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open-source-search-engine/ipconfig.cpp
mwells 34b6d3e74a fixed some cores. brought in fixes from 
old repo.
2013-09-08 16:16:13 -06:00

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#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h> // for opendir()
#include <dirent.h> // for opendir()
#include <time.h> // for time()
#include <ctype.h>
#include <sys/socket.h> // inet_ntoa()
#include <netinet/in.h> // inet_ntoa()
#include <arpa/inet.h> // inet_ntoa()
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
char g_name[64];
char *g_hosts[5000];
char *g_ips [5000];
long g_numHosts = 0;
void setHosts () ;
void add ( char *s );
void add ( char *prefix , long num );
void setS99Local ();
void setEtcHosts ();
void setEtcNetworkInterfaces ();
void setEtcSshSshdconfig ();
void setEtcPasswd();
void setAlias ();
void setEtcResolv ();
void setKnownHosts ();
char *getIp ( char *hostname );
// usage . no args!
int main ( int argc , char *argv[] ) {
// get hostname
FILE *fd = fopen ("/etc/hostname","r");
if ( ! fd ) {
fprintf(stderr,"could not open /etc/hostname\n");
exit(-1);
}
if ( argc != 1 ) {
fprintf(stderr,"does not take any args. put hostname in "
"/etc/hostname\n");
exit(-1);
}
// set the hostname into g_name[]
fgets ( g_name , 60 , fd );
// remove \n
if ( g_name[strlen(g_name)-1] == '\n' )
g_name[strlen(g_name)-1] = '\0';
// . avoid all this junk for our routers
// . these guys have special ip tables crap, routes, etc.
if ( strcmp(g_name,"router0") == 0 ) return 0;
if ( strcmp(g_name,"router1") == 0 ) return 0;
if ( strcmp(g_name,"gk268") == 0 ) return 0; // router2
if ( strcmp(g_name,"voyager2") == 0 ) return 0;
if ( strcmp(g_name,"titan") == 0 ) return 0;
// set startup to run mkraid
setS99Local();
// . set the g_hosts and g_ips arrays
// . set from /etc/hosts actually
// . this must be called first to set g_hosts[], etc.
setHosts();
// set /etc/hosts, uses g_hosts[] now
setEtcHosts ();
// set /etc/network/interfaces
setEtcNetworkInterfaces();
// set /etc/ssh/sshd_config
setEtcSshSshdconfig ();
// . restart that
// . ss machines just need a restart on eth1
if ( g_name[0]=='s' && g_name[1] == 's' )
system ( "/sbin/ifdown eth1 ; /sbin/ifup eth1");
else
system ( "/etc/init.d/networking restart");
// restart sshd
system ("/etc/init.d/ssh restart");
// update /etc/passwd
setEtcPasswd();
// update /home/mwells/.alias
setAlias ();
// update /etc/resolv.conf
setEtcResolv ();
setKnownHosts ();
}
void setS99Local () {
FILE *fd = fopen ("/etc/rcS.d/S99local", "w" );
if ( ! fd ) {
fprintf(stderr,"could not open /etc/rcS.d/S99local: %s\n",
strerror(errno));
return;
}
fprintf(fd,
"# increase network read buffer\n"
"# make even bigger for gigabit network later (10MB)\n"
"# echo 10048576 > /proc/sys/net/core/rmem_max\n"
"# this causes \"IP: frag: no memory for new fragment!\" failures in dmesg\n"
"# increase gigabit network read/write buffers otherwise we lose udp packets\n"
"echo 10000000 > /proc/sys/net/core/rmem_max\n"
"echo 5000000 > /proc/sys/net/core/wmem_max\n"
"\n"
);
fprintf(fd,
"/usr/sbin/elvtune -w 32 /dev/sda\n"
"/usr/sbin/elvtune -w 32 /dev/sdb\n"
"/usr/sbin/elvtune -w 32 /dev/sdc\n"
"/usr/sbin/elvtune -w 32 /dev/sdd\n"
"\n"
);
// make raid and mount if not already mounted
// a lot of times after reboot something fails!
fprintf(fd,
"raidstop /dev/md0\n"
"mkraid -c /etc/raidtab --really-force /dev/md0\n"
"mount /dev/md0\n"
"\n"
);
fclose(fd);
}
void setKnownHosts () {
FILE *fd = fopen ("/home/mwells/.ssh/authorized_keys2", "w" );
if ( ! fd ) {
fprintf(stderr,"could not open /home/mwells/authorized_keys2: %s\n",
strerror(errno));
return;
}
// set authorized_keys2 for mwells
fprintf ( fd ,
"ssh-dss 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 root@ss0\n"
"ssh-dss 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 mwells@voyager\n"
);
fclose(fd);
// set our private/public key pairs too for mwells
fd = fopen ("/home/mwells/.ssh/id_dsa.pub", "w" );
if ( ! fd ) {
fprintf(stderr,"could not open /home/mwells/id_dsa.pub: %s\n",
strerror(errno));
return;
}
fprintf ( fd ,
"ssh-dss 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 root@ss0\n" );
fclose ( fd );
// mwells private key
fd = fopen ("/home/mwells/.ssh/id_dsa", "w" );
if ( ! fd ) {
fprintf(stderr,"could not open /home/mwells/id_dsa: %s\n",
strerror(errno));
return;
}
fprintf ( fd ,
"-----BEGIN DSA PRIVATE KEY-----\n"
"MIIBuwIBAAKBgQCtZaaHYM/uI2zjYiFG5eOFB0yPG4niqZU2o1NOYYKrBqkenvFs\n"
"pAzHim4KhgRrMtW62vyxz4e5foNwud6pOnno49/F8t9tB+tGtVOc1ArNdpIwjEzK\n"
"7sq5DO8rSGsHZjZfGW586yVbHYFLYucKZ7LBxNbvj614Y01nAMpNsE/CtwIVAOun\n"
"m3xFeZTEFCdFR+1noEl2R2E/AoGBAJxDoQsJWQUP7BzNDqxs12IM05cqZfnPBw6C\n"
"pppB1s/JbAtvsALeRwVD77Db7g8Xdby9lSJte9TKR06aCHel3NG2j+R0V/1B87sl\n"
"ib3NbhyLok1cqVbgXvb9BRM5IoBR0eBozbnG5jhsKLX4W7nVxRbCDQ+tUU33s0nU\n"
"bKB3/6BYAoGAL34kqvvw9w6vkko7MMwHaE37Q4kQLHTNHNw/1PZDj6ivxaFekgpB\n"
"55JTUEDs+IZ07P6gLv6dySLpeep0NTzdeUg2Y8IiRoFxUnN1uuIqf5Ngac5l7yvI\n"
"Zf/TvIM2diIrFRmXI9uBF8tnncfX01VQdONbWxESUUfEcf1mD8YVG6MCFDZr9x3S\n"
"gG97b2U+XB8PUr5BScuO\n"
"-----END DSA PRIVATE KEY-----\n" );
fclose ( fd );
fd = fopen ("/home/mwells/.ssh/known_hosts", "w" );
if ( ! fd ) {
fprintf(stderr,"could not open /home/mwells/known_hosts: %s\n",
strerror(errno));
return;
}
// generate known_hosts
for ( long i = 0 ; i < g_numHosts ; i++ )
fprintf(fd,"%s,%s ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA8BS6BJTV3Ial3aiX0aMp3fCA"
"e+cW23fk7E4lmrPJqcR0bYZR9yyvM3B0MdI2UWxo+NQ102gXprStZfvgKff0yZpdl0+hNfnseJiOE4OA"
"BvwMKI8PIHKC35Oru+9DE2ITyEgUrriTig51JT9KCfHk6LaqLM83+yr8+Mr63LDSEI0=\n" ,
g_hosts[i],g_ips[i]);
fclose(fd);
//
// same for root
//
fd = fopen ("/root/.ssh/authorized_keys2", "w" );
if ( ! fd ) {
fprintf(stderr,"could not open /root/.ssh/authorized_keys2: %s\n",
strerror(errno));
return;
}
// set authorized_keys2 for root
fprintf ( fd ,
"ssh-dss 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 root@ss0\n"
"ssh-dss AAAAB3NzaC1kc3MAAACBANWHAJuWoH7pLAjtEqy0mqVi5sItvmlYO59LQ+a1UFETRBqhEkem9UMNmR+Ya+aQm9Dzo4RtjRWox+Z8tOCmLBymNfw/3x/ifxZwZZC8f4q81gYxuupHybHjONXEuu4gRYk1K/XNYSYFz93JuX5e90rb/IFl9MYKHtbWhPpDKQg3AAAAFQDVzEJweeVo2ROCjvSDQLHOZUURLQAAAIA39/oEFHywhxseB76dz5JeuWsu/p+Wex+0Yro4koWs5qkiUV91aHn1NNTSLWV2KZcSTwanfsoQ4QP7QZPDJyMQtd7MZE9d/5ZNiEVUMcpF5NBVg5ZQ4Hb3L8k5m/NMjLsgC2AEnMOnB1UT3lJgU33hXvivqAWZkzIwxFJsNwdJ0wAAAIBfAHl7wzdF9kOXB5LD87OJu3Hx9y9WS4yCk9Fz6d8173rVBX5tmOvH7nHQQoS1/lV9vlIVaTQPVZFqnmXu0dqoIEUYRTDxNkZVsbbwYJcJCZG9YL10x7IPucOUmoqStXlMDyOjO4SspNOaMOD0+dXohfcNkaTnZdk/DfeelFBZvw== mwells@voyager\n"
);
fclose(fd);
// set our private/public key pairs too for root
fd = fopen ("/root/.ssh/id_dsa.pub", "w" );
if ( ! fd ) {
fprintf(stderr,"could not open /root/id_dsa.pub: %s\n",
strerror(errno));
return;
}
fprintf ( fd ,
"ssh-dss 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 root@ss0\n" );
fclose ( fd );
// root private key
fd = fopen ("/root/.ssh/id_dsa", "w" );
if ( ! fd ) {
fprintf(stderr,"could not open /root/id_dsa: %s\n",
strerror(errno));
return;
}
fprintf ( fd ,
"-----BEGIN DSA PRIVATE KEY-----\n"
"MIIBuwIBAAKBgQCtZaaHYM/uI2zjYiFG5eOFB0yPG4niqZU2o1NOYYKrBqkenvFs\n"
"pAzHim4KhgRrMtW62vyxz4e5foNwud6pOnno49/F8t9tB+tGtVOc1ArNdpIwjEzK\n"
"7sq5DO8rSGsHZjZfGW586yVbHYFLYucKZ7LBxNbvj614Y01nAMpNsE/CtwIVAOun\n"
"m3xFeZTEFCdFR+1noEl2R2E/AoGBAJxDoQsJWQUP7BzNDqxs12IM05cqZfnPBw6C\n"
"pppB1s/JbAtvsALeRwVD77Db7g8Xdby9lSJte9TKR06aCHel3NG2j+R0V/1B87sl\n"
"ib3NbhyLok1cqVbgXvb9BRM5IoBR0eBozbnG5jhsKLX4W7nVxRbCDQ+tUU33s0nU\n"
"bKB3/6BYAoGAL34kqvvw9w6vkko7MMwHaE37Q4kQLHTNHNw/1PZDj6ivxaFekgpB\n"
"55JTUEDs+IZ07P6gLv6dySLpeep0NTzdeUg2Y8IiRoFxUnN1uuIqf5Ngac5l7yvI\n"
"Zf/TvIM2diIrFRmXI9uBF8tnncfX01VQdONbWxESUUfEcf1mD8YVG6MCFDZr9x3S\n"
"gG97b2U+XB8PUr5BScuO\n"
"-----END DSA PRIVATE KEY-----\n" );
fclose ( fd );
fd = fopen ("/root/.ssh/known_hosts", "w" );
if ( ! fd ) {
fprintf(stderr,"could not open /root/known_hosts: %s\n",
strerror(errno));
return;
}
// generate known_hosts
for ( long i = 0 ; i < g_numHosts ; i++ )
fprintf(fd,"%s,%s ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA8BS6BJTV3Ial3aiX0aMp3fCA"
"e+cW23fk7E4lmrPJqcR0bYZR9yyvM3B0MdI2UWxo+NQ102gXprStZfvgKff0yZpdl0+hNfnseJiOE4OA"
"BvwMKI8PIHKC35Oru+9DE2ITyEgUrriTig51JT9KCfHk6LaqLM83+yr8+Mr63LDSEI0=\n" ,
g_hosts[i],g_ips[i]);
fclose(fd);
// write the ALL file into /etc/dsh/group/ALL only for ss0
if ( strcmp(g_name,"ss0")!= 0 ) return;
fd = fopen ("/a/ALL", "w" );
if ( ! fd ) {
fprintf(stderr,"could not open /a/ALL: %s\n",
strerror(errno));
return;
}
// . print each hostname into "ALL"
// . they include titan, etc. too!
for ( long i = 0 ; i < g_numHosts ; i++ ) {
// skip if internal
if ( strstr(g_hosts[i],"i") ) continue;
if ( ! getIp(g_hosts[i]) ) continue;
fprintf(fd,"%s\n",g_hosts[i]);
}
fclose(fd);
}
void setEtcResolv () {
FILE *fd = fopen ("/etc/resolv.conf", "w" );
if ( ! fd ) {
fprintf(stderr,"could not open /etc/resolv.conf: %s\n",
strerror(errno));
return;
}
// set sshd config
fprintf ( fd ,
"#nameserver 10.5.0.2\n"
"nameserver 10.5.0.3\n"
);
fclose(fd);
}
void setAlias () {
FILE *fd = fopen ("/home/mwells/.alias", "w" );
if ( ! fd ) {
fprintf(stderr,"could not open /home/mwells/.alias: %s\n",
strerror(errno));
return;
}
// set sshd config
fprintf ( fd ,
"alias shutdown=\"/sbin/shutdown -h now\"\n"
"alias ps=\"ps auxww\"\n"
"alias mv=\"mv -i\"\n"
"alias t=\"tail -f log???\"\n"
"alias tt=\"tail -f tmplog???\"\n"
"alias tp=\"tail -f proxylog\"\n"
"alias dps=\"dsh -c -f all 'ps auxww | grep gb | grep -v grep'\"\n"
);
fclose ( fd );
}
void setEtcPasswd () {
FILE *fd = fopen ("/etc/passwd", "w" );
if ( ! fd ) {
fprintf(stderr,"could not open /etc/passwd: %s\n",
strerror(errno));
return;
}
// set sshd config
fprintf ( fd ,
"root:$1$qCnW2Bjd$.tTgYBHgx1WutBN5XXOVX/:0:0:root:/root:/bin/bash\n"
"daemon:*:1:1:daemon:/usr/sbin:/bin/sh\n"
"bin:*:2:2:bin:/bin:/bin/sh\n"
"sys:*:3:3:sys:/dev:/bin/sh\n"
"sync:*:4:65534:sync:/bin:/bin/sync\n"
"games:*:5:60:games:/usr/games:/bin/sh\n"
"man:*:6:12:man:/var/cache/man:/bin/sh\n"
"lp:*:7:7:lp:/var/spool/lpd:/bin/sh\n"
"mail:*:8:8:mail:/var/mail:/bin/sh\n"
"news:*:9:9:news:/var/spool/news:/bin/sh\n"
"uucp:*:10:10:uucp:/var/spool/uucp:/bin/sh\n"
"proxy:*:13:13:proxy:/bin:/bin/sh\n"
"www-data:*:33:33:www-data:/var/www:/bin/sh\n"
"backup:*:34:34:backup:/var/backups:/bin/sh\n"
"list:*:38:38:Mailing\n"
"irc:*:39:39:ircd:/var/run/ircd:/bin/sh\n"
"gnats:*:41:41:Gnats\n"
"nobody:*:65534:65534:nobody:/nonexistent:/bin/sh\n"
"Debian-exim:!:102:102::/var/spool/exim4:/bin/false\n"
"mwells:$1$XihGnGcG$jgwnEEK5O72nra72SMDO00:1000:1000:Matt Wells,,,:/home/mwells:/bin/bash\n"
"sshd:!:100:65534::/var/run/sshd:/bin/false\n"
"ntp:!:104:104::/home/ntp:/bin/false\n"
);
fclose(fd);
}
void setEtcSshSshdconfig () {
FILE *fd = fopen ("/etc/ssh/sshd_config", "w" );
if ( ! fd ) {
fprintf(stderr,"could not open /etc/ssh/sshd_config: %s\n",
strerror(errno));
return;
}
// set sshd config
fprintf ( fd ,
"# Package generated configuration file\n"
"# See the sshd(8) manpage for defails\n"
"\n"
"# What ports, IPs and protocols we listen for\n"
"Port 22\n"
"# Use these options to restrict which interfaces/protocols sshd will bind to\n"
"#ListenAddress ::\n"
"#ListenAddress 0.0.0.0\n"
"Protocol 2\n"
"# HostKeys for protocol version 2\n"
"HostKey /etc/ssh/ssh_host_rsa_key\n"
"HostKey /etc/ssh/ssh_host_dsa_key\n"
"#Privilege Separation is turned on for security\n"
"UsePrivilegeSeparation yes\n"
"\n"
"# ...but breaks Pam auth via kbdint, so we have to turn it off\n"
"# Use PAM authentication via keyboard-interactive so PAM modules can\n"
"# properly interface with the user (off due to PrivSep)\n"
"PAMAuthenticationViaKbdInt no\n"
"# Lifetime and size of ephemeral version 1 server key\n"
"KeyRegenerationInterval 3600\n"
"ServerKeyBits 768\n"
"\n"
"# Logging\n"
"SyslogFacility AUTH\n"
"LogLevel INFO\n"
"\n"
"# Authentication:\n"
"LoginGraceTime 600\n"
"PermitRootLogin yes\n"
"StrictModes yes\n"
"\n"
"RSAAuthentication yes\n"
"PubkeyAuthentication yes\n"
"#AuthorizedKeysFile %%h/.ssh/authorized_keys\n"
"\n"
"# rhosts authentication should not be used\n"
"RhostsAuthentication no\n"
"# Don't read the user's ~/.rhosts and ~/.shosts files\n"
"IgnoreRhosts yes\n"
"# For this to work you will also need host keys in /etc/ssh_known_hosts\n"
"RhostsRSAAuthentication no\n"
"# similar for protocol version 2\n"
"HostbasedAuthentication no\n"
"# Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication\n"
"#IgnoreUserKnownHosts yes\n"
"\n"
"# To enable empty passwords, change to yes (NOT RECOMMENDED)\n"
"PermitEmptyPasswords no\n"
"\n"
"# Uncomment to disable s/key passwords \n"
"#ChallengeResponseAuthentication no\n"
"\n"
"# To disable tunneled clear text passwords, change to no here!\n"
"PasswordAuthentication yes\n"
"\n"
"# To change Kerberos options\n"
"#KerberosAuthentication no\n"
"#KerberosOrLocalPasswd yes\n"
"#AFSTokenPassing no\n"
"#KerberosTicketCleanup no\n"
"\n"
"# Kerberos TGT Passing does only work with the AFS kaserver\n"
"#KerberosTgtPassing yes\n"
"\n"
"X11Forwarding no\n"
"X11DisplayOffset 10\n"
"PrintMotd no\n"
"#PrintLastLog no\n"
"KeepAlive yes\n"
"#UseLogin no\n"
"\n"
"#MaxStartups 10:30:60\n"
"#Banner /etc/issue.net\n"
"#ReverseMappingCheck yes\n"
"\n"
"Subsystem sftp /usr/lib/sftp-server\n"
"\n"
"#lets keep our connections alive (matt wells)\n"
"ClientAliveInterval 30\n"
"#ClientAliveMaxCount 3\n"
"\n"
"#AllowUsers mwells@38.114.104.* mwells@70.90.210.249\n"
"\n"
);
fclose ( fd );
}
void setHosts () {
//add("67.16.94.2 gigablast.com\n");
add("207.251.60.162 gigablast.com\n");
add("207.251.60.162 rooftop\n");
//add("10.5.0.1 soekris");
add("10.5.0.2 router0");
add("10.5.0.3 router1");
add("10.5.56.78 router2"); // gk268 to roadrunner
add("10.5.56.77 router-cnsp");
add("10.5.56.78 router-rr");
// this dedicated server is at softlayer.com
add("50.22.70.146 qcproxy1"); // query compression proxy
add("50.22.121.60 qcproxy1b"); // alias
add("50.22.121.61 qcproxy1c"); // alias
add("50.22.70.146 gw1"); // query compression proxy
add("69.64.70.68 gw2");
// this dedicated server is at serverpronto.com
add("65.111.171.90 scproxy1");
add("64.22.106.82 scproxy2");
add("64.22.106.83 scproxy2");
add("75.160.49.8 mattshouse");
add("10.5.0.2 proxy0");
add("10.5.0.2 proxyi0");
add("10.5.0.3 proxy1");
add("10.6.0.3 proxyi1");
// going away...
//add("10.5.50.1 oldproxy0");
//add("10.6.50.1 oldproxyi0");
// try these:
//add("10.6.0.2 proxyi0");
// make gf49 the universal proxy
//add("10.5.62.59 proxy");
// this ip address receives email from the internet
//add("10.5.0.5 epgin");
// this ip address receives email to be sent out onto the
// internet, from a local thunderbird of outlook client. i
// guess that mail.gigablast.com should send its mail out
// through the epg on this ip.
//add("10.5.0.6 epgout");
add("10.5.0.9 roomalert");
add("10.5.54.47 mail");
add("10.5.1.200 voyager\n");
add("10.5.1.201 voyager2\n");
add("10.5.1.202 voyager3\n");
add("10.5.1.203 titan\n");
add("10.5.1.24 galileo\n");
// g
for ( long i = 0 ; i <= 18 ; i++ )
add("g",i);
// gb
for ( long i = 0 ; i <= 17 ; i++ )
add("gb",i);
// gf
for ( long i = 0 ; i <= 49 ; i++ )
add("gf",i);
// gk
for ( long i = 0 ; i <= 271 ; i++ )
add("gk",i);
// ss
for ( long i = 0 ; i <= 147 ; i++ )
add("ss",i);
// sp
for ( long i = 0 ; i <= 13 ; i++ )
add("sp",i);
}
void add ( char *s ) {
static char s_buf[100000];
static char *s_ptr = s_buf;
char *src = s;
char *dst = s_ptr;
// save it
g_ips [ g_numHosts ] = dst;
// store it
while ( isdigit(*src) || *src=='.')
*dst++ = *src++;
// term it
*dst++ = '\0';
// now the ip as a string
while ( ! isalnum(*src ) ) src++;
// save that too
g_hosts [ g_numHosts ] = dst;
// store it
while ( *src && ! isspace(*src) )
*dst++ = *src++;
// term it
*dst++ = '\0';
// update buf ptr for next host
s_ptr = dst;
g_numHosts++;
}
// add as a partial
void add ( char *prefix , long num ) {
// make the hostname
char buf[64];
sprintf ( buf , "%s%li" , prefix , num );
// get ip
char *ips = getIp ( buf ) ;
// make another buf
char buf2[128];
// store that
sprintf ( buf2 , "10.5.%s %s%li" , ips , prefix , num );
// add it
add ( buf2 );
// store the eth1 too
sprintf ( buf2 , "10.6.%s %si%li" , ips , prefix , num );
// add it
add ( buf2 );
}
void setEtcHosts () {
FILE *fd = fopen ("/etc/hosts","w");
if ( ! fd ) {
fprintf(stderr,"could not open "
"/etc/hosts: %s\n",
strerror(errno));
return;
}
//
// special cases
//
// gk37 also needs this line
// but i am not sure it won't mess other hosts up!
// # sendmail needs this
if ( strcmp(g_name,"gk37") == 0 ) {
//fprintf(fd,"67.16.94.2 gigablast.com gk37\n");
fprintf(fd,"67.16.94.2 gk37\n");
fprintf(fd,"\n");
}
fprintf(fd,"10.5.1.100 cam0 # alarm monitor\n");
fprintf(fd,"10.5.1.101 cam1 # west window\n");
fprintf(fd,"10.5.1.102 cam2 # backyard\n");
fprintf(fd,"10.5.1.103 cam3 # east window\n");
fprintf(fd,"10.5.1.104 cam4 # inside safe\n");
fprintf(fd,"10.5.1.105 cam5 # dark room\n" );
fprintf(fd,"10.5.1.110 cam10 # west pole\n");
fprintf(fd,"10.5.1.111 cam11 # east pole\n");
fprintf(fd,"\n");
fprintf(fd,"10.5.77.10 phone0 # mwells polycom\n");
fprintf(fd,"\n");
// . our mail server, gk37, needs this
// so it accepts emails from asterisk@voyager2.gigablast.com
// . really this only need be in gk37:/etc/hosts
// . actually i think voyager2:/etc/hosts needs it too!!
fprintf(fd,"# when asterisk sends emails they are from\n"
"# asterisk@voyager2.gigablast.com, so gk37, the mail\n"
"# server, needs to make sure that that exists\n");
fprintf(fd,"10.5.1.201 voyager2.gigablast.com\n");
fprintf(fd,"\n");
//
// end special cases
//
// just loop over hosts now
for ( long i = 0; i < g_numHosts ; i++ )
fprintf(fd,"%s %s\n",g_ips[i],g_hosts[i]);
fclose(fd);
}
void setEtcNetworkInterfaces() {
// these are gateways and have special routes
// mostly on eth1
if ( strcmp(g_name,"router0") == 0 ) return;
if ( strcmp(g_name,"router1") == 0 ) return;
// router2!
if ( strcmp(g_name,"gk268") == 0 ) return;
// this does asterisk and uses router1 as its gateway
if ( strcmp(g_name,"voyager2") == 0 ) return;
// getIp() does not like these
if ( strcmp(g_name,"titan") == 0 ) return;
// get OUR ip
char *ips = getIp ( g_name );
FILE *fd = fopen ("/etc/network/interfaces","w");
if ( ! fd ) {
fprintf(stderr,"could not open "
"/etc/network/interfaces: %s\n",
strerror(errno));
return;
}
fprintf(stderr,"ip for %s is %s\n",g_name,ips);
fprintf ( fd ,
"auto lo\n"
"iface lo inet loopback\n"
"\n"
"auto eth0\n"
"iface eth0 inet static\n"
" address 10.5.%s\n"
" netmask 255.255.0.0\n"
//" gateway 10.5.0.2\n"
" gateway 10.5.56.78\n" // gk268 roadrunner
"\n"
"auto eth1\n"
"iface eth1 inet static\n"
" address 10.6.%s\n"
" netmask 255.255.0.0\n"
"\n"
,
ips ,
ips );
fprintf(stderr,"Saved /etc/network/interfaces");
fclose(fd);
return;
}
char *getIp ( char *name ) {
// must have 1-2 letters
char *p = name;
if ( !isalpha ( *p ) ) {
//fprintf(stderr,"bad hostname %s no alpha\n",name);
return NULL;
}
p++;
// skip another alpha
if ( isalpha (*p ) ) p++;
// now must be a num
if ( ! isdigit (*p) ) {
//fprintf(stderr,"bad hostname %s no digit\n",name);
return NULL;
}
// convert to num
long num = atoi(p);
// eth0 is always 10.5.*.*
// ss = 10.5.50.*
// g/gb/gf/sp = 10.5.52.*
// gk = 10.5.54.*
// gk = 10.5.56.*
// eth1 is the same, but 10.6.*.*
long big = -1;
if ( name[0] =='s' && name[1] == 's' )
big = 50;
if ( name[0] =='g' && name[1] == 'k' && num <= 199 )
big = 54;
if ( name[0] =='g' && name[1] == 'k' && num > 199 ) {
num -= 200;
big = 56;
}
if ( name[0] =='g' && name[1] == 'b' )
big = 58;
if ( name[0] =='g' && name[1] == 'f' )
big = 62;
if ( name[0] =='g' && isdigit(name[1]) )
big = 64;
if ( name[0] =='s' && name[1] == 'p' )
big = 66;
if ( big == -1 ) {
fprintf(stderr,"hostname %s is unsupported\n",
name);
exit(-1);
}
static char s_buf[200];
sprintf ( s_buf ,"%li.%li",big,10+num);
return s_buf;
}
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