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wbox.c
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wbox.c
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/* Wbox - HTTP fun tool, wirtten by Salvatore 'antirez' Sanfilippo
* Copyright (C) 2006,2007 Salvatore Sanfilippo, antirez@gmail.com
* This softare is released under the following BSD license:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/time.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <errno.h>
#include <ctype.h>
#include <locale.h>
#include <dirent.h>
#include <fcntl.h>
#include "wbsignal.h"
#include "anet.h"
#include "sds.h"
/* Flags */
#define WBOX_NONE 0
#define WBOX_ACCEPT_COMPR 1
#define WBOX_USE_HEAD 2
#define WBOX_USE_HTTP10 4
/* Exit codes */
#define WBOX_EXIT_SUCCESS 0
#define WBOX_EXIT_BADARGS 1
#define WBOX_EXIT_RESOLV 2
#define WBOX_EXIT_CONN 3
#define WBOX_EXIT_IO 4
#define WBOX_EXIT_EOF 5
#define WBOX_EXIT_PROTO 6
/* Useful defines */
#define WBOX_NOTUSED(V) ((void) V)
/* Hardcoded stuff */
#define WBOX_VERSION 5
#define WBOX_DEFAULT_SERVER_PORT 8081
#define WBOX_DEFAULT_MAX_CLIENTS 20
#define WBOX_RECV_BUF (1024*4)
#define WBOX_TIMESPLIT_SAMPLES 40
#define WBOX_COOKIES_MAX 20
/* the ANSI sequence to clear the current line
* and move the curosr on the left */
#define WBOX_ANSI_CLEARLINE "\033[1K\033[G"
static char *htmlheader = "<html><head><title>WBox</title></head><body>"
"<style type=\"text/css\">"
"A.dir {font-weight: bold; color: #1777b1;}"
"h1 {color: #000097;}"
"h2 {color: #c90404;}"
"A {text-decoration:none; color: #000097;}"
"A:visited {text-decoration:none; color: #777777;}"
"#footer {margin-top:15px;}"
"</style>";
static char *htmlfooter= "<div id=\"footer\">Generated by <a href=\"http://hping.org/wbox/\">The <b>WBox</b> HTTP testing tool</a></div></body></html>";
/* Data structures */
typedef struct cookie {
char *name;
char *value;
} cookie;
typedef struct wconfig {
/* Configuration */
char *url;
char *host;
char *webroot;
char *referer;
int dump;
int compr;
int head;
int showhdr;
int wait;
int clients;
int silent;
int timesplit;
int maxreq;
int http10;
int close;
int cookies; /* number of set cookies */
cookie cookie[WBOX_COOKIES_MAX];
/* Server mode configuration */
int servermode;
int serverport;
int maxclients;
/* Runtime state (client mode) */
int mintime, maxtime;
double timesum; /* average = timesum/timesum_samples */
int timesum_samples;
/* Runtime state (server mode) */
volatile sig_atomic_t activeclients;
} wconfig;
typedef struct timesplit {
int time;
int firstbyte;
int lastbyte;
} timesplit;
/* Reply info describes the HTTP reply we get from server */
typedef struct replyinfo {
int code;
char *reason;
int replylen;
int time;
int compr;
int tsamples; /* timesplit samples used */
timesplit tsample[WBOX_TIMESPLIT_SAMPLES];
} replyinfo;
/* Url info describes an URL */
typedef struct urlinfo {
char *proto;
char *domain;
int port;
char *req;
} urlinfo;
/* Request info describes an HTTP request (for server mode) */
#define WBOX_REQ_METHOD_GET 0
#define WBOX_REQ_METHOD_POST 1
#define WBOX_REQ_METHOD_HEAD 2
#define WBOX_REQ_METHOD_OTHER 3
typedef struct reqinfo {
int method;
int protover;
char *file;
} reqinfo;
/* Global vars */
wconfig conf;
/* ---------------------------- support functions --------------------------- */
long long milliseconds(void)
{
struct timeval tmptv;
gettimeofday(&tmptv, NULL);
return ((long long)tmptv.tv_sec*1000)+(tmptv.tv_usec/1000);
}
int strisnumber(char *s) {
while(*s == ' ' || (*s >= '0' && *s <= '9')) s++;
return *s == '\0';
}
static void setlowercase(char *p) {
while(*p) {
*p = tolower(*p);
p++;
}
}
/* string compare, case insensitive */
int strcmpNC(char *s1, char *s2) {
int l1 = strlen(s1);
int l2 = strlen(s2);
while(l1 && l2) {
if (tolower((int)*s1) != tolower((int)*s2))
return tolower((int)*s1)-tolower((int)*s2);
s1++; s2++; l1--; l2--;
}
if (!l1 && !l2) return 0;
return l1-l2;
}
/* sdscat() with plain old url encoding */
static char *sdscaturlencode(char *d, char *s) {
int len = strlen(s);
int i;
for(i = 0; i < len; i++) {
int c = s[i];
if ((c >= 'A' && c <= 'Z') ||
(c >= 'a' && c <= 'z') ||
(c >= '0' && c <= '9'))
{
d = sdscatlen(d,s+i,1);
} else if (c == ' ') {
d = sdscatlen(d,"+",1);
} else if (c == '\n') {
d = sdscatlen(d,"%0d%0a",6);
} else {
char *hexset = "0123456789abcdef";
unsigned int t;
t = (unsigned) c;
d = sdscatlen(d,"%",1);
d = sdscatlen(d,hexset+((t & 0xF0) >> 4),1);
d = sdscatlen(d,hexset+((t & 0x0F) >> 4),1);
}
}
return d;
}
void parseUrl(char *url, urlinfo *ui)
{
char *copy = sdsnew(url), *p, *d;
/* protocol */
p = strstr(copy,"://");
if (!p) {
ui->proto = sdsnew("http");
p = copy;
} else {
*p='\0';
ui->proto = sdsnew(copy);
*p=':';
p += 3; /* skip "://" */
}
/* domain */
d = strchr(p,'/');
if (!d) d = strchr(p,'?');
if (!d) {
ui->domain = sdsnew(p);
d = "\0";
} else {
char saved = *d;
*d = '\0';
ui->domain = sdsnew(p);
*d = saved;
if (*d == '/') d++; /* skip "/" */
}
/* port */
p = strchr(ui->domain,':');
if (!p) {
ui->port = 80;
} else {
*p = '\0';
ui->port = atoi(p+1);
if (ui->port == 0) ui->port = 80;
}
/* request */
ui->req = sdsnew("/");
ui->req = sdscat(ui->req,d);
sdsfree(copy);
}
void freeUrl(urlinfo *ui) {
if (ui->proto) sdsfree(ui->proto);
if (ui->domain) sdsfree(ui->domain);
if (ui->req) sdsfree(ui->req);
}
/* --------------------------------- HTTP client ---------------------------- */
static char *createHttpReq(urlinfo *ui, int flags, cookie *cookie, int numcookies, char *referer)
{
char *r = sdsnew((flags&WBOX_USE_HEAD) ? "HEAD ":"GET ");
int j;
r = sdscat(r, ui->req);
r = sdscat(r, " HTTP/1.");
r = sdscat(r, (flags & WBOX_USE_HTTP10) ? "0" : "1");
r = sdscat(r, "\r\nHost: ");
r = sdscat(r, ui->domain);
if (ui->port != 80) {
r = sdscatprintf(r,":%d",ui->port);
}
r = sdscat(r,"\r\n"
"User-Agent: Mozilla/5.0 Windows; U; Windows NT 5.1; en-US; rv:1.8.1.4) Gecko/20070515 Firefox/2.0.0.4\r\n"
"Accept: text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5\r\n"
"Accept-Language: en-us,en;q=0.5\r\n");
if (flags & WBOX_ACCEPT_COMPR)
r = sdscat(r,"Accept-Encoding: gzip,deflate\r\n");
r = sdscat(r,
"Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\r\n"
"Connection: close\r\n");
for (j = 0; j < numcookies; j++) {
if (j == 0) r = sdscat(r,"Cookie: ");
r = sdscaturlencode(r,cookie[j].name);
r = sdscatlen(r,"=",1);
r = sdscaturlencode(r,cookie[j].value);
if (j+1 != numcookies)
r = sdscatlen(r,"; ",2);
else
r = sdscatlen(r,"\r\n",2);
}
if (referer != NULL) {
r = sdscat(r,"Referer: ");
r = sdscat(r,referer);
r = sdscatlen(r,"\r\n",2);
}
r = sdscat(r,"\r\n");
return r;
}
static int extractReplyInfo(replyinfo *ri, char *buf, int buflen, wconfig *wc)
{
char *hdr = sdsnewlen(buf,buflen); /* make a copy to play with it */
char *code,*reason,*p;
/* Make sure we don't go over the header */
p = strstr(hdr,"\r\n\r\n");
if (p) *p = '\0';
if (wc->showhdr) {
if (!wc->silent) printf("\n");
printf("%s\n",hdr);
if (!wc->silent) printf("\n");
}
ri->compr = strstr(hdr,"Content-Encoding: gzip") != NULL;
/* Some ugly parsing required... */
code = strchr(hdr,' ');
if (!code) goto fmterr;
code++;
reason = strchr(code,' ');
if (!reason) goto fmterr;
*reason = '\0';
reason++;
p = strchr(reason,'\n');
if (!p) goto fmterr;
*p = '\0';
p = strchr(reason,'\r');
if (p) *p = '\0';
/* We can now fill the struct */
ri->code = atoi(code);
ri->reason = sdsnew(reason);
sdsfree(hdr);
return 0;
fmterr:
sdsfree(hdr);
return 1;
}
void initReplyInfo(replyinfo *ri)
{
ri->code = 0;
ri->replylen = 0;
ri->time = 0;
ri->compr = 0;
ri->tsamples = 0;
ri->reason = NULL;
}
void freeReplyInfo(replyinfo *ri)
{
if (ri->reason) sdsfree(ri->reason);
}
void copyReplyInfo(replyinfo *d, replyinfo *s)
{
*d = *s;
if (d->reason) d->reason = sdsdup(s->reason);
}
static int httpRequest(replyinfo *ri, char *ip, urlinfo *ui, wconfig *conf) {
char err[ANET_ERR_LEN];
char *req;
int s, nwritten, totlen, reqflags = WBOX_NONE;
long long stime = milliseconds();
long long tsample_stime = milliseconds();
long long stime_bps = 0; /* used for accurate bandwidth measuring */
initReplyInfo(ri);
/* Connect */
s = anetTcpConnect(err, ip, ui->port);
if (s == ANET_ERR) {
fprintf(stderr, "Opening the connection: %s\n", err);
exit(WBOX_EXIT_CONN);
}
/* Write the HTTP request */
if (conf->compr) reqflags |= WBOX_ACCEPT_COMPR;
if (conf->head) reqflags |= WBOX_USE_HEAD;
if (conf->http10) reqflags |= WBOX_USE_HTTP10;
req = createHttpReq(ui,reqflags,conf->cookie,conf->cookies,conf->referer);
nwritten = write(s, req, sdslen(req));
if (nwritten == -1) {
perror("Sending the HTTP request");
sdsfree(req);
exit(WBOX_EXIT_IO);
}
/* Read the request */
totlen = 0;
while(1) {
char buf[WBOX_RECV_BUF];
int nread;
nread = anetRead(s, buf, WBOX_RECV_BUF);
if (nread == 0) break;
if (nread == -1) {
perror("Reading from socket");
sdsfree(req);
exit(WBOX_EXIT_IO);
}
/* Populare tsamples */
if (conf->timesplit) {
int lastsample = ri->tsamples == WBOX_TIMESPLIT_SAMPLES;
timesplit *ts;
if (lastsample)
ts = &ri->tsample[WBOX_TIMESPLIT_SAMPLES-1];
else
ts = &ri->tsample[ri->tsamples];
ts->time = (lastsample ? ts->time : 0) +
(int) (milliseconds()-tsample_stime);
if (!lastsample) ts->firstbyte = totlen;
ts->lastbyte = totlen+nread-1;
if (!lastsample) ri->tsamples++;
tsample_stime = milliseconds();
}
/* Get HTTP reply header information from the first chunk of data */
if (totlen == 0) extractReplyInfo(ri,buf,nread,conf);
if (conf->dump) {
int lastsample = ri->tsamples == WBOX_TIMESPLIT_SAMPLES;
fwrite(buf,nread,1,stdout);
if (!lastsample && conf->timesplit) {
int idx = ri->tsamples-1;
printf("\n\n-----------------------------------------------\n");
printf("CHUNK TIME INFORMATION: %d-%d -> %d ms\n",
ri->tsample[idx].firstbyte,
ri->tsample[idx].lastbyte,
ri->tsample[idx].time);
printf("-----------------------------------------------\n\n");
}
fflush(stdout);
}
totlen += nread;
if (!conf->dump && !conf->silent && conf->clients <= 1) {
printf(WBOX_ANSI_CLEARLINE);
printf("%d bytes readed",totlen);
if (totlen == WBOX_RECV_BUF*4)
stime_bps = milliseconds();
if (totlen > WBOX_RECV_BUF*4) {
int recvbytes = totlen-WBOX_RECV_BUF*4;
int elapsed = (int) (milliseconds()-stime_bps);
float kbs = ((float)recvbytes*1000/elapsed)/1024;
printf(" (%.2f kbytes/s)",kbs);
}
fflush(stdout);
}
if (conf->close && totlen == nread) break;
}
/* Done, close the socket and calculate timings */
close(s);
sdsfree(req);
ri->time = (int) (milliseconds()-stime);
ri->replylen = totlen;
return 0;
}
/* return 0 for the parent, 1 for the child */
static int spawnChilds(int count)
{
int j;
for(j = 0; j < count; j++) {
pid_t p = fork();
if (p == -1) {
perror("fork");
return 0;
}
if (p == 0) return 1;
}
return 0;
}
static void printTimesplit(replyinfo *ri) {
int j;
for (j = 0; j < ri->tsamples; j++) {
printf(" [%d] %d-%d -> %d ms\n", j,
ri->tsample[j].firstbyte,
ri->tsample[j].lastbyte,
ri->tsample[j].time);
}
}
/* --------------------------------- HTTP server ---------------------------- */
static int parseRequest(char *req, reqinfo *ri) {
char *copy, *r;
char *p;
int noproto = 0;
ri->file = NULL; /* Make it safe to free later */
copy = r = sdsdup(req); /* work with a copy */
p = strchr(r,' ');
if (!p) goto fmterr;
*p = '\0';
setlowercase(r);
if (!strcmp(r,"get")) ri->method = WBOX_REQ_METHOD_GET;
else if (!strcmp(r,"post")) ri->method = WBOX_REQ_METHOD_POST;
else if (!strcmp(r,"head")) ri->method = WBOX_REQ_METHOD_HEAD;
else ri->method = WBOX_REQ_METHOD_OTHER;
r = p+1;
while(*r == ' ') r++;
p = NULL;
(p = strchr(r,' ')) || (p = strchr(r,'\r')) || (p = strchr(r,'\n'));
if (p)
*p = '\0';
else
noproto = 1;
if (r[0] != '/') goto fmterr;
ri->file = sdsnew(r);
ri->protover = 10;
if (!noproto) {
r = p+1;
if ((p = strchr(r,'\n')) != NULL) {
*p = '\0';
if (strstr(r, "HTTP/1.1")) ri->protover = 11;
}
}
sdsfree(copy);
return 0;
fmterr:
sdsfree(copy);
return 1;
}
static void freeReqInfo(reqinfo *ri) {
if (ri->file) sdsfree(ri->file);
}
static void urldecode(char *d, char *s, int n)
{
char *start = d;
if (n < 1) return;
while(*s && n > 1) {
int c = *s;
switch(c) {
case '+': c = ' '; break;
case '%':
if (*(s+1) && *(s+2)) {
int high = toupper(*(s+1));
int low = toupper(*(s+2));
if (high <= '9') high -= '0';
else high = (high - 'A') + 10;
if (low <= '9') low -= '0';
else low = (low - 'A') + 10;
c = (high << 4)+low;
s += 2;
}
break;
}
if (c != ' ' || d != start) {
*d++ = c;
n--;
}
s++;
}
/* Right trim */
*d = '\0';
d--;
while (d >= start && *d == ' ') {
*d = '\0';
d--;
}
}
static char *createFullPath(char *root, char *file) {
char *uefile, *fp, *p;
int len;
uefile = sdsnewlen(NULL,sdslen(file)+1);
urldecode(uefile,file,sdslen(uefile)); /* url decode the original name */
sdsupdatelen(uefile);
fp = sdsnew(root);
fp = sdscat(fp,uefile);
sdsfree(uefile);
while((p=strstr(fp,".."))) {
*p = '_';
*(p+1) = '_';
}
/* Make sure there aren't trailing slashes */
len = sdslen(fp)-1;
while(len >= 1 && fp[len] == '/') fp[len] = '\0';
sdsupdatelen(fp);
return fp;
}
static char *createHttpReply(reqinfo *ri, char *code, char *reason, char *ctype, int len)
{
char date[128];
struct tm *tm;
time_t t;
char *r;
r = sdsnew("HTTP/1.");
r = sdscat(r,ri->protover == 11 ? "1 " :"0 ");
r = sdscat(r,code);
r = sdscat(r," ");
r = sdscat(r,reason);
r = sdscat(r,"\r\n");
t = time(NULL);
tm = gmtime(&t);
strftime(date, 128, "%a, %d %b %Y %H:%M:%S GMT", tm);
r = sdscat(r,"Date: ");
r = sdscat(r,date);
r = sdscatprintf(r, "\r\nServer: WBox %d (http://hping.org/wbox)\r\n",
WBOX_VERSION);
r = sdscat(r,"Content-type: ");
r = sdscat(r,ctype);
if (len != -1)
r = sdscatprintf(r,"\r\nContent-Length: %d",len);
r = sdscat(r,"\r\n\r\n");
return r;
}
static char *sdscatentities(char *d, char *s) {
int len = strlen(s);
int i;
for(i = 0; i < len; i++) {
switch(s[i]) {
case '<': d=sdscatlen(d,"<",4); break;
case '>': d=sdscatlen(d,">",4); break;
case '&': d=sdscatlen(d,"&",5); break;
case '"': d=sdscatlen(d,""",6); break;
default: d=sdscatlen(d,s+i,1); break;
}
}
return d;
}
/* Special version of sdscat() that takes care of special
* chars in filenames having a special meaning for the
* browser (like #). This function also performs HTML entities
* conversion. */
static char *sdscaturl(char *d, char *s) {
char *hexset = "0123456789abcdef";
int len;
int i;
unsigned int t;
/* Entities conversion step */
{
char *new = sdsnew("");
new = sdscatentities(new,s);
s = new;
}
len = strlen(s);
for(i = 0; i < len; i++) {
switch(s[i]) {
case '#':
t = (unsigned) s[i];
d = sdscatlen(d,"%",1);
d = sdscatlen(d,hexset+((t & 0xF0) >> 4),1);
d = sdscatlen(d,hexset+((t & 0x0F) >> 4),1);
break;
default:
d = sdscatlen(d,s+i,1);
break;
}
}
sdsfree(s);
return d;
}
static char *createDirListing(char *path, char *webpath) {
DIR *d;
struct dirent *de;
struct stat sbuf;
char *b;
int onlydirs;
d = opendir(path);
if (d == NULL)
return sdsnew("Can't open the directory...");
b = sdsnew(htmlheader);
b = sdscat(b,"<h1>Index of ");
b = sdscatentities(b,webpath);
b = sdscat(b,"</h1>\n<table class=\"dirindex\">");
for (onlydirs = 1; onlydirs >= 0; onlydirs--) {
while((de = readdir(d))) {
char *filepath, *trname;
int retval, isdir;
char unitchar;
float size;
filepath = sdsdup(path);
filepath = sdscatlen(filepath,"/",1);
filepath = sdscat(filepath,de->d_name);
retval = stat(filepath,&sbuf);
if (retval == -1) {
sdsfree(filepath);
continue;
}
if (access(filepath,R_OK) == -1) {
sdsfree(filepath);
continue;
}
sdsfree(filepath);
isdir = S_ISDIR(sbuf.st_mode);
if (onlydirs != isdir) continue;
if (isdir && de->d_name[0] == '.' && de->d_name[1] == '\0')
continue;
/* File name */
b = sdscat(b,"<tr><td><a href=\"");
trname = sdsnew(de->d_name);
if (sdslen(trname) > 30) {
trname = sdsrange(trname,0,30);
trname = sdscat(trname,"...>");
}
b = sdscaturl(b,de->d_name);
if (isdir) {
b = sdscatlen(b,"/",1);
b = sdscat(b,"\" class=\"dir\">[DIR] ");
} else
b = sdscat(b,"\">");
b = sdscatentities(b,trname);
b = sdscat(b,"</a></td>\n");
sdsfree(trname);
/* File size */
size = sbuf.st_size;
if (size > 1024*1024*1024) {
size /= 1024*1024*1024;
unitchar='G';
} else if (size > 1024*1024) {
size /= 1024*1024;
unitchar='M';
} else if (size > 1024) {
size /= 1024;
unitchar='k';
} else {
unitchar='b';
}
b = sdscat(b,"<td>");
if (size-(int)size)
b = sdscatprintf(b,"%.1f%c",size,unitchar);
else
b = sdscatprintf(b,"%d%c",(int)size,unitchar);
b = sdscat(b,"</td></tr>\n");
}
rewinddir(d);
}
closedir(d);
b = sdscat(b,"</table>\n");
b = sdscat(b,htmlfooter);
return b;
}
static char *guessContentType(char *filename) {
char *p;
p = strrchr(filename,'.');
if (!p) return "text/plain";
p++;
if (!strcmpNC(p,"jpg") || !strcmpNC(p,"jpeg")) return "image/jpeg";
if (!strcmpNC(p,"css")) return "text/css";
if (!strcmpNC(p,"js")) return "text/javascript";
if (!strcmpNC(p,"ico")) return "image/x-icon";
if (!strcmpNC(p,"png")) return "image/png";
if (!strcmpNC(p,"gif")) return "image/gif";
if (!strcmpNC(p,"html")) return "text/html";
if (!strcmpNC(p,"htm")) return "text/html";
if (!strcmpNC(p,"xml")) return "text/plain";
if (!strcmpNC(p,"txt")) return "text/plain";
if (!strcmpNC(p,"c")) return "text/plain";
if (!strcmpNC(p,"rb")) return "text/plain";
if (!strcmpNC(p,"py")) return "text/plain";
if (!strcmpNC(p,"cpp")) return "text/plain";
if (!strcmpNC(p,"c++")) return "text/plain";
if (!strcmpNC(p,"tcl")) return "text/plain";
if (!strcmpNC(p,"pl")) return "text/plain";
if (!strcmpNC(p,"lua")) return "text/plain";
if (!strcmpNC(p,"csv")) return "text/plain";
if (!strcmpNC(p,"pdf")) return "application/pdf";
if (!strcmpNC(p,"mp3")) return "audio/mpeg";
if (!strcmpNC(p,"mpg")) return "video/mpeg";
/* All the rest is binary data... */
return "text/plain";
}
static void serverModeChild(int s, char *ip, int port, wconfig *conf) {
char *req = sdsnew("");
char buf[WBOX_RECV_BUF];
char *fullpath, *reply = NULL;
char *document = NULL;
struct stat sbuf;
reqinfo ri;
/* Read the request */
while(1) {
int nread, len;
nread = read(s,buf,WBOX_RECV_BUF);
if (nread == 0) {
printf("%s:%d EOF from client\n",ip,port);
exit(WBOX_EXIT_IO);
} else if (nread == -1) {
printf("%s:%d reading: %s\n", ip, port, strerror(errno));
exit(WBOX_EXIT_IO);
}
req = sdscatlen(req,buf,nread);
len = sdslen(req);
if (len > 4) {
if (!memcmp(req+(len-2),"\n\n",2) ||
!memcmp(req+(len-4),"\r\n\r\n",4)) break;
}
}
/* Parse it */
if (parseRequest(req,&ri)) {
printf("%s:%d bad request:\n%s\n", ip, port, req);
sdsfree(req);
exit(WBOX_EXIT_PROTO);
}
sdsfree(req);
/* Create the full path of the resource */
fullpath = createFullPath(conf->webroot, ri.file);
/*
printf("Method: %d, file: %s, protover: %d\n",
ri.method, fullpath, ri.protover);
*/
/* Generate the reply */
if (access(fullpath,R_OK) == -1) {
/* 404 */
if (!conf->silent)
printf("%s:%d 404: %s\n", ip, port, fullpath);
reply = createHttpReply(&ri,"404","Not Found","text/html",-1);
reply = sdscat(reply, htmlheader);
reply = sdscat(reply, "<h1>404 Not Found</h1>");
reply = sdscatprintf(reply, "<h2>");
reply = sdscatentities(reply,ri.file);
reply = sdscat(reply," was not found on this server</h2>");
reply = sdscat(reply, htmlfooter);
anetWrite(s,reply,sdslen(reply));
goto cleanup;
}
if (stat(fullpath,&sbuf) == -1) goto cleanup;
if (S_ISDIR(sbuf.st_mode)) {
/* Directory listing */
document = createDirListing(fullpath,ri.file);
reply = createHttpReply(&ri,"200","OK","text/html",sdslen(document));
anetWrite(s,reply,sdslen(reply));
anetWrite(s,document,sdslen(document));
goto cleanup;
} else {
/* Regular file */
char *ctype = guessContentType(ri.file);
char buf[WBOX_RECV_BUF];
int fd;
reply = createHttpReply(&ri,"200","OK",ctype,sbuf.st_size);
anetWrite(s,reply,sdslen(reply));
if ((fd = open(fullpath,O_RDONLY)) == -1) goto cleanup;
while(1) {
int nread;
nread = read(fd,buf,WBOX_RECV_BUF);
if (nread == 0 || nread == -1) break;
if (anetWrite(s,buf,nread) == -1) {
if (!conf->silent)
printf("%s:%d write error\n", ip, port);
break;
}
}
}
cleanup:
sdsfree(document);
sdsfree(reply);
sdsfree(fullpath);
freeReqInfo(&ri);
close(s);
if (!conf->silent)
printf("%s:%d served with success\n", ip, port);
}
static void serverMode(wconfig *conf) {
int server, clientport;
char err[ANET_ERR_LEN], clientip[32];
if (!conf->webroot) {
fprintf(stderr,
"Sorry, you must specify 'webroot <path>' in server mode.\n");
exit(WBOX_EXIT_BADARGS);
}
/* Make sure the webroot does not end with a slash */
{
int wblen = strlen(conf->webroot);
while (wblen && conf->webroot[wblen-1] == '/') {
conf->webroot[wblen-1] = '\0';
wblen--;
}
}
printf("WBOX starting in server mode, port %d, webroot %s\n",
conf->serverport, conf->webroot);
/* Configure the TCP server */
server = anetTcpServer(err,conf->serverport,NULL);
if (server == ANET_ERR) {
fprintf(stderr, "Starting in server mode (port %d): %s\n",
conf->serverport, err);
exit(WBOX_EXIT_IO);
}
while(1) {
pid_t pid;
int fd = anetAccept(err, server, clientip, &clientport);
if (fd == ANET_ERR) {
fprintf(stderr, "Warning, accepting client: %s\n", err);
continue;
}
if (conf->activeclients == conf->maxclients) {
printf("%s:%d closing connection! max number of clients reached (tune this using the maxclients <number> option)\n",clientip,clientport);
close(fd);
continue;
}
if (!conf->silent)
printf("%s:%d connected\n",clientip,clientport);
conf->activeclients++;
pid = fork();
if (pid == -1) {
conf->activeclients--;
perror("fork");
close(fd);
continue;
}
if (pid == 0) {
close(server);
serverModeChild(fd,clientip,clientport,conf);
exit(WBOX_EXIT_SUCCESS);
} else {
if (!conf->silent)
printf("%s:%d handled by process %d\n",clientip,clientport,pid);
close(fd);
}
}
}
/* --------------------------------- Main() & co ---------------------------- */
static void wboxHelp(void) {
printf(
"Usage: wbox <url> [options ...]\n\n"
"options:\n\n"
"<number> - stop after <number> requests\n"
"compr - send Accept-Encoding: gzip,deflate in request\n"
"showhdr - show the HTTP reply header\n"
"dump - show the HTTP reply header + body\n"
"silent - don't show status lines\n"
"head - use the HEAD method instead of GET\n"
"http10 - use HTTP/1.0 instead of HTTP/1.1\n"
"close - close the connection after reading few bytes\n"
"host <hostname> - use <hostname> as Host: field in HTTP request\n"
"timesplit - show transfer times for different data chunks\n"
"wait <number> - wait <number> seconds between requests. Default 1.\n"
"clients <number> - spawn <number> concurrent clients (via fork()).\n"
"referer <url> - Send the specified referer header.\n"
"cookie <name> <val> - Set cookie name=val, can be used multiple times.\n"
"-h or --help - show this help.\n"
"-v - show version.\n"
"\nSERVER MODE\n\n"
"Usage: wbox servermode webroot <path> [serverport <portnumber> (def 8081)]\n\n"
"options:\n\n"
"maxclients <number> - Max concurrent clients in server mode (default 20).\n"
"\nEXAMPLES\n\n"
"wbox wikipedia.org (simplest, basic usage)\n"
"wbox wikipedia.org 3 compr wait 0 (three requests, compression, no delay)\n"
"wbox wikipedia.org 1 showhdr silent (just show the HTTP reply header)\n"
"wbox wikipedia.org timesplit (show splitted time information)\n"
"wbox 1.2.3.4 host example.domain (test a virtual domain at 1.2.3.4)\n"
"wbox servermode webroot /tmp/mydocuments (Try it with http://127.0.0.1:8081)\n"
"\n"
"More docs? there is a tutorial at http://hping.org/wbox\n"
);
}
static void printStats(void) {
printf("--- %d replies received",conf.timesum_samples);
if (conf.timesum_samples) {
printf(", time min/avg/max = %d/%.2f/%d",
conf.mintime,
(float)(conf.timesum/conf.timesum_samples),
conf.maxtime);
}
printf(" ---\n");
}
static void sigHandler(int signum)