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fixes for issues found in Coverity scan

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This commit is contained in:
Tomas Mraz 2020-05-04 18:14:17 +02:00
parent 69a5deff0b
commit d9ddd85598
2 changed files with 327 additions and 1 deletions
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319
gnupg-2.2.20-coverity.patch Normal file
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@ -0,0 +1,319 @@
diff -up gnupg-2.2.20/common/server-help.c.coverity gnupg-2.2.20/common/server-help.c
--- gnupg-2.2.20/common/server-help.c.coverity 2019-02-11 10:59:34.000000000 +0100
+++ gnupg-2.2.20/common/server-help.c 2020-05-04 12:00:01.085945639 +0200
@@ -156,7 +156,7 @@ get_option_value (char *line, const char
*pend = 0;
*r_value = xtrystrdup (p);
*pend = c;
- if (!p)
+ if (!*r_value)
return my_error_from_syserror ();
return 0;
}
diff -up gnupg-2.2.20/dirmngr/dns.c.coverity gnupg-2.2.20/dirmngr/dns.c
--- gnupg-2.2.20/dirmngr/dns.c.coverity 2019-07-09 11:08:45.000000000 +0200
+++ gnupg-2.2.20/dirmngr/dns.c 2020-05-04 18:04:12.285521661 +0200
@@ -10106,9 +10106,8 @@ static const struct {
{ "AR", DNS_S_ADDITIONAL },
};
-const char *(dns_strsection)(enum dns_section section) {
- char _dst[DNS_STRMAXLEN + 1] = { 0 };
- struct dns_buf dst = DNS_B_INTO(_dst, sizeof _dst);
+const char *(dns_strsection)(enum dns_section section, void *_dst, size_t lim) {
+ struct dns_buf dst = DNS_B_INTO(_dst, lim);
unsigned i;
for (i = 0; i < lengthof(dns_sections); i++) {
@@ -10156,9 +10155,8 @@ static const struct {
{ "IN", DNS_C_IN },
};
-const char *(dns_strclass)(enum dns_class type) {
- char _dst[DNS_STRMAXLEN + 1] = { 0 };
- struct dns_buf dst = DNS_B_INTO(_dst, sizeof _dst);
+const char *(dns_strclass)(enum dns_class type, void *_dst, size_t lim) {
+ struct dns_buf dst = DNS_B_INTO(_dst, lim);
unsigned i;
for (i = 0; i < lengthof(dns_classes); i++) {
@@ -10193,9 +10191,8 @@ enum dns_class dns_iclass(const char *na
} /* dns_iclass() */
-const char *(dns_strtype)(enum dns_type type) {
- char _dst[DNS_STRMAXLEN + 1] = { 0 };
- struct dns_buf dst = DNS_B_INTO(_dst, sizeof _dst);
+const char *(dns_strtype)(enum dns_type type, void *_dst, size_t lim) {
+ struct dns_buf dst = DNS_B_INTO(_dst, lim);
unsigned i;
for (i = 0; i < lengthof(dns_rrtypes); i++) {
diff -up gnupg-2.2.20/dirmngr/dns.h.coverity gnupg-2.2.20/dirmngr/dns.h
--- gnupg-2.2.20/dirmngr/dns.h.coverity 2019-03-07 13:03:26.000000000 +0100
+++ gnupg-2.2.20/dirmngr/dns.h 2020-05-04 18:04:12.287521625 +0200
@@ -272,15 +272,25 @@ enum dns_rcode {
*/
#define DNS_STRMAXLEN 47 /* "QUESTION|ANSWER|AUTHORITY|ADDITIONAL" */
-DNS_PUBLIC const char *dns_strsection(enum dns_section);
+DNS_PUBLIC const char *dns_strsection(enum dns_section, void *, size_t);
+#define dns_strsection3(a, b, c) \
+ dns_strsection((a), (b), (c))
+#define dns_strsection1(a) dns_strsection((a), (char [DNS_STRMAXLEN + 1]){ 0 }, DNS_STRMAXLEN + 1)
+#define dns_strsection(...) DNS_PP_CALL(DNS_PP_XPASTE(dns_strsection, DNS_PP_NARG(__VA_ARGS__)), __VA_ARGS__)
DNS_PUBLIC enum dns_section dns_isection(const char *);
-DNS_PUBLIC const char *dns_strclass(enum dns_class);
+DNS_PUBLIC const char *dns_strclass(enum dns_class, void *, size_t);
+#define dns_strclass3(a, b, c) dns_strclass((a), (b), (c))
+#define dns_strclass1(a) dns_strclass((a), (char [DNS_STRMAXLEN + 1]){ 0 }, DNS_STRMAXLEN + 1)
+#define dns_strclass(...) DNS_PP_CALL(DNS_PP_XPASTE(dns_strclass, DNS_PP_NARG(__VA_ARGS__)), __VA_ARGS__)
DNS_PUBLIC enum dns_class dns_iclass(const char *);
-DNS_PUBLIC const char *dns_strtype(enum dns_type);
+DNS_PUBLIC const char *dns_strtype(enum dns_type, void *, size_t);
+#define dns_strtype3(a, b, c) dns_strtype((a), (b), (c))
+#define dns_strtype1(a) dns_strtype((a), (char [DNS_STRMAXLEN + 1]){ 0 }, DNS_STRMAXLEN + 1)
+#define dns_strtype(...) DNS_PP_CALL(DNS_PP_XPASTE(dns_strtype, DNS_PP_NARG(__VA_ARGS__)), __VA_ARGS__)
DNS_PUBLIC enum dns_type dns_itype(const char *);
diff -up gnupg-2.2.20/dirmngr/domaininfo.c.coverity gnupg-2.2.20/dirmngr/domaininfo.c
--- gnupg-2.2.20/dirmngr/domaininfo.c.coverity 2019-07-09 11:08:45.000000000 +0200
+++ gnupg-2.2.20/dirmngr/domaininfo.c 2020-05-04 17:54:30.800899152 +0200
@@ -193,6 +193,7 @@ insert_or_update (const char *domain,
log_error ("domaininfo: error allocating helper array: %s\n",
gpg_strerror (gpg_err_code_from_syserror ()));
drop_extra = bucket;
+ xfree (di_new);
goto leave;
}
narray = 0;
@@ -258,6 +259,8 @@ insert_or_update (const char *domain,
* sensible strategy. */
drop_extra = domainbuckets[hash];
domainbuckets[hash] = keep;
+
+ xfree (array);
}
/* Insert */
diff -up gnupg-2.2.20/dirmngr/http.c.coverity gnupg-2.2.20/dirmngr/http.c
--- gnupg-2.2.20/dirmngr/http.c.coverity 2019-11-18 18:44:33.000000000 +0100
+++ gnupg-2.2.20/dirmngr/http.c 2020-05-04 17:00:47.826878715 +0200
@@ -3656,7 +3656,6 @@ http_prepare_redirect (http_redir_info_t
if (!newurl)
{
err = gpg_error_from_syserror ();
- http_release_parsed_uri (locuri);
return err;
}
}
@@ -3675,7 +3674,6 @@ http_prepare_redirect (http_redir_info_t
if (!newurl)
{
err = gpg_error_from_syserror ();
- http_release_parsed_uri (locuri);
return err;
}
}
diff -up gnupg-2.2.20/dirmngr/ks-engine-hkp.c.coverity gnupg-2.2.20/dirmngr/ks-engine-hkp.c
--- gnupg-2.2.20/dirmngr/ks-engine-hkp.c.coverity 2019-11-18 18:44:33.000000000 +0100
+++ gnupg-2.2.20/dirmngr/ks-engine-hkp.c 2020-05-04 12:39:49.970920664 +0200
@@ -1426,7 +1426,7 @@ ks_hkp_search (ctrl_t ctrl, parsed_uri_t
int reselect;
unsigned int httpflags;
char *httphost = NULL;
- unsigned int http_status;
+ unsigned int http_status = 0;
unsigned int tries = SEND_REQUEST_RETRIES;
unsigned int extra_tries = SEND_REQUEST_EXTRA_RETRIES;
diff -up gnupg-2.2.20/g10/card-util.c.coverity gnupg-2.2.20/g10/card-util.c
--- gnupg-2.2.20/g10/card-util.c.coverity 2020-03-03 13:33:22.000000000 +0100
+++ gnupg-2.2.20/g10/card-util.c 2020-05-04 16:56:47.788157786 +0200
@@ -704,7 +704,7 @@ card_status (ctrl_t ctrl, estream_t fp,
{
int err;
strlist_t card_list, sl;
- char *serialno0, *serialno1;
+ char *serialno0, *serialno1 = NULL;
int all_cards = 0;
int any_card = 0;
@@ -749,6 +749,7 @@ card_status (ctrl_t ctrl, estream_t fp,
current_card_status (ctrl, fp, NULL, 0);
xfree (serialno1);
+ serialno1 = NULL;
if (!all_cards)
goto leave;
diff -up gnupg-2.2.20/g10/import.c.coverity gnupg-2.2.20/g10/import.c
--- gnupg-2.2.20/g10/import.c.coverity 2020-05-04 12:34:39.820379830 +0200
+++ gnupg-2.2.20/g10/import.c 2020-05-04 12:34:55.366106195 +0200
@@ -1888,7 +1888,7 @@ import_one_real (ctrl_t ctrl,
if (opt.interactive && !silent)
{
- if (is_status_enabled())
+ if (uidnode && is_status_enabled())
print_import_check (pk, uidnode->pkt->pkt.user_id);
merge_keys_and_selfsig (ctrl, keyblock);
tty_printf ("\n");
diff -up gnupg-2.2.20/g10/keygen.c.coverity gnupg-2.2.20/g10/keygen.c
--- gnupg-2.2.20/g10/keygen.c.coverity 2020-05-04 12:23:04.852613017 +0200
+++ gnupg-2.2.20/g10/keygen.c 2020-05-04 17:33:18.923891110 +0200
@@ -3075,7 +3075,7 @@ parse_key_parameter_part (ctrl_t ctrl,
char *endp;
const char *curve = NULL;
int ecdh_or_ecdsa = 0;
- unsigned int size;
+ unsigned int size = 0;
int keyuse;
int i;
const char *s;
@@ -5719,12 +5719,20 @@ gen_card_key (int keyno, int algo, int i
the self-signatures. */
err = agent_readkey (NULL, 1, keyid, &public);
if (err)
- return err;
+ {
+ xfree (pkt);
+ xfree (pk);
+ return err;
+ }
err = gcry_sexp_sscan (&s_key, NULL, public,
gcry_sexp_canon_len (public, 0, NULL, NULL));
xfree (public);
if (err)
- return err;
+ {
+ xfree (pkt);
+ xfree (pk);
+ return err;
+ }
if (algo == PUBKEY_ALGO_RSA)
err = key_from_sexp (pk->pkey, s_key, "public-key", "ne");
@@ -5739,6 +5747,7 @@ gen_card_key (int keyno, int algo, int i
if (err)
{
log_error ("key_from_sexp failed: %s\n", gpg_strerror (err) );
+ xfree (pkt);
free_public_key (pk);
return err;
}
diff -up gnupg-2.2.20/g10/sig-check.c.coverity gnupg-2.2.20/g10/sig-check.c
--- gnupg-2.2.20/g10/sig-check.c.coverity 2020-05-04 12:18:18.515653963 +0200
+++ gnupg-2.2.20/g10/sig-check.c 2020-05-04 12:18:33.599388425 +0200
@@ -902,6 +902,7 @@ check_signature_over_key_or_uid (ctrl_t
{
/* Issued by a subkey. */
signer = subk;
+ *is_selfsig = 1;
break;
}
}
diff -up gnupg-2.2.20/g10/sign.c.coverity gnupg-2.2.20/g10/sign.c
--- gnupg-2.2.20/g10/sign.c.coverity 2020-04-30 11:56:43.909360043 +0200
+++ gnupg-2.2.20/g10/sign.c 2020-05-04 12:08:56.651544958 +0200
@@ -823,7 +823,7 @@ write_signature_packets (ctrl_t ctrl,
PKT_public_key *pk;
PKT_signature *sig;
gcry_md_hd_t md;
- gpg_error_t err;
+ gpg_error_t err = 0;
pk = sk_rover->pk;
diff -up gnupg-2.2.20/kbx/keybox-dump.c.coverity gnupg-2.2.20/kbx/keybox-dump.c
--- gnupg-2.2.20/kbx/keybox-dump.c.coverity 2019-08-23 15:59:06.000000000 +0200
+++ gnupg-2.2.20/kbx/keybox-dump.c 2020-05-04 17:25:53.365946213 +0200
@@ -786,11 +786,15 @@ _keybox_dump_cut_records (const char *fi
while ( !(rc = _keybox_read_blob (&blob, fp, NULL)) )
{
if (recno > to)
- break; /* Ready. */
+ {
+ _keybox_release_blob (blob);
+ break; /* Ready. */
+ }
if (recno >= from)
{
if ((rc = _keybox_write_blob (blob, outfp)))
{
+ _keybox_release_blob (blob);
fprintf (stderr, "error writing output: %s\n",
gpg_strerror (rc));
goto leave;
diff -up gnupg-2.2.20/tools/gpg-wks-server.c.coverity gnupg-2.2.20/tools/gpg-wks-server.c
--- gnupg-2.2.20/tools/gpg-wks-server.c.coverity 2020-02-10 16:12:13.000000000 +0100
+++ gnupg-2.2.20/tools/gpg-wks-server.c 2020-05-04 11:52:42.547643198 +0200
@@ -890,15 +890,18 @@ store_key_as_pending (const char *dir, e
}
leave:
- if (err)
+ if (fname)
{
- es_fclose (outfp);
- gnupg_remove (fname);
- }
- else if (es_fclose (outfp))
- {
- err = gpg_error_from_syserror ();
- log_error ("error closing '%s': %s\n", fname, gpg_strerror (err));
+ if (err)
+ {
+ es_fclose (outfp);
+ gnupg_remove (fname);
+ }
+ else if (es_fclose (outfp))
+ {
+ err = gpg_error_from_syserror ();
+ log_error ("error closing '%s': %s\n", fname, gpg_strerror (err));
+ }
}
if (!err)
diff -up gnupg-2.2.20/tools/wks-util.c.coverity gnupg-2.2.20/tools/wks-util.c
--- gnupg-2.2.20/tools/wks-util.c.coverity 2020-05-04 12:02:21.839475031 +0200
+++ gnupg-2.2.20/tools/wks-util.c 2020-05-04 17:23:19.552726949 +0200
@@ -948,7 +948,7 @@ ensure_policy_file (const char *addrspec
static gpg_error_t
install_key_from_spec_file (const char *fname)
{
- gpg_error_t err;
+ gpg_error_t err = 0;
estream_t fp;
char *line = NULL;
size_t linelen = 0;
@@ -1195,10 +1195,8 @@ wks_cmd_print_wkd_hash (const char *user
char *addrspec, *fname;
err = wks_fname_from_userid (userid, 1, &fname, &addrspec);
- if (err)
- return err;
-
- es_printf ("%s %s\n", fname, addrspec);
+ if (!err)
+ es_printf ("%s %s\n", fname, addrspec);
xfree (fname);
xfree (addrspec);
@@ -1216,7 +1214,10 @@ wks_cmd_print_wkd_url (const char *useri
err = wks_fname_from_userid (userid, 1, &fname, &addrspec);
if (err)
- return err;
+ {
+ xfree (addrspec);
+ return err;
+ }
domain = strchr (addrspec, '@');
if (domain)

9
gnupg2.spec
View File

@ -7,7 +7,7 @@
Summary: Utility for secure communication and data storage
Name: gnupg2
Version: 2.2.20
Release: 2%{?dist}
Release: 3%{?dist}
License: GPLv3+
Source0: ftp://ftp.gnupg.org/gcrypt/%{?pre:alpha/}gnupg/gnupg-%{version}%{?pre}.tar.bz2
@ -27,6 +27,8 @@ Patch9: gnupg-2.1.21-large-rsa.patch
Patch20: gnupg-2.2.18-tests-add-test-cases-for-import-without-uid.patch
Patch21: gnupg-2.2.18-gpg-allow-import-of-previously-known-keys-even-without-UI.patch
Patch22: gnupg-2.2.18-gpg-accept-subkeys-with-a-good-revocation-but-no-self-sig.patch
# Fixes for issues found in Coverity scan - reported upstream
Patch30: gnupg-2.2.20-coverity.patch
URL: http://www.gnupg.org/
@ -109,6 +111,8 @@ to the base GnuPG package
%patch21 -p1 -b .prev_known_key
%patch22 -p1 -b .good_revoc
%patch30 -p1 -b .coverity
# pcsc-lite library major: 0 in 1.2.0, 1 in 1.2.9+ (dlopen()'d in pcsc-wrapper)
# Note: this is just the name of the default shared lib to load in scdaemon,
# it can use other implementations too (including non-pcsc ones).
@ -220,6 +224,9 @@ make -k check
%changelog
* Mon May 4 2020 Tomáš Mráz <tmraz@redhat.com> - 2.2.20-3
- fixes for issues found in Coverity scan
* Thu Apr 30 2020 Tomáš Mráz <tmraz@redhat.com> - 2.2.20-2
- move systemd user units to _userunitdir (no activation by default)