ReactOS 0.4.15-dev-7942-gd23573b
chargen.c File Reference
#include "tcpsvcs.h"
Include dependency graph for chargen.c:

Go to the source code of this file.

Macros

#define ASCII_START   32
 
#define ASCII_END   126
 
#define NUM_CHARS   ASCII_END - ASCII_START + 1
 
#define LINESIZE   74
 

Functions

static BOOL SendLine (SOCKET sock, LPSTR lpLine)
 
static BOOL GenerateChars (SOCKET sock)
 
DWORD WINAPI ChargenHandler (VOID *sock_)
 

Macro Definition Documentation

◆ ASCII_END

#define ASCII_END   126

Definition at line 14 of file chargen.c.

◆ ASCII_START

#define ASCII_START   32

Definition at line 13 of file chargen.c.

◆ LINESIZE

#define LINESIZE   74

Definition at line 18 of file chargen.c.

◆ NUM_CHARS

#define NUM_CHARS   ASCII_END - ASCII_START + 1

Definition at line 15 of file chargen.c.

Function Documentation

◆ ChargenHandler()

DWORD WINAPI ChargenHandler ( VOID sock_)

Definition at line 96 of file chargen.c.

97{
98 INT retVal = 0;
99 SOCKET sock = (SOCKET)sock_;
100
101 if (!GenerateChars(sock))
102 {
103 LogEvent(L"Chargen: Char generation failed", 0, 0, LOG_FILE);
104 retVal = 1;
105 }
106
107 LogEvent(L"Chargen: Shutting connection down...", 0, 0, LOG_FILE);
109 {
110 LogEvent(L"Chargen: Connection is down", 0, 0, LOG_FILE);
111 }
112 else
113 {
114 LogEvent(L"Chargen: Connection shutdown failed", 0, 0, LOG_FILE);
115 retVal = 1;
116 }
117
118 LogEvent(L"Chargen: Terminating thread", 0, 0, LOG_FILE);
119 ExitThread(retVal);
120}
VOID LogEvent(LPCWSTR lpMsg, DWORD errNum, DWORD exitCode, UINT flags)
Definition: log.c:196
static BOOL GenerateChars(SOCKET sock)
Definition: chargen.c:51
#define FALSE
Definition: types.h:117
VOID WINAPI ExitThread(IN DWORD uExitCode)
Definition: thread.c:365
#define L(x)
Definition: ntvdm.h:50
BOOL ShutdownConnection(SOCKET sock, BOOL bRec)
Definition: skelserver.c:126
Definition: tcpcore.h:1455
int32_t INT
Definition: typedefs.h:58
UINT_PTR SOCKET
Definition: winsock.h:47

◆ GenerateChars()

static BOOL GenerateChars ( SOCKET  sock)
static

Definition at line 51 of file chargen.c.

52{
53 CHAR chars[NUM_CHARS];
55 INT charIndex;
56 INT loopIndex;
57 INT i;
58
59 /* fill the array with printable characters */
60 for (charIndex = 0, i = ASCII_START; i <= ASCII_END; charIndex++, i++)
61 chars[charIndex] = (CHAR)i;
62
63 loopIndex = 0;
64 while (!bShutdown)
65 {
66 /* reset the loop when we hit the last char */
67 if (loopIndex == NUM_CHARS)
68 loopIndex = 0;
69
70 /* fill a line array to send */
71 charIndex = loopIndex;
72 for (i=0; i < LINESIZE - 2; i++)
73 {
74 line[i] = chars[charIndex];
75
76 /* if we hit the end char, reset it */
77 if (chars[charIndex] == chars[NUM_CHARS - 1])
78 charIndex = 0;
79 else
80 charIndex++;
81 }
82 line[LINESIZE - 2] = '\r';
83 line[LINESIZE - 1] = '\n';
84
85 if (!SendLine(sock, line))
86 break;
87
88 /* start printing from next char in the array */
89 loopIndex++;
90 }
91
92 return TRUE;
93}
#define LINESIZE
Definition: chargen.c:18
#define NUM_CHARS
Definition: chargen.c:15
#define ASCII_START
Definition: chargen.c:13
#define ASCII_END
Definition: chargen.c:14
static BOOL SendLine(SOCKET sock, LPSTR lpLine)
Definition: chargen.c:21
#define TRUE
Definition: types.h:120
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
Definition: parser.c:49
volatile BOOL bShutdown
Definition: tcpsvcs.c:16
char CHAR
Definition: xmlstorage.h:175

Referenced by ChargenHandler().

◆ SendLine()

static BOOL SendLine ( SOCKET  sock,
LPSTR  lpLine 
)
static

Definition at line 21 of file chargen.c.

22{
23 BOOL bRet = FALSE;
24
25 /*FIXME: need to establish if peer closes connection, not just report a socket error */
26 INT retVal = send(sock, lpLine, LINESIZE, 0);
27 if (retVal > 0)
28 {
29 if (retVal == LINESIZE)
30 {
31 bRet = TRUE;
32 }
33 else
34 {
35 LogEvent(L"Chargen: Not sent enough bytes", 0, 0, LOG_FILE);
36 }
37 }
38 else if (retVal == SOCKET_ERROR)
39 {
40 LogEvent(L"Chargen: Socket error\n", WSAGetLastError(), 0, LOG_ERROR);
41 }
42 else
43 {
44 LogEvent(L"Chargen: unknown error\n", WSAGetLastError(), 0, LOG_ERROR);
45 }
46
47 return bRet;
48}
INT WSAAPI send(IN SOCKET s, IN CONST CHAR FAR *buf, IN INT len, IN INT flags)
Definition: send.c:23
unsigned int BOOL
Definition: ntddk_ex.h:94
#define LOG_ERROR
Definition: tcpsvcs.h:16
int PASCAL FAR WSAGetLastError(void)
Definition: dllmain.c:112
#define SOCKET_ERROR
Definition: winsock.h:333

Referenced by GenerateChars().