[PATCH 11/13] Tools: hv: Gather dhcp information
From: "K. Y. Srinivasan" <kys@microsoft.com>
Date: 2012-06-21 21:19:48
Also in:
lkml
Subsystem:
hyper-v/azure core and drivers, the rest · Maintainers:
"K. Y. Srinivasan", Haiyang Zhang, Wei Liu, Dexuan Cui, Long Li, Linus Torvalds
Collect information on dhcp setting for the specified interface. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> --- tools/hv/hv_kvp_daemon.c | 33 +++++++++++++++++++++++++++++++++ 1 files changed, 33 insertions(+), 0 deletions(-)
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index 68a4cc1..dcf67fa 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c@@ -524,6 +524,10 @@ static void kvp_get_ipconfig_info(char *if_name, char cmd[512]; char *dns_config = "/var/opt/hyperv/.kvp_dns_cfg"; char *gw_config = "/var/opt/hyperv/.kvp_gw_cfg"; + char if_cfg_file[256]; + FILE *file; + char *p; + char buf[256]; memset(cmd, 0, 512); strcat(cmd, "cat /etc/resolv.conf 2>/tmp/null | ");
@@ -569,6 +573,35 @@ static void kvp_get_ipconfig_info(char *if_name, kvp_process_ipconfig_file(gw_config, (char *)buffer->gate_way, (MAX_GATEWAY_SIZE * 2), INET6_ADDRSTRLEN, strlen(gw_config)); + + /* + * Get the boot protocol for the interface. + * We will get the info from: + * /etc/sysconfig/network-scripts/ifcfg-ethx + * If need to parse other files to get + * this info, we need to add code to parse + * other files. + */ + memset(if_cfg_file, 0, sizeof(if_cfg_file)); + strcat(if_cfg_file, "/etc/sysconfig/network-scripts/ifcfg-"); + strcat(if_cfg_file, if_name); + + file = fopen(if_cfg_file, "r"); + if (file == NULL) + /* + * Add code to parse other files. + */ + return; + + while ((p = fgets(buf, sizeof(buf), file)) != NULL) { + if (strncmp(p, "BOOTPROTO", 9)) + continue; + if (strncmp(p, "BOOTPROTO=none", 14)) + buffer->dhcp_enabled = 0; + else + buffer->dhcp_enabled = 1; + } + }
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1.7.4.1