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* Thu Dec 20 2007 Dan Walsh <dwalsh@redhat.com> 2.0.34-2

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- Make sepolgen set error exit code when partial failure
- audit2why now checks booleans for avc diagnosis
This commit is contained in:
Daniel J Walsh 2007-12-20 19:24:11 +00:00
parent bac931cd73
commit 7f6f58266d
3 changed files with 277 additions and 19 deletions
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263
policycoreutils-rhat.patch
View File

@ -28,19 +28,233 @@ diff --exclude-from=exclude --exclude=sepolgen-1.0.10 --exclude=gui --exclude=po
.TP
.B "\-t " | "\-\-tefile"
Indicates input file is a te (type enforcement) file. This can be used to translate old te format to new policy format.
diff --exclude-from=exclude --exclude=sepolgen-1.0.10 --exclude=gui --exclude=po -N -u -r nsapolicycoreutils/audit2allow/sepolgen-ifgen policycoreutils-2.0.34/audit2allow/sepolgen-ifgen
--- nsapolicycoreutils/audit2allow/sepolgen-ifgen 2007-07-16 14:20:41.000000000 -0400
+++ policycoreutils-2.0.34/audit2allow/sepolgen-ifgen 2007-12-20 14:19:50.000000000 -0500
@@ -80,7 +80,10 @@
if_set.to_file(f)
f.close()
- return 0
+ if refparser.success:
+ return 0
+ else:
+ return 1
if __name__ == "__main__":
sys.exit(main())
Binary files nsapolicycoreutils/audit2why/audit2why and policycoreutils-2.0.34/audit2why/audit2why differ
diff --exclude-from=exclude --exclude=sepolgen-1.0.10 --exclude=gui --exclude=po -N -u -r nsapolicycoreutils/audit2why/audit2why.c policycoreutils-2.0.34/audit2why/audit2why.c
--- nsapolicycoreutils/audit2why/audit2why.c 2007-07-16 14:20:41.000000000 -0400
+++ policycoreutils-2.0.34/audit2why/audit2why.c 2007-12-19 06:05:50.000000000 -0500
@@ -137,6 +137,8 @@
+++ policycoreutils-2.0.34/audit2why/audit2why.c 2007-12-20 11:04:10.000000000 -0500
@@ -22,27 +22,151 @@
exit(rc);
}
+struct bool_t {
+ const sepol_bool_t * boolean;
+ char *name;
+ int active;
+};
+
+static struct bool_t **boollist = NULL;
+static int boolcnt = 0;
+
+struct access_t {
+ sepol_handle_t *handle;
+ sepol_policydb_t *policydb;
+ sepol_security_id_t ssid;
+ sepol_security_id_t tsid;
+ sepol_security_class_t tclass;
+ sepol_access_vector_t av;
+};
+
+static int load_booleans (const sepol_bool_t * boolean,
+ void *arg __attribute__ ((__unused__)) ) {
+ boollist[boolcnt] = (struct bool_t *) malloc(sizeof (struct bool_t));
+ boollist[boolcnt]->boolean = boolean;
+ boollist[boolcnt]->name = strdup(sepol_bool_get_name(boolean));
+ boollist[boolcnt]->active = sepol_bool_get_value(boolean);
+ boolcnt++;
+ return 0;
+}
+
+static int check_booleans (struct access_t *access) {
+ struct sepol_av_decision avd;
+ unsigned int reason;
+ int rc;
+ int i;
+ sepol_bool_key_t *key=NULL;
+ int fcnt = 0;
+ int *foundlist = calloc(boolcnt, sizeof(int));
+ if (!foundlist) {
+ fprintf(stderr,
+ "Out of memory.\n");
+ return -1;
+ }
+ for (i=0; i < boolcnt; i++) {
+ char *name = boollist[i]->name;
+ int active = boollist[i]->active;
+ sepol_bool_t * boolean = (sepol_bool_t *) boollist[i]->boolean;
+ rc = sepol_bool_key_create(access->handle,
+ name,
+ &key);
+ if (rc < 0) {
+ fprintf(stderr,
+ "Could not create boolean key.\n");
+ rc = -1;
+ break;
+ }
+ sepol_bool_set_value(boolean, !active);
+
+ rc = sepol_bool_set(access->handle,
+ access->policydb,
+ key,
+ boolean);
+ if (rc < 0) {
+ fprintf(stderr,
+ "Could not set boolean data %s.\n", name);
+ rc = -1;
+ break;
+ }
+
+ /* Reproduce the computation. */
+ rc = sepol_compute_av_reason(access->ssid, access->tsid, access->tclass, access->av, &avd, &reason);
+ if (rc < 0) {
+ fprintf(stderr,
+ "Error during access vector computation, skipping...\n");
+ rc = -1;
+ break;
+ } else {
+ if (!reason) {
+ foundlist[fcnt] = i;
+ fcnt++;
+ rc = 0;
+ }
+ sepol_bool_set_value((sepol_bool_t*)boolean, active);
+ rc = sepol_bool_set(access->handle,
+ access->policydb,
+ key,
+ (sepol_bool_t*) boolean);
+ if (rc < 0) {
+ fprintf(stderr,
+ "Could not set boolean data %s.\n", name);
+ rc = -1;
+ break;
+ }
+ }
+ sepol_bool_key_free(key);
+ key=NULL;
+ }
+ if (key)
+ sepol_bool_key_free(key);
+
+ if (fcnt > 0) {
+ printf("\tA boolean being set incorrectly.\n");
+ for (i = 0; i < fcnt; i++) {
+ int ctr = foundlist[i];
+ char *name = boollist[ctr]->name;
+ int active = boollist[ctr]->active;
+ printf("\n\tBoolean %s is %d.\n\tExecute the following to allow access:\n", name, active);
+ printf("\t# setsebool -P %s %d\n", name, !active);
+ }
+ }
+
+ free(foundlist);
+ return rc;
+}
+
+
int main(int argc, char **argv)
{
char path[PATH_MAX];
char *buffer = NULL, *bufcopy = NULL;
- unsigned int lineno = 0;
+ unsigned int lineno = 0, cnt;
size_t len = 0, bufcopy_len = 0;
- FILE *fp;
+ FILE *fp, *avcp=stdin;
int opt, rc, set_path = 0;
char *p, *scon, *tcon, *tclassstr, *permstr;
sepol_security_id_t ssid, tsid;
sepol_security_class_t tclass;
sepol_access_vector_t perm, av;
+ struct access_t access;
struct sepol_av_decision avd;
unsigned int reason;
int vers = 0;
sidtab_t sidtab;
policydb_t policydb;
struct policy_file pf;
-
- while ((opt = getopt(argc, argv, "p:?h")) > 0) {
+
+ while ((opt = getopt(argc, argv, "i:p:?h")) > 0) {
switch (opt) {
+ case 'i':
+ avcp = fopen(optarg, "r");
+ if (!avcp) {
+ fprintf(stderr, "%s: unable to open %s: %s\n",
+ argv[0], path, strerror(errno));
+ exit(1);
+ }
+ break;
+
case 'p':
set_path = 1;
strncpy(path, optarg, PATH_MAX);
@@ -110,7 +234,6 @@
}
fclose(fp);
sepol_set_policydb(&policydb);
-
if (!set_path) {
/* If they didn't specify a full path of a binary policy file,
then also try loading any boolean settings and user
@@ -125,6 +248,30 @@
(void)sepol_genusers_policydb(&policydb, selinux_users_path());
}
+ access.handle = sepol_handle_create();
+ access.policydb = (sepol_policydb_t *) &policydb,
+
+ rc = sepol_bool_count(access.handle,
+ access.policydb,
+ &cnt);
+ if (rc < 0) {
+ fprintf(stderr, "%s: unable to get bool count\n", argv[0]);
+ exit(1);
+ }
+
+ boollist = calloc(cnt, sizeof(struct bool_t));
+ if (!boollist) {
+ fprintf(stderr, "%s: Out of memory\n", argv[0]);
+ exit(1);
+ }
+
+
+ sepol_bool_iterate(access.handle,
+ (const sepol_policydb_t *) &policydb,
+ load_booleans,
+ (void *)NULL);
+
+
/* Initialize the sidtab for subsequent use by sepol_context_to_sid
and sepol_compute_av_reason. */
rc = sepol_sidtab_init(&sidtab);
@@ -135,8 +282,10 @@
sepol_set_sidtab(&sidtab);
/* Process the audit messages. */
while (getline(&buffer, &len, stdin) > 0) {
- while (getline(&buffer, &len, stdin) > 0) {
+ while (getline(&buffer, &len, avcp) > 0) {
size_t len2 = strlen(buffer);
+ char *begin, *end, *search_buf;
+ int slen = 0;
if (buffer[len2 - 1] == '\n')
buffer[len2 - 1] = 0;
@@ -179,6 +181,7 @@
@@ -179,6 +328,7 @@
}
*p++ = 0;
@ -48,7 +262,7 @@ diff --exclude-from=exclude --exclude=sepolgen-1.0.10 --exclude=gui --exclude=po
/* Get scontext and convert to SID. */
while (*p && strncmp(p, SCONTEXT, sizeof(SCONTEXT) - 1))
p++;
@@ -188,11 +191,14 @@
@@ -188,11 +338,14 @@
continue;
}
p += sizeof(SCONTEXT) - 1;
@ -66,7 +280,7 @@ diff --exclude-from=exclude --exclude=sepolgen-1.0.10 --exclude=gui --exclude=po
rc = sepol_context_to_sid(scon, strlen(scon) + 1, &ssid);
if (rc < 0) {
fprintf(stderr,
@@ -201,6 +207,10 @@
@@ -201,6 +354,10 @@
continue;
}
@ -77,7 +291,7 @@ diff --exclude-from=exclude --exclude=sepolgen-1.0.10 --exclude=gui --exclude=po
/* Get tcontext and convert to SID. */
while (*p && strncmp(p, TCONTEXT, sizeof(TCONTEXT) - 1))
p++;
@@ -210,11 +220,15 @@
@@ -210,11 +367,15 @@
continue;
}
p += sizeof(TCONTEXT) - 1;
@ -96,7 +310,7 @@ diff --exclude-from=exclude --exclude=sepolgen-1.0.10 --exclude=gui --exclude=po
rc = sepol_context_to_sid(tcon, strlen(tcon) + 1, &tsid);
if (rc < 0) {
fprintf(stderr,
@@ -222,6 +236,9 @@
@@ -222,6 +383,9 @@
TCONTEXT, tcon, lineno);
continue;
}
@ -106,7 +320,7 @@ diff --exclude-from=exclude --exclude=sepolgen-1.0.10 --exclude=gui --exclude=po
/* Get tclass= and convert to value. */
while (*p && strncmp(p, TCLASS, sizeof(TCLASS) - 1))
@@ -232,12 +249,17 @@
@@ -232,12 +396,17 @@
continue;
}
p += sizeof(TCLASS) - 1;
@ -127,6 +341,37 @@ diff --exclude-from=exclude --exclude=sepolgen-1.0.10 --exclude=gui --exclude=po
if (!tclass) {
fprintf(stderr,
"Invalid %s%s on line %u, skipping...\n",
@@ -286,11 +455,16 @@
}
if (reason & SEPOL_COMPUTEAV_TE) {
- printf("\t\tMissing or disabled TE allow rule.\n");
- printf
- ("\t\tAllow rules may exist but be disabled by boolean settings; check boolean settings.\n");
- printf
- ("\t\tYou can see the necessary allow rules by running audit2allow with this audit message as input.\n");
+ access.ssid = ssid;
+ access.tsid = tsid;
+ access.tclass = tclass;
+ access.av = av;
+
+ if (check_booleans(&access) < 0) {
+ printf("\t\tMissing or disabled TE allow rule.\n");
+ printf
+ ("\t\tYou can see the necessary allow rules by running audit2allow with this audit message as input.\n");
+ }
}
if (reason & SEPOL_COMPUTEAV_CONS) {
@@ -309,5 +483,8 @@
}
free(buffer);
free(bufcopy);
+ if (avcp != stdin)
+ fclose(avcp);
+
exit(0);
}
diff --exclude-from=exclude --exclude=sepolgen-1.0.10 --exclude=gui --exclude=po -N -u -r nsapolicycoreutils/Makefile policycoreutils-2.0.34/Makefile
--- nsapolicycoreutils/Makefile 2007-12-19 06:02:52.000000000 -0500
+++ policycoreutils-2.0.34/Makefile 2007-12-19 06:06:04.000000000 -0500

22
policycoreutils-sepolgen.patch
View File

@ -1,6 +1,6 @@
diff --exclude-from=exclude -N -u -r nsasepolgen/src/sepolgen/refparser.py policycoreutils-2.0.34/sepolgen-1.0.10/src/sepolgen/refparser.py
--- nsasepolgen/src/sepolgen/refparser.py 2007-09-13 08:21:11.000000000 -0400
+++ policycoreutils-2.0.34/sepolgen-1.0.10/src/sepolgen/refparser.py 2007-12-19 06:05:51.000000000 -0500
+++ policycoreutils-2.0.34/sepolgen-1.0.10/src/sepolgen/refparser.py 2007-12-20 14:20:49.000000000 -0500
@@ -118,6 +118,7 @@
'TEMPLATE',
'GEN_CONTEXT',
@ -30,7 +30,7 @@ diff --exclude-from=exclude -N -u -r nsasepolgen/src/sepolgen/refparser.py polic
def t_refpolicywarn(t):
r'refpolicywarn\(.*\n'
# Ignore refpolicywarn statements - they sometimes
@@ -258,6 +266,7 @@
@@ -258,10 +266,12 @@
m = None
# error is either None (indicating no error) or a string error message.
error = None
@ -38,7 +38,12 @@ diff --exclude-from=exclude -N -u -r nsasepolgen/src/sepolgen/refparser.py polic
# spt is the support macros (e.g., obj/perm sets) - it is an instance of
# refpolicy.SupportMacros and should always be present during parsing
# though it may not contain any macros.
@@ -382,6 +391,19 @@
spt = None
+success=True
# utilities
def collect(stmts, parent, val=None):
@@ -382,6 +392,19 @@
collect(p[12], x, val=False)
p[0] = [x]
@ -58,7 +63,7 @@ diff --exclude-from=exclude -N -u -r nsasepolgen/src/sepolgen/refparser.py polic
def p_ifdef(p):
'''ifdef : IFDEF OPAREN TICK IDENTIFIER SQUOTE COMMA TICK interface_stmts SQUOTE CPAREN optional_semi
| IFNDEF OPAREN TICK IDENTIFIER SQUOTE COMMA TICK interface_stmts SQUOTE CPAREN optional_semi
@@ -446,6 +468,7 @@
@@ -446,6 +469,7 @@
| optional_policy
| tunable_policy
| ifdef
@ -66,17 +71,20 @@ diff --exclude-from=exclude -N -u -r nsasepolgen/src/sepolgen/refparser.py polic
| conditional
'''
p[0] = p[1]
@@ -844,7 +867,8 @@
@@ -844,8 +868,11 @@
def p_error(tok):
global error
- error = "Syntax error on line %d %s [type=%s]" % (tok.lineno, tok.value, tok.type)
+ global parse_file
+ global success
+ error = "%s: Syntax error on line %d %s [type=%s]" % (parse_file, tok.lineno, tok.value, tok.type)
print error
+ success = False
def prep_spt(spt):
@@ -892,7 +916,7 @@
if not spt:
@@ -892,7 +919,7 @@
def list_headers(root):
modules = []
support_macros = None
@ -85,7 +93,7 @@ diff --exclude-from=exclude -N -u -r nsasepolgen/src/sepolgen/refparser.py polic
for dirpath, dirnames, filenames in os.walk(root):
for name in filenames:
@@ -941,12 +965,14 @@
@@ -941,12 +968,14 @@
output.write(msg)
def parse_file(f, module, spt=None):

11
policycoreutils.spec
View File

@ -6,7 +6,7 @@
Summary: SELinux policy core utilities
Name: policycoreutils
Version: 2.0.34
Release: 1%{?dist}
Release: 2%{?dist}
License: GPLv2+
Group: System Environment/Base
Source: http://www.nsa.gov/selinux/archives/policycoreutils-%{version}.tgz
@ -193,9 +193,14 @@ if [ "$1" -ge "1" ]; then
fi
%changelog
* Tue Dec 19 2007 Dan Walsh <dwalsh@redhat.com> 2.0.34-1
* Thu Dec 20 2007 Dan Walsh <dwalsh@redhat.com> 2.0.34-2
- Make sepolgen set error exit code when partial failure
- audit2why now checks booleans for avc diagnosis
* Wed Dec 19 2007 Dan Walsh <dwalsh@redhat.com> 2.0.34-1
- Update to upstream
* Tue Dec 19 2007 Dan Walsh <dwalsh@redhat.com> 2.0.33-4
* Wed Dec 19 2007 Dan Walsh <dwalsh@redhat.com> 2.0.33-4
- Fix sepolgen to be able to parse Fedora 9 policy
Handle ifelse statements
Handle refpolicywarn inside of define