamed_fullpath; /* ditto */ |
| |
| #define _FDB_SHARED_EXECUTE_PROTECT _FDB_MODIFIED |
| |
| uch _um2tm_(ush mask); |
| |
| int chmodv2_3(const char *fname, short mask) |
| { |
| return _filechange(fname,'p',(size_t) _um2tm_(mask)|0x80); |
| } |
| |
| int chlen(char *fname, unsigned short reclen, unsigned short keylen) |
| { |
| size_t a = reclen + ((size_t) keylen << 16); |
| return _filechange(fname,'ma',(size_t) &a); |
| } |
| |
| #define chgrow(a,b) ((int) _filechange(a,'g',(size_t)(b))) |
| #define chorg(a,b) ((int) _filechange(a,'m',(size_t)(b))) |
| |
| #ifndef SFX |
| |
| /*************************/ |
| /* Function dateformat() */ |
| /*************************/ |
| |
| int dateformat() |
| { |
| /*--------------------------------------------------------------------------- |
| For those operating systems that support it, this function returns a |
| value that tells how national convention says that numeric dates are |
| displayed. Return values are DF_YMD, DF_DMY and DF_MDY (the meanings |
| should be fairly obvious). |
| ---------------------------------------------------------------------------*/ |
| |
| switch (peeknuc(&NUC->dateopt) & (aform|eform|iform)) { |
| case aform: return DF_MDY; |
| case eform: return DF_DMY; |
| } |
| return DF_YMD; |
| } |
| |
| |
| /* usual THEOS match function for filenames */ |
| |
| /* match from Phase One Systems */ |
| |
| /* Returns non-zero if string matches the literal mask */ |
| int match(string, pattern, ignore_case __WDL) |
| ZCONST char *string; |
| ZCONST char *pattern; |
| int ignore_case; /* unused in this variant of match()! */ |
| __WDLDEF |
| { |
| int matched, k; |
| |
| if (!(*pattern)) |
| return 1; |
| for(;;) { |
| if ( (!(*string)) && (!(*pattern)) ) |
| return(1); |
| else if ( !(*pattern) ) |
| return(0); |
| else if (*pattern == '*') { |
| if (!*(pattern+1)) |
| return(1); |
| k=0; |
| do { |
| matched = match(string+k, pattern+1, ignore_case __WDL); |
| k++; |
| } while ( (!matched) && *(string+k)); |
| return(matched); |
| } else if (*pattern == '@') { |
| if (!((*string >= 'a' && *string <= 'z') |
| ||(*string >= 'A' && *string <= 'Z'))) |
| return(0); |
| } else if (*pattern == '#') { |
| if (*string < '0' || *string > '9') |
| return(0); |
| } else if (*pattern != '?') { |
| if (toupper(*string) != toupper(*pattern)) |
| return(0); |
| |
| } |
| string++; pattern++; |
| } |
| } /* end function match() */ |
| |
| |
| |
| /**********************/ |
| /* 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)) { |
| strcpy(matchname, wildspec); |
| have_dirname = FALSE; |
| wild_dir = NULL; |
| return matchname; |
| } |
| |
| /* break the wildspec into a directory part and a wildcard filename */ |
| if ((wildname = (ZCONST char *)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", |
| FnFilter1(file->d_name))); |
| if (match(file->d_name, wildname, 1 WISEP)) { /*1=ignore case*/ |
| 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) { |
| 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, 1 WISEP)) { /* 1 == ignore case */ |
| 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; |
| |
| 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 UNIX_: |
| case VMS_: |
| case ACORN_: |
| case ATARI_: |
| case ATHEOS_: |
| case BEOS_: |
| case QDOS_: |
| case TANDEM_: |
| case THEOS_: |
| G.pInfo->file_attr = (unsigned)(tmp >> 16); |
| if (G.pInfo->file_attr != 0 || !G.extra_field) { |
| return 0; |
| } else { |
| /* Some (non-Info-ZIP) implementations of Zip for Unix and |
| * VMS (and probably others ??) leave 0 in the upper 16-bit |
| * part of the external_file_attributes field. Instead, they |
| * store file permission attributes in some extra field. |
| * As a work-around, we search for the presence of one of |
| * these extra fields and fall back to the MSDOS compatible |
| * part of external_file_attributes if one of the known |
| * e.f. types has been detected. |
| * Later, we might implement extraction of the permission |
| * bits from the VMS extra field. But for now, the work-around |
| * should be sufficient to provide "readable" extracted files. |
| * (For ASI Unix e.f., an experimental remap from the e.f. |
| * mode value IS already provided!) |
| */ |
| ush ebID; |
| unsigned ebLen; |
| uch *ef = G.extra_field; |
| unsigned ef_len = G.crec.extra_field_length; |
| int r = FALSE; |
| |
| while (!r && ef_len >= EB_HEADSIZE) { |
| ebID = makeword(ef); |
| ebLen = (unsigned)makeword(ef+EB_LEN); |
| if (ebLen > (ef_len - EB_HEADSIZE)) |
| /* discoverd some e.f. inconsistency! */ |
| break; |
| switch (ebID) { |
| case EF_ASIUNIX: |
| if (ebLen >= (EB_ASI_MODE+2)) { |
| G.pInfo->file_attr = |
| (unsigned)makeword(ef+(EB_HEADSIZE+EB_ASI_MODE)); |
| /* force stop of loop: */ |
| ef_len = (ebLen + EB_HEADSIZE); |
| break; |
| } |
| /* else: fall through! */ |
| case EF_PKVMS: |
| /* "found nondecypherable e.f. with perm. attr" */ |
| r = TRUE; |
| default: |
| break; |
| } |
| ef_len -= (ebLen + EB_HEADSIZE); |
| ef += (ebLen + EB_HEADSIZE); |
| } |
| if (!r) |
| return 0; |
| } |
| /* fall through! */ |
| /* all remaining cases: expand MSDOS read-only bit into write perms */ |
| case FS_FAT_: |
| /* 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! |
| */ |
| 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": */ |
| G.pInfo->file_attr &= ~tmp; |
| |
| return 0; |
| |
| } /* end function mapattr() */ |
| |
| |
| |
| /* portabilibity functions to ensure access to port 2.0 and new ports */ |
| |
| int isv2_3() |
| { |
| return G.extra_field[0] == 'T' && G.extra_field[1] == 'h'; |
| } |
| |
| int isv2_3lib() |
| { |
| return isv2_3() && S_ISLIB((G.pInfo->file_attr >> 8) & 0xFF); |
| } |
| |
| int isv2_3dir() |
| { |
| return isv2_3() && S_ISDIR((G.pInfo->file_attr >> 8) & 0xFF); |
| } |
| |
| #ifdef OLD_THEOS_EXTRA |
| #define S_IFMT_ 0xf800 /* type of file */ |
| #define S_IFLIB_ 0x8000 /* library */ |
| #define S_IFDIR_ 0x4000 /* directory */ |
| |
| #define S_ISLIB_(a) (((a) & 0xff) == _FDB_STAT_LIBRARY) |
| #define S_ISDIR_(a) (((a) & 0xff) == _FDB_STAT_DIRECTORY) |
| |
| struct extra_block |
| { |
| ush signature; |
| ush size; |
| ush flags; |
| ulg filesize; |
| ush reclen; |
| ush keylen; |
| uch filegrow; |
| uch reserved[3]; |
| }; |
| |
| struct extra_block *v2_0extra() |
| { |
| return (struct extra_block *) G.extra_field; |
| } |
| |
| int isv2_0() |
| { |
| return ((struct extra_block *) G.extra_field)->signature == 0x4854; |
| } |
| |
| int isv2_0lib() |
| { |
| return isv2_0() && S_ISLIB_(G.pInfo->file_attr); |
| } |
| |
| int isv2_0dir() |
| { |
| return isv2_0() && S_ISDIR_(G.pInfo->file_attr); |
| } |
| |
| #define islib() (isv2_0lib() || isv2_3lib()) |
| #define isdir() (isv2_0dir() || isv2_3dir()) |
| #define chmodv2_0(a,b) ((int) _sc_168(a,'p',(size_t)(b)|0x80)) |
| #undef chmod |
| #define chmod(a,b) (isv2_0() && chmodv2_0(a,b))||(isv2_3() && chmodv2_3(a,b)) |
| #else |
| #define islib() isv2_3lib() |
| #define isdir() isv2_3dir() |
| #undef chmod |
| #define chmod(a,b) chmodv2_0(a,b) |
| #endif |
| |
| /************************/ |
| /* 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 in Unix */ |
| |
| /* 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; |
| |
| #ifdef ACORN_FTYPE_NFS |
| case ',': /* NFS filetype extension */ |
| lastcomma = pp; |
| *pp++ = ','; /* keep for now; may need to remove */ |
| break; /* later, if requested */ |
| #endif |
| |
| default: |
| if (isfnsym(workch) || workch == '.') |
| *pp++ = (char)workch; |
| else |
| *pp++ = '_'; |
| } /* 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 (islib() && G.filename[strlen(G.filename) - 1] == '/') |
| G.filename[strlen(G.filename) - 1] = '\0'; |
| |
| 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 */ |
| |
| #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 rootdisk[3]; /* user's "extract-to" disk */ |
| static char *buildpath; /* full path (so far) to extracted file */ |
| static char *end; /* pointer to end of buildpath ('\0') */ |
| |
| # define FN_MASK 7 |
| # define FUNCTION (flag & FN_MASK) |
| |
| |
| |
| /*--------------------------------------------------------------------------- |
| APPEND_DIR: append the path component to the path being built and check |
| for its existence. If doesn't exist and we are creating directories, do |
| so for this one; else signal success or error as appropriate. |
| ---------------------------------------------------------------------------*/ |
| |
| if (FUNCTION == APPEND_DIR) { |
| int too_long = FALSE; |
| #ifdef SHORT_NAMES |
| char *old_end = end; |
| #endif |
| |
| Trace((stderr, "appending dir segment [%s]\n", FnFilter1(pathcomp))); |
| while ((*end = *pathcomp++) != '\0') |
| ++end; |
| #ifdef SHORT_NAMES /* path components restricted to 14 chars, typically */ |
| if ((end-old_end) > FILENAME_MAX) /* GRR: proper constant? */ |
| *(end = old_end + FILENAME_MAX) = '\0'; |
| #endif |
| |
| /* GRR: could do better check, see if overrunning buffer as we go: |
| * check end-buildpath after each append, set warning variable if |
| * within 20 of FILNAMSIZ; then if var set, do careful check when |
| * appending. Clear variable when begin new path. */ |
| |
| if ((end-buildpath) > FILNAMSIZ-3) /* need '/', one-char name, '\0' */ |
| too_long = TRUE; /* check if extracting directory? */ |
| Trace((stderr, "appending disk segment [%s]\n", FnFilter1(rootdisk))); |
| strcat(buildpath, rootdisk); |
| 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 (islib()) { |
| ulg size; |
| #ifdef OLD_THEOS_EXTRA |
| if (isv2_0lib()) |
| size = v2_0extra()->filesize; |
| else |
| #endif |
| { |
| size = (ulg) G.extra_field[5] | |
| ((ulg) G.extra_field[6] << 8) | |
| ((ulg) G.extra_field[7] << 16) | |
| ((ulg) G.extra_field[8] << 24); |
| } |
| if (makelib(buildpath, size / 64)) { |
| Info(slide, 1, ((char*)slide, |
| "checkdir error: can't create library %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; |
| } |
| } else if (mkdir(buildpath) == -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) && isdir()) { |
| 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; |
| } else if (!S_ISLIB(G.statbuf.st_mode) && islib()) { |
| Info(slide, 1, ((char *)slide, |
| "checkdir error: %s exists but is not library\n\ |
| unable to process %s.\n", |
| FnFilter2(buildpath), FnFilter1(G.filename)); |
| free(buildpath); |
| /* path existed but wasn't lib */ |
| 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) { |
| #ifdef SHORT_NAMES |
| char *old_end = end; |
| #endif |
| |
| Trace((stderr, "appending filename [%s]\n", FnFilter1(pathcomp))); |
| while ((*end = *pathcomp++) != '\0') { |
| ++end; |
| #ifdef SHORT_NAMES /* truncate name at 14 characters, typically */ |
| if ((end-old_end) > FILENAME_MAX) /* GRR: proper constant? */ |
| *(end = old_end + FILENAME_MAX) = '\0'; |
| #endif |
| if ((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 */ |
| } |
| } |
| strcat(buildpath, rootdisk); |
| 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) { |
| 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 prepend_slash = 0; |
| char *tmproot, *p; |
| |
| if (*pathcomp == ':') { |
| preprend_slash = 1; |
| rootlen++; |
| } |
| if ((tmproot = (char *)malloc(rootlen+2)) == (char *)NULL) { |
| rootlen = 0; |
| return MPN_NOMEM; |
| } |
| if (prepend_slash) |
| strcpy(tmproot, "/"); |
| else |
| *tmproot = '\0'; |
| strcat(tmproot, pathcomp); |
| Trace((stderr, "initializing root path to [%s]\n", |
| FnFilter1(tmproot))); |
| if (tmproot[rootlen-1] == '/') { |
| tmproot[--rootlen] = '\0'; |
| } |
| 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) == -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; |
| } |
| } |
| /* split rootpath in path and disk */ |
| if ((p = strchr(tmproot, ':')) != NULL) { |
| strncpy(rootdisk, p, 2); |
| rootdisk[2] = '\0'; |
| *p = '\0'; |
| rootlen = p - tmproot; |
| } else |
| rootdisk[0] = '\0'; |
| if (rootpath[rootlen - 1] != '/') { |
| rootpath[rootlen++] = '/'; |
| rootpath[rootlen] = '\0'; |
| } |
| if ((rootpath = (char *)realloc(tmproot, rootlen+1)) == NULL) { |
| free(tmproot); |
| rootlen = 0; |
| return MPN_NOMEM; |
| } |
| Trace((stderr, "rootpath now = [%s], rootdisk now = [%s]\n", |
| FnFilter1(rootpath), FnFilter2(rootdisk))); |
| } |
| 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() */ |
| |
| |
| |
| |
| #ifdef MORE |
| |
| /**************************/ |
| /* Function screenlines() */ |
| /**************************/ |
| |
| int screenlines() |
| { |
| return getpl(27) + 1; |
| } |
| |
| #endif /* MORE */ |
| |
| |
| |
| |
| |
| #if (!defined(MTS) || defined(SET_DIR_ATTRIB)) |
| static void get_extattribs OF((__GPRO__ iztimes *pzt)); |
| |
| static int get_extattribs(__G__ pzt) |
| __GDEF |
| iztimes *pzt; |
| { |
| /*--------------------------------------------------------------------------- |
| Convert from MSDOS-format local time and date to Unix-format 32-bit GMT |
| time: adjust base year from 1980 to 1970, do usual conversions from |
| yy/mm/dd hh:mm:ss to elapsed seconds, and account for timezone and day- |
| light savings time differences. If we have a Unix extra field, however, |
| we're laughing: both mtime and atime are ours. |
| ---------------------------------------------------------------------------*/ |
| #ifdef USE_EF_UT_TIME |
| unsigned eb_izux_flg; |
| |
| eb_izux_flg = (G.extra_field ? ef_scan_for_izux(G.extra_field, |
| G.lrec.extra_field_length, 0, G.lrec.last_mod_dos_datetime, |
| #ifdef IZ_CHECK_TZ |
| (G.tz_is_valid ? pzt : NULL), |
| #else |
| pzt, |
| #endif |
| z_uidgid) : 0); |
| if (eb_izux_flg & EB_UT_FL_MTIME) { |
| TTrace((stderr, "\nget_extattribs: Unix e.f. modif. time = %ld\n", |
| pzt->mtime)); |
| } else { |
| pzt->mtime = dos_to_unix_time(G.lrec.last_mod_dos_datetime); |
| } |
| if (eb_izux_flg & EB_UT_FL_ATIME) { |
| TTrace((stderr, "get_extattribs: Unix e.f. access time = %ld\n", |
| pzt->atime)); |
| } else { |
| pzt->atime = pzt->mtime; |
| TTrace((stderr, "\nget_extattribs: modification/access times = %ld\n", |
| pzt->mtime)); |
| } |
| #else |
| pzt->mtime = dos_to_unix_time(G.lrec.last_mod_dos_datetime); |
| pzt->atime = pzt->mtime; |
| #endif |
| } |
| #endif /* !MTS || SET_DIR_ATTRIB */ |
| |
| |
| |
| #ifndef MTS |
| |
| /****************************/ |
| /* Function close_outfile() */ |
| /****************************/ |
| |
| void close_outfile(__G) /* GRR: change to return PK-style warning level */ |
| __GDEF |
| { |
| union { |
| iztimes t3; /* mtime, atime, ctime */ |
| ztimbuf t2; /* modtime, actime */ |
| } zt; |
| |
| /*--------------------------------------------------------------------------- |
| If symbolic links are supported, allocate a storage area, put the uncom- |
| pressed "data" in it, and create the link. Since we know it's a symbolic |
| link to start with, we shouldn't have to worry about overflowing unsigned |
| ints with unsigned longs. |
| ---------------------------------------------------------------------------*/ |
| |
| fclose(G.outfile); |
| |
| get_extattribs(__G__ &(zt.t3)); |
| |
| /* set the file's access and modification times */ |
| if (utime(G.filename, &(zt.t2))) { |
| if (uO.qflag) |
| Info(slide, 0x201, ((char *)slide, |
| "warning: cannot set times for %s\n", FnFilter1(G.filename))); |
| else |
| Info(slide, 0x201, ((char *)slide, |
| " (warning) cannot set times")); |
| } |
| |
| /*--------------------------------------------------------------------------- |
| Change the file permissions from default ones to those stored in the |
| zipfile. |
| ---------------------------------------------------------------------------*/ |
| |
| if (chmod(G.filename, 0xffff & G.pInfo->file_attr)) |
| perror("chmod (file attributes) error"); |
| |
| /*--------------------------------------------------------------------------- |
| Change the file structure and set native . |
| ---------------------------------------------------------------------------*/ |
| |
| if (isv2_3()) { |
| chorg(G.filename, G.extra_field[9]); |
| chlen(G.filename, |
| (ush) G.extra_field[10] | ((ush) G.extra_field[11] << 8), |
| (ush) G.extra_field[12] | ((ush) G.extra_field[13] << 8)); |
| chgrow(G.filename, G.extra_field[14]); |
| } |
| #if OLD_THEOS_EXTRA |
| else if (isv2_0()) { |
| chorg(G.filename, G.pInfo->file_attr & 0xFF); |
| chlen(G.filename, v2_0extra()->reclen, v2_0extra()->keylen); |
| chgrow(G.filename, v2_0extra()->filegrow); |
| } |
| #endif |
| } /* end function close_outfile() */ |
| |
| #endif /* !MTS */ |
| |
| |
| |
| |
| #ifdef SET_DIR_ATTRIB |
| /* messages of code for setting directory attributes */ |
| static ZCONST char Far DirlistUidGidFailed[] = |
| "warning: cannot set UID %d and/or GID %d for %s\n"; |
| static ZCONST char Far DirlistUtimeFailed[] = |
| "warning: cannot set modification, access times for %s\n"; |
| # ifndef NO_CHMOD |
| static ZCONST char Far DirlistChmodFailed[] = |
| "warning: cannot set permissions for %s\n"; |
| # endif |
| |
| |
| int defer_dir_attribs(__G__ pd) |
| __GDEF |
| direntry **pd; |
| { |
| uxdirattr *d_entry; |
| |
| d_entry = (uxdirattr *)malloc(sizeof(uxdirattr) + strlen(G.filename)); |
| *pd = (direntry *)d_entry; |
| if (d_entry == (uxdirattr *)NULL) { |
| return PK_MEM; |
| } |
| d_entry->fn = d_entry->fnbuf; |
| strcpy(d_entry->fn, G.filename); |
| |
| d_entry->perms = G.pInfo->file_attr; |
| |
| get_extattribs(__G__ &(d_entry->u.t3)); |
| return PK_OK; |
| } /* end function defer_dir_attribs() */ |
| |
| |
| int set_direc_attribs(__G__ d) |
| __GDEF |
| direntry *d; |
| { |
| int errval = PK_OK; |
| |
| if (utime(d->fn, &UxAtt(d)->u.t2)) { |
| Info(slide, 0x201, ((char *)slide, |
| LoadFarString(DirlistUtimeFailed), FnFilter1(d->fn))); |
| if (!errval) |
| errval = PK_WARN; |
| } |
| if (chmod(d->fn, 0xffff & UxAtt(d)->perms)) { |
| Info(slide, 0x201, ((char *)slide, |
| LoadFarString(DirlistChmodFailed), FnFilter1(d->fn))); |
| /* perror("chmod (file attributes) error"); */ |
| if (!errval) |
| errval = PK_WARN; |
| } |
| return errval; |
| } /* end function set_direc_attribs() */ |
| |
| #endif /* SET_DIR_ATTRIB */ |
| |
| |
| |
| |
| #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 |
| { |
| char buf1[40]; |
| extern char Far CompiledWith[]; |
| |
| sprintf(slide, CompiledWith, |
| "THEOS C ","5.28", "THEOS ", "4.x", " on ", __DATE__); |
| (*G.message)((zvoid *)&G, slide, (ulg)strlen((char *)slide), 0); |
| |
| } /* end function version() */ |
| |
| #endif /* !SFX */ |