diff options
Diffstat (limited to 'tools/hv')
| -rw-r--r-- | tools/hv/hv_kvp_daemon.c | 233 | ||||
| -rwxr-xr-x | tools/hv/hv_set_ifconfig.sh | 39 |
2 files changed, 235 insertions, 37 deletions
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c index 27f5e7dfc2f7..264eeb9c46a9 100644 --- a/tools/hv/hv_kvp_daemon.c +++ b/tools/hv/hv_kvp_daemon.c @@ -1171,12 +1171,79 @@ static int process_ip_string(FILE *f, char *ip_string, int type) return 0; } +/* + * Only IPv4 subnet strings needs to be converted to plen + * For IPv6 the subnet is already privided in plen format + */ +static int kvp_subnet_to_plen(char *subnet_addr_str) +{ + int plen = 0; + struct in_addr subnet_addr4; + + /* + * Convert subnet address to binary representation + */ + if (inet_pton(AF_INET, subnet_addr_str, &subnet_addr4) == 1) { + uint32_t subnet_mask = ntohl(subnet_addr4.s_addr); + + while (subnet_mask & 0x80000000) { + plen++; + subnet_mask <<= 1; + } + } else { + return -1; + } + + return plen; +} + +static int process_ip_string_nm(FILE *f, char *ip_string, char *subnet, + int is_ipv6) +{ + char addr[INET6_ADDRSTRLEN]; + char subnet_addr[INET6_ADDRSTRLEN]; + int error, i = 0; + int ip_offset = 0, subnet_offset = 0; + int plen; + + memset(addr, 0, sizeof(addr)); + memset(subnet_addr, 0, sizeof(subnet_addr)); + + while (parse_ip_val_buffer(ip_string, &ip_offset, addr, + (MAX_IP_ADDR_SIZE * 2)) && + parse_ip_val_buffer(subnet, + &subnet_offset, + subnet_addr, + (MAX_IP_ADDR_SIZE * + 2))) { + if (!is_ipv6) + plen = kvp_subnet_to_plen((char *)subnet_addr); + else + plen = atoi(subnet_addr); + + if (plen < 0) + return plen; + + error = fprintf(f, "address%d=%s/%d\n", ++i, (char *)addr, + plen); + if (error < 0) + return error; + + memset(addr, 0, sizeof(addr)); + memset(subnet_addr, 0, sizeof(subnet_addr)); + } + + return 0; +} + static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val) { int error = 0; - char if_file[PATH_MAX]; - FILE *file; + char if_filename[PATH_MAX]; + char nm_filename[PATH_MAX]; + FILE *ifcfg_file, *nmfile; char cmd[PATH_MAX]; + int is_ipv6 = 0; char *mac_addr; int str_len; @@ -1197,7 +1264,7 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val) * in a given distro to configure the interface and so are free * ignore information that may not be relevant. * - * Here is the format of the ip configuration file: + * Here is the ifcfg format of the ip configuration file: * * HWADDR=macaddr * DEVICE=interface name @@ -1220,6 +1287,32 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val) * tagged as IPV6_DEFAULTGW and IPV6 NETMASK will be tagged as * IPV6NETMASK. * + * Here is the keyfile format of the ip configuration file: + * + * [ethernet] + * mac-address=macaddr + * [connection] + * interface-name=interface name + * + * [ipv4] + * method=<protocol> (where <protocol> is "auto" if DHCP is configured + * or "manual" if no boot-time protocol should be used) + * + * address1=ipaddr1/plen + * address2=ipaddr2/plen + * + * gateway=gateway1;gateway2 + * + * dns=dns1;dns2 + * + * [ipv6] + * address1=ipaddr1/plen + * address2=ipaddr2/plen + * + * gateway=gateway1;gateway2 + * + * dns=dns1;dns2 + * * The host can specify multiple ipv4 and ipv6 addresses to be * configured for the interface. Furthermore, the configuration * needs to be persistent. A subsequent GET call on the interface @@ -1227,14 +1320,29 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val) * call. */ - snprintf(if_file, sizeof(if_file), "%s%s%s", KVP_CONFIG_LOC, - "/ifcfg-", if_name); + /* + * We are populating both ifcfg and nmconnection files + */ + snprintf(if_filename, sizeof(if_filename), "%s%s%s", KVP_CONFIG_LOC, + "/ifcfg-", if_name); - file = fopen(if_file, "w"); + ifcfg_file = fopen(if_filename, "w"); - if (file == NULL) { + if (!ifcfg_file) { syslog(LOG_ERR, "Failed to open config file; error: %d %s", - errno, strerror(errno)); + errno, strerror(errno)); + return HV_E_FAIL; + } + + snprintf(nm_filename, sizeof(nm_filename), "%s%s%s%s", KVP_CONFIG_LOC, + "/", if_name, ".nmconnection"); + + nmfile = fopen(nm_filename, "w"); + + if (!nmfile) { + syslog(LOG_ERR, "Failed to open config file; error: %d %s", + errno, strerror(errno)); + fclose(ifcfg_file); return HV_E_FAIL; } @@ -1248,14 +1356,31 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val) goto setval_error; } - error = kvp_write_file(file, "HWADDR", "", mac_addr); - free(mac_addr); + error = kvp_write_file(ifcfg_file, "HWADDR", "", mac_addr); + if (error < 0) + goto setmac_error; + + error = kvp_write_file(ifcfg_file, "DEVICE", "", if_name); + if (error < 0) + goto setmac_error; + + error = fprintf(nmfile, "\n[connection]\n"); + if (error < 0) + goto setmac_error; + + error = kvp_write_file(nmfile, "interface-name", "", if_name); if (error) - goto setval_error; + goto setmac_error; - error = kvp_write_file(file, "DEVICE", "", if_name); + error = fprintf(nmfile, "\n[ethernet]\n"); + if (error < 0) + goto setmac_error; + + error = kvp_write_file(nmfile, "mac-address", "", mac_addr); if (error) - goto setval_error; + goto setmac_error; + + free(mac_addr); /* * The dhcp_enabled flag is only for IPv4. In the case the host only @@ -1263,47 +1388,91 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val) * proceed to parse and pass the IPv6 information to the * disto-specific script hv_set_ifconfig. */ + + /* + * First populate the ifcfg file format + */ if (new_val->dhcp_enabled) { - error = kvp_write_file(file, "BOOTPROTO", "", "dhcp"); + error = kvp_write_file(ifcfg_file, "BOOTPROTO", "", "dhcp"); if (error) goto setval_error; - } else { - error = kvp_write_file(file, "BOOTPROTO", "", "none"); + error = kvp_write_file(ifcfg_file, "BOOTPROTO", "", "none"); if (error) goto setval_error; } - /* - * Write the configuration for ipaddress, netmask, gateway and - * name servers. - */ - - error = process_ip_string(file, (char *)new_val->ip_addr, IPADDR); + error = process_ip_string(ifcfg_file, (char *)new_val->ip_addr, + IPADDR); if (error) goto setval_error; - error = process_ip_string(file, (char *)new_val->sub_net, NETMASK); + error = process_ip_string(ifcfg_file, (char *)new_val->sub_net, + NETMASK); if (error) goto setval_error; - error = process_ip_string(file, (char *)new_val->gate_way, GATEWAY); + error = process_ip_string(ifcfg_file, (char *)new_val->gate_way, + GATEWAY); if (error) goto setval_error; - error = process_ip_string(file, (char *)new_val->dns_addr, DNS); + error = process_ip_string(ifcfg_file, (char *)new_val->dns_addr, DNS); if (error) goto setval_error; - fclose(file); + if (new_val->addr_family == ADDR_FAMILY_IPV6) { + error = fprintf(nmfile, "\n[ipv6]\n"); + if (error < 0) + goto setval_error; + is_ipv6 = 1; + } else { + error = fprintf(nmfile, "\n[ipv4]\n"); + if (error < 0) + goto setval_error; + } + + /* + * Now we populate the keyfile format + */ + + if (new_val->dhcp_enabled) { + error = kvp_write_file(nmfile, "method", "", "auto"); + if (error < 0) + goto setval_error; + } else { + error = kvp_write_file(nmfile, "method", "", "manual"); + if (error < 0) + goto setval_error; + } + + /* + * Write the configuration for ipaddress, netmask, gateway and + * name services + */ + error = process_ip_string_nm(nmfile, (char *)new_val->ip_addr, + (char *)new_val->sub_net, is_ipv6); + if (error < 0) + goto setval_error; + + error = fprintf(nmfile, "gateway=%s\n", (char *)new_val->gate_way); + if (error < 0) + goto setval_error; + + error = fprintf(nmfile, "dns=%s\n", (char *)new_val->dns_addr); + if (error < 0) + goto setval_error; + + fclose(nmfile); + fclose(ifcfg_file); /* * Now that we have populated the configuration file, * invoke the external script to do its magic. */ - str_len = snprintf(cmd, sizeof(cmd), KVP_SCRIPTS_PATH "%s %s", - "hv_set_ifconfig", if_file); + str_len = snprintf(cmd, sizeof(cmd), KVP_SCRIPTS_PATH "%s %s %s", + "hv_set_ifconfig", if_filename, nm_filename); /* * This is a little overcautious, but it's necessary to suppress some * false warnings from gcc 8.0.1. @@ -1316,14 +1485,16 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val) if (system(cmd)) { syslog(LOG_ERR, "Failed to execute cmd '%s'; error: %d %s", - cmd, errno, strerror(errno)); + cmd, errno, strerror(errno)); return HV_E_FAIL; } return 0; - +setmac_error: + free(mac_addr); setval_error: syslog(LOG_ERR, "Failed to write config file"); - fclose(file); + fclose(ifcfg_file); + fclose(nmfile); return error; } diff --git a/tools/hv/hv_set_ifconfig.sh b/tools/hv/hv_set_ifconfig.sh index d10fe35b7f25..ae5a7a8249a2 100755 --- a/tools/hv/hv_set_ifconfig.sh +++ b/tools/hv/hv_set_ifconfig.sh @@ -18,12 +18,12 @@ # # This example script is based on a RHEL environment. # -# Here is the format of the ip configuration file: +# Here is the ifcfg format of the ip configuration file: # # HWADDR=macaddr # DEVICE=interface name # BOOTPROTO=<protocol> (where <protocol> is "dhcp" if DHCP is configured -# or "none" if no boot-time protocol should be used) +# or "none" if no boot-time protocol should be used) # # IPADDR0=ipaddr1 # IPADDR1=ipaddr2 @@ -41,6 +41,32 @@ # tagged as IPV6_DEFAULTGW and IPV6 NETMASK will be tagged as # IPV6NETMASK. # +# Here is the keyfile format of the ip configuration file: +# +# [ethernet] +# mac-address=macaddr +# [connection] +# interface-name=interface name +# +# [ipv4] +# method=<protocol> (where <protocol> is "auto" if DHCP is configured +# or "manual" if no boot-time protocol should be used) +# +# address1=ipaddr1/plen +# address=ipaddr2/plen +# +# gateway=gateway1;gateway2 +# +# dns=dns1; +# +# [ipv6] +# address1=ipaddr1/plen +# address2=ipaddr1/plen +# +# gateway=gateway1;gateway2 +# +# dns=dns1;dns2 +# # The host can specify multiple ipv4 and ipv6 addresses to be # configured for the interface. Furthermore, the configuration # needs to be persistent. A subsequent GET call on the interface @@ -48,18 +74,19 @@ # call. # - - echo "IPV6INIT=yes" >> $1 echo "NM_CONTROLLED=no" >> $1 echo "PEERDNS=yes" >> $1 echo "ONBOOT=yes" >> $1 - cp $1 /etc/sysconfig/network-scripts/ +chmod 600 $2 +interface=$(echo $2 | awk -F - '{ print $2 }') +filename="${2##*/}" + +sed '/\[connection\]/a autoconnect=true' $2 > /etc/NetworkManager/system-connections/${filename} -interface=$(echo $1 | awk -F - '{ print $2 }') /sbin/ifdown $interface 2>/dev/null /sbin/ifup $interface 2>/dev/null |