📄 web-ftpc.c
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/* Copyright 2002 by Anthony Ball ant@web-ftp.org * May be used and redistiributed under the * terms and agreements of the Gnu Public License * This software comes with absolutely no warranty */#include <sys/types.h>#include <sys/socket.h>#include <sys/un.h>#include <unistd.h>#include <stdio.h>#include <stdlib.h>#include <sys/types.h>#include <sys/stat.h>#include <fcntl.h>/*#include <sys/timeb.h>*/void err(const char *msg) { perror(msg); printf("Content-Type: text/html\n\n<HTML><HEAD><TITLE><A HREF=\"http://www.web-ftp.org\">Web-FTP</A> Error</TITLE></HEAD><BODY><H3>Web-FTP: There has been an error:<P><BLOCKQUOTE>%s</BLOCKQUOTE></BODY></HTML>",msg);}int main(int argc, char **argv, char **env) { int sockfd; int len; struct sockaddr_un address; int result; int i = 0; FILE * conf; int bytes; char buf[10240]; char sock[1024]; char basecgi[1024]; /* struct timeb t; struct timeb t2; */ int a,b; /*ftime(&t);*/ sockfd = socket(AF_UNIX, SOCK_STREAM, 0); /* printf("Content-Type: text/plain\n\n");*/ address.sun_family = AF_UNIX; if(!(conf = fopen("webftp/web-ftp.conf","r"))) { if(!(conf = fopen("web-ftp.conf","r"))) { err("Cound not find web-ftp.conf"); exit(1); } } strcpy(basecgi,"web-ftp.cgi"); sock[0] = '\0'; while(fgets(buf,1024,conf)) { int i = 9; int j,k; if(!strncasecmp(buf,"SocketDir",9)) { i=9; while(++i < 1023 && (buf[i] == ' ' || buf[i] == '=') && buf[i] != '\n' && buf[i] != '\r' && buf[i] != '\0'){} k = j = i; while(buf[k] != '\n' && ++k < 1023 && buf[k] != '\n') { if(buf[k] != ' ') j = k+1; } if(j > i) { strncpy(sock,buf+i,j-i); sock[j-i] = '\0'; } } if(!strncasecmp(buf,"BaseCGI",7)) { i=6; while(++i < 1023 && (buf[i] == ' ' || buf[i] == '=') && buf[i] != '\n' && buf[i] != '\r' && buf[i] != '\0'){} k = j = i; while(buf[k] != '\n' && ++k < 1023 && buf[k] != '\n') { if(buf[k] != ' ') j = k+1; } if(j > i) { strncpy(basecgi,buf+i,j-i); basecgi[j-i] = '\0'; } } } fclose(conf); if(sock[0] == '\0') strncpy(sock,"/tmp/WebFTP",1000); strcat(sock,"/"); if(!getenv("PATH_INFO")) { fprintf(stderr, "PATH_INFO not found in environment. May not be running as a cgi\n"); exit(1); } strncat(sock,(char *)getenv("PATH_INFO"),6); strncpy(address.sun_path, sock, sizeof(address.sun_path)); len = sizeof(address); result = connect(sockfd, (struct sockaddr *)&address, len); if(result == -1) { char *i; if(getenv("SCRIPT_NAME")) { strncpy(buf,(char *)getenv("SCRIPT_NAME"),1000); } else { fprintf(stderr, "SCRIPT_NAME not found in environment... may not be running as a cgi"); exit(1); } if((i = rindex(buf,'/')) > 0) i[1] = '\0'; strncat(buf,basecgi,1024-strlen(buf)); perror("Could not connect to socket"); printf("Content-type: text/html<HTML><HEAD><SCRIPT LANGUAGE=JAVASCRIPT>function goToLogin() { setTimeout(\"open('%s','_top')\",5000);}</SCRIPT></HEAD><BODY ONLOAD=\"goToLogin()\"><H2>%s</H2>Sorry, but your session has either timed out, or has aborted due to error, returning you to the <A TARGET=\"_top\" HREF=\"%s\">Login page</A></BODY></HTML>",buf,buf,buf); exit(1); } while(env[i]) { write(sockfd,env[i],strlen(env[i])); write(sockfd,"\n",1); i++; } write(sockfd,"__END_ENV__\n",12); while(bytes = read(fileno(stdin),buf,1024)) { write(sockfd,buf,bytes); } write(sockfd,"\n\n",2); while((bytes = read(sockfd, &buf, 1024)) > 0) { buf[bytes] = '\0'; fwrite(buf,1,bytes,stdout); /* printf was just plain stupid: \0s */ /* printf("%s", buf);*/ } close(sockfd); /* ftime(&t2); a = t2.time - t.time; b = t2.millitm - t.millitm ; if(b < 0) { a--; b+=999; } fprintf(stderr,"C prog took: %d.%03d\n",a,b); */}⌨️ 快捷键说明
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