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autofs/autofs-5.1.4-covarity-fixes-1.patch

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autofs-5.1.4 - covarity fixes 1
From: Ian Kent <raven@themaw.net>
* remove conditional close of nullfd.
* fix memory leak of local_domain in lib/macros.c:macro_init().
* check for NULL prior to several assignments in lib/master_parse.y.
* fix memory leak in lib/mounts.c:add_std_amd_vars().
* add missing break in lib/rpc_subs.c:rpc_get_netid().
* fix variable scope problem in modules/amd_parse.c:make_selector().
* fix selector itself not freed in lib/parse_subs.c:free_selector().
* fix possible memory leak in modules/lookup_ldap.c:parse_ldap_config().
* fix possible memory leak in modules/lookup_ldap.c:decode_percent_hack().
* fix usage of decode_percent_hack() in modules/lookup_ldap.c.
* initialize enc_key1 and enc_key2 in modules/lookup_ldap.c:lookup_one().
* fix double alloc of map_type in modules/parse_amd.c:make_default_entry().
* fix double alloc of map_type in modules/parse_amd.c:get_defaults_entry().
* fix possible memory leak in modules/parse_sun.c:parse_reinit().
* initialize myoptions and ro_loc in modules/parse_sun.c:mount_subtree().
* initialize myoptions and loc in modules/parse_sun.c:parse_mount().
Signed-off-by: Ian Kent <raven@themaw.net>
---
CHANGELOG | 1 +
lib/log.c | 3 +--
lib/macros.c | 1 +
lib/master_parse.y | 28 ++++++++++++++++++++++++++++
lib/mounts.c | 4 +++-
lib/parse_subs.c | 1 +
lib/rpc_subs.c | 1 +
modules/amd_parse.y | 4 ++--
modules/lookup_ldap.c | 27 ++++++++++++++++++++++-----
modules/parse_amd.c | 4 ++--
modules/parse_sun.c | 10 +++++++++-
11 files changed, 71 insertions(+), 13 deletions(-)
--- autofs-5.1.4.orig/lib/log.c
+++ autofs-5.1.4/lib/log.c
@@ -336,8 +336,7 @@ void log_to_syslog(void)
exit(1);
}
- if (nullfd > 2)
- close(nullfd);
+ close(nullfd);
return;
}
--- autofs-5.1.4.orig/lib/macros.c
+++ autofs-5.1.4/lib/macros.c
@@ -137,6 +137,7 @@ void macro_init(void)
macro_init_done = 1;
macro_unlock();
+ free(local_domain);
return;
}
--- autofs-5.1.4.orig/lib/master_parse.y
+++ autofs-5.1.4/lib/master_parse.y
@@ -157,6 +157,8 @@ line:
trim_maptype($2);
+ if (path)
+ free(path);
path = master_strdup($1);
if (!path) {
master_error("memory allocation error");
@@ -167,6 +169,8 @@ line:
if ((tmp = strchr($2, ',')))
*tmp++ = '\0';
+ if (type)
+ free(type);
type = master_strdup($2);
if (!type) {
master_error("memory allocation error");
@@ -174,6 +178,8 @@ line:
YYABORT;
}
if (tmp) {
+ if (format)
+ free(format);
format = master_strdup(tmp);
if (!format) {
master_error("memory allocation error");
@@ -204,6 +210,8 @@ line:
mapspec: map
{
+ if (local_argv)
+ free_argv(local_argc, (const char **) local_argv);
local_argc = tmp_argc;
local_argv = tmp_argv;
tmp_argc = 0;
@@ -211,6 +219,8 @@ mapspec: map
}
| map options
{
+ if (local_argv)
+ free_argv(local_argc, (const char **) local_argv);
local_argc = tmp_argc;
local_argv = tmp_argv;
tmp_argc = 0;
@@ -288,6 +298,8 @@ map: PATH
}
| MAPHOSTS
{
+ if (type)
+ free(type);
type = master_strdup($1 + 1);
if (!type) {
local_free_vars();
@@ -302,6 +314,8 @@ map: PATH
}
| MAPNULL
{
+ if (type)
+ free(type);
type = master_strdup($1 + 1);
if (!type) {
local_free_vars();
@@ -310,6 +324,8 @@ map: PATH
}
| dnattrs
{
+ if (type)
+ free(type);
type = master_strdup("ldap");
if (!type) {
local_free_vars();
@@ -332,6 +348,8 @@ map: PATH
if ((tmp = strchr($1, ',')))
*tmp++ = '\0';
+ if (type)
+ free(type);
if (strcmp($1, "exec"))
type = master_strdup($1);
else
@@ -342,6 +360,8 @@ map: PATH
YYABORT;
}
if (tmp) {
+ if (format)
+ free(format);
format = master_strdup(tmp);
if (!format) {
master_error("memory allocation error");
@@ -366,6 +386,8 @@ map: PATH
if ((tmp = strchr($1, ',')))
*tmp++ = '\0';
+ if (type)
+ free(type);
if (strcmp($1, "exec"))
type = master_strdup($1);
else
@@ -376,6 +398,8 @@ map: PATH
YYABORT;
}
if (tmp) {
+ if (format)
+ free(format);
format = master_strdup(tmp);
if (!format) {
master_error("memory allocation error");
@@ -400,6 +424,8 @@ map: PATH
if ((tmp = strchr($1, ',')))
*tmp++ = '\0';
+ if (type)
+ free(type);
if (strcmp($1, "exec"))
type = master_strdup($1);
else
@@ -410,6 +436,8 @@ map: PATH
YYABORT;
}
if (tmp) {
+ if (format)
+ free(format);
format = master_strdup(tmp);
if (!format) {
master_error("memory allocation error");
--- autofs-5.1.4.orig/lib/mounts.c
+++ autofs-5.1.4/lib/mounts.c
@@ -489,8 +489,10 @@ void add_std_amd_vars(struct substvar *s
const struct substvar *v = macro_findvar(sv, "domain", 4);
if (v && *v->val) {
tmp = strdup(v->val);
- if (tmp)
+ if (tmp) {
macro_global_addvar("cluster", 7, tmp);
+ free(tmp);
+ }
}
}
--- autofs-5.1.4.orig/lib/parse_subs.c
+++ autofs-5.1.4/lib/parse_subs.c
@@ -189,6 +189,7 @@ void free_selector(struct selector *sele
free(s->func.arg2);
s = next;
}
+ free(selector);
return;
}
--- autofs-5.1.4.orig/lib/rpc_subs.c
+++ autofs-5.1.4/lib/rpc_subs.c
@@ -389,6 +389,7 @@ static enum clnt_stat rpc_get_netid(cons
}
*netid = nc_netid;
+ break;
}
endnetconfig(handle);
free(nc_proto);
--- autofs-5.1.4.orig/modules/amd_parse.y
+++ autofs-5.1.4/modules/amd_parse.y
@@ -822,13 +822,13 @@ static int make_selector(char *name,
if (!value1)
tmp = NULL;
else {
- char *tmp = amd_strdup(value1);
+ tmp = amd_strdup(value1);
if (!tmp)
goto error;
}
s->func.arg1 = tmp;
} else if (s->sel->flags & SEL_FLAG_FUNC2) {
- char *tmp = amd_strdup(value1);
+ tmp = amd_strdup(value1);
if (!tmp)
goto error;
s->func.arg1 = tmp;
--- autofs-5.1.4.orig/modules/lookup_ldap.c
+++ autofs-5.1.4/modules/lookup_ldap.c
@@ -1137,6 +1137,7 @@ int parse_ldap_config(unsigned logopt, s
error(logopt,
MODPREFIX "stat(2) failed with error %s.",
strerror(errno));
+ free(auth_conf);
return 0;
}
@@ -1148,6 +1149,7 @@ int parse_ldap_config(unsigned logopt, s
"Please make sure that it is owned by root, group "
"is root, and the mode is 0600.",
auth_conf);
+ free(auth_conf);
return -1;
}
@@ -1182,9 +1184,11 @@ int parse_ldap_config(unsigned logopt, s
goto out;
}
- if (!usetls || ctxt->port == LDAPS_PORT)
+ if (!usetls || ctxt->port == LDAPS_PORT) {
use_tls = LDAP_TLS_DONT_USE;
- else {
+ if (usetls)
+ free(usetls);
+ } else {
if (!strcasecmp(usetls, "yes"))
use_tls = LDAP_TLS_INIT;
else if (!strcasecmp(usetls, "no"))
@@ -1194,6 +1198,7 @@ int parse_ldap_config(unsigned logopt, s
MODPREFIX
"The usetls property must have value "
"\"yes\" or \"no\".");
+ free(usetls);
ret = -1;
goto out;
}
@@ -1221,6 +1226,7 @@ int parse_ldap_config(unsigned logopt, s
MODPREFIX
"The tlsrequired property must have value "
"\"yes\" or \"no\".");
+ free(tlsrequired);
ret = -1;
goto out;
}
@@ -1252,6 +1258,7 @@ int parse_ldap_config(unsigned logopt, s
MODPREFIX
"The authrequired property must have value "
"\"yes\", \"no\", \"autodetect\", or \"simple\".");
+ free(authrequired);
ret = -1;
goto out;
}
@@ -1338,6 +1345,7 @@ auth_fail:
(void)get_property(logopt, root, "credentialcache", &client_cc);
ctxt->auth_conf = auth_conf;
+ auth_conf = NULL;
ctxt->use_tls = use_tls;
ctxt->tls_required = tls_required;
ctxt->auth_required = auth_required;
@@ -1375,8 +1383,12 @@ auth_fail:
user, secret ? "specified" : "unspecified",
client_princ, client_cc);
}
+ if (authtype)
+ free(authtype);
out:
xmlFreeDoc(doc);
+ if (auth_conf)
+ free(auth_conf);
if (fallback)
return 0;
@@ -1986,7 +1998,7 @@ int lookup_read_master(struct master *ma
}
} else if (count == 1) {
dec_len = decode_percent_hack(keyValue[0], &key);
- if (dec_len < 0) {
+ if (dec_len <= 0) {
error(logopt, MODPREFIX
"invalid map key %s - ignoring",
*keyValue);
@@ -1994,7 +2006,7 @@ int lookup_read_master(struct master *ma
}
} else {
dec_len = decode_percent_hack(keyValue[0], &key);
- if (dec_len < 0) {
+ if (dec_len <= 0) {
error(logopt, MODPREFIX
"invalid map key %s - ignoring",
*keyValue);
@@ -2004,7 +2016,7 @@ int lookup_read_master(struct master *ma
for (i = 1; i < count; i++) {
char *k;
dec_len = decode_percent_hack(keyValue[i], &k);
- if (dec_len < 0) {
+ if (dec_len <= 0) {
error(logopt, MODPREFIX
"invalid map key %s - ignoring",
*keyValue);
@@ -2159,6 +2171,8 @@ static int decode_percent_hack(const cha
*key = NULL;
len = get_percent_decoded_len(name);
+ if (!len)
+ return 0;
new = malloc(len + 1);
if (!new)
return -1;
@@ -2998,6 +3012,9 @@ static int lookup_one(struct autofs_poin
attrs[1] = info;
attrs[2] = NULL;
+ enc_key1 = NULL;
+ enc_key2 = NULL;
+
if (*qKey == '*' && qKey_len == 1)
*qKey = '/';
else if (!strcasecmp(class, "nisObject")) {
--- autofs-5.1.4.orig/modules/parse_amd.c
+++ autofs-5.1.4/modules/parse_amd.c
@@ -1879,7 +1879,7 @@ struct amd_entry *make_default_entry(str
*/
map_type = conf_amd_get_map_type(ap->path);
if (map_type)
- defaults_entry->map_type = strdup(map_type);
+ defaults_entry->map_type = map_type;
/* The list should now be empty .... */
free_amd_entry_list(&dflts);
return defaults_entry;
@@ -2006,7 +2006,7 @@ static struct amd_entry *get_defaults_en
*/
char *map_type = conf_amd_get_map_type(ap->path);
if (map_type)
- entry->map_type = strdup(map_type);
+ entry->map_type = map_type;
}
free(expand);
}
--- autofs-5.1.4.orig/modules/parse_sun.c
+++ autofs-5.1.4/modules/parse_sun.c
@@ -443,8 +443,10 @@ int parse_reinit(int argc, const char *c
*new = default_context;
- if (do_init(argc, argv, new))
+ if (do_init(argc, argv, new)) {
+ free(new);
return 1;
+ }
kill_context(ctxt);
@@ -1143,6 +1145,9 @@ static int mount_subtree(struct autofs_p
const char *root;
int ro_len;
+ myoptions = NULL;
+ ro_loc = NULL;
+
rv = parse_mapent(ro->mapent,
options, &myoptions, &ro_loc, ap->logopt);
if (!rv) {
@@ -1524,6 +1529,9 @@ dont_expand:
p += l;
p = skipspace(p);
+ myoptions = NULL;
+ loc = NULL;
+
l = parse_mapent(p, options, &myoptions, &loc, ap->logopt);
if (!l) {
cache_delete_offset_list(mc, name);
--- autofs-5.1.4.orig/CHANGELOG
+++ autofs-5.1.4/CHANGELOG
@@ -26,6 +26,7 @@ xx/xx/2018 autofs-5.1.5
- fix NFS version mask usage.
- fix fd leak in rpc_do_create_client().
- add-man page note about extra slashes in paths.
+- covarity fixes.
19/12/2017 autofs-5.1.4
- fix spec file url.
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