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add json config support

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This commit is contained in:
Max Lv
2013-03-15 14:07:24 +08:00
parent a7a314ed32
commit 0911c4ff76
13 changed files with 1344 additions and 97 deletions
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Makefile.am
+2 -2
View File
@@ -1,4 +1,4 @@
bin_PROGRAMS = ss
ss_SOURCES = rc4.c rc4.h md5.c md5.h encrypt.c encrypt.h local.c local.h socks5.h
AM_CFLAGS = -Wall -fno-strict-aliasing
ss_SOURCES = utils.c jconf.c json.c rc4.c rc4.h md5.c md5.h encrypt.c encrypt.h local.c local.h socks5.h
AM_CFLAGS = -O2 -Wall -fno-strict-aliasing
ACLOCAL_AMFLAGS = -I m4
Makefile.in
+7 -4
View File
@@ -55,8 +55,8 @@ CONFIG_CLEAN_FILES =
CONFIG_CLEAN_VPATH_FILES =
am__installdirs = "$(DESTDIR)$(bindir)"
PROGRAMS = $(bin_PROGRAMS)
am_ss_OBJECTS = rc4.$(OBJEXT) md5.$(OBJEXT) encrypt.$(OBJEXT) \
local.$(OBJEXT)
am_ss_OBJECTS = utils.$(OBJEXT) jconf.$(OBJEXT) json.$(OBJEXT) \
rc4.$(OBJEXT) md5.$(OBJEXT) encrypt.$(OBJEXT) local.$(OBJEXT)
ss_OBJECTS = $(am_ss_OBJECTS)
ss_LDADD = $(LDADD)
DEFAULT_INCLUDES = -I.@am__isrc@
@@ -204,8 +204,8 @@ target_alias = @target_alias@
top_build_prefix = @top_build_prefix@
top_builddir = @top_builddir@
top_srcdir = @top_srcdir@
ss_SOURCES = rc4.c rc4.h md5.c md5.h encrypt.c encrypt.h local.c local.h socks5.h
AM_CFLAGS = -Wall -fno-strict-aliasing
ss_SOURCES = utils.c jconf.c json.c rc4.c rc4.h md5.c md5.h encrypt.c encrypt.h local.c local.h socks5.h
AM_CFLAGS = -O2 -Wall -fno-strict-aliasing
ACLOCAL_AMFLAGS = -I m4
all: config.h
$(MAKE) $(AM_MAKEFLAGS) all-am
@@ -315,9 +315,12 @@ distclean-compile:
-rm -f *.tab.c
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/encrypt.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/jconf.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/json.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/local.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/md5.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rc4.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/utils.Po@am__quote@
.c.o:
@am__fastdepCC_TRUE@ $(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
configure
Vendored
+1 -2
View File
@@ -11314,7 +11314,7 @@ fi
# Checks for header files.
for ac_header in arpa/inet.h fcntl.h langinfo.h locale.h netdb.h netinet/in.h stdlib.h string.h strings.h sys/socket.h unistd.h
for ac_header in stdint.h inttypes.h arpa/inet.h fcntl.h langinfo.h locale.h netdb.h netinet/in.h stdlib.h string.h strings.h sys/socket.h unistd.h
do :
as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
@@ -11624,7 +11624,6 @@ done
ac_config_files="$ac_config_files Makefile"
cat >confcache <<\_ACEOF
configure.ac
+1 -2
View File
@@ -17,7 +17,7 @@ AC_PROG_LIBTOOL
AC_SEARCH_LIBS([ev_io_start], [ev], [ ], AC_MSG_ERROR([libev not found.]))
# Checks for header files.
AC_CHECK_HEADERS([arpa/inet.h fcntl.h langinfo.h locale.h netdb.h netinet/in.h stdlib.h string.h strings.h sys/socket.h unistd.h])
AC_CHECK_HEADERS([stdint.h inttypes.h arpa/inet.h fcntl.h langinfo.h locale.h netdb.h netinet/in.h stdlib.h string.h strings.h sys/socket.h unistd.h])
AC_C_BIGENDIAN
@@ -30,6 +30,5 @@ AC_CHECK_FUNCS([malloc memset socket])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
encrypt.h
+8 -3
View File
@@ -1,11 +1,19 @@
#ifndef _ENCRYPT_H
#define _ENCRYPT_H
#include "config.h"
#include <sys/socket.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#ifdef HAVE_STDINT_H
#include <stdint.h>
#elif HAVE_INTTYPES_H
#include <inttypes.h>
#endif
#include "md5.h"
#include "rc4.h"
@@ -36,7 +44,4 @@ void decrypt_ctx(char *buf, int len, struct rc4_state *ctx);
void enc_ctx_init(struct rc4_state *ctx, int enc);
void enc_conf_init(const char *pass, const char *method);
#define LOGD(...) ((void)fprintf(stdout, __VA_ARGS__))
#define LOGE(...) ((void)fprintf(stderr, __VA_ARGS__))
#endif // _ENCRYPT_H
jconf.c
+120
View File
@@ -0,0 +1,120 @@
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include "utils.h"
#include "jconf.h"
#include "json.h"
#include "string.h"
#define INT_DIGITS 19 /* enough for 64 bit integer */
static char *itoa(int i)
{
/* Room for INT_DIGITS digits, - and '\0' */
static char buf[INT_DIGITS + 2];
char *p = buf + INT_DIGITS + 1; /* points to terminating '\0' */
if (i >= 0) {
do {
*--p = '0' + (i % 10);
i /= 10;
} while (i != 0);
return p;
}
else { /* i < 0 */
do {
*--p = '0' - (i % 10);
i /= 10;
} while (i != 0);
*--p = '-';
}
return p;
}
static char *to_string(const json_value *value) {
if (value->type == json_string) {
return strndup(value->u.string.ptr, value->u.string.length);
} else if (value->type == json_integer) {
return strdup(itoa(value->u.integer));
} else if (value->type == json_null) {
return "null";
} else {
LOGE("%d\n", value->type);
FATAL("Invalid config format.\n");
}
return 0;
}
static int to_int(const json_value *value) {
if (value->type == json_string) {
return atoi(value->u.string.ptr);
} else if (value->type == json_integer) {
return value->u.integer;
} else {
FATAL("Invalid config format.\n");
}
return 0;
}
jconf_t *read_jconf(const char* file) {
static jconf_t conf;
char *buf;
json_value *obj;
FILE *f = fopen(file, "r");
if (f == NULL) FATAL("Invalid config path.\n");
fseek(f, 0, SEEK_END);
long pos = ftell(f);
fseek(f, 0, SEEK_SET);
if (pos >= MAX_CONF_SIZE) FATAL("Too large config file.\n");
buf = malloc(pos);
if (buf == NULL) FATAL("No enough memory.\n");
fread(buf, pos, 1, f);
fclose(f);
obj = json_parse(buf);
if (obj->type == json_object) {
int i, j;
for (i = 0; i < obj->u.object.length; i++) {
char *name = obj->u.object.values[i].name;
json_value *value = obj->u.object.values[i].value;
if (strcmp(name, "server") == 0) {
if (value->type == json_array) {
for (j = 0; j < value->u.array.length; j++) {
if (j >= MAX_REMOTE_NUM) break;
json_value *v = value->u.array.values[j];
conf.remote_host[j] = to_string(v);
conf.remote_num = j + 1;
}
} else if (value->type == json_string) {
conf.remote_host[0] = to_string(value);
conf.remote_num = 1;
}
} else if (strcmp(name, "server_port") == 0) {
conf.remote_port = to_string(value);
} else if (strcmp(name, "local_port") == 0) {
conf.local_port = to_string(value);
} else if (strcmp(name, "password") == 0) {
conf.password = to_string(value);
} else if (strcmp(name, "method") == 0) {
conf.method = to_string(value);
} else if (strcmp(name, "timeout") == 0) {
conf.timeout = to_string(value);
}
}
} else {
FATAL("Invalid config file\n");
}
free(buf);
json_value_free(obj);
return &conf;
}
jconf.h
+19
View File
@@ -0,0 +1,19 @@
#ifndef _JCONF_H
#define _JCONF_H
#define MAX_REMOTE_NUM 10
#define MAX_CONF_SIZE 512 * 1024
typedef struct {
int remote_num;
char *remote_host[MAX_REMOTE_NUM];
char *remote_port;
char *local_port;
char *password;
char *method;
char *timeout;
} jconf_t;
jconf_t *read_jconf(const char* file);
#endif // _JCONF_H
json.c
+838
View File
@@ -0,0 +1,838 @@
/* vim: set et ts=3 sw=3 ft=c:
*
* Copyright (C) 2012 James McLaughlin et al. All rights reserved.
* https://github.com/udp/json-parser
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "json.h"
#ifdef _MSC_VER
#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#endif
#endif
#ifdef __cplusplus
const struct _json_value json_value_none; /* zero-d by ctor */
#else
const struct _json_value json_value_none = { 0 };
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
typedef unsigned short json_uchar;
static unsigned char hex_value (json_char c)
{
if (c >= 'A' && c <= 'F')
return (c - 'A') + 10;
if (c >= 'a' && c <= 'f')
return (c - 'a') + 10;
if (c >= '0' && c <= '9')
return c - '0';
return 0xFF;
}
typedef struct
{
json_settings settings;
int first_pass;
unsigned long used_memory;
unsigned int uint_max;
unsigned long ulong_max;
} json_state;
static void * json_alloc (json_state * state, unsigned long size, int zero)
{
void * mem;
if ((state->ulong_max - state->used_memory) < size)
return 0;
if (state->settings.max_memory
&& (state->used_memory += size) > state->settings.max_memory)
{
return 0;
}
if (! (mem = zero ? calloc (size, 1) : malloc (size)))
return 0;
return mem;
}
static int new_value
(json_state * state, json_value ** top, json_value ** root, json_value ** alloc, json_type type)
{
json_value * value;
int values_size;
if (!state->first_pass)
{
value = *top = *alloc;
*alloc = (*alloc)->_reserved.next_alloc;
if (!*root)
*root = value;
switch (value->type)
{
case json_array:
if (! (value->u.array.values = (json_value **) json_alloc
(state, value->u.array.length * sizeof (json_value *), 0)) )
{
return 0;
}
value->u.array.length = 0;
break;
case json_object:
values_size = sizeof (*value->u.object.values) * value->u.object.length;
if (! ((*(void **) &value->u.object.values) = json_alloc
(state, values_size + ((unsigned long) value->u.object.values), 0)) )
{
return 0;
}
value->_reserved.object_mem = (*(char **) &value->u.object.values) + values_size;
value->u.object.length = 0;
break;
case json_string:
if (! (value->u.string.ptr = (json_char *) json_alloc
(state, (value->u.string.length + 1) * sizeof (json_char), 0)) )
{
return 0;
}
value->u.string.length = 0;
break;
default:
break;
};
return 1;
}
value = (json_value *) json_alloc (state, sizeof (json_value), 1);
if (!value)
return 0;
if (!*root)
*root = value;
value->type = type;
value->parent = *top;
if (*alloc)
(*alloc)->_reserved.next_alloc = value;
*alloc = *top = value;
return 1;
}
#define e_off \
((int) (i - cur_line_begin))
#define whitespace \
case '\n': ++ cur_line; cur_line_begin = i; \
case ' ': case '\t': case '\r'
#define string_add(b) \
do { if (!state.first_pass) string [string_length] = b; ++ string_length; } while (0);
const static long
flag_next = 1, flag_reproc = 2, flag_need_comma = 4, flag_seek_value = 8,
flag_escaped = 16, flag_string = 32, flag_need_colon = 64, flag_done = 128,
flag_num_negative = 256, flag_num_zero = 512, flag_num_e = 1024,
flag_num_e_got_sign = 2048, flag_num_e_negative = 4096;
json_value * json_parse_ex (json_settings * settings, const json_char * json, char * error_buf)
{
json_char error [128];
unsigned int cur_line;
const json_char * cur_line_begin, * i;
json_value * top, * root, * alloc = 0;
json_state state;
long flags;
long num_digits, num_fraction, num_e;
error[0] = '\0';
memset (&state, 0, sizeof (json_state));
memcpy (&state.settings, settings, sizeof (json_settings));
memset (&state.uint_max, 0xFF, sizeof (state.uint_max));
memset (&state.ulong_max, 0xFF, sizeof (state.ulong_max));
state.uint_max -= 8; /* limit of how much can be added before next check */
state.ulong_max -= 8;
for (state.first_pass = 1; state.first_pass >= 0; -- state.first_pass)
{
json_uchar uchar;
unsigned char uc_b1, uc_b2, uc_b3, uc_b4;
json_char * string;
unsigned int string_length;
top = root = 0;
flags = flag_seek_value;
cur_line = 1;
cur_line_begin = json;
for (i = json ;; ++ i)
{
json_char b = *i;
if (flags & flag_done)
{
if (!b)
break;
switch (b)
{
whitespace:
continue;
default:
sprintf (error, "%d:%d: Trailing garbage: `%c`", cur_line, e_off, b);
goto e_failed;
};
}
if (flags & flag_string)
{
if (!b)
{ sprintf (error, "Unexpected EOF in string (at %d:%d)", cur_line, e_off);
goto e_failed;
}
if (string_length > state.uint_max)
goto e_overflow;
if (flags & flag_escaped)
{
flags &= ~ flag_escaped;
switch (b)
{
case 'b': string_add ('\b'); break;
case 'f': string_add ('\f'); break;
case 'n': string_add ('\n'); break;
case 'r': string_add ('\r'); break;
case 't': string_add ('\t'); break;
case 'u':
if ((uc_b1 = hex_value (*++ i)) == 0xFF || (uc_b2 = hex_value (*++ i)) == 0xFF
|| (uc_b3 = hex_value (*++ i)) == 0xFF || (uc_b4 = hex_value (*++ i)) == 0xFF)
{
sprintf (error, "Invalid character value `%c` (at %d:%d)", b, cur_line, e_off);
goto e_failed;
}
uc_b1 = uc_b1 * 16 + uc_b2;
uc_b2 = uc_b3 * 16 + uc_b4;
uchar = ((json_char) uc_b1) * 256 + uc_b2;
if (sizeof (json_char) >= sizeof (json_uchar) || (uc_b1 == 0 && uc_b2 <= 0x7F))
{
string_add ((json_char) uchar);
break;
}
if (uchar <= 0x7FF)
{
if (state.first_pass)
string_length += 2;
else
{ string [string_length ++] = 0xC0 | ((uc_b2 & 0xC0) >> 6) | ((uc_b1 & 0x7) << 2);
string [string_length ++] = 0x80 | (uc_b2 & 0x3F);
}
break;
}
if (state.first_pass)
string_length += 3;
else
{ string [string_length ++] = 0xE0 | ((uc_b1 & 0xF0) >> 4);
string [string_length ++] = 0x80 | ((uc_b1 & 0xF) << 2) | ((uc_b2 & 0xC0) >> 6);
string [string_length ++] = 0x80 | (uc_b2 & 0x3F);
}
break;
default:
string_add (b);
};
continue;
}
if (b == '\\')
{
flags |= flag_escaped;
continue;
}
if (b == '"')
{
if (!state.first_pass)
string [string_length] = 0;
flags &= ~ flag_string;
string = 0;
switch (top->type)
{
case json_string:
top->u.string.length = string_length;
flags |= flag_next;
break;
case json_object:
if (state.first_pass)
(*(json_char **) &top->u.object.values) += string_length + 1;
else
{
top->u.object.values [top->u.object.length].name
= (json_char *) top->_reserved.object_mem;
(*(json_char **) &top->_reserved.object_mem) += string_length + 1;
}
flags |= flag_seek_value | flag_need_colon;
continue;
default:
break;
};
}
else
{
string_add (b);
continue;
}
}
if (flags & flag_seek_value)
{
switch (b)
{
whitespace:
continue;
case ']':
if (top->type == json_array)
flags = (flags & ~ (flag_need_comma | flag_seek_value)) | flag_next;
else if (!state.settings.settings & json_relaxed_commas)
{ sprintf (error, "%d:%d: Unexpected ]", cur_line, e_off);
goto e_failed;
}
break;
default:
if (flags & flag_need_comma)
{
if (b == ',')
{ flags &= ~ flag_need_comma;
continue;
}
else
{ sprintf (error, "%d:%d: Expected , before %c", cur_line, e_off, b);
goto e_failed;
}
}
if (flags & flag_need_colon)
{
if (b == ':')
{ flags &= ~ flag_need_colon;
continue;
}
else
{ sprintf (error, "%d:%d: Expected : before %c", cur_line, e_off, b);
goto e_failed;
}
}
flags &= ~ flag_seek_value;
switch (b)
{
case '{':
if (!new_value (&state, &top, &root, &alloc, json_object))
goto e_alloc_failure;
continue;
case '[':
if (!new_value (&state, &top, &root, &alloc, json_array))
goto e_alloc_failure;
flags |= flag_seek_value;
continue;
case '"':
if (!new_value (&state, &top, &root, &alloc, json_string))
goto e_alloc_failure;
flags |= flag_string;
string = top->u.string.ptr;
string_length = 0;
continue;
case 't':
if (*(++ i) != 'r' || *(++ i) != 'u' || *(++ i) != 'e')
goto e_unknown_value;
if (!new_value (&state, &top, &root, &alloc, json_boolean))
goto e_alloc_failure;
top->u.boolean = 1;
flags |= flag_next;
break;
case 'f':
if (*(++ i) != 'a' || *(++ i) != 'l' || *(++ i) != 's' || *(++ i) != 'e')
goto e_unknown_value;
if (!new_value (&state, &top, &root, &alloc, json_boolean))
goto e_alloc_failure;
flags |= flag_next;
break;
case 'n':
if (*(++ i) != 'u' || *(++ i) != 'l' || *(++ i) != 'l')
goto e_unknown_value;
if (!new_value (&state, &top, &root, &alloc, json_null))
goto e_alloc_failure;
flags |= flag_next;
break;
default:
if (isdigit (b) || b == '-')
{
if (!new_value (&state, &top, &root, &alloc, json_integer))
goto e_alloc_failure;
if (!state.first_pass)
{
while (isdigit (b) || b == '+' || b == '-'
|| b == 'e' || b == 'E' || b == '.')
{
b = *++ i;
}
flags |= flag_next | flag_reproc;
break;
}
flags &= ~ (flag_num_negative | flag_num_e |
flag_num_e_got_sign | flag_num_e_negative |
flag_num_zero);
num_digits = 0;
num_fraction = 0;
num_e = 0;
if (b != '-')
{
flags |= flag_reproc;
break;
}
flags |= flag_num_negative;
continue;
}
else
{ sprintf (error, "%d:%d: Unexpected %c when seeking value", cur_line, e_off, b);
goto e_failed;
}
};
};
}
else
{
switch (top->type)
{
case json_object:
switch (b)
{
whitespace:
continue;
case '"':
if (flags & flag_need_comma && (!state.settings.settings & json_relaxed_commas))
{
sprintf (error, "%d:%d: Expected , before \"", cur_line, e_off);
goto e_failed;
}
flags |= flag_string;
string = (json_char *) top->_reserved.object_mem;
string_length = 0;
break;
case '}':
flags = (flags & ~ flag_need_comma) | flag_next;
break;
case ',':
if (flags & flag_need_comma)
{
flags &= ~ flag_need_comma;
break;
}
default:
sprintf (error, "%d:%d: Unexpected `%c` in object", cur_line, e_off, b);
goto e_failed;
};
break;
case json_integer:
case json_double:
if (isdigit (b))
{
++ num_digits;
if (top->type == json_integer || flags & flag_num_e)
{
if (! (flags & flag_num_e))
{
if (flags & flag_num_zero)
{ sprintf (error, "%d:%d: Unexpected `0` before `%c`", cur_line, e_off, b);
goto e_failed;
}
if (num_digits == 1 && b == '0')
flags |= flag_num_zero;
}
else
{
flags |= flag_num_e_got_sign;
num_e = (num_e * 10) + (b - '0');
continue;
}
top->u.integer = (top->u.integer * 10) + (b - '0');
continue;
}
num_fraction = (num_fraction * 10) + (b - '0');
continue;
}
if (b == '+' || b == '-')
{
if ( (flags & flag_num_e) && !(flags & flag_num_e_got_sign))
{
flags |= flag_num_e_got_sign;
if (b == '-')
flags |= flag_num_e_negative;
continue;
}
}
else if (b == '.' && top->type == json_integer)
{
if (!num_digits)
{ sprintf (error, "%d:%d: Expected digit before `.`", cur_line, e_off);
goto e_failed;
}
top->type = json_double;
top->u.dbl = top->u.integer;
num_digits = 0;
continue;
}
if (! (flags & flag_num_e))
{
if (top->type == json_double)
{
if (!num_digits)
{ sprintf (error, "%d:%d: Expected digit after `.`", cur_line, e_off);
goto e_failed;
}
top->u.dbl += ((double) num_fraction) / (pow (10, (double) num_digits));
}
if (b == 'e' || b == 'E')
{
flags |= flag_num_e;
if (top->type == json_integer)
{
top->type = json_double;
top->u.dbl = top->u.integer;
}
num_digits = 0;
flags &= ~ flag_num_zero;
continue;
}
}
else
{
if (!num_digits)
{ sprintf (error, "%d:%d: Expected digit after `e`", cur_line, e_off);
goto e_failed;
}
top->u.dbl *= pow (10, (double) (flags & flag_num_e_negative ? - num_e : num_e));
}
if (flags & flag_num_negative)
{
if (top->type == json_integer)
top->u.integer = - top->u.integer;
else
top->u.dbl = - top->u.dbl;
}
flags |= flag_next | flag_reproc;
break;
default:
break;
};
}
if (flags & flag_reproc)
{
flags &= ~ flag_reproc;
-- i;
}
if (flags & flag_next)
{
flags = (flags & ~ flag_next) | flag_need_comma;
if (!top->parent)
{
/* root value done */
flags |= flag_done;
continue;
}
if (top->parent->type == json_array)
flags |= flag_seek_value;
if (!state.first_pass)
{
json_value * parent = top->parent;
switch (parent->type)
{
case json_object:
parent->u.object.values
[parent->u.object.length].value = top;
break;
case json_array:
parent->u.array.values
[parent->u.array.length] = top;
break;
default:
break;
};
}
if ( (++ top->parent->u.array.length) > state.uint_max)
goto e_overflow;
top = top->parent;
continue;
}
}
alloc = root;
}
return root;
e_unknown_value:
sprintf (error, "%d:%d: Unknown value", cur_line, e_off);
goto e_failed;
e_alloc_failure:
strcpy (error, "Memory allocation failure");
goto e_failed;
e_overflow:
sprintf (error, "%d:%d: Too long (caught overflow)", cur_line, e_off);
goto e_failed;
e_failed:
if (error_buf)
{
if (*error)
strcpy (error_buf, error);
else
strcpy (error_buf, "Unknown error");
}
if (state.first_pass)
alloc = root;
while (alloc)
{
top = alloc->_reserved.next_alloc;
free (alloc);
alloc = top;
}
if (!state.first_pass)
json_value_free (root);
return 0;
}
json_value * json_parse (const json_char * json)
{
json_settings settings;
memset (&settings, 0, sizeof (json_settings));
return json_parse_ex (&settings, json, 0);
}
void json_value_free (json_value * value)
{
json_value * cur_value;
if (!value)
return;
value->parent = 0;
while (value)
{
switch (value->type)
{
case json_array:
if (!value->u.array.length)
{
free (value->u.array.values);
break;
}
value = value->u.array.values [-- value->u.array.length];
continue;
case json_object:
if (!value->u.object.length)
{
free (value->u.object.values);
break;
}
value = value->u.object.values [-- value->u.object.length].value;
continue;
case json_string:
free (value->u.string.ptr);
break;
default:
break;
};
cur_value = value;
value = value->parent;
free (cur_value);
}
}
json.h
+222
View File
@@ -0,0 +1,222 @@
/* vim: set et ts=3 sw=3 ft=c:
*
* Copyright (C) 2012 James McLaughlin et al. All rights reserved.
* https://github.com/udp/json-parser
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _JSON_H
#define _JSON_H
#ifndef json_char
#define json_char char
#endif
#ifdef __cplusplus
#include <string.h>
extern "C"
{
#endif
typedef struct
{
unsigned long max_memory;
int settings;
} json_settings;
#define json_relaxed_commas 1
typedef enum
{
json_none,
json_object,
json_array,
json_integer,
json_double,
json_string,
json_boolean,
json_null
} json_type;
extern const struct _json_value json_value_none;
typedef struct _json_value
{
struct _json_value * parent;
json_type type;
union
{
int boolean;
long integer;
double dbl;
struct
{
unsigned int length;
json_char * ptr; /* null terminated */
} string;
struct
{
unsigned int length;
struct
{
json_char * name;
struct _json_value * value;
} * values;
} object;
struct
{
unsigned int length;
struct _json_value ** values;
} array;
} u;
union
{
struct _json_value * next_alloc;
void * object_mem;
} _reserved;
/* Some C++ operator sugar */
#ifdef __cplusplus
public:
inline _json_value ()
{ memset (this, 0, sizeof (_json_value));
}
inline const struct _json_value &operator [] (int index) const
{
if (type != json_array || index < 0
|| ((unsigned int) index) >= u.array.length)
{
return json_value_none;
}
return *u.array.values [index];
}
inline const struct _json_value &operator [] (const char * index) const
{
if (type != json_object)
return json_value_none;
for (unsigned int i = 0; i < u.object.length; ++ i)
if (!strcmp (u.object.values [i].name, index))
return *u.object.values [i].value;
return json_value_none;
}
inline operator const char * () const
{
switch (type)
{
case json_string:
return u.string.ptr;
default:
return "";
};
}
inline operator long () const
{
switch (type)
{
case json_integer:
return u.integer;
case json_double:
return (long) u.dbl;
default:
return 0;
};
}
inline operator bool () const
{
if (type != json_boolean)
return false;
return u.boolean != 0;
}
inline operator double () const
{
switch (type)
{
case json_integer:
return u.integer;
case json_double:
return u.dbl;
default:
return 0;
};
}
#endif
} json_value;
json_value * json_parse
(const json_char * json);
json_value * json_parse_ex
(json_settings * settings, const json_char * json, char * error);
void json_value_free (json_value *);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif
local.c
+47 -82
View File
@@ -18,6 +18,7 @@
#include <unistd.h>
#include <assert.h>
#include "utils.h"
#include "local.h"
#include "socks5.h"
@@ -576,70 +577,17 @@ static void accept_cb (EV_P_ ev_io *w, int revents)
}
}
static void print_usage() {
printf("usage: ss -s server_host -p server_port -l local_port\n");
printf(" -k password [-m encrypt_method] [-f pid_file]\n");
printf("\n");
printf("options:\n");
printf(" encrypt_method: table, rc4\n");
printf(" pid_file: valid path to the pid file\n");
}
static void demonize(const char* path) {
/* Our process ID and Session ID */
pid_t pid, sid;
/* Fork off the parent process */
pid = fork();
if (pid < 0) {
exit(EXIT_FAILURE);
}
/* If we got a good PID, then
we can exit the parent process. */
if (pid > 0) {
FILE *file = fopen(path, "w");
fprintf(file, "%d", pid);
fclose(file);
exit(EXIT_SUCCESS);
}
/* Change the file mode mask */
umask(0);
/* Open any logs here */
/* Create a new SID for the child process */
sid = setsid();
if (sid < 0) {
/* Log the failure */
exit(EXIT_FAILURE);
}
/* Change the current working directory */
if ((chdir("/")) < 0) {
/* Log the failure */
exit(EXIT_FAILURE);
}
/* Close out the standard file descriptors */
close(STDIN_FILENO);
close(STDOUT_FILENO);
close(STDERR_FILENO);
}
int main (int argc, char **argv)
{
char *port = NULL;
int i, c;
int pid_flags = 0;
char *local_port = NULL;
char *password = NULL;
char *timeout = "10";
char *timeout = NULL;
char *method = NULL;
int c;
int f_flags = 0;
char *f_path = NULL;
char *pid_path = NULL;
char *conf_path = NULL;
int remote_num = 0;
char *remote_host[MAX_REMOTE_NUM];
@@ -647,7 +595,7 @@ int main (int argc, char **argv)
opterr = 0;
while ((c = getopt (argc, argv, "f:s:p:l:k:t:m:")) != -1) {
while ((c = getopt (argc, argv, "f:s:p:l:k:t:m:c:")) != -1) {
switch (c) {
case 's':
remote_host[remote_num++] = optarg;
@@ -656,14 +604,14 @@ int main (int argc, char **argv)
remote_port = optarg;
break;
case 'l':
port = optarg;
local_port = optarg;
break;
case 'k':
password = optarg;
break;
case 'f':
f_flags = 1;
f_path = optarg;
pid_flags = 1;
pid_path = optarg;
break;
case 't':
timeout = optarg;
@@ -671,45 +619,62 @@ int main (int argc, char **argv)
case 'm':
method = optarg;
break;
case 'c':
conf_path = optarg;
break;
}
}
if (remote_num == 0 || remote_port == NULL ||
port == NULL || password == NULL) {
print_usage();
if (opterr) {
usage();
exit(EXIT_FAILURE);
}
if (f_flags) {
if (f_path == NULL) {
print_usage();
exit(EXIT_FAILURE);
if (conf_path != NULL) {
jconf_t *conf = read_jconf(conf_path);
if (remote_num == 0) {
remote_num = conf->remote_num;
for (i = 0; i < remote_num; i++) {
remote_host[i] = conf->remote_host[i];
}
}
demonize(f_path);
if (remote_port == NULL) remote_port = conf->remote_port;
if (local_port == NULL) local_port = conf->local_port;
if (password == NULL) password = conf->password;
if (method == NULL) method = conf->method;
if (timeout == NULL) timeout = conf->timeout;
}
if (remote_num == 0 || remote_port == NULL ||
local_port == NULL || password == NULL) {
usage();
exit(EXIT_FAILURE);
}
if (timeout == NULL) timeout = "10";
if (pid_flags) {
demonize(pid_path);
}
// ignore SIGPIPE
signal(SIGPIPE, SIG_IGN);
// Setup keys
LOGD("calculating ciphers\n");
LOGD("calculating ciphers...\n");
enc_conf_init(password, method);
// Setup socket
int listenfd;
listenfd = create_and_bind(port);
listenfd = create_and_bind(local_port);
if (listenfd < 0) {
LOGE("bind() error..\n");
return 1;
FATAL("bind() error..\n");
}
if (listen(listenfd, SOMAXCONN) == -1) {
LOGE("listen() error.\n");
return 1;
FATAL("listen() error.\n");
}
setnonblocking(listenfd);
LOGD("server listening at port %s\n", port);
LOGD("server listening at port %s.\n", local_port);
// Setup proxy context
struct listen_ctx listen_ctx;
@@ -725,7 +690,7 @@ int main (int argc, char **argv)
struct ev_loop *loop = ev_default_loop(0);
if (!loop) {
return 1;
FATAL("ev_loop error.\n");
}
ev_io_init (&listen_ctx.io, accept_cb, listenfd, EV_READ);
ev_io_start (loop, &listen_ctx.io);
local.h
+1 -2
View File
@@ -3,8 +3,7 @@
#include <ev.h>
#include "encrypt.h"
#define MAX_REMOTE_NUM 10
#include "jconf.h"
struct listen_ctx {
ev_io io;
utils.c
+67
View File
@@ -0,0 +1,67 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "utils.h"
void FATAL(const char *msg) {
fprintf(stderr, "%s", msg);
exit(-1);
}
void usage() {
printf("usage: ss -s server_host -p server_port -l local_port\n");
printf(" -k password [-m encrypt_method] [-f pid_file]\n");
printf("\n");
printf("options:\n");
printf(" encrypt_method: table, rc4\n");
printf(" pid_file: valid path to the pid file\n");
}
void demonize(const char* path) {
/* Our process ID and Session ID */
pid_t pid, sid;
/* Fork off the parent process */
pid = fork();
if (pid < 0) {
exit(EXIT_FAILURE);
}
/* If we got a good PID, then
we can exit the parent process. */
if (pid > 0) {
FILE *file = fopen(path, "w");
if (file == NULL) FATAL("Invalid pid file\n");
fprintf(file, "%d", pid);
fclose(file);
exit(EXIT_SUCCESS);
}
/* Change the file mode mask */
umask(0);
/* Open any logs here */
/* Create a new SID for the child process */
sid = setsid();
if (sid < 0) {
/* Log the failure */
exit(EXIT_FAILURE);
}
/* Change the current working directory */
if ((chdir("/")) < 0) {
/* Log the failure */
exit(EXIT_FAILURE);
}
/* Close out the standard file descriptors */
close(STDIN_FILENO);
close(STDOUT_FILENO);
close(STDERR_FILENO);
}
utils.h
+11
View File
@@ -0,0 +1,11 @@
#ifndef _UTILS_H
#define _UTILS_H
#define LOGD(...) ((void)fprintf(stdout, __VA_ARGS__))
#define LOGE(...) ((void)fprintf(stderr, __VA_ARGS__))
void FATAL(const char *msg);
void usage(void);
void demonize(const char* path);
#endif // _UTILS_H