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From cos...@apache.org
Subject cvs commit: jakarta-tomcat-connectors/jk/native2/common jk_requtil.c
Date Fri, 19 Apr 2002 02:36:48 GMT
costin      02/04/18 19:36:48

  Modified:    jk/native2/common jk_requtil.c
  Log:
  Moved code from the isapi connector.
  
  Common code in common/ dir :-)
  
  Revision  Changes    Path
  1.11      +256 -0    jakarta-tomcat-connectors/jk/native2/common/jk_requtil.c
  
  Index: jk_requtil.c
  ===================================================================
  RCS file: /home/cvs/jakarta-tomcat-connectors/jk/native2/common/jk_requtil.c,v
  retrieving revision 1.10
  retrieving revision 1.11
  diff -u -r1.10 -r1.11
  --- jk_requtil.c	20 Mar 2002 23:41:32 -0000	1.10
  +++ jk_requtil.c	19 Apr 2002 02:36:48 -0000	1.11
  @@ -730,6 +730,262 @@
       return JK_FALSE;	    
   }
   
  +/* -------------------- Request encoding -------------------- */
  +/* Moved from IIS adapter */
  +
  +#define T_OS_ESCAPE_PATH	(4)
  +
  +static const unsigned char test_char_table[256] = {
  +    0,14,14,14,14,14,14,14,14,14,15,14,14,14,14,14,14,14,14,14,
  +    14,14,14,14,14,14,14,14,14,14,14,14,14,0,7,6,1,6,1,1,
  +    9,9,1,0,8,0,0,10,0,0,0,0,0,0,0,0,0,0,8,15,
  +    15,8,15,15,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  +    0,0,0,0,0,0,0,0,0,0,0,15,15,15,7,0,7,0,0,0,
  +    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  +    0,0,0,15,7,15,1,14,6,6,6,6,6,6,6,6,6,6,6,6,
  +    6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
  +    6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
  +    6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
  +    6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
  +    6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
  +    6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6 
  +};
  +
  +#define TEST_CHAR(c, f)	(test_char_table[(unsigned)(c)] & (f))
  +
  +static const char c2x_table[] = "0123456789abcdef";
  +
  +static unsigned char *c2x(unsigned what, unsigned char *where)
  +{
  +    *where++ = '%';
  +    *where++ = c2x_table[what >> 4];
  +    *where++ = c2x_table[what & 0xf];
  +    return where;
  +}
  +
  +int jk_requtil_escapeUrl(const char *path, char *dest, int destsize)
  +{
  +    const unsigned char *s = (const unsigned char *)path;
  +    unsigned char *d = (unsigned char *)dest;
  +    unsigned char *e = dest + destsize - 1;
  +    unsigned char *ee = dest + destsize - 3;
  +    unsigned c;
  +
  +    while ((c = *s)) {
  +	if (TEST_CHAR(c, T_OS_ESCAPE_PATH)) {
  +            if (d >= ee )
  +                return JK_FALSE;
  +	    d = c2x(c, d);
  +	}
  +	else {
  +            if (d >= e )
  +                return JK_FALSE;
  +	    *d++ = c;
  +	}
  +	++s;
  +    }
  +    *d = '\0';
  +    return JK_TRUE;
  +}
  +
  +/* XXX Make it a default checking in uri worker map
  + */
  +int jk_requtil_uriIsWebInf(char *uri)
  +{
  +    char *c = uri;
  +    while(*c) {
  +        *c = tolower(*c);
  +        c++;
  +    }                    
  +    if(strstr(uri, "web-inf")) {
  +        return JK_TRUE;
  +    }
  +    if(strstr(uri, "meta-inf")) {
  +        return JK_TRUE;
  +    }
  +
  +    return JK_FALSE;
  +}
  +
  +static char x2c(const char *what)
  +{
  +    register char digit;
  +
  +    digit = ((what[0] >= 'A') ? ((what[0] & 0xdf) - 'A') + 10 : (what[0] - '0'));
  +    digit *= 16;
  +    digit += (what[1] >= 'A' ? ((what[1] & 0xdf) - 'A') + 10 : (what[1] - '0'));
  +    return (digit);
  +}
  +
  +int jk_requtil_unescapeUrl(char *url)
  +{
  +    register int x, y, badesc, badpath;
  +
  +    badesc = 0;
  +    badpath = 0;
  +    for (x = 0, y = 0; url[y]; ++x, ++y) {
  +        if (url[y] != '%')
  +            url[x] = url[y];
  +        else {
  +            if (!isxdigit(url[y + 1]) || !isxdigit(url[y + 2])) {
  +                badesc = 1;
  +                url[x] = '%';
  +            }
  +            else {
  +                url[x] = x2c(&url[y + 1]);
  +                y += 2;
  +                if (url[x] == '/' || url[x] == '\0')
  +                    badpath = 1;
  +            }
  +        }
  +    }
  +    url[x] = '\0';
  +    if (badesc)
  +        return -1;
  +    else if (badpath)
  +        return -2;
  +    else
  +        return 0;
  +}
  +
  +void jk_requtil_getParents(char *name)
  +{
  +    int l, w;
  +
  +    /* Four paseses, as per RFC 1808 */
  +    /* a) remove ./ path segments */
  +
  +    for (l = 0, w = 0; name[l] != '\0';) {
  +        if (name[l] == '.' && name[l + 1] == '/' && (l == 0 || name[l -
1] == '/'))
  +            l += 2;
  +        else
  +            name[w++] = name[l++];
  +    }
  +
  +    /* b) remove trailing . path, segment */
  +    if (w == 1 && name[0] == '.')
  +        w--;
  +    else if (w > 1 && name[w - 1] == '.' && name[w - 2] == '/')
  +        w--;
  +    name[w] = '\0';
  +
  +    /* c) remove all xx/../ segments. (including leading ../ and /../) */
  +    l = 0;
  +
  +    while (name[l] != '\0') {
  +        if (name[l] == '.' && name[l + 1] == '.' && name[l + 2] == '/'
&&
  +            (l == 0 || name[l - 1] == '/')) {
  +            register int m = l + 3, n;
  +
  +            l = l - 2;
  +            if (l >= 0) {
  +                while (l >= 0 && name[l] != '/')
  +                    l--;
  +                l++;
  +            }
  +            else
  +                l = 0;
  +            n = l;
  +            while ((name[n] = name[m]))
  +                (++n, ++m);
  +        }
  +        else
  +            ++l;
  +    }
  +
  +    /* d) remove trailing xx/.. segment. */
  +    if (l == 2 && name[0] == '.' && name[1] == '.')
  +        name[0] = '\0';
  +    else if (l > 2 && name[l - 1] == '.' && name[l - 2] == '.' &&
name[l - 3] == '/') {
  +        l = l - 4;
  +        if (l >= 0) {
  +            while (l >= 0 && name[l] != '/')
  +                l--;
  +            l++;
  +        }
  +        else
  +            l = 0;
  +        name[l] = '\0';
  +    }
  +}
  +
  +
  +
  +
  +static const char begin_cert [] = 
  +	"-----BEGIN CERTIFICATE-----\r\n";
  +
  +static const char end_cert [] = 
  +	"-----END CERTIFICATE-----\r\n";
  +
  +static const char basis_64[] =
  +    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  +
  +int jk_requtil_base64CertLen(int len)
  +{
  +    int n = ((len + 2) / 3 * 4) + 1; // base64 encoded size
  +    n += (n + 63 / 64) * 2; // add CRLF's
  +    n += sizeof(begin_cert) + sizeof(end_cert) - 2;  // add enclosing strings.
  +    return n;
  +}
  +
  +int jk_requtil_base64EncodeCert(char *encoded,
  +                                const unsigned char *string, int len)
  +{
  +    int i,c;
  +    char *p;
  +    const char *t;
  +    
  +    p = encoded;
  +
  +    t = begin_cert;
  +    while (*t != '\0')
  +        *p++ = *t++;
  +    
  +    c = 0;
  +    for (i = 0; i < len - 2; i += 3) {
  +        *p++ = basis_64[(string[i] >> 2) & 0x3F];
  +        *p++ = basis_64[((string[i] & 0x3) << 4) |
  +                        ((int) (string[i + 1] & 0xF0) >> 4)];
  +        *p++ = basis_64[((string[i + 1] & 0xF) << 2) |
  +                        ((int) (string[i + 2] & 0xC0) >> 6)];
  +        *p++ = basis_64[string[i + 2] & 0x3F];
  +        c += 4;
  +        if ( c >= 64 ) {
  +            *p++ = '\r';
  +            *p++ = '\n';
  +            c = 0;
  +		}
  +    }
  +    if (i < len) {
  +        *p++ = basis_64[(string[i] >> 2) & 0x3F];
  +        if (i == (len - 1)) {
  +            *p++ = basis_64[((string[i] & 0x3) << 4)];
  +            *p++ = '=';
  +        }
  +        else {
  +            *p++ = basis_64[((string[i] & 0x3) << 4) |
  +                            ((int) (string[i + 1] & 0xF0) >> 4)];
  +            *p++ = basis_64[((string[i + 1] & 0xF) << 2)];
  +        }
  +        *p++ = '=';
  +        c++;
  +    }
  +    if ( c != 0 ) {
  +        *p++ = '\r';
  +        *p++ = '\n';
  +    }
  +
  +	t = end_cert;
  +	while (*t != '\0')
  +		*p++ = *t++;
  +
  +    *p++ = '\0';
  +    return p - encoded;
  +}
  +
  +
  +
   
   /** Initialize the request 
    * 
  
  
  

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