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
= "0.8.5-a";
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 *macrosfile
= "/etc/prometheus/prometheus.macros"; /* rewrite rules for most common tariffs */
62 char *iptablesfile
= "/var/spool/prometheus.iptables"; /* temporary file for iptables-restore*/
63 char *ip6tablesfile
= "/var/spool/prometheus.ip6tables"; /* temporary file for ip6tables-restore*/
64 char *credit
= "/var/lib/misc/prometheus.credit"; /* credit log file */
65 char *classmap
= "/var/lib/misc/prometheus.classes"; /* credit log file */
66 char *html
= "/var/www/traffic.html"; /* hall of fame - html version */
67 char *preview
= "/var/www/preview.html"; /* hall of fame preview - html version */
68 char *json_traffic
= "/var/www/logs/traffic.json"; /* hall of fame - json version */
69 char *json_preview
= "/var/www/logs/preview.json"; /* hall of fame preview - json version */
70 char *cmdlog
= "/var/log/prometheuslog"; /* command log filename */
71 char *log_dir
= "/var/www/logs/"; /* log directory pathname, ended with slash */
72 char *log_url
= "/logs/"; /* log directory relative URI prefix (partial URL) */
73 char *html_log_dir
= "/var/www/logs/html/";
75 char *jquery_url
= "http://code.jquery.com/jquery-latest.js";
76 char *lms_url
= "/lms/?m=customerinfo&id=";
77 int use_jquery_popups
= TRUE
;
78 int row_odd_even
= 0; /*<tr class="odd/even"> */
80 /* === Configuraration file values defaults - stored in global variables ==== */
82 int filter_type
= 1; /*1 mark, 2 classify*/
83 char *final_chain
= "DROP"; /* REJECT would be better, but it is impossible in mangle */
85 char *mark_iptables
= "MARK --set-mark ";
86 int dry_run
= FALSE
; /* preview - use puts() instead of system() */
87 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]";
88 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";
89 FILE *iptables_file
= NULL
;
90 FILE *ip6tables_file
= NULL
;
91 int enable_credit
= TRUE
; /* enable credit file */
92 int use_credit
= FALSE
; /* use credit file (if enabled)*/
93 char *title
= "Hall of Fame - Greatest Suckers"; /* hall of fame title */
94 int hall_of_fame
= TRUE
; /* enable hall of fame */
95 char *lan
= "eth0"; /* LAN interface */
96 char *lan_medium
= "100Mbit"; /* 10Mbit/100Mbit ethernet */
97 char *wan
= "eth1"; /* WAN/ISP interface */
98 char *ip6prefix
= NULL
; /* Prefix for global /48 IPv6 subnet */
99 char *wan_medium
= "100Mbit"; /* 10Mbit/100Mbit ethernet */
100 char *qos_leaf
= "sfq perturb 5"; /* leaf discipline */
101 char *qos_free_zone
= NULL
; /* QoS free zone */
102 /* int qos_proxy = TRUE; include proxy port to QoS */
103 int found_lmsid
= FALSE
; /* show links to users in LMS information system */
104 int include_upload
= TRUE
; /* upload+download=total traffic */
105 /* char *proxy_ip = "192.168.1.1/32"; our IP with proxy port */
106 /* int proxy_port = 3128; proxy port number */
107 long long int line
= 1024; /* WAN/ISP download in kbps */
108 long long int up
= 1024; /* WAN/ISP upload in kbps */
109 int free_min
= 256; /* minimum guaranted bandwidth for all undefined hosts */
110 int free_max
= 512; /* maximum allowed bandwidth for all undefined hosts */
111 int overlimit_min
= 256; /* minimum guaranted bandwidth for all undefined hosts */
112 int overlimit_max
= 512; /* maximum allowed bandwidth for all undefined hosts */
113 int qos_free_delay
= 0; /* seconds to sleep before applying new QoS rules */
114 int digital_divide
= 2; /* controls digital divide weirdness ratio, 1...3 */
115 int max_nesting
= 3; /* maximum nesting of HTB clases, built-in maximum seems to be 4 */
116 int htb_r2q
= 256; /* should work for leaf values 512 kbps to 8 Mbps */
117 int burst
= 8; /* HTB burst (in kbits) */
119 int burst_group
= 32;
120 int magic_treshold
= 8; /* reduce ceil by X*magic_treshhold kbps (hard shaping) */
121 int keywordcount
= 0;
124 FILE *log_file
= NULL
;
125 char *kwd
= "via-prometheus"; /* /etc/hosts comment, eg. #qos-64-128 */
127 const int highest_priority
= 0; /* highest HTB priority (HTB built-in value is 0) */
128 const int lowest_priority
= 7; /* lowest HTB priority (HTB built-in value is 7) */
129 const int idxtable_treshold1
= 24; /* this is no longer configurable */
130 const int idxtable_treshold2
= 12; /* this is no longer configurable */
131 const int idxtable_bitmask1
= 3; /* this is no longer configurable */
132 const int idxtable_bitmask2
= 3; /* this is no longer configurable */
134 struct IP
*ips
= NULL
, *networks
= NULL
, *ip
, *sharedip
;
135 struct Group
*groups
= NULL
, *group
;
136 struct Keyword
*keyword
, *defaultkeyword
=NULL
, *keywords
= NULL
;
137 struct Macro
*macro
, *macros
= NULL
;
140 #define OVERLIMIT_CLASS 4
143 /* implemented in help.c */
145 void get_traffic_statistics(const char *whichiptables
, int ipv6
);
146 /* implemented in parseiptables.c */
148 void parse_ip_log(int argc
, char **argv
);
149 /* implemented in parselog.c */
151 void parse_hosts(char *hosts
);
152 /* implemented in parsehosts.c */
154 void write_json_traffic(char *json
);
155 /* implemented in json.c */
157 void write_htmlandlogs(char *html
, char *d
, int total
, int just_preview
);
158 /* implemented in htmlandlogs.c */
160 void analyse_topology(char *traceroute
);
161 /* implemented in networks.c */
164 const char *tr_odd_even(void)
166 row_odd_even
= 1 - row_odd_even
;
169 return "<tr class=\"even\">\n";
173 return "<tr class=\"odd\">\n";
177 /* ==== This is C<<1 stuff - learn C<<1 first! https://dev.arachne.cz/svn/cll1h ==== */
178 /* (except that this code uses obsolete, archaic version of this header file...) */
184 struct Index
*parent
;
189 } *idxs
=NULL
, *idx
, *metaindex
;
192 /* ====== iptables indexes are used to reduce complexity to log8(N) ===== */
194 char *index_id(char *ip
, int bitmask
);
195 /* function implemented in ipv4subnets.c */
197 char *subnet_id(char *ip
, int bitmask
);
198 /* function implemented in ipv4subnets.c */
200 char *index6_id(char *ip
, int bitmask
);
201 /* function implemented in ipv6subnets.c */
203 char *subnet6_id(char *ip
, int bitmask
);
204 /* function implemented in ipv6subnets.c */
206 /* ================= Let's parse configuration file here ================ */
208 void reject_config_and_exit(char *filename
)
210 printf("Configuration file %s rejected - abnormal exit.",filename
);
214 void get_config(char *config_filename
)
218 printf("Configured keywords: ");
219 parse(config_filename
)
221 option("keyword",kwd
);
226 create(keyword
,Keyword
);
228 keyword
->asymetry_ratio
= 1; /* ratio for ADSL-like upload */
229 keyword
->asymetry_fixed
= 0; /* fixed treshold for ADSL-like upload */
230 keyword
->data_limit
= 8; /* hard shaping: apply magic_treshold if max*data_limit MB exceeded */
231 keyword
->data_prio
= 4; /* soft shaping (qos): reduce HTB prio if max*data_prio MB exceeded */
232 keyword
->fixed_limit
= 0; /* fixed data limit for setting lower HTB ceil */
233 keyword
->fixed_prio
= 0; /* fixed data limit for setting lower HTB prio */
234 keyword
->reserve_min
= 8; /* bonus for nominal HTB rate bandwidth (in kbps) */
235 keyword
->reserve_max
= 0; /* malus for nominal HTB ceil (in kbps) */
236 keyword
->default_prio
= highest_priority
+1;
237 keyword
->html_color
= "000000";
238 keyword
->ip_count
= 0;
239 keyword
->leaf_discipline
= "";
240 keyword
->allowed_avgmtu
= 0;
242 push(keyword
, keywords
);
245 defaultkeyword
= keyword
;
253 for_each(keyword
,keywords
)
255 int l
=strlen(keyword
->key
);
257 if(!strncmp(keyword
->key
,_
,l
) && strlen(_
)>l
+2)
259 char *tmptr
=_
; /* <---- l+1 ----> */
260 _
+=l
+1; /* via-prometheus-asymetry-ratio, etc. */
261 ioption("asymetry-ratio", keyword
->asymetry_ratio
);
262 ioption("asymetry-treshold", keyword
->asymetry_fixed
);
263 ioption("magic-relative-limit", keyword
->data_limit
);
264 ioption("magic-relative-prio", keyword
->data_prio
);
265 loption("magic-fixed-limit", keyword
->fixed_limit
);
266 loption("magic-fixed-prio", keyword
->fixed_prio
);
267 ioption("htb-default-prio", keyword
->default_prio
);
268 ioption("htb-rate-bonus", keyword
->reserve_min
);
269 ioption("htb-ceil-malus", keyword
->reserve_max
);
270 option("leaf-discipline", keyword
->leaf_discipline
);
271 option("html-color", keyword
->html_color
);
272 ioption("allowed-avgmtu" ,keyword
->allowed_avgmtu
);
275 if(keyword
->data_limit
|| keyword
->fixed_limit
||
276 keyword
->data_prio
|| keyword
->fixed_prio
)
285 option("iptables",iptables
);
286 option("iptables-save",iptablessave
);
287 option("iptables-restore",iptablesrestore
);
288 option("ip6tables",ip6tables
);
289 option("ip6tables-save",ip6tablessave
);
290 option("ip6tables-restore",ip6tablesrestore
);
291 option("iptables-in-filename",iptablesfile
);
292 option("ip6tables-in-filename",ip6tablesfile
);
293 option("hosts",hosts
);
294 option("lan-interface",lan
);
295 option("wan-interface",wan
);
296 option("ip6-prefix",ip6prefix
);
297 option("lan-medium",lan_medium
);
298 option("wan-medium",wan_medium
);
299 lloption("wan-download",line
);
300 lloption("wan-upload",up
);
301 ioption("hall-of-fame-enable",hall_of_fame
);
302 option("hall-of-fame-title",title
);
303 option("hall-of-fame-filename",html
);
304 option("json-filename",json_traffic
);
305 option("hall-of-fame-preview",preview
);
306 option("json-preview",json_preview
);
307 option("log-filename",cmdlog
);
308 option("credit-filename",credit
);
309 option("classmap-filename",classmap
);
310 ioption("credit-enable",enable_credit
);
311 option("log-traffic-directory",log_dir
);
312 option("log-traffic-html-directory",html_log_dir
);
313 option("log-traffic-url-path",log_url
);
314 option("jquery-url",jquery_url
);
315 option("lms-url",lms_url
);
316 ioption("use-jquery-popups",use_jquery_popups
);
317 option("qos-free-zone",qos_free_zone
);
318 ioption("qos-free-delay",qos_free_delay
);
319 /* ioption("qos-proxy-enable",qos_proxy); */
320 /* option("qos-proxy-ip",proxy_ip);*/
321 option("htb-leaf-discipline",qos_leaf
);
322 /* ioption("qos-proxy-port",proxy_port); */
323 ioption("free-rate",free_min
);
324 ioption("free-ceil",free_max
);
325 ioption("overlimit-rate",overlimit_min
);
326 ioption("overlimit-ceil",overlimit_max
);
327 ioption("htb-burst",burst
);
328 ioption("htb-burst-main",burst_main
);
329 ioption("htb-burst-group",burst_group
);
330 ioption("htb-nesting-limit",max_nesting
);
331 ioption("htb-r2q",htb_r2q
);
332 ioption("magic-include-upload",include_upload
);
333 ioption("magic-treshold",magic_treshold
);
334 option("filter-type", cnf
);
335 /* not yet implemented:
336 ioption("magic-fixed-packets",fixed_packets);
337 ioption("magic-relative-packets",packet_limit);
342 perror(config_filename
);
343 puts("Warning - using built-in defaults instead ...");
345 done
; /* ugly macro end */
348 /* leaf discipline for keywords */
349 for_each(keyword
,keywords
)
351 if(!strcmpi(keyword
->leaf_discipline
, ""))
353 keyword
->leaf_discipline
= qos_leaf
;
357 if(strcmpi(cnf
, "mark"))
361 mark_iptables
= "CLASSIFY --set-class 1:";
367 mark_iptables
= "MARK --set-mark ";
370 /* are supplied values meaningful ?*/
373 puts("Illegal value of LAN or WAN bandwidth: 0 kbps.");
374 reject_config_and_exit(config_filename
);
379 /* ========== This function executes, logs OR ALSO prints command ========== */
381 void safe_run(char *cmd
)
385 printf("\n=>%s\n",cmd
);
393 fprintf(log_file
,"%s\n",cmd
);
397 void iptables_save_line(char *line
, int ipv6
)
401 fprintf(ip6tables_file
,"%s\n",line
);
405 fprintf(iptables_file
,"%s\n",line
);
409 void run_iptables_restore(void)
412 string(restor
,STRLEN
);
414 /*-----------------------------------------------------------------*/
415 printf("Running %s <%s ...\n", iptablesrestore
, iptablesfile
);
416 /*-----------------------------------------------------------------*/
418 iptables_save_line("COMMIT", FALSE
);
419 fclose(iptables_file
);
426 done
; /* ugly macro end */
429 sprintf(restor
,"%s <%s",iptablesrestore
, iptablesfile
);
434 /*-----------------------------------------------------------------*/
435 printf("Running %s <%s ...\n", ip6tablesrestore
, ip6tablesfile
);
436 /*-----------------------------------------------------------------*/
437 iptables_save_line("COMMIT", TRUE
);
438 fclose(ip6tables_file
);
445 done
; /* ugly macro end */
447 sprintf(restor
,"%s <%s",ip6tablesrestore
, ip6tablesfile
);
453 char *parse_datafile_line(char *str
)
455 char *ptr
= strchr(str
,' ');
458 ptr
= strchr(str
,'\t');
465 while(*ptr
== ' ' || *ptr
== '\t')
478 /*-----------------------------------------------------------------*/
479 /* Are you looking for int main(int argc, char **argv) ? :-)) */
480 /*-----------------------------------------------------------------*/
484 int i
=0; /* just plain old Fortran style integer :-) */
485 FILE *f
=NULL
; /* everything is just stream of bytes... */
486 char *str
, *ptr
, *d
; /* LET A$=B$ :-) */
487 char *substring
, *limit_pkts
;
490 int just_networks
= FALSE
;
491 int just_flush
= FALSE
; /* deactivates all previous actions */
493 int just_preview
= FALSE
; /* preview - generate just stats */
494 int start_shaping
= FALSE
; /* apply FUP - requires classmap file */
495 int stop_shaping
= FALSE
; /* lift FUP - requires classmap file */
496 int reduce_ceil
= 0; /* allow only rate+(ceil-rate)/2, /4, etc. */
497 int just_logs
= FALSE
; /* just parse logs */
501 char *chain_forward
, *chain_postrouting
;
505 Prometheus QoS - \"fair-per-IP\" Quality of Service setup utility.\n\
506 Version %s - Copyright (C)2005-2013 Michael Polak, Arachne Labs\n\
507 iptables-restore & burst tunning & classify modification by Ludva\n\
508 Credit: CZFree.Net, Martin Devera, Netdave, Aquarius, Gandalf\n\n",version
);
510 /*----- Boring... we have to check command line options first: ----*/
513 argument("-c") { nextargument(config
); }
514 argument("-h") { nextargument(althosts
);}
515 argument("-d") { run
=TRUE
; dry_run
=TRUE
; }
516 argument("-f") { run
=TRUE
; just_flush
=TRUE
; }
517 argument("-9") { run
=TRUE
; just_flush
=9; }
518 argument("-p") { run
=TRUE
; just_preview
=TRUE
; }
519 argument("-q") { run
=TRUE
; just_preview
=TRUE
; stop_shaping
=TRUE
; }
520 argument("-2") { run
=TRUE
; just_preview
=TRUE
; reduce_ceil
=2; }
521 argument("-4") { run
=TRUE
; just_preview
=TRUE
; reduce_ceil
=4; }
522 argument("-s") { run
=TRUE
; just_preview
=TRUE
; start_shaping
=TRUE
; }
523 argument("-r") { run
=TRUE
; }
524 argument("-n") { run
=TRUE
; nodelay
=TRUE
; }
525 argument("-a") { run
=TRUE
; just_networks
=TRUE
; }
526 argument("-l") { just_logs
=TRUE
; }
527 argument("-m") { just_logs
=TRUE
; }
528 argument("-y") { just_logs
=TRUE
; }
529 argument("-?") { help(); exit(0); }
530 argument("--help") { help(); exit(0); }
531 argument("-v") { exit(0); }
532 argument("--version") { exit(0); }
537 puts("*** THIS IS JUST DRY RUN ! ***\n");
540 date(d
); /* this is typical cll1.h macro - prints current date */
542 /*-----------------------------------------------------------------*/
543 printf("Parsing configuration file %s ...\n", config
);
544 /*-----------------------------------------------------------------*/
549 parse_ip_log(argc
,argv
);
565 /*-----------------------------------------------------------------*/
566 puts("Parsing iptables verbose output ...");
567 /*-----------------------------------------------------------------*/
568 get_traffic_statistics(iptables
, FALSE
);
571 /*-----------------------------------------------------------------*/
572 puts("Parsing ip6tables verbose output ...");
573 /*-----------------------------------------------------------------*/
574 get_traffic_statistics(ip6tables
, TRUE
);
578 /*-----------------------------------------------------------------*/
579 /* cll1.h - let's allocate brand new character buffer... */
580 /*-----------------------------------------------------------------*/
582 string(limit_pkts
, STRLEN
);
584 /*-----------------------------------------------------------------*/
585 printf("Parsing class defintion file %s ...\n", hosts
);
586 /*-----------------------------------------------------------------*/
590 analyse_topology("/usr/sbin/traceroute -n -m 10 -w 2 %s.%d");
594 /*-----------------------------------------------------------------*/
595 puts("Resolving shared connections ...");
596 /*-----------------------------------------------------------------*/
597 for_each(ip
, ips
) if(ip
->sharing
)
599 for_each(sharedip
, ips
) if(eq(sharedip
->name
, ip
->sharing
))
601 sharedip
->traffic
+= ip
->traffic
;
603 ip
->mark
= sharedip
->mark
;
604 ip
->lmsid
= sharedip
->lmsid
;
605 ip
->pps_limit
= sharedip
->pps_limit
; /* no other way to do this */
610 printf("Unresolved shared connection: %s %s sharing-%s\n",
611 ip
->addr
, ip
->name
, ip
->sharing
);
615 if(enable_credit
&& just_flush
<9)
617 /*-----------------------------------------------------------------*/
618 printf("Parsing credit file %s ...\n", credit
);
619 /*-----------------------------------------------------------------*/
622 ptr
= parse_datafile_line(_
);
625 if_exists(ip
,ips
,eq(ip
->addr
,_
))
627 sscanf(ptr
,"%Lu",&(ip
->credit
));
631 done
; /* ugly macro end */
634 if(enable_credit
&& just_flush
<9)
636 /*-----------------------------------------------------------------*/
637 printf("Parsing macro definition file %s ...\n", macrosfile
);
638 /*-----------------------------------------------------------------*/
641 ptr
= parse_datafile_line(_
);
644 create(macro
, Macro
);
645 macro
->rewrite_from
= _
;
646 macro
->rewrite_to
= ptr
;
648 printf("%s -> %s\n", macro
->rewrite_from
, macro
->rewrite_to
);
651 done
; /* ugly macro end */
656 /*-----------------------------------------------------------------*/
657 puts("Initializing iptables and tc classes ...");
658 /*-----------------------------------------------------------------*/
660 iptables_file
= fopen(iptablesfile
, "w");
661 if(iptables_file
== NULL
)
663 perror(iptablesfile
);
666 iptables_save_line(iptablespreamble
, FALSE
);
670 ip6tables_file
= fopen(ip6tablesfile
, "w");
671 if(ip6tables_file
== NULL
)
673 perror(ip6tablesfile
);
676 iptables_save_line(iptablespreamble
, TRUE
);
677 iptables_save_line(ip6preamble
, TRUE
);
680 run_iptables_restore();
682 log_file
= fopen(cmdlog
, "w");
689 sprintf(str
,"%s qdisc del dev %s root 2>/dev/null",tc
,lan
);
692 sprintf(str
,"%s qdisc del dev %s root 2>/dev/null",tc
,wan
);
695 iptables_file
=fopen(iptablesfile
,"w");
696 iptables_save_line(iptablespreamble
, FALSE
);
699 ip6tables_file
=fopen(ip6tablesfile
,"w");
700 iptables_save_line(iptablespreamble
, TRUE
);
701 iptables_save_line(ip6preamble
, TRUE
);
704 if(qos_free_zone
&& *qos_free_zone
!='0') /* this is currently supported only for IPv4 */
708 sprintf(str
,"-A FORWARD -d %s -o %s -j ACCEPT", qos_free_zone
, wan
);
709 iptables_save_line(str
, FALSE
); /* this is currently supported only for IPv4 */
714 iptables_save_line(":post_noproxy - [0:0]", FALSE);
715 sprintf(str,"-A POSTROUTING ! -p tcp -o %s -j post_noproxy", lan);
716 iptables_save_line(str , FALSE);
717 sprintf(str,"-A POSTROUTING ! -s %s -o %s -j post_noproxy", proxy_ip, lan);
718 iptables_save_line(str, FALSE);
719 sprintf(str,"-A POSTROUTING -s %s -p tcp ! --sport %d -o %s -j post_noproxy", proxy_ip, proxy_port, lan);
720 iptables_save_line(str, FALSE);
722 chain="post_noproxy";
728 chain
= "POSTROUTING";
731 sprintf(str
,"-A %s -s %s -o %s -j ACCEPT", chain
, qos_free_zone
, lan
);
732 iptables_save_line(str
, FALSE
);
735 if(ip_count
> idxtable_treshold1
&& !just_flush
)
737 int idxcount
=0, bitmask
=32-idxtable_bitmask1
;
739 /*-----------------------------------------------------------------*/
740 printf("Detected %d addresses - indexing iptables rules to improve performance...\n",ip_count
);
741 /*-----------------------------------------------------------------*/
743 iptables_save_line(":post_common - [0:0]", FALSE
);
744 iptables_save_line(":forw_common - [0:0]", FALSE
);
747 iptables_save_line(":post_common - [0:0]", TRUE
);
748 iptables_save_line(":forw_common - [0:0]", TRUE
);
751 for_each(ip
,ips
) if(ip
->addr
&& *(ip
->addr
) && !eq(ip
->addr
,"0.0.0.0/0"))
755 buf
=index6_id(ip
->addr
,bitmask
+32);
759 buf
=index_id(ip
->addr
, bitmask
);
762 if_exists(idx
,idxs
,eq(idx
->id
,buf
))
769 idx
->addr
= ip
->addr
;
771 idx
->bitmask
= bitmask
+32*ip
->v6
;
780 /* brutal perfomance optimalization */
781 while(idxcount
> idxtable_treshold2
&& bitmask
> 2*idxtable_bitmask2
)
783 bitmask
-= idxtable_bitmask2
;
786 for_each(idx
,idxs
) if(idx
->parent
== NULL
)
790 buf
= index6_id(idx
->addr
, bitmask
+32);
794 buf
= index_id(idx
->addr
, bitmask
);
796 if_exists(metaindex
,idxs
,eq(metaindex
->id
,buf
))
798 metaindex
->children
++;
802 create(metaindex
,Index
);
803 metaindex
->addr
= idx
->addr
;
805 metaindex
->bitmask
= bitmask
+32*idx
->ipv6
;
806 metaindex
->parent
= NULL
;
807 metaindex
->children
= 0;
808 metaindex
->ipv6
= idx
->ipv6
;
810 push(metaindex
,idxs
);
812 idx
->parent
=metaindex
;
816 /* this should slightly optimize throughput ... */
817 sort(idx
,idxs
,desc_order_by
,children
);
818 sort(idx
,idxs
,order_by
,bitmask
);
825 subnet
=subnet6_id(idx
->addr
, idx
->bitmask
);
829 subnet
=subnet_id(idx
->addr
, idx
->bitmask
);
831 printf("%d: %s/%d\n", ++i
, subnet
, idx
->bitmask
);
833 sprintf(str
,":post_%s - [0:0]", idx
->id
);
834 iptables_save_line(str
, idx
->ipv6
);
836 sprintf(str
,":forw_%s - [0:0]", idx
->id
);
837 iptables_save_line(str
, idx
->ipv6
);
841 string(buf
,strlen(idx
->parent
->id
)+6);
842 sprintf(buf
,"post_%s", idx
->parent
->id
);
849 sprintf(str
,"-A %s -d %s/%d -o %s -j post_%s", buf
, subnet
, idx
->bitmask
, lan
, idx
->id
);
850 iptables_save_line(str
, idx
->ipv6
);
852 sprintf(str
,"-A %s -d %s/%d -o %s -j post_common", buf
, subnet
, idx
->bitmask
, lan
);
853 iptables_save_line(str
, idx
->ipv6
);
857 string(buf
,strlen(idx
->parent
->id
)+6);
858 sprintf(buf
,"forw_%s",idx
->parent
->id
);
865 sprintf(str
,"-A %s -s %s/%d -o %s -j forw_%s", buf
, subnet
, idx
->bitmask
, wan
, idx
->id
);
866 iptables_save_line(str
, idx
->ipv6
);
868 sprintf(str
,"-A %s -s %s/%d -o %s -j forw_common", buf
, subnet
, idx
->bitmask
, wan
);
869 iptables_save_line(str
, idx
->ipv6
);
871 printf("Total indexed iptables chains created: %d\n", i
);
873 sprintf(str
,"-A FORWARD -o %s -j forw_common", wan
);
874 iptables_save_line(str
, FALSE
);
876 sprintf(str
,"-A POSTROUTING -o %s -j post_common", lan
);
877 iptables_save_line(str
, FALSE
);
881 sprintf(str
,"-A FORWARD -o %s -j forw_common", wan
);
882 iptables_save_line(str
, TRUE
);
884 sprintf(str
,"-A POSTROUTING -o %s -j post_common", lan
);
885 iptables_save_line(str
, TRUE
);
892 fclose(iptables_file
);
897 puts("Just flushed iptables and tc classes - now exiting ...");
903 if(!dry_run
&& !nodelay
&& qos_free_delay
)
905 printf("Flushed iptables and tc classes - now sleeping for %d seconds...\n",qos_free_delay
);
906 sleep(qos_free_delay
);
909 sprintf(str
,"%s qdisc add dev %s root handle 1: htb r2q %d default 1",
913 sprintf(str
, "%s class add dev %s parent 1: classid 1:2 htb rate %s ceil %s burst %dk prio %d",
914 tc
,lan
,lan_medium
,lan_medium
,burst_main
,highest_priority
);
917 sprintf(str
, "%s class add dev %s parent 1:2 classid 1:1 htb rate %Ldkbit ceil %Ldkbit burst %dk prio %d",
918 tc
,lan
,line
,line
,burst_main
,highest_priority
);
921 sprintf(str
,"%s qdisc add dev %s root handle 1: htb r2q %d default 1",tc
,wan
,htb_r2q
);
924 sprintf(str
, "%s class add dev %s parent 1: classid 1:2 htb rate %s ceil %s burst %dk prio %d",
925 tc
,wan
,wan_medium
,wan_medium
,burst_main
,highest_priority
);
928 sprintf(str
, "%s class add dev %s parent 1:2 classid 1:1 htb rate %Ldkbit ceil %Ldkbit burst %dk prio %d",
929 tc
,wan
,up
,up
,burst_main
,highest_priority
);
933 /*-----------------------------------------------------------------*/
934 puts("Locating heavy downloaders and generating root classes ...");
935 /*-----------------------------------------------------------------*/
936 sort(ip
,ips
,desc_order_by
,traffic
);
938 /*-----------------------------------------------------------------*/
939 /* sub-scope - local variables */
941 long long int rate
= line
;
942 long long int max
= line
;
944 FILE *credit_file
= NULL
;
946 if(!just_preview
&& !dry_run
&& enable_credit
)
948 credit_file
= fopen(credit
,"w");
951 for_each(group
,groups
)
956 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",
957 tc
, lan
, parent
, group
->id
, rate
, max
, burst_group
, highest_priority
+1, group
->desired
);
961 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",
962 tc
, wan
, parent
, group
->id
, rate
*up
/line
, max
*up
/line
, burst_group
, highest_priority
+1, group
->desired
);
966 if(group_count
++ < max_nesting
)
971 rate
-= digital_divide
*group
->min
;
972 if(rate
< group
->min
)
977 /*shaping of aggresive downloaders, with credit file support */
980 int group_rate
= group
->min
, priority_sequence
= lowest_priority
;
982 for_each(ip
, ips
) if(ip
->min
== group
->min
&& ip
->max
> ip
->min
)
984 ip
->realquota
=ip
->credit
+(ip
->min
*ip
->keyword
->data_limit
+(ip
->keyword
->fixed_limit
<<20));
985 if( ip
->keyword
->data_limit
986 and not ip
->fixedprio
987 and ip
->traffic
> ip
->realquota
)
989 if(group_rate
< ip
->max
)
991 ip
->max
= group_rate
;
993 group_rate
+=magic_treshold
;
994 ip
->prio
=lowest_priority
;
995 if(ip
->prio
<highest_priority
+2)
997 ip
->prio
=highest_priority
+2;
1002 if( ip
->keyword
->data_prio
1004 && ( ip
->traffic
>ip
->credit
1005 + (ip
->min
*ip
->keyword
->data_prio
+(ip
->keyword
->fixed_prio
<<20))) )
1007 ip
->prio
=priority_sequence
--;
1008 if(ip
->prio
<highest_priority
+1)
1010 ip
->prio
=highest_priority
+1;
1016 unsigned long long lcredit
=0;
1018 if((ip
->min
*ip
->keyword
->data_limit
+(ip
->keyword
->fixed_limit
<<20))>ip
->traffic
)
1020 lcredit
=(ip
->min
*ip
->keyword
->data_limit
+(ip
->keyword
->fixed_limit
<<20))-ip
->traffic
;
1022 fprintf(credit_file
,"%s %Lu\n",ip
->addr
,lcredit
);
1030 fclose(credit_file
);
1036 if(start_shaping
|| stop_shaping
|| reduce_ceil
)
1038 printf("Reading %s and applying Fair Use Policy rules ... \n", classmap
);
1046 if_exists(ip
,ips
,eq(ip
->addr
,_
))
1049 if(ip
->max
< ip
->desired
|| stop_shaping
|| reduce_ceil
) /* apply or disable FUP limit immediately.... */
1053 ip
->max
= ip
->desired
;
1054 printf("Removing limit for %-22s %-16s %04d ", ip
->name
, ip
->addr
, ip
->mark
);
1058 printf("Applying limit for %-22s %-16s %04d ", ip
->name
, ip
->addr
, ip
->mark
);
1061 ip
->max
= ip
->min
+ (ip
->desired
-ip
->min
)/reduce_ceil
;
1064 printf("(down: %dk-%dk ", ip
->min
, ip
->max
);
1065 sprintf(str
, "%s class change dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1066 tc
, lan
, ip
->group
, ip
->mark
,ip
->min
,ip
->max
, burst
, ip
->prio
);
1068 printf("up: %dk-%dk)\n", (int)((ip
->min
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
),
1069 (int)((ip
->max
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
));
1070 sprintf(str
,"%s class change dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1071 tc
, wan
, ip
->group
, ip
->mark
,
1072 (int)((ip
->min
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
),
1073 (int)((ip
->max
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
), burst
, ip
->prio
);
1082 puts("Warning - classmap file not fund, just generating preview ...");
1083 start_shaping
=FALSE
;
1086 done
; /* ugly macro end */
1089 json_traffic
=json_preview
;
1092 if(!dry_run
&& !just_flush
)
1094 /*-----------------------------------------------------------------*/
1095 printf("Writing json traffic overview %s ... ", json_traffic
);
1096 /*-----------------------------------------------------------------*/
1097 write_json_traffic(json_traffic
);
1099 /*-----------------------------------------------------------------*/
1100 printf("Writing statistics into HTML page %s ...\n", html
);
1101 /*-----------------------------------------------------------------*/
1102 write_htmlandlogs(html
, d
, total
, just_preview
);
1112 else if(reduce_ceil
)
1114 swchar
='0'+reduce_ceil
; /* -2, -4 */
1116 else if(stop_shaping
)
1121 printf("Statistics preview generated (-%c switch) - now exiting ...\n", swchar
);
1127 printf("%-22s %-15s mark\n","name","ip");
1130 printf("Writing %s", classmap
);
1131 f
= fopen(classmap
, "w");
1137 /*-----------------------------------------------------------------*/
1138 printf(" + generating iptables and tc classes ... ");
1139 /*-----------------------------------------------------------------*/
1141 for_each(ip
, ips
) if(ip
->mark
> 0) /* works only for IPv4 so far */
1146 duplicate(ip
->addr
,buf
);
1149 buf
=index6_id(ip
->addr
,64-idxtable_bitmask1
);
1153 buf
=index_id(ip
->addr
,32-idxtable_bitmask1
);
1156 string(chain_forward
,6+strlen(buf
));
1157 strcpy(chain_forward
,"forw_");
1158 strcat(chain_forward
,buf
);
1160 string(chain_postrouting
,6+strlen(buf
));
1161 strcpy(chain_postrouting
,"post_");
1162 strcat(chain_postrouting
,buf
);
1168 chain_forward
="FORWARD";
1169 chain_postrouting
="POSTROUTING";
1172 /* packet limits - this will be optional in future */
1175 sprintf(limit_pkts
, "-m limit --limit %d/s --limit-burst %d ",
1176 ip
->pps_limit
, ip
->pps_limit
);
1184 printf("%-22s %-16s %04d %d/s\n", ip
->name
, ip
->addr
, ip
->mark
, ip
->pps_limit
);
1187 /* -------------------------------------------------------- mark download */
1188 sprintf(str
, "-A %s -d %s/%d -o %s -j %s%d",
1189 chain_postrouting
, ip
->addr
, 32*(1+ip
->v6
),
1190 lan
, mark_iptables
, ip
->mark
);
1191 iptables_save_line(str
, ip
->v6
);
1196 sprintf(str, "-A %s -s %s -p tcp --sport %d -d %s/%d -o %s -j %s%d",
1197 chain_postrouting, proxy_ip, proxy_port, ip->addr,
1198 32*(1+ip->v6), lan, mark_iptables, ip->mark);
1199 iptables_save_line(str, ip->v6);
1202 sprintf(str
, "-A %s -d %s/%d -o %s %s-j ACCEPT",
1203 chain_postrouting
, ip
->addr
, 32*(1+ip
->v6
), lan
, limit_pkts
);
1204 iptables_save_line(str
, ip
->v6
);
1206 /* classify overlimit packets to separate overlimit class */
1207 sprintf(str
, "-A %s -d %s/%d -o %s -j %s%d",
1208 chain_postrouting
, ip
->addr
, 32*(1+ip
->v6
),
1209 lan
, mark_iptables
, OVERLIMIT_CLASS
);
1210 iptables_save_line(str
, ip
->v6
);
1212 sprintf(str
, "-A %s -d %s/%d -o %s -j ACCEPT",
1213 chain_postrouting
, ip
->addr
, 32*(1+ip
->v6
), lan
);
1214 iptables_save_line(str
, ip
->v6
);
1216 /* -------------------------------------------------------- mark upload */
1217 sprintf(str
, "-A %s -s %s/%d -o %s -j %s%d",
1218 chain_forward
, ip
->addr
, 32*(1+ip
->v6
), wan
, mark_iptables
, ip
->mark
);
1219 iptables_save_line(str
, ip
->v6
);
1221 sprintf(str
, "-A %s -s %s/%d -o %s %s-j ACCEPT",
1222 chain_forward
, ip
->addr
, 32*(1+ip
->v6
), wan
, limit_pkts
);
1223 iptables_save_line(str
, ip
->v6
);
1225 /* classify overlimit packets to separate overlimit class */
1226 sprintf(str
, "-A %s -s %s/%d -o %s -j %s%d",
1227 chain_forward
, ip
->addr
, 32*(1+ip
->v6
), wan
, mark_iptables
, OVERLIMIT_CLASS
);
1228 iptables_save_line(str
, ip
->v6
);
1230 sprintf(str
, "-A %s -s %s/%d -o %s -j ACCEPT",
1231 chain_forward
, ip
->addr
, 32*(1+ip
->v6
), wan
);
1232 iptables_save_line(str
, ip
->v6
);
1236 /* -------------------------------------------------------- download class */
1238 printf("(down: %dk-%dk ", ip
->min
, ip
->max
);
1241 sprintf(str
, "%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1242 tc
, lan
, ip
->group
, ip
->mark
, ip
->min
, ip
->max
, burst
, ip
->prio
);
1245 if(strcmpi(ip
->keyword
->leaf_discipline
, "none"))
1247 sprintf(str
, "%s qdisc add dev %s parent 1:%d handle %d %s",
1248 tc
, lan
, ip
->mark
, ip
->mark
, ip
->keyword
->leaf_discipline
); /*qos_leaf*/
1252 if(filter_type
== 1)
1254 sprintf(str
, "%s filter add dev %s parent 1:0 protocol ip handle %d fw flowid 1:%d",
1255 tc
, lan
, ip
->mark
, ip
->mark
);
1259 /* -------------------------------------------------------- upload class */
1261 printf("up: %dk-%dk)\n", (int)((ip
->min
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
),
1262 (int)((ip
->max
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
));
1265 sprintf(str
,"%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1266 tc
, wan
, ip
->group
, ip
->mark
,
1267 (int)((ip
->min
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
),
1268 (int)((ip
->max
/ip
->keyword
->asymetry_ratio
)-ip
->keyword
->asymetry_fixed
), burst
, ip
->prio
);
1271 if(strcmpi(ip
->keyword
->leaf_discipline
, "none"))
1273 sprintf(str
, "%s qdisc add dev %s parent 1:%d handle %d %s",
1274 tc
, wan
, ip
->mark
, ip
->mark
, ip
->keyword
->leaf_discipline
); /*qos_leaf*/
1278 if(filter_type
== 1)
1280 sprintf(str
, "%s filter add dev %s parent 1:0 protocol ip handle %d fw flowid 1:%d",
1281 tc
, wan
, ip
->mark
, ip
->mark
);
1287 fprintf(f
, "%s %d\n", ip
->addr
, ip
->mark
);
1293 printf("(sharing %s)\n", ip
->sharing
);
1306 chain_forward
= "forw_common";
1307 chain_postrouting
= "post_common";
1311 chain_forward
= "FORWARD";
1312 chain_postrouting
= "POSTROUTING";
1317 final_chain
= "ACCEPT";
1325 sprintf(str, "-A %s -s %s -p tcp --sport %d -o %s -j %s%d",
1326 chain_postrouting,proxy_ip,proxy_port,lan,mark_iptables, 3);
1327 iptables_save_line(str, FALSE); // only for IPv4
1329 sprintf(str, "-A %s -s %s -p tcp --sport %d -o %s -j %s",
1330 chain_postrouting,proxy_ip,proxy_port,lan,final_chain);
1331 iptables_save_line(str, FALSE); // only for IPv4
1337 sprintf(str
, "-A %s -o %s -j %s%d",
1338 chain_postrouting
, lan
, mark_iptables
, FREE_CLASS
);
1339 iptables_save_line(str
, FALSE
); /* only for IPv4 */
1342 sprintf(str
,"-A %s -o %s -j %s", chain_postrouting
, lan
, final_chain
);
1343 iptables_save_line(str
, FALSE
);
1346 sprintf(str
,"-A %s -o %s -j %s", chain_postrouting
, lan
, final_chain
);
1347 iptables_save_line(str
, TRUE
);
1352 sprintf(str
,"-A %s -o %s -j %s%d", chain_forward
, wan
, mark_iptables
, FREE_CLASS
);
1353 iptables_save_line(str
, FALSE
); /* only for IPv4 */
1356 sprintf(str
,"-A %s -o %s -j %s", chain_forward
, wan
, final_chain
);
1357 iptables_save_line(str
, FALSE
);
1360 sprintf(str
,"-A %s -o %s -j %s", chain_postrouting
, lan
, final_chain
);
1361 iptables_save_line(str
, TRUE
);
1364 if(free_min
) /* allocate free bandwith if it is not zero... */
1366 /*-----------------------------------------------------------------*/
1367 puts("Generating free bandwith class ...");
1368 /*-----------------------------------------------------------------*/
1369 sprintf(str
, "%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1370 tc
, lan
, parent
, FREE_CLASS
, free_min
, free_max
,burst
, lowest_priority
);
1372 sprintf(str
, "%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1373 tc
, wan
, parent
, FREE_CLASS
, free_min
, free_max
, burst
, lowest_priority
);
1376 if(strcmpi(qos_leaf
, "none"))
1378 sprintf(str
,"%s qdisc add dev %s parent 1:%d handle %d %s", tc
, lan
, FREE_CLASS
, FREE_CLASS
, qos_leaf
);
1381 sprintf(str
,"%s qdisc add dev %s parent 1:%d handle %d %s", tc
, wan
, FREE_CLASS
, FREE_CLASS
, qos_leaf
);
1384 /* tc handle 1 fw flowid */
1385 sprintf(str
,"%s filter add dev %s parent 1:0 protocol ip handle %d fw flowid 1:%d", tc
, lan
, FREE_CLASS
, FREE_CLASS
);
1388 sprintf(str
,"%s filter add dev %s parent 1:0 protocol ip handle %d fw flowid 1:%d", tc
, wan
, FREE_CLASS
, FREE_CLASS
);
1391 /*-----------------------------------------------------------------*/
1392 puts("Generating bandwith class for overlimit packets...");
1393 /*-----------------------------------------------------------------*/
1394 sprintf(str
, "%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1395 tc
, lan
, parent
, OVERLIMIT_CLASS
, overlimit_min
, overlimit_max
, burst
, lowest_priority
);
1397 sprintf(str
, "%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1398 tc
, wan
, parent
, OVERLIMIT_CLASS
, overlimit_min
, overlimit_max
, burst
, lowest_priority
);
1401 printf("Total IP count: %d\n", i
);
1402 run_iptables_restore();
1408 /* that's all folks, thank you for reading it all the way up to this point ;-) */
1409 /* bad luck C<<1 is not yet finished, I promise no sprintf() next time... */
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