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libnm-core: expose _nm_utils_str2bin_full() as internal API

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We only exposed wrappers around this function, but all of them have
different behavior, and none exposes all possible features. For example,
nm_utils_hexstr2bin() strips leading "0x", but it does not clear
the data on failure (nm_explicit_bzero()). Instead of adding more
wrappers, expose the underlying implementation, so that callers may
use the function the way they want it.
This commit is contained in:
Thomas Haller
2018-09-03 11:22:34 +02:00
parent b8ea61d26e
commit a9406ca4a7
2 changed files with 17 additions and 10 deletions
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7
libnm-core/nm-core-internal.h
View File

@@ -215,6 +215,13 @@ const char *nm_utils_hwaddr_ntoa_buf (gconstpointer addr, gsize addr_len, gboole
char *_nm_utils_bin2str (gconstpointer addr, gsize length, gboolean upper_case);
void _nm_utils_bin2str_full (gconstpointer addr, gsize length, const char delimiter, gboolean upper_case, char *out);
guint8 *_nm_utils_str2bin_full (const char *asc,
gboolean delimiter_required,
const char *delimiter_candidates,
guint8 *buffer,
gsize buffer_length,
gsize *out_len);
GSList * _nm_utils_hash_values_to_slist (GHashTable *hash);
GHashTable *_nm_utils_copy_strdict (GHashTable *strdict);

20
libnm-core/nm-utils.c
View File

@@ -3526,13 +3526,13 @@ nm_utils_hwaddr_len (int type)
g_return_val_if_reached (0);
}
static guint8 *
_str2bin (const char *asc,
gboolean delimiter_required,
const char *delimiter_candidates,
guint8 *buffer,
gsize buffer_length,
gsize *out_len)
guint8 *
_nm_utils_str2bin_full (const char *asc,
gboolean delimiter_required,
const char *delimiter_candidates,
guint8 *buffer,
gsize buffer_length,
gsize *out_len)
{
const char *in = asc;
guint8 *out = buffer;
@@ -3602,7 +3602,7 @@ _str2bin (const char *asc,
return buffer;
}
#define hwaddr_aton(asc, buffer, buffer_length, out_len) _str2bin ((asc), TRUE, ":-", (buffer), (buffer_length), (out_len))
#define hwaddr_aton(asc, buffer, buffer_length, out_len) _nm_utils_str2bin_full ((asc), TRUE, ":-", (buffer), (buffer_length), (out_len))
/**
* nm_utils_hexstr2bin:
@@ -3628,7 +3628,7 @@ nm_utils_hexstr2bin (const char *hex)
buffer_length = strlen (hex) / 2 + 3;
buffer = g_malloc (buffer_length);
if (!_str2bin (hex, FALSE, ":", buffer, buffer_length, &len)) {
if (!_nm_utils_str2bin_full (hex, FALSE, ":", buffer, buffer_length, &len)) {
g_free (buffer);
return NULL;
}
@@ -4508,7 +4508,7 @@ _nm_utils_dhcp_duid_valid (const char *duid, GBytes **out_duid_bin)
return TRUE;
}
if (_str2bin (duid, FALSE, ":", duid_arr, sizeof (duid_arr), &duid_len)) {
if (_nm_utils_str2bin_full (duid, FALSE, ":", duid_arr, sizeof (duid_arr), &duid_len)) {
/* MAX DUID length is 128 octects + the type code (2 octects). */
if ( duid_len > 2
&& duid_len <= (128 + 2)) {