增加一个bbsupload.c

#include "BBSLIB.inc"
void show_attach(){
    DIR * dp;
    int i;
    char dir[1024];
    struct dirent * entry;
    struct stat statbuf;
    sprintf(dir,"%s%s/%s",BASEDIR,currentuser.userid,getparm("utmpkey"));

    if((dp=opendir(dir))==NULL){
        printf("没有上传附件<br>\n");
        return;
    }
    printf("<table border=0 cellpadding=0 cellspacing=0 width=100%>");
    printf("<tr><td colspan=3>上传的附件有:<br>\n");
    chdir(dir);
    i=1;
    while((entry=readdir(dp)) != NULL){
        stat(entry->d_name,&statbuf);
        if(strcmp(".",entry->d_name)==0 || strcmp("..",entry->d_name)==0)
            continue;
        
        if(S_ISDIR(statbuf.st_mode))
            continue;
        printf("<tr><td>附件%d：%20.20s   <td>大小：%d字节<td><a href='bbsdelattach?file=%s'>删除该附件</a>\n",i,entry->d_name,file_size(entry->d_name));
        i++;
    }
    printf("</table>");
    chdir(BBSHOME);
    closedir(dp);
}

int main() {
        init_all();
        if(!loginok) http_fatal("匆匆过客无法上传附件");
    if(loginok)
                            modify_mode(u_info,POSTING);//add by everlove
        printf("注意，bbs服务器资源宝贵，为节省空间，请勿上传过大的文件。请勿上传与版面无关的文件。<br>\n");
        printf("目前单个上载文件大小限制为2M字节. <br>\n");
        printf("请遵守国家法律，请勿上载非法资料和可能导致纠纷的资料。<br>\n");
        printf("<form method=post action=/bbsupload.php enctype='multipart/form-data'>\n");
        printf("<table>\n");
    printf("<tr><td colspan=2>\n");
    show_attach();
        printf("<tr><td>上载附件: <td><input type=file name=up_file>&nbsp;");
        printf("<input type=hidden name=MAX_FILE_SIZE value=5000000>");
        printf("<input type=hidden name=userid value='%s'>", currentuser.userid);
    printf("<input type=submit name=submit value='开始上传'>");
        printf("</table>\n");
        printf("</form>");
}
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