087102e66aa75a0062260f3a2d5f7ef1d78fb8bb
1 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
2 /* Prometheus QoS - you can "steal fire" from your ISP */
3 /* "fair-per-IP" quality of service (QoS) utility */
4 /* requires Linux 2.4.x or 2.6.x with HTB support */
5 /* Copyright(C) 2005-2013 Michael Polak, Arachne Aerospace */
6 /* iptables-restore support Copyright(C) 2007-2008 ludva */
7 /* Credit: CZFree.Net,Martin Devera,Netdave,Aquarius,Gandalf */
8 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
10 /* Modified by: xChaos, 20131126
13 Prometheus QoS is free software; you can redistribute it and/or
14 modify it under the terms of the GNU General Public License as
15 published by the Free Software Foundation; either version 2.1 of
16 the License, or (at your option) any later version.
18 Prometheus QoS is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 General Public License for more details.
23 You should have received a copy of the GNU General Public License
24 along with Prometheus Qos; if not, write to the Free Software
25 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
27 GNU General Public License is located in file COPYING */
29 #include "cll1-0.6.2.h"
32 const char *version
= "0.8.3-j";
34 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
35 /* Versions: 0.8.3 is development release, 0.8.4 will be "stable" */
36 /* Official Trac URL: https://dev.arachne.cz/svn/prometheus */
37 /* Official SVN URL: https://dev.arachne.cz/repos/prometheus */
38 /* BTC donations account: 19rriLx8vR19wGefPaMhakqnCYNYwjLvxq */
39 /* CZK donations account: 2900242944/2010 (transparent account) */
40 /* Warning: unofficial Github mirror is not supported by author! */
41 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
43 const char *stats_html_signature
= "<span class=\"small\">Statistics generated by Prometheus QoS version %s<br />GPL+Copyright(C)2005-2013 Michael Polak, <a target=\"_blank\" href=\"http://www.arachne.cz/\">Arachne Labs</a></span>\n";
48 /* ======= All path names are defined here (for RPM patch) ======= */
50 const char *tc
= "/sbin/tc"; /* requires tc with HTB support */
51 const char *iptables
= "/sbin/iptables"; /* requires iptables utility */
52 const char *ip6tables
= "/sbin/ip6tables"; /* requires iptables utility */
53 const char *iptablessave
= "/sbin/iptables-save"; /* not yet required */
54 const char *iptablesrestore
= "/sbin/iptables-restore"; /* requires iptables-restore */
55 const char *ip6tablessave
= "/sbin/ip6tables-save"; /* not yet required */
56 const char *ip6tablesrestore
= "/sbin/ip6tables-restore"; /* requires iptables-restore */
57 const char *ls
= "/bin/ls"; /* this is not user configurable :-) */
59 char *config
= "/etc/prometheus/prometheus.conf"; /* main configuration file */
60 char *hosts
= "/etc/prometheus/hosts"; /* per-IP bandwidth definition file */
61 char *iptablesfile
= "/var/spool/prometheus.iptables"; /* temporary file for iptables-restore*/
62 char *ip6tablesfile
= "/var/spool/prometheus.ip6tables"; /* temporary file for ip6tables-restore*/
63 char *credit
= "/var/lib/misc/prometheus.credit"; /* credit log file */
64 char *classmap
= "/var/lib/misc/prometheus.classes"; /* credit log file */
65 char *html
= "/var/www/traffic.html"; /* hall of fame - html version */
66 char *preview
= "/var/www/preview.html"; /* hall of fame preview - html version */
67 char *json_traffic
= "/var/www/logs/traffic.json"; /* hall of fame - json version */
68 char *json_preview
= "/var/www/logs/preview.json"; /* hall of fame preview - json version */
69 char *cmdlog
= "/var/log/prometheuslog"; /* command log filename */
70 char *log_dir
= "/var/www/logs/"; /* log directory pathname, ended with slash */
71 char *log_url
= "/logs/"; /* log directory relative URI prefix (partial URL) */
72 char *html_log_dir
= "/var/www/logs/html/";
74 char *jquery_url
= "http://code.jquery.com/jquery-latest.js";
75 char *lms_url
= "/lms/?m=customerinfo&id=";
76 int use_jquery_popups
= TRUE
;
77 int row_odd_even
= 0; /*<tr class="odd/even"> */
79 /* === Configuraration file values defaults - stored in global variables ==== */
81 int filter_type
= 1; /*1 mark, 2 classify*/
82 char *final_chain
= "DROP"; /* REJECT would be better, but it is impossible in mangle */
84 char *mark_iptables
= "MARK --set-mark ";
85 int dry_run
= FALSE
; /* preview - use puts() instead of system() */
86 char *iptablespreamble
= "*mangle\n:PREROUTING ACCEPT [0:0]\n:POSTROUTING ACCEPT [0:0]\n:INPUT ACCEPT [0:0]\n:OUTPUT ACCEPT [0:0]\n:FORWARD ACCEPT [0:0]";
87 char *ip6preamble
= "-A FORWARD -p ipv6-icmp -j ACCEPT\n-A POSTROUTING -p ipv6-icmp -j ACCEPT\n-A FORWARD -s fe80::/10 -j ACCEPT\n-A FORWARD -d ff00::/8 -j ACCEPT\n-A POSTROUTING -s fe80::/10 -j ACCEPT\n-A POSTROUTING -d ff00::/8 -j ACCEPT";
88 FILE *iptables_file
= NULL
;
89 FILE *ip6tables_file
= NULL
;
90 int enable_credit
= TRUE
; /* enable credit file */
91 int use_credit
= FALSE
; /* use credit file (if enabled)*/
92 char *title
= "Hall of Fame - Greatest Suckers"; /* hall of fame title */
93 int hall_of_fame
= TRUE
; /* enable hall of fame */
94 char *lan
= "eth0"; /* LAN interface */
95 char *lan_medium
= "100Mbit"; /* 10Mbit/100Mbit ethernet */
96 char *wan
= "eth1"; /* WAN/ISP interface */
97 char *ip6prefix
= NULL
; /* Prefix for global /48 IPv6 subnet */
98 char *wan_medium
= "100Mbit"; /* 10Mbit/100Mbit ethernet */
99 char *qos_leaf
= "sfq perturb 5"; /* leaf discipline */
100 char *qos_free_zone
= NULL
; /* QoS free zone */
101 /* int qos_proxy = TRUE; include proxy port to QoS */
102 int found_lmsid
= FALSE
; /* show links to users in LMS information system */
103 int include_upload
= TRUE
; /* upload+download=total traffic */
104 /* char *proxy_ip = "192.168.1.1/32"; our IP with proxy port */
105 /* int proxy_port = 3128; proxy port number */
106 long long int line
= 1024; /* WAN/ISP download in kbps */
107 long long int up
= 1024; /* WAN/ISP upload in kbps */
108 int free_min
= 256; /* minimum guaranted bandwidth for all undefined hosts */
109 int free_max
= 512; /* maximum allowed bandwidth for all undefined hosts */
110 int overlimit_min
= 256; /* minimum guaranted bandwidth for all undefined hosts */
111 int overlimit_max
= 512; /* maximum allowed bandwidth for all undefined hosts */
112 int qos_free_delay
= 0; /* seconds to sleep before applying new QoS rules */
113 int digital_divide
= 2; /* controls digital divide weirdness ratio, 1...3 */
114 int max_nesting
= 3; /* maximum nesting of HTB clases, built-in maximum seems to be 4 */
115 int htb_r2q
= 256; /* should work for leaf values 512 kbps to 8 Mbps */
116 int burst
= 8; /* HTB burst (in kbits) */
118 int burst_group
= 32;
119 int magic_treshold
= 8; /* reduce ceil by X*magic_treshhold kbps (hard shaping) */
120 int keywordcount
= 0;
123 FILE *log_file
= NULL
;
124 char *kwd
= "via-prometheus"; /* /etc/hosts comment, eg. #qos-64-128 */
126 const int highest_priority
= 0; /* highest HTB priority (HTB built-in value is 0) */
127 const int lowest_priority
= 7; /* lowest HTB priority (HTB built-in value is 7) */
128 const int idxtable_treshold1
= 24; /* this is no longer configurable */
129 const int idxtable_treshold2
= 12; /* this is no longer configurable */
130 const int idxtable_bitmask1
= 3; /* this is no longer configurable */
131 const int idxtable_bitmask2
= 3; /* this is no longer configurable */
133 struct IP
*ips
= NULL
, *networks
= NULL
, *ip
, *sharedip
;
134 struct Group
*groups
= NULL
, *group
;
135 struct Keyword
*keyword
, *defaultkeyword
=NULL
, *keywords
=NULL
;
138 #define OVERLIMIT_CLASS 4
141 /* implemented in help.c */
143 void get_traffic_statistics(const char *whichiptables
, int ipv6
);
144 /* implemented in parseiptables.c */
146 void parse_ip_log(int argc
, char **argv
);
147 /* implemented in parselog.c */
149 void parse_hosts(char *hosts
);
150 /* implemented in parsehosts.c */
152 void write_json_traffic(char *json
);
153 /* implemented in json.c */
155 void write_htmlandlogs(char *html
, char *d
, int total
, int just_preview
);
156 /* implemented in htmlandlogs.c */
158 void analyse_topology(char *traceroute
);
159 /* implemented in networks.c */
162 const char *tr_odd_even(void)
164 row_odd_even
= 1 - row_odd_even
;
167 return "<tr class=\"even\">\n";
171 return "<tr class=\"odd\">\n";
175 /* ==== This is C<<1 stuff - learn C<<1 first! https://dev.arachne.cz/svn/cll1h ==== */
176 /* (except that this code uses obsolete, archaic version of this header file...) */
182 struct Index
*parent
;
187 } *idxs
=NULL
, *idx
, *metaindex
;
190 /* ====== iptables indexes are used to reduce complexity to log8(N) ===== */
192 char *index_id(char *ip
, int bitmask
);
193 /* function implemented in ipv4subnets.c */
195 char *subnet_id(char *ip
, int bitmask
);
196 /* function implemented in ipv4subnets.c */
198 char *index6_id(char *ip
, int bitmask
);
199 /* function implemented in ipv6subnets.c */
201 char *subnet6_id(char *ip
, int bitmask
);
202 /* function implemented in ipv6subnets.c */
204 /* ================= Let's parse configuration file here ================ */
206 void reject_config_and_exit(char *filename
)
208 printf("Configuration file %s rejected - abnormal exit.",filename
);
212 void get_config(char *config_filename
)
216 printf("Configured keywords: ");
217 parse(config_filename
)
219 option("keyword",kwd
);
224 create(keyword
,Keyword
);
226 keyword
->asymetry_ratio
= 1; /* ratio for ADSL-like upload */
227 keyword
->asymetry_fixed
= 0; /* fixed treshold for ADSL-like upload */
228 keyword
->data_limit
= 8; /* hard shaping: apply magic_treshold if max*data_limit MB exceeded */
229 keyword
->data_prio
= 4; /* soft shaping (qos): reduce HTB prio if max*data_prio MB exceeded */
230 keyword
->fixed_limit
= 0; /* fixed data limit for setting lower HTB ceil */
231 keyword
->fixed_prio
= 0; /* fixed data limit for setting lower HTB prio */
232 keyword
->reserve_min
= 8; /* bonus for nominal HTB rate bandwidth (in kbps) */
233 keyword
->reserve_max
= 0; /* malus for nominal HTB ceil (in kbps) */
234 keyword
->default_prio
= highest_priority
+1;
235 keyword
->html_color
= "000000";
236 keyword
->ip_count
= 0;
237 keyword
->leaf_discipline
= "";
238 keyword
->allowed_avgmtu
= 0;
240 push(keyword
,keywords
);
243 defaultkeyword
= keyword
;
251 for_each(keyword
,keywords
)
253 int l
=strlen(keyword
->key
);
255 if(!strncmp(keyword
->key
,_
,l
) && strlen(_
)>l
+2)
257 char *tmptr
=_
; /* <---- l+1 ----> */
258 _
+=l
+1; /* via-prometheus-asymetry-ratio, etc. */
259 ioption("asymetry-ratio", keyword
->asymetry_ratio
);
260 ioption("asymetry-treshold", keyword
->asymetry_fixed
);
261 ioption("magic-relative-limit", keyword
->data_limit
);
262 ioption("magic-relative-prio", keyword
->data_prio
);
263 loption("magic-fixed-limit", keyword
->fixed_limit
);
264 loption("magic-fixed-prio", keyword
->fixed_prio
);
265 ioption("htb-default-prio", keyword
->default_prio
);
266 ioption("htb-rate-bonus", keyword
->reserve_min
);
267 ioption("htb-ceil-malus", keyword
->reserve_max
);
268 option("leaf-discipline", keyword
->leaf_discipline
);
269 option("html-color", keyword
->html_color
);
270 ioption("allowed-avgmtu" ,keyword
->allowed_avgmtu
);
273 if(keyword
->data_limit
|| keyword
->fixed_limit
||
274 keyword
->data_prio
|| keyword
->fixed_prio
)
283 option("iptables",iptables
);
284 option("iptables-save",iptablessave
);
285 option("iptables-restore",iptablesrestore
);
286 option("ip6tables",ip6tables
);
287 option("ip6tables-save",ip6tablessave
);
288 option("ip6tables-restore",ip6tablesrestore
);
289 option("iptables-in-filename",iptablesfile
);
290 option("ip6tables-in-filename",ip6tablesfile
);
291 option("hosts",hosts
);
292 option("lan-interface",lan
);
293 option("wan-interface",wan
);
294 option("ip6-prefix",ip6prefix
);
295 option("lan-medium",lan_medium
);
296 option("wan-medium",wan_medium
);
297 lloption("wan-download",line
);
298 lloption("wan-upload",up
);
299 ioption("hall-of-fame-enable",hall_of_fame
);
300 option("hall-of-fame-title",title
);
301 option("hall-of-fame-filename",html
);
302 option("json-filename",json_traffic
);
303 option("hall-of-fame-preview",preview
);
304 option("json-preview",json_preview
);
305 option("log-filename",cmdlog
);
306 option("credit-filename",credit
);
307 option("classmap-filename",classmap
);
308 ioption("credit-enable",enable_credit
);
309 option("log-traffic-directory",log_dir
);
310 option("log-traffic-html-directory",html_log_dir
);
311 option("log-traffic-url-path",log_url
);
312 option("jquery-url",jquery_url
);
313 option("lms-url",lms_url
);
314 ioption("use-jquery-popups",use_jquery_popups
);
315 option("qos-free-zone",qos_free_zone
);
316 ioption("qos-free-delay",qos_free_delay
);
317 /* ioption("qos-proxy-enable",qos_proxy); */
318 /* option("qos-proxy-ip",proxy_ip);*/
319 option("htb-leaf-discipline",qos_leaf
);
320 /* ioption("qos-proxy-port",proxy_port); */
321 ioption("free-rate",free_min
);
322 ioption("free-ceil",free_max
);
323 ioption("overlimit-rate",overlimit_min
);
324 ioption("overlimit-ceil",overlimit_max
);
325 ioption("htb-burst",burst
);
326 ioption("htb-burst-main",burst_main
);
327 ioption("htb-burst-group",burst_group
);
328 ioption("htb-nesting-limit",max_nesting
);
329 ioption("htb-r2q",htb_r2q
);
330 ioption("magic-include-upload",include_upload
);
331 ioption("magic-treshold",magic_treshold
);
332 option("filter-type", cnf
);
333 /* not yet implemented:
334 ioption("magic-fixed-packets",fixed_packets);
335 ioption("magic-relative-packets",packet_limit);
340 perror(config_filename
);
341 puts("Warning - using built-in defaults instead ...");
343 done
; /* ugly macro end */
346 /* leaf discipline for keywords */
347 for_each(keyword
,keywords
)
349 if(!strcmpi(keyword
->leaf_discipline
, ""))
351 keyword
->leaf_discipline
= qos_leaf
;
355 if(strcmpi(cnf
, "mark"))
359 mark_iptables
= "CLASSIFY --set-class 1:";
365 mark_iptables
= "MARK --set-mark ";
368 /* are supplied values meaningful ?*/
371 puts("Illegal value of LAN or WAN bandwidth: 0 kbps.");
372 reject_config_and_exit(config_filename
);
377 /* ========== This function executes, logs OR ALSO prints command ========== */
379 void safe_run(char *cmd
)
383 printf("\n=>%s\n",cmd
);
391 fprintf(log_file
,"%s\n",cmd
);
395 void iptables_save_line(char *line
, int ipv6
)
399 fprintf(ip6tables_file
,"%s\n",line
);
403 fprintf(iptables_file
,"%s\n",line
);
407 void run_iptables_restore(void)
410 string(restor
,STRLEN
);
412 /*-----------------------------------------------------------------*/
413 printf("Running %s <%s ...\n", iptablesrestore
, iptablesfile
);
414 /*-----------------------------------------------------------------*/
416 iptables_save_line("COMMIT", FALSE
);
417 fclose(iptables_file
);
424 done
; /* ugly macro end */
427 sprintf(restor
,"%s <%s",iptablesrestore
, iptablesfile
);
432 /*-----------------------------------------------------------------*/
433 printf("Running %s <%s ...\n", ip6tablesrestore
, ip6tablesfile
);
434 /*-----------------------------------------------------------------*/
435 iptables_save_line("COMMIT", TRUE
);
436 fclose(ip6tables_file
);
443 done
; /* ugly macro end */
445 sprintf(restor
,"%s <%s",ip6tablesrestore
, ip6tablesfile
);
451 char *parse_datafile_line(char *str
)
453 char *ptr
=strchr(str
,' ');
468 /*-----------------------------------------------------------------*/
469 /* Are you looking for int main(int argc, char **argv) ? :-)) */
470 /*-----------------------------------------------------------------*/
474 int i
=0; /* just plain old Fortran style integer :-) */
475 FILE *f
=NULL
; /* everything is just stream of bytes... */
476 char *str
, *ptr
, *d
; /* LET A$=B$ :-) */
477 char *substring
, *limit_pkts
;
480 int just_networks
= FALSE
;
481 int just_flush
= FALSE
; /* deactivates all previous actions */
483 int just_preview
= FALSE
; /* preview - generate just stats */
484 int start_shaping
= FALSE
; /* apply FUP - requires classmap file */
485 int stop_shaping
= FALSE
; /* lift FUP - requires classmap file */
486 int reduce_ceil
= 0; /* allow only rate+(ceil-rate)/2, /4, etc. */
487 int just_logs
= FALSE
; /* just parse logs */
491 char *chain_forward
, *chain_postrouting
;
495 Prometheus QoS - \"fair-per-IP\" Quality of Service setup utility.\n\
496 Version %s - Copyright (C)2005-2013 Michael Polak, Arachne Labs\n\
497 iptables-restore & burst tunning & classify modification by Ludva\n\
498 Credit: CZFree.Net, Martin Devera, Netdave, Aquarius, Gandalf\n\n",version
);
500 /*----- Boring... we have to check command line options first: ----*/
503 argument("-c") { nextargument(config
); }
504 argument("-h") { nextargument(althosts
);}
505 argument("-d") { run
=TRUE
; dry_run
=TRUE
; }
506 argument("-f") { run
=TRUE
; just_flush
=TRUE
; }
507 argument("-9") { run
=TRUE
; just_flush
=9; }
508 argument("-p") { run
=TRUE
; just_preview
=TRUE
; }
509 argument("-q") { run
=TRUE
; just_preview
=TRUE
; stop_shaping
=TRUE
; }
510 argument("-2") { run
=TRUE
; just_preview
=TRUE
; reduce_ceil
=2; }
511 argument("-4") { run
=TRUE
; just_preview
=TRUE
; reduce_ceil
=4; }
512 argument("-s") { run
=TRUE
; just_preview
=TRUE
; start_shaping
=TRUE
; }
513 argument("-r") { run
=TRUE
; }
514 argument("-n") { run
=TRUE
; nodelay
=TRUE
; }
515 argument("-a") { run
=TRUE
; just_networks
=TRUE
; }
516 argument("-l") { just_logs
=TRUE
; }
517 argument("-m") { just_logs
=TRUE
; }
518 argument("-y") { just_logs
=TRUE
; }
519 argument("-?") { help(); exit(0); }
520 argument("--help") { help(); exit(0); }
521 argument("-v") { exit(0); }
522 argument("--version") { exit(0); }
527 puts("*** THIS IS JUST DRY RUN ! ***\n");
530 date(d
); /* this is typical cll1.h macro - prints current date */
532 /*-----------------------------------------------------------------*/
533 printf("Parsing configuration file %s ...\n", config
);
534 /*-----------------------------------------------------------------*/
539 parse_ip_log(argc
,argv
);
555 /*-----------------------------------------------------------------*/
556 puts("Parsing iptables verbose output ...");
557 /*-----------------------------------------------------------------*/
558 get_traffic_statistics(iptables
, FALSE
);
561 /*-----------------------------------------------------------------*/
562 puts("Parsing ip6tables verbose output ...");
563 /*-----------------------------------------------------------------*/
564 get_traffic_statistics(ip6tables
, TRUE
);
568 /*-----------------------------------------------------------------*/
569 /* cll1.h - let's allocate brand new character buffer... */
570 /*-----------------------------------------------------------------*/
572 string(limit_pkts
, STRLEN
);
574 /*-----------------------------------------------------------------*/
575 printf("Parsing class defintion file %s ...\n", hosts
);
576 /*-----------------------------------------------------------------*/
580 analyse_topology("/usr/sbin/traceroute -n -m 10 -w 2 %s.%d");
584 /*-----------------------------------------------------------------*/
585 puts("Resolving shared connections ...");
586 /*-----------------------------------------------------------------*/
587 for_each(ip
, ips
) if(ip
->sharing
)
589 for_each(sharedip
, ips
) if(eq(sharedip
->name
, ip
->sharing
))
591 sharedip
->traffic
+= ip
->traffic
;
593 ip
->mark
= sharedip
->mark
;
594 ip
->lmsid
= sharedip
->lmsid
;
595 ip
->pps_limit
= sharedip
->pps_limit
; /* no other way to do this */
600 printf("Unresolved shared connection: %s %s sharing-%s\n",
601 ip
->addr
, ip
->name
, ip
->sharing
);
605 if(enable_credit
&& just_flush
<9)
607 /*-----------------------------------------------------------------*/
608 printf("Parsing credit file %s ...\n", credit
);
609 /*-----------------------------------------------------------------*/
612 ptr
=parse_datafile_line(_
);
615 if_exists(ip
,ips
,eq(ip
->addr
,_
))
617 sscanf(ptr
,"%Lu",&(ip
->credit
));
621 done
; /* ugly macro end */
626 /*-----------------------------------------------------------------*/
627 puts("Initializing iptables and tc classes ...");
628 /*-----------------------------------------------------------------*/
630 iptables_file
= fopen(iptablesfile
, "w");
631 if(iptables_file
== NULL
)
633 perror(iptablesfile
);
636 iptables_save_line(iptablespreamble
, FALSE
);
640 ip6tables_file
= fopen(ip6tablesfile
, "w");
641 if(ip6tables_file
== NULL
)
643 perror(ip6tablesfile
);
646 iptables_save_line(iptablespreamble
, TRUE
);
647 iptables_save_line(ip6preamble
, TRUE
);
650 run_iptables_restore();
652 log_file
= fopen(cmdlog
, "w");
659 sprintf(str
,"%s qdisc del dev %s root 2>/dev/null",tc
,lan
);
662 sprintf(str
,"%s qdisc del dev %s root 2>/dev/null",tc
,wan
);
665 iptables_file
=fopen(iptablesfile
,"w");
666 iptables_save_line(iptablespreamble
, FALSE
);
669 ip6tables_file
=fopen(ip6tablesfile
,"w");
670 iptables_save_line(iptablespreamble
, TRUE
);
671 iptables_save_line(ip6preamble
, TRUE
);
674 if(qos_free_zone
&& *qos_free_zone
!='0') /* this is currently supported only for IPv4 */
678 sprintf(str
,"-A FORWARD -d %s -o %s -j ACCEPT", qos_free_zone
, wan
);
679 iptables_save_line(str
, FALSE
); /* this is currently supported only for IPv4 */
684 iptables_save_line(":post_noproxy - [0:0]", FALSE);
685 sprintf(str,"-A POSTROUTING ! -p tcp -o %s -j post_noproxy", lan);
686 iptables_save_line(str , FALSE);
687 sprintf(str,"-A POSTROUTING ! -s %s -o %s -j post_noproxy", proxy_ip, lan);
688 iptables_save_line(str, FALSE);
689 sprintf(str,"-A POSTROUTING -s %s -p tcp ! --sport %d -o %s -j post_noproxy", proxy_ip, proxy_port, lan);
690 iptables_save_line(str, FALSE);
692 chain="post_noproxy";
698 chain
= "POSTROUTING";
701 sprintf(str
,"-A %s -s %s -o %s -j ACCEPT", chain
, qos_free_zone
, lan
);
702 iptables_save_line(str
, FALSE
);
705 if(ip_count
> idxtable_treshold1
&& !just_flush
)
707 int idxcount
=0, bitmask
=32-idxtable_bitmask1
;
709 /*-----------------------------------------------------------------*/
710 printf("Detected %d addresses - indexing iptables rules to improve performance...\n",ip_count
);
711 /*-----------------------------------------------------------------*/
713 iptables_save_line(":post_common - [0:0]", FALSE
);
714 iptables_save_line(":forw_common - [0:0]", FALSE
);
717 iptables_save_line(":post_common - [0:0]", TRUE
);
718 iptables_save_line(":forw_common - [0:0]", TRUE
);
721 for_each(ip
,ips
) if(ip
->addr
&& *(ip
->addr
) && !eq(ip
->addr
,"0.0.0.0/0"))
725 buf
=index6_id(ip
->addr
,bitmask
+32);
729 buf
=index_id(ip
->addr
, bitmask
);
732 if_exists(idx
,idxs
,eq(idx
->id
,buf
))
739 idx
->addr
= ip
->addr
;
741 idx
->bitmask
= bitmask
+32*ip
->v6
;
750 /* brutal perfomance optimalization */
751 while(idxcount
> idxtable_treshold2
&& bitmask
> 2*idxtable_bitmask2
)
753 bitmask
-= idxtable_bitmask2
;
756 for_each(idx
,idxs
) if(idx
->parent
== NULL
)
760 buf
= index6_id(idx
->addr
, bitmask
+32);
764 buf
= index_id(idx
->addr
, bitmask
);
766 if_exists(metaindex
,idxs
,eq(metaindex
->id
,buf
))
768 metaindex
->children
++;
772 create(metaindex
,Index
);
773 metaindex
->addr
= idx
->addr
;
775 metaindex
->bitmask
= bitmask
+32*idx
->ipv6
;
776 metaindex
->parent
= NULL
;
777 metaindex
->children
= 0;
778 metaindex
->ipv6
= idx
->ipv6
;
780 push(metaindex
,idxs
);
782 idx
->parent
=metaindex
;
786 /* this should slightly optimize throughput ... */
787 sort(idx
,idxs
,desc_order_by
,children
);
788 sort(idx
,idxs
,order_by
,bitmask
);
795 subnet
=subnet6_id(idx
->addr
, idx
->bitmask
);
799 subnet
=subnet_id(idx
->addr
, idx
->bitmask
);
801 printf("%d: %s/%d\n", ++i
, subnet
, idx
->bitmask
);
803 sprintf(str
,":post_%s - [0:0]", idx
->id
);
804 iptables_save_line(str
, idx
->ipv6
);
806 sprintf(str
,":forw_%s - [0:0]", idx
->id
);
807 iptables_save_line(str
, idx
->ipv6
);
811 string(buf
,strlen(idx
->parent
->id
)+6);
812 sprintf(buf
,"post_%s", idx
->parent
->id
);
819 sprintf(str
,"-A %s -d %s/%d -o %s -j post_%s", buf
, subnet
, idx
->bitmask
, lan
, idx
->id
);
820 iptables_save_line(str
, idx
->ipv6
);
822 sprintf(str
,"-A %s -d %s/%d -o %s -j post_common", buf
, subnet
, idx
->bitmask
, lan
);
823 iptables_save_line(str
, idx
->ipv6
);
827 string(buf
,strlen(idx
->parent
->id
)+6);
828 sprintf(buf
,"forw_%s",idx
->parent
->id
);
835 sprintf(str
,"-A %s -s %s/%d -o %s -j forw_%s", buf
, subnet
, idx
->bitmask
, wan
, idx
->id
);
836 iptables_save_line(str
, idx
->ipv6
);
838 sprintf(str
,"-A %s -s %s/%d -o %s -j forw_common", buf
, subnet
, idx
->bitmask
, wan
);
839 iptables_save_line(str
, idx
->ipv6
);
841 printf("Total indexed iptables chains created: %d\n", i
);
843 sprintf(str
,"-A FORWARD -o %s -j forw_common", wan
);
844 iptables_save_line(str
, FALSE
);
846 sprintf(str
,"-A POSTROUTING -o %s -j post_common", lan
);
847 iptables_save_line(str
, FALSE
);
851 sprintf(str
,"-A FORWARD -o %s -j forw_common", wan
);
852 iptables_save_line(str
, TRUE
);
854 sprintf(str
,"-A POSTROUTING -o %s -j post_common", lan
);
855 iptables_save_line(str
, TRUE
);
862 fclose(iptables_file
);
867 puts("Just flushed iptables and tc classes - now exiting ...");
873 if(!dry_run
&& !nodelay
&& qos_free_delay
)
875 printf("Flushed iptables and tc classes - now sleeping for %d seconds...\n",qos_free_delay
);
876 sleep(qos_free_delay
);
879 sprintf(str
,"%s qdisc add dev %s root handle 1: htb r2q %d default 1",
883 sprintf(str
, "%s class add dev %s parent 1: classid 1:2 htb rate %s ceil %s burst %dk prio %d",
884 tc
,lan
,lan_medium
,lan_medium
,burst_main
,highest_priority
);
887 sprintf(str
, "%s class add dev %s parent 1:2 classid 1:1 htb rate %Ldkbit ceil %Ldkbit burst %dk prio %d",
888 tc
,lan
,line
,line
,burst_main
,highest_priority
);
891 sprintf(str
,"%s qdisc add dev %s root handle 1: htb r2q %d default 1",tc
,wan
,htb_r2q
);
894 sprintf(str
, "%s class add dev %s parent 1: classid 1:2 htb rate %s ceil %s burst %dk prio %d",
895 tc
,wan
,wan_medium
,wan_medium
,burst_main
,highest_priority
);
898 sprintf(str
, "%s class add dev %s parent 1:2 classid 1:1 htb rate %Ldkbit ceil %Ldkbit burst %dk prio %d",
899 tc
,wan
,up
,up
,burst_main
,highest_priority
);
903 /*-----------------------------------------------------------------*/
904 puts("Locating heavy downloaders and generating root classes ...");
905 /*-----------------------------------------------------------------*/
906 sort(ip
,ips
,desc_order_by
,traffic
);
908 /*-----------------------------------------------------------------*/
909 /* sub-scope - local variables */
911 long long int rate
= line
;
912 long long int max
= line
;
914 FILE *credit_file
= NULL
;
916 if(!just_preview
&& !dry_run
&& enable_credit
)
918 credit_file
= fopen(credit
,"w");
921 for_each(group
,groups
)
926 sprintf(str
,"%s class add dev %s parent 1:%d classid 1:%d htb rate %Ldkbit ceil %Ldkbit burst %dk prio %d #down desired %d",
927 tc
, lan
, parent
, group
->id
, rate
, max
, burst_group
, highest_priority
+1, group
->desired
);
931 sprintf(str
,"%s class add dev %s parent 1:%d classid 1:%d htb rate %Ldkbit ceil %Ldkbit burst %dk prio %d #up desired %d",
932 tc
, wan
, parent
, group
->id
, rate
*up
/line
, max
*up
/line
, burst_group
, highest_priority
+1, group
->desired
);
936 if(group_count
++ < max_nesting
)
941 rate
-= digital_divide
*group
->min
;
942 if(rate
< group
->min
)
947 /*shaping of aggresive downloaders, with credit file support */
950 int group_rate
= group
->min
, priority_sequence
= lowest_priority
;
952 for_each(ip
, ips
) if(ip
->min
== group
->min
&& ip
->max
> ip
->min
)
954 ip
->realquota
=ip
->credit
+(ip
->min
*ip
->keyword
->data_limit
+(ip
->keyword
->fixed_limit
<<20));
955 if( ip
->keyword
->data_limit
956 and not ip
->fixedprio
957 and ip
->traffic
> ip
->realquota
)
959 if(group_rate
< ip
->max
)
961 ip
->max
= group_rate
;
963 group_rate
+=magic_treshold
;
964 ip
->prio
=lowest_priority
;
965 if(ip
->prio
<highest_priority
+2)
967 ip
->prio
=highest_priority
+2;
972 if( ip
->keyword
->data_prio
974 && ( ip
->traffic
>ip
->credit
975 + (ip
->min
*ip
->keyword
->data_prio
+(ip
->keyword
->fixed_prio
<<20))) )
977 ip
->prio
=priority_sequence
--;
978 if(ip
->prio
<highest_priority
+1)
980 ip
->prio
=highest_priority
+1;
986 unsigned long long lcredit
=0;
988 if((ip
->min
*ip
->keyword
->data_limit
+(ip
->keyword
->fixed_limit
<<20))>ip
->traffic
)
990 lcredit
=(ip
->min
*ip
->keyword
->data_limit
+(ip
->keyword
->fixed_limit
<<20))-ip
->traffic
;
992 fprintf(credit_file
,"%s %Lu\n",ip
->addr
,lcredit
);
1000 fclose(credit_file
);
1006 if(start_shaping
|| stop_shaping
|| reduce_ceil
)
1008 printf("Reading %s and applying Fair Use Policy rules ... \n", classmap
);
1016 if_exists(ip
,ips
,eq(ip
->addr
,_
))
1019 if(ip
->max
< ip
->desired
|| stop_shaping
|| reduce_ceil
) /* apply or disable FUP limit immediately.... */
1023 ip
->max
= ip
->desired
;
1024 printf("Removing limit for %-22s %-16s %04d ", ip
->name
, ip
->addr
, ip
->mark
);
1028 printf("Applying limit for %-22s %-16s %04d ", ip
->name
, ip
->addr
, ip
->mark
);
1031 ip
->max
= ip
->min
+ (ip
->desired
-ip
->min
)/reduce_ceil
;
1034 printf("(down: %dk-%dk ", ip
->min
, ip
->max
);
1035 sprintf(str
, "%s class change dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1036 tc
, lan
, ip
->group
, ip
->mark
,ip
->min
,ip
->max
, burst
, ip
->prio
);
1038 printf("up: %dk-%dk)\n", (int)((ip
->min
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
),
1039 (int)((ip
->max
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
));
1040 sprintf(str
,"%s class change dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1041 tc
, wan
, ip
->group
, ip
->mark
,
1042 (int)((ip
->min
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
),
1043 (int)((ip
->max
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
), burst
, ip
->prio
);
1052 puts("Warning - classmap file not fund, just generating preview ...");
1053 start_shaping
=FALSE
;
1056 done
; /* ugly macro end */
1059 json_traffic
=json_preview
;
1062 if(!dry_run
&& !just_flush
)
1064 /*-----------------------------------------------------------------*/
1065 printf("Writing json traffic overview %s ... ", json_traffic
);
1066 /*-----------------------------------------------------------------*/
1067 write_json_traffic(json_traffic
);
1069 /*-----------------------------------------------------------------*/
1070 printf("Writing statistics into HTML page %s ...\n", html
);
1071 /*-----------------------------------------------------------------*/
1072 write_htmlandlogs(html
, d
, total
, just_preview
);
1082 else if(reduce_ceil
)
1084 swchar
='0'+reduce_ceil
; /* -2, -4 */
1086 else if(stop_shaping
)
1091 printf("Statistics preview generated (-%c switch) - now exiting ...\n", swchar
);
1097 printf("%-22s %-15s mark\n","name","ip");
1100 printf("Writing %s", classmap
);
1101 f
= fopen(classmap
, "w");
1107 /*-----------------------------------------------------------------*/
1108 printf(" + generating iptables and tc classes ... ");
1109 /*-----------------------------------------------------------------*/
1111 for_each(ip
, ips
) if(ip
->mark
> 0) /* works only for IPv4 so far */
1116 duplicate(ip
->addr
,buf
);
1119 buf
=index6_id(ip
->addr
,64-idxtable_bitmask1
);
1123 buf
=index_id(ip
->addr
,32-idxtable_bitmask1
);
1126 string(chain_forward
,6+strlen(buf
));
1127 strcpy(chain_forward
,"forw_");
1128 strcat(chain_forward
,buf
);
1130 string(chain_postrouting
,6+strlen(buf
));
1131 strcpy(chain_postrouting
,"post_");
1132 strcat(chain_postrouting
,buf
);
1138 chain_forward
="FORWARD";
1139 chain_postrouting
="POSTROUTING";
1142 /* packet limits - this will be optional in future */
1145 sprintf(limit_pkts
, "-m limit --limit %d/s --limit-burst %d ",
1146 ip
->pps_limit
, ip
->pps_limit
);
1154 printf("%-22s %-16s %04d %d/s\n", ip
->name
, ip
->addr
, ip
->mark
, ip
->pps_limit
);
1157 /* -------------------------------------------------------- mark download */
1158 sprintf(str
, "-A %s -d %s/%d -o %s -j %s%d",
1159 chain_postrouting
, ip
->addr
, 32*(1+ip
->v6
),
1160 lan
, mark_iptables
, ip
->mark
);
1161 iptables_save_line(str
, ip
->v6
);
1166 sprintf(str, "-A %s -s %s -p tcp --sport %d -d %s/%d -o %s -j %s%d",
1167 chain_postrouting, proxy_ip, proxy_port, ip->addr,
1168 32*(1+ip->v6), lan, mark_iptables, ip->mark);
1169 iptables_save_line(str, ip->v6);
1172 sprintf(str
, "-A %s -d %s/%d -o %s %s-j ACCEPT",
1173 chain_postrouting
, ip
->addr
, 32*(1+ip
->v6
), lan
, limit_pkts
);
1174 iptables_save_line(str
, ip
->v6
);
1176 /* classify overlimit packets to separate overlimit class */
1177 sprintf(str
, "-A %s -d %s/%d -o %s -j %s%d",
1178 chain_postrouting
, ip
->addr
, 32*(1+ip
->v6
),
1179 lan
, mark_iptables
, OVERLIMIT_CLASS
);
1180 iptables_save_line(str
, ip
->v6
);
1182 sprintf(str
, "-A %s -d %s/%d -o %s -j ACCEPT",
1183 chain_postrouting
, ip
->addr
, 32*(1+ip
->v6
), lan
);
1184 iptables_save_line(str
, ip
->v6
);
1186 /* -------------------------------------------------------- mark upload */
1187 sprintf(str
, "-A %s -s %s/%d -o %s -j %s%d",
1188 chain_forward
, ip
->addr
, 32*(1+ip
->v6
), wan
, mark_iptables
, ip
->mark
);
1189 iptables_save_line(str
, ip
->v6
);
1191 sprintf(str
, "-A %s -s %s/%d -o %s %s-j ACCEPT",
1192 chain_forward
, ip
->addr
, 32*(1+ip
->v6
), wan
, limit_pkts
);
1193 iptables_save_line(str
, ip
->v6
);
1195 /* classify overlimit packets to separate overlimit class */
1196 sprintf(str
, "-A %s -s %s/%d -o %s -j %s%d",
1197 chain_forward
, ip
->addr
, 32*(1+ip
->v6
), wan
, mark_iptables
, OVERLIMIT_CLASS
);
1198 iptables_save_line(str
, ip
->v6
);
1200 sprintf(str
, "-A %s -s %s/%d -o %s -j ACCEPT",
1201 chain_forward
, ip
->addr
, 32*(1+ip
->v6
), wan
);
1202 iptables_save_line(str
, ip
->v6
);
1206 /* -------------------------------------------------------- download class */
1208 printf("(down: %dk-%dk ", ip
->min
, ip
->max
);
1211 sprintf(str
, "%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1212 tc
, lan
, ip
->group
, ip
->mark
, ip
->min
, ip
->max
, burst
, ip
->prio
);
1215 if(strcmpi(ip
->keyword
->leaf_discipline
, "none"))
1217 sprintf(str
, "%s qdisc add dev %s parent 1:%d handle %d %s",
1218 tc
, lan
, ip
->mark
, ip
->mark
, ip
->keyword
->leaf_discipline
); /*qos_leaf*/
1222 if(filter_type
== 1)
1224 sprintf(str
, "%s filter add dev %s parent 1:0 protocol ip handle %d fw flowid 1:%d",
1225 tc
, lan
, ip
->mark
, ip
->mark
);
1229 /* -------------------------------------------------------- upload class */
1231 printf("up: %dk-%dk)\n", (int)((ip
->min
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
),
1232 (int)((ip
->max
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
));
1235 sprintf(str
,"%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1236 tc
, wan
, ip
->group
, ip
->mark
,
1237 (int)((ip
->min
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
),
1238 (int)((ip
->max
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
), burst
, ip
->prio
);
1241 if(strcmpi(ip
->keyword
->leaf_discipline
, "none"))
1243 sprintf(str
, "%s qdisc add dev %s parent 1:%d handle %d %s",
1244 tc
, wan
, ip
->mark
, ip
->mark
, ip
->keyword
->leaf_discipline
); /*qos_leaf*/
1248 if(filter_type
== 1)
1250 sprintf(str
, "%s filter add dev %s parent 1:0 protocol ip handle %d fw flowid 1:%d",
1251 tc
, wan
, ip
->mark
, ip
->mark
);
1257 fprintf(f
, "%s %d\n", ip
->addr
, ip
->mark
);
1263 printf("(sharing %s)\n", ip
->sharing
);
1276 chain_forward
= "forw_common";
1277 chain_postrouting
= "post_common";
1281 chain_forward
= "FORWARD";
1282 chain_postrouting
= "POSTROUTING";
1287 final_chain
= "ACCEPT";
1295 sprintf(str, "-A %s -s %s -p tcp --sport %d -o %s -j %s%d",
1296 chain_postrouting,proxy_ip,proxy_port,lan,mark_iptables, 3);
1297 iptables_save_line(str, FALSE); // only for IPv4
1299 sprintf(str, "-A %s -s %s -p tcp --sport %d -o %s -j %s",
1300 chain_postrouting,proxy_ip,proxy_port,lan,final_chain);
1301 iptables_save_line(str, FALSE); // only for IPv4
1307 sprintf(str
, "-A %s -o %s -j %s%d",
1308 chain_postrouting
, lan
, mark_iptables
, FREE_CLASS
);
1309 iptables_save_line(str
, FALSE
); /* only for IPv4 */
1312 sprintf(str
,"-A %s -o %s -j %s", chain_postrouting
, lan
, final_chain
);
1313 iptables_save_line(str
, FALSE
);
1316 sprintf(str
,"-A %s -o %s -j %s", chain_postrouting
, lan
, final_chain
);
1317 iptables_save_line(str
, TRUE
);
1322 sprintf(str
,"-A %s -o %s -j %s%d", chain_forward
, wan
, mark_iptables
, FREE_CLASS
);
1323 iptables_save_line(str
, FALSE
); /* only for IPv4 */
1326 sprintf(str
,"-A %s -o %s -j %s", chain_forward
, wan
, final_chain
);
1327 iptables_save_line(str
, FALSE
);
1330 sprintf(str
,"-A %s -o %s -j %s", chain_postrouting
, lan
, final_chain
);
1331 iptables_save_line(str
, TRUE
);
1334 if(free_min
) /* allocate free bandwith if it is not zero... */
1336 /*-----------------------------------------------------------------*/
1337 puts("Generating free bandwith class ...");
1338 /*-----------------------------------------------------------------*/
1339 sprintf(str
, "%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1340 tc
, lan
, parent
, FREE_CLASS
, free_min
, free_max
,burst
, lowest_priority
);
1342 sprintf(str
, "%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1343 tc
, wan
, parent
, FREE_CLASS
, free_min
, free_max
, burst
, lowest_priority
);
1346 if(strcmpi(qos_leaf
, "none"))
1348 sprintf(str
,"%s qdisc add dev %s parent 1:%d handle %d %s", tc
, lan
, FREE_CLASS
, FREE_CLASS
, qos_leaf
);
1351 sprintf(str
,"%s qdisc add dev %s parent 1:%d handle %d %s", tc
, wan
, FREE_CLASS
, FREE_CLASS
, qos_leaf
);
1354 /* tc handle 1 fw flowid */
1355 sprintf(str
,"%s filter add dev %s parent 1:0 protocol ip handle %d fw flowid 1:%d", tc
, lan
, FREE_CLASS
, FREE_CLASS
);
1358 sprintf(str
,"%s filter add dev %s parent 1:0 protocol ip handle %d fw flowid 1:%d", tc
, wan
, FREE_CLASS
, FREE_CLASS
);
1361 /*-----------------------------------------------------------------*/
1362 puts("Generating bandwith class for overlimit packets...");
1363 /*-----------------------------------------------------------------*/
1364 sprintf(str
, "%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1365 tc
, lan
, parent
, OVERLIMIT_CLASS
, overlimit_min
, overlimit_max
, burst
, lowest_priority
);
1367 sprintf(str
, "%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1368 tc
, wan
, parent
, OVERLIMIT_CLASS
, overlimit_min
, overlimit_max
, burst
, lowest_priority
);
1371 printf("Total IP count: %d\n", i
);
1372 run_iptables_restore();
1378 /* that's all folks, thank you for reading it all the way up to this point ;-) */
1379 /* bad luck C<<1 is not yet finished, I promise no sprintf() next time... */
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