903 lines
29 KiB
PHP
903 lines
29 KiB
PHP
<?php
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//
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// Creates a temporary openssl config file specific to given parameters.
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// File name is placed in ./tmp with a random name. It lingers unless
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// removed manually.
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//
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function CA_create_cnf($country='',$province='',$locality='',$organization='',$unit='',$common_name='',$email='',$keysize=2048,$dns_names='',$ip_addr='',$serial='') {
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global $config, $PHPki_user;
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$issuer = $PHPki_user;
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$count_dns = 0;
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$count_ip = 0;
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$alt_names = "";
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if (! $dns_names == '') {
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$dns_n=explode("\n", $dns_names);
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$count_dns = $count_dns + 1;
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$alt_names .= "DNS.$count_dns = $common_name\n";
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foreach ($dns_n as $value) {
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if (! $value == '') {
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$count_dns = $count_dns + 1;
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$alt_names .= "DNS.$count_dns = ".trim($value)."\n";
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}
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}
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}
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if (! $ip_addr == '') {
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$ip_ar=explode("\n", $ip_addr);
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foreach ($ip_ar as $value) {
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if (! $value == '') {
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$count_dns = $count_dns + 1;
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$count_ip = $count_ip + 1;
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# reetp IP should not be added to a DNS entry
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#$alt_names .= "DNS.$count_dns = ".trim($value)."\n";
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$alt_names .= "IP.$count_ip = ".trim($value)."\n";
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}
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}
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}
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if (($count_dns > 0) || ($count_ip > 0)) {
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$server_altnames = "@alt_names";
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} else {
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$server_altnames = "DNS:$common_name,email:copy";
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}
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$cnf_contents = "
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HOME = $config[home_dir]
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RANDFILE = $config[random]
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dir = $config[ca_dir]
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certs = $config[cert_dir]
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crl_dir = $config[crl_dir]
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database = $config[index]
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new_certs_dir = $config[new_certs_dir]
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private_dir = $config[private_dir]
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serial = $config[serial]
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certificate = $config[cacert_pem]
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crl = $config[cacrl_pem]
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private_key = $config[cakey]
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crl_extentions = crl_ext
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default_days = 365
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default_crl_days = 30
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preserve = no
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default_md = sha512
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[ req ]
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default_bits = $keysize
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string_mask = nombstr
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prompt = no
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distinguished_name = req_name
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req_extensions = req_ext
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[ req_name]
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C=$country
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ST=$province
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L=$locality
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0.O=$organization
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1.O='$issuer'
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OU=$unit
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CN=$common_name
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emailAddress=$email
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[ ca ]
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default_ca = email_cert
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[ root_cert ]
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x509_extensions = root_ext
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default_days = 3650
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policy = policy_supplied
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[ email_cert ]
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x509_extensions = email_ext
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default_days = 365
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policy = policy_supplied
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[ email_signing_cert ]
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x509_extensions = email_signing_ext
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default_days = 365
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policy = policy_supplied
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[ server_cert ]
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x509_extensions = server_ext
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default_days = 365
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policy = policy_supplied
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[ vpn_cert ]
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x509_extensions = vpn_client_server_ext
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default_days = 365
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policy = policy_supplied
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[ time_stamping_cert ]
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x509_extensions = time_stamping_ext
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default_days = 365
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policy = policy_supplied
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[ policy_supplied ]
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countryName = supplied
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stateOrProvinceName = supplied
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localityName = supplied
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organizationName = supplied
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organizationalUnitName = supplied
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commonName = supplied
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emailAddress = supplied
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[ req_ext]
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basicConstraints = CA:false
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[ crl_ext ]
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issuerAltName=issuer:copy
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authorityKeyIdentifier=keyid:always,issuer:always
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[ root_ext ]
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basicConstraints = CA:true
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keyUsage = cRLSign, keyCertSign
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nsCertType = sslCA, emailCA, objCA
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subjectKeyIdentifier = hash
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subjectAltName = email:copy
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crlDistributionPoints = URI:$config[base_url]$config[crl_distrib]
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nsComment = $config[comment_root]
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#nsCaRevocationUrl =
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nsCaPolicyUrl = $config[base_url]$config[policy_url]
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[ email_ext ]
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basicConstraints = critical, CA:false
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keyUsage = critical, nonRepudiation, digitalSignature, keyEncipherment
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extendedKeyUsage = critical, emailProtection, clientAuth
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nsCertType = critical, client, email
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subjectKeyIdentifier = hash
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authorityKeyIdentifier = keyid:always, issuer:always
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subjectAltName = email:copy
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issuerAltName = issuer:copy
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crlDistributionPoints = URI:$config[base_url]$config[crl_distrib]
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nsComment = $config[comment_email]
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nsBaseUrl = $config[base_url]
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nsRevocationUrl = $config[base_url]$config[revoke_url]$serial
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nsCaPolicyUrl = $config[base_url]$config[policy_url]
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[ email_signing_ext ]
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basicConstraints = critical, CA:false
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keyUsage = critical, nonRepudiation, digitalSignature, keyEncipherment
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extendedKeyUsage = critical, emailProtection, clientAuth, codeSigning
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nsCertType = critical, client, email
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subjectKeyIdentifier = hash
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authorityKeyIdentifier = keyid:always, issuer:always
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subjectAltName = email:copy
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issuerAltName = issuer:copy
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crlDistributionPoints = URI:$config[base_url]$config[crl_distrib]
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nsComment = $config[comment_sign]
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nsBaseUrl = $config[base_url]
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nsRevocationUrl = $config[base_url]$config[revoke_url]$serial
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nsCaPolicyUrl = $config[base_url]$config[policy_url]
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[ server_ext ]
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basicConstraints = critical, CA:false
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keyUsage = critical, digitalSignature, keyEncipherment
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nsCertType = server
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extendedKeyUsage = critical, serverAuth
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subjectKeyIdentifier = hash
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authorityKeyIdentifier = keyid:always, issuer:always
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subjectAltName = $server_altnames
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issuerAltName = issuer:copy
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crlDistributionPoints = URI:$config[base_url]$config[crl_distrib]
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nsComment = $config[comment_srv]
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nsBaseUrl = $config[base_url]
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nsRevocationUrl = $config[base_url]$config[revoke_url]$serial
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nsCaPolicyUrl = $config[base_url]$config[policy_url]
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[ time_stamping_ext ]
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basicConstraints = CA:false
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keyUsage = critical, nonRepudiation, digitalSignature
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extendedKeyUsage = timeStamping
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subjectKeyIdentifier = hash
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authorityKeyIdentifier = keyid:always, issuer:always
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subjectAltName = DNS:$common_name,email:copy
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issuerAltName = issuer:copy
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crlDistributionPoints = URI:$config[base_url]$config[crl_distrib]
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nsComment = $config[comment_stamp]
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nsBaseUrl = $config[base_url]
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nsRevocationUrl = $config[base_url]$config[revoke_url]$serial
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[ vpn_client_ext ]
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basicConstraints = critical, CA:false
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keyUsage = critical, digitalSignature
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extendedKeyUsage = critical, clientAuth
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nsCertType = critical, client
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subjectKeyIdentifier = hash
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authorityKeyIdentifier = keyid:always, issuer:always
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subjectAltName = DNS:$common_name,email:copy
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[ vpn_server_ext ]
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basicConstraints = critical, CA:false
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keyUsage = critical, digitalSignature, keyEncipherment
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extendedKeyUsage = critical, serverAuth
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nsCertType = critical, server
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subjectKeyIdentifier = hash
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authorityKeyIdentifier = keyid:always, issuer:always
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subjectAltName = DNS:$common_name,email:copy
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[ vpn_client_server_ext ]
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basicConstraints = critical, CA:false
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keyUsage = critical, digitalSignature, keyEncipherment
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extendedKeyUsage = critical, serverAuth, clientAuth
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nsCertType = critical, server, client
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subjectKeyIdentifier = hash
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authorityKeyIdentifier = keyid:always, issuer:always
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subjectAltName = DNS:$common_name,email:copy
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[alt_names]
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$alt_names
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";
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# Write out the config file.
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$cnf_file = tempnam('../../tmp','cnf-'); // Why is this not in the phpki dir ? why ../../ ?
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$handle = fopen($cnf_file,"w");
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fwrite($handle, $cnf_contents);
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fclose($handle);
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return($cnf_file);
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}
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//
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// Search the certificate index and return resulting
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// records in array[cert_serial_number][field_name].
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// Fields: serial, country, province, locality, organization,
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// issuer, unit, common_name, email
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//
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function CAdb_to_array($search = '.*') {
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global $config;
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# Prepend a default status to search string if missing.
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#if (! ereg('^\^\[.*\]', $search)) $search = '^[VRE].*'.$search;
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if (! preg_match("/^\^\[.*\]/", $search)) $search = '^[VRE].*'.$search;
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# Include valid certs?
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#if (ereg('^\^\[.*V.*\]',$search)) $inclval = true;
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if (preg_match('/^\^\[.*V.*\]/',$search)) $inclval = true;
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# Include revoked certs?
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#if (ereg('^\^\[.*R.*\]',$search)) $inclrev = true;
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if (preg_match('/^\^\[.*R.*\]/',$search)) $inclrev = true;
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# Include expired certs?
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#if (ereg('^\^\[.*E.*\]',$search)) $inclexp = true;
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if (preg_match('/^\^\[.*E.*\]/',$search)) $inclexp = true;
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# There isn't really a status of 'E' in the openssl index.
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# Change (E)xpired to (V)alid within the search string.
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#$search = ereg_replace('^(\^\[.*)E(.*\])','\\1V\\2',$search);
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$search = preg_replace('/^(\^\[.*)E(.*\])/','${1}V${2}',$search);
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$db = array();
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exec('egrep -i '.escshellarg($search).' '.$config['index'], $x);
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foreach($x as $y) {
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$i = CAdb_explode_entry($y);
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if (($i['status'] == "Valid" && $inclval) || ($i['status'] == "Revoked" && $inclrev) || ($i['status'] == "Expired" && $inclexp))
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$db[$i['serial']] = $i;
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}
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return($db);
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}
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//
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// Returns an array containing the index record for
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// certificate $serial.
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//
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function CAdb_get_entry($serial) {
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global $config;
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$regexp = "^[VR]\t.*\t.*\t$serial\t.*\t.*$";
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$x = exec('egrep '.escshellarg($regexp).' '.$config['index']);
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if ($x)
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return CAdb_explode_entry($x);
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else {
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return false;
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}
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}
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//
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// Returns the serial number of a VALID certificate matching
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// $email and/or $name. Returns FALSE if no match is found.
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//
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function CAdb_in($email="", $name="") {
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global $config;
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$email = escshellcmd($email);
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$name = escshellcmd($name);
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$regexp = "^[V].*CN=$name/(Email|emailAddress)=$email";
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$x =exec('egrep '.escshellarg($regexp).' '.$config['index']);
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if ($x) {
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list($j,$j,$j,$serial,$j,$j) = explode("\t", $x);
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return "$serial";
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}
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else
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return false;
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}
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//
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// Alias for CAdb_in()
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//
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function CAdb_serial($email, $name='') {
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return CAdb_in($email, $name='');
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}
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//
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// Alias for CAdb_in()
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//
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function CAdb_exists($email, $name='') {
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return CAdb_in($email, $name='');
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}
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//
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// Returns the certificate 'issuer'
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//
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function CAdb_issuer($serial) {
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global $config;
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$rec = CAdb_get_entry($serial);
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return $rec['issuer'];
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}
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//
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// Returns an array containing the respective fields given a
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// a raw line ($dbentry) from the certificate index.
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// Fields: serial, country, province locality, organization,
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// issuer, unit, common_name, email
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//
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function CAdb_explode_entry($dbentry) {
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$a = explode("\t", $dbentry);
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$b = preg_split('/\/([A-Z]|[a-z])+=/', $a[5]);
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switch ($a[0]) {
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case "V":
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$db['status'] = "Valid";
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break;
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case "R":
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$db['status'] = "Revoked";
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break;
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}
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// CA_cert_start/enddate
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// A date will be returned in this format
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// Feb 27 16:00:09 2020 GMT
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sscanf(CA_cert_startdate($a[3]),"%s%s%s%s", $mm,$dd,$tt,$yy);
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$db['issued'] = strftime("%Y-%b-%d", strtotime("$yy-$mm-$dd"));
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sscanf(CA_cert_enddate($a[3]), "%s%s%s%s",$mm,$dd,$tt,$yy);
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$db['expires'] = strftime("%Y-%b-%d", strtotime("$yy-$mm-$dd"));
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if (time() > strtotime("$yy-$mm-$dd")) {
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$db['status'] = "Expired";
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}
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// Compatibility with migrated certs from openvpn-bridge
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if(count($b) == 7){
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$db['serial'] = $a[3];
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$db['country'] = $b[1];
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$db['province'] = $b[2];
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$db['locality'] = '';
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$db['organization'] = $b[3];
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$db['issuer'] = '';
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$db['unit'] = $b[4];
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$db['common_name'] = $b[5];
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$db['email'] = $b[6];
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}
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// Compatibility with renewed certs from openvpn-bridge
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elseif(count($b) == 8){
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$db['serial'] = $a[3];
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$db['country'] = $b[1];
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$db['province'] = $b[2];
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$db['locality'] = $b[3];
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$db['organization'] = $b[4];
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$db['issuer'] = '';
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$db['unit'] = $b[5];
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$db['common_name'] = $b[6];
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$db['email'] = $b[7];
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}
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// Else, it's a certificate created with phpki
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else{
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$db['serial'] = $a[3];
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$db['country'] = $b[1];
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$db['province'] = $b[2];
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$db['locality'] = $b[3];
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$db['organization'] = $b[4];
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$db['issuer'] = $b[5];
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$db['unit'] = $b[6];
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$db['common_name'] = $b[7];
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$db['email'] = $b[8];
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}
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return $db;
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}
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//
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// Returns the date & time a specified certificate is revoked,
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// Returns FALSE if the certificate is not revoked.
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//
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function CAdb_is_revoked($serial) {
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global $config;
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$regexp = "^R\t.*\t.*\t$serial\t.*\t.*$";
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$x = exec('egrep '.escshellarg($regexp).' '.$config['index']);
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if ($x) {
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list($j,$j,$revoke_date,$j,$j,$j) = explode("\t", $x);
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// Revoke date = 'R' + start date and is in this format
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// 200227162209Z
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sscanf($revoke_date, "%2s%2s%2s",$yy,$mm,$dd);
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return strftime("%b %d, %Y", strtotime("$yy-$mm-$dd"));
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}
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else
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return false;
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}
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//
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// Returns TRUE if a certificate is valid, otherwise FALSE.
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//
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function CAdb_is_valid($serial) {
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global $config;
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$regexp = "^V\t.*\t.*\t$serial\t.*\t.*$";
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if (exec('egrep '.escshellarg($regexp).' '.$config['index']))
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return true;
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else
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return false;
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}
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//
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// Returns the long-form certificate description as output by
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// openssl x509 -in certificatefile -text -purpose
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//
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function CA_cert_text($serial) {
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global $config;
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$certfile = $config['new_certs_dir'] . '/' . $serial . '.pem';
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return(shell_exec(X509.' -in '.escshellarg($certfile).' -text -purpose 2>&1'));
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}
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//
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// Returns the long-form text of the Certificate Revocation List
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// openssl crl -in crlfile -text
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//
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function CA_crl_text() {
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global $config;
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$crlfile = $config['cacrl_pem'];
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return(shell_exec(CRL.' -in '.escshellarg($crlfile).' -text 2>&1'));
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}
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// Returns the static takey.pem file
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function ta_key_text() {
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global $config;
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return(shell_exec('cat '.escshellarg($config['private_dir']).'/takey.pem 2>&1'));
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}
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// Returns the dhparam file
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function dhparam_text() {
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global $config;
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return(shell_exec('cat '.escshellarg($config['private_dir']).'/dhparam1024.pem 2>&1'));
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}
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// Returns the root CA certificate file (PEM Encoded)
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function root_pem_text() {
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global $config;
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return(shell_exec('cat '.escshellarg($config['cacert_pem']).' 2>&1'));
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}
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//
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// Returns the subject of a certificate.
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//
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function CA_cert_subject($serial) {
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global $config;
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$certfile = $config['new_certs_dir'] . '/' . $serial . '.pem';
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$x = exec(X509.' -in '.escshellarg($certfile).' -noout -subject 2>&1');
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return(str_replace('subject=', '', $x));
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}
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//
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// Returns the common name of a certificate.
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//
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function CA_cert_cname($serial) {
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global $config;
|
|
#return(ereg_replace('^.*/CN=(.*)/.*','\\1',CA_cert_subject($serial)));
|
|
return(preg_replace('/^.*\/CN=(.*)\/.*/','${1}',CA_cert_subject($serial)));
|
|
|
|
}
|
|
|
|
//
|
|
// Returns the email address of a certificate.
|
|
//
|
|
function CA_cert_email($serial) {
|
|
global $config;
|
|
$certfile = $config['new_certs_dir'] . '/' . $serial . '.pem';
|
|
$x = exec(X509.' -in '.escshellarg($certfile).' -noout -email 2>&1');
|
|
return($x);
|
|
}
|
|
|
|
//
|
|
// Returns the effective date of a certificate.
|
|
//
|
|
function CA_cert_startdate($serial) {
|
|
global $config;
|
|
$certfile = $config['new_certs_dir'] . '/' . $serial . '.pem';
|
|
$x = exec(X509.' -in '.escshellarg($certfile).' -noout -startdate 2>&1');
|
|
return(str_replace('notBefore=','',$x));
|
|
}
|
|
|
|
//
|
|
// Returns the expiration date of a certificate.
|
|
//
|
|
function CA_cert_enddate($serial) {
|
|
global $config;
|
|
$certfile = $config['new_certs_dir'] . '/' . $serial . '.pem';
|
|
$x = exec(X509.' -in '.escshellarg($certfile).' -noout -enddate 2>&1');
|
|
return(str_replace('notAfter=','',$x));
|
|
}
|
|
|
|
//
|
|
// Revokes a specified certificate.
|
|
//
|
|
function CA_revoke_cert($serial) {
|
|
global $config;
|
|
|
|
$fd = fopen($config['index'],'a');
|
|
flock($fd, LOCK_EX);
|
|
|
|
$certfile = "$config[new_certs_dir]/$serial.pem";
|
|
|
|
$cmd_output[] = 'Revoking the certificate.';
|
|
exec(CA." -config '$config[openssl_cnf]' -revoke ".escshellarg($certfile)." -passin pass:'$config[ca_pwd]' 2>&1", $cmd_output, $ret);
|
|
|
|
if ($ret == 0) {
|
|
unset($cmd_output);
|
|
list($ret, $cmd_output[]) = CA_generate_crl();
|
|
}
|
|
|
|
fclose($fd);
|
|
|
|
return array(($ret == true || $ret == 0 ? true : false), implode('<br>',$cmd_output));
|
|
}
|
|
|
|
//
|
|
// Creates a new certificate request, and certificate in various formats
|
|
// according to specified parameters. PKCS12 bundle files contain the
|
|
// private key, certificate, and CA certificate.
|
|
//
|
|
// Returns an array containing the output of failed openssl commands.
|
|
//
|
|
function CA_create_cert($cert_type='email',$country,$province,$locality,$organization,$unit,$common_name,$email,$expiry,$passwd,$keysize=2048,$dns_names,$ip_addr) {
|
|
global $config;
|
|
|
|
# Wait here if another user has the database locked.
|
|
$fd = fopen($config['index'],"a");
|
|
flock($fd, LOCK_EX);
|
|
|
|
# Get the next available serial number
|
|
$serial = trim(implode('',file($config['serial'])));
|
|
|
|
$userkey = $config['private_dir'].'/'.$serial.'-key.pem';
|
|
$userreq = $config['req_dir'].'/'.$serial.'-req.pem';
|
|
$usercert = $config['new_certs_dir'].'/'.$serial.'.pem';
|
|
$userder = $config['cert_dir'].'/'.$serial.'.der';
|
|
$userpfx = $config['pfx_dir'].'/'.$serial.'.pfx';
|
|
|
|
$expiry_days = round($expiry * 365.25, 0);
|
|
|
|
$cnf_file = CA_create_cnf($country,$province,$locality,$organization,$unit,$common_name,$email,$keysize,$dns_names,$ip_addr,$serial);
|
|
|
|
# Escape certain dangerous characters in user input
|
|
$email = escshellcmd($email);
|
|
$_passwd = escshellarg($passwd);
|
|
$friendly_name = escshellarg($common_name);
|
|
$extensions = escshellarg($cert_type.'_ext');
|
|
|
|
# Create the certificate request
|
|
unset($cmd_output);
|
|
$cmd_output[] = 'Creating certificate request.';
|
|
|
|
if (($_passwd) && ($_passwd != "''")) {
|
|
exec(REQ." -SHA256 -new -newkey rsa:$keysize -keyout '$userkey' -out '$userreq' -config '$cnf_file' -days '$expiry_days' -passout pass:$_passwd 2>&1", $cmd_output, $ret);
|
|
}
|
|
else {
|
|
exec(REQ." -SHA256 -new -newkey rsa:$keysize -keyout '$userkey' -out '$userreq' -config '$cnf_file' -days '$expiry_days' -nodes 2>&1", $cmd_output, $ret);
|
|
}
|
|
|
|
# Sign the certificate request and create the certificate
|
|
if ($ret == 0) {
|
|
unset($cmd_output);
|
|
$cmd_output[] = "Signing $cert_type certificate request.";
|
|
exec(CA." -config '$cnf_file' -in '$userreq' -out /dev/null -notext -days '$expiry_days' -passin pass:'$config[ca_pwd]' -batch -extensions $extensions 2>&1", $cmd_output, $ret);
|
|
};
|
|
|
|
# Create DER format certificate
|
|
if ($ret == 0) {
|
|
unset($cmd_output);
|
|
$cmd_output[] = "Creating DER format certificate.";
|
|
exec(X509." -in '$usercert' -out '$userder' -inform PEM -outform DER 2>&1", $cmd_output, $ret);
|
|
};
|
|
|
|
# Create a PKCS12 certificate file for download to Windows
|
|
if ($ret == 0) {
|
|
unset($cmd_output);
|
|
$cmd_output[] = "Creating PKCS12 format certificate.";
|
|
if (($_passwd) && ($_passwd != "''")) {
|
|
$cmd_output[] = "infile: $usercert keyfile: $userkey outfile: $userpfx pass: $_passwd";
|
|
exec(PKCS12." -export -in '$usercert' -inkey '$userkey' -certfile '$config[cacert_pem]' -caname '$config[organization]' -out '$userpfx' -name $friendly_name -rand '$config[random]' -passin pass:$_passwd -passout pass:$_passwd 2>&1", $cmd_output, $ret);
|
|
}
|
|
else {
|
|
$cmd_output[] = "infile: $usercert keyfile: $userkey outfile: $userpfx";
|
|
// Need to check this password thing
|
|
exec(PKCS12." -export -in '$usercert' -inkey '$userkey' -certfile '$config[cacert_pem]' -caname '$config[organization]' -out '$userpfx' -name $friendly_name -nodes -passout pass: 2>&1", $cmd_output, $ret);
|
|
//exec(PKCS12." -export -in '$usercert' -inkey '$userkey' -certfile '$config[cacert_pem]' -caname '$config[organization]' -out '$userpfx' -name $friendly_name -nodes 2>&1", $cmd_output, $ret);
|
|
}
|
|
};
|
|
|
|
#Unlock the CA database
|
|
fclose($fd);
|
|
|
|
#Remove temporary openssl config file.
|
|
if (file_exists($cnf_file)) unlink($cnf_file);
|
|
|
|
if ($ret == 0) {
|
|
# Successful!
|
|
# Return status=true and serial number of issued certificate.
|
|
return array(true, $serial);
|
|
|
|
}
|
|
else {
|
|
# Not successful. :-(
|
|
# Clean up our loose ends.
|
|
# Return status=false and openssl output/errors for debug.
|
|
CA_remove_cert($serial);
|
|
$cmd_output[] = 'Click on the "Help" link above for information on how to report this problem.';
|
|
return array(false, implode("<br>",$cmd_output));
|
|
}
|
|
}
|
|
|
|
//
|
|
// Renews a specified certificate, revoking any existing valid versions.
|
|
// Uses old certificate request to Creates a new request, and certificate
|
|
// in various formats.
|
|
//
|
|
// Returns an array containing the output of failed openssl commands.
|
|
//
|
|
// FIXME: Yes, I know... This functions contains much duplicative code
|
|
// from CA_create_cert(). Bleh!
|
|
//
|
|
function CA_renew_cert($old_serial,$expiry,$passwd) {
|
|
global $config;
|
|
|
|
# Do not renew a revoked certificate if a valid one exists for this
|
|
# URL. Find and renew the valid certificate instead.
|
|
if (CAdb_is_revoked($old_serial)) {
|
|
$ret = CAdb_in(CA_cert_email($old_serial),CA_cert_cname($old_serial));
|
|
if ($ret && $old_serial != $ret) $old_serial = $ret;
|
|
}
|
|
|
|
# Valid certificates must be revoked prior to renewal.
|
|
if (CAdb_is_valid($old_serial)) {
|
|
$ret = CA_revoke_cert($old_serial);
|
|
if (! $ret[0]) return $ret;
|
|
}
|
|
|
|
$cert_type = CA_cert_type($old_serial);
|
|
$extensions = $cert_type.'_ext';
|
|
|
|
# Get common_name from old certificate for use as the
|
|
# "friendly name" of PKCS12 certificate.
|
|
$rec = CAdb_get_entry($old_serial);
|
|
$country = $rec['country'];
|
|
$province = $rec['province'];
|
|
$locality = $rec['locality'];
|
|
$organization = $rec['organiztion'];
|
|
$unit = $rec['unit'];
|
|
$common_name = $rec['common_name'];
|
|
$email = $rec['email'];
|
|
|
|
# Wait here if another user has the database locked.
|
|
$fd = fopen($config['index'],"a");
|
|
flock($fd, LOCK_EX);
|
|
|
|
# Get the next available serial number
|
|
$serial = trim(implode('',file($config['serial'])));
|
|
|
|
$old_userkey = $config['private_dir'].'/'.$old_serial.'-key.pem';
|
|
$old_userreq = $config['req_dir'].'/'.$old_serial.'-req.pem';
|
|
$userkey = $config['private_dir'].'/'.$serial.'-key.pem';
|
|
$userreq = $config['req_dir'].'/'.$serial.'-req.pem';
|
|
$usercert = $config['new_certs_dir'].'/'.$serial.'.pem';
|
|
$userder = $config['cert_dir'].'/'.$serial.'.der';
|
|
$userpfx = $config['pfx_dir'].'/'.$serial.'.pfx';
|
|
|
|
$expiry_days = round($expiry * 365.25, 0);
|
|
|
|
$cmd_output = array();
|
|
$ret = 0;
|
|
|
|
# Create a new certificate request by copying the old request.
|
|
if (! file_exists($old_userreq) || ! copy($old_userreq,$userreq)) {
|
|
$cmd_output[] = 'Could not create new certificate request file.';
|
|
$ret = 1;
|
|
}
|
|
|
|
# Copy private key to new file.
|
|
if ($ret == 0 && (! file_exists($old_userkey) || ! copy($old_userkey,$userkey))) {
|
|
$cmd_output[] = "Could not update private key file.";
|
|
$ret = 1;
|
|
}
|
|
|
|
$cnf_file = CA_create_cnf($country,$province,$locality,$organization,$unit,$common_name,$email);
|
|
|
|
# "friendly name" of PKCS12 certificate.
|
|
$friendly_name = escshellarg($rec['common_name']);
|
|
|
|
# Escape dangerous characters in user input.
|
|
$_passwd = escshellarg($passwd);
|
|
|
|
# Sign the certificate request and create the certificate.
|
|
if ($ret == 0) {
|
|
unset($cmd_output);
|
|
$cmd_output[] = "Signing the $cert_type certificate request.";
|
|
exec(CA." -config '$cnf_file' -in '$userreq' -out /dev/null -notext -days '$expiry_days' -passin pass:'$config[ca_pwd]' -batch -extensions $extensions 2>&1", $cmd_output, $ret);
|
|
};
|
|
|
|
# Create DER format certificate
|
|
if ($ret == 0) {
|
|
unset($cmd_output);
|
|
$cmd_output[] = "Creating DER format certificate.";
|
|
exec(X509." -in '$usercert' -out '$userder' -inform PEM -outform DER 2>&1", $cmd_output, $ret);
|
|
};
|
|
|
|
# Create a PKCS12 certificate file for download to Windows
|
|
if ($ret == 0) {
|
|
unset($cmd_output);
|
|
$cmd_output[] = "Creating PKCS12 format certificate.";
|
|
if (($_passwd) && ($_passwd != "''")) {
|
|
$cmd_output[] = "infile: $usercert keyfile: $userkey outfile: $userpfx pass: $_passwd";
|
|
exec(PKCS12." -export -in '$usercert' -inkey '$userkey' -certfile '$config[cacert_pem]' -caname '$config[organization]' -out '$userpfx' -name $friendly_name -rand '$config[random]' -passin pass:$_passwd -passout pass:$_passwd 2>&1", $cmd_output, $ret);
|
|
}
|
|
else {
|
|
$cmd_output[] = "infile: $usercert keyfile: $userkey outfile: $userpfx";
|
|
# reetp - this needs looking at
|
|
#exec(PKCS12." -export -in '$usercert' -inkey '$userkey' -certfile '$config[cacert_pem]' -caname '$config[organization]' -out '$userpfx' -name $friendly_name -passout pass: 2>&1", $cmd_output, $ret);
|
|
exec(PKCS12." -export -in '$usercert' -inkey '$userkey' -certfile '$config[cacert_pem]' -caname '$config[organization]' -out '$userpfx' -name $friendly_name -nodes 2>&1", $cmd_output, $ret);
|
|
|
|
}
|
|
};
|
|
|
|
#Unlock the CA database
|
|
fclose($fd);
|
|
|
|
# https://github.com/radicand/phpki/issues/14
|
|
if (preg_match('E-mail Protection', $certtext) && preg_match('Code Signing', $certtest)) {
|
|
$cert_type = 'email_signing';
|
|
}
|
|
if (preg_match('E-mail Protection', $certtext)) {
|
|
$cert_type = 'email';
|
|
}
|
|
|
|
#Remove temporary openssl config file.
|
|
if (file_exists($cnf_file)) unlink($cnf_file);
|
|
|
|
if ($ret == 0) {
|
|
return array(true, $serial);
|
|
}
|
|
else {
|
|
# Not successful, so clean up before exiting.
|
|
CA_remove_cert($serial);
|
|
|
|
if (eregi_array('.*private key.*',$cmd_output))
|
|
$cmd_output[] = '<strong>This was likely caused by entering the wrong certificate password.</strong>';
|
|
else
|
|
$cmd_output[] = '<strong>Click on the "Help" link above for information on how to report this problem.</strong>';
|
|
|
|
return array(false, implode('<br>',$cmd_output));
|
|
}
|
|
}
|
|
|
|
//
|
|
// Creates a new Certificate Revocation List and copies it the the approriate
|
|
// locations. Returns error messages from failed commands.
|
|
//
|
|
function CA_generate_crl() {
|
|
global $config;
|
|
|
|
$ret = 0;
|
|
|
|
$cmd_output[] = "Generating Certificate Revocation List.";
|
|
exec(CA. " -gencrl -config '$config[openssl_cnf]' -out '$config[cacrl_pem]' -passin pass:'$config[ca_pwd]' 2>&1", $cmd_output, $ret);
|
|
|
|
if ($ret == 0) {
|
|
unset($cmd_output);
|
|
$cmd_output[] = "Creating DER format Certificate Revocation List.";
|
|
exec(CRL." -in '$config[cacrl_pem]' -out '$config[cacrl_der]' -inform PEM -outform DER 2>&1", $cmd_output, $ret);
|
|
}
|
|
|
|
return array(($ret == 0 ? true : false), implode('<br>',$cmd_output));
|
|
}
|
|
|
|
//
|
|
// Removes a specified certificate from the certificate index,
|
|
// and all traces of it from the file system.
|
|
//
|
|
function CA_remove_cert($serial) {
|
|
global $config;
|
|
|
|
$userreq = $config['req_dir'].'/'.$serial.'-req.pem';
|
|
$userkey = $config['private_dir'].'/'.$serial.'-key.pem';
|
|
$usercert = $config['new_certs_dir'].'/'.$serial.'.pem';
|
|
$userder = $config['cert_dir'].'/'.$serial.'.der';
|
|
$userpfx = $config['pfx_dir'].'/'.$serial.'.pfx';
|
|
|
|
|
|
# Wait here if another user has the database locked.
|
|
$fd = fopen($config['index'],'a');
|
|
flock($fd, LOCK_EX);
|
|
|
|
if( file_exists($userreq)) unlink($userreq);
|
|
if( file_exists($userkey)) unlink($userkey);
|
|
if( file_exists($usercert)) unlink($usercert);
|
|
if( file_exists($userder)) unlink($userder);
|
|
if( file_exists($userpfx)) unlink($userpfx);
|
|
|
|
$tmpfile = $config['index'].'.tmp';
|
|
copy($config['index'], $tmpfile);
|
|
|
|
$regexp = "^[VR]\t.*\t.*\t".$serial."\t.*\t.*$";
|
|
exec('egrep -v '.escshellarg($regexp)." $tmpfile > $config[index] 2>/dev/null");
|
|
|
|
unlink($tmpfile);
|
|
fclose($fd);
|
|
|
|
}
|
|
|
|
//
|
|
// Returns the likely intended use for a specified certificate
|
|
// (email, server, vpn).
|
|
//
|
|
function CA_cert_type($serial) {
|
|
|
|
$certtext = CA_cert_text($serial);
|
|
|
|
#if (ereg('OpenSSL.* (E.?mail|Personal) .*Certificate', $certtext) && ereg('Code Signing', $certtest)) {
|
|
if (preg_match('~OpenSSL.* (E.?mail|Personal) .*Certificate~', $certtext) && preg_match('~Code Signing~', $certtest)) {
|
|
$cert_type = 'email_codesigning';
|
|
}
|
|
#if (ereg('OpenSSL.* (E.?mail|Personal) .*Certificate', $certtext)) {
|
|
if (preg_match('~OpenSSL.* (E.?mail|Personal) .*Certificate~', $certtext)) {
|
|
$cert_type = 'email';
|
|
}
|
|
#elseif (ereg('OpenSSL.* Server .*Certificate', $certtext)) {
|
|
elseif (preg_match('~OpenSSL.* Server .*Certificate~', $certtext)) {
|
|
$cert_type = 'server';
|
|
}
|
|
#elseif (ereg('timeStamping|Time Stamping', $certtext)) {
|
|
elseif (preg_match('~timeStamping|Time Stamping~', $certtext)) {
|
|
$cert_type = 'time_stamping';
|
|
}
|
|
#elseif (ereg('TLS Web Client Authentication', $certtext) && ereg('TLS Web Server Authentication', $certtext)) {
|
|
elseif (preg_match('~TLS Web Client Authentication~', $certtext) && preg_match('~TLS Web Server Authentication~', $certtext)) {
|
|
$cert_type = 'vpn_client_server';
|
|
}
|
|
#elseif (ereg('TLS Web Client Authentication', $certtext)) {
|
|
elseif (preg_match('~TLS Web Client Authentication~', $certtext)) {
|
|
$cert_type = 'vpn_client';
|
|
}
|
|
#elseif (ereg('TLS Web Server Authentication', $certtext)) {
|
|
elseif (preg_match('~TLS Web Server Authentication~', $certtext)) {
|
|
$cert_type = 'vpn_server';
|
|
}
|
|
else {
|
|
$cert_type = 'vpn_client_server';
|
|
}
|
|
|
|
return $cert_type;
|
|
}
|
|
|
|
function CA_get_root_pem() {
|
|
global $config;
|
|
return(file_get_contents($config['cacert_pem']));
|
|
}
|
|
|
|
?>
|