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746a6f073b
p11-kit/p11-kit-0.25.3-static-analysis.patch
Zoltan Fridrich 746a6f073b Fix issues found by static analysis 
Signed-off-by: Zoltan Fridrich <zfridric@redhat.com>
2024-05-21 14:53:15 +02:00

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From 58cd1c05e001a4fe250c15f3599e79974bc509e3 Mon Sep 17 00:00:00 2001
From: Zoltan Fridrich <zfridric@redhat.com>
Date: Thu, 16 Nov 2023 10:12:14 +0100
Subject: [PATCH] Fix issues found by static analysis
Signed-off-by: Zoltan Fridrich <zfridric@redhat.com>
---
common/frob-getprogname.c | 4 ++--
common/test.c | 4 +---
p11-kit/generate-keypair.c | 25 +++++++++----------------
p11-kit/import-object.c | 22 +++++-----------------
p11-kit/lists.c | 1 +
p11-kit/print-config.c | 4 +++-
p11-kit/rpc-client.c | 6 ++++--
p11-kit/test-uri.c | 4 ++--
trust/test-trust.c | 2 +-
9 files changed, 28 insertions(+), 44 deletions(-)
diff --git a/common/frob-getprogname.c b/common/frob-getprogname.c
index ead658cc8..46e3b7fd3 100644
--- a/common/frob-getprogname.c
+++ b/common/frob-getprogname.c
@@ -76,14 +76,14 @@ main (int argc,
execv (BUILDDIR "/common/frob-getprogname" EXEEXT, args);
} else {
int status;
- char buffer[1024];
+ char buffer[1024] = { 0 };
size_t offset = 0;
ssize_t nread;
char *p;
close (pfds[1]);
while (1) {
- nread = read (pfds[0], buffer + offset, sizeof(buffer) - offset);
+ nread = read (pfds[0], buffer + offset, sizeof(buffer) - offset - 1);
if (nread < 0) {
perror ("read");
exit (EXIT_FAILURE);
diff --git a/common/test.c b/common/test.c
index 3ed98da01..6cdbd1fa2 100644
--- a/common/test.c
+++ b/common/test.c
@@ -272,7 +272,6 @@ p11_testx (void (* function) (void *),
test_item item = { TEST, };
va_list va;
- item.type = TEST;
item.x.test.func = function;
item.x.test.argument = argument;
@@ -287,9 +286,8 @@ void
p11_fixture (void (* setup) (void *),
void (* teardown) (void *))
{
- test_item item;
+ test_item item = { FIXTURE, };
- item.type = FIXTURE;
item.x.fix.setup = setup;
item.x.fix.teardown = teardown;
diff --git a/p11-kit/generate-keypair.c b/p11-kit/generate-keypair.c
index 49dc11830..695103d1d 100644
--- a/p11-kit/generate-keypair.c
+++ b/p11-kit/generate-keypair.c
@@ -351,7 +351,7 @@ int
p11_kit_generate_keypair (int argc,
char *argv[])
{
- int opt, ret = 2;
+ int opt, ret;
char *label = NULL;
CK_ULONG bits = 0;
const uint8_t *ec_params = NULL;
@@ -396,31 +396,27 @@ p11_kit_generate_keypair (int argc,
while ((opt = p11_tool_getopt (argc, argv, options)) != -1) {
switch (opt) {
case opt_label:
- label = strdup (optarg);
- if (label == NULL) {
- p11_message (_("failed to allocate memory"));
- goto cleanup;
- }
+ label = optarg;
break;
case opt_type:
mechanism = get_mechanism (optarg);
if (mechanism.mechanism == CKA_INVALID) {
p11_message (_("unknown mechanism type: %s"), optarg);
- goto cleanup;
+ return 2;
}
break;
case opt_bits:
bits = strtol (optarg, NULL, 10);
if (bits == 0) {
p11_message (_("failed to parse bits value: %s"), optarg);
- goto cleanup;
+ return 2;
}
break;
case opt_curve:
ec_params = get_ec_params (optarg, &ec_params_len);
if (ec_params == NULL) {
p11_message (_("unknown curve name: %s"), optarg);
- goto cleanup;
+ return 2;
}
break;
case opt_login:
@@ -434,10 +430,9 @@ p11_kit_generate_keypair (int argc,
break;
case opt_help:
p11_tool_usage (usages, options);
- ret = 0;
- goto cleanup;
+ return 0;
case '?':
- goto cleanup;
+ return 2;
default:
assert_not_reached ();
break;
@@ -449,11 +444,11 @@ p11_kit_generate_keypair (int argc,
if (argc != 1) {
p11_tool_usage (usages, options);
- goto cleanup;
+ return 2;
}
if (!check_args (mechanism.mechanism, bits, ec_params))
- goto cleanup;
+ return 2;
#ifdef OS_UNIX
/* Register a fallback PIN callback that reads from terminal.
@@ -464,11 +459,9 @@ p11_kit_generate_keypair (int argc,
ret = generate_keypair (*argv, label, mechanism, bits, ec_params, ec_params_len, login);
-cleanup:
#ifdef OS_UNIX
p11_kit_pin_unregister_callback ("tty", p11_pin_tty_callback, NULL);
#endif
- free (label);
return ret;
}
diff --git a/p11-kit/import-object.c b/p11-kit/import-object.c
index 270a0e027..feee07659 100644
--- a/p11-kit/import-object.c
+++ b/p11-kit/import-object.c
@@ -500,7 +500,7 @@ int
p11_kit_import_object (int argc,
char *argv[])
{
- int opt, ret = 2;
+ int opt, ret;
char *label = NULL;
char *file = NULL;
bool login = false;
@@ -536,18 +536,10 @@ p11_kit_import_object (int argc,
while ((opt = p11_tool_getopt (argc, argv, options)) != -1) {
switch (opt) {
case opt_label:
- label = strdup (optarg);
- if (label == NULL) {
- p11_message (_("failed to allocate memory"));
- goto cleanup;
- }
+ label = optarg;
break;
case opt_file:
- file = strdup (optarg);
- if (file == NULL) {
- p11_message (_("failed to allocate memory"));
- goto cleanup;
- }
+ file = optarg;
break;
case opt_login:
login = true;
@@ -574,12 +566,12 @@ p11_kit_import_object (int argc,
if (argc != 1) {
p11_tool_usage (usages, options);
- goto cleanup;
+ return 2;
}
if (file == NULL) {
p11_message (_("no file specified"));
- goto cleanup;
+ return 2;
}
#ifdef OS_UNIX
@@ -595,10 +587,6 @@ p11_kit_import_object (int argc,
p11_kit_pin_unregister_callback ("tty", p11_pin_tty_callback, NULL);
#endif
-cleanup:
- free (label);
- free (file);
-
return ret;
}
diff --git a/p11-kit/lists.c b/p11-kit/lists.c
index df58beb3f..007bb0f12 100644
--- a/p11-kit/lists.c
+++ b/p11-kit/lists.c
@@ -295,6 +295,7 @@ print_modules (void)
if (rv != CKR_OK) {
p11_message (_("couldn't load module info: %s"),
p11_kit_strerror (rv));
+ p11_kit_modules_finalize_and_release (module_list);
return 1;
}
diff --git a/p11-kit/print-config.c b/p11-kit/print-config.c
index 173b55feb..29daf3871 100644
--- a/p11-kit/print-config.c
+++ b/p11-kit/print-config.c
@@ -74,8 +74,10 @@ print_config (void)
P11_PACKAGE_CONFIG_MODULES,
P11_SYSTEM_CONFIG_MODULES,
P11_USER_CONFIG_MODULES);
- if (modules_conf == NULL)
+ if (modules_conf == NULL) {
+ p11_dict_free (global_conf);
return 1;
+ }
printf ("[global]\n");
p11_dict_iterate (global_conf, &i);
diff --git a/p11-kit/rpc-client.c b/p11-kit/rpc-client.c
index fb39103eb..19b628b1a 100644
--- a/p11-kit/rpc-client.c
+++ b/p11-kit/rpc-client.c
@@ -173,6 +173,8 @@ call_done (rpc_client *module,
p11_rpc_message *msg,
CK_RV ret)
{
+ p11_buffer *buf;
+
assert (module != NULL);
assert (msg != NULL);
@@ -189,9 +191,9 @@ call_done (rpc_client *module,
/* We used the same buffer for input/output, so this frees both */
assert (msg->input == msg->output);
- p11_rpc_buffer_free (msg->input);
-
+ buf = msg->input;
p11_rpc_message_clear (msg);
+ p11_rpc_buffer_free (buf);
return ret;
}
diff --git a/p11-kit/test-uri.c b/p11-kit/test-uri.c
index 32e8da703..18b7a108a 100644
--- a/p11-kit/test-uri.c
+++ b/p11-kit/test-uri.c
@@ -1019,7 +1019,7 @@ test_uri_get_set_unrecognized (void)
static void
test_uri_match_token (void)
{
- CK_TOKEN_INFO token;
+ CK_TOKEN_INFO token = { 0 };
P11KitUri *uri;
int ret;
@@ -1056,7 +1056,7 @@ test_uri_match_token (void)
static void
test_uri_match_module (void)
{
- CK_INFO info;
+ CK_INFO info = { 0 };
P11KitUri *uri;
int ret;
diff --git a/trust/test-trust.c b/trust/test-trust.c
index 29b2797b5..3b27a1f31 100644
--- a/trust/test-trust.c
+++ b/trust/test-trust.c
@@ -258,7 +258,7 @@ test_check_symlink_msg (const char *file,
if (asprintf (&filename, "%s/%s", directory, name) < 0)
assert_not_reached ();
- if (readlink (filename, buf, sizeof (buf)) < 0)
+ if (readlink (filename, buf, sizeof (buf) - 1) < 0)
p11_test_fail (file, line, function, "Couldn't read symlink: %s", filename);
if (strcmp (destination, buf) != 0)
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