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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static void
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internal_error( char* reason )
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{
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char* title = "500 Internal Error";
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#if 0
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(void)printf( "
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Status: %sn
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Content-type: text/htmln
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n
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%sn
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%s
n
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Something unusual went wrong during a redirection request:n
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n
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%sn
-
n
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nn", title, title, title, reason );
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#else
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(void)printf("Content-Type: text/htmlnn
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%sn
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n
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n
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%sn
-
n
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n", title, reason);
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#endif
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}
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static void
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not_found( char* script_name )
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{
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char* title = "404 Not Found";
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(void) printf( "
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Status: %sn
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Content-type: text/htmln
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n
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%sn
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%s
n
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The requested filename, %s, is set up to be redirected to another URL;n
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however, the new URL has not yet been specified.n
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n", title, title, title, script_name );
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fflush(stdout);
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}
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//COMSPEC = (null), DOCUMENT_ROOT = (null), GATEWAY_INTERFACE = CGI/1.1, HTTP_ACCEPT = text/html,
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//application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8, HTTP_ACCEPT_ENCODING = gzip, deflate,
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//HTTP_ACCEPT_LANGUAGE = zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3, HTTP_CONNECTION = (null), HTTP_HOST = 192.168.1.1,
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//HTTP_USER_AGENT = Mozilla/5.0 (Windows NT 5.1; rv:20.0) Gecko/20100101 Firefox/20.0,
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//PATH = /usr/local/bin:/usr/ucb:/bin:/usr/bin, QUERY_STRING = T1=1, REMOTE_ADDR = 192.168.1.224,
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//REMOTE_PORT = (null), REQUEST_METHOD = GET, REQUEST_URI = (null), SCRIPT_FILENAME = (null),
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//SCRIPT_NAME = /cgi-bin/phf, SERVER_ADDR = (null), SERVER_ADMIN = (null), SERVER_NAME = OpenWrt,
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//SERVER_PORT = 8081, SERVER_PROTOCOL = HTTP/1.1, SERVER_SIGNATURE = (null), SERVER_SOFTWARE = thttpd/2.25b qiushui_007 V1.1
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//REQUEST_METHOD = GET, REQUEST_URI = (null)
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//REQUEST_METHOD = POST
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void list_argument(void)
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{
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char *env_var[] = {
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"COMSPEC", "DOCUMENT_ROOT", "GATEWAY_INTERFACE",
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"HTTP_ACCEPT", "HTTP_ACCEPT_ENCODING",
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"HTTP_ACCEPT_LANGUAGE", "HTTP_CONNECTION",
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"HTTP_HOST", "HTTP_USER_AGENT", "PATH",
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"QUERY_STRING", "REMOTE_ADDR", "REMOTE_PORT",
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"REQUEST_METHOD", "REQUEST_URI", "SCRIPT_FILENAME",
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"SCRIPT_NAME", "SERVER_ADDR", "SERVER_ADMIN",
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"SERVER_NAME","SERVER_PORT","SERVER_PROTOCOL",
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"SERVER_SIGNATURE","SERVER_SOFTWARE", "CONTENT_LENGTH" };
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char *value, i;
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printf("Content-Type: text/htmlnn");
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printf( "-//W3C//DTD HTML 4.0 Transitional//EN">n" );
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printf( "n" );
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printf( "-Type" CONTENT="text/html; charset=EUC-JP">n" );
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printf( "" CONTENT="no-cache">n" );
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printf( "TESTn" );
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for (i=0; i<25; i++) {
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value = getenv( env_var[i]);
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//printf ( "%s%s%sn","",env_var[i],"" );
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printf ( "%s = %s, ", env_var[i], value);
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}
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printf("n
n");
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//printf("%sn", "Content-Type: text/hmln");
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//fflush(stdout);
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}
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-
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static char* argv0;
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int main( int argc, char* argv[] )
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{
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char *script_name;
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char *path_info;
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char *cp;
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char *str1;
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unsigned char i;
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char *envstr;
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char *method;
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char *envbuf;
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int envlen;
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size_t n;
-
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argv0 = argv[0];
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list_argument();
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-
#if 0
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script_name = getenv( "SCRIPT_NAME" );
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if ( script_name == (char*) 0 )
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{
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internal_error( "Couldn't get SCRIPT_NAME environment variable." );
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exit( 1 );
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}
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//Append the PATH_INFO, if any. This allows redirection of whole directories.
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path_info = getenv( "PATH_INFO" );
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if ( path_info != (char*) 0 )
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{
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cp = (char*) malloc( strlen( script_name ) + strlen( path_info ) + 1 );
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if ( cp == (char*) 0 )
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{
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internal_error( "Out of memory." );
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exit( 1 );
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}
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(void) sprintf( cp, "%s%s", script_name, path_info );
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script_name = cp;
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}
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#endif
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printf( "Content-type: text/htmlnn" );
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printf( "-//W3C//DTD HTML 4.0 Transitional//EN">n" );
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printf( "n" );
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printf( "-Type" CONTENT="text/html; charset=EUC-JP">n" );
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printf( "" CONTENT="no-cache">n" );
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printf( "TESTn" );
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method = getenv("REQUEST_METHOD");
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if( (method != (char*)NULL) && !strcmp( method, "POST" ) )
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{
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printf("== POST REQUEST ==
n");
-
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envstr = getenv("CONTENT_LENGTH");
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if( (envstr != (char*)NULL) && ((envlen=atoi(envstr)) > 0) )
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{
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envbuf = malloc( envlen+1 );
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n = fread( envbuf, 1, envlen, stdin );
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envbuf[n] = '';
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printf("%s
n", envbuf);
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free(envbuf);
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}
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}
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else if( (method != (char*)NULL) && !strcmp( method, "GET" ) ) {
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//printf("== NOT POST REQUEST ==
n");
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envstr = getenv("QUERY_STRING");
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if ( envstr == (char*) 0 ) {
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internal_error( "Couldn't get environment variable: QUERY_STRING" );
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//exit( 1 );
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}
-
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printf("
QUERY_STRING = %s
n", envstr);
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}
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//最后统一
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printf( "nn" );
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return 0;
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}
2. 利用thttpd, 再加上自写的CGI, 移植成功了原先的项目. 图例如下
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