4 Copyright (C) 2006-2009 Jonathan Zarate
11 #include <sys/sysinfo.h>
13 #include <sys/ioctl.h>
16 #include <sys/socket.h>
17 #include <netinet/in.h>
18 #include <arpa/inet.h>
19 #include <sys/types.h>
22 #include <sys/statfs.h>
24 #include <net/route.h>
33 // to javascript-safe string
34 char *js_string(const char *s
)
40 if ((buffer
= malloc((strlen(s
) * 4) + 1)) != NULL
) {
42 while ((c
= *s
++) != 0) {
43 if ((c
== '"') || (c
== '\'') || (c
== '\\') || (!isprint(c
))) {
44 b
+= sprintf(b
, "\\x%02x", c
);
55 // to html-safe string
56 char *html_string(const char *s
)
62 if ((buffer
= malloc((strlen(s
) * 6) + 1)) != NULL
) {
64 while ((c
= *s
++) != 0) {
65 if ((c
== '&') || (c
== '<') || (c
== '>') || (c
== '"') || (c
== '\'') || (!isprint(c
))) {
66 b
+= sprintf(b
, "&#%d;", c
);
78 char *unix_string(const char *s
)
84 if ((buffer
= malloc(strlen(s
) + 1)) != NULL
) {
86 while ((c
= *s
++) != 0)
87 if (c
!= '\r') *b
++ = c
;
94 char *reltime(char *buf
, time_t t
)
103 sprintf(buf
, "%02d:%02d:%02d", ((m
/ 60) % 24), (m
% 60), (int)(t
% 60));
105 sprintf(buf
, "%d day%s, %02d:%02d:%02d", days
, ((days
==1) ? "" : "s"), ((m
/ 60) % 24), (m
% 60), (int)(t
% 60));
110 int get_client_info(char *mac
, char *ifname
)
115 char ip
[INET6_ADDRSTRLEN
];
117 char ip
[INET_ADDRSTRLEN
];
121 # ip neigh show fe80:0:0::201:02ff:fe03:0405
122 fe80::201:2ff:fe3:405 dev br0 lladdr 00:01:02:03:04:05 REACHABLE
124 if (clientsai
.ss_family
== AF_INET
) {
125 inet_ntop(clientsai
.ss_family
, &(((struct sockaddr_in
*)&clientsai
)->sin_addr
), ip
, sizeof(ip
));
126 sprintf(s
, "ip neigh show %s", ip
);
129 else if (clientsai
.ss_family
== AF_INET6
) {
130 inet_ntop(clientsai
.ss_family
, &(((struct sockaddr_in6
*)&clientsai
)->sin6_addr
), ip
, sizeof(ip
));
131 if (IN6_IS_ADDR_V4MAPPED( &(((struct sockaddr_in6
*)&clientsai
)->sin6_addr
) ))
132 sprintf(s
, "ip neigh show %s", ip
+ 7); // chop off the ::ffff: to get the ipv4 bit
134 sprintf(s
, "ip neigh show %s", ip
);
138 if ((f
= popen(s
, "r")) != NULL
) {
139 while (fgets(s
, sizeof(s
), f
)) {
140 if (sscanf(s
, "%*s dev %16s lladdr %17s %*s", ifname
, mac
) == 2) {
151 // <% lanip(mode); %>
153 // 1 return first 3 octets (192.168.1)
154 // 2 return last octet (1)
155 // else return full (192.168.1.1)
157 void asp_lanip(int argc
, char **argv
)
163 mode
= argc
? *argv
[0] : 0;
165 if ((nv
= nvram_get("lan_ipaddr")) != NULL
) {
167 if ((p
= strrchr(s
, '.')) != NULL
) {
169 web_puts((mode
== '1') ? s
: (mode
== '2') ? (p
+ 1) : nv
);
174 void asp_lipp(int argc
, char **argv
)
180 // <% psup(process); %>
181 // returns 1 if process is running
183 void asp_psup(int argc
, char **argv
)
185 if (argc
== 1) web_printf("%d", pidof(argv
[0]) > 0);
188 void wo_vpn_status(char *url
)
190 #ifdef TCONFIG_OPENVPN
198 if ( (str
= webcgi_get("server")) )
200 else if ( (str
= webcgi_get("client")) )
203 num
= str
? atoi(str
): 0;
204 if ( type
&& num
> 0 )
206 // Trigger OpenVPN to update the status file
207 snprintf(&buf
[0], sizeof(buf
), "vpn%s%d", type
, num
);
208 killall(&buf
[0], SIGUSR2
);
210 // Give it a chance to update the file
213 // Read the status file and repeat it verbatim to the caller
214 snprintf(&buf
[0], sizeof(buf
), "/etc/openvpn/%s%d/status", type
, num
);
215 fp
= fopen(&buf
[0], "r");
218 while (fgets(&buf
[0], sizeof(buf
), fp
) != NULL
)
228 total: used: free: shared: buffers: cached:
229 Mem: 14872576 12877824 1994752 0 1236992 4837376
251 unsigned long shared
;
252 unsigned long buffers
;
253 unsigned long cached
;
254 unsigned long swaptotal
;
255 unsigned long swapfree
;
256 unsigned long maxfreeram
;
259 static int get_memory(meminfo_t
*m
)
265 memset(m
, 0, sizeof(*m
));
266 if ((f
= fopen("/proc/meminfo", "r")) != NULL
) {
267 while (fgets(s
, sizeof(s
), f
)) {
269 if (strncmp(s
, "MemTotal:", 9) == 0) {
270 m
->total
= strtoul(s
+ 12, NULL
, 10) * 1024;
273 else if (strncmp(s
, "MemFree:", 8) == 0) {
274 m
->free
= strtoul(s
+ 12, NULL
, 10) * 1024;
277 else if (strncmp(s
, "Buffers:", 8) == 0) {
278 m
->buffers
= strtoul(s
+ 12, NULL
, 10) * 1024;
281 else if (strncmp(s
, "Cached:", 7) == 0) {
282 m
->cached
= strtoul(s
+ 12, NULL
, 10) * 1024;
286 if (strncmp(s
, "Mem:", 4) == 0) {
287 if (sscanf(s
+ 6, "%ld %*d %ld %ld %ld %ld", &m
->total
, &m
->free
, &m
->shared
, &m
->buffers
, &m
->cached
) == 5)
291 else if (strncmp(s
, "SwapTotal:", 10) == 0) {
292 m
->swaptotal
= strtoul(s
+ 12, NULL
, 10) * 1024;
295 else if (strncmp(s
, "SwapFree:", 9) == 0) {
296 m
->swapfree
= strtoul(s
+ 11, NULL
, 10) * 1024;
308 m
->maxfreeram
= m
->free
;
309 if (nvram_match("t_cafree", "1")) m
->maxfreeram
+= (m
->cached
+ m
->buffers
);
314 #define IP6ADDR_MAX_CNT 3 // wan, lan, lan-ll
315 static void print_ipv6_addrs(void)
317 char buf
[INET6_ADDRSTRLEN
];
320 struct ifaddrs
*ifap
, *ifa
;
321 struct sockaddr_in6
*s6
;
323 if (!ipv6_enabled() || (getifaddrs(&ifap
) != 0))
327 for (ifa
= ifap
; ifa
; ifa
= ifa
->ifa_next
) {
328 if ((ifa
->ifa_addr
== NULL
) || (ifa
->ifa_addr
->sa_family
!= AF_INET6
))
331 s6
= (struct sockaddr_in6
*)(ifa
->ifa_addr
);
333 if (strncmp(ifa
->ifa_name
, nvram_safe_get("lan_ifname"), IFNAMSIZ
) == 0) {
334 if (IN6_IS_ADDR_LINKLOCAL(&s6
->sin6_addr
))
339 else if (strncmp(ifa
->ifa_name
, get_wan6face(), IFNAMSIZ
) == 0) {
340 if (!IN6_IS_ADDR_LINKLOCAL(&s6
->sin6_addr
))
348 if (inet_ntop(ifa
->ifa_addr
->sa_family
, &(s6
->sin6_addr
), buf
, sizeof(buf
)) != NULL
) {
349 web_printf("\tip6_%s: '%s',\n",
351 if (++found
>= IP6ADDR_MAX_CNT
)
359 void asp_calc6rdlocalprefix(int argc
, char **argv
)
361 struct in6_addr prefix_addr
, local_prefix_addr
;
362 int prefix_len
= 0, relay_prefix_len
= 0, local_prefix_len
= 0;
363 struct in_addr wanip_addr
;
364 char local_prefix
[INET6_ADDRSTRLEN
];
367 if (argc
!= 3) return;
369 inet_pton(AF_INET6
, argv
[0], &prefix_addr
);
370 prefix_len
= atoi(argv
[1]);
371 relay_prefix_len
= atoi(argv
[2]);
372 inet_pton(AF_INET
, get_wanip(), &wanip_addr
);
374 if (calc_6rd_local_prefix(&prefix_addr
, prefix_len
, relay_prefix_len
,
375 &wanip_addr
, &local_prefix_addr
, &local_prefix_len
) &&
376 inet_ntop(AF_INET6
, &local_prefix_addr
, local_prefix
, sizeof(local_prefix
)) != NULL
) {
377 sprintf(s
, "\nlocal_prefix = '%s/%d';\n", local_prefix
, local_prefix_len
);
388 dev: size erasesize name
389 mtd0: 00020000 00010000 "pmon"
390 mtd1: 007d0000 00010000 "linux"
398 if ((f
= fopen("/proc/mtd", "r")) != NULL
) {
399 while (fgets(s
, sizeof(s
), f
)) {
400 if (sscanf(s
, "%*s %X %*s %16s", &size
, partname
) != 2) continue;
401 if (strcmp(partname
, "\"linux\"") == 0) {
409 if (nvram_match("boardtype", "0x052b") && nvram_match("boardrev", "02")) return 128; //Netgear 3500L v2 has 128MB NAND flash but linux partition has only 32MB
410 else if ((size
> 0x2000000) && (size
< 0x4000000)) return 64;
411 else if ((size
> 0x1000000) && (size
< 0x2000000)) return 32;
412 else if ((size
> 0x800000) && (size
< 0x1000000)) return 16;
413 else if ((size
> 0x400000) && (size
< 0x800000)) return 8;
414 else if ((size
> 0x200000) && (size
< 0x400000)) return 4;
415 else if ((size
> 0x100000) && (size
< 0x200000)) return 2;
423 void asp_jiffies(int argc
, char **argv
)
430 const char procstat
[] = "/proc/stat";
431 if ((a
= fopen(procstat
, "r")) != NULL
) {
432 fgets(sa
, sizeof(sa
), a
);
436 if ((e
= strchr(sa
, ' ')) != NULL
) e
= e
+ 2;
438 if ((f
= strchr(sa
, 10)) != NULL
) *f
= 0;
440 web_printf("\njiffies = [ '");
447 void asp_etherstates(int argc
, char **argv
)
450 char s
[32], *a
, b
[16];
453 if ((nvram_get_int("lan_state") & 1)) {
455 web_puts("\netherstates = {");
457 system("/usr/sbin/ethstate");
459 if ((f
= fopen("/tmp/ethernet.state", "r")) != NULL
) {
460 while (fgets(s
, sizeof(s
), f
)) {
461 if (sscanf(s
, "Port 0: %s", b
) == 1) a
="port0";
462 else if (sscanf(s
, "Port 1: %s", b
) == 1) a
="port1";
463 else if (sscanf(s
, "Port 2: %s", b
) == 1) a
="port2";
464 else if (sscanf(s
, "Port 3: %s", b
) == 1) a
="port3";
465 else if (sscanf(s
, "Port 4: %s", b
) == 1) a
="port4";
468 web_printf("%s\t%s: '%s'", n
? ",\n" : "", a
, b
);
475 web_puts("\netherstates = {\tport0: 'disabled'\n};\n");
479 void asp_sysinfo(int argc
, char **argv
)
489 const char procstat
[] = "/proc/stat";
491 char system_type
[64];
496 get_cpuinfo(system_type
, cpu_model
, bogomips
, cpuclk
);
498 web_puts("\nsysinfo = {\n");
507 "\tuptime_s: '%s',\n"
508 "\tloads: [%ld, %ld, %ld],\n"
512 "\tbufferram: %ld,\n"
514 "\ttotalswap: %ld,\n"
516 "\ttotalfreeram: %ld,\n"
519 "\tsystemtype: '%s',\n"
520 "\tcpumodel: '%s',\n"
521 "\tbogomips: '%s',\n"
524 reltime(s
, si
.uptime
),
525 si
.loads
[0], si
.loads
[1], si
.loads
[2],
527 mem
.shared
, mem
.buffers
, mem
.cached
,
528 mem
.swaptotal
, mem
.swapfree
,
537 if ((a
= fopen(procstat
, "r")) != NULL
) {
538 fgets(sa
, sizeof(sa
), a
);
540 if ((e
= strchr(sa
, ' ')) != NULL
) e
= e
+ 2;
541 if ((f
= strchr(sa
, 10)) != NULL
) *f
= 0;
542 web_printf(",\n\tjiffies: '");
553 void asp_activeroutes(int argc
, char **argv
)
559 unsigned long gateway
;
569 web_puts("\nactiveroutes = [");
571 if ((f
= fopen("/proc/net/route", "r")) != NULL
) {
572 while (fgets(s
, sizeof(s
), f
)) {
573 if (sscanf(s
, "%16s%lx%lx%lx%*s%*s%u%lx", dev
, &dest
, &gateway
, &flags
, &metric
, &mask
) != 6) continue;
574 if ((flags
& RTF_UP
) == 0) continue;
577 strcpy(s_dest
, inet_ntoa(ia
));
580 strcpy(s_dest
, "default");
584 strcpy(s_gateway
, inet_ntoa(ia
));
587 strcpy(s_gateway
, "*");
590 strcpy(s_mask
, inet_ntoa(ia
));
591 web_printf("%s['%s','%s','%s','%s',%u]", n
? "," : "", dev
, s_dest
, s_gateway
, s_mask
, metric
);
600 struct sockaddr_in6 snaddr6
;
601 char addr6
[40], nhop6
[40];
603 if ((ipv6_enabled()) &&
604 (f
= fopen("/proc/net/ipv6_route", "r")) != NULL
) {
605 while (fgets(s
, sizeof(s
), f
)) {
606 if (sscanf(s
, "%32s%x%*s%*s%32s%x%*s%*s%lx%s\n",
607 addr6x
+14, &pxlen
, addr6x
+40+7, &metric
, &flags
, dev
) != 6) continue;
609 if ((flags
& RTF_UP
) == 0) continue;
615 if (i
== 40) { // nul terminator for 1st address?
616 addr6x
[39] = 0; // Fixup... need 0 instead of ':'.
617 ++p
; // Skip and continue.
626 } while (i
< 40+28+7);
628 inet_pton(AF_INET6
, addr6x
, (struct sockaddr
*) &snaddr6
.sin6_addr
);
629 if (IN6_IS_ADDR_UNSPECIFIED(&snaddr6
.sin6_addr
))
630 strcpy(addr6
, "default");
632 inet_ntop(AF_INET6
, &snaddr6
.sin6_addr
, addr6
, sizeof(addr6
));
634 inet_pton(AF_INET6
, addr6x
+ 40, (struct sockaddr
*) &snaddr6
.sin6_addr
);
635 if (IN6_IS_ADDR_UNSPECIFIED(&snaddr6
.sin6_addr
))
638 inet_ntop(AF_INET6
, &snaddr6
.sin6_addr
, nhop6
, sizeof(nhop6
));
640 web_printf("%s['%s','%s','%s','%d',%u]", n
? "," : "", dev
, addr6
, nhop6
, pxlen
, metric
);
651 void asp_cgi_get(int argc
, char **argv
)
656 for (i
= 0; i
< argc
; ++i
) {
657 v
= webcgi_get(argv
[i
]);
662 void asp_time(int argc
, char **argv
)
669 web_puts("Not Available");
672 strftime(s
, sizeof(s
), "%a, %d %b %Y %H:%M:%S %z", localtime(&t
));
677 void asp_wanup(int argc
, char **argv
)
679 web_puts(check_wanup() ? "1" : "0");
682 void asp_wanstatus(int argc
, char **argv
)
686 if ((using_dhcpc()) && (f_exists("/var/lib/misc/dhcpc.renewing"))) {
689 else if (check_wanup()) {
692 else if (f_exists("/var/lib/misc/wan.connecting")) {
693 int proto
= get_wan_proto();
697 if ((proto
== WP_PPPOE
|| proto
== WP_PPP3G
) && f_exists("/tmp/ppp/log")) {
700 f_read_string("/tmp/ppp/log", s
, sizeof(s
));
702 if (strcmp(s
, "PADO_TIMEOUT") == 0 || strcmp(s
, "PADS_TIMEOUT") == 0) {
703 web_printf("Timed out%s", nvram_get_int("ppp_demand") == 0 ? ", Trying again...":"");
704 } else if (strcmp(s
, "PAP_AUTH_FAIL") == 0 || strcmp(s
, "CHAP_AUTH_FAIL") == 0) {
705 web_printf("Authentication failed%s", nvram_get_int("ppp_demand") == 0 ? ", Trying again...":"");
721 void asp_link_uptime(int argc
, char **argv
)
731 if (f_read("/var/lib/misc/wantime", &uptime
, sizeof(uptime
)) == sizeof(uptime
)) {
732 reltime(buf
, si
.uptime
- uptime
);
738 void asp_link_starttime(int argc
, char **argv
)
746 if (!check_wanup() && f_exists("/var/lib/misc/wan.connecting")) {
748 if (f_read("/var/lib/misc/wan.connecting", &uptime
, sizeof(uptime
)) == sizeof(uptime
)) {
749 reltime(buf
, si
.uptime
- uptime
);
755 void asp_rrule(int argc
, char **argv
)
760 i
= nvram_get_int("rruleN");
761 sprintf(s
, "rrule%d", i
);
762 web_puts("\nrrule = '");
763 web_putj(nvram_safe_get(s
));
764 web_printf("';\nrruleN = %d;\n", i
);
767 void asp_compmac(int argc
, char **argv
)
772 if (get_client_info(mac
, ifname
)) {
777 void asp_ident(int argc
, char **argv
)
779 web_puth(nvram_safe_get("router_name"));
782 void asp_statfs(int argc
, char **argv
)
787 if (argc
!= 2) return;
789 // used for /cifs/, /jffs/... if it returns squashfs type, assume it's not mounted
790 if ((statfs(argv
[0], &sf
) != 0) || (sf
.f_type
== 0x73717368)) {
792 memset(&sf
, 0, sizeof(sf
));
794 // for jffs, try to get total size from mtd partition
795 if (strncmp(argv
[1], "jffs", 4) == 0) {
798 if (mtd_getinfo(argv
[1], &part
, (int *)&sf
.f_blocks
)) {
815 ((uint64_t)sf
.f_bsize
* sf
.f_blocks
),
816 ((uint64_t)sf
.f_bsize
* sf
.f_bfree
));
819 void asp_notice(int argc
, char **argv
)
824 if (argc
!= 1) return;
825 snprintf(s
, sizeof(s
), "/var/notice/%s", argv
[0]);
826 if (f_read_string(s
, buf
, sizeof(buf
)) <= 0) return;
830 void wo_wakeup(char *url
)
836 if ((mac
= webcgi_get("mac")) != NULL
) {
837 end
= mac
+ strlen(mac
);
839 while ((*mac
== ' ') || (*mac
== '\t') || (*mac
== '\r') || (*mac
== '\n')) ++mac
;
840 if (*mac
== 0) break;
843 while ((*p
!= 0) && (*p
!= ' ') && (*p
!= '\r') && (*p
!= '\n')) ++p
;
846 eval("ether-wake", "-b", "-i", nvram_safe_get("lan_ifname"), mac
);
848 if (strcmp(nvram_safe_get("lan1_ifname"), "") != 0)
849 eval("ether-wake", "-b", "-i", nvram_safe_get("lan1_ifname"), mac
);
850 if (strcmp(nvram_safe_get("lan2_ifname"), "") != 0)
851 eval("ether-wake", "-b", "-i", nvram_safe_get("lan2_ifname"), mac
);
852 if (strcmp(nvram_safe_get("lan3_ifname"), "") != 0)
853 eval("ether-wake", "-b", "-i", nvram_safe_get("lan3_ifname"), mac
);
861 void asp_dns(int argc
, char **argv
)
865 const dns_list_t
*dns
;
867 dns
= get_dns(); // static buffer
868 strcpy(s
, "\ndns = [");
869 for (i
= 0 ; i
< dns
->count
; ++i
) {
870 sprintf(s
+ strlen(s
), "%s'%s:%u'", i
? "," : "", inet_ntoa(dns
->dns
[i
].addr
), dns
->dns
[i
].port
);
876 int resolve_addr(const char *ip
, char *host
)
878 struct addrinfo hints
;
879 struct addrinfo
*res
;
882 memset(&hints
, 0, sizeof(hints
));
883 hints
.ai_family
= AF_UNSPEC
;
884 hints
.ai_socktype
= SOCK_STREAM
;
886 ret
= getaddrinfo(ip
, NULL
, &hints
, &res
);
888 ret
= getnameinfo(res
->ai_addr
, res
->ai_addrlen
, host
, NI_MAXHOST
, NULL
, 0, 0);
894 void wo_resolve(char *url
)
898 char host
[NI_MAXHOST
];
903 web_puts("\nresolve_data = [\n");
904 if ((p
= webcgi_get("ip")) != NULL
) {
905 while ((ip
= strsep(&p
, ",")) != NULL
) {
906 if (resolve_addr(ip
, host
) != 0) continue;
907 js
= js_string(host
);
908 web_printf("%c['%s','%s']", comma
, ip
, js
);