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Interfaces and small change to ifconfig_t

PATCH New Sven Vermeulen 2 participants 5 messages Oct 19, 2012 – Oct 30, 2012

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Sven Vermeulen

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#0 lore raw

cover Interfaces and small change to ifconfig_t

This set is to support changes on the contrib module (which will be sent out later), mainly introducing two interfaces needed by fail2ban-client (fail2ban module) and adding the sys_admin capability to ifconfig_t for flushing routing cache.

Sven Vermeulen (3):
Introduce logging_getattr_all_logs interface
Introduce logging_search_all_log_dirs interface
Support flushing routing cache

 policy/modules/system/logging.if    |   39 ++++++++++++++++++++++++++++++++++-
 policy/modules/system/sysnetwork.te |    2 +-
 2 files changed, 39 insertions(+), 2 deletions(-)
Signature · 1 line
1.7.8.6
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#1 lore raw

PATCH 1/3 Introduce logging_getattr_all_logs interface

Support the logging_getattr_all_logs interface, which will be used by applications responsible for reviewing the state of log files (without needing to read them), such as the fail2ban-client application.

Signed-off-by Sven Vermeulen <[email protected]>
---
 policy/modules/system/logging.if |   20 +++++++++++++++++++-
 1 files changed, 19 insertions(+), 1 deletions(-)
policy/modules/system/logging.if +19 -1
index 321bb13..be20dca 100644
@@ -705,7 +705,7 @@ interface(`logging_setattr_all_log_dirs',`
 
 ########################################
 ## <summary>
-##	Do not audit attempts to get the atttributes
+##	Do not audit attempts to get the attributes
 ##	of any log files.
 ## </summary>
 ## <param name="domain">

@@ -724,6 +724,24 @@ interface(`logging_dontaudit_getattr_all_logs',`
 
 ########################################
 ## <summary>
+##	Read the atttributes of any log file
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access
+##	</summary>
+## </param>
+#
+interface(`logging_getattr_all_logs',`
+	gen_require(`
+		attribute logfile;
+	')
+
+	allow $1 logfile:file getattr;
+')
+
+########################################
+## <summary>
 ##	Append to all log files.
 ## </summary>
 ## <param name="domain">
Signature · 1 line
1.7.8.6
author
#2 lore raw

PATCH 2/3 Introduce logging_search_all_log_dirs interface

In reply to Sven Vermeulen

Support the logging_search_all_log_dirs interface for applications such as fail2ban-client, who scan through log directories.

Signed-off-by Sven Vermeulen <[email protected]>
---
 policy/modules/system/logging.if |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)
policy/modules/system/logging.if +19 -0
index be20dca..6957993 100644
@@ -686,6 +686,25 @@ interface(`logging_rw_generic_log_dirs',`
 
 #######################################
 ## <summary>
+##	Search through all log dirs.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+## <rolecap/>
+#
+interface(`logging_search_all_log_dirs',`
+	gen_require(`
+		attribute logfile;
+	')
+
+	allow $1 logfile:dir search_dir_perms;
+')
+
+#######################################
+## <summary>
 ##	Set attributes on all log dirs.
 ## </summary>
 ## <param name="domain">
Signature · 1 line
1.7.8.6
author
#3 lore raw

PATCH 3/3 Support flushing routing cache

In reply to Sven Vermeulen

To flush the routing cache, ifconfig_t (through the "ip" command) requires sys_admin capability. If not:

~# ip route flush cache
Cannot flush routing cache

Signed-off-by Sven Vermeulen <[email protected]>
---
 policy/modules/system/sysnetwork.te |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
policy/modules/system/sysnetwork.te +1 -1
index d11e7c5..b2bf762 100644
@@ -243,7 +243,7 @@ optional_policy(`
 # Ifconfig local policy
 #
 
-allow ifconfig_t self:capability { net_raw net_admin sys_tty_config };
+allow ifconfig_t self:capability { net_raw net_admin sys_admin sys_tty_config };
 allow ifconfig_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execheap execstack };
 allow ifconfig_t self:fd use;
 allow ifconfig_t self:fifo_file rw_fifo_file_perms;
Signature · 1 line
1.7.8.6
#4 lore raw

cover Interfaces and small change to ifconfig_t

In reply to Sven Vermeulen
Quoted 5 lines · Sven Vermeulen

This set is to support changes on the contrib module (which will be sent out later), mainly introducing two interfaces needed by fail2ban-client (fail2ban module) and adding the sys_admin capability to ifconfig_t for flushing routing cache.

Quoted 8 lines

Sven Vermeulen (3):
Introduce logging_getattr_all_logs interface
Introduce logging_search_all_log_dirs interface
Support flushing routing cache

 policy/modules/system/logging.if    |   39 ++++++++++++++++++++++++++++++++++-
 policy/modules/system/sysnetwork.te |    2 +-
 2 files changed, 39 insertions(+), 2 deletions(-)

This set merged. I renamed the second interface.

Signature · 3 lines
Chris PeBenito
Tresys Technology, LLC
www.tresys.com | oss.tresys.com