2002-08-07 00:39:45 +08:00
|
|
|
|
2004-09-28 16:34:51 +08:00
|
|
|
/*
|
|
|
|
* Copyright (C) 2002-2004 Igor Sysoev
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
2002-08-07 00:39:45 +08:00
|
|
|
#include <ngx_config.h>
|
2003-03-21 00:09:44 +08:00
|
|
|
#include <ngx_core.h>
|
2002-08-07 00:39:45 +08:00
|
|
|
|
|
|
|
|
2004-03-16 15:10:12 +08:00
|
|
|
u_char *ngx_cpystrn(u_char *dst, u_char *src, size_t n)
|
2002-08-07 00:39:45 +08:00
|
|
|
{
|
2003-05-07 01:03:16 +08:00
|
|
|
if (n == 0) {
|
2002-08-07 00:39:45 +08:00
|
|
|
return dst;
|
2003-05-07 01:03:16 +08:00
|
|
|
}
|
2002-08-07 00:39:45 +08:00
|
|
|
|
|
|
|
for (/* void */; --n; dst++, src++) {
|
|
|
|
*dst = *src;
|
|
|
|
|
2003-05-07 01:03:16 +08:00
|
|
|
if (*dst == '\0') {
|
2002-08-07 00:39:45 +08:00
|
|
|
return dst;
|
2003-05-07 01:03:16 +08:00
|
|
|
}
|
2002-08-07 00:39:45 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
*dst = '\0';
|
|
|
|
|
|
|
|
return dst;
|
|
|
|
}
|
2003-03-21 00:09:44 +08:00
|
|
|
|
|
|
|
|
2004-03-16 15:10:12 +08:00
|
|
|
ngx_int_t ngx_rstrncmp(u_char *s1, u_char *s2, size_t n)
|
2003-05-07 01:03:16 +08:00
|
|
|
{
|
|
|
|
if (n == 0) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
n--;
|
|
|
|
|
|
|
|
for ( ;; ) {
|
|
|
|
if (s1[n] != s2[n]) {
|
2004-03-16 15:10:12 +08:00
|
|
|
return s1[n] - s2[n];
|
2003-05-07 01:03:16 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
if (n == 0) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
n--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2004-03-16 15:10:12 +08:00
|
|
|
ngx_int_t ngx_atoi(u_char *line, size_t n)
|
2003-03-21 00:09:44 +08:00
|
|
|
{
|
2004-03-16 15:10:12 +08:00
|
|
|
ngx_int_t value;
|
2003-03-21 00:09:44 +08:00
|
|
|
|
2003-05-07 01:03:16 +08:00
|
|
|
if (n == 0) {
|
|
|
|
return NGX_ERROR;
|
|
|
|
}
|
|
|
|
|
2003-03-21 00:09:44 +08:00
|
|
|
for (value = 0; n--; line++) {
|
2003-04-28 23:06:39 +08:00
|
|
|
if (*line < '0' || *line > '9') {
|
|
|
|
return NGX_ERROR;
|
|
|
|
}
|
2003-03-21 00:09:44 +08:00
|
|
|
|
2003-04-28 23:06:39 +08:00
|
|
|
value = value * 10 + (*line - '0');
|
2003-03-21 00:09:44 +08:00
|
|
|
}
|
|
|
|
|
2003-04-28 23:06:39 +08:00
|
|
|
if (value < 0) {
|
|
|
|
return NGX_ERROR;
|
2004-05-21 01:33:52 +08:00
|
|
|
|
|
|
|
} else {
|
|
|
|
return value;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
ngx_int_t ngx_hextoi(u_char *line, size_t n)
|
|
|
|
{
|
|
|
|
u_char ch;
|
|
|
|
ngx_int_t value;
|
|
|
|
|
|
|
|
if (n == 0) {
|
|
|
|
return NGX_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (value = 0; n--; line++) {
|
|
|
|
ch = *line;
|
|
|
|
|
|
|
|
if (ch >= '0' && ch <= '9') {
|
|
|
|
value = value * 16 + (ch - '0');
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ch >= 'A' && ch <= 'F') {
|
2004-05-22 00:12:13 +08:00
|
|
|
value = value * 16 + (ch - 'A' + 10);
|
2004-05-21 01:33:52 +08:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ch >= 'a' && ch <= 'f') {
|
2004-05-22 00:12:13 +08:00
|
|
|
value = value * 16 + (ch - 'a' + 10);
|
2004-05-21 01:33:52 +08:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NGX_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (value < 0) {
|
|
|
|
return NGX_ERROR;
|
|
|
|
|
2003-04-28 23:06:39 +08:00
|
|
|
} else {
|
|
|
|
return value;
|
|
|
|
}
|
2003-03-21 00:09:44 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2004-03-16 15:10:12 +08:00
|
|
|
void ngx_md5_text(u_char *text, u_char *md5)
|
2003-11-05 06:12:39 +08:00
|
|
|
{
|
2004-03-16 15:10:12 +08:00
|
|
|
int i;
|
|
|
|
static u_char hex[] = "0123456789abcdef";
|
2003-11-06 01:03:41 +08:00
|
|
|
|
2003-11-10 04:03:38 +08:00
|
|
|
for (i = 0; i < 16; i++) {
|
|
|
|
*text++ = hex[md5[i] >> 4];
|
|
|
|
*text++ = hex[md5[i] & 0xf];
|
|
|
|
}
|
|
|
|
|
|
|
|
*text = '\0';
|
2003-11-05 06:12:39 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2004-08-29 11:55:41 +08:00
|
|
|
void ngx_encode_base64(ngx_str_t *src, ngx_str_t *dst)
|
2004-07-31 01:05:14 +08:00
|
|
|
{
|
|
|
|
u_char *d, *s;
|
2004-08-27 23:40:59 +08:00
|
|
|
size_t len;
|
2004-07-31 01:05:14 +08:00
|
|
|
static u_char basis64[] =
|
|
|
|
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
|
|
|
|
|
2004-08-27 23:40:59 +08:00
|
|
|
len = src->len;
|
2004-08-29 11:55:41 +08:00
|
|
|
s = src->data;
|
|
|
|
d = dst->data;
|
2004-07-31 01:05:14 +08:00
|
|
|
|
2004-08-27 23:40:59 +08:00
|
|
|
while (len > 2) {
|
|
|
|
*d++ = basis64[(s[0] >> 2) & 0x3f];
|
|
|
|
*d++ = basis64[((s[0] & 3) << 4) | (s[1] >> 4)];
|
|
|
|
*d++ = basis64[((s[1] & 0x0f) << 2) | (s[2] >> 6)];
|
|
|
|
*d++ = basis64[s[2] & 0x3f];
|
|
|
|
|
|
|
|
s += 3;
|
|
|
|
len -= 3;
|
2004-07-31 01:05:14 +08:00
|
|
|
}
|
|
|
|
|
2004-08-27 23:40:59 +08:00
|
|
|
if (len) {
|
|
|
|
*d++ = basis64[(s[0] >> 2) & 0x3f];
|
2004-07-31 01:05:14 +08:00
|
|
|
|
2004-08-27 23:40:59 +08:00
|
|
|
if (len == 1) {
|
|
|
|
*d++ = basis64[(s[0] & 3) << 4];
|
2004-07-31 01:05:14 +08:00
|
|
|
*d++ = '=';
|
|
|
|
|
|
|
|
} else {
|
2004-08-27 23:40:59 +08:00
|
|
|
*d++ = basis64[((s[0] & 3) << 4) | (s[1] >> 4)];
|
|
|
|
*d++ = basis64[(s[1] & 0x0f) << 2];
|
2004-07-31 01:05:14 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
*d++ = '=';
|
|
|
|
}
|
|
|
|
|
|
|
|
dst->len = d - dst->data;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2004-08-29 11:55:41 +08:00
|
|
|
ngx_int_t ngx_decode_base64(ngx_str_t *src, ngx_str_t *dst)
|
2004-07-31 01:05:14 +08:00
|
|
|
{
|
2004-08-27 23:40:59 +08:00
|
|
|
size_t len;
|
|
|
|
u_char *d, *s;
|
|
|
|
static u_char basis64[] =
|
|
|
|
{ 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
|
77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
|
77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 62, 77, 77, 77, 63,
|
|
|
|
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 77, 77, 77, 77, 77, 77,
|
|
|
|
77, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
|
|
|
|
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 77, 77, 77, 77, 77,
|
|
|
|
77, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
|
|
|
|
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 77, 77, 77, 77, 77,
|
|
|
|
|
|
|
|
77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
|
77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
|
77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
|
77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
|
77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
|
77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
|
77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
|
|
|
|
77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77 };
|
|
|
|
|
|
|
|
for (len = 0; len < src->len; len++) {
|
|
|
|
if (src->data[len] == '=') {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (basis64[src->data[len]] == 77) {
|
|
|
|
return NGX_ERROR;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (len % 4 == 1) {
|
|
|
|
return NGX_ERROR;
|
|
|
|
}
|
2004-07-31 01:05:14 +08:00
|
|
|
|
2004-08-27 23:40:59 +08:00
|
|
|
s = src->data;
|
2004-08-29 11:55:41 +08:00
|
|
|
d = dst->data;
|
2004-07-31 01:05:14 +08:00
|
|
|
|
2004-08-27 23:40:59 +08:00
|
|
|
while (len > 3) {
|
2004-08-29 11:55:41 +08:00
|
|
|
*d++ = (u_char) (basis64[s[0]] << 2 | basis64[s[1]] >> 4);
|
|
|
|
*d++ = (u_char) (basis64[s[1]] << 4 | basis64[s[2]] >> 2);
|
|
|
|
*d++ = (u_char) (basis64[s[2]] << 6 | basis64[s[3]]);
|
2004-07-31 01:05:14 +08:00
|
|
|
|
2004-08-27 23:40:59 +08:00
|
|
|
s += 4;
|
|
|
|
len -= 4;
|
|
|
|
}
|
2004-07-31 01:05:14 +08:00
|
|
|
|
2004-08-27 23:40:59 +08:00
|
|
|
if (len > 1) {
|
2004-08-29 11:55:41 +08:00
|
|
|
*d++ = (u_char) (basis64[s[0]] << 2 | basis64[s[1]] >> 4);
|
2004-08-27 23:40:59 +08:00
|
|
|
}
|
2004-07-31 01:05:14 +08:00
|
|
|
|
2004-08-27 23:40:59 +08:00
|
|
|
if (len > 2) {
|
2004-08-29 11:55:41 +08:00
|
|
|
*d++ = (u_char) (basis64[s[1]] << 4 | basis64[s[2]] >> 2);
|
2004-07-31 01:05:14 +08:00
|
|
|
}
|
|
|
|
|
2004-08-27 23:40:59 +08:00
|
|
|
dst->len = d - dst->data;
|
|
|
|
|
2004-07-31 01:05:14 +08:00
|
|
|
return NGX_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2003-03-21 00:09:44 +08:00
|
|
|
#if 0
|
|
|
|
char *ngx_psprintf(ngx_pool_t *p, const char *fmt, ...)
|
|
|
|
{
|
|
|
|
va_list args;
|
|
|
|
|
|
|
|
va_start(args, fmt);
|
|
|
|
|
|
|
|
while (*fmt) {
|
|
|
|
switch(*fmt++) {
|
|
|
|
case '%':
|
|
|
|
switch(*fmt++) {
|
|
|
|
case 's':
|
|
|
|
s = va_arg(args, char *);
|
|
|
|
n += ngx_strlen(s);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
n++;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
n++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
str = ngx_palloc(p, n);
|
|
|
|
|
|
|
|
va_start(args, fmt);
|
|
|
|
|
|
|
|
for (i = 0; i < n; i++) {
|
|
|
|
switch(*fmt++) {
|
|
|
|
case '%':
|
|
|
|
switch(*fmt++) {
|
|
|
|
case 's':
|
|
|
|
s = va_arg(args, char *);
|
|
|
|
while (str[i++] = s);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
n++;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
str[i] = *fmt;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
len += ngx_vsnprintf(errstr + len, sizeof(errstr) - len - 1, fmt, args);
|
|
|
|
|
|
|
|
va_end(args);
|
|
|
|
|
|
|
|
}
|
|
|
|
#endif
|