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@ -1,67 +0,0 @@
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From 1df9596722c093afd097fd7a9689092a5cee7d2a Mon Sep 17 00:00:00 2001
|
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From: Ani Sinha <anisinha@redhat.com>
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Date: Tue, 10 Oct 2023 11:50:30 +0530
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Subject: [PATCH 4/4] Changes for adding keyfile support in RHEL specific
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script
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RH-Author: Ani Sinha <anisinha@redhat.com>
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RH-MergeRequest: 8: hv/hv_kvp_daemon:Support for keyfile based connection profile
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RH-Jira: RHEL-9902
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RH-Acked-by: Cathy Avery <cavery@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Commit: [4/4] b60a8d644b0e777373c92f4778c3d4560f6f2642 (anisinha/centos-hyperv-daemons)
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Some adjustments to the RHEL specific customization script in order to support
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Network Manager keyfiles. These changes were tested internally by Red Hat QE.
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These changes are mostly trivial and are not pushed upstream at this momemnt.
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Jira: https://issues.redhat.com/browse/RHEL-9902
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See also https://issues.redhat.com/browse/RHEL-14505
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Signed-off-by: Ani Sinha <anisinha@redhat.com>
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---
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hv_set_ifconfig.sh | 25 ++++++++++++++-----------
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1 file changed, 14 insertions(+), 11 deletions(-)
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diff --git a/hv_set_ifconfig.sh b/hv_set_ifconfig.sh
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index 9c2ee30..0bdf2bc 100644
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--- a/hv_set_ifconfig.sh
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+++ b/hv_set_ifconfig.sh
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@@ -74,19 +74,22 @@
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# call.
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#
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+# This is RHEL specific bash script that configures NM keyfiles.
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+# ifcfg files passed as the first argument to this script remains untouched.
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+if [ -z "$2" ]; then
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+ echo "No input NM keyfile. Exiting!"
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+ exit 1
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+fi
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|
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-echo "IPV6INIT=yes" >> $1
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-echo "PEERDNS=yes" >> $1
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-echo "ONBOOT=yes" >> $1
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+sed -i '/\[ipv4\]/a ignore-auto-dns=false' $2
|
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+sed -i '/\[connection\]/a autoconnect=true' $2
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|
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-#Unlike older sysconfig scripts, NetworkManager expects GATEWAYx=ipaddr for all values of x.
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-#So the first gateway is GATEWAY0 instead of GATEWAY. Other values should remain unchanged.
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-#Workaround this by replacing GATEWAY= with GATEWAY0=.
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-sed -i "s/GATEWAY=/GATEWAY0=/" $1
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+filename="${2##*/}"
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+chmod 600 $2
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+cp $2 /etc/NetworkManager/system-connections/
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|
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-cp $1 /etc/sysconfig/network-scripts/
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+nmcli connection load "/etc/NetworkManager/system-connections/${filename}"
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+nmcli connection up filename "/etc/NetworkManager/system-connections/${filename}"
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|
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-filename="${1##*/}"
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-nmcli connection load "/etc/sysconfig/network-scripts/${filename}"
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-nmcli connection up filename "/etc/sysconfig/network-scripts/${filename}"
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+exit 0
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--
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2.39.3
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|
@ -1,335 +0,0 @@
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From d252f80372544b9b7e060b90bf5c5b0ccf6093d6 Mon Sep 17 00:00:00 2001
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From: Shradha Gupta <shradhagupta@linux.microsoft.com>
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Date: Fri, 22 Mar 2024 06:46:02 -0700
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Subject: [PATCH 3/4] hv/hv_kvp_daemon: Handle IPv4 and Ipv6 combination for
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keyfile format
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|
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RH-Author: Ani Sinha <anisinha@redhat.com>
|
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RH-MergeRequest: 8: hv/hv_kvp_daemon:Support for keyfile based connection profile
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RH-Jira: RHEL-9902
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RH-Acked-by: Cathy Avery <cavery@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
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RH-Commit: [3/4] e164b6951b873467f8c87e0d01b1fd89326aa64e (anisinha/centos-hyperv-daemons)
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|
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If the network configuration strings are passed as a combination of IPv4
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and IPv6 addresses, the current KVP daemon does not handle processing for
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the keyfile configuration format.
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With these changes, the keyfile config generation logic scans through the
|
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list twice to generate IPv4 and IPv6 sections for the configuration files
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to handle this support.
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|
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Testcases ran:Rhel 9, Hyper-V VMs
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(IPv4 only, IPv6 only, IPv4 and IPv6 combination)
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|
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Cherry-picked from Linux kernel upstream commit
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f971f6dd3742d2 ("hv/hv_kvp_daemon: Handle IPv4 and Ipv6 combination for keyfile format")
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Co-developed-by: Ani Sinha <anisinha@redhat.com>
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Signed-off-by: Ani Sinha <anisinha@redhat.com>
|
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Signed-off-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
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Reviewed-by: Easwar Hariharan <eahariha@linux.microsoft.com>
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Tested-by: Ani Sinha <anisinha@redhat.com>
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Reviewed-by: Ani Sinha <anisinha@redhat.com>
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Link: https://lore.kernel.org/r/1711115162-11629-1-git-send-email-shradhagupta@linux.microsoft.com
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Signed-off-by: Wei Liu <wei.liu@kernel.org>
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Message-ID: <1711115162-11629-1-git-send-email-shradhagupta@linux.microsoft.com>
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---
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hv_kvp_daemon.c | 213 ++++++++++++++++++++++++++++++++++++++----------
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1 file changed, 172 insertions(+), 41 deletions(-)
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diff --git a/hv_kvp_daemon.c b/hv_kvp_daemon.c
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index 2f1862e..aa350d8 100644
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--- a/hv_kvp_daemon.c
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+++ b/hv_kvp_daemon.c
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@@ -76,6 +76,12 @@ enum {
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DNS
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};
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+enum {
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+ IPV4 = 1,
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+ IPV6,
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+ IP_TYPE_MAX
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+};
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+
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static int in_hand_shake;
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static char *os_name = "";
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@@ -102,6 +108,11 @@ static struct utsname uts_buf;
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|
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#define MAX_FILE_NAME 100
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#define ENTRIES_PER_BLOCK 50
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+/*
|
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+ * Change this entry if the number of addresses increases in future
|
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+ */
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|
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+#define MAX_IP_ENTRIES 64
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+#define OUTSTR_BUF_SIZE ((INET6_ADDRSTRLEN + 1) * MAX_IP_ENTRIES)
|
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|
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struct kvp_record {
|
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char key[HV_KVP_EXCHANGE_MAX_KEY_SIZE];
|
|
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@@ -1171,6 +1182,18 @@ static int process_ip_string(FILE *f, char *ip_string, int type)
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|
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return 0;
|
|
||||||
}
|
|
||||||
|
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+int ip_version_check(const char *input_addr)
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+{
|
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+ struct in6_addr addr;
|
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+
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+ if (inet_pton(AF_INET, input_addr, &addr))
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+ return IPV4;
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+ else if (inet_pton(AF_INET6, input_addr, &addr))
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+ return IPV6;
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+
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+ return -EINVAL;
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+}
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+
|
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/*
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* Only IPv4 subnet strings needs to be converted to plen
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* For IPv6 the subnet is already privided in plen format
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@@ -1197,14 +1220,75 @@ static int kvp_subnet_to_plen(char *subnet_addr_str)
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return plen;
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}
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+static int process_dns_gateway_nm(FILE *f, char *ip_string, int type,
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+ int ip_sec)
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+{
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+ char addr[INET6_ADDRSTRLEN], *output_str;
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+ int ip_offset = 0, error = 0, ip_ver;
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+ char *param_name;
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+
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+ if (type == DNS)
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+ param_name = "dns";
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+ else if (type == GATEWAY)
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+ param_name = "gateway";
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+ else
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+ return -EINVAL;
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+
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+ output_str = (char *)calloc(OUTSTR_BUF_SIZE, sizeof(char));
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+ if (!output_str)
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+ return -ENOMEM;
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+
|
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+ while (1) {
|
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+ memset(addr, 0, sizeof(addr));
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+
|
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+ if (!parse_ip_val_buffer(ip_string, &ip_offset, addr,
|
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+ (MAX_IP_ADDR_SIZE * 2)))
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+ break;
|
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+
|
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+ ip_ver = ip_version_check(addr);
|
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+ if (ip_ver < 0)
|
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+ continue;
|
|
||||||
+
|
|
||||||
+ if ((ip_ver == IPV4 && ip_sec == IPV4) ||
|
|
||||||
+ (ip_ver == IPV6 && ip_sec == IPV6)) {
|
|
||||||
+ /*
|
|
||||||
+ * do a bound check to avoid out-of bound writes
|
|
||||||
+ */
|
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+ if ((OUTSTR_BUF_SIZE - strlen(output_str)) >
|
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+ (strlen(addr) + 1)) {
|
|
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+ strncat(output_str, addr,
|
|
||||||
+ OUTSTR_BUF_SIZE -
|
|
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+ strlen(output_str) - 1);
|
|
||||||
+ strncat(output_str, ",",
|
|
||||||
+ OUTSTR_BUF_SIZE -
|
|
||||||
+ strlen(output_str) - 1);
|
|
||||||
+ }
|
|
||||||
+ } else {
|
|
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+ continue;
|
|
||||||
+ }
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ if (strlen(output_str)) {
|
|
||||||
+ /*
|
|
||||||
+ * This is to get rid of that extra comma character
|
|
||||||
+ * in the end of the string
|
|
||||||
+ */
|
|
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+ output_str[strlen(output_str) - 1] = '\0';
|
|
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+ error = fprintf(f, "%s=%s\n", param_name, output_str);
|
|
||||||
+ }
|
|
||||||
+
|
|
||||||
+ free(output_str);
|
|
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+ return error;
|
|
||||||
+}
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|
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+
|
|
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static int process_ip_string_nm(FILE *f, char *ip_string, char *subnet,
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|
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- int is_ipv6)
|
|
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+ int ip_sec)
|
|
||||||
{
|
|
||||||
char addr[INET6_ADDRSTRLEN];
|
|
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char subnet_addr[INET6_ADDRSTRLEN];
|
|
||||||
- int error, i = 0;
|
|
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+ int error = 0, i = 0;
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|
||||||
int ip_offset = 0, subnet_offset = 0;
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|
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- int plen;
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|
||||||
+ int plen, ip_ver;
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||||||
|
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||||||
memset(addr, 0, sizeof(addr));
|
|
||||||
memset(subnet_addr, 0, sizeof(subnet_addr));
|
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@@ -1216,10 +1300,16 @@ static int process_ip_string_nm(FILE *f, char *ip_string, char *subnet,
|
|
||||||
subnet_addr,
|
|
||||||
(MAX_IP_ADDR_SIZE *
|
|
||||||
2))) {
|
|
||||||
- if (!is_ipv6)
|
|
||||||
+ ip_ver = ip_version_check(addr);
|
|
||||||
+ if (ip_ver < 0)
|
|
||||||
+ continue;
|
|
||||||
+
|
|
||||||
+ if (ip_ver == IPV4 && ip_sec == IPV4)
|
|
||||||
plen = kvp_subnet_to_plen((char *)subnet_addr);
|
|
||||||
- else
|
|
||||||
+ else if (ip_ver == IPV6 && ip_sec == IPV6)
|
|
||||||
plen = atoi(subnet_addr);
|
|
||||||
+ else
|
|
||||||
+ continue;
|
|
||||||
|
|
||||||
if (plen < 0)
|
|
||||||
return plen;
|
|
||||||
@@ -1233,17 +1323,16 @@ static int process_ip_string_nm(FILE *f, char *ip_string, char *subnet,
|
|
||||||
memset(subnet_addr, 0, sizeof(subnet_addr));
|
|
||||||
}
|
|
||||||
|
|
||||||
- return 0;
|
|
||||||
+ return error;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val)
|
|
||||||
{
|
|
||||||
- int error = 0;
|
|
||||||
+ int error = 0, ip_ver;
|
|
||||||
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;
|
|
||||||
|
|
||||||
@@ -1421,52 +1510,94 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val)
|
|
||||||
if (error)
|
|
||||||
goto setval_error;
|
|
||||||
|
|
||||||
- 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
|
|
||||||
+ *
|
|
||||||
+ * The keyfile format expects the IPv6 and IPv4 configuration in
|
|
||||||
+ * different sections. Therefore we iterate through the list twice,
|
|
||||||
+ * once to populate the IPv4 section and the next time for IPv6
|
|
||||||
*/
|
|
||||||
+ ip_ver = IPV4;
|
|
||||||
+ do {
|
|
||||||
+ if (ip_ver == IPV4) {
|
|
||||||
+ error = fprintf(nmfile, "\n[ipv4]\n");
|
|
||||||
+ if (error < 0)
|
|
||||||
+ goto setval_error;
|
|
||||||
+ } else {
|
|
||||||
+ error = fprintf(nmfile, "\n[ipv6]\n");
|
|
||||||
+ if (error < 0)
|
|
||||||
+ goto setval_error;
|
|
||||||
+ }
|
|
||||||
|
|
||||||
- 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");
|
|
||||||
+ /*
|
|
||||||
+ * 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,
|
|
||||||
+ ip_ver);
|
|
||||||
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;
|
|
||||||
+ /*
|
|
||||||
+ * As dhcp_enabled is only valid for ipv4, we do not set dhcp
|
|
||||||
+ * methods for ipv6 based on dhcp_enabled flag.
|
|
||||||
+ *
|
|
||||||
+ * For ipv4, set method to manual only when dhcp_enabled is
|
|
||||||
+ * false and specific ipv4 addresses are configured. If neither
|
|
||||||
+ * dhcp_enabled is true and no ipv4 addresses are configured,
|
|
||||||
+ * set method to 'disabled'.
|
|
||||||
+ *
|
|
||||||
+ * For ipv6, set method to manual when we configure ipv6
|
|
||||||
+ * addresses. Otherwise set method to 'auto' so that SLAAC from
|
|
||||||
+ * RA may be used.
|
|
||||||
+ */
|
|
||||||
+ if (ip_ver == IPV4) {
|
|
||||||
+ if (new_val->dhcp_enabled) {
|
|
||||||
+ error = kvp_write_file(nmfile, "method", "",
|
|
||||||
+ "auto");
|
|
||||||
+ if (error < 0)
|
|
||||||
+ goto setval_error;
|
|
||||||
+ } else if (error) {
|
|
||||||
+ error = kvp_write_file(nmfile, "method", "",
|
|
||||||
+ "manual");
|
|
||||||
+ if (error < 0)
|
|
||||||
+ goto setval_error;
|
|
||||||
+ } else {
|
|
||||||
+ error = kvp_write_file(nmfile, "method", "",
|
|
||||||
+ "disabled");
|
|
||||||
+ if (error < 0)
|
|
||||||
+ goto setval_error;
|
|
||||||
+ }
|
|
||||||
+ } else if (ip_ver == IPV6) {
|
|
||||||
+ if (error) {
|
|
||||||
+ error = kvp_write_file(nmfile, "method", "",
|
|
||||||
+ "manual");
|
|
||||||
+ if (error < 0)
|
|
||||||
+ goto setval_error;
|
|
||||||
+ } else {
|
|
||||||
+ error = kvp_write_file(nmfile, "method", "",
|
|
||||||
+ "auto");
|
|
||||||
+ if (error < 0)
|
|
||||||
+ goto setval_error;
|
|
||||||
+ }
|
|
||||||
+ }
|
|
||||||
|
|
||||||
- /* we do not want ipv4 addresses in ipv6 section and vice versa */
|
|
||||||
- if (is_ipv6 != is_ipv4((char *)new_val->gate_way)) {
|
|
||||||
- error = fprintf(nmfile, "gateway=%s\n", (char *)new_val->gate_way);
|
|
||||||
+ error = process_dns_gateway_nm(nmfile,
|
|
||||||
+ (char *)new_val->gate_way,
|
|
||||||
+ GATEWAY, ip_ver);
|
|
||||||
if (error < 0)
|
|
||||||
goto setval_error;
|
|
||||||
- }
|
|
||||||
|
|
||||||
- if (is_ipv6 != is_ipv4((char *)new_val->dns_addr)) {
|
|
||||||
- error = fprintf(nmfile, "dns=%s\n", (char *)new_val->dns_addr);
|
|
||||||
+ error = process_dns_gateway_nm(nmfile,
|
|
||||||
+ (char *)new_val->dns_addr, DNS,
|
|
||||||
+ ip_ver);
|
|
||||||
if (error < 0)
|
|
||||||
goto setval_error;
|
|
||||||
- }
|
|
||||||
+
|
|
||||||
+ ip_ver++;
|
|
||||||
+ } while (ip_ver < IP_TYPE_MAX);
|
|
||||||
+
|
|
||||||
fclose(nmfile);
|
|
||||||
fclose(ifcfg_file);
|
|
||||||
|
|
||||||
--
|
|
||||||
2.39.3
|
|
||||||
|
|
@ -1,100 +0,0 @@
|
|||||||
From 61d2686d4b36e5a9099d80131044807f69142249 Mon Sep 17 00:00:00 2001
|
|
||||||
From: Ani Sinha <anisinha@redhat.com>
|
|
||||||
Date: Mon, 16 Oct 2023 19:03:33 +0530
|
|
||||||
Subject: [PATCH 2/4] hv/hv_kvp_daemon: Some small fixes for handling NM
|
|
||||||
keyfiles
|
|
||||||
|
|
||||||
RH-Author: Ani Sinha <anisinha@redhat.com>
|
|
||||||
RH-MergeRequest: 8: hv/hv_kvp_daemon:Support for keyfile based connection profile
|
|
||||||
RH-Jira: RHEL-9902
|
|
||||||
RH-Acked-by: Cathy Avery <cavery@redhat.com>
|
|
||||||
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
||||||
RH-Commit: [2/4] 1676c48ed1f2d91dd1f8c43f6c8009e3bebf295a (anisinha/centos-hyperv-daemons)
|
|
||||||
|
|
||||||
Some small fixes:
|
|
||||||
- lets make sure we are not adding ipv4 addresses in ipv6 section in
|
|
||||||
keyfile and vice versa.
|
|
||||||
- ADDR_FAMILY_IPV6 is a bit in addr_family. Test that bit instead of
|
|
||||||
checking the whole value of addr_family.
|
|
||||||
- Some trivial fixes in hv_set_ifconfig.sh.
|
|
||||||
|
|
||||||
These fixes are proposed after doing some internal testing at Red Hat.
|
|
||||||
|
|
||||||
Cherry-picked from upstream linux
|
|
||||||
kernel commit c3803203bc5ec910a ("hv/hv_kvp_daemon: Some small fixes for handling NM keyfiles")
|
|
||||||
CC: Shradha Gupta <shradhagupta@linux.microsoft.com>
|
|
||||||
CC: Saurabh Sengar <ssengar@linux.microsoft.com>
|
|
||||||
Fixes: 42999c904612 ("hv/hv_kvp_daemon:Support for keyfile based connection profile")
|
|
||||||
Signed-off-by: Ani Sinha <anisinha@redhat.com>
|
|
||||||
Reviewed-by: Shradha Gupta <Shradhagupta@linux.microsoft.com>
|
|
||||||
Signed-off-by: Wei Liu <wei.liu@kernel.org>
|
|
||||||
Message-ID: <20231016133122.2419537-1-anisinha@redhat.com>
|
|
||||||
---
|
|
||||||
hv_kvp_daemon.c | 20 ++++++++++++--------
|
|
||||||
hv_set_ifconfig.sh | 4 ++--
|
|
||||||
2 files changed, 14 insertions(+), 10 deletions(-)
|
|
||||||
|
|
||||||
diff --git a/hv_kvp_daemon.c b/hv_kvp_daemon.c
|
|
||||||
index d50b4e8..2f1862e 100644
|
|
||||||
--- a/hv_kvp_daemon.c
|
|
||||||
+++ b/hv_kvp_daemon.c
|
|
||||||
@@ -1421,7 +1421,7 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val)
|
|
||||||
if (error)
|
|
||||||
goto setval_error;
|
|
||||||
|
|
||||||
- if (new_val->addr_family == ADDR_FAMILY_IPV6) {
|
|
||||||
+ if (new_val->addr_family & ADDR_FAMILY_IPV6) {
|
|
||||||
error = fprintf(nmfile, "\n[ipv6]\n");
|
|
||||||
if (error < 0)
|
|
||||||
goto setval_error;
|
|
||||||
@@ -1455,14 +1455,18 @@ static int kvp_set_ip_info(char *if_name, struct hv_kvp_ipaddr_value *new_val)
|
|
||||||
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;
|
|
||||||
+ /* we do not want ipv4 addresses in ipv6 section and vice versa */
|
|
||||||
+ if (is_ipv6 != is_ipv4((char *)new_val->gate_way)) {
|
|
||||||
+ error = fprintf(nmfile, "gateway=%s\n", (char *)new_val->gate_way);
|
|
||||||
+ if (error < 0)
|
|
||||||
+ goto setval_error;
|
|
||||||
+ }
|
|
||||||
|
|
||||||
+ if (is_ipv6 != is_ipv4((char *)new_val->dns_addr)) {
|
|
||||||
+ error = fprintf(nmfile, "dns=%s\n", (char *)new_val->dns_addr);
|
|
||||||
+ if (error < 0)
|
|
||||||
+ goto setval_error;
|
|
||||||
+ }
|
|
||||||
fclose(nmfile);
|
|
||||||
fclose(ifcfg_file);
|
|
||||||
|
|
||||||
diff --git a/hv_set_ifconfig.sh b/hv_set_ifconfig.sh
|
|
||||||
index 35aae6f..9c2ee30 100644
|
|
||||||
--- a/hv_set_ifconfig.sh
|
|
||||||
+++ b/hv_set_ifconfig.sh
|
|
||||||
@@ -53,7 +53,7 @@
|
|
||||||
# or "manual" if no boot-time protocol should be used)
|
|
||||||
#
|
|
||||||
# address1=ipaddr1/plen
|
|
||||||
-# address=ipaddr2/plen
|
|
||||||
+# address2=ipaddr2/plen
|
|
||||||
#
|
|
||||||
# gateway=gateway1;gateway2
|
|
||||||
#
|
|
||||||
@@ -61,7 +61,7 @@
|
|
||||||
#
|
|
||||||
# [ipv6]
|
|
||||||
# address1=ipaddr1/plen
|
|
||||||
-# address2=ipaddr1/plen
|
|
||||||
+# address2=ipaddr2/plen
|
|
||||||
#
|
|
||||||
# gateway=gateway1;gateway2
|
|
||||||
#
|
|
||||||
--
|
|
||||||
2.39.3
|
|
||||||
|
|
@ -1,426 +0,0 @@
|
|||||||
From 626a1af79f67bd9150dd6ff496d0dbbfb93bc320 Mon Sep 17 00:00:00 2001
|
|
||||||
From: Shradha Gupta <shradhagupta@linux.microsoft.com>
|
|
||||||
Date: Mon, 9 Oct 2023 03:38:40 -0700
|
|
||||||
Subject: [PATCH 1/4] hv/hv_kvp_daemon:Support for keyfile based connection
|
|
||||||
profile
|
|
||||||
|
|
||||||
RH-Author: Ani Sinha <anisinha@redhat.com>
|
|
||||||
RH-MergeRequest: 8: hv/hv_kvp_daemon:Support for keyfile based connection profile
|
|
||||||
RH-Jira: RHEL-9902
|
|
||||||
RH-Acked-by: Cathy Avery <cavery@redhat.com>
|
|
||||||
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
||||||
RH-Commit: [1/4] 0cb079b0cc30bef47bddd193e262dfa52b7f2874 (anisinha/centos-hyperv-daemons)
|
|
||||||
|
|
||||||
Ifcfg config file support in NetworkManger is deprecated. This patch
|
|
||||||
provides support for the new keyfile config format for connection
|
|
||||||
profiles in NetworkManager. The patch modifies the hv_kvp_daemon code
|
|
||||||
to generate the new network configuration in keyfile
|
|
||||||
format(.ini-style format) along with a ifcfg format configuration.
|
|
||||||
The ifcfg format configuration is also retained to support easy
|
|
||||||
backward compatibility for distro vendors. These configurations are
|
|
||||||
stored in temp files which are further translated using the
|
|
||||||
hv_set_ifconfig.sh script. This script is implemented by individual
|
|
||||||
distros based on the network management commands supported.
|
|
||||||
For example, RHEL's implementation could be found here:
|
|
||||||
https://gitlab.com/redhat/centos-stream/src/hyperv-daemons/-/blob/c9s/hv_set_ifconfig.sh
|
|
||||||
Debian's implementation could be found here:
|
|
||||||
https://github.com/endlessm/linux/blob/master/debian/cloud-tools/hv_set_ifconfig
|
|
||||||
|
|
||||||
The next part of this support is to let the Distro vendors consume
|
|
||||||
these modified implementations to the new configuration format.
|
|
||||||
|
|
||||||
Cherry-picked from upstream linux
|
|
||||||
kernel commit 42999c904612 ("hv/hv_kvp_daemon:Support for keyfile based connection profile")
|
|
||||||
Tested-on: Rhel9(Hyper-V, Azure)(nm and ifcfg files verified)
|
|
||||||
Signed-off-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
|
|
||||||
Reviewed-by: Saurabh Sengar <ssengar@linux.microsoft.com>
|
|
||||||
Reviewed-by: Ani Sinha <anisinha@redhat.com>
|
|
||||||
Signed-off-by: Wei Liu <wei.liu@kernel.org>
|
|
||||||
Link: https://lore.kernel.org/r/1696847920-31125-1-git-send-email-shradhagupta@linux.microsoft.com
|
|
||||||
---
|
|
||||||
hv_kvp_daemon.c | 233 +++++++++++++++++++++++++++++++++++++++------
|
|
||||||
hv_set_ifconfig.sh | 30 +++++-
|
|
||||||
2 files changed, 230 insertions(+), 33 deletions(-)
|
|
||||||
|
|
||||||
diff --git a/hv_kvp_daemon.c b/hv_kvp_daemon.c
|
|
||||||
index 2ad9af3..d50b4e8 100644
|
|
||||||
--- a/hv_kvp_daemon.c
|
|
||||||
+++ b/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/hv_set_ifconfig.sh b/hv_set_ifconfig.sh
|
|
||||||
index fe7fccf..35aae6f 100644
|
|
||||||
--- a/hv_set_ifconfig.sh
|
|
||||||
+++ b/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
|
|
||||||
--
|
|
||||||
2.39.3
|
|
||||||
|
|
Loading…
Reference in new issue