pjs/webtools/web-sniffer/cgiview.c

446 строки
7.1 KiB
C

/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Web Sniffer.
*
* The Initial Developer of the Original Code is Erik van der Poel.
* Portions created by Erik van der Poel are
* Copyright (C) 1998,1999,2000 Erik van der Poel.
* All Rights Reserved.
*
* Contributor(s):
*/
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "html.h"
#include "http.h"
#include "io.h"
#include "main.h"
#include "mutex.h"
#include "url.h"
#include "utils.h"
#include "view.h"
mutex_t mainMutex;
static char *me = NULL;
static char *passThese[] =
{
"HTTP_USER_AGENT=",
"HTTP_ACCEPT=",
"HTTP_ACCEPT_CHARSET=",
"HTTP_ACCEPT_LANGUAGE=",
NULL
};
void
reportHTTPCharSet(void *a, unsigned char *charset)
{
}
void
reportContentType(void *a, unsigned char *contentType)
{
}
void
reportHTML(void *a, Input *input)
{
View *view;
view = a;
viewHTML(view, input);
}
void
reportHTMLAttributeName(void *a, HTML *html, Input *input)
{
View *view;
view = a;
viewHTMLAttributeName(view, input);
}
void
reportHTMLAttributeValue(void *a, HTML *html, Input *input)
{
URL *url;
View *view;
char *urlstring;
view = a;
if (html->currentAttributeIsURL)
{
url = urlRelative(html->base, html->currentAttribute->value);
urlstring = escapeHTML(url ? (char*) url->url : "");
fprintf(view->out, "<a href=\"%s%s\">", me, urlstring);
free(urlstring);
urlFree(url);
}
viewHTMLAttributeValue(view, input);
if (html->currentAttributeIsURL)
{
fprintf(view->out, "</a>");
}
}
void
reportHTMLTag(void *a, HTML *html, Input *input)
{
View *view;
view = a;
viewHTMLTag(view, input);
}
void
reportHTMLText(void *a, Input *input)
{
View *view;
view = a;
viewHTMLText(view, input);
}
void
reportHTTP(void *a, Input *input)
{
View *view;
view = a;
viewHTTP(view, input);
}
void
reportHTTPBody(void *a, Input *input)
{
View *view;
view = a;
viewHTTP(view, input);
}
void
reportHTTPHeaderName(void *a, Input *input)
{
View *view;
view = a;
viewHTTPHeaderName(view, input);
}
void
reportHTTPHeaderValue(void *a, Input *input, unsigned char *url)
{
View *view;
char *urlstring;
view = a;
if (url)
{
urlstring = escapeHTML(url);
fprintf(view->out, "<a href=\"%s%s\">", me, urlstring);
free(urlstring);
}
viewHTTPHeaderValue(view, input);
if (url)
{
fprintf(view->out, "</a>");
}
}
void
reportStatus(void *a, char *message, char *file, int line)
{
}
void
reportTime(int task, struct timeval *theTime)
{
}
unsigned char **
getHTTPRequestHeaders(View *view, char *host, char *verbose)
{
char **e;
extern char **environ;
int firstLetter;
char **h;
char *p;
char *q;
char **r;
char **ret;
char *scriptName;
char *str;
scriptName = "view.cgi";
e = environ;
while (*e)
{
e++;
}
ret = malloc((e - environ + 1) * sizeof(*e));
if (!ret)
{
return NULL;
}
me = malloc(strlen(scriptName) + strlen(verbose) + 1);
if (!me)
{
return NULL;
}
strcpy(me, scriptName);
strcat(me, verbose);
e = environ;
r = ret;
viewReport(view, "will send these HTTP Request headers:");
while (*e)
{
h = passThese;
while (*h)
{
if (!strncmp(*e, *h, strlen(*h)))
{
break;
}
h++;
}
if (*h)
{
str = malloc(strlen(*e) - 5 + 1 + 1);
if (!str)
{
continue;
}
p = *e + 5;
q = str;
while (*p && (*p != '='))
{
firstLetter = 1;
while (*p && (*p != '=') && (*p != '_'))
{
if (firstLetter)
{
*q++ = *p++;
firstLetter = 0;
}
else
{
*q++ = tolower(*p);
p++;
}
}
if (*p == '_')
{
*q++ = '-';
p++;
}
}
if (*p == '=')
{
p++;
*q++ = ':';
*q++ = ' ';
while (*p)
{
*q++ = *p++;
}
*q = 0;
*r++ = str;
viewReport(view, str);
}
}
e++;
}
str = malloc(6 + strlen(host) + 1);
if (str)
{
strcpy(str, "Host: ");
strcat(str, host);
*r++ = str;
viewReport(view, str);
}
fprintf(view->out, "<hr><br>");
*r = NULL;
return (unsigned char **) ret;
}
int
main(int argc, char *argv[])
{
char *ampersand;
unsigned char *equals;
char *name;
unsigned char *newURL;
char *p;
char *query;
URL *u;
unsigned char *url;
char *verbose;
View *view;
MUTEX_INIT();
url = NULL;
verbose = "?url=";
query = getenv("QUERY_STRING");
view = viewAlloc();
view->out = stdout;
freopen("/dev/null", "w", stderr);
fprintf(view->out, "Content-Type: text/html\n");
fprintf(view->out, "\n");
if (query)
{
p = query;
do
{
name = p;
ampersand = strchr(p, '&');
if (ampersand)
{
*ampersand = 0;
p = ampersand + 1;
}
equals = (unsigned char *) strchr(name, '=');
if (equals)
{
*equals = 0;
if (!strcmp(name, "url"))
{
url = equals + 1;
urlDecode(url);
}
else if (!strcmp(name, "verbose"))
{
verbose = "?verbose=on&url=";
viewVerbose();
}
}
} while (ampersand);
}
else if (argc > 1)
{
url = (unsigned char *) argv[1];
}
else
{
fprintf(view->out, "no environment variable QUERY_STRING<br>\n");
fprintf(view->out, "and no arg passed<br>\n");
return 1;
}
if (url && (*url))
{
fprintf
(
view->out,
"<html><head><title>View %s</title></head>"
"<body><tt><b>\n",
url
);
viewReport(view, "input url:");
viewReport(view, (char *) url);
fprintf(view->out, "<hr><br>");
u = urlParse(url);
if
(
((!u->scheme)||(!strcmp((char *) u->scheme, "http"))) &&
(!u->host) &&
(*url != '/')
)
{
newURL = calloc(strlen((char *) url) + 3, 1);
if (!newURL)
{
viewReport(view, "calloc failed");
return 1;
}
strcpy((char *) newURL, "//");
strcat((char *) newURL, (char *) url);
}
else
{
newURL = copyString(url);
}
urlFree(u);
u = urlParse(newURL);
if
(
(
(!u->scheme) ||
(!strcmp((char *) u->scheme, "http"))
) &&
(!*u->path)
)
{
url = newURL;
newURL = calloc(strlen((char *) url) + 2, 1);
if (!newURL)
{
viewReport(view, "calloc failed");
return 1;
}
strcpy((char *) newURL, (char *) url);
free(url);
strcat((char *) newURL, "/");
}
urlFree(u);
u = urlRelative(
(unsigned char *) "http://www.mozilla.org/index.html",
newURL);
free(newURL);
viewReport(view, "fully qualified url:");
viewReport(view, (char *) u->url);
fprintf(view->out, "<hr><br>");
fflush(view->out);
if (!strcmp((char *) u->scheme, "http"))
{
httpProcess(view, u,
getHTTPRequestHeaders(view, (char *) u->host,
verbose));
}
else
{
fprintf
(
view->out,
"Sorry, %s URLs are not supported yet. "
"Only http URLs are supported.",
u->scheme
);
}
fprintf(view->out, "</b></tt></body></html>\n");
}
else
{
viewReport(view, "no URL or empty URL specified");
}
exit(0);
return 1;
}