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Use glib for all allocations

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- Removes need to check for malloc failure
- Removes need for NULL checks on free
- Adds checks for integer overflows
- Removes some extra memset calls
- Removes chance of mixing libc and glib malloc/free
This commit is contained in:
TingPing
2014-12-28 06:37:25 -05:00
parent c4cb1b25ec
commit 83032b1aa3
46 changed files with 796 additions and 1082 deletions
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58
src/common/util.c
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@@ -619,8 +619,6 @@ get_sys_str (int with_cpu)
if (buf)
return buf;
buf = malloc (128);
uname (&un);
#if defined (USING_LINUX) || defined (USING_FREEBSD) || defined (__APPLE__) || defined (__CYGWIN__)
@@ -629,14 +627,16 @@ get_sys_str (int with_cpu)
{
double cpuspeed = ( mhz > 1000 ) ? mhz / 1000 : mhz;
const char *cpuspeedstr = ( mhz > 1000 ) ? "GHz" : "MHz";
snprintf (buf, 128,
(cpus == 1) ? "%s %s [%s/%.2f%s]" : "%s %s [%s/%.2f%s/SMP]",
un.sysname, un.release, un.machine,
cpuspeed, cpuspeedstr);
buf = g_strdup_printf (
(cpus == 1) ? "%s %s [%s/%.2f%s]" : "%s %s [%s/%.2f%s/SMP]",
un.sysname, un.release, un.machine,
cpuspeed, cpuspeedstr);
}
else
buf = g_strdup_printf ("%s %s", un.sysname, un.release);
#else
buf = g_strdup_printf ("%s %s", un.sysname, un.release);
#endif
snprintf (buf, 128, "%s %s", un.sysname, un.release);
return buf;
}
@@ -1503,7 +1503,7 @@ parse_dh (char *str, DH **dh_out, unsigned char **secret_out, int *keysize_out)
{
DH *dh;
guchar *data, *decoded_data;
guchar *secret;
guchar *secret = NULL;
gsize data_len;
guint size;
guint16 size16;
@@ -1555,7 +1555,7 @@ parse_dh (char *str, DH **dh_out, unsigned char **secret_out, int *keysize_out)
if (!(DH_generate_key (dh)))
goto fail;
secret = (unsigned char*)malloc (DH_size(dh));
secret = g_malloc (DH_size (dh));
key_size = DH_compute_key (secret, pubkey, dh);
if (key_size == -1)
goto fail;
@@ -1568,7 +1568,9 @@ parse_dh (char *str, DH **dh_out, unsigned char **secret_out, int *keysize_out)
return 1;
fail:
g_free (secret);
g_free (decoded_data);
return 0;
}
@@ -1576,7 +1578,7 @@ char *
encode_sasl_pass_blowfish (char *user, char *pass, char *data)
{
DH *dh;
char *response, *ret;
char *response, *ret = NULL;
unsigned char *secret;
unsigned char *encrypted_pass;
char *plain_pass;
@@ -1591,10 +1593,8 @@ encode_sasl_pass_blowfish (char *user, char *pass, char *data)
return NULL;
BF_set_key (&key, key_size, secret);
encrypted_pass = (guchar*)malloc (pass_len);
memset (encrypted_pass, 0, pass_len);
plain_pass = (char*)malloc (pass_len);
memset (plain_pass, 0, pass_len);
encrypted_pass = g_malloc0 (pass_len);
plain_pass = g_malloc0 (pass_len);
memcpy (plain_pass, pass, strlen(pass));
out_ptr = (char*)encrypted_pass;
in_ptr = (char*)plain_pass;
@@ -1604,7 +1604,7 @@ encode_sasl_pass_blowfish (char *user, char *pass, char *data)
/* Create response */
length = 2 + BN_num_bytes (dh->pub_key) + pass_len + user_len + 1;
response = (char*)malloc (length);
response = g_malloc0 (length);
out_ptr = response;
/* our key */
@@ -1623,11 +1623,12 @@ encode_sasl_pass_blowfish (char *user, char *pass, char *data)
ret = g_base64_encode ((const guchar*)response, length);
DH_free (dh);
free (plain_pass);
free (encrypted_pass);
free (secret);
free (response);
g_free (response);
DH_free(dh);
g_free (plain_pass);
g_free (encrypted_pass);
g_free (secret);
return ret;
}
@@ -1653,10 +1654,8 @@ encode_sasl_pass_aes (char *user, char *pass, char *data)
if (!parse_dh (data, &dh, &secret, &key_size))
return NULL;
encrypted_userpass = (guchar*)malloc (userpass_len);
memset (encrypted_userpass, 0, userpass_len);
plain_userpass = (guchar*)malloc (userpass_len);
memset (plain_userpass, 0, userpass_len);
encrypted_userpass = g_malloc0 (userpass_len);
plain_userpass = g_malloc0 (userpass_len);
/* create message */
/* format of: <username>\0<password>\0<padding> */
@@ -1687,7 +1686,7 @@ encode_sasl_pass_aes (char *user, char *pass, char *data)
/* Create response */
/* format of: <size pubkey><pubkey><iv (always 16 bytes)><ciphertext> */
length = 2 + key_size + sizeof(iv) + userpass_len;
response = (char*)malloc (length);
response = g_malloc (length);
out_ptr = response;
/* our key */
@@ -1708,11 +1707,10 @@ encode_sasl_pass_aes (char *user, char *pass, char *data)
end:
DH_free (dh);
free (plain_userpass);
free (encrypted_userpass);
free (secret);
if (response)
free (response);
g_free (plain_userpass);
g_free (encrypted_userpass);
g_free (secret);
g_free (response);
return ret;
}