d9f6251b10
add man page, minor fixes to the function
1471 lines
43 KiB
Diff
1471 lines
43 KiB
Diff
diff --git a/libselinux/include/selinux/label.h b/libselinux/include/selinux/label.h
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index 1a54307..9ef10fc 100644
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--- a/libselinux/include/selinux/label.h
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+++ b/libselinux/include/selinux/label.h
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@@ -31,6 +31,8 @@ struct selabel_handle;
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#define SELABEL_CTX_X 2
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/* db objects */
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#define SELABEL_CTX_DB 3
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+/* Android property service contexts */
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+#define SELABEL_CTX_ANDROID_PROP 4
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/*
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* Available options
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@@ -46,8 +48,10 @@ struct selabel_handle;
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#define SELABEL_OPT_PATH 3
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/* select a subset of the search space as an optimization (file backend) */
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#define SELABEL_OPT_SUBSET 4
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+/* like subset, but an array of subsets */
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+#define SELABEL_OPT_PREFIXES 5
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/* total number of options */
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-#define SELABEL_NOPT 5
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+#define SELABEL_NOPT 6
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/*
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* Label operations
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diff --git a/libselinux/include/selinux/selinux.h b/libselinux/include/selinux/selinux.h
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index 6f483c9..2316252 100644
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--- a/libselinux/include/selinux/selinux.h
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+++ b/libselinux/include/selinux/selinux.h
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@@ -139,7 +139,10 @@ struct av_decision {
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/* Structure for passing options, used by AVC and label subsystems */
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struct selinux_opt {
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int type;
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- const char *value;
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+ union {
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+ const char *value;
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+ const char **values;
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+ };
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};
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/* Callback facilities */
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@@ -420,6 +423,11 @@ extern int matchpathcon_init(const char *path);
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regexes that have stems that are prefixes of 'prefix'. */
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extern int matchpathcon_init_prefix(const char *path, const char *prefix);
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+/* Same as matchpathcon_init, but only load entries with
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+ * regexes that have stems that are prefixes of the 'prefixes'
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+ * array of entries. The last entry must be NULL. */
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+extern int matchpathcon_init_prefixes(const char *patch, const char **prefixes);
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+
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/* Free the memory allocated by matchpathcon_init. */
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extern void matchpathcon_fini(void);
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@@ -473,6 +481,14 @@ extern int matchmediacon(const char *media, security_context_t * con);
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extern int selinux_getenforcemode(int *enforce);
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/*
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+ selinux_boolean_sub reads the /etc/selinux/TYPE/booleans.subs_dist file
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+ looking for a record with boolean_name. If a record exists selinux_boolean_sub
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+ returns the translated name otherwise it returns the original name.
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+ The returned value needs to be freed. On failure NULL will be returned.
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+ */
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+extern char *selinux_boolean_sub(const char *boolean_name);
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+
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+/*
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selinux_getpolicytype reads the /etc/selinux/config file and determines
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what the default policy for the machine is. Calling application must
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free policytype.
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@@ -488,6 +504,7 @@ extern const char *selinux_policy_root(void);
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/* These functions return the paths to specific files under the
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policy root directory. */
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+extern const char *selinux_current_policy_path(void);
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extern const char *selinux_binary_policy_path(void);
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extern const char *selinux_failsafe_context_path(void);
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extern const char *selinux_removable_context_path(void);
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@@ -502,10 +519,12 @@ extern const char *selinux_homedir_context_path(void);
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extern const char *selinux_media_context_path(void);
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extern const char *selinux_virtual_domain_context_path(void);
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extern const char *selinux_virtual_image_context_path(void);
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+extern const char *selinux_lxc_contexts_path(void);
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extern const char *selinux_x_context_path(void);
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extern const char *selinux_sepgsql_context_path(void);
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extern const char *selinux_contexts_path(void);
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extern const char *selinux_securetty_types_path(void);
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+extern const char *selinux_booleans_subs_path(void);
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extern const char *selinux_booleans_path(void);
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extern const char *selinux_customizable_types_path(void);
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extern const char *selinux_users_path(void);
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diff --git a/libselinux/man/man3/matchpathcon.3 b/libselinux/man/man3/matchpathcon.3
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index cdbb252..b6814ed 100644
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--- a/libselinux/man/man3/matchpathcon.3
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+++ b/libselinux/man/man3/matchpathcon.3
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@@ -8,7 +8,9 @@ matchpathcon, matchpathcon_index \- get the default SELinux security context for
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.BI "int matchpathcon_init(const char *" path ");"
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-.BI "int matchpathcon_init_prefix(const char *" path ", const char *" subset ");"
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+.BI "int matchpathcon_init_prefix(const char *" path ", const char *" prefix ");"
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+
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+.BI "int matchpathcon_init_prefixes(const char *" path ", const char **" prefixes ");"
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.BI "int matchpathcon_fini(void);"
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.sp
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@@ -50,6 +52,14 @@ by
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.I prefix.
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.sp
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+.B matchpathcon_init_prefixes
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+is the same as
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+.B matchpathcon_init_prefix
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+but takes an array of
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+.I prefixes
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+instead of a single prefix. The last entry in the array must be NULL.
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+
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+.sp
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.B matchpathcon_fini
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frees the memory allocated by a prior call to
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.B matchpathcon_init.
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diff --git a/libselinux/man/man3/selabel_open.3 b/libselinux/man/man3/selabel_open.3
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index 8674e37..fc5b120 100644
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--- a/libselinux/man/man3/selabel_open.3
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+++ b/libselinux/man/man3/selabel_open.3
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@@ -37,8 +37,11 @@ structures of length
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.ta 4n 16n 24n
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.nf
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struct selinux_opt {
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- int type;
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- const char *value;
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+ int type;
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+ union {
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+ const char *value;
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+ const char **values;
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+ };
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};
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.fi
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.ta
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@@ -66,6 +69,13 @@ A non-null value for this option enables context validation. By default,
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is used; a custom validation function can be provided via
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.BR selinux_set_callback (3).
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Note that an invalid context may not be treated as an error unless it is actually encountered during a lookup operation.
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+.TP
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+.B SELABEL_OPT_SUBSET
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+A ":" separates string of path prefixes that tell the system to only loads entries with regular expressions that could match this strings. For example "/dev:/var/run:/tmp". This option can cause the system to use less memory and work faster, but you should only use paths that begin with a prefix.
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+.TP
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+.B SELABEL_OPT_PATH
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+A string representing an alternate path the the regular expressions.
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+.sp
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.SH "BACKENDS"
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@@ -99,4 +109,3 @@ Eamon Walsh <ewalsh@tycho.nsa.gov>
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.BR selabel_stats (3),
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.BR selinux_set_callback (3),
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.BR selinux (8)
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-
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diff --git a/libselinux/man/man3/selinux_binary_policy_path.3 b/libselinux/man/man3/selinux_binary_policy_path.3
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index 8ead1a4..c68ace5 100644
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--- a/libselinux/man/man3/selinux_binary_policy_path.3
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+++ b/libselinux/man/man3/selinux_binary_policy_path.3
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@@ -17,6 +17,8 @@ extern const char *selinux_policy_root(void);
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extern const char *selinux_binary_policy_path(void);
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+extern const char *selinux_current_policy_path(void);
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+
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extern const char *selinux_failsafe_context_path(void);
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extern const char *selinux_removable_context_path(void);
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@@ -52,7 +54,9 @@ selinux_path() - top-level SELinux configuration directory
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.sp
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selinux_policy_root() - top-level policy directory
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.sp
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-selinux_binary_policy_path() - binary policy file loaded into kernel
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+selinux_current_policy_path() - binary policy file loaded into kernel
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+.sp
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+selinux_binary_policy_path() - binary policy path on disk
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.sp
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selinux_default_type_path - context file mapping roles to default types.
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.sp
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diff --git a/libselinux/man/man3/selinux_boolean_sub.3 b/libselinux/man/man3/selinux_boolean_sub.3
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new file mode 100644
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index 0000000..02d3ce2
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--- /dev/null
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+++ b/libselinux/man/man3/selinux_boolean_sub.3
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@@ -0,0 +1,25 @@
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+.TH "selinux_boolean_subs" "3" "22 January 2011" "kaigai@ak.jp.nec.com" "SELinux API documentation"
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+.SH "NAME"
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+selinux_boolean_subs
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+.SH "SYNOPSIS"
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+.B #include <selinux/selinux.h>
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+.sp
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+.BI "char *selinux_boolean_subs(const char * " boolean_name, ");"
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+.sp
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+.SH "DESCRIPTION"
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+.B selinux_boolean_sub
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+searches the /etc/selinux/POLICYTYPE/booleans.subs_dist file
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+for a maching boolean_name record. If the record exists the boolean substitution name is returned. If not
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+.B selinux_boolean_sub
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+returns the original boolean_name.
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+
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+.SH "RETURN VALUE"
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+.BR selinux_boolean_subs
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+returns the
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+.I boolean_name
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+or the substituted name on success. The returned value must be freed with
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+.BR free "(3)."
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+.BR selinux_boolean_subs
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+returns NULL on error.
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+.SH "SEE ALSO"
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+security_get_boolean_names.3
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diff --git a/libselinux/src/.gitignore b/libselinux/src/.gitignore
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index ff0c7c2..4dcc3b3 100644
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--- a/libselinux/src/.gitignore
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+++ b/libselinux/src/.gitignore
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@@ -1,3 +1,4 @@
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selinux.py
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selinuxswig_wrap.c
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selinuxswig_python_exception.i
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+selinuxswig_ruby_wrap.c
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diff --git a/libselinux/src/Makefile b/libselinux/src/Makefile
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index d84033e..74e53bb 100644
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--- a/libselinux/src/Makefile
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+++ b/libselinux/src/Makefile
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@@ -3,6 +3,8 @@
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# targets with "PYPREFIX":
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PYTHON ?= python
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PYPREFIX ?= $(notdir $(PYTHON))
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+RUBY ?= ruby
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+RUBYPREFIX ?= $(notdir $(RUBY))
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# Installation directories.
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PREFIX ?= $(DESTDIR)/usr
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@@ -11,11 +13,10 @@ SHLIBDIR ?= $(DESTDIR)/lib
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INCLUDEDIR ?= $(PREFIX)/include
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PYLIBVER ?= $(shell $(PYTHON) -c 'import sys;print("python%d.%d" % sys.version_info[0:2])')
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PYINC ?= $(shell pkg-config --cflags $(PYPREFIX))
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-PYTHONLIBDIR ?= $(shell pkg-config --libs $(PYPREFIX))
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PYLIBDIR ?= $(LIBDIR)/$(PYLIBVER)
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-RUBYLIBVER ?= $(shell ruby -e 'print RUBY_VERSION.split(".")[0..1].join(".")')
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-RUBYPLATFORM ?= $(shell ruby -e 'print RUBY_PLATFORM')
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-RUBYINC ?= -I$(LIBDIR)/ruby/$(RUBYLIBVER)/$(RUBYPLATFORM)
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+RUBYLIBVER ?= $(shell $(RUBY) -e 'print RUBY_VERSION.split(".")[0..1].join(".")')
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+RUBYPLATFORM ?= $(shell $(RUBY) -e 'print RUBY_PLATFORM')
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+RUBYINC ?= $(shell pkg-config --cflags ruby-$(RUBYLIBVER))
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RUBYINSTALL ?= $(LIBDIR)/ruby/site_ruby/$(RUBYLIBVER)/$(RUBYPLATFORM)
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LIBBASE=$(shell basename $(LIBDIR))
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@@ -33,7 +34,7 @@ SWIGLOBJ:= $(patsubst %.c,$(PYPREFIX)%.lo,$(SWIGCOUT))
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SWIGRUBYLOBJ:= $(patsubst %.c,%.lo,$(SWIGRUBYCOUT))
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SWIGSO=$(PYPREFIX)_selinux.so
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SWIGFILES=$(SWIGSO) selinux.py
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-SWIGRUBYSO=_rubyselinux.so
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+SWIGRUBYSO=$(RUBYPREFIX)_selinux.so
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LIBSO=$(TARGET).$(LIBVERSION)
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AUDIT2WHYLOBJ=$(PYPREFIX)audit2why.lo
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AUDIT2WHYSO=$(PYPREFIX)audit2why.so
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@@ -55,7 +56,7 @@ MAX_STACK_SIZE=32768
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OBJS= $(patsubst %.c,%.o,$(SRCS))
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LOBJS= $(patsubst %.c,%.lo,$(SRCS))
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-CFLAGS ?= -Wall -W -Wundef -Wformat-y2k -Wformat-security -Winit-self -Wmissing-include-dirs \
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+CFLAGS ?= -O -Wall -W -Wundef -Wformat-y2k -Wformat-security -Winit-self -Wmissing-include-dirs \
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-Wunused -Wunknown-pragmas -Wstrict-aliasing -Wshadow -Wpointer-arith \
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-Wbad-function-cast -Wcast-align -Wwrite-strings -Wlogical-op -Waggregate-return \
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-Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes \
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@@ -75,6 +76,10 @@ CFLAGS ?= -Wall -W -Wundef -Wformat-y2k -Wformat-security -Winit-self -Wmissing-
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-Werror -Wno-aggregate-return -Wno-redundant-decls
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override CFLAGS += -I../include -I$(INCLUDEDIR) -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 $(EMFLAGS)
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+
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+SWIG_CFLAGS += -Wno-error -Wno-unused-variable -Wno-unused-but-set-variable -Wno-unused-parameter \
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+ -Wno-shadow -Wno-uninitialized -Wno-missing-prototypes -Wno-missing-declarations
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+
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RANLIB=ranlib
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ARCH := $(patsubst i%86,i386,$(shell uname -m))
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@@ -93,16 +98,16 @@ pywrap: all $(SWIGSO) $(AUDIT2WHYSO)
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rubywrap: all $(SWIGRUBYSO)
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$(SWIGLOBJ): $(SWIGCOUT)
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- $(CC) $(filter-out -Werror, $(CFLAGS)) $(PYINC) -fPIC -DSHARED -c -o $@ $<
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+ $(CC) $(CFLAGS) $(SWIG_CFLAGS) $(PYINC) -fPIC -DSHARED -c -o $@ $<
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$(SWIGRUBYLOBJ): $(SWIGRUBYCOUT)
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- $(CC) $(filter-out -Werror, $(CFLAGS)) $(RUBYINC) -fPIC -DSHARED -c -o $@ $<
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+ $(CC) $(CFLAGS) $(SWIG_CFLAGS) $(RUBYINC) -fPIC -DSHARED -c -o $@ $<
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$(SWIGSO): $(SWIGLOBJ)
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- $(CC) $(CFLAGS) $(LDFLAGS) -shared -o $@ $< -L. -lselinux -L$(LIBDIR) $(PYTHONLIBDIR)
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+ $(CC) $(CFLAGS) $(LDFLAGS) -shared -o $@ $< -L. -lselinux -L$(LIBDIR)
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$(SWIGRUBYSO): $(SWIGRUBYLOBJ)
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- $(CC) $(CFLAGS) $(LDFLAGS) -shared -o $@ $^ -L. -lselinux -L$(LIBDIR) -Wl,-soname,$@
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+ $(CC) $(CFLAGS) $(LDFLAGS) -shared -o $@ $^ -L. -lselinux -L$(LIBDIR)
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$(LIBA): $(OBJS)
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$(AR) rcs $@ $^
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@@ -122,7 +127,7 @@ $(AUDIT2WHYLOBJ): audit2why.c
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$(CC) $(filter-out -Werror, $(CFLAGS)) $(PYINC) -fPIC -DSHARED -c -o $@ $<
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$(AUDIT2WHYSO): $(AUDIT2WHYLOBJ)
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- $(CC) $(CFLAGS) $(LDFLAGS) -shared -o $@ $^ -L. -lselinux $(LIBDIR)/libsepol.a -L$(LIBDIR) -Wl,-soname,$@
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+ $(CC) $(CFLAGS) $(LDFLAGS) -shared -o $@ $^ -L. -lselinux $(LIBDIR)/libsepol.a -L$(LIBDIR)
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%.o: %.c policy.h
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$(CC) $(CFLAGS) $(TLSFLAGS) -c -o $@ $<
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@@ -162,7 +167,7 @@ relabel:
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/sbin/restorecon $(SHLIBDIR)/$(LIBSO)
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clean:
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- -rm -f $(LIBPC) $(OBJS) $(LOBJS) $(LIBA) $(LIBSO) $(SWIGLOBJ) $(SWIGSO) $(TARGET) $(AUDIT2WHYSO) *.o *.lo *~
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+ -rm -f $(LIBPC) $(OBJS) $(LOBJS) $(LIBA) $(LIBSO) $(SWIGLOBJ) $(SWIGRUBYLOBJ) $(SWIGSO) $(TARGET) $(AUDIT2WHYSO) *.o *.lo *~
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distclean: clean
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rm -f $(GENERATED) $(SWIGFILES)
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diff --git a/libselinux/src/audit2why.c b/libselinux/src/audit2why.c
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index 1bf3599..f7750fc 100644
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--- a/libselinux/src/audit2why.c
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+++ b/libselinux/src/audit2why.c
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@@ -214,19 +214,12 @@ static int __policy_init(const char *init_path)
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PyErr_SetString( PyExc_ValueError, errormsg);
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return 1;
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}
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- snprintf(path, PATH_MAX, "%s.%d",
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- selinux_binary_policy_path(), vers);
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- fp = fopen(path, "r");
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- while (!fp && errno == ENOENT && --vers) {
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- snprintf(path, PATH_MAX, "%s.%d",
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- selinux_binary_policy_path(), vers);
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- fp = fopen(path, "r");
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- }
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+ fp = fopen(selinux_current_policy_path(), "r");
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if (!fp) {
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snprintf(errormsg, sizeof(errormsg),
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- "unable to open %s.%d: %s\n",
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- selinux_binary_policy_path(),
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- security_policyvers(), strerror(errno));
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+ "unable to open %s: %s\n",
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+ selinux_current_policy_path(),
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+ strerror(errno));
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PyErr_SetString( PyExc_ValueError, errormsg);
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return 1;
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}
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@@ -453,11 +446,11 @@ static struct PyModuleDef moduledef = {
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NULL
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};
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-PyMODINIT_FUNC
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-PyInit_audit2why(void)
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+PyMODINIT_FUNC PyInit_audit2why(void); /* silence -Wmissing-prototypes */
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+PyMODINIT_FUNC PyInit_audit2why(void)
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#else
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-PyMODINIT_FUNC
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-initaudit2why(void)
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+PyMODINIT_FUNC initaudit2why(void); /* silence -Wmissing-prototypes */
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+PyMODINIT_FUNC initaudit2why(void)
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#endif
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{
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PyObject *m;
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diff --git a/libselinux/src/avc.c b/libselinux/src/avc.c
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index 802a07f..6ff83a7 100644
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--- a/libselinux/src/avc.c
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+++ b/libselinux/src/avc.c
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@@ -827,6 +827,7 @@ int avc_has_perm(security_id_t ssid, security_id_t tsid,
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errsave = errno;
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avc_audit(ssid, tsid, tclass, requested, &avd, rc, auditdata);
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errno = errsave;
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+ if (!avc_enforcing) return 0;
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return rc;
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}
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diff --git a/libselinux/src/avc_internal.c b/libselinux/src/avc_internal.c
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index be4c0a3..a07aa7f 100644
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--- a/libselinux/src/avc_internal.c
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+++ b/libselinux/src/avc_internal.c
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@@ -101,7 +101,9 @@ static int avc_netlink_receive(char *buf, unsigned buflen, int blocking)
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socklen_t nladdrlen = sizeof nladdr;
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struct nlmsghdr *nlh = (struct nlmsghdr *)buf;
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- rc = poll(&pfd, 1, (blocking ? -1 : 0));
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+ do {
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+ rc = poll(&pfd, 1, (blocking ? -1 : 0));
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+ } while (rc < 0 && errno == EINTR);
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if (rc == 0 && !blocking) {
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errno = EWOULDBLOCK;
|
|
diff --git a/libselinux/src/booleans.c b/libselinux/src/booleans.c
|
|
index 1510043..cbd936f 100644
|
|
--- a/libselinux/src/booleans.c
|
|
+++ b/libselinux/src/booleans.c
|
|
@@ -5,6 +5,7 @@
|
|
* Dan Walsh <dwalsh@redhat.com> - Added security_load_booleans().
|
|
*/
|
|
|
|
+#include <assert.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
@@ -86,44 +87,145 @@ int security_get_boolean_names(char ***names, int *len)
|
|
}
|
|
|
|
hidden_def(security_get_boolean_names)
|
|
+
|
|
+char *selinux_boolean_sub(const char *name)
|
|
+{
|
|
+ char *sub = NULL;
|
|
+ char *line_buf = NULL;
|
|
+ size_t line_len;
|
|
+ FILE *cfg;
|
|
+
|
|
+ if (!name)
|
|
+ return NULL;
|
|
+
|
|
+ cfg = fopen(selinux_booleans_subs_path(), "r");
|
|
+ if (!cfg)
|
|
+ goto out;
|
|
+
|
|
+ while (getline(&line_buf, &line_len, cfg) > -1) {
|
|
+ char *ptr;
|
|
+ char *src = line_buf;
|
|
+ char *dst;
|
|
+ while (*src && isspace(*src))
|
|
+ src++;
|
|
+ if (!*src)
|
|
+ continue;
|
|
+ if (src[0] == '#')
|
|
+ continue;
|
|
+ ptr = src;
|
|
+ while (*ptr && !isspace(*ptr))
|
|
+ ptr++;
|
|
+ *ptr++ = '\0';
|
|
+ if (strcmp(src, name) != 0)
|
|
+ continue;
|
|
+
|
|
+ dst = ptr;
|
|
+ while (*dst && isspace(*dst))
|
|
+ dst++;
|
|
+ if (!*dst)
|
|
+ continue;
|
|
+ ptr=dst;
|
|
+ while (*ptr && !isspace(*ptr))
|
|
+ ptr++;
|
|
+ *ptr='\0';
|
|
+
|
|
+ sub = strdup(dst);
|
|
+
|
|
+ break;
|
|
+ }
|
|
+ free(line_buf);
|
|
+ fclose(cfg);
|
|
+out:
|
|
+ if (!sub)
|
|
+ sub = strdup(name);
|
|
+ return sub;
|
|
+}
|
|
+
|
|
+hidden_def(selinux_boolean_sub)
|
|
+
|
|
+static int bool_open(const char *name, int flag) {
|
|
+ char *fname = NULL;
|
|
+ char *alt_name = NULL;
|
|
+ int len;
|
|
+ int fd = -1;
|
|
+ int ret;
|
|
+ char *ptr;
|
|
+
|
|
+ if (!name) {
|
|
+ errno = EINVAL;
|
|
+ return -1;
|
|
+ }
|
|
+
|
|
+ /* note the 'sizeof' gets us enough room for the '\0' */
|
|
+ len = strlen(name) + strlen(selinux_mnt) + sizeof(SELINUX_BOOL_DIR);
|
|
+ fname = malloc(sizeof(char) * len);
|
|
+ if (!fname)
|
|
+ return -1;
|
|
+
|
|
+ ret = snprintf(fname, len, "%s%s%s", selinux_mnt, SELINUX_BOOL_DIR, name);
|
|
+ if (ret < 0)
|
|
+ goto out;
|
|
+ assert(ret < len);
|
|
+
|
|
+ fd = open(fname, flag);
|
|
+ if (fd >= 0 || errno != ENOENT)
|
|
+ goto out;
|
|
+
|
|
+ alt_name = selinux_boolean_sub(name);
|
|
+ if (!alt_name)
|
|
+ goto out;
|
|
+
|
|
+ /* note the 'sizeof' gets us enough room for the '\0' */
|
|
+ len = strlen(alt_name) + strlen(selinux_mnt) + sizeof(SELINUX_BOOL_DIR);
|
|
+ ptr = realloc(fname, len);
|
|
+ if (!ptr)
|
|
+ goto out;
|
|
+ fname = ptr;
|
|
+
|
|
+ ret = snprintf(fname, len, "%s%s%s", selinux_mnt, SELINUX_BOOL_DIR, alt_name);
|
|
+ if (ret < 0)
|
|
+ goto out;
|
|
+ assert(ret < len);
|
|
+
|
|
+ fd = open(fname, flag);
|
|
+out:
|
|
+ free(fname);
|
|
+ free(alt_name);
|
|
+
|
|
+ return fd;
|
|
+}
|
|
+
|
|
#define STRBUF_SIZE 3
|
|
static int get_bool_value(const char *name, char **buf)
|
|
{
|
|
int fd, len;
|
|
- char *fname = NULL;
|
|
+ int errno_tmp;
|
|
|
|
if (!selinux_mnt) {
|
|
errno = ENOENT;
|
|
return -1;
|
|
}
|
|
|
|
- *buf = (char *)malloc(sizeof(char) * (STRBUF_SIZE + 1));
|
|
+ *buf = malloc(sizeof(char) * (STRBUF_SIZE + 1));
|
|
if (!*buf)
|
|
- goto out;
|
|
- (*buf)[STRBUF_SIZE] = 0;
|
|
+ return -1;
|
|
|
|
- len = strlen(name) + strlen(selinux_mnt) + sizeof(SELINUX_BOOL_DIR);
|
|
- fname = (char *)malloc(sizeof(char) * len);
|
|
- if (!fname)
|
|
- goto out;
|
|
- snprintf(fname, len, "%s%s%s", selinux_mnt, SELINUX_BOOL_DIR, name);
|
|
+ (*buf)[STRBUF_SIZE] = 0;
|
|
|
|
- fd = open(fname, O_RDONLY);
|
|
+ fd = bool_open(name, O_RDONLY);
|
|
if (fd < 0)
|
|
- goto out;
|
|
+ goto out_err;
|
|
|
|
len = read(fd, *buf, STRBUF_SIZE);
|
|
+ errno_tmp = errno;
|
|
close(fd);
|
|
+ errno = errno_tmp;
|
|
if (len != STRBUF_SIZE)
|
|
- goto out;
|
|
+ goto out_err;
|
|
|
|
- free(fname);
|
|
return 0;
|
|
- out:
|
|
- if (*buf)
|
|
- free(*buf);
|
|
- if (fname)
|
|
- free(fname);
|
|
+out_err:
|
|
+ free(*buf);
|
|
return -1;
|
|
}
|
|
|
|
@@ -164,8 +266,8 @@ hidden_def(security_get_boolean_active)
|
|
|
|
int security_set_boolean(const char *name, int value)
|
|
{
|
|
- int fd, ret, len;
|
|
- char buf[2], *fname;
|
|
+ int fd, ret;
|
|
+ char buf[2];
|
|
|
|
if (!selinux_mnt) {
|
|
errno = ENOENT;
|
|
@@ -176,17 +278,9 @@ int security_set_boolean(const char *name, int value)
|
|
return -1;
|
|
}
|
|
|
|
- len = strlen(name) + strlen(selinux_mnt) + sizeof(SELINUX_BOOL_DIR);
|
|
- fname = (char *)malloc(sizeof(char) * len);
|
|
- if (!fname)
|
|
+ fd = bool_open(name, O_WRONLY);
|
|
+ if (fd < 0)
|
|
return -1;
|
|
- snprintf(fname, len, "%s%s%s", selinux_mnt, SELINUX_BOOL_DIR, name);
|
|
-
|
|
- fd = open(fname, O_WRONLY);
|
|
- if (fd < 0) {
|
|
- ret = -1;
|
|
- goto out;
|
|
- }
|
|
|
|
if (value)
|
|
buf[0] = '1';
|
|
@@ -196,8 +290,7 @@ int security_set_boolean(const char *name, int value)
|
|
|
|
ret = write(fd, buf, 2);
|
|
close(fd);
|
|
- out:
|
|
- free(fname);
|
|
+
|
|
if (ret > 0)
|
|
return 0;
|
|
else
|
|
diff --git a/libselinux/src/callbacks.c b/libselinux/src/callbacks.c
|
|
index b245364..7c47222 100644
|
|
--- a/libselinux/src/callbacks.c
|
|
+++ b/libselinux/src/callbacks.c
|
|
@@ -16,6 +16,7 @@ default_selinux_log(int type __attribute__((unused)), const char *fmt, ...)
|
|
{
|
|
int rc;
|
|
va_list ap;
|
|
+ if (is_selinux_enabled() == 0) return 0;
|
|
va_start(ap, fmt);
|
|
rc = vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
diff --git a/libselinux/src/file_path_suffixes.h b/libselinux/src/file_path_suffixes.h
|
|
index 0b00156..d11c8dc 100644
|
|
--- a/libselinux/src/file_path_suffixes.h
|
|
+++ b/libselinux/src/file_path_suffixes.h
|
|
@@ -22,6 +22,8 @@ S_(BINPOLICY, "/policy/policy")
|
|
S_(COLORS, "/secolor.conf")
|
|
S_(VIRTUAL_DOMAIN, "/contexts/virtual_domain_context")
|
|
S_(VIRTUAL_IMAGE, "/contexts/virtual_image_context")
|
|
+ S_(LXC_CONTEXTS, "/contexts/lxc_contexts")
|
|
S_(FILE_CONTEXT_SUBS, "/contexts/files/file_contexts.subs")
|
|
S_(FILE_CONTEXT_SUBS_DIST, "/contexts/files/file_contexts.subs_dist")
|
|
S_(SEPGSQL_CONTEXTS, "/contexts/sepgsql_contexts")
|
|
+ S_(BOOLEAN_SUBS, "/booleans.subs_dist")
|
|
diff --git a/libselinux/src/label.c b/libselinux/src/label.c
|
|
index a9e0853..11f6e96 100644
|
|
--- a/libselinux/src/label.c
|
|
+++ b/libselinux/src/label.c
|
|
@@ -24,6 +24,7 @@ static selabel_initfunc initfuncs[] = {
|
|
&selabel_media_init,
|
|
&selabel_x_init,
|
|
&selabel_db_init,
|
|
+ &selabel_property_init,
|
|
};
|
|
|
|
static void selabel_subs_fini(struct selabel_sub *ptr)
|
|
@@ -47,7 +48,8 @@ static char *selabel_sub(struct selabel_sub *ptr, const char *src)
|
|
if (strncmp(src, ptr->src, ptr->slen) == 0 ) {
|
|
if (src[ptr->slen] == '/' ||
|
|
src[ptr->slen] == 0) {
|
|
- asprintf(&dst, "%s%s", ptr->dst, &src[ptr->slen]);
|
|
+ if (asprintf(&dst, "%s%s", ptr->dst, &src[ptr->slen]) < 0)
|
|
+ return NULL;
|
|
return dst;
|
|
}
|
|
}
|
|
diff --git a/libselinux/src/label_android_property.c b/libselinux/src/label_android_property.c
|
|
new file mode 100644
|
|
index 0000000..79bf923
|
|
--- /dev/null
|
|
+++ b/libselinux/src/label_android_property.c
|
|
@@ -0,0 +1,293 @@
|
|
+/*
|
|
+ * Property Service contexts backend for labeling Android
|
|
+ * property keys
|
|
+ */
|
|
+
|
|
+#include <stdarg.h>
|
|
+#include <string.h>
|
|
+#include <ctype.h>
|
|
+#include <errno.h>
|
|
+#include <limits.h>
|
|
+#include <sys/types.h>
|
|
+#include <sys/stat.h>
|
|
+#include "callbacks.h"
|
|
+#include "label_internal.h"
|
|
+
|
|
+/* A property security context specification. */
|
|
+typedef struct spec {
|
|
+ struct selabel_lookup_rec lr; /* holds contexts for lookup result */
|
|
+ char *property_key; /* property key string */
|
|
+} spec_t;
|
|
+
|
|
+/* Our stored configuration */
|
|
+struct saved_data {
|
|
+ /*
|
|
+ * The array of specifications is sorted for longest
|
|
+ * prefix match
|
|
+ */
|
|
+ spec_t *spec_arr;
|
|
+ unsigned int nspec; /* total number of specifications */
|
|
+};
|
|
+
|
|
+static int cmp(const void *A, const void *B)
|
|
+{
|
|
+ const struct spec *sp1 = A, *sp2 = B;
|
|
+
|
|
+ if (strncmp(sp1->property_key, "*", 1) == 0)
|
|
+ return 1;
|
|
+ if (strncmp(sp2->property_key, "*", 1) == 0)
|
|
+ return -1;
|
|
+
|
|
+ size_t L1 = strlen(sp1->property_key);
|
|
+ size_t L2 = strlen(sp2->property_key);
|
|
+
|
|
+ return (L1 < L2) - (L1 > L2);
|
|
+}
|
|
+
|
|
+/*
|
|
+ * Warn about duplicate specifications.
|
|
+ */
|
|
+static int nodups_specs(struct saved_data *data, const char *path)
|
|
+{
|
|
+ int rc = 0;
|
|
+ unsigned int ii, jj;
|
|
+ struct spec *curr_spec, *spec_arr = data->spec_arr;
|
|
+
|
|
+ for (ii = 0; ii < data->nspec; ii++) {
|
|
+ curr_spec = &spec_arr[ii];
|
|
+ for (jj = ii + 1; jj < data->nspec; jj++) {
|
|
+ if (!strcmp(spec_arr[jj].property_key, curr_spec->property_key)) {
|
|
+ rc = -1;
|
|
+ errno = EINVAL;
|
|
+ if (strcmp(spec_arr[jj].lr.ctx_raw, curr_spec->lr.ctx_raw)) {
|
|
+ selinux_log(SELINUX_ERROR,
|
|
+ "%s: Multiple different specifications for %s (%s and %s).\n",
|
|
+ path,
|
|
+ curr_spec->property_key,
|
|
+ spec_arr[jj].lr.ctx_raw,
|
|
+ curr_spec->lr.ctx_raw);
|
|
+ } else {
|
|
+ selinux_log(SELINUX_ERROR,
|
|
+ "%s: Multiple same specifications for %s.\n",
|
|
+ path,
|
|
+ curr_spec->property_key);
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ return rc;
|
|
+}
|
|
+
|
|
+static int process_line(struct selabel_handle *rec,
|
|
+ const char *path, char *line_buf,
|
|
+ int pass, unsigned lineno)
|
|
+{
|
|
+ int items, len;
|
|
+ char buf1[BUFSIZ], buf2[BUFSIZ];
|
|
+ char *buf_p, *prop = buf1, *context = buf2;
|
|
+ struct saved_data *data = (struct saved_data *)rec->data;
|
|
+ spec_t *spec_arr = data->spec_arr;
|
|
+ unsigned int nspec = data->nspec;
|
|
+
|
|
+ len = strlen(line_buf);
|
|
+ if (line_buf[len - 1] == '\n')
|
|
+ line_buf[len - 1] = 0;
|
|
+ buf_p = line_buf;
|
|
+ while (isspace(*buf_p))
|
|
+ buf_p++;
|
|
+ /* Skip comment lines and empty lines. */
|
|
+ if (*buf_p == '#' || *buf_p == 0)
|
|
+ return 0;
|
|
+ items = sscanf(line_buf, "%255s %255s", prop, context);
|
|
+ if (items != 2) {
|
|
+ selinux_log(SELINUX_WARNING,
|
|
+ "%s: line %d is missing fields, skipping\n", path,
|
|
+ lineno);
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
+ if (pass == 1) {
|
|
+ /* On the second pass, process and store the specification in spec. */
|
|
+ spec_arr[nspec].property_key = strdup(prop);
|
|
+ if (!spec_arr[nspec].property_key) {
|
|
+ selinux_log(SELINUX_WARNING,
|
|
+ "%s: out of memory at line %d on prop %s\n",
|
|
+ path, lineno, prop);
|
|
+ return -1;
|
|
+
|
|
+ }
|
|
+
|
|
+ spec_arr[nspec].lr.ctx_raw = strdup(context);
|
|
+ if (!spec_arr[nspec].lr.ctx_raw) {
|
|
+ selinux_log(SELINUX_WARNING,
|
|
+ "%s: out of memory at line %d on context %s\n",
|
|
+ path, lineno, context);
|
|
+ return -1;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ data->nspec = ++nspec;
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int init(struct selabel_handle *rec, struct selinux_opt *opts,
|
|
+ unsigned n)
|
|
+{
|
|
+ struct saved_data *data = (struct saved_data *)rec->data;
|
|
+ const char *path = NULL;
|
|
+ FILE *fp;
|
|
+ char line_buf[BUFSIZ];
|
|
+ unsigned int lineno = 0, maxnspec, pass;
|
|
+ int status = -1;
|
|
+ struct stat sb;
|
|
+
|
|
+ /* Process arguments */
|
|
+ while (n--)
|
|
+ switch (opts[n].type) {
|
|
+ case SELABEL_OPT_PATH:
|
|
+ path = opts[n].value;
|
|
+ break;
|
|
+ default:
|
|
+ selinux_log(SELINUX_WARNING,
|
|
+ "Argument type (%d) not recognized. Skipping\n", opts[n].type);
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ /* Open the specification file. */
|
|
+ if ((fp = fopen(path, "r")) == NULL)
|
|
+ return -1;
|
|
+
|
|
+ if (fstat(fileno(fp), &sb) < 0)
|
|
+ return -1;
|
|
+ if (!S_ISREG(sb.st_mode)) {
|
|
+ errno = EINVAL;
|
|
+ return -1;
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Two passes of the specification file. First is to get the size.
|
|
+ * After the first pass, the spec array is malloced to the appropriate
|
|
+ * size. Second pass is to populate the spec array and check for
|
|
+ * dups.
|
|
+ */
|
|
+ maxnspec = UINT_MAX / sizeof(spec_t);
|
|
+ for (pass = 0; pass < 2; pass++) {
|
|
+ data->nspec = 0;
|
|
+
|
|
+ while (fgets(line_buf, sizeof line_buf - 1, fp)
|
|
+ && data->nspec < maxnspec) {
|
|
+ if (process_line(rec, path, line_buf, pass, ++lineno) != 0)
|
|
+ goto finish;
|
|
+ }
|
|
+
|
|
+ if (pass == 1) {
|
|
+ status = nodups_specs(data, path);
|
|
+
|
|
+ if (status)
|
|
+ goto finish;
|
|
+ }
|
|
+
|
|
+ if (pass == 0) {
|
|
+
|
|
+ if (data->nspec == 0) {
|
|
+ status = 0;
|
|
+ goto finish;
|
|
+ }
|
|
+
|
|
+ if (NULL == (data->spec_arr =
|
|
+ malloc(sizeof(spec_t) * data->nspec)))
|
|
+ goto finish;
|
|
+
|
|
+ memset(data->spec_arr, 0, sizeof(spec_t) * data->nspec);
|
|
+ maxnspec = data->nspec;
|
|
+ rewind(fp);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ qsort(data->spec_arr, data->nspec, sizeof(struct spec), cmp);
|
|
+
|
|
+ status = 0;
|
|
+finish:
|
|
+ fclose(fp);
|
|
+ return status;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * Backend interface routines
|
|
+ */
|
|
+static void closef(struct selabel_handle *rec)
|
|
+{
|
|
+ struct saved_data *data = (struct saved_data *)rec->data;
|
|
+ struct spec *spec;
|
|
+ unsigned int i;
|
|
+
|
|
+ for (i = 0; i < data->nspec; i++) {
|
|
+ spec = &data->spec_arr[i];
|
|
+ free(spec->property_key);
|
|
+ free(spec->lr.ctx_raw);
|
|
+ free(spec->lr.ctx_trans);
|
|
+ }
|
|
+
|
|
+ if (data->spec_arr)
|
|
+ free(data->spec_arr);
|
|
+
|
|
+ free(data);
|
|
+}
|
|
+
|
|
+static struct selabel_lookup_rec *lookup(struct selabel_handle *rec,
|
|
+ const char *key,
|
|
+ int __attribute__ ((unused)) type)
|
|
+{
|
|
+ struct saved_data *data = (struct saved_data *)rec->data;
|
|
+ spec_t *spec_arr = data->spec_arr;
|
|
+ unsigned int i;
|
|
+ struct selabel_lookup_rec *ret = NULL;
|
|
+
|
|
+ if (!data->nspec) {
|
|
+ errno = ENOENT;
|
|
+ goto finish;
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < data->nspec; i++) {
|
|
+ if (strncmp(spec_arr[i].property_key, key,
|
|
+ strlen(spec_arr[i].property_key)) == 0) {
|
|
+ break;
|
|
+ }
|
|
+ if (strncmp(spec_arr[i].property_key, "*", 1) == 0)
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ if (i >= data->nspec) {
|
|
+ /* No matching specification. */
|
|
+ errno = ENOENT;
|
|
+ goto finish;
|
|
+ }
|
|
+
|
|
+ ret = &spec_arr[i].lr;
|
|
+
|
|
+finish:
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static void stats(struct selabel_handle __attribute__ ((unused)) * rec)
|
|
+{
|
|
+ selinux_log(SELINUX_WARNING, "'stats' functionality not implemented.\n");
|
|
+}
|
|
+
|
|
+int selabel_property_init(struct selabel_handle *rec, struct selinux_opt *opts,
|
|
+ unsigned nopts)
|
|
+{
|
|
+ struct saved_data *data;
|
|
+
|
|
+ data = (struct saved_data *)malloc(sizeof(*data));
|
|
+ if (!data)
|
|
+ return -1;
|
|
+ memset(data, 0, sizeof(*data));
|
|
+
|
|
+ rec->data = data;
|
|
+ rec->func_close = &closef;
|
|
+ rec->func_stats = &stats;
|
|
+ rec->func_lookup = &lookup;
|
|
+
|
|
+ return init(rec, opts, nopts);
|
|
+}
|
|
diff --git a/libselinux/src/label_file.c b/libselinux/src/label_file.c
|
|
index 7bc46cc..82a608c 100644
|
|
--- a/libselinux/src/label_file.c
|
|
+++ b/libselinux/src/label_file.c
|
|
@@ -27,6 +27,7 @@
|
|
* Internals, mostly moved over from matchpathcon.c
|
|
*/
|
|
|
|
+#define MAX_PREFIX 100
|
|
/* A file security context specification. */
|
|
typedef struct spec {
|
|
struct selabel_lookup_rec lr; /* holds contexts for lookup result */
|
|
@@ -276,7 +277,7 @@ static int compile_regex(struct saved_data *data, spec_t *spec, char **errbuf)
|
|
|
|
|
|
static int process_line(struct selabel_handle *rec,
|
|
- const char *path, const char *prefix,
|
|
+ const char *path, const char **prefix_array,
|
|
char *line_buf, int pass, unsigned lineno)
|
|
{
|
|
int items, len;
|
|
@@ -310,12 +311,24 @@ static int process_line(struct selabel_handle *rec,
|
|
}
|
|
|
|
len = get_stem_from_spec(regex);
|
|
- if (len && prefix && strncmp(prefix, regex, len)) {
|
|
- /* Stem of regex does not match requested prefix, discard. */
|
|
- free(regex);
|
|
- free(type);
|
|
- free(context);
|
|
- return 0;
|
|
+ if (len && prefix_array[0]) {
|
|
+ int i = 0;
|
|
+ int found = 0;
|
|
+ while (i < MAX_PREFIX && prefix_array[i]) {
|
|
+ if (strncmp(prefix_array[i], regex, len) == 0) {
|
|
+ found = 1;
|
|
+ break;
|
|
+ }
|
|
+ i++;
|
|
+ }
|
|
+
|
|
+ if (! found) {
|
|
+ /* Stem of regex does not match requested prefix, discard. */
|
|
+ free(regex);
|
|
+ free(type);
|
|
+ free(context);
|
|
+ return 0;
|
|
+ }
|
|
}
|
|
|
|
if (pass == 1) {
|
|
@@ -397,7 +410,8 @@ static int init(struct selabel_handle *rec, struct selinux_opt *opts,
|
|
{
|
|
struct saved_data *data = (struct saved_data *)rec->data;
|
|
const char *path = NULL;
|
|
- const char *prefix = NULL;
|
|
+ const char *static_prefix_array[2] = {NULL, };
|
|
+ const char **prefix_array = static_prefix_array;
|
|
FILE *fp;
|
|
FILE *localfp = NULL;
|
|
FILE *homedirfp = NULL;
|
|
@@ -418,7 +432,10 @@ static int init(struct selabel_handle *rec, struct selinux_opt *opts,
|
|
path = opts[n].value;
|
|
break;
|
|
case SELABEL_OPT_SUBSET:
|
|
- prefix = opts[n].value;
|
|
+ static_prefix_array[0] = opts[n].value;
|
|
+ break;
|
|
+ case SELABEL_OPT_PREFIXES:
|
|
+ prefix_array = opts[n].values;
|
|
break;
|
|
case SELABEL_OPT_BASEONLY:
|
|
baseonly = !!opts[n].value;
|
|
@@ -481,7 +498,7 @@ static int init(struct selabel_handle *rec, struct selinux_opt *opts,
|
|
while (getline(&line_buf, &line_len, fp) > 0) {
|
|
if (data->nspec >= maxnspec)
|
|
break;
|
|
- status = process_line(rec, path, prefix, line_buf, pass, ++lineno);
|
|
+ status = process_line(rec, path, prefix_array, line_buf, pass, ++lineno);
|
|
if (status)
|
|
goto finish;
|
|
}
|
|
@@ -497,7 +514,7 @@ static int init(struct selabel_handle *rec, struct selinux_opt *opts,
|
|
while (getline(&line_buf, &line_len, homedirfp) > 0) {
|
|
if (data->nspec >= maxnspec)
|
|
break;
|
|
- status = process_line(rec, homedir_path, prefix, line_buf, pass, ++lineno);
|
|
+ status = process_line(rec, homedir_path, prefix_array, line_buf, pass, ++lineno);
|
|
if (status)
|
|
goto finish;
|
|
}
|
|
@@ -507,7 +524,7 @@ static int init(struct selabel_handle *rec, struct selinux_opt *opts,
|
|
while (getline(&line_buf, &line_len, localfp) > 0) {
|
|
if (data->nspec >= maxnspec)
|
|
break;
|
|
- status = process_line(rec, local_path, prefix, line_buf, pass, ++lineno);
|
|
+ status = process_line(rec, local_path, prefix_array, line_buf, pass, ++lineno);
|
|
if (status)
|
|
goto finish;
|
|
}
|
|
diff --git a/libselinux/src/label_internal.h b/libselinux/src/label_internal.h
|
|
index 79d5495..435ecf2 100644
|
|
--- a/libselinux/src/label_internal.h
|
|
+++ b/libselinux/src/label_internal.h
|
|
@@ -25,6 +25,8 @@ int selabel_x_init(struct selabel_handle *rec, struct selinux_opt *opts,
|
|
unsigned nopts) hidden;
|
|
int selabel_db_init(struct selabel_handle *rec,
|
|
struct selinux_opt *opts, unsigned nopts) hidden;
|
|
+int selabel_property_init(struct selabel_handle *rec,
|
|
+ struct selinux_opt *opts, unsigned nopts) hidden;
|
|
|
|
/*
|
|
* Labeling internal structures
|
|
diff --git a/libselinux/src/matchpathcon.c b/libselinux/src/matchpathcon.c
|
|
index 8f200d4..6457e4a 100644
|
|
--- a/libselinux/src/matchpathcon.c
|
|
+++ b/libselinux/src/matchpathcon.c
|
|
@@ -2,6 +2,7 @@
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
+#include <syslog.h>
|
|
#include "selinux_internal.h"
|
|
#include "label_internal.h"
|
|
#include "callbacks.h"
|
|
@@ -62,7 +63,7 @@ static void
|
|
{
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
- vfprintf(stderr, fmt, ap);
|
|
+ vsyslog(LOG_ERR, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
@@ -306,7 +307,7 @@ static void matchpathcon_init_once(void)
|
|
destructor_key_initialized = 1;
|
|
}
|
|
|
|
-int matchpathcon_init_prefix(const char *path, const char *subset)
|
|
+int matchpathcon_init_prefixes(const char *path, const char **prefixes)
|
|
{
|
|
if (!mycanoncon)
|
|
mycanoncon = default_canoncon;
|
|
@@ -314,15 +315,22 @@ int matchpathcon_init_prefix(const char *path, const char *subset)
|
|
__selinux_once(once, matchpathcon_init_once);
|
|
__selinux_setspecific(destructor_key, (void *)1);
|
|
|
|
- options[SELABEL_OPT_SUBSET].type = SELABEL_OPT_SUBSET;
|
|
- options[SELABEL_OPT_SUBSET].value = subset;
|
|
+ options[SELABEL_OPT_PREFIXES].type = SELABEL_OPT_PREFIXES;
|
|
+ options[SELABEL_OPT_PREFIXES].values = prefixes;
|
|
options[SELABEL_OPT_PATH].type = SELABEL_OPT_PATH;
|
|
options[SELABEL_OPT_PATH].value = path;
|
|
|
|
hnd = selabel_open(SELABEL_CTX_FILE, options, SELABEL_NOPT);
|
|
return hnd ? 0 : -1;
|
|
}
|
|
+hidden_def(matchpathcon_init_prefixes)
|
|
|
|
+int matchpathcon_init_prefix(const char *path, const char *prefix)
|
|
+{
|
|
+ const char *prefixes[2] = { prefix, NULL };
|
|
+
|
|
+ return matchpathcon_init_prefixes(path, prefixes);
|
|
+}
|
|
hidden_def(matchpathcon_init_prefix)
|
|
|
|
int matchpathcon_init(const char *path)
|
|
@@ -391,10 +399,13 @@ int realpath_not_final(const char *name, char *resolved_path)
|
|
goto out;
|
|
}
|
|
|
|
- resolved_path += len;
|
|
- strcpy(resolved_path, "/");
|
|
- resolved_path += 1;
|
|
- strcpy(resolved_path, last_component);
|
|
+ p = resolved_path;
|
|
+ p += len;
|
|
+ if (strcmp(resolved_path, "/") != 0) {
|
|
+ strcpy(p, "/");
|
|
+ p += 1;
|
|
+ }
|
|
+ strcpy(p, last_component);
|
|
out:
|
|
free(tmp_path);
|
|
return rc;
|
|
diff --git a/libselinux/src/selinux_config.c b/libselinux/src/selinux_config.c
|
|
index f42cb7c..f544ac2 100644
|
|
--- a/libselinux/src/selinux_config.c
|
|
+++ b/libselinux/src/selinux_config.c
|
|
@@ -9,6 +9,7 @@
|
|
#include <unistd.h>
|
|
#include <pthread.h>
|
|
#include "selinux_internal.h"
|
|
+#include "policy.h"
|
|
#include "get_default_type_internal.h"
|
|
|
|
#define SELINUXDIR "/etc/selinux/"
|
|
@@ -46,7 +47,9 @@
|
|
#define FILE_CONTEXT_SUBS 23
|
|
#define SEPGSQL_CONTEXTS 24
|
|
#define FILE_CONTEXT_SUBS_DIST 25
|
|
-#define NEL 26
|
|
+#define BOOLEAN_SUBS 26
|
|
+#define LXC_CONTEXTS 27
|
|
+#define NEL 28
|
|
|
|
/* Part of one-time lazy init */
|
|
static pthread_once_t once = PTHREAD_ONCE_INIT;
|
|
@@ -301,6 +304,29 @@ const char *selinux_binary_policy_path(void)
|
|
|
|
hidden_def(selinux_binary_policy_path)
|
|
|
|
+const char *selinux_current_policy_path(void)
|
|
+{
|
|
+ int rc = 0;
|
|
+ int vers = 0;
|
|
+ static char policy_path[PATH_MAX];
|
|
+
|
|
+ snprintf(policy_path, sizeof(policy_path), "%s/policy", selinux_mnt);
|
|
+ if (access(policy_path, F_OK) != 0 ) {
|
|
+ vers = security_policyvers();
|
|
+ do {
|
|
+ /* Check prior versions to see if old policy is available */
|
|
+ snprintf(policy_path, sizeof(policy_path), "%s.%d",
|
|
+ selinux_binary_policy_path(), vers);
|
|
+ } while ((rc = access(policy_path, F_OK)) && --vers > 0);
|
|
+
|
|
+ if (rc) return NULL;
|
|
+ }
|
|
+
|
|
+ return policy_path;
|
|
+}
|
|
+
|
|
+hidden_def(selinux_current_policy_path)
|
|
+
|
|
const char *selinux_file_context_path(void)
|
|
{
|
|
return get_path(FILE_CONTEXTS);
|
|
@@ -418,6 +444,19 @@ const char *selinux_virtual_image_context_path(void)
|
|
|
|
hidden_def(selinux_virtual_image_context_path)
|
|
|
|
+const char *selinux_lxc_contexts_path(void)
|
|
+{
|
|
+ return get_path(LXC_CONTEXTS);
|
|
+}
|
|
+
|
|
+hidden_def(selinux_lxc_contexts_path)
|
|
+
|
|
+const char * selinux_booleans_subs_path(void) {
|
|
+ return get_path(BOOLEAN_SUBS);
|
|
+}
|
|
+
|
|
+hidden_def(selinux_booleans_subs_path)
|
|
+
|
|
const char * selinux_file_context_subs_path(void) {
|
|
return get_path(FILE_CONTEXT_SUBS);
|
|
}
|
|
diff --git a/libselinux/src/selinux_internal.h b/libselinux/src/selinux_internal.h
|
|
index 00df405..7c34b00 100644
|
|
--- a/libselinux/src/selinux_internal.h
|
|
+++ b/libselinux/src/selinux_internal.h
|
|
@@ -59,13 +59,17 @@ hidden_proto(selinux_mkload_policy)
|
|
hidden_proto(security_getenforce)
|
|
hidden_proto(security_setenforce)
|
|
hidden_proto(security_deny_unknown)
|
|
+ hidden_proto(selinux_boolean_sub)
|
|
hidden_proto(selinux_binary_policy_path)
|
|
+ hidden_proto(selinux_booleans_subs_path)
|
|
+ hidden_proto(selinux_current_policy_path)
|
|
hidden_proto(selinux_default_context_path)
|
|
hidden_proto(selinux_securetty_types_path)
|
|
hidden_proto(selinux_failsafe_context_path)
|
|
hidden_proto(selinux_removable_context_path)
|
|
hidden_proto(selinux_virtual_domain_context_path)
|
|
hidden_proto(selinux_virtual_image_context_path)
|
|
+ hidden_proto(selinux_lxc_contexts_path)
|
|
hidden_proto(selinux_file_context_path)
|
|
hidden_proto(selinux_file_context_homedir_path)
|
|
hidden_proto(selinux_file_context_local_path)
|
|
@@ -82,6 +86,7 @@ hidden_proto(selinux_mkload_policy)
|
|
hidden_proto(selinux_path)
|
|
hidden_proto(selinux_check_passwd_access)
|
|
hidden_proto(selinux_check_securetty_context)
|
|
+ hidden_proto(matchpathcon_init_prefixes)
|
|
hidden_proto(matchpathcon_init_prefix)
|
|
hidden_proto(selinux_users_path)
|
|
hidden_proto(selinux_usersconf_path);
|
|
diff --git a/libselinux/src/seusers.c b/libselinux/src/seusers.c
|
|
index 5cdf6c0..b525fba 100644
|
|
--- a/libselinux/src/seusers.c
|
|
+++ b/libselinux/src/seusers.c
|
|
@@ -279,11 +279,18 @@ int getseuser(const char *username, const char *service,
|
|
while (getline(&buffer, &size, fp) > 0) {
|
|
++lineno;
|
|
|
|
- if (strncmp(buffer, "*:", 2) == 0) {
|
|
+ if (!service) {
|
|
+ rec = strdup(buffer);
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ if (strncmp(buffer, "*:", 2) == 0)
|
|
+ {
|
|
free(rec);
|
|
rec = strdup(buffer);
|
|
continue;
|
|
}
|
|
+
|
|
len = strlen(service);
|
|
if ((strncmp(buffer, service, len) == 0) &&
|
|
(buffer[len] == ':')) {
|
|
diff --git a/libselinux/utils/Makefile b/libselinux/utils/Makefile
|
|
index d76ccfa..5f3e047 100644
|
|
--- a/libselinux/utils/Makefile
|
|
+++ b/libselinux/utils/Makefile
|
|
@@ -5,7 +5,7 @@ USRBINDIR ?= $(PREFIX)/sbin
|
|
SBINDIR ?= $(DESTDIR)/sbin
|
|
|
|
MAX_STACK_SIZE=8192
|
|
-CFLAGS ?= -Wall -W -Wundef -Wformat-y2k -Wformat-security -Winit-self -Wmissing-include-dirs \
|
|
+CFLAGS ?= -O -Wall -W -Wundef -Wformat-y2k -Wformat-security -Winit-self -Wmissing-include-dirs \
|
|
-Wunused -Wunknown-pragmas -Wstrict-aliasing -Wshadow -Wpointer-arith \
|
|
-Wbad-function-cast -Wcast-align -Wwrite-strings -Wlogical-op -Waggregate-return \
|
|
-Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes \
|
|
diff --git a/libselinux/utils/getdefaultcon.c b/libselinux/utils/getdefaultcon.c
|
|
index 049e75c..6bafedb 100644
|
|
--- a/libselinux/utils/getdefaultcon.c
|
|
+++ b/libselinux/utils/getdefaultcon.c
|
|
@@ -21,10 +21,11 @@ int main(int argc, char **argv)
|
|
{
|
|
security_context_t usercon = NULL, cur_context = NULL;
|
|
char *user = NULL, *level = NULL, *role=NULL, *seuser=NULL, *dlevel=NULL;
|
|
+ char *service = NULL;
|
|
int ret, opt;
|
|
int verbose = 0;
|
|
|
|
- while ((opt = getopt(argc, argv, "l:r:v")) > 0) {
|
|
+ while ((opt = getopt(argc, argv, "l:r:s:v")) > 0) {
|
|
switch (opt) {
|
|
case 'l':
|
|
level = strdup(optarg);
|
|
@@ -32,6 +33,9 @@ int main(int argc, char **argv)
|
|
case 'r':
|
|
role = strdup(optarg);
|
|
break;
|
|
+ case 's':
|
|
+ service = strdup(optarg);
|
|
+ break;
|
|
case 'v':
|
|
verbose = 1;
|
|
break;
|
|
@@ -61,7 +65,7 @@ int main(int argc, char **argv)
|
|
} else
|
|
cur_context = argv[optind + 1];
|
|
|
|
- if ((ret = getseuserbyname(user, &seuser, &dlevel)) == 0) {
|
|
+ if ((ret = getseuser(user, service, &seuser, &dlevel)) == 0) {
|
|
if (! level) level=dlevel;
|
|
if (role != NULL && role[0])
|
|
ret=get_default_context_with_rolelevel(seuser, role, level,cur_context,&usercon);
|
|
@@ -74,7 +78,7 @@ int main(int argc, char **argv)
|
|
if (verbose) {
|
|
printf("%s: %s from %s %s %s %s -> %s\n", argv[0], user, cur_context, seuser, role, level, usercon);
|
|
} else {
|
|
- printf("%s", usercon);
|
|
+ printf("%s\n", usercon);
|
|
}
|
|
}
|
|
|
|
diff --git a/libselinux/utils/getsebool.c b/libselinux/utils/getsebool.c
|
|
index 3a90449..9ae9243 100644
|
|
--- a/libselinux/utils/getsebool.c
|
|
+++ b/libselinux/utils/getsebool.c
|
|
@@ -87,14 +87,22 @@ int main(int argc, char **argv)
|
|
rc = -1;
|
|
goto out;
|
|
}
|
|
+ char *alt_name = selinux_boolean_sub(names[i]);
|
|
+ if (! alt_name) {
|
|
+ perror("Out of memory\n");
|
|
+ rc = -1;
|
|
+ goto out;
|
|
+ }
|
|
+
|
|
if (pending != active) {
|
|
- printf("%s --> %s pending: %s\n", names[i],
|
|
+ printf("%s --> %s pending: %s\n", alt_name,
|
|
(active ? "on" : "off"),
|
|
(pending ? "on" : "off"));
|
|
} else {
|
|
- printf("%s --> %s\n", names[i],
|
|
+ printf("%s --> %s\n", alt_name,
|
|
(active ? "on" : "off"));
|
|
}
|
|
+ free(alt_name);
|
|
}
|
|
|
|
out:
|
|
diff --git a/libselinux/utils/matchpathcon.c b/libselinux/utils/matchpathcon.c
|
|
index b1adadd..e8e6ed5 100644
|
|
--- a/libselinux/utils/matchpathcon.c
|
|
+++ b/libselinux/utils/matchpathcon.c
|
|
@@ -45,21 +45,27 @@ static int printmatchpathcon(const char *path, int header, int mode)
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
- int i, init = 0;
|
|
+ int i, force_mode = 0;
|
|
int header = 1, opt;
|
|
int verify = 0;
|
|
int notrans = 0;
|
|
int error = 0;
|
|
int quiet = 0;
|
|
-
|
|
+ const char *prefixes[100];
|
|
+ char *file = NULL;
|
|
+ int prefix=0;
|
|
+
|
|
if (argc < 2)
|
|
usage(argv[0]);
|
|
|
|
- while ((opt = getopt(argc, argv, "Nnf:p:Vq")) > 0) {
|
|
+ while ((opt = getopt(argc, argv, "m:Nnf:p:Vq")) > 0) {
|
|
switch (opt) {
|
|
case 'n':
|
|
header = 0;
|
|
break;
|
|
+ case 'm':
|
|
+ force_mode = atoi(optarg);
|
|
+ break;
|
|
case 'V':
|
|
verify = 1;
|
|
break;
|
|
@@ -68,36 +74,24 @@ int main(int argc, char **argv)
|
|
set_matchpathcon_flags(MATCHPATHCON_NOTRANS);
|
|
break;
|
|
case 'f':
|
|
- if (init) {
|
|
+ if (prefix) {
|
|
fprintf(stderr,
|
|
"%s: -f and -p are exclusive\n",
|
|
argv[0]);
|
|
exit(1);
|
|
}
|
|
- init = 1;
|
|
- if (matchpathcon_init(optarg)) {
|
|
- fprintf(stderr,
|
|
- "Error while processing %s: %s\n",
|
|
- optarg,
|
|
- errno ? strerror(errno) : "invalid");
|
|
- exit(1);
|
|
- }
|
|
+ file = optarg;
|
|
break;
|
|
case 'p':
|
|
- if (init) {
|
|
+ if (file) {
|
|
fprintf(stderr,
|
|
"%s: -f and -p are exclusive\n",
|
|
argv[0]);
|
|
exit(1);
|
|
}
|
|
- init = 1;
|
|
- if (matchpathcon_init_prefix(NULL, optarg)) {
|
|
- fprintf(stderr,
|
|
- "Error while processing %s: %s\n",
|
|
- optarg,
|
|
- errno ? strerror(errno) : "invalid");
|
|
- exit(1);
|
|
- }
|
|
+ prefixes[prefix]=optarg;
|
|
+ prefix++;
|
|
+ prefixes[prefix]=NULL;
|
|
break;
|
|
case 'q':
|
|
quiet = 1;
|
|
@@ -106,6 +100,26 @@ int main(int argc, char **argv)
|
|
usage(argv[0]);
|
|
}
|
|
}
|
|
+ if (prefix > 0) {
|
|
+ if (matchpathcon_init_prefixes(file, prefixes)) {
|
|
+ fprintf(stderr,
|
|
+ "Error while processing %s: %s\n",
|
|
+ file,
|
|
+ errno ? strerror(errno) : "invalid");
|
|
+ exit(1);
|
|
+ }
|
|
+ } else {
|
|
+ if (file) {
|
|
+ if (matchpathcon_init(file)) {
|
|
+ fprintf(stderr,
|
|
+ "Error inwhile processing %s: %s\n",
|
|
+ file,
|
|
+ errno ? strerror(errno) : "invalid");
|
|
+ exit(1);
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+
|
|
for (i = optind; i < argc; i++) {
|
|
int rc, mode = 0;
|
|
struct stat buf;
|
|
@@ -114,8 +128,11 @@ int main(int argc, char **argv)
|
|
if (len > 1 && path[len - 1 ] == '/')
|
|
path[len - 1 ] = '\0';
|
|
|
|
- if (lstat(path, &buf) == 0)
|
|
- mode = buf.st_mode;
|
|
+ if (! force_mode) {
|
|
+ if (lstat(path, &buf) == 0)
|
|
+ mode = buf.st_mode;
|
|
+ } else
|
|
+ mode = force_mode;
|
|
|
|
if (verify) {
|
|
rc = selinux_file_context_verify(path, mode);
|