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author | Christian Poessinger <christian@poessinger.com> | 2019-10-27 00:47:50 +0200 |
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committer | Christian Poessinger <christian@poessinger.com> | 2019-10-27 23:58:32 +0100 |
commit | 4a077bd3f8e12eb7550f7f9bce1394646eb13a25 (patch) | |
tree | cf58f311e26e82567c7200a21385dd0dd690978e /src/conf_mode/snmp.py | |
parent | 1887d3a78ce9e6b040eb3ac1300069aca38ca0f6 (diff) | |
download | vyos-1x-4a077bd3f8e12eb7550f7f9bce1394646eb13a25.tar.gz vyos-1x-4a077bd3f8e12eb7550f7f9bce1394646eb13a25.zip |
snmp: T818: T1738: remove per user/trap engine id
As of the SNMP specification an SNMP engine ID should be unique per device.
To not make it more complicated for users - only use the global SNMP engine ID.
(cherry picked from commit d523111279b3a9a5266b442db5f04049a31685f7)
Diffstat (limited to 'src/conf_mode/snmp.py')
-rwxr-xr-x | src/conf_mode/snmp.py | 42 |
1 files changed, 2 insertions, 40 deletions
diff --git a/src/conf_mode/snmp.py b/src/conf_mode/snmp.py index 06d2e253a..e992804af 100755 --- a/src/conf_mode/snmp.py +++ b/src/conf_mode/snmp.py @@ -78,7 +78,7 @@ createUser {{ u.name }} {%- elif u.authPassword %} createUser {{ u.name }} {{ u.authProtocol | upper }} "{{ u.authPassword }}" {{ u.privProtocol | upper }} {{ u.privPassword }} {%- else %} -usmUser 1 3 {{ u.engineID }} "{{ u.name }}" "{{ u.name }}" NULL {{ u.authOID }} {{ u.authMasterKey }} {{ u.privOID }} {{ u.privMasterKey }} 0x +usmUser 1 3 {{ v3_engineid }} "{{ u.name }}" "{{ u.name }}" NULL {{ u.authOID }} {{ u.authMasterKey }} {{ u.privOID }} {{ u.privMasterKey }} 0x {%- endif %} {%- endfor %} @@ -197,7 +197,7 @@ access {{ g.name }} "" tsm {{ g.seclevel }} exact {{ g.view }} {% if g.mode == ' # trap-target {%- for t in v3_traps %} -trapsess -v 3 {{ '-Ci' if t.type == 'inform' }} -e {{ t.engineID }} -u {{ t.secName }} -l {{ t.secLevel }} -a {{ t.authProtocol }} {% if t.authPassword %}-A {{ t.authPassword }}{% elif t.authMasterKey %}-3m {{ t.authMasterKey }}{% endif %} -x {{ t.privProtocol }} {% if t.privPassword %}-X {{ t.privPassword }}{% elif t.privMasterKey %}-3M {{ t.privMasterKey }}{% endif %} {{ t.ipProto }}:{{ t.ipAddr }}:{{ t.ipPort }} +trapsess -v 3 {{ '-Ci' if t.type == 'inform' }} -e {{ v3_engineid }} -u {{ t.secName }} -l {{ t.secLevel }} -a {{ t.authProtocol }} {% if t.authPassword %}-A {{ t.authPassword }}{% elif t.authMasterKey %}-3m {{ t.authMasterKey }}{% endif %} -x {{ t.privProtocol }} {% if t.privPassword %}-X {{ t.privPassword }}{% elif t.privMasterKey %}-3M {{ t.privMasterKey }}{% endif %} {{ t.ipProto }}:{{ t.ipAddr }}:{{ t.ipPort }} {%- endfor %} # group @@ -359,15 +359,11 @@ def get_config(): else: snmp['v3_enabled'] = True - # # 'set service snmp v3 engineid' - # if conf.exists('v3 engineid'): snmp['v3_engineid'] = conf.return_value('v3 engineid') - # # 'set service snmp v3 group' - # if conf.exists('v3 group'): for group in conf.list_nodes('v3 group'): v3_group = { @@ -388,14 +384,11 @@ def get_config(): snmp['v3_groups'].append(v3_group) - # # 'set service snmp v3 trap-target' - # if conf.exists('v3 trap-target'): for trap in conf.list_nodes('v3 trap-target'): trap_cfg = { 'ipAddr': trap, - 'engineID': '', 'secName': '', 'authProtocol': 'md5', 'authPassword': '', @@ -409,11 +402,6 @@ def get_config(): 'secLevel': 'noAuthNoPriv' } - if conf.exists('v3 trap-target {0} engineid'.format(trap)): - # Set the context engineID used for SNMPv3 REQUEST messages scopedPdu. - # If not specified, this will default to the authoritative engineID. - trap_cfg['engineID'] = conf.return_value('v3 trap-target {0} engineid'.format(trap)) - if conf.exists('v3 trap-target {0} user'.format(trap)): # Set the securityName used for authenticated SNMPv3 messages. trap_cfg['secName'] = conf.return_value('v3 trap-target {0} user'.format(trap)) @@ -488,7 +476,6 @@ def get_config(): 'authPassword': '', 'authProtocol': 'md5', 'authOID': 'none', - 'engineID': '', 'group': '', 'mode': 'ro', 'privMasterKey': '', @@ -498,9 +485,7 @@ def get_config(): 'privProtocol': 'des' } - # # v3 user {0} auth - # if conf.exists('v3 user {0} auth encrypted-key'.format(user)): user_cfg['authMasterKey'] = conf.return_value('v3 user {0} auth encrypted-key'.format(user)) @@ -516,27 +501,15 @@ def get_config(): user_cfg['authProtocol'] = type user_cfg['authOID'] = OIDs[type] - # - # v3 user {0} engineid - # - if conf.exists('v3 user {0} engineid'.format(user)): - user_cfg['engineID'] = conf.return_value('v3 user {0} engineid'.format(user)) - - # # v3 user {0} group - # if conf.exists('v3 user {0} group'.format(user)): user_cfg['group'] = conf.return_value('v3 user {0} group'.format(user)) - # # v3 user {0} mode - # if conf.exists('v3 user {0} mode'.format(user)): user_cfg['mode'] = conf.return_value('v3 user {0} mode'.format(user)) - # # v3 user {0} privacy - # if conf.exists('v3 user {0} privacy encrypted-key'.format(user)): user_cfg['privMasterKey'] = conf.return_value('v3 user {0} privacy encrypted-key'.format(user)) @@ -660,13 +633,6 @@ def verify(snmp): if not 'privPassword' and 'privMasterKey' in trap.keys(): raise ConfigError('v3 trap: "user" must be specified') - if 'type' in trap.keys(): - if trap['type'] == 'trap' and trap['engineID'] == '': - raise ConfigError('must specify engineid if type is "trap"') - else: - raise ConfigError('"type" must be specified') - - if 'v3_users' in snmp.keys(): for user in snmp['v3_users']: # @@ -698,9 +664,6 @@ def verify(snmp): if user['privPassword'] == '' and user['privMasterKey'] == '': raise ConfigError('Must specify encrypted-key or plaintext-key for user privacy') - if user['privMasterKey'] and user['engineID'] == '': - raise ConfigError('Can not have "encrypted-key" without engineid') - if user['authPassword'] == '' and user['authMasterKey'] == '' and user['privTsmKey'] == '': raise ConfigError('Must specify auth or tsm-key for user auth') @@ -835,7 +798,6 @@ def apply(snmp): # Now update the running configuration # # Currently when executing os.system() the environment does not have the vyos_libexec_dir variable set, see T685 - os.system('vyos_libexec_dir=/usr/libexec/vyos /opt/vyatta/sbin/my_set service snmp v3 user "{0}" engineid {1} > /dev/null'.format(cfg['user'], engineID)) os.system('vyos_libexec_dir=/usr/libexec/vyos /opt/vyatta/sbin/my_set service snmp v3 user "{0}" auth encrypted-key {1} > /dev/null'.format(cfg['user'], cfg['auth_pw'])) os.system('vyos_libexec_dir=/usr/libexec/vyos /opt/vyatta/sbin/my_set service snmp v3 user "{0}" privacy encrypted-key {1} > /dev/null'.format(cfg['user'], cfg['priv_pw'])) os.system('vyos_libexec_dir=/usr/libexec/vyos /opt/vyatta/sbin/my_delete service snmp v3 user "{0}" auth plaintext-key > /dev/null'.format(cfg['user'])) |