forked from pool/libselinux
Marcus Meissner
eed1af708c
-update to 2.1.13 * audit2why: make sure path is nul terminated * utils: new file context regex compiler * label_file: use precompiled filecontext when possible * do not leak mmapfd * sefcontontext_compile: Add error handling to help debug problems in libsemanage. * man: make selinux.8 mention service man pages * audit2why: Fix segfault if finish() called twice * audit2why: do not leak on multiple init() calls * mode_to_security_class: interface to translate a mode_t in to a security class * audit2why: Cleanup audit2why analysys function * man: Fix program synopsis and function prototypes in man pages * man: Fix man pages formatting * man: Fix typo in man page * man: Add references and man page links to _raw function variants * Use ENOTSUP instead of EOPNOTSUPP for getfilecon functions * man: context_new(3): fix the return value description * selinux_status_open: handle error from sysconf * selinux_status_open: do not leak statusfd on exec * Fix errors found by coverity * Change boooleans.subs to booleans.subs_dist. * optimize set*con functions * pkg-config do not specifc ruby version * unmap file contexts on selabel_close() * do not leak file contexts with mmap'd backend * sefcontext_compile: do not leak fd on error * matchmediacon: do not leak fd * src/label_android_property: do not leak fd on error OBS-URL: https://build.opensuse.org/request/show/161739 OBS-URL: https://build.opensuse.org/package/show/security:SELinux/libselinux?expand=0&rev=63
756 lines
23 KiB
Diff
756 lines
23 KiB
Diff
diff --git a/libselinux/include/selinux/selinux.h b/libselinux/include/selinux/selinux.h
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index a4079aa..0b122af 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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@@ -177,6 +177,7 @@ extern void selinux_set_callback(int type, union selinux_callback cb);
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#define SELINUX_WARNING 1
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#define SELINUX_INFO 2
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#define SELINUX_AVC 3
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+#define SELINUX_TRANS_DIR "/var/run/setrans"
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/* Compute an access decision. */
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extern int security_compute_av(const security_context_t scon,
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@@ -496,8 +497,15 @@ extern int selinux_getpolicytype(char **policytype);
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*/
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extern const char *selinux_policy_root(void);
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+/*
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+ selinux_set_policy_root sets an alternate policy root directory path under
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+ which the compiled policy file and context configuration files exist.
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+ */
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+extern int selinux_set_policy_root(const char *rootpath);
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+
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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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diff --git a/libselinux/man/man3/security_compute_av.3 b/libselinux/man/man3/security_compute_av.3
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index c6837fc..de62d26 100644
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--- a/libselinux/man/man3/security_compute_av.3
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+++ b/libselinux/man/man3/security_compute_av.3
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@@ -37,9 +37,9 @@ the SELinux policy database in the kernel
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.sp
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.BI "int security_compute_user_raw(security_context_t "scon ", const char *" username ", security_context_t **" con );
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.sp
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-.BI "int security_get_initial_context(const char *" name ", security_context_t " con );
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+.BI "int security_get_initial_context(const char *" name ", security_context_t *" con );
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.sp
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-.BI "int security_get_initial_context_raw(const char *" name ", security_context_t " con );
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+.BI "int security_get_initial_context_raw(const char *" name ", security_context_t *" con );
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.sp
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.BI "int selinux_check_access(const security_context_t " scon ", const security_context_t " tcon ", const char *" class ", const char *" perm ", void *" auditdata);
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.sp
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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 ec97dcf..503c52c 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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@@ -1,6 +1,6 @@
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.TH "selinux_binary_policy_path" "3" "15 November 2004" "dwalsh@redhat.com" "SELinux API Documentation"
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.SH "NAME"
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-selinux_path, selinux_policy_root, selinux_binary_policy_path,
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+selinux_path, selinux_policy_root, selinux_binary_policy_path, selinux_current_policy_path,
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selinux_failsafe_context_path, selinux_removable_context_path,
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selinux_default_context_path, selinux_user_contexts_path,
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selinux_file_context_path, selinux_media_context_path,
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@@ -17,6 +17,8 @@ directories and files
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.sp
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.B const char *selinux_binary_policy_path(void);
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.sp
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+.B const char *selinux_current_policy_path(void);
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+.sp
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.B const char *selinux_failsafe_context_path(void);
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.sp
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.B const char *selinux_removable_context_path(void);
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@@ -55,6 +57,9 @@ returns the top-level policy directory.
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.BR selinux_binary_policy_path ()
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returns the binary policy file loaded into kernel.
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.sp
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+.BR selinux_current_policy_path ()
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+returns the currently loaded policy file from the kernel.
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+.sp
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.BR selinux_default_type_path ()
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returns the context file mapping roles to default types.
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.sp
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diff --git a/libselinux/man/man3/selinux_current_policy_path.3 b/libselinux/man/man3/selinux_current_policy_path.3
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new file mode 100644
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index 0000000..175a611
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--- /dev/null
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+++ b/libselinux/man/man3/selinux_current_policy_path.3
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@@ -0,0 +1 @@
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+.so man3/selinux_binary_policy_path.3
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diff --git a/libselinux/man/man3/selinux_policy_root.3 b/libselinux/man/man3/selinux_policy_root.3
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index a6ccf86..63dc901 100644
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--- a/libselinux/man/man3/selinux_policy_root.3
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+++ b/libselinux/man/man3/selinux_policy_root.3
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@@ -1,21 +1,34 @@
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.TH "selinux_policy_root" "3" "25 May 2004" "dwalsh@redhat.com" "SELinux API documentation"
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.SH "NAME"
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selinux_policy_root \- return the path of the SELinux policy files for this machine
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+selinux_set_policy_root \- Set an alternate SELinux root path for the SELinux policy files for this machine.
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.
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.SH "SYNOPSIS"
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.B #include <selinux/selinux.h>
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.sp
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.B const char *selinux_policy_root(void);
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.
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+.sp
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+.B int selinux_set_policy_root(const char *policypath);
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+.
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.SH "DESCRIPTION"
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.BR selinux_policy_root ()
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reads the contents of the
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.I /etc/selinux/config
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file to determine which policy files should be used for this machine.
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.
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+.BR selinux_set_policy_root ()
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+sets up all all policy paths based on the alternate root
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+
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+.I /etc/selinux/config
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+file to determine which policy files should be used for this machine.
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+.
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.SH "RETURN VALUE"
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-On success, returns a directory path containing the SELinux policy files.
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-On failure, NULL is returned.
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+On success, selinux_policy_root returns a directory path containing the SELinux policy files.
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+On failure, selinux_policy_root returns NULL.
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+
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+On success, selinux_set_policy_root returns 0 on success -1 on failure.
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+
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.
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.SH "SEE ALSO"
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.BR selinux "(8)"
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diff --git a/libselinux/man/man3/selinux_set_policy_root.3 b/libselinux/man/man3/selinux_set_policy_root.3
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new file mode 100644
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index 0000000..8077658
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--- /dev/null
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+++ b/libselinux/man/man3/selinux_set_policy_root.3
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@@ -0,0 +1 @@
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+.so man3/selinux_policy_root.3
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diff --git a/libselinux/man/man8/matchpathcon.8 b/libselinux/man/man8/matchpathcon.8
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index 368991f..5d60789 100644
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--- a/libselinux/man/man8/matchpathcon.8
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+++ b/libselinux/man/man8/matchpathcon.8
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@@ -13,6 +13,8 @@ matchpathcon \- get the default SELinux security context for the specified path
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.IR file_contexts_file ]
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.RB [ \-p
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.IR prefix ]
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+.RB [ \-P
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+.IR policy_root_path ]
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.I filepath...
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.
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.SH "DESCRIPTION"
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@@ -46,6 +48,9 @@ Use alternate file_context file
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.BI \-p " prefix"
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Use prefix to speed translations
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.TP
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+.BI \-P " policy_root_path"
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+Use alternate policy root path
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+.TP
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.B \-V
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Verify file context on disk matches defaults
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.
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diff --git a/libselinux/man/man8/selinux.8 b/libselinux/man/man8/selinux.8
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index a328866..50868e4 100644
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--- a/libselinux/man/man8/selinux.8
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+++ b/libselinux/man/man8/selinux.8
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@@ -37,20 +37,22 @@ The
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configuration file also controls what policy
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is active on the system. SELinux allows for multiple policies to be
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installed on the system, but only one policy may be active at any
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-given time. At present, two kinds of SELinux policy exist: targeted
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-and strict. The targeted policy is designed as a policy where most
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-processes operate without restrictions, and only specific services are
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+given time. At present, multiple kinds of SELinux policy exist: targeted,
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+mls for example. The targeted policy is designed as a policy where most
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+user processes operate without restrictions, and only specific services are
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placed into distinct security domains that are confined by the policy.
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For example, the user would run in a completely unconfined domain
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while the named daemon or apache daemon would run in a specific domain
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-tailored to its operation. The strict policy is designed as a policy
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-where all processes are partitioned into fine-grained security domains
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-and confined by policy. It is anticipated in the future that other
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-policies will be created (Multi-Level Security for example). You can
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+tailored to its operation. The MLS (Multi-Level Security) policy is designed
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+as a policy where all processes are partitioned into fine-grained security
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+domains and confined by policy. MLS also supports the Bell And LaPadula model, where processes are not only confined by the type but also the level of the data.
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+
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+You can
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define which policy you will run by setting the
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.B SELINUXTYPE
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environment variable within
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.IR /etc/selinux/config .
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+You must reboot and possibly relabel if you change the policy type to have it take effect on the system.
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The corresponding
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policy configuration for each such policy must be installed in the
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.I /etc/selinux/{SELINUXTYPE}/
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@@ -58,7 +60,7 @@ directories.
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A given SELinux policy can be customized further based on a set of
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compile-time tunable options and a set of runtime policy booleans.
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-.B \%system\-config\-securitylevel
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+.B \%system\-config\-selinux
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allows customization of these booleans and tunables.
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Many domains that are protected by SELinux also include SELinux man pages explaining how to customize their policy.
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@@ -86,11 +88,13 @@ This manual page was written by Dan Walsh <dwalsh@redhat.com>.
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.nh
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.BR booleans (8),
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.BR setsebool (8),
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-.BR selinuxenabled (8),
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+.BR sepolicy (8),
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+.BR system-config-selinux (8),
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.BR togglesebool (8),
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.BR restorecon (8),
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+.BR fixfiles (8),
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.BR setfiles (8),
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-.BR semange (8),
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+.BR semanage (8),
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.BR sepolicy(8)
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Every confined service on the system has a man page in the following format:
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diff --git a/libselinux/src/audit2why.c b/libselinux/src/audit2why.c
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index ffe381b..560bc25 100644
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--- a/libselinux/src/audit2why.c
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+++ b/libselinux/src/audit2why.c
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@@ -210,27 +210,12 @@ static int __policy_init(const char *init_path)
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return 1;
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}
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} else {
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- vers = sepol_policy_kern_vers_max();
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- if (vers < 0) {
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- snprintf(errormsg, sizeof(errormsg),
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- "Could not get policy version: %s\n",
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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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- 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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@@ -310,10 +295,12 @@ static PyObject *init(PyObject *self __attribute__((unused)), PyObject *args) {
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}
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#define RETURN(X) \
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- PyTuple_SetItem(result, 0, Py_BuildValue("i", X)); \
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- return result;
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+ { \
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+ return Py_BuildValue("iO", (X), Py_None); \
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+ }
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static PyObject *analyze(PyObject *self __attribute__((unused)) , PyObject *args) {
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+ char *reason_buf = NULL;
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security_context_t scon;
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security_context_t tcon;
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char *tclassstr;
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@@ -328,10 +315,6 @@ static PyObject *analyze(PyObject *self __attribute__((unused)) , PyObject *args
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struct sepol_av_decision avd;
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int rc;
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int i=0;
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- PyObject *result = PyTuple_New(2);
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- if (!result) return NULL;
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- Py_INCREF(Py_None);
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- PyTuple_SetItem(result, 1, Py_None);
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if (!PyArg_ParseTuple(args,(char *)"sssO!:audit2why",&scon,&tcon,&tclassstr,&PyList_Type, &listObj))
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return NULL;
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@@ -342,22 +325,21 @@ static PyObject *analyze(PyObject *self __attribute__((unused)) , PyObject *args
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/* should raise an error here. */
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if (numlines < 0) return NULL; /* Not a list */
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- if (!avc) {
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+ if (!avc)
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RETURN(NOPOLICY)
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- }
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rc = sepol_context_to_sid(scon, strlen(scon) + 1, &ssid);
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- if (rc < 0) {
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+ if (rc < 0)
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RETURN(BADSCON)
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- }
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+
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rc = sepol_context_to_sid(tcon, strlen(tcon) + 1, &tsid);
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- if (rc < 0) {
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+ if (rc < 0)
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RETURN(BADTCON)
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- }
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+
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tclass = string_to_security_class(tclassstr);
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- if (!tclass) {
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+ if (!tclass)
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RETURN(BADTCLASS)
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- }
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+
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/* Convert the permission list to an AV. */
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av = 0;
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@@ -377,21 +359,20 @@ static PyObject *analyze(PyObject *self __attribute__((unused)) , PyObject *args
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#endif
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perm = string_to_av_perm(tclass, permstr);
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- if (!perm) {
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+ if (!perm)
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RETURN(BADPERM)
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- }
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+
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av |= perm;
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}
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/* Reproduce the computation. */
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- rc = sepol_compute_av_reason(ssid, tsid, tclass, av, &avd, &reason);
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- if (rc < 0) {
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+ rc = sepol_compute_av_reason_buffer(ssid, tsid, tclass, av, &avd, &reason, &reason_buf, 0);
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+ if (rc < 0)
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RETURN(BADCOMPUTE)
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- }
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- if (!reason) {
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+ if (!reason)
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RETURN(ALLOW)
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- }
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+
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if (reason & SEPOL_COMPUTEAV_TE) {
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avc->ssid = ssid;
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avc->tsid = tsid;
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@@ -404,28 +385,34 @@ static PyObject *analyze(PyObject *self __attribute__((unused)) , PyObject *args
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RETURN(TERULE)
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}
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} else {
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- PyTuple_SetItem(result, 0, Py_BuildValue("i", BOOLEAN));
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+ PyObject *outboollist;
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struct boolean_t *b = bools;
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int len=0;
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while (b->name) {
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len++; b++;
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}
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b = bools;
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- PyObject *outboollist = PyTuple_New(len);
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+ outboollist = PyList_New(len);
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len=0;
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while(b->name) {
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- PyObject *bool = Py_BuildValue("(si)", b->name, b->active);
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- PyTuple_SetItem(outboollist, len++, bool);
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+ PyObject *bool_ = Py_BuildValue("(si)", b->name, b->active);
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+ PyList_SetItem(outboollist, len++, bool_);
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b++;
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}
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free(bools);
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- PyTuple_SetItem(result, 1, outboollist);
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- return result;
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+ /* 'N' steals the reference to outboollist */
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+ return Py_BuildValue("iN", BOOLEAN, outboollist);
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}
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}
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if (reason & SEPOL_COMPUTEAV_CONS) {
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- RETURN(CONSTRAINT);
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+ if (reason_buf) {
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+ PyObject *result = NULL;
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+ result = Py_BuildValue("is", CONSTRAINT, reason_buf);
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+ free(reason_buf);
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+ return result;
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+ }
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+ RETURN(CONSTRAINT)
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}
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if (reason & SEPOL_COMPUTEAV_RBAC)
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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/get_context_list.c b/libselinux/src/get_context_list.c
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index b9e8002..355730a 100644
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--- a/libselinux/src/get_context_list.c
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+++ b/libselinux/src/get_context_list.c
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@@ -426,7 +426,7 @@ int get_ordered_context_list(const char *user,
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/* Initialize ordering array. */
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ordering = malloc(nreach * sizeof(unsigned int));
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if (!ordering)
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- goto oom_order;
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+ goto failsafe;
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for (i = 0; i < nreach; i++)
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ordering[i] = nreach;
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@@ -435,7 +435,7 @@ int get_ordered_context_list(const char *user,
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fname_len = strlen(user_contexts_path) + strlen(user) + 2;
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|
fname = malloc(fname_len);
|
|
if (!fname)
|
|
- goto oom_order;
|
|
+ goto failsafe;
|
|
snprintf(fname, fname_len, "%s%s", user_contexts_path, user);
|
|
fp = fopen(fname, "r");
|
|
if (fp) {
|
|
@@ -465,31 +465,28 @@ int get_ordered_context_list(const char *user,
|
|
}
|
|
}
|
|
|
|
+ if (!nordered)
|
|
+ goto failsafe;
|
|
+
|
|
/* Apply the ordering. */
|
|
- if (nordered) {
|
|
- co = malloc(nreach * sizeof(struct context_order));
|
|
- if (!co)
|
|
- goto oom_order;
|
|
- for (i = 0; i < nreach; i++) {
|
|
- co[i].con = reachable[i];
|
|
- co[i].order = ordering[i];
|
|
- }
|
|
- qsort(co, nreach, sizeof(struct context_order), order_compare);
|
|
- for (i = 0; i < nreach; i++)
|
|
- reachable[i] = co[i].con;
|
|
- free(co);
|
|
+ co = malloc(nreach * sizeof(struct context_order));
|
|
+ if (!co)
|
|
+ goto failsafe;
|
|
+ for (i = 0; i < nreach; i++) {
|
|
+ co[i].con = reachable[i];
|
|
+ co[i].order = ordering[i];
|
|
}
|
|
+ qsort(co, nreach, sizeof(struct context_order), order_compare);
|
|
+ for (i = 0; i < nreach; i++)
|
|
+ reachable[i] = co[i].con;
|
|
+ free(co);
|
|
|
|
- /* Return the ordered list.
|
|
- If we successfully ordered it, then only report the ordered entries
|
|
- to the caller. Otherwise, fall back to the entire reachable list. */
|
|
- if (nordered && nordered < nreach) {
|
|
+ /* Only report the ordered entries to the caller. */
|
|
+ if (nordered < nreach) {
|
|
for (i = nordered; i < nreach; i++)
|
|
free(reachable[i]);
|
|
reachable[nordered] = NULL;
|
|
rc = nordered;
|
|
- } else {
|
|
- rc = nreach;
|
|
}
|
|
|
|
out:
|
|
@@ -523,14 +520,6 @@ int get_ordered_context_list(const char *user,
|
|
}
|
|
rc = 1; /* one context in the list */
|
|
goto out;
|
|
-
|
|
- oom_order:
|
|
- /* Unable to order context list due to OOM condition.
|
|
- Fall back to unordered reachable context list. */
|
|
- fprintf(stderr, "%s: out of memory, unable to order list\n",
|
|
- __FUNCTION__);
|
|
- rc = nreach;
|
|
- goto out;
|
|
}
|
|
|
|
hidden_def(get_ordered_context_list)
|
|
diff --git a/libselinux/src/label_file.c b/libselinux/src/label_file.c
|
|
index 5f697f3..9b0d6b0 100644
|
|
--- a/libselinux/src/label_file.c
|
|
+++ b/libselinux/src/label_file.c
|
|
@@ -649,6 +649,8 @@ static struct selabel_lookup_rec *lookup(struct selabel_handle *rec,
|
|
break;
|
|
} else if (rc == PCRE_ERROR_NOMATCH)
|
|
continue;
|
|
+
|
|
+ errno = ENOENT;
|
|
/* else it's an error */
|
|
goto finish;
|
|
}
|
|
@@ -660,6 +662,7 @@ static struct selabel_lookup_rec *lookup(struct selabel_handle *rec,
|
|
goto finish;
|
|
}
|
|
|
|
+ errno = 0;
|
|
ret = &spec_arr[i].lr;
|
|
|
|
finish:
|
|
diff --git a/libselinux/src/matchpathcon.c b/libselinux/src/matchpathcon.c
|
|
index 2d7369e..2a00807 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);
|
|
}
|
|
|
|
diff --git a/libselinux/src/procattr.c b/libselinux/src/procattr.c
|
|
index 6c5b45a..0a0dd3e 100644
|
|
--- a/libselinux/src/procattr.c
|
|
+++ b/libselinux/src/procattr.c
|
|
@@ -257,6 +257,7 @@ out:
|
|
free(context);
|
|
return -1;
|
|
} else {
|
|
+ free(*prev_context);
|
|
*prev_context = context;
|
|
return 0;
|
|
}
|
|
diff --git a/libselinux/src/selinux_config.c b/libselinux/src/selinux_config.c
|
|
index 296f357..0040524 100644
|
|
--- a/libselinux/src/selinux_config.c
|
|
+++ b/libselinux/src/selinux_config.c
|
|
@@ -8,6 +8,8 @@
|
|
#include <limits.h>
|
|
#include <unistd.h>
|
|
#include <pthread.h>
|
|
+#include <errno.h>
|
|
+#include "policy.h"
|
|
#include "selinux_internal.h"
|
|
#include "get_default_type_internal.h"
|
|
|
|
@@ -138,6 +140,13 @@ int selinux_getpolicytype(char **type)
|
|
|
|
hidden_def(selinux_getpolicytype)
|
|
|
|
+static int setpolicytype(const char *type)
|
|
+{
|
|
+ free(selinux_policytype);
|
|
+ selinux_policytype = strdup(type);
|
|
+ return selinux_policytype ? 0 : -1;
|
|
+}
|
|
+
|
|
static char *selinux_policyroot = NULL;
|
|
static const char *selinux_rootpath = SELINUXDIR;
|
|
|
|
@@ -261,6 +270,37 @@ const char *selinux_policy_root(void)
|
|
return selinux_policyroot;
|
|
}
|
|
|
|
+int selinux_set_policy_root(const char *path)
|
|
+{
|
|
+ int i;
|
|
+ char *policy_type = strchr(selinux_policyroot, '/');
|
|
+ if (!policy_type) {
|
|
+ errno = EINVAL;
|
|
+ return -1;
|
|
+ }
|
|
+ policy_type++;
|
|
+
|
|
+ fini_selinuxmnt();
|
|
+ fini_selinux_policyroot();
|
|
+
|
|
+ selinux_policyroot = strdup(path);
|
|
+ if (! selinux_policyroot)
|
|
+ return -1;
|
|
+
|
|
+ if (setpolicytype(policy_type) != 0)
|
|
+ return -1;
|
|
+
|
|
+ for (i = 0; i < NEL; i++)
|
|
+ if (asprintf(&file_paths[i], "%s%s",
|
|
+ selinux_policyroot,
|
|
+ file_path_suffixes_data.str +
|
|
+ file_path_suffixes_idx[i])
|
|
+ == -1)
|
|
+ return -1;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
const char *selinux_path(void)
|
|
{
|
|
return selinux_rootpath;
|
|
@@ -303,6 +343,31 @@ 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];
|
|
+
|
|
+ if (selinux_mnt) {
|
|
+ snprintf(policy_path, sizeof(policy_path), "%s/policy", selinux_mnt);
|
|
+ if (access(policy_path, F_OK) == 0 ) {
|
|
+ return policy_path;
|
|
+ }
|
|
+ }
|
|
+ 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);
|
|
diff --git a/libselinux/src/selinux_internal.h b/libselinux/src/selinux_internal.h
|
|
index 2c7c85c..4a4aebc 100644
|
|
--- a/libselinux/src/selinux_internal.h
|
|
+++ b/libselinux/src/selinux_internal.h
|
|
@@ -60,6 +60,7 @@ hidden_proto(selinux_mkload_policy)
|
|
hidden_proto(security_setenforce)
|
|
hidden_proto(security_deny_unknown)
|
|
hidden_proto(selinux_boolean_sub)
|
|
+ hidden_proto(selinux_current_policy_path)
|
|
hidden_proto(selinux_binary_policy_path)
|
|
hidden_proto(selinux_booleans_subs_path)
|
|
hidden_proto(selinux_default_context_path)
|
|
diff --git a/libselinux/src/setrans_internal.h b/libselinux/src/setrans_internal.h
|
|
index a801ee8..b3bdca2 100644
|
|
--- a/libselinux/src/setrans_internal.h
|
|
+++ b/libselinux/src/setrans_internal.h
|
|
@@ -1,6 +1,7 @@
|
|
/* Author: Trusted Computer Solutions, Inc. */
|
|
+#include <selinux/selinux.h>
|
|
|
|
-#define SETRANS_UNIX_SOCKET "/var/run/setrans/.setrans-unix"
|
|
+#define SETRANS_UNIX_SOCKET SELINUX_TRANS_DIR "/.setrans-unix"
|
|
|
|
#define RAW_TO_TRANS_CONTEXT 2
|
|
#define TRANS_TO_RAW_CONTEXT 3
|
|
diff --git a/libselinux/utils/matchpathcon.c b/libselinux/utils/matchpathcon.c
|
|
index dd5aaa3..9d3ff3a 100644
|
|
--- a/libselinux/utils/matchpathcon.c
|
|
+++ b/libselinux/utils/matchpathcon.c
|
|
@@ -12,11 +12,10 @@
|
|
#include <limits.h>
|
|
#include <stdlib.h>
|
|
|
|
-
|
|
static void usage(const char *progname)
|
|
{
|
|
fprintf(stderr,
|
|
- "usage: %s [-N] [-n] [-f file_contexts] [-p prefix] [-Vq] path...\n",
|
|
+ "usage: %s [-N] [-n] [-f file_contexts] [ -P policy_root_path ] [-p prefix] [-Vq] path...\n",
|
|
progname);
|
|
exit(1);
|
|
}
|
|
@@ -78,7 +77,7 @@ int main(int argc, char **argv)
|
|
if (argc < 2)
|
|
usage(argv[0]);
|
|
|
|
- while ((opt = getopt(argc, argv, "m:Nnf:p:Vq")) > 0) {
|
|
+ while ((opt = getopt(argc, argv, "m:Nnf:P:p:Vq")) > 0) {
|
|
switch (opt) {
|
|
case 'n':
|
|
header = 0;
|
|
@@ -113,6 +112,15 @@ int main(int argc, char **argv)
|
|
exit(1);
|
|
}
|
|
break;
|
|
+ case 'P':
|
|
+ if (selinux_set_policy_root(optarg) < 0 ) {
|
|
+ fprintf(stderr,
|
|
+ "Error setting policy root %s: %s\n",
|
|
+ optarg,
|
|
+ errno ? strerror(errno) : "invalid");
|
|
+ exit(1);
|
|
+ }
|
|
+ break;
|
|
case 'p':
|
|
if (init) {
|
|
fprintf(stderr,
|
|
diff --git a/libselinux/utils/sefcontext_compile.c b/libselinux/utils/sefcontext_compile.c
|
|
index 6f79dd6..e019a07 100644
|
|
--- a/libselinux/utils/sefcontext_compile.c
|
|
+++ b/libselinux/utils/sefcontext_compile.c
|
|
@@ -145,7 +145,7 @@ static int process_file(struct saved_data *data, const char *filename)
|
|
* u32 - data length of the pcre regex study daya
|
|
* char - a buffer holding the raw pcre regex study data
|
|
*/
|
|
-static int write_binary_file(struct saved_data *data, char *filename)
|
|
+static int write_binary_file(struct saved_data *data, int fd)
|
|
{
|
|
struct spec *specs = data->spec_arr;
|
|
FILE *bin_file;
|
|
@@ -155,7 +155,7 @@ static int write_binary_file(struct saved_data *data, char *filename)
|
|
uint32_t i;
|
|
int rc;
|
|
|
|
- bin_file = fopen(filename, "w");
|
|
+ bin_file = fdopen(fd, "w");
|
|
if (!bin_file) {
|
|
perror("fopen output_file");
|
|
exit(EXIT_FAILURE);
|
|
@@ -321,7 +321,9 @@ int main(int argc, char *argv[])
|
|
const char *path;
|
|
char stack_path[PATH_MAX + 1];
|
|
int rc;
|
|
-
|
|
+ char *tmp= NULL;
|
|
+ int fd;
|
|
+
|
|
if (argc != 2) {
|
|
fprintf(stderr, "usage: %s input_file\n", argv[0]);
|
|
exit(EXIT_FAILURE);
|
|
@@ -342,13 +344,29 @@ int main(int argc, char *argv[])
|
|
rc = snprintf(stack_path, sizeof(stack_path), "%s.bin", path);
|
|
if (rc < 0 || rc >= sizeof(stack_path))
|
|
return rc;
|
|
- rc = write_binary_file(&data, stack_path);
|
|
+
|
|
+ if (asprintf(&tmp, "%sXXXXXX", stack_path) < 0)
|
|
+ return -1;
|
|
+
|
|
+ fd = mkstemp(tmp);
|
|
+ if (fd < 0)
|
|
+ goto err;
|
|
+
|
|
+ rc = write_binary_file(&data, fd);
|
|
+
|
|
if (rc < 0)
|
|
- return rc;
|
|
+ goto err;
|
|
|
|
+ rename(tmp, stack_path);
|
|
rc = free_specs(&data);
|
|
if (rc < 0)
|
|
- return rc;
|
|
+ goto err;
|
|
|
|
- return 0;
|
|
+ rc = 0;
|
|
+out:
|
|
+ free(tmp);
|
|
+ return rc;
|
|
+err:
|
|
+ rc = -1;
|
|
+ goto out;
|
|
}
|