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- /*
-
- Copyright (C) 1990-1996 Mark Adler, Richard B. Wales, Jean-loup Gailly,
- Kai Uwe Rommel, Onno van der Linden and Igor Mandrichenko.
- Permission is granted to any individual or institution to use, copy, or
- redistribute this software so long as all of the original files are included,
- that it is not sold for profit, and that this copyright notice is retained.
-
- */
-
- #include "zip.h"
-
- #include <time.h>
- #if defined(__IBMC__) || defined(MSC)
- #include <direct.h>
- #endif
-
- #define MATCH shmatch
-
- /* Extra malloc() space in names for cutpath() */
- #define PAD 0
- #define PATH_END '/'
-
-
- #include "os2zip.h"
-
- /* Library functions not in (most) header files */
-
- #ifndef UTIL /* the companion #endif is a bit of ways down ... */
-
- extern char *label;
- local ulg label_time = 0;
- local ulg label_mode = 0;
- local time_t label_utim = 0;
-
- /* Local functions */
- local char *readd OF((DIR *));
-
-
- local char *readd(d)
- DIR *d; /* directory stream to read from */
- /* Return a pointer to the next name in the directory stream d, or NULL if
- no more entries or an error occurs. */
- {
- struct dirent *e;
-
- e = readdir(d);
- return e == NULL ? (char *) NULL : e->d_name;
- }
-
- int wild(w)
- char *w; /* path/pattern to match */
- /* If not in exclude mode, expand the pattern based on the contents of the
- file system. Return an error code in the ZE_ class. */
- {
- DIR *d; /* stream for reading directory */
- char *e; /* name found in directory */
- int r; /* temporary variable */
- char *n; /* constructed name from directory */
- int f; /* true if there was a match */
- char *a; /* alloc'ed space for name */
- char *p; /* path */
- char *q; /* name */
- char v[5]; /* space for device current directory */
-
- if (volume_label == 1) {
- volume_label = 2;
- label = getVolumeLabel((w != NULL && w[1] == ':') ? to_up(w[0]) : '\0',
- &label_time, &label_mode, &label_utim);
- if (label != NULL) {
- newname(label, 0);
- }
- if (w == NULL || (w[1] == ':' && w[2] == '\0')) return ZE_OK;
- /* "zip -$ foo a:" can be used to force drive name */
- }
-
- if (w == NULL)
- return ZE_OK;
-
- /* special handling of stdin request */
- if (strcmp(w, "-") == 0) /* if compressing stdin */
- return newname(w, 0);
-
- /* Allocate and copy pattern */
- if ((p = a = malloc(strlen(w) + 1)) == NULL)
- return ZE_MEM;
- strcpy(p, w);
-
- /* catch special case: treat "*.*" as "*" for DOS-impaired people */
- r = strlen(p);
- if (strcmp(p + r - 3, "*.*") == 0)
- p[r - 2] = '\0';
-
- /* Normalize path delimiter as '/'. */
- for (q = p; *q; q++) /* use / consistently */
- if (*q == '\\')
- *q = '/';
-
- /* Only name can have special matching characters */
- if ((q = isshexp(p)) != NULL &&
- (strrchr(q, '/') != NULL || strrchr(q, ':') != NULL))
- {
- free((zvoid *)a);
- return ZE_PARMS;
- }
-
- /* Separate path and name into p and q */
- if ((q = strrchr(p, '/')) != NULL && (q == p || q[-1] != ':'))
- {
- *q++ = '\0'; /* path/name -> path, name */
- if (*p == '\0') /* path is just / */
- p = strcpy(v, "/.");
- }
- else if ((q = strrchr(p, ':')) != NULL)
- { /* has device and no or root path */
- *q++ = '\0';
- p = strcat(strcpy(v, p), ":"); /* copy device as path */
- if (*q == '/') /* -> device:/., name */
- {
- strcat(p, "/");
- q++;
- }
- strcat(p, ".");
- }
- else if (recurse && (strcmp(p, ".") == 0 || strcmp(p, "..") == 0))
- { /* current or parent directory */
- /* I can't understand Mark's code so I am adding a hack here to get
- * "zip -r foo ." to work. Allow the dubious "zip -r foo .." but
- * reject "zip -rm foo ..".
- */
- if (dispose && strcmp(p, "..") == 0)
- ziperr(ZE_PARMS, "cannot remove parent directory");
- q = "*";
- }
- else /* no path or device */
- {
- q = p;
- p = strcpy(v, ".");
- }
- if (recurse && *q == '\0') {
- q = "*";
- }
- /* Search that level for matching names */
- if ((d = opendir(p)) == NULL)
- {
- free((zvoid *)a);
- return ZE_MISS;
- }
- if ((r = strlen(p)) > 1 &&
- (strcmp(p + r - 2, ":.") == 0 || strcmp(p + r - 2, "/.") == 0))
- *(p + r - 1) = '\0';
- f = 0;
- while ((e = readd(d)) != NULL) {
- if (strcmp(e, ".") && strcmp(e, "..") && MATCH(q, e))
- {
- f = 1;
- if (strcmp(p, ".") == 0) { /* path is . */
- r = procname(e); /* name is name */
- if (r) {
- f = 0;
- break;
- }
- } else
- {
- if ((n = malloc(strlen(p) + strlen(e) + 2)) == NULL)
- {
- free((zvoid *)a);
- closedir(d);
- return ZE_MEM;
- }
- n = strcpy(n, p);
- if (n[r = strlen(n) - 1] != '/' && n[r] != ':')
- strcat(n, "/");
- r = procname(strcat(n, e)); /* name is path/name */
- free((zvoid *)n);
- if (r) {
- f = 0;
- break;
- }
- }
- }
- }
- closedir(d);
-
- /* Done */
- free((zvoid *)a);
- return f ? ZE_OK : ZE_MISS;
- }
-
- int procname(n)
- char *n; /* name to process */
- /* Process a name or sh expression to operate on (or exclude). Return
- an error code in the ZE_ class. */
- {
- char *a; /* path and name for recursion */
- DIR *d; /* directory stream from opendir() */
- char *e; /* pointer to name from readd() */
- int m; /* matched flag */
- char *p; /* path for recursion */
- struct stat s; /* result of stat() */
- struct zlist far *z; /* steps through zfiles list */
-
- if (n == NULL) /* volume_label request in freshen|delete mode ?? */
- return ZE_OK;
-
- if (strcmp(n, "-") == 0) /* if compressing stdin */
- return newname(n, 0);
- else if (LSSTAT(n, &s)
- #if defined(__TURBOC__) || defined(__WATCOMC__)
- /* For these 2 compilers, stat() succeeds on wild card names! */
- || isshexp(n)
- #endif
- )
- {
- /* Not a file or directory--search for shell expression in zip file */
- p = ex2in(n, 0, (int *)NULL); /* shouldn't affect matching chars */
- m = 1;
- for (z = zfiles; z != NULL; z = z->nxt) {
- if (MATCH(p, z->zname))
- {
- z->mark = pcount ? filter(z->zname) : 1;
- if (verbose)
- fprintf(mesg, "zip diagnostic: %scluding %s\n",
- z->mark ? "in" : "ex", z->name);
- m = 0;
- }
- }
- free((zvoid *)p);
- return m ? ZE_MISS : ZE_OK;
- }
-
- /* Live name--use if file, recurse if directory */
- for (p = n; *p; p++) /* use / consistently */
- if (*p == '\\')
- *p = '/';
- if ((s.st_mode & S_IFDIR) == 0)
- {
- /* add or remove name of file */
- if ((m = newname(n, 0)) != ZE_OK)
- return m;
- } else {
- /* Add trailing / to the directory name */
- if ((p = malloc(strlen(n)+2)) == NULL)
- return ZE_MEM;
- if (strcmp(n, ".") == 0 || strcmp(n, "/.") == 0) {
- *p = '\0'; /* avoid "./" prefix and do not create zip entry */
- } else {
- strcpy(p, n);
- a = p + strlen(p);
- if (a[-1] != '/')
- strcpy(a, "/");
- if (dirnames && (m = newname(p, 1)) != ZE_OK) {
- free((zvoid *)p);
- return m;
- }
- }
- /* recurse into directory */
- if (recurse && (d = opendir(n)) != NULL)
- {
- while ((e = readd(d)) != NULL) {
- if (strcmp(e, ".") && strcmp(e, ".."))
- {
- if ((a = malloc(strlen(p) + strlen(e) + 1)) == NULL)
- {
- closedir(d);
- free((zvoid *)p);
- return ZE_MEM;
- }
- strcat(strcpy(a, p), e);
- if ((m = procname(a)) != ZE_OK) /* recurse on name */
- {
- if (m == ZE_MISS)
- zipwarn("name not matched: ", a);
- else
- ziperr(m, a);
- }
- free((zvoid *)a);
- }
- }
- closedir(d);
- }
- free((zvoid *)p);
- } /* (s.st_mode & S_IFDIR) == 0) */
- return ZE_OK;
- }
-
- char *ex2in(x, isdir, pdosflag)
- char *x; /* external file name */
- int isdir; /* input: x is a directory */
- int *pdosflag; /* output: force MSDOS file attributes? */
- /* Convert the external file name to a zip file name, returning the malloc'ed
- string or NULL if not enough memory. */
- {
- char *n; /* internal file name (malloc'ed) */
- char *t; /* shortened name */
- int dosflag;
-
- dosflag = dosify || IsFileSystemFAT(x) || (x == label);
- if (!dosify && use_longname_ea && (t = GetLongPathEA(x)) != NULL)
- {
- x = t;
- dosflag = 0;
- }
-
- /* Find starting point in name before doing malloc */
- t = *x && *(x + 1) == ':' ? x + 2 : x;
- while (*t == '/' || *t == '\\')
- t++;
-
- /* Make changes, if any, to the copied name (leave original intact) */
- for (n = t; *n; n++)
- if (*n == '\\')
- *n = '/';
-
- if (!pathput)
- t = last(t, PATH_END);
-
- /* Malloc space for internal name and copy it */
- if ((n = malloc(strlen(t) + 1)) == NULL)
- return NULL;
- strcpy(n, t);
-
- if (dosify)
- msname(n);
-
- /* Returned malloc'ed name */
- if (pdosflag)
- *pdosflag = dosflag;
- return n;
- }
-
-
- char *in2ex(n)
- char *n; /* internal file name */
- /* Convert the zip file name to an external file name, returning the malloc'ed
- string or NULL if not enough memory. */
- {
- char *x; /* external file name */
-
- if ((x = malloc(strlen(n) + 1 + PAD)) == NULL)
- return NULL;
- strcpy(x, n);
-
- if ( !IsFileNameValid(x) )
- ChangeNameForFAT(x);
- return x;
- }
-
-
- void stamp(f, d)
- char *f; /* name of file to change */
- ulg d; /* dos-style time to change it to */
- /* Set last updated and accessed time of file f to the DOS time d. */
- {
- SetFileTime(f, d);
- }
-
- ulg filetime(f, a, n, t)
- char *f; /* name of file to get info on */
- ulg *a; /* return value: file attributes */
- long *n; /* return value: file size */
- ztimbuf *t; /* return value: access and modification time */
- /* If file *f does not exist, return 0. Else, return the file's last
- modified date and time as an MSDOS date and time. The date and
- time is returned in a long with the date most significant to allow
- unsigned integer comparison of absolute times. Also, if a is not
- a NULL pointer, store the file attributes there, with the high two
- bytes being the Unix attributes, and the low byte being a mapping
- of that to DOS attributes. If n is not NULL, store the file size
- there. If t is not NULL, the file's access and modification time
- are stored there as UNIX time_t values.
- If f is "-", use standard input as the file. If f is a device, return
- a file size of -1 */
- {
- struct stat s; /* results of stat() */
- char name[FNMAX];
- int len = strlen(f), isstdin = !strcmp(f, "-");
-
- if (f == label) {
- if (a != NULL)
- *a = label_mode;
- if (n != NULL)
- *n = -2L; /* convention for a label name */
- if (t != NULL)
- t->actime = t->modtime = label_utim;
- return label_time;
- }
- strcpy(name, f);
- if (name[len - 1] == '/')
- name[len - 1] = '\0';
- /* not all systems allow stat'ing a file with / appended */
-
- if (isstdin) {
- if (fstat(fileno(stdin), &s) != 0)
- error("fstat(stdin)");
- } else if (LSSTAT(name, &s) != 0)
- /* Accept about any file kind including directories
- * (stored with trailing / with -r option)
- */
- return 0;
-
- if (a != NULL) {
- *a = ((ulg)s.st_mode << 16) | (isstdin ? 0L : (ulg)GetFileMode(name));
- }
- if (n != NULL)
- *n = (s.st_mode & S_IFMT) == S_IFREG ? s.st_size : -1L;
- if (t != NULL) {
- t->actime = s.st_atime;
- t->modtime = s.st_mtime;
- }
-
- return GetFileTime(name);
- }
-
- int deletedir(d)
- char *d; /* directory to delete */
- /* Delete the directory *d if it is empty, do nothing otherwise.
- Return the result of rmdir(), delete(), or system().
- */
- {
- return rmdir(d);
- }
-
- /******************************/
- /* Function version_local() */
- /******************************/
-
- void version_local()
- {
- static const char CompiledWith[] = "Compiled with %s%s for %s%s%s%s.\n\n";
- #if defined(__IBMC__) || defined(__WATCOMC__) || defined(_MSC_VER)
- char buf[80];
- #endif
-
- printf(CompiledWith,
-
- #ifdef __GNUC__
- # ifdef __EMX__ /* __EMX__ is defined as "1" only (sigh) */
- "emx+gcc ", __VERSION__,
- # else
- "gcc/2 ", __VERSION__,
- # endif
- #else
- #ifdef __IBMC__
- "IBM ",
- # if (__IBMC__ < 200)
- (sprintf(buf, "C Set/2 %d.%02d", __IBMC__/100,__IBMC__%100), buf),
- # elif (__IBMC__ < 300)
- (sprintf(buf, "C Set++ %d.%02d", __IBMC__/100,__IBMC__%100), buf),
- # else
- (sprintf(buf, "Visual Age C++ %d.%02d", __IBMC__/100,__IBMC__%100), buf),
- # endif
- #else
- #ifdef __WATCOMC__
- "Watcom C", (sprintf(buf, " (__WATCOMC__ = %d)", __WATCOMC__), buf),
- #else
- #ifdef __TURBOC__
- # ifdef __BORLANDC__
- "Borland C++",
- # if (__BORLANDC__ < 0x0200)
- " 1.0",
- # else
- # if (__BORLANDC__ == 0x0200)
- " 2.0",
- # else
- # if (__BORLANDC__ == 0x0400)
- " 3.0",
- # else
- # if (__BORLANDC__ == 0x0410)
- " 3.1",
- # else
- # if (__BORLANDC__ == 0x0452)
- " 4.0",
- # else /* these two are guesses based on DOS version */
- # if (__BORLANDC__ == 0x0460)
- " 4.5",
- # else
- " later than 4.5",
- # endif
- # endif
- # endif
- # endif
- # endif
- # endif
- # else
- "Turbo C",
- # if (__TURBOC__ >= 661)
- "++ 1.0 or later",
- # else
- # if (__TURBOC__ == 661)
- " 3.0?",
- # else
- # if (__TURBOC__ == 397)
- " 2.0",
- # else
- " 1.0 or 1.5?",
- # endif
- # endif
- # endif
- # endif
- #else
- #ifdef MSC
- "Microsoft C ",
- # ifdef _MSC_VER
- (sprintf(buf, "%d.%02d", _MSC_VER/100, _MSC_VER%100), buf),
- # else
- "5.1 or earlier",
- # endif
- #else
- "unknown compiler", "",
- #endif /* MSC */
- #endif /* __TURBOC__ */
- #endif /* __WATCOMC__ */
- #endif /* __IBMC__ */
- #endif /* __GNUC__ */
-
- "OS/2",
-
- /* GRR: does IBM C/2 identify itself as IBM rather than Microsoft? */
- #if (defined(MSC) || (defined(__WATCOMC__) && !defined(__386__)))
- # if defined(M_I86HM) || defined(__HUGE__)
- " (16-bit, huge)",
- # else
- # if defined(M_I86LM) || defined(__LARGE__)
- " (16-bit, large)",
- # else
- # if defined(M_I86MM) || defined(__MEDIUM__)
- " (16-bit, medium)",
- # else
- # if defined(M_I86CM) || defined(__COMPACT__)
- " (16-bit, compact)",
- # else
- # if defined(M_I86SM) || defined(__SMALL__)
- " (16-bit, small)",
- # else
- # if defined(M_I86TM) || defined(__TINY__)
- " (16-bit, tiny)",
- # else
- " (16-bit)",
- # endif
- # endif
- # endif
- # endif
- # endif
- # endif
- #else
- " 2.x (32-bit)",
- #endif
-
- #ifdef __DATE__
- " on ", __DATE__
- #else
- "", ""
- #endif
- );
-
- /* temporary debugging code for Borland compilers only */
- #ifdef __TURBOC__
- printf("\t(__TURBOC__ = 0x%04x = %d)\n", __TURBOC__, __TURBOC__);
- #ifdef __BORLANDC__
- printf("\t(__BORLANDC__ = 0x%04x)\n",__BORLANDC__);
- #else
- printf("\tdebug(__BORLANDC__ not defined)\n");
- #endif
- #ifdef __TCPLUSPLUS__
- printf("\t(__TCPLUSPLUS__ = 0x%04x)\n", __TCPLUSPLUS__);
- #else
- printf("\tdebug(__TCPLUSPLUS__ not defined)\n");
- #endif
- #ifdef __BCPLUSPLUS__
- printf("\t(__BCPLUSPLUS__ = 0x%04x)\n\n", __BCPLUSPLUS__);
- #else
- printf("\tdebug(__BCPLUSPLUS__ not defined)\n\n");
- #endif
- #endif /* __TURBOC__ */
-
- } /* end function version_local() */
-
-
- #if defined MY_ZCALLOC /* Special zcalloc function for MEMORY16 (MSDOS/OS2) */
-
- #ifdef MSC /* Microsoft C */
-
- zvoid far *zcalloc (unsigned items, unsigned size)
- {
- return (zvoid far *)halloc((long)items, size);
- }
-
- zvoid zcfree (zvoid far *ptr)
- {
- hfree((void huge *)ptr);
- }
-
- #endif /* MSC */
-
- #endif /* MY_ZCALLOC */
-
- #endif /* !UTIL */
-