//虚拟机上搭建apache服务器上传文件

//1.代码：

#include "stdio.h"

#include "string.h"

#include "stdlib.h"

#include "dirent.h"

#include

#include

static int atoii (char *zzzz)

{

int i = 0;

int num=0;

for(i=0;i<20;i++)

{

if(zzzz[i] >= '0'

&& zzzz[i] <= '9')

{

num =

num * 10 + (zzzz[i] - '0');

}else

{

break;

}

}

return num;

}

char* getCgiData(FILE* fp, char* requestmethod)

{

char* input;

int len;

char *pppp;

int size = 1024;

int i = 0;

if(!strcmp(requestmethod, "GET"))

{

input = getenv("QUERY_STRING");

return input;

}

else if (!strcmp(requestmethod, "POST"))

{

pppp=getenv("CONTENT_LENGTH");

len = atoii(pppp);

input = (char*)malloc(sizeof(char)*(size + 1));

if (len == 0)

{

input[0] = '\0';

return input;

}

fgets(input, len+1, stdin);

input[len]='\0';

return input;

}

return NULL;

}

static unsigned int tmppp=0;

char *getFileName(unsigned char *req)

{

int i;

int leng;

tmppp=0;

char *psz1; char *psz2;

unsigned char

*cur_post,*buf;

// get filename keyword

if ((psz1=strstr(req,

"filename=")) == NULL)

{

return (char

*)&tmppp;

}

// get pointer to actual

filename (it's in quotes)

psz1+=strlen("filename=");

if ((psz1 = strtok(psz1,

"\"")) == NULL)

{

return (char

*)&tmppp;

}

// remove leading path

for both PC and UNIX systems

if ((psz2 =

strrchr(psz1,'\\')) != NULL)

{

psz1 = psz2+1;

}

if ((psz2 =

strrchr(psz1,'/')) != NULL)

{

psz1 = psz2+1;

}

return psz1;

}

main()

{

char *reqMethod;

char *wp;

char *var=NULL;

int len;

long total,i,count;

char

*fileName,*ps1,*ps2;

char *fileN;

char Boundary[256];

char errorBuf[200]="";

char tmpBuf[512];

char

filePath[256]="/usr/local/apache2/webdav/";//directory of uploaded

file

FILE *fileBuf=NULL;

reqMethod=getenv("REQUEST_METHOD");

len=atoii(getenv("CONTENT_LENGTH"));

printf("%s","Content-type:text/html \r\n\r\n");

//printf("

http-equiv=\"Content-Type\"

content=\"text/html;charset=UTF-8\">");

Boundary[0] = '\r';

Boundary[1] = '\n';

Boundary[2] = '\0';

if

(fgets(&Boundary[2], sizeof(Boundary)-2, stdin) ==

NULL)

{

sprintf(errorBuf,"%s","Get boundary failed !");

goto error;

}

//strip terminating CR /

LF

if

((ps1=strchr(&Boundary[2],'\r')) != NULL)

{

*ps1 = '\0';

}

if

((ps1=strchr(&Boundary[2],'\n')) != NULL)

{

*ps1 = '\0';

}

//printf("Boundry=\"%s\"
",Boundary);

//printf("content-length=%d
",len);

fgets(tmpBuf,512,stdin);

//printf("All=%s
",tmpBuf);

fileName=getFileName(tmpBuf);

if(fileName)

{

//printf("fileName=%s
",fileName);

}

strcat(filePath,fileName);

//printf("filepath===%s
",filePath);

memset(tmpBuf,512,0x00);

fgets(tmpBuf,512,stdin);

//printf("%s
",tmpBuf);//content-type

memset(tmpBuf,512,0x00);

fgets(tmpBuf,512,stdin);

//printf("%s
",tmpBuf);// \r\n

if(fopen(filePath,"rb"))

{

sprintf(errorBuf,"%s","File already exist.");

goto error;

}

if ((fileBuf =

fopen(filePath, "wb+")) == NULL)

{

sprintf(errorBuf,"%s","File open error.Make sure

you have the permission.");

goto error;

}

// copy the file

while

((count=fread(tmpBuf, 1, 512, stdin)) != 0)

{

if ((fwrite(tmpBuf, 1, count, fileBuf)) !=

count)

{

sprintf(errorBuf,"%s","Write file error.");

goto

error;

}

}

// re read last 128

bytes of file, handling files < 128 bytes

if ((count =

ftell(fileBuf)) == -1)

{

goto error;

}

if (count

> 128)

{

count = 128;

}

if (fseek(fileBuf,

0-count, SEEK_END) != 0)

{

goto error;

}

// get the new position

if ((total =

ftell(fileBuf)) == -1)

{

goto error;

}

// and read the data

from fileBuf

count = fread(tmpBuf, 1,

sizeof(tmpBuf), fileBuf);

tmpBuf[count] = '\0';

//printf("count=%ld
",count);

// determine offset of

terminating boundary line

for (i=0;

i<=(count); i++)//-(long)strlen(Boundary)

{

//printf("%c",tmpBuf[i]);

if (tmpBuf[i] == Boundary[0])

{

//printf("found /r
");

if(strncmp(Boundary, &tmpBuf[i], strlen(Boundary))

== 0)

{

total+=i;

//  printf("find

boudary.
");

break;

}

}

}

//printf("
i=%ld
",i);

//printf("total=%ld
",total);

if (fseek(fileBuf,total,

SEEK_SET) != 0)

{

goto error;

}

if ((total =

ftell(fileBuf)) == -1)

{

goto error;

}

//printf("total=%ld
",total);

// truncate the

terminating boundary line .

int fd=fileno(fileBuf);

ftruncate(fd,total);

fflush(fileBuf);

error:

if (fileBuf != NULL)

{

fclose(fileBuf);

}

if(errorBuf[0]!='\0')

//打印信息到网页的隐藏的iframe中

printf("",errorBuf);

else

{//printf("file upload

success !
");

printf("

success!');parent.location.replace('upload.html');");

}

return;

}

2. 编译代码

gcc -o upload upload.c

3.网页文件，因无法通过ajax实现无刷新上传文件，只好借用隐藏的

iframe实现。包含有进度条哦！

[html] view plaincopy

?

content="text/html; charset=UTF-8">

content=no-cache>

CONTENT="NO-CACHE">

var time=0;

var delay_time=1000;

var loop_num=0;

function getRefToDivNest(divID, oDoc)

{

if( !oDoc ) { oDoc = document; }

if( document.layers ) {

if( oDoc.layers[divID] )

{ return oDoc.layers[divID]; } else {

for( var x = 0, y; !y

&& x <

oDoc.layers.length; x++ ) {

y =

getRefToDivNest(divID,oDoc.layers[x].document); }

return y; } }

if( document.getElementByIdx ) { return

document.getElementByIdx(divID); }

if( document.all ) { return

document.all[divID]; }

return document[divID];

}

function progressBar( oBt, oBc, oBg, oBa, oWi, oHi, oDr )

{

MWJ_progBar++; this.id = 'MWJ_progBar' +

MWJ_progBar; this.dir = oDr; this.width = oWi; this.height = oHi;

this.amt = 0;

//write the bar as a layer in an ilayer in

two tables giving the border

document.write( '

"progress_div" class = "off" >

border="0" cellspacing="0" cellpadding="'+oBt+'">'+

'

Please

wait...

bgcolor="'+oBc+'">'+

'

cellspacing="0"

cellpadding="0">

height="'+oHi+'" width="'+oWi+'" bgcolor="'+oBg+'">'

);

if( document.layers ) {

document.write(

'

width="'+oWi+'">

bgcolor="'+oBa+'"

name="MWJ_progBar'+MWJ_progBar+'">

'

);

} else {

document.write(

'

'

);

}

document.write(

'

\n'

);

this.setBar = resetBar; //doing this inline

causes unexpected bugs in early NS4

this.setCol = setColour;

}

function resetBar( a, b )

{

//work out the required size and use

various methods to enforce it

this.amt = ( typeof( b ) == 'undefined' ) ?

a : b ? ( this.amt + a ) : ( this.amt - a );

if( isNaN( this.amt ) ) { this.amt = 0; }

if( this.amt > 1 ) { this.amt = 1; } if( this.amt

< 0 ) { this.amt = 0; }

var theWidth = Math.round( this.width * ( (

this.dir % 2 ) ? this.amt : 1 ) );

var theHeight = Math.round( this.height * (

( this.dir % 2 ) ? 1 : this.amt ) );

var theDiv = getRefToDivNest( this.id );

if( !theDiv ) { window.status = 'Progress: ' + Math.round( 100 *

this.amt ) + '%'; return; }

if( theDiv.style ) { theDiv = theDiv.style;

theDiv.clip = 'rect(0px '+theWidth+'px '+theHeight+'px 0px)'; }

var oPix = document.childNodes ? 'px' : 0;

theDiv.width = theWidth + oPix;

theDiv.pixelWidth = theWidth; theDiv.height = theHeight + oPix;

theDiv.pixelHeight = theHeight;

if( theDiv.resizeTo ) { theDiv.resizeTo(

theWidth, theHeight ); }

theDiv.left = ( ( this.dir != 3 ) ? 0 :

this.width - theWidth ) + oPix; theDiv.top = ( ( this.dir != 4 ) ?

0 : this.height - theHeight ) + oPix;

}

function setColour( a )

{

//change all the different colour styles

var theDiv = getRefToDivNest( this.id );

if( theDiv.style ) { theDiv = theDiv.style; }

theDiv.bgColor = a; theDiv.backgroundColor

= a; theDiv.background = a;

}

function show_div(show,id) {

if(show){

document.getElementByIdx(id).style.display  =

"block";

}else{

document.getElementByIdx(id).style.display  =

"none";

}}

function progress()

{if (time < 1){time = time + 0.033;}

else {time = 0;

loop_num++;

}

setTimeout('progress()',delay_time);

myProgBar.setBar(time);

}

function sendClicked(F)

{ if(document.usb_upload.uploadedfile.value == ""){

document.usb_upload.uploadedfile.focus();

alert('File name can not be empty !');

return false;

}

F.submit();

show_div(true, "progress_div");

progress();}

function init(){show_div(0, "progress_div");}

upload

file

enctype="multipart/form-data" action="/cgi-bin/upload"

method="post"

target="hidden_frame">

Select File:

type="file" size="35" name="uploadedfile">

οnclick=sendClicked(this.form) type=button name="Upload"

value="Upload">

style='display:none'>

style='display:none'>

var MWJ_progBar = 0;

var myProgBar = new progressBar(1,'#2e2e2e',

'#2e2e2e','#043db2',300,15,1);

4.效果不错，上传几百兆文件无压力。

转载请注明出处http://blog.csdn.net/fengchao_2009/article/details/7699292