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-rw-r--r--p11-kit/uri.c144
1 files changed, 78 insertions, 66 deletions
diff --git a/p11-kit/uri.c b/p11-kit/uri.c
index f3a2ef5..9b5144b 100644
--- a/p11-kit/uri.c
+++ b/p11-kit/uri.c
@@ -148,9 +148,9 @@ struct p11_kit_uri {
};
static char *
-key_decode (const char *value, const char *end)
+strip_whitespace (const char *value)
{
- size_t length = (end - value);
+ size_t length = strlen (value);
char *at, *pos;
char *key;
@@ -907,18 +907,20 @@ p11_kit_uri_format (P11KitUri *uri, P11KitUriType uri_type, char **string)
}
static int
-parse_string_attribute (const char *name, const char *start, const char *end,
- P11KitUri *uri)
+parse_string_attribute (const char *name_start, const char *name_end,
+ const char *start, const char *end,
+ P11KitUri *uri)
{
unsigned char *value;
CK_ATTRIBUTE_TYPE type;
size_t length;
+ assert (name_start <= name_end);
assert (start <= end);
- if (strcmp ("id", name) == 0)
+ if (memcmp ("id", name_start, name_end - name_start) == 0)
type = CKA_ID;
- else if (strcmp ("object", name) == 0)
+ else if (memcmp ("object", name_start, name_end - name_start) == 0)
type = CKA_LABEL;
else
return 0;
@@ -932,43 +934,38 @@ parse_string_attribute (const char *name, const char *start, const char *end,
}
static int
-parse_class_attribute (const char *name, const char *start, const char *end,
- P11KitUri *uri)
+parse_class_attribute (const char *name_start, const char *name_end,
+ const char *start, const char *end,
+ P11KitUri *uri)
{
CK_OBJECT_CLASS klass = 0;
CK_ATTRIBUTE attr;
- char *value;
+ assert (name_start <= name_end);
assert (start <= end);
- if (strcmp ("objecttype", name) != 0 &&
- strcmp ("object-type", name) != 0 &&
- strcmp ("type", name) != 0)
+ if (memcmp ("objecttype", name_start, name_end - name_start) != 0 &&
+ memcmp ("object-type", name_start, name_end - name_start) != 0 &&
+ memcmp ("type", name_start, name_end - name_start) != 0)
return 0;
- value = key_decode (start, end);
- return_val_if_fail (value != NULL, P11_KIT_URI_UNEXPECTED);
-
- if (strcmp (value, "cert") == 0)
+ if (memcmp ("cert", start, end - start) == 0)
klass = CKO_CERTIFICATE;
- else if (strcmp (value, "public") == 0)
+ else if (memcmp ("public", start, end - start) == 0)
klass = CKO_PUBLIC_KEY;
- else if (strcmp (value, "private") == 0)
+ else if (memcmp ("private", start, end - start) == 0)
klass = CKO_PRIVATE_KEY;
- else if (strcmp (value, "secretkey") == 0)
+ else if (memcmp ("secretkey", start, end - start) == 0)
klass = CKO_SECRET_KEY;
- else if (strcmp (value, "secret-key") == 0)
+ else if (memcmp ("secret-key", start, end - start) == 0)
klass = CKO_SECRET_KEY;
- else if (strcmp (value, "data") == 0)
+ else if (memcmp ("data", start, end - start) == 0)
klass = CKO_DATA;
else {
- free (value);
uri->unrecognized = true;
return 1;
}
- free (value);
-
attr.pValue = &klass;
attr.ulValueLen = sizeof (klass);
attr.type = CKA_CLASS;
@@ -1005,24 +1002,26 @@ parse_struct_info (unsigned char *where, size_t length, const char *start,
}
static int
-parse_token_info (const char *name, const char *start, const char *end,
- P11KitUri *uri)
+parse_token_info (const char *name_start, const char *name_end,
+ const char *start, const char *end,
+ P11KitUri *uri)
{
unsigned char *where;
size_t length;
+ assert (name_start <= name_end);
assert (start <= end);
- if (strcmp (name, "model") == 0) {
+ if (memcmp ("model", name_start, name_end - name_start) == 0) {
where = uri->token.model;
length = sizeof (uri->token.model);
- } else if (strcmp (name, "manufacturer") == 0) {
+ } else if (memcmp ("manufacturer", name_start, name_end - name_start) == 0) {
where = uri->token.manufacturerID;
length = sizeof (uri->token.manufacturerID);
- } else if (strcmp (name, "serial") == 0) {
+ } else if (memcmp ("serial", name_start, name_end - name_start) == 0) {
where = uri->token.serialNumber;
length = sizeof (uri->token.serialNumber);
- } else if (strcmp (name, "token") == 0) {
+ } else if (memcmp ("token", name_start, name_end - name_start) == 0) {
where = uri->token.label;
length = sizeof (uri->token.label);
} else {
@@ -1037,10 +1036,6 @@ atoin (const char *start, const char *end)
{
int ret = 0;
while (start != end) {
- if (strchr (P11_URL_WHITESPACE, *start)) {
- start++;
- continue;
- }
if (*start < '0' || *start > '9')
return -1;
ret *= 10;
@@ -1083,12 +1078,14 @@ parse_struct_version (const char *start, const char *end, CK_VERSION_PTR version
}
static int
-parse_module_version_info (const char *name, const char *start, const char *end,
- P11KitUri *uri)
+parse_module_version_info (const char *name_start, const char *name_end,
+ const char *start, const char *end,
+ P11KitUri *uri)
{
+ assert (name_start <= name_end);
assert (start <= end);
- if (strcmp (name, "library-version") == 0)
+ if (memcmp ("library-version", name_start, name_end - name_start) == 0)
return parse_struct_version (start, end,
&uri->module.libraryVersion);
@@ -1096,18 +1093,20 @@ parse_module_version_info (const char *name, const char *start, const char *end,
}
static int
-parse_module_info (const char *name, const char *start, const char *end,
- P11KitUri *uri)
+parse_module_info (const char *name_start, const char *name_end,
+ const char *start, const char *end,
+ P11KitUri *uri)
{
unsigned char *where;
size_t length;
+ assert (name_start <= name_end);
assert (start <= end);
- if (strcmp (name, "library-description") == 0) {
+ if (memcmp ("library-description", name_start, name_end - name_start) == 0) {
where = uri->module.libraryDescription;
length = sizeof (uri->module.libraryDescription);
- } else if (strcmp (name, "library-manufacturer") == 0) {
+ } else if (memcmp ("library-manufacturer", name_start, name_end - name_start) == 0) {
where = uri->module.manufacturerID;
length = sizeof (uri->module.manufacturerID);
} else {
@@ -1118,22 +1117,24 @@ parse_module_info (const char *name, const char *start, const char *end,
}
static int
-parse_extra_info (const char *name, const char *start, const char *end,
- P11KitUri *uri)
+parse_extra_info (const char *name_start, const char *name_end,
+ const char *start, const char *end,
+ P11KitUri *uri)
{
unsigned char *pin_source;
+ assert (name_start <= name_end);
assert (start <= end);
- if (strcmp (name, "pinfile") == 0 ||
- strcmp (name, "pin-source") == 0) {
+ if (memcmp ("pinfile", name_start, name_end - name_start) == 0 ||
+ memcmp ("pin-source", name_start, name_end - name_start) == 0) {
pin_source = p11_url_decode (start, end, P11_URL_WHITESPACE, NULL);
if (pin_source == NULL)
return P11_KIT_URI_BAD_ENCODING;
free (uri->pin_source);
uri->pin_source = (char*)pin_source;
return 1;
- } else if (strcmp (name, "pin-value") == 0) {
+ } else if (memcmp ("pin-value", name_start, name_end - name_start) == 0) {
pin_source = p11_url_decode (start, end, P11_URL_WHITESPACE, NULL);
if (pin_source == NULL)
return P11_KIT_URI_BAD_ENCODING;
@@ -1174,21 +1175,32 @@ p11_kit_uri_parse (const char *string, P11KitUriType uri_type,
P11KitUri *uri)
{
const char *spos, *epos;
- char *key = NULL;
int ret;
+ size_t length;
+ char *allocated = NULL;
assert (string);
assert (uri);
+ /* If STRING contains any whitespace, create a copy of the
+ * string and strip it out */
+ length = strcspn (string, P11_URL_WHITESPACE);
+ if (strspn (string + length, P11_URL_WHITESPACE) > 0) {
+ allocated = strip_whitespace (string);
+ return_val_if_fail (allocated != NULL, P11_KIT_URI_UNEXPECTED);
+ string = allocated;
+ }
+
epos = strchr (string, ':');
- if (epos == NULL)
+ if (epos == NULL) {
+ free (allocated);
return P11_KIT_URI_BAD_SCHEME;
- key = key_decode (string, epos);
- ret = strcmp (key, P11_KIT_URI_SCHEME);
- free (key);
-
- if (ret != 0)
+ }
+ ret = memcmp (string, P11_KIT_URI_SCHEME, strlen (P11_KIT_URI_SCHEME));
+ if (ret != 0) {
+ free (allocated);
return P11_KIT_URI_BAD_SCHEME;
+ }
string = epos + 1;
@@ -1215,30 +1227,29 @@ p11_kit_uri_parse (const char *string, P11KitUriType uri_type,
}
epos = strchr (string, '=');
- if (epos == NULL || spos == string || epos == string || epos >= spos)
+ if (epos == NULL || spos == string || epos == string || epos >= spos) {
+ free (allocated);
return P11_KIT_URI_BAD_SYNTAX;
-
- key = key_decode (string, epos);
- return_val_if_fail (key != NULL, P11_KIT_URI_UNEXPECTED);
- epos++;
+ }
ret = 0;
if ((uri_type & P11_KIT_URI_FOR_OBJECT) == P11_KIT_URI_FOR_OBJECT)
- ret = parse_string_attribute (key, epos, spos, uri);
+ ret = parse_string_attribute (string, epos, epos + 1, spos, uri);
if (ret == 0 && (uri_type & P11_KIT_URI_FOR_OBJECT) == P11_KIT_URI_FOR_OBJECT)
- ret = parse_class_attribute (key, epos, spos, uri);
+ ret = parse_class_attribute (string, epos, epos + 1, spos, uri);
if (ret == 0 && (uri_type & P11_KIT_URI_FOR_TOKEN) == P11_KIT_URI_FOR_TOKEN)
- ret = parse_token_info (key, epos, spos, uri);
+ ret = parse_token_info (string, epos, epos + 1, spos, uri);
if (ret == 0 && (uri_type & P11_KIT_URI_FOR_MODULE) == P11_KIT_URI_FOR_MODULE)
- ret = parse_module_info (key, epos, spos, uri);
+ ret = parse_module_info (string, epos, epos + 1, spos, uri);
if (ret == 0 && (uri_type & P11_KIT_URI_FOR_MODULE_WITH_VERSION) == P11_KIT_URI_FOR_MODULE_WITH_VERSION)
- ret = parse_module_version_info (key, epos, spos, uri);
+ ret = parse_module_version_info (string, epos, epos + 1, spos, uri);
if (ret == 0)
- ret = parse_extra_info (key, epos, spos, uri);
- free (key);
+ ret = parse_extra_info (string, epos, epos + 1, spos, uri);
- if (ret < 0)
+ if (ret < 0) {
+ free (allocated);
return ret;
+ }
if (ret == 0)
uri->unrecognized = true;
@@ -1247,6 +1258,7 @@ p11_kit_uri_parse (const char *string, P11KitUriType uri_type,
string = spos + 1;
}
+ free (allocated);
return P11_KIT_URI_OK;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-11 08:14:23 +0000