/*
* getcgivars.c - routine to read CGI input variables into an array.
*
- * Jonathan McDowell <noodles@earth.li>
+ * Copyright 2002 Jonathan McDowell <noodles@earth.li>
*
* The x2c() and unescape_url() routines were lifted directly
* from NCSA's sample program util.c, packaged with their HTTPD.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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., 51
+ * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <stdio.h>
#include <string.h>
+#include <strings.h>
#include <stdlib.h>
#include "getcgi.h"
char *ptr = NULL;
char *nextptr = NULL;
- buf[0] = 0;
+ memset(buf, 0, 1024);
ptr = strchr(string, '<');
if (ptr != NULL) {
return buf;
}
+/*
+ * start_html - Start HTML output.
+ * @title: The title for the HTML.
+ *
+ * Takes a title string and starts HTML output, including the
+ * Content-Type header all the way up to <BODY>.
+ */
+void start_html(const char *title)
+{
+ puts("Content-Type: text/html; charset=UTF-8\n");
+ puts("<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 3.2 Final//EN'>");
+ puts("<HTML>");
+ puts("<HEAD>");
+ printf("<TITLE>%s</TITLE>\n", title);
+ puts("</HEAD>");
+ puts("<BODY>");
+
+ return;
+}
+
+/*
+ * end_html - End HTML output.
+ *
+ * Ends HTML output - closes the BODY and HTML tags.
+ */
+void end_html(void)
+{
+ puts("</BODY>");
+ puts("</HTML>");
+
+ return;
+}
+
+
/* Convert a two-char hex string into the char it represents */
-char x2c(char *what)
+char x2c(const char *what)
{
register char digit;
int i;
char *request_method;
int content_length, paircount;
- char *cgiinput;
- char **cgivars;
- char **pairlist;
+ char *cgiinput = NULL;
+ char **cgivars = NULL;
+ char **pairlist = NULL;
char *nvpair,*eqpos;
/* Depending on the request method, read all CGI input into cgiinput */
/* (really should produce HTML error messages, instead of exit()ing) */
- request_method=getenv("REQUEST_METHOD");
+ request_method = getenv("REQUEST_METHOD");
if (request_method == NULL) {
if (argc > 1) {
- cgiinput = argv[1];
+ cgiinput = strdup(argv[1]);
} else {
return NULL;
}
} else if (strlen(request_method)==0) {
return NULL;
- } else if (!strcmp(request_method, "GET") || !strcmp(request_method, "HEAD")) {
+ } else if (!strcmp(request_method, "GET") ||
+ !strcmp(request_method, "HEAD")) {
cgiinput=strdup(getenv("QUERY_STRING"));
} else if (!strcmp(request_method, "POST")) {
if (getenv("CONTENT_TYPE") != NULL &&
}
if (!(content_length = atoi(getenv("CONTENT_LENGTH")))) {
- printf("getcgivars(): No Content-Length was sent with the POST request.\n");
+ printf("getcgivars(): No Content-Length was sent with"
+ " the POST request.\n");
exit(1);
}
if (!(cgiinput= (char *) malloc(content_length+1))) {
- printf("getcgivars(): Could not malloc for cgiinput.\n");
+ printf("getcgivars(): Could not malloc for "
+ "cgiinput.\n");
exit(1);
}
nvpair=strtok(cgiinput, "&");
while (nvpair) {
pairlist[paircount++]= strdup(nvpair) ;
- if (!(paircount%256)) pairlist=(char **) realloc(pairlist,(paircount+256)*sizeof(char **));
+ if (!(paircount%256)) {
+ pairlist=(char **) realloc(pairlist,
+ (paircount+256)*sizeof(char **));
+ }
nvpair=strtok(NULL, "&") ;
}
/* Return the list of name-value strings */
return cgivars;
}
+
+
+/**
+ * cleanupcgi - free the memory allocated for our CGI parameters.
+ * @cgivars: The CGI parameter list to free.
+ *
+ * Frees up the elements of the CGI parameter array and then frees the
+ * array.
+ */
+void cleanupcgi(char **cgivars)
+{
+ int i;
+
+ if (cgivars != NULL) {
+ for (i = 0; cgivars[i] != NULL; i++) {
+ free(cgivars[i]);
+ cgivars[i] = NULL;
+ }
+ free(cgivars);
+ cgivars = NULL;
+ }
+
+ return;
+}
projects / onak.git / blobdiff