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server_options.c
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server_options.c
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//////////////////////////////////////////////////
//
// dir.h
// @Pan Hu 12/29/2014
//
//////////////////////////////////////////////////
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <time.h>
#include "server_options.h"
/*
*
*/
int getParentDir (char parent_dir[], char sub_dir[])
{
int len = strlen(sub_dir);
int i,j;
for (i = len-1; i >= 0; i--)
{
if ( ( *(sub_dir+i) == '/') )
{
if ( i == 0 )
{
*(parent_dir+0) = '/';
break;
}
if ( i != len-1 )
{
for (j = 0; j < i; j++)
{
*(parent_dir+j) = *(sub_dir+j);
}
break;
}
}//if (i =len-1
}//for
*(parent_dir+strlen(parent_dir)) = '\0';
// printf("getParentDir %s\n", parent_dir);
return 0;
}
/*
*
*/
int printDir (int fd, char web_root[], char offset_dir[])
{
DIR *dir;
struct dirent *dirp;
struct stat statbuf;
char buf[DIR_LENGTH];
int num_dir,num_reg;
char msg_head[MAX_BUFFER_SIZE], msg_txt[MAX_BUFFER_SIZE];
memset(buf,0,DIR_LENGTH*sizeof(char));
memset(msg_txt,0,MAX_BUFFER_SIZE*sizeof(char));
memset(msg_head,0,MAX_BUFFER_SIZE*sizeof(char));
//head
sprintf(msg_head, "HTTP/1.1 WEB SERVER\r\n");
sprintf(msg_head, "%sServer: Web Server\r\n",msg_head);
sprintf(msg_head, "%sContent-Type:text/html\r\n",msg_head);
//txt
sprintf(msg_txt, "<html><meta charset=\"UTF-8\">");
sprintf(msg_txt, "%s<head><title>WEB SERVER</title></head>",msg_txt);
sprintf(msg_txt, "%s<body><h1>WEB SERVER</h1>",msg_txt);
if ( strcmp(offset_dir,"/") != 0 )
{
getParentDir(buf,offset_dir);
printf("buf = %s\n", buf);
sprintf(msg_txt,"%s<p><a href=\"/\">根目录: /</a>  <a href=\"%s\">父目录: %s</a></p>",
msg_txt,buf,buf);
}
sprintf(msg_txt, "%s<p>----当前目录: %s</p>",msg_txt,offset_dir);
sprintf(msg_txt,"%s<form action=\"rename.%s\" method=\"get\">", msg_txt,offset_dir);
int len = strlen(offset_dir);
if ( ( *(offset_dir+len-1) == '/') )
{
if (len == 1)
{
offset_dir = "\0";
}
else
{
*(offset_dir+len-1) = '\0';
}
}
char path[DIR_LENGTH];
memset(path, 0, DIR_LENGTH*sizeof(char));
strcpy(path,web_root);
strcat(path,offset_dir);
printf("当前磁盘目录: %s\n", path);
printf("在服务器器中的偏移目录%s\n", offset_dir);
//open dir
if ( (dir = opendir(path)) == NULL )
{
printf("can't open %s", path);
exit(1);
// sprintf(msg_txt, "%s<p>can't open %s</p>",msg_txt,path);
}
//tranvers dir
num_dir = 0;
num_reg = 0;
// <form action="/html" method="get">
//sprintf(msg_txt,"%s<form action=\"rename\" method=\"get\">", msg_txt);
while ( (dirp = readdir(dir)) != NULL)
{
sprintf(buf,"%s/%s",path,dirp->d_name);
if (stat(buf, &statbuf) == -1)
{
printf("Get stat on %s\n", buf);
exit(1);
// sprintf(msg_txt, "%s<p>can't get stat on %s</p>",msg_txt,path);
}
if ( S_ISREG(statbuf.st_mode) )
{
printf("%s\t\t%ld字节\t\t%s\n",dirp->d_name, statbuf.st_size, ctime(&statbuf.st_mtime));
sprintf(msg_txt,"%s<p><a href=\"%s/%s\">%s</a>     %ld -字节  %s",
msg_txt,offset_dir,dirp->d_name,dirp->d_name,statbuf.st_size,ctime(&statbuf.st_mtime));
sprintf(msg_txt,"%s  <a href=\"%s/%s\">下载</a>  <a href=\"%s/%s.\">删除</a>",
msg_txt,offset_dir,dirp->d_name,offset_dir,dirp->d_name);
sprintf(msg_txt,"%s  <input type=\"text\"name=\"%s/%s\"style=\"width:50px\"/>",
msg_txt,offset_dir,dirp->d_name);
sprintf(msg_txt,"%s<input type=\"submit\"value=\"更名\"style=\"width:50px\"/></p>",
msg_txt);//style=\"height:22px;width:50px\"
num_reg++;
}
else
{
if ( strcmp(dirp->d_name,".") && strcmp(dirp->d_name,"..") )
{
printf("%s\t\t文件夹\t\t%s\n",dirp->d_name,ctime(&statbuf.st_mtime));
sprintf(msg_txt,"%s<p><a href=\"%s/%s\">%s</a>  文件夹  %s",
msg_txt,offset_dir,dirp->d_name,dirp->d_name,ctime(&statbuf.st_mtime));
sprintf(msg_txt,"%s  <a href=\"%s/%s\">打开</a>  <a href= \"%s/%s.\">删除</a>",
msg_txt,offset_dir,dirp->d_name,offset_dir,dirp->d_name);
sprintf(msg_txt,"%s  <input type=\"text\"name=\"%s/%s\"style=\"width:50px\"/>",
msg_txt,offset_dir,dirp->d_name);
sprintf(msg_txt,"%s<input type=\"submit\"value=\"更名\"style=\"width:50px\"/></p>",
msg_txt);
num_dir++;
}
}
}//while
sprintf(msg_txt,"%s</form>",msg_txt);
//close dir
closedir(dir);
printf("路径\"%s\"下有%d个目录，%d个文件!\n", path, num_dir, num_reg);
sprintf(msg_txt, "%s<p>当前路径下有%d个目录，%d个文件!</p>",msg_txt,num_dir,num_reg);
sprintf(msg_txt, "%s<form enctype=\"multipart/form-data\" action=\"/\" method=post>\n", msg_txt);
sprintf(msg_txt, "%s<input name=\"uploadFile\" type=\"file\"><br> \n", msg_txt);
sprintf(msg_txt, "%s<input type=\"submit\" value=\"提交\"><input type=reset></form> </body></html>", msg_txt);
sprintf(msg_head,"%sContent-Length:%d\r\n\r\n",msg_head,(int) strlen(msg_txt));
if (send(fd, msg_head, strlen(msg_head), 0) == -1)
{
perror("Send Head Fail --printDir\n");
exit(1);
}
if (send(fd, msg_txt, strlen(msg_txt), 0) == -1)
{
perror("Send Txt Fail --printDir\n");
exit(1);
}
return 0;
}
/*
*
*/
int deteleFiles (int fd, char web_root[], char offset_dir[])
{
int len = strlen(offset_dir);
if ( ( *(offset_dir+len-1) != '.') )
{
printf("_dir%s\n", offset_dir);
printf("The last character is not '.',not delete command\n");
return -1;
}
*(offset_dir+len-1) = '\0';
char path[DIR_LENGTH];
memset(path,0,DIR_LENGTH*sizeof(char));
strcpy(path,web_root);
strcat(path,offset_dir);
printf("delete file %s\n",path);
char parent_dir[DIR_LENGTH] ;
memset(parent_dir,0,DIR_LENGTH*sizeof(char));
getParentDir(parent_dir,offset_dir);
printf("uri %s parent dir %s\n",offset_dir,parent_dir);
if( remove(path) != 0 )
{
perror("delete file error!");
return -1;
}
printDir(fd, web_root, parent_dir);
return 0;
}
// /?/web_server.c=111&/1.html=&/2.html=&/server_options.c=&/web=&/dir.c~=&/server_options.h=&/no=
int getRenameInfo (int fd, char web_root[], char url_link[])
{
char file_tmp[DIR_LENGTH];
memset(file_tmp, 0, DIR_LENGTH*sizeof(char));
char name_tmp[32];
memset(name_tmp, 0, 32*sizeof(char));
char path_tmp[DIR_LENGTH];
memset(path_tmp, 0, DIR_LENGTH*sizeof(char));
char current_path[DIR_LENGTH];
memset(current_path, 0, DIR_LENGTH*sizeof(char));
int i, j;
int pos_equal = 0;
int pos_and = 0;
sscanf(url_link, "%*[^.].%[^?]", current_path);
printf("current path1 %s\n", current_path);
char* seps = ".";
char* token = strtok( current_path, seps );
while( token != NULL )
{
strcpy(current_path,token);
token = strtok( NULL, seps );
}
// memset(current_path, 0, DIR_LENGTH*sizeof(char));
printf("current path2 %s\n", current_path);
char strTmp[DIR_LENGTH];
strcpy(strTmp,url_link);
seps = "/&";
token = strtok( strTmp, seps );
while( token != NULL )
{
/* While there are tokens in "string" */
printf( " %s\n", token );
/* process:get new name */
sscanf(token, "%[^=]=%s", file_tmp, name_tmp); //get file and new name
if (strlen(name_tmp) != 0)
{
printf("file %s\nname %s len= %d\n", file_tmp, name_tmp,strlen(name_tmp));
sprintf(path_tmp,"%s%s/%s",web_root,current_path,file_tmp);
printf("file %s\n", path_tmp);
if ( reName(path_tmp,name_tmp) == 0 )
{
printf("reName%s to %s\n",path_tmp,name_tmp );
}
memset(name_tmp, 0, 32*sizeof(char));
memset(path_tmp, 0, DIR_LENGTH*sizeof(char));
memset(file_tmp, 0, DIR_LENGTH*sizeof(char));
}
/* Get next token: */
token = strtok( NULL, seps );
}
printDir(fd, web_root, current_path);
return 0;
}
int reName(char path[], char name[])
{
if ( rename(path,name) == 0 )
{
return 0;
}
return -1;
}