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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:39:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:39:49 +0000
commita0aa2307322cd47bbf416810ac0292925e03be87 (patch)
tree37076262a026c4b48c8a0e84f44ff9187556ca35 /qa/coccinelle
parentInitial commit. (diff)
downloadsuricata-3c02481111c540a7642503dfcf0b62e8c69b6ff0.tar.xz
suricata-3c02481111c540a7642503dfcf0b62e8c69b6ff0.zip
Adding upstream version 1:7.0.3.upstream/1%7.0.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'qa/coccinelle')
-rw-r--r--qa/coccinelle/Makefile.am22
-rw-r--r--qa/coccinelle/Makefile.in547
-rw-r--r--qa/coccinelle/access-pkt-packet.cocci55
-rw-r--r--qa/coccinelle/banned-functions.cocci15
-rw-r--r--qa/coccinelle/direct-packet.cocci15
-rw-r--r--qa/coccinelle/malloc-error-check.cocci69
-rw-r--r--qa/coccinelle/pktnotset-packet.cocci29
-rw-r--r--qa/coccinelle/realloc.cocci18
-rwxr-xr-xqa/coccinelle/run_check.sh50
-rw-r--r--qa/coccinelle/siginit.cocci26
-rw-r--r--qa/coccinelle/size_t.cocci44
-rwxr-xr-xqa/coccinelle/struct-flags.py121
-rw-r--r--qa/coccinelle/sz3.cocci48
-rw-r--r--qa/coccinelle/uint.cocci13
14 files changed, 1072 insertions, 0 deletions
diff --git a/qa/coccinelle/Makefile.am b/qa/coccinelle/Makefile.am
new file mode 100644
index 0000000..1f78a74
--- /dev/null
+++ b/qa/coccinelle/Makefile.am
@@ -0,0 +1,22 @@
+EXTRA_DIST= access-pkt-packet.cocci \
+ banned-functions.cocci \
+ direct-packet.cocci \
+ malloc-error-check.cocci \
+ pktnotset-packet.cocci \
+ realloc.cocci \
+ siginit.cocci \
+ size_t.cocci \
+ sz3.cocci \
+ uint.cocci \
+ run_check.sh struct-flags.py
+
+if HAVE_COCCINELLE
+struct-flags.cocci:
+ $(srcdir)/struct-flags.py $(top_srcdir)/src > $(top_builddir)/qa/coccinelle/struct-flags.cocci
+
+check: struct-flags.cocci
+ TOP_BUILDDIR=${abs_top_builddir} TOP_SRCDIR=$(abs_top_srcdir) $(top_srcdir)/qa/coccinelle/run_check.sh
+
+distclean-local:
+ -rm $(top_builddir)/qa/coccinelle/struct-flags.cocci
+endif
diff --git a/qa/coccinelle/Makefile.in b/qa/coccinelle/Makefile.in
new file mode 100644
index 0000000..da64830
--- /dev/null
+++ b/qa/coccinelle/Makefile.in
@@ -0,0 +1,547 @@
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+ install-info-am install-man install-pdf install-pdf-am \
+ install-ps install-ps-am install-strip installcheck \
+ installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-generic \
+ mostlyclean-libtool pdf pdf-am ps ps-am tags-am uninstall \
+ uninstall-am
+
+.PRECIOUS: Makefile
+
+
+@HAVE_COCCINELLE_TRUE@struct-flags.cocci:
+@HAVE_COCCINELLE_TRUE@ $(srcdir)/struct-flags.py $(top_srcdir)/src > $(top_builddir)/qa/coccinelle/struct-flags.cocci
+
+@HAVE_COCCINELLE_TRUE@check: struct-flags.cocci
+@HAVE_COCCINELLE_TRUE@ TOP_BUILDDIR=${abs_top_builddir} TOP_SRCDIR=$(abs_top_srcdir) $(top_srcdir)/qa/coccinelle/run_check.sh
+
+@HAVE_COCCINELLE_TRUE@distclean-local:
+@HAVE_COCCINELLE_TRUE@ -rm $(top_builddir)/qa/coccinelle/struct-flags.cocci
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/qa/coccinelle/access-pkt-packet.cocci b/qa/coccinelle/access-pkt-packet.cocci
new file mode 100644
index 0000000..3402b6d
--- /dev/null
+++ b/qa/coccinelle/access-pkt-packet.cocci
@@ -0,0 +1,55 @@
+@init@
+typedef Packet;
+Packet *p;
+expression E;
+statement S;
+@@
+
+(
+memset(p, ...);
+p->pkt = E;
+|
+p = SCCalloc(...);
+S
+p->pkt = E;
+)
+
+@pktfield depends on !init@
+identifier func !~ "^PacketCopyDataOffset$";
+Packet *p;
+position p1;
+@@
+
+func(...) {
+<...
+p->pkt@p1
+...>
+}
+
+@ script:python @
+p1 << pktfield.p1;
+@@
+
+print("Invalid Packet->pkt usage, GET_PKT_DATA macro must be used at %s:%s" % (p1[0].file, p1[0].line))
+import sys
+sys.exit(1)
+
+@pktlenfield@
+identifier func !~ "^PacketCopyDataOffset$";
+Packet *p;
+position p1;
+@@
+
+func(...) {
+<...
+p->pktlen@p1
+...>
+}
+
+@ script:python @
+p1 << pktlenfield.p1;
+@@
+
+print("Invalid Packet->pktlen usage, GET_PKT_LEN macro must be used at %s:%s" % (p1[0].file, p1[0].line))
+import sys
+sys.exit(1)
diff --git a/qa/coccinelle/banned-functions.cocci b/qa/coccinelle/banned-functions.cocci
new file mode 100644
index 0000000..1bd127e
--- /dev/null
+++ b/qa/coccinelle/banned-functions.cocci
@@ -0,0 +1,15 @@
+@banned@
+identifier i;
+position p1;
+@@
+
+\(strtok@i\|sprintf@i\|strcat@i\|strcpy@i\|strncpy@i\|strncat@i\|strchrnul@i\|atoi@i\|rand@i\|rand_r@i\|index@i\|rindex@i\|bzero@i\)(...)@p1
+
+@script:python@
+p1 << banned.p1;
+i << banned.i;
+@@
+
+print("Banned function '%s' used at %s:%s" % (i, p1[0].file, p1[0].line))
+import sys
+sys.exit(1)
diff --git a/qa/coccinelle/direct-packet.cocci b/qa/coccinelle/direct-packet.cocci
new file mode 100644
index 0000000..b184225
--- /dev/null
+++ b/qa/coccinelle/direct-packet.cocci
@@ -0,0 +1,15 @@
+@directpacket@
+identifier p;
+typedef Packet;
+position p1;
+@@
+
+Packet p@p1;
+
+@ script:python @
+p1 << directpacket.p1;
+@@
+
+print("Invalid Packet definition, explicit allocation must be used at %s:%s" % (p1[0].file, p1[0].line))
+import sys
+sys.exit(1)
diff --git a/qa/coccinelle/malloc-error-check.cocci b/qa/coccinelle/malloc-error-check.cocci
new file mode 100644
index 0000000..ce4d0cc
--- /dev/null
+++ b/qa/coccinelle/malloc-error-check.cocci
@@ -0,0 +1,69 @@
+@malloced@
+expression x;
+position p1;
+identifier func =~ "(SCMalloc|SCStrdup|SCCalloc|SCMallocAligned|SCRealloc)";
+@@
+
+x@p1 = func(...)
+
+@inlinetested@
+expression x, E;
+statement S;
+position malloced.p1;
+identifier func =~ "(SCMalloc|SCStrdup|SCCalloc|SCMallocAligned|SCRealloc)";
+@@
+
+(
+if ((x@p1 = func(...)) == NULL) S
+|
+if (E && (x@p1 = func(...)) == NULL) S
+)
+
+@realloc exists@
+position malloced.p1;
+expression x, E1;
+identifier func =~ "(SCMalloc|SCCalloc|SCMallocAligned)";
+@@
+
+x@p1 = func(...)
+... when != x
+x = SCRealloc(x, E1)
+
+@istested depends on !realloc exists@
+expression x, E1;
+position malloced.p1;
+statement S1, S2;
+identifier func =~ "(SCMalloc|SCStrdup|SCCalloc|SCMallocAligned|SCRealloc)";
+@@
+
+x@p1 = func(...)
+... when != x
+(
+if (unlikely(x == NULL)) S1
+|
+if (unlikely(x == NULL)) S1 else S2
+|
+if (likely(x != NULL)) S1
+|
+if (x == NULL) S1
+|
+if (x != NULL) S1 else S2
+|
+if (x && E1) S1
+|
+BUG_ON(x == NULL)
+|
+FAIL_IF(x == NULL)
+|
+FAIL_IF(unlikely(x == NULL))
+|
+FAIL_IF_NULL(x)
+)
+
+
+@script:python depends on !realloc && !istested && !inlinetested@
+p1 << malloced.p1;
+@@
+print("Structure malloced at %s:%s but error is not checked." % (p1[0].file, p1[0].line))
+import sys
+sys.exit(1)
diff --git a/qa/coccinelle/pktnotset-packet.cocci b/qa/coccinelle/pktnotset-packet.cocci
new file mode 100644
index 0000000..1b10599
--- /dev/null
+++ b/qa/coccinelle/pktnotset-packet.cocci
@@ -0,0 +1,29 @@
+@zeroed@
+typedef Packet;
+typedef uint8_t;
+Packet *p;
+position p1;
+@@
+
+memset(p@p1, 0, ...);
+
+@isset@
+Packet *p;
+position zeroed.p1;
+@@
+
+memset(p@p1, 0, ...);
+... when != p
+(
+p->pkt
+|
+PacketInit(p)
+)
+
+@script:python depends on !isset@
+p1 << zeroed.p1;
+@@
+
+print("Packet zeroed at %s:%s but pkt field is not set afterward." % (p1[0].file, p1[0].line))
+import sys
+sys.exit(1)
diff --git a/qa/coccinelle/realloc.cocci b/qa/coccinelle/realloc.cocci
new file mode 100644
index 0000000..e9c4fc6
--- /dev/null
+++ b/qa/coccinelle/realloc.cocci
@@ -0,0 +1,18 @@
+@realloc@
+expression x, E;
+type ty;
+position p1;
+@@
+
+(
+x@p1 = SCRealloc(x, E)
+|
+x@p1 = (ty *) SCRealloc(x, E)
+)
+
+@script:python@
+p1 << realloc.p1;
+@@
+print("Structure reallocated at %s:%s but original pointer is lost and not freed in case of error." % (p1[0].file, p1[0].line))
+import sys
+sys.exit(1)
diff --git a/qa/coccinelle/run_check.sh b/qa/coccinelle/run_check.sh
new file mode 100755
index 0000000..325e173
--- /dev/null
+++ b/qa/coccinelle/run_check.sh
@@ -0,0 +1,50 @@
+#!/bin/sh
+
+if [ $1 ]; then
+ case $1 in
+ *[ch])
+ LIST=$@;
+ PREFIX=$(git rev-parse --show-toplevel)/
+ ;;
+ *..*)
+ LIST=$(git diff --pretty="format:" --name-only $1 | grep -E '[ch]$')
+ PREFIX=$(git rev-parse --show-toplevel)/
+ ;;
+ *)
+ LIST=$(git show --pretty="format:" --name-only $1 | grep -E '[ch]$')
+ PREFIX=$(git rev-parse --show-toplevel)/
+ ;;
+ esac
+elif git rev-parse > /dev/null 2>&1; then
+ LIST=$(git ls-tree -r --name-only --full-tree HEAD src/ | grep -E '*.c$')
+ PREFIX=$(git rev-parse --show-toplevel)/
+elif [ "${TOP_SRCDIR}" != "" ]; then
+ LIST=$(cd ${TOP_SRCDIR} && find src -name \*.[ch])
+ PREFIX=${TOP_SRCDIR}/
+fi
+
+if [ "${TOP_BUILDDIR}" != "" ]; then
+ BUILT_COCCI_FILES=$(ls ${TOP_BUILDDIR}/qa/coccinelle/*.cocci)
+else
+ BUILT_COCCI_FILES=""
+fi
+
+if [ -z "$CONCURRENCY_LEVEL" ]; then
+ CONCURRENCY_LEVEL=1
+ echo "No concurrency"
+else
+ echo "Using concurrency level $CONCURRENCY_LEVEL"
+fi
+
+for SMPL in ${PREFIX}qa/coccinelle/*.cocci ${BUILT_COCCI_FILES}; do
+ echo "Testing cocci file: $SMPL"
+ if command -v parallel >/dev/null; then
+ echo -n $LIST | parallel -d ' ' -j $CONCURRENCY_LEVEL spatch --very-quiet -sp_file $SMPL --undefined UNITTESTS $PREFIX{} || if [ -z "$NOT_TERMINAL" ]; then exit 1; fi
+ else
+ for FILE in $LIST ; do
+ spatch --very-quiet -sp_file $SMPL --undefined UNITTESTS $PREFIX$FILE || if [ -z "$NOT_TERMINAL" ]; then exit 1; fi
+ done
+ fi
+done
+
+exit 0
diff --git a/qa/coccinelle/siginit.cocci b/qa/coccinelle/siginit.cocci
new file mode 100644
index 0000000..2bfcbd6
--- /dev/null
+++ b/qa/coccinelle/siginit.cocci
@@ -0,0 +1,26 @@
+@siginit@
+identifier func =~ "Detect.*Setup";
+expression E1;
+position p1;
+identifier de_ctx, s, str, error;
+type DetectEngineCtx, Signature;
+@@
+
+func(DetectEngineCtx *de_ctx, Signature *s, char *str) {
+...
+SigMatchAppendSMToList(s, ...)@p1;
+...
+if (s->alproto != E1 && ...) {
+...
+goto error;
+}
+...
+}
+
+
+@script:python@
+p1 << siginit.p1;
+@@
+print("SigMatch added at %s:%s but error handling can cause it to be freed later." % (p1[0].file, p1[0].line))
+import sys
+sys.exit(1)
diff --git a/qa/coccinelle/size_t.cocci b/qa/coccinelle/size_t.cocci
new file mode 100644
index 0000000..89a13f8
--- /dev/null
+++ b/qa/coccinelle/size_t.cocci
@@ -0,0 +1,44 @@
+@sizet@
+size_t p;
+identifier func =~ "^(sprintf|printf|SCLog.*)$";
+identifier funcn =~ "^.*nprintf$";
+position p1;
+typedef uint16_t;
+typedef uint32_t;
+typedef uint64_t;
+expression E1, E2;
+@@
+
+(
+func(..., p, ...)@p1;
+|
+func(..., (int) p, ...)@p1;
+|
+func(..., (unsigned int) p, ...)@p1;
+|
+func(..., (uint16_t) p, ...)@p1;
+|
+func(..., (uint32_t) p, ...)@p1;
+|
+func(..., (uint64_t) p, ...)@p1;
+|
+funcn(E1, E2,..., p, ...)@p1;
+|
+funcn(E1, E2,..., (int) p, ...)@p1;
+|
+funcn(E1, E2,..., (unsigned int) p, ...)@p1;
+|
+funcn(E1, E2,..., (uint16_t) p, ...)@p1;
+|
+funcn(E1, E2,..., (uint32_t) p, ...)@p1;
+|
+funcn(E1, E2,..., (uint64_t) p, ...)@p1;
+)
+
+@ script:python @
+p1 << sizet.p1;
+@@
+
+print("Invalid printf with size_t (not casted to uintmax_t) at %s:%s" % (p1[0].file, p1[0].line))
+import sys
+sys.exit(1)
diff --git a/qa/coccinelle/struct-flags.py b/qa/coccinelle/struct-flags.py
new file mode 100755
index 0000000..3186cf6
--- /dev/null
+++ b/qa/coccinelle/struct-flags.py
@@ -0,0 +1,121 @@
+#!/usr/bin/env python
+import re
+import sys
+import os
+from string import Template
+
+if len(sys.argv) == 2:
+ SRC_DIR = sys.argv[1]
+else:
+ SRC_DIR = "../../src/"
+
+
+class Structure:
+ def __init__(self, string):
+ (self.struct, self.flags, self.values) = string.split(":")
+
+class SetterGetter:
+ def __init__(self, string):
+ (function, params, self.value) = string.split(":")
+ self.function = function.strip("()")
+ self.params = [int(a) for a in params.split(",")]
+
+
+cmd = "grep -h coccinelle ../../src/*[ch] | sed -e 's/.*coccinelle: \(.*\) \*\//\1/'"
+
+struct_list = []
+setter_getter_list = []
+
+dirList = os.listdir(SRC_DIR)
+for fname in dirList:
+ if re.search("\.[ch]$", fname):
+ for line in open(os.path.join(SRC_DIR, fname)):
+ if "coccinelle:" in line:
+ m = re.search("coccinelle: (.*) \*\/", line)
+ if "()" not in m.group(1):
+ struct = Structure(m.group(1))
+ struct_list.append(struct)
+ else:
+ function = SetterGetter(m.group(1))
+ setter_getter_list.append(function)
+
+header = "@flags@"
+body = []
+
+# Handle setter and getter
+setter_getter = [x.function for x in setter_getter_list]
+if len(setter_getter):
+ header += "\nidentifier NotSetterGetter !~ \"^(%s)$\";" % ("|".join(setter_getter))
+
+i = 0
+for struct in struct_list:
+ header += """
+%s *struct%d;
+identifier struct_flags%d =~ "^(?!%s).+";""" % (struct.struct, i, i, struct.values)
+
+ body.append("""
+struct%d->%s@p1 |= struct_flags%d
+|
+struct%d->%s@p1 & struct_flags%d
+|
+struct%d->%s@p1 &= ~struct_flags%d
+""" % (i, struct.flags, i, i, struct.flags, i, i, struct.flags, i))
+
+ i += 1
+
+print(header)
+print("position p1;")
+print("@@")
+print("")
+print("""
+NotSetterGetter(...)
+{
+ <...
+""")
+print("")
+print("(" + "|".join(body) + ")")
+print("")
+print("""
+...>
+}
+
+@script:python@
+p1 << flags.p1;
+@@
+
+print "Invalid usage of flags field at %s:%s, flags value is incorrect (wrong family)." % (p1[0].file, p1[0].line)
+import sys
+sys.exit(1)""")
+
+i = 1
+setter_template = """
+@settergetter${i}@
+identifier SetterGetter =~ "${function}";
+identifier f_flags =~ "^(?!${value}).+";
+identifier ${params_line};
+position p1;
+@@
+
+SetterGetter@p1(${prefix_param}f_flags${suffix_param})
+
+@script:python@
+p1 << settergetter${i}.p1;
+@@
+print "Invalid usage of ${function} at %s:%s, flags value is incorrect (wrong family)." % (p1[0].file, p1[0].line)
+import sys
+sys.exit(1)
+"""
+
+for sg in setter_getter_list:
+ prefix_param = ""
+ for index in list(range(1, sg.params[1])):
+ prefix_param += "param%d, " % (index)
+ if sg.params[1] < sg.params[0]:
+ suffix_param = ", " + ", ".join(["param%d" % (index + 1) for index in list(range(sg.params[1], sg.params[0]))])
+ else:
+ suffix_param = ""
+ params_elts = list(range(1, sg.params[1])) + list(range(sg.params[1] + 1, sg.params[0] + 1))
+ params_line = ", ".join(["param%d" % (x) for x in params_elts])
+ print(Template(setter_template).substitute(i=i, function=sg.function, value=sg.value,
+ prefix_param=prefix_param, suffix_param=suffix_param, params_line=params_line))
+ i += 1
diff --git a/qa/coccinelle/sz3.cocci b/qa/coccinelle/sz3.cocci
new file mode 100644
index 0000000..51459c7
--- /dev/null
+++ b/qa/coccinelle/sz3.cocci
@@ -0,0 +1,48 @@
+//
+// Take size of pointed value, not pointer
+//
+// Target: Linux, Generic
+// Copyright: 2012 - LIP6/INRIA
+// License: Licensed under GPLv2 or any later version.
+// Author: Julia Lawall <Julia.Lawall@lip6.fr>
+// URL: http://coccinelle.lip6.fr/
+// URL: http://coccinellery.org/
+// Modified by Eric Leblond <eric@regit.org> for suricata test system
+
+@preuse@
+expression *e;
+type T;
+identifier f;
+position p1;
+@@
+
+f(...,
+sizeof(e@p1)
+,...,(T)e,...)
+
+@ script:python @
+p1 << preuse.p1;
+@@
+
+print("Size of pointed value not pointer used at %s:%s" % (p1[0].file, p1[0].line))
+import sys
+sys.exit(1)
+
+@postuse@
+expression *e;
+type T;
+identifier f;
+position p1;
+@@
+
+f(...,(T)e,...,
+sizeof(e@p1)
+,...)
+
+@ script:python @
+p1 << postuse.p1;
+@@
+
+print("Size of pointed value not pointer used at %s:%s" % (p1[0].file, p1[0].line))
+import sys
+sys.exit(1)
diff --git a/qa/coccinelle/uint.cocci b/qa/coccinelle/uint.cocci
new file mode 100644
index 0000000..d7e6af7
--- /dev/null
+++ b/qa/coccinelle/uint.cocci
@@ -0,0 +1,13 @@
+@uint@
+uint i;
+position p1;
+@@
+
+i@p1
+
+@script:python@
+p1 << uint.p1;
+@@
+print("banned type uint used at at %s:%s, please use a explicit length." % (p1[0].file, p1[0].line))
+import sys
+sys.exit(1)