1 files changed, 163 insertions, 0 deletions
diff --git a/source/web/cgi.c b/source/web/cgi.c
new file mode 100644
index 00000000000..56c293985d6
--- /dev/null
+++ b/source/web/cgi.c
@@ -0,0 +1,163 @@
+/* 
+   Unix SMB/Netbios implementation.
+   Version 1.9.
+   some simple CGI helper routines
+   Copyright (C) Andrew Tridgell 1997
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+
+#include "includes.h"
+
+#define MAX_VARIABLES 512
+
+struct var {
+	char *name;
+	char *value;
+};
+
+static struct var variables[MAX_VARIABLES];
+static int num_variables;
+
+
+static int grab_line(int *cl, char *line, int maxsize)
+{
+	int i = 0;
+
+	while ((*cl)) {
+		int c = fgetc(stdin);
+		(*cl)--;
+
+		if (c == EOF) {
+			(*cl) = 0;
+			break;
+		}
+		
+		if (c == '+') {
+			c = ' ';
+		}
+
+		if (c == '\r') continue;
+
+		if (strchr("\n&", c)) break;
+
+		if (c == '%' && (*cl) >= 2) {
+			int c1, c2;
+			c1 = fgetc(stdin);
+			c2 = fgetc(stdin);
+			(*cl) -= 2;
+			if (c1 == EOF || c2 == EOF) break;
+			if (c1 >= '0' && c1 <= '9')
+				c1 = c1 - '0';
+			else if (c1 >= 'A' && c1 <= 'F')
+				c1 = 10 + c1 - 'A';
+			else if (c1 >= 'a' && c1 <= 'f')
+				c1 = 10 + c1 - 'a';
+			else break;
+
+			if (c2 >= '0' && c2 <= '9')
+				c2 = c2 - '0';
+			else if (c2 >= 'A' && c2 <= 'F')
+				c2 = 10 + c2 - 'A';
+			else if (c2 >= 'a' && c2 <= 'f')
+				c2 = 10 + c2 - 'a';
+			else break;
+			
+			c = (c1<<4) | c2;
+		}
+
+		line[i++] = c;
+
+		if (i == maxsize) break;
+	}
+
+	/* now unescape the line */
+	
+
+	line[i] = 0;
+	return 1;
+}
+
+
+/***************************************************************************
+  load all the variables passed to the CGI program
+  ***************************************************************************/
+void cgi_load_variables(void)
+{
+	static pstring line;
+	char *p;	
+	int len;
+
+	if (!(p=getenv("CONTENT_LENGTH"))) return;
+
+	len = atoi(p);
+
+	if (len <= 0) return;
+
+	
+
+	while (len && grab_line(&len, line, sizeof(line)-1)) {		
+		p = strchr(line,'=');
+		if (!p) continue;
+
+		*p = 0;
+
+		variables[num_variables].name = strdup(line);
+		variables[num_variables].value = strdup(p+1);
+		
+		if (!variables[num_variables].name || 
+		    !variables[num_variables].value)
+			continue;
+
+#if 0
+		printf("%s=%s<br>\n", 
+		       variables[num_variables].name,
+		       variables[num_variables].value);
+#endif
+
+		num_variables++;
+		if (num_variables == MAX_VARIABLES) break;
+	}
+
+	fclose(stdin);
+}
+
+
+/***************************************************************************
+  find a variable passed via CGI
+  ***************************************************************************/
+char *cgi_variable(char *name)
+{
+	int i;
+
+	for (i=0;i<num_variables;i++)
+		if (strcmp(variables[i].name, name) == 0)
+			return variables[i].value;
+	return NULL;
+}
+
+
+/***************************************************************************
+  return the value of a CGI boolean variable.
+  ***************************************************************************/
+int cgi_boolean(char *name, int def)
+{
+	char *p = cgi_variable(name);
+
+	if (!p) return def;
+
+	return strcmp(p, "1") == 0;
+}