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Diffstat (limited to 'drivers/staging/hv/tools/hv_kvp_daemon.c')
-rw-r--r--drivers/staging/hv/tools/hv_kvp_daemon.c493
1 files changed, 0 insertions, 493 deletions
diff --git a/drivers/staging/hv/tools/hv_kvp_daemon.c b/drivers/staging/hv/tools/hv_kvp_daemon.c
deleted file mode 100644
index a4a407f..0000000
--- a/drivers/staging/hv/tools/hv_kvp_daemon.c
+++ /dev/null
@@ -1,493 +0,0 @@
-/*
- * An implementation of key value pair (KVP) functionality for Linux.
- *
- *
- * Copyright (C) 2010, Novell, Inc.
- * Author : K. Y. Srinivasan <ksrinivasan@novell.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for more
- * details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/poll.h>
-#include <sys/utsname.h>
-#include <linux/types.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <arpa/inet.h>
-#include <linux/connector.h>
-#include <linux/netlink.h>
-#include <ifaddrs.h>
-#include <netdb.h>
-#include <syslog.h>
-
-/*
- * KYS: TODO. Need to register these in the kernel.
- *
- * The following definitions are shared with the in-kernel component; do not
- * change any of this without making the corresponding changes in
- * the KVP kernel component.
- */
-#define CN_KVP_IDX 0x9 /* MSFT KVP functionality */
-#define CN_KVP_VAL 0x1 /* This supports queries from the kernel */
-#define CN_KVP_USER_VAL 0x2 /* This supports queries from the user */
-
-/*
- * KVP protocol: The user mode component first registers with the
- * the kernel component. Subsequently, the kernel component requests, data
- * for the specified keys. In response to this message the user mode component
- * fills in the value corresponding to the specified key. We overload the
- * sequence field in the cn_msg header to define our KVP message types.
- *
- * We use this infrastructure for also supporting queries from user mode
- * application for state that may be maintained in the KVP kernel component.
- *
- * XXXKYS: Have a shared header file between the user and kernel (TODO)
- */
-
-enum kvp_op {
- KVP_REGISTER = 0, /* Register the user mode component*/
- KVP_KERNEL_GET, /*Kernel is requesting the value for the specified key*/
- KVP_KERNEL_SET, /*Kernel is providing the value for the specified key*/
- KVP_USER_GET, /*User is requesting the value for the specified key*/
- KVP_USER_SET /*User is providing the value for the specified key*/
-};
-
-#define HV_KVP_EXCHANGE_MAX_KEY_SIZE 512
-#define HV_KVP_EXCHANGE_MAX_VALUE_SIZE 2048
-
-struct hv_ku_msg {
- __u32 kvp_index;
- __u8 kvp_key[HV_KVP_EXCHANGE_MAX_KEY_SIZE]; /* Key name */
- __u8 kvp_value[HV_KVP_EXCHANGE_MAX_VALUE_SIZE]; /* Key value */
-};
-
-enum key_index {
- FullyQualifiedDomainName = 0,
- IntegrationServicesVersion, /*This key is serviced in the kernel*/
- NetworkAddressIPv4,
- NetworkAddressIPv6,
- OSBuildNumber,
- OSName,
- OSMajorVersion,
- OSMinorVersion,
- OSVersion,
- ProcessorArchitecture
-};
-
-/*
- * End of shared definitions.
- */
-
-static char kvp_send_buffer[4096];
-static char kvp_recv_buffer[4096];
-static struct sockaddr_nl addr;
-
-static char *os_name = "";
-static char *os_major = "";
-static char *os_minor = "";
-static char *processor_arch;
-static char *os_build;
-static char *lic_version;
-static struct utsname uts_buf;
-
-void kvp_get_os_info(void)
-{
- FILE *file;
- char *p, buf[512];
-
- uname(&uts_buf);
- os_build = uts_buf.release;
- processor_arch= uts_buf.machine;
-
- file = fopen("/etc/SuSE-release", "r");
- if (file != NULL)
- goto kvp_osinfo_found;
- file = fopen("/etc/redhat-release", "r");
- if (file != NULL)
- goto kvp_osinfo_found;
- /*
- * Add code for other supported platforms.
- */
-
- /*
- * We don't have information about the os.
- */
- os_name = uts_buf.sysname;
- return;
-
-kvp_osinfo_found:
- /* up to three lines */
- p = fgets(buf, sizeof(buf), file);
- if (p) {
- p = strchr(buf, '\n');
- if (p)
- *p = '\0';
- p = strdup(buf);
- if (!p)
- goto done;
- os_name = p;
-
- /* second line */
- p = fgets(buf, sizeof(buf), file);
- if (p) {
- p = strchr(buf, '\n');
- if (p)
- *p = '\0';
- p = strdup(buf);
- if (!p)
- goto done;
- os_major = p;
-
- /* third line */
- p = fgets(buf, sizeof(buf), file);
- if (p) {
- p = strchr(buf, '\n');
- if (p)
- *p = '\0';
- p = strdup(buf);
- if (p)
- os_minor = p;
- }
- }
- }
-
-done:
- fclose(file);
- return;
-}
-
-static int
-kvp_get_ip_address(int family, char *buffer, int length)
-{
- struct ifaddrs *ifap;
- struct ifaddrs *curp;
- int ipv4_len = strlen("255.255.255.255") + 1;
- int ipv6_len = strlen("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")+1;
- int offset = 0;
- const char *str;
- char tmp[50];
- int error = 0;
-
- /*
- * On entry into this function, the buffer is capable of holding the
- * maximum key value (2048 bytes).
- */
-
- if (getifaddrs(&ifap)) {
- strcpy(buffer, "getifaddrs failed\n");
- return 1;
- }
-
- curp = ifap;
- while (curp != NULL) {
- if ((curp->ifa_addr != NULL) &&
- (curp->ifa_addr->sa_family == family)) {
- if (family == AF_INET) {
- struct sockaddr_in *addr =
- (struct sockaddr_in *) curp->ifa_addr;
-
- str = inet_ntop(family, &addr->sin_addr,
- tmp, 50);
- if (str == NULL) {
- strcpy(buffer, "inet_ntop failed\n");
- error = 1;
- goto getaddr_done;
- }
- if (offset == 0)
- strcpy(buffer, tmp);
- else
- strcat(buffer, tmp);
- strcat(buffer, ";");
-
- offset += strlen(str) + 1;
- if ((length - offset) < (ipv4_len + 1))
- goto getaddr_done;
-
- } else {
-
- /*
- * We only support AF_INET and AF_INET6
- * and the list of addresses is separated by a ";".
- */
- struct sockaddr_in6 *addr =
- (struct sockaddr_in6 *) curp->ifa_addr;
-
- str = inet_ntop(family,
- &addr->sin6_addr.s6_addr,
- tmp, 50);
- if (str == NULL) {
- strcpy(buffer, "inet_ntop failed\n");
- error = 1;
- goto getaddr_done;
- }
- if (offset == 0)
- strcpy(buffer, tmp);
- else
- strcat(buffer, tmp);
- strcat(buffer, ";");
- offset += strlen(str) + 1;
- if ((length - offset) < (ipv6_len + 1))
- goto getaddr_done;
-
- }
-
- }
- curp = curp->ifa_next;
- }
-
-getaddr_done:
- freeifaddrs(ifap);
- return error;
-}
-
-
-static int
-kvp_get_domain_name(char *buffer, int length)
-{
- struct addrinfo hints, *info ;
- gethostname(buffer, length);
- int error = 0;
-
- memset(&hints, 0, sizeof(hints));
- hints.ai_family = AF_INET; /*Get only ipv4 addrinfo. */
- hints.ai_socktype = SOCK_STREAM;
- hints.ai_flags = AI_CANONNAME;
-
- error = getaddrinfo(buffer, "http", &hints, &info);
- if (error != 0) {
- strcpy(buffer, "getaddrinfo failed\n");
- error = 1;
- goto get_domain_done;
- }
- strcpy(buffer, info->ai_canonname);
-get_domain_done:
- freeaddrinfo(info);
- return error;
-}
-
-static int
-netlink_send(int fd, struct cn_msg *msg)
-{
- struct nlmsghdr *nlh;
- unsigned int size;
- struct msghdr message;
- char buffer[64];
- struct iovec iov[2];
-
- size = NLMSG_SPACE(sizeof(struct cn_msg) + msg->len);
-
- nlh = (struct nlmsghdr *)buffer;
- nlh->nlmsg_seq = 0;
- nlh->nlmsg_pid = getpid();
- nlh->nlmsg_type = NLMSG_DONE;
- nlh->nlmsg_len = NLMSG_LENGTH(size - sizeof(*nlh));
- nlh->nlmsg_flags = 0;
-
- iov[0].iov_base = nlh;
- iov[0].iov_len = sizeof(*nlh);
-
- iov[1].iov_base = msg;
- iov[1].iov_len = size;
-
- memset(&message, 0, sizeof(message));
- message.msg_name = &addr;
- message.msg_namelen = sizeof(addr);
- message.msg_iov = iov;
- message.msg_iovlen = 2;
-
- return sendmsg(fd, &message, 0);
-}
-
-int main(void)
-{
- int fd, len, sock_opt;
- int error;
- struct cn_msg *message;
- struct pollfd pfd;
- struct nlmsghdr *incoming_msg;
- struct cn_msg *incoming_cn_msg;
- struct hv_ku_msg *hv_msg;
- char *p;
- char *key_value;
- char *key_name;
-
- daemon(1, 0);
- openlog("KVP", 0, LOG_USER);
- syslog(LOG_INFO, "KVP starting; pid is:%d", getpid());
- /*
- * Retrieve OS release information.
- */
- kvp_get_os_info();
-
- fd = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);
- if (fd < 0) {
- syslog(LOG_ERR, "netlink socket creation failed; error:%d", fd);
- exit(-1);
- }
- addr.nl_family = AF_NETLINK;
- addr.nl_pad = 0;
- addr.nl_pid = 0;
- addr.nl_groups = CN_KVP_IDX;
-
-
- error = bind(fd, (struct sockaddr *)&addr, sizeof(addr));
- if (error < 0) {
- syslog(LOG_ERR, "bind failed; error:%d", error);
- close(fd);
- exit(-1);
- }
- sock_opt = addr.nl_groups;
- setsockopt(fd, 270, 1, &sock_opt, sizeof(sock_opt));
- /*
- * Register ourselves with the kernel.
- */
- message = (struct cn_msg *)kvp_send_buffer;
- message->id.idx = CN_KVP_IDX;
- message->id.val = CN_KVP_VAL;
- message->seq = KVP_REGISTER;
- message->ack = 0;
- message->len = 0;
-
- len = netlink_send(fd, message);
- if (len < 0) {
- syslog(LOG_ERR, "netlink_send failed; error:%d", len);
- close(fd);
- exit(-1);
- }
-
- pfd.fd = fd;
-
- while (1) {
- pfd.events = POLLIN;
- pfd.revents = 0;
- poll(&pfd, 1, -1);
-
- len = recv(fd, kvp_recv_buffer, sizeof(kvp_recv_buffer), 0);
-
- if (len < 0) {
- syslog(LOG_ERR, "recv failed; error:%d", len);
- close(fd);
- return -1;
- }
-
- incoming_msg = (struct nlmsghdr *)kvp_recv_buffer;
- incoming_cn_msg = (struct cn_msg *)NLMSG_DATA(incoming_msg);
-
- switch (incoming_cn_msg->seq) {
- case KVP_REGISTER:
- /*
- * Driver is registering with us; stash away the version
- * information.
- */
- p = (char *)incoming_cn_msg->data;
- lic_version = malloc(strlen(p) + 1);
- if (lic_version) {
- strcpy(lic_version, p);
- syslog(LOG_INFO, "KVP LIC Version: %s",
- lic_version);
- } else {
- syslog(LOG_ERR, "malloc failed");
- }
- continue;
-
- case KVP_KERNEL_GET:
- break;
- default:
- continue;
- }
-
- hv_msg = (struct hv_ku_msg *)incoming_cn_msg->data;
- key_name = (char *)hv_msg->kvp_key;
- key_value = (char *)hv_msg->kvp_value;
-
- switch (hv_msg->kvp_index) {
- case FullyQualifiedDomainName:
- kvp_get_domain_name(key_value,
- HV_KVP_EXCHANGE_MAX_VALUE_SIZE);
- strcpy(key_name, "FullyQualifiedDomainName");
- break;
- case IntegrationServicesVersion:
- strcpy(key_name, "IntegrationServicesVersion");
- strcpy(key_value, lic_version);
- break;
- case NetworkAddressIPv4:
- kvp_get_ip_address(AF_INET, key_value,
- HV_KVP_EXCHANGE_MAX_VALUE_SIZE);
- strcpy(key_name, "NetworkAddressIPv4");
- break;
- case NetworkAddressIPv6:
- kvp_get_ip_address(AF_INET6, key_value,
- HV_KVP_EXCHANGE_MAX_VALUE_SIZE);
- strcpy(key_name, "NetworkAddressIPv6");
- break;
- case OSBuildNumber:
- strcpy(key_value, os_build);
- strcpy(key_name, "OSBuildNumber");
- break;
- case OSName:
- strcpy(key_value, os_name);
- strcpy(key_name, "OSName");
- break;
- case OSMajorVersion:
- strcpy(key_value, os_major);
- strcpy(key_name, "OSMajorVersion");
- break;
- case OSMinorVersion:
- strcpy(key_value, os_minor);
- strcpy(key_name, "OSMinorVersion");
- break;
- case OSVersion:
- strcpy(key_value, os_build);
- strcpy(key_name, "OSVersion");
- break;
- case ProcessorArchitecture:
- strcpy(key_value, processor_arch);
- strcpy(key_name, "ProcessorArchitecture");
- break;
- default:
- strcpy(key_value, "Unknown Key");
- /*
- * We use a null key name to terminate enumeration.
- */
- strcpy(key_name, "");
- break;
- }
- /*
- * Send the value back to the kernel. The response is
- * already in the receive buffer. Update the cn_msg header to
- * reflect the key value that has been added to the message
- */
-
- incoming_cn_msg->id.idx = CN_KVP_IDX;
- incoming_cn_msg->id.val = CN_KVP_VAL;
- incoming_cn_msg->seq = KVP_USER_SET;
- incoming_cn_msg->ack = 0;
- incoming_cn_msg->len = sizeof(struct hv_ku_msg);
-
- len = netlink_send(fd, incoming_cn_msg);
- if (len < 0) {
- syslog(LOG_ERR, "net_link send failed; error:%d", len);
- exit(-1);
- }
- }
-
-}
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