├── LICENSE ├── lena.h ├── lena_client.cpp └── lena_server.cpp /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. By contrast, 15 | the GNU General Public License is intended to guarantee your freedom to 16 | share and change all versions of a program--to make sure it remains free 17 | software for all its users. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /lena.h: -------------------------------------------------------------------------------- 1 | /* 2 | Lena.h - Header of lena. 3 | Copyright (C) 2019 Mivik 4 | 5 | This file is part of Lena. This program is free software: 6 | you can redistribute it and/or modify it under the terms 7 | of the GNU General Public License as published by the Free Software 8 | Foundation, either version 3 of the License, or (at your option) 9 | any later version. 10 | 11 | This program is distributed in the hope that it will be useful, 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 | GNU General Public License for more details. 15 | 16 | You should have received a copy of the GNU General Public License 17 | along with this program. If not, see . 18 | */ 19 | 20 | #ifndef __LENA_H_ 21 | #define __LENA_H_ 22 | 23 | #include 24 | #include 25 | 26 | #include 27 | #include 28 | 29 | #include 30 | #include 31 | #include 32 | #include 33 | #include 34 | 35 | #include 36 | 37 | #include 38 | #include 39 | 40 | typedef int socket_t; 41 | 42 | // const char *BROAD_ADDR="255.255.255.255"; 43 | const char *BROAD_ADDR="10.92.104.103"; 44 | const int PORT_CLIENT = 12574; 45 | const int PORT_SERVER = 12575; 46 | 47 | const int MAX_LISTEN_SIZE = 512; 48 | 49 | const char *DAEMON_PATH="lena"; 50 | const char *CONFIG_PATH="%s/.config/lena_client"; 51 | 52 | const int FILEPART_SIZE = 16384; 53 | 54 | const char DOP_KILL = 1; 55 | const char DOP_SET_CONFIG = 2; 56 | const char DOP_GET_CONFIG = 3; 57 | const char DOP_GET_ALL = 4; 58 | 59 | template 60 | struct BufferedSocket { 61 | socket_t socket; 62 | char buffer[BufferSize]; 63 | char *cur,*end; 64 | BufferedSocket() {} 65 | BufferedSocket(const socket_t &socket):socket(socket) {cur=end=0;} 66 | inline int getchar() { 67 | if (cur==end) { 68 | int len=recv(socket,cur=buffer,BufferSize,0); 69 | if (len<0) return EOF; 70 | end=buffer+len; 71 | } 72 | return *(cur++); 73 | } 74 | inline void printf(const char *d, ...) { 75 | va_list args; 76 | va_start(args,d); 77 | int len=vsprintf(buffer,d,args); 78 | send(socket,buffer,len,0); 79 | } 80 | inline void close() { ::close(socket);socket=0; } 81 | }; 82 | inline void reportError(const char *msg) { fprintf(stderr,"%s: %s(ErrorCode:%d)\n",msg,strerror(errno),errno); } 83 | inline void randomize(char *dst, int isocklen) { 84 | FILE *file=fopen("/dev/urandom","rb"); 85 | fread(dst,sizeof(char),isocklen,file); 86 | fclose(file); 87 | } 88 | inline void printHex(FILE *out, const char *src, int len, bool upper=0) { 89 | int i; 90 | char q; 91 | for (i=0;i>4; 93 | q&=15; 94 | fputc(q<10?(q+'0'):(q-10+(upper?'A':'a')),out); 95 | q=src[i]&15; 96 | fputc(q<10?(q+'0'):(q-10+(upper?'A':'a')),out); 97 | } 98 | } 99 | inline void splitLine(FILE *out=stdout, const char c='=') { 100 | winsize size; 101 | ioctl(STDIN_FILENO,TIOCGWINSZ,(char*)&size); 102 | while ((size.ws_col--)>0) fputc(c,out); 103 | } 104 | 105 | // ========================Type Defs======================== 106 | 107 | typedef int TInteger; 108 | typedef bool TBoolean; 109 | typedef char TClientID[32]; 110 | typedef char TName[64]; 111 | typedef char TString[256]; 112 | typedef unsigned int TCardinal; 113 | 114 | struct TClientInfo { 115 | // 0x32 116 | TInteger version; 117 | // 0x36 118 | TClientID clientID; 119 | TName name; 120 | TString workDir; 121 | TBoolean autoLaunch; 122 | TInteger status; 123 | TString OS; 124 | TCardinal permissions; 125 | TBoolean useComputerName; 126 | TClientInfo():version(95) { randomize(clientID,sizeof(TClientID)); } 127 | inline void print(FILE *out=stdout) { 128 | splitLine(out); 129 | fprintf(out,"[Name] %s\n",name); 130 | fprintf(out,"[WorkDir] %s\n",workDir); 131 | fprintf(out,"[OS] %s\n",OS); 132 | fprintf(out,"[Cena Protocal Version] %d\n",version); 133 | fprintf(out,"[ClientID] ");printHex(out,clientID,sizeof(TClientID),1);fputc('\n',out); 134 | splitLine(out); 135 | fprintf(out,"\n\b"); 136 | } 137 | }; 138 | namespace std { 139 | template<> 140 | struct hash { 141 | size_t operator()(const TClientInfo &t) const { 142 | const int P = sizeof(t)/sizeof(size_t); 143 | size_t *st=(size_t*)&t,*en=st+P; 144 | size_t ret=0; 145 | for (;st!=en;++st) ret^=*st; 146 | return ret; 147 | } 148 | }; 149 | template<> 150 | struct equal_to { 151 | bool operator()(const TClientInfo &a, const TClientInfo &b) const { return !memcmp(a.clientID,b.clientID,sizeof(TClientID)); } 152 | }; 153 | }; 154 | 155 | struct TPacket { 156 | // 0x2a 157 | enum Operation : TCardinal { 158 | BROADCAST=0U,ONLINE=1U,UPDATE=2U,OFFLINE=3U,NAME_CONFLICT=4U,SHOW_TEST_MESSAGE=6U 159 | }; 160 | TCardinal protocalVersion; 161 | Operation operation; 162 | TClientInfo info; 163 | TPacket():protocalVersion(1) {} 164 | }; 165 | 166 | struct TTCPPacket { 167 | TCardinal operation; 168 | TInteger fileCount; 169 | TString fileName; 170 | TInteger fileSize; 171 | }; 172 | 173 | #endif -------------------------------------------------------------------------------- /lena_client.cpp: -------------------------------------------------------------------------------- 1 | /* 2 | Lena Client - Send files to Cena/Lena server. 3 | Copyright (C) 2019 Mivik 4 | 5 | This file is part of Lena. This program is free software: 6 | you can redistribute it and/or modify it under the terms 7 | of the GNU General Public License as published by the Free Software 8 | Foundation, either version 3 of the License, or (at your option) 9 | any later version. 10 | 11 | This program is distributed in the hope that it will be useful, 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 | GNU General Public License for more details. 15 | 16 | You should have received a copy of the GNU General Public License 17 | along with this program. If not, see . 18 | */ 19 | 20 | #include "lena.h" 21 | 22 | #include 23 | #include 24 | #include 25 | #include 26 | 27 | #include 28 | #include 29 | 30 | #include 31 | #include 32 | #include 33 | 34 | const char *DEFAULT_CLIENT_NAME = "linux user"; 35 | const char *DEFAULT_CLIENT_OS = "linux"; 36 | const char *DEFAULT_CLIENT_DISPLAY_WORKDIR = "[HAHA]"; 37 | const char *DEFAULT_CLIENT_REAL_WORKDIR = "~/TEST/"; 38 | 39 | using namespace std; 40 | 41 | inline void version(FILE *out=stdout) { 42 | fprintf(out, 43 | "\ 44 | Lena v1.0.0\n\ 45 | Compatiable with Cena v0.8.1.95\n\ 46 | Made By Mivik.\n\ 47 | " 48 | ); 49 | } 50 | inline void help(FILE *out=stdout) { 51 | version(out); 52 | fprintf(out, 53 | "\ 54 | \n\ 55 | [USAGE]\n\ 56 | start - Start Lena client (background) if no\n\ 57 | Lena client is currently running.\n\ 58 | stop - Stop Lena client if exists.\n\ 59 | info - Show all the basic info.\n\ 60 | config - Set the config of Lena with following\n\ 61 | syntax:\n\ 62 | \n\ 63 | lena config set [name] [value]\n\ 64 | lena config get [name]\n\ 65 | \n\ 66 | where config can be any one of the\n\ 67 | followings items:\n\ 68 | \n\ 69 | name - the name of user\n\ 70 | os - the operating system of user\n\ 71 | display-path - displayed work path\n\ 72 | real-path - real work path\n\ 73 | \n\ 74 | [MENTION] display-path is only for fun.\n\ 75 | It simply changed the displayed work\n\ 76 | path in server, without changing your\n\ 77 | real work path. YOUR FILES ARE ONLY\n\ 78 | COLLECTED FROM YOUR REAL WORK PATH.\n\ 79 | \n\ 80 | help (--help,-h)\n\ 81 | - Show this help.\n\ 82 | version(--version,-v)\n\ 83 | - Print the version of Lena and exit.\n\ 84 | " 85 | ); 86 | } 87 | // ========================Main Part======================== 88 | 89 | const char *CLIENT_NAME = DEFAULT_CLIENT_NAME; 90 | const char *CLIENT_OS = DEFAULT_CLIENT_OS; 91 | const char *CLIENT_DISPLAY_WORKDIR = DEFAULT_CLIENT_DISPLAY_WORKDIR; 92 | const char *CLIENT_REAL_WORKDIR = DEFAULT_CLIENT_REAL_WORKDIR; 93 | 94 | socket_t UDP_SOCKET,TCP_SOCKET,DAEMON_SOCKET; 95 | sockaddr_in ServerAddr,ClientAddr,TCPAddr; 96 | sockaddr_un DaemonAddr; 97 | socklen_t isocklen,usocklen; 98 | TPacket packet; 99 | pthread_mutex_t mutex_config,mutex_chdir; 100 | 101 | char CONFIG_BUFFER[PATH_MAX]; 102 | inline void InitPacket(TPacket &packet) { 103 | packet.operation=TPacket::ONLINE; 104 | sprintf(CONFIG_BUFFER,CONFIG_PATH,getenv("HOME")); 105 | FILE *file=fopen(CONFIG_BUFFER,"rb"); 106 | if (!file) { 107 | strcpy(packet.info.name,CLIENT_NAME); 108 | strcpy(packet.info.OS,CLIENT_OS); 109 | strcpy(packet.info.workDir,CLIENT_DISPLAY_WORKDIR); 110 | } else { 111 | fread(&packet.info,sizeof(TClientInfo),1,file); 112 | fread(CONFIG_BUFFER,sizeof(CONFIG_BUFFER),1,file); 113 | chdir(CONFIG_BUFFER); 114 | fclose(file); 115 | } 116 | } 117 | void *TaskUDPSend(void *args) { 118 | int ret; 119 | while (1) { 120 | pthread_mutex_lock(&mutex_config); 121 | ret=sendto(UDP_SOCKET,&packet,sizeof(TPacket),0,(sockaddr*)&ServerAddr,isocklen); 122 | if (ret<0) reportError("Failed to send to server port"); 123 | ret=sendto(UDP_SOCKET,&packet,sizeof(TPacket),0,(sockaddr*)&ClientAddr,isocklen); 124 | if (ret<0) reportError("Failed to send to client port"); 125 | pthread_mutex_unlock(&mutex_config); 126 | usleep(3000000); 127 | } 128 | return 0; 129 | } 130 | TString LINE; 131 | BufferedSocket<1024> R; 132 | char FILE_BUFFER[FILEPART_SIZE]; 133 | void *TaskTCP(void *args) { 134 | if (listen(TCP_SOCKET,MAX_LISTEN_SIZE)) { 135 | reportError("Failed to listen TCP connection request"); 136 | exit(1); 137 | return 0; 138 | } 139 | int i,len; 140 | bool lst; 141 | int c; 142 | int ret; 143 | set nam,ext; 144 | set *target; 145 | vector fs; 146 | string str; 147 | struct stat sts; 148 | off_t totalSize=0; 149 | while (1) { 150 | if ((R=accept(TCP_SOCKET,NULL,NULL)).socket<0) { 151 | reportError("Failed to accept a TCP request"); 152 | exit(1); 153 | return 0; 154 | } 155 | puts("[TCP REQUEST BEGIN]"); 156 | nam.clear(); 157 | ext.clear(); 158 | for (i=0;;i++) { 159 | c=R.getchar(); 160 | if (c==EOF) break; 161 | if (c=='\r'||c=='\n') break; 162 | else { 163 | lst=0; 164 | if (c!='A') { 165 | while (c!='\n'&&c!=EOF) c=R.getchar(); 166 | if (c==EOF) break; 167 | continue; 168 | } 169 | do c=R.getchar(); while (c!='-'&&c!=EOF); 170 | if (c==EOF) break; 171 | c=R.getchar(); 172 | if (c==EOF) break; 173 | target=c=='N'?(&nam):(&ext); 174 | do c=R.getchar(); while (c!=' '&&c!=EOF); 175 | if (c==EOF) break; 176 | c=R.getchar(); 177 | len=0; 178 | while (c!='\n'&&c!='\r'&&c!=EOF) { 179 | LINE[len++]=c; 180 | c=R.getchar(); 181 | } 182 | LINE[len]='\0'; 183 | if (c==EOF) break; 184 | puts(LINE); 185 | str=LINE; 186 | target->insert(str); 187 | while (c!='\n') c=R.getchar(); 188 | } 189 | } 190 | pthread_mutex_lock(&mutex_chdir); 191 | fs.clear(); 192 | DIR *dir=opendir("."); 193 | dirent *file; 194 | while ((file=readdir(dir))!=NULL) { 195 | char *name=file->d_name; 196 | stat(name,&sts); 197 | if (S_ISDIR(sts.st_mode)) continue; 198 | int flen=strlen(name); 199 | for (len=flen-1;len>=0&&name[len]!='.';len--); 200 | if (len==-1) continue; 201 | str=name+len+1; 202 | if (ext.find(str)==ext.end()) continue; 203 | name[len]='\0'; 204 | str=name; 205 | if (nam.find(str)==nam.end()) continue; 206 | name[len]='.'; 207 | str=name; 208 | fs.push_back(str); 209 | totalSize+=sts.st_size; 210 | } 211 | R.printf("OK\r\nFiles-Count: %d\r\nTotal-Length: %lld\r\n\r\n",fs.size(),totalSize); 212 | for (string filename : fs) { 213 | printf("Sending: %s\n",filename.c_str()); 214 | stat(filename.c_str(),&sts); 215 | R.printf("FILE\r\nFile-Name: %s\r\nStatus: 0\r\nFile-Size: %lld\r\n\r\n",filename.c_str(),sts.st_size); 216 | int lim=sts.st_size/FILEPART_SIZE; 217 | FILE *cfile=fopen(filename.c_str(),"r"); 218 | for (i=0;ic)goto tooMuch;}while(false); 387 | int main(int argc, char **argv) { 388 | int i,j; 389 | if (argc==1) return help(stderr),1; 390 | char *s=argv[1]; 391 | if (!strcmp(s,"start")) { 392 | ensure(2); 393 | if (!connectToDaemon()) { 394 | puts("Lena client is already running."); 395 | close(DAEMON_SOCKET); 396 | return 1; 397 | } 398 | return daemon_main(); 399 | } 400 | if (!strcmp(s,"stop")) { 401 | ensure(2); 402 | if (connectToDaemon()) goto connectFailed; 403 | char op=DOP_KILL; 404 | if (send(DAEMON_SOCKET,&op,1,0)<0) { 405 | reportError("Failed to send the kill command"); 406 | return 1; 407 | } 408 | close(DAEMON_SOCKET); 409 | return 0; 410 | } 411 | if (!strcmp(s,"config")) { 412 | if (argc<3) goto tooLess; 413 | s=argv[2]; 414 | bool get; 415 | if (!strcmp(s,"get")) get=1; 416 | else if (!strcmp(s,"set")) get=0; 417 | else { 418 | fprintf(stderr,"Unrecognized argument:%s\n",s); 419 | return 1; 420 | } 421 | if (get) ensure(4) 422 | else ensure(5) 423 | 424 | const int LENGTH=sizeof(OPTS)/sizeof(OPTS[0]); 425 | for (i=0;i. 18 | */ 19 | 20 | #include "lena.h" 21 | 22 | #include 23 | #include 24 | #include 25 | #include 26 | 27 | #include 28 | #include 29 | #include 30 | 31 | #include 32 | #include 33 | #include 34 | 35 | using namespace std; 36 | 37 | // ========================Main Part======================== 38 | 39 | typedef int socket_t; 40 | typedef unsigned int addr_t; 41 | 42 | socket_t UDP_SOCKET,TCP_SOCKET; 43 | sockaddr_in ServerAddr,ClientAddr,TCPAddr; 44 | socklen_t socklen; 45 | TPacket packet; 46 | bool RE; 47 | 48 | char FILE_BUFFER[FILEPART_SIZE]; 49 | 50 | unordered_map clients; 51 | 52 | inline void reprint() { 53 | printf("\033c");fflush(stdout); 54 | int i=0; 55 | for (auto iter : clients) { 56 | const TClientInfo &info = iter.first; 57 | ++i; 58 | printf("%d: %s | %s | %s | %s\n",i,info.name,info.OS,info.workDir,inet_ntoa((in_addr){iter.second})); 59 | } 60 | } 61 | 62 | void halt(int signo) { 63 | RE = false; 64 | } 65 | 66 | BufferedSocket<1024> R; 67 | int main(int argc, char **args) { 68 | if ((UDP_SOCKET=socket(AF_INET,SOCK_DGRAM,0))<0) { 69 | reportError("Failed to create UDP socket"); 70 | return 1; 71 | } 72 | {int on=1;setsockopt(UDP_SOCKET,SOL_SOCKET,SO_REUSEADDR|SO_BROADCAST,&on,sizeof(on));} 73 | if ((TCP_SOCKET=socket(AF_INET,SOCK_STREAM,0))<0) { 74 | reportError("Failed to create TCP socket"); 75 | return 1; 76 | } 77 | {int on=1;setsockopt(TCP_SOCKET,SOL_SOCKET,SO_REUSEADDR,&on,sizeof(on));} 78 | 79 | socklen=sizeof(sockaddr_in); 80 | ServerAddr.sin_family=AF_INET; 81 | ServerAddr.sin_addr.s_addr=inet_addr(BROAD_ADDR); 82 | // ServerAddr.sin_addr.s_addr=inet_addr("10.92.104.111"); 83 | ServerAddr.sin_port=htons(PORT_CLIENT); 84 | if (::bind(UDP_SOCKET,(sockaddr*)&ServerAddr,socklen)<0) { 85 | reportError("Failed to bind UDP socket"); 86 | return 1; 87 | } 88 | /*TPacket packet; 89 | packet.operation = TPacket::SHOW_TEST_MESSAGE; 90 | strcpy(packet.info.name,"zjy_ak_ioi"); 91 | strcpy(packet.info.workDir,"D:\\TEST"); 92 | strcpy(packet.info.OS,"Windows 10"); 93 | packet.info.useComputerName = false; 94 | if (sendto(UDP_SOCKET,&packet,sizeof(packet),0,(sockaddr*)&ServerAddr,socklen)<0) { 95 | reportError("Failed to send test message"); 96 | return 1; 97 | } 98 | return 0;*/ 99 | 100 | TCPAddr.sin_family=AF_INET; 101 | TCPAddr.sin_port=htons(PORT_CLIENT); 102 | 103 | int ret; 104 | signal(SIGINT,halt); 105 | RE = 1; 106 | while (1) { 107 | ret=recvfrom(UDP_SOCKET,&packet,sizeof(TPacket),0,(sockaddr*)&ClientAddr,&socklen); 108 | addr_t cur = ClientAddr.sin_addr.s_addr; 109 | if (!RE) break; 110 | if (clients.find(packet.info)==clients.end()||clients[packet.info]!=cur) { 111 | clients[packet.info]=cur; 112 | reprint(); 113 | } 114 | } 115 | printf("Input ID: "); 116 | scanf("%d",&ret); 117 | addr_t &ip=TCPAddr.sin_addr.s_addr; 118 | for (auto i : clients) { 119 | ip=i.second; 120 | if (!(--ret)) break; 121 | } 122 | printf("\033c");fflush(stdout); 123 | printf("Connecting to %s\n",inet_ntoa((in_addr){ip})); 124 | if (connect(TCP_SOCKET,(sockaddr*)&TCPAddr,socklen)<0) { 125 | reportError("Failed to connect"); 126 | return 1; 127 | } 128 | puts("Connected successfully, fetching files..."); 129 | strcpy(FILE_BUFFER,"GET\r\nAccept-Name: crazy\r\nAccept-Name: transporter\r\nAccept-Name: fish\r\nAccept-Extension: cpp\r\n\r\n"); 130 | if (send(TCP_SOCKET,FILE_BUFFER,strlen(FILE_BUFFER),0)<0) { 131 | reportError("Failed to fetch"); 132 | return 1; 133 | } 134 | R.socket=TCP_SOCKET; 135 | int c=R.getchar(); 136 | while (c!=EOF) putchar(c),c=R.getchar(); 137 | strcpy(FILE_BUFFER,"DONE\r\n\r\n"); 138 | if (send(TCP_SOCKET,FILE_BUFFER,strlen(FILE_BUFFER),0)<0) { 139 | reportError("Failed to send DONE"); 140 | return 1; 141 | } 142 | 143 | R.close(); 144 | return 0; 145 | } --------------------------------------------------------------------------------