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path: root/security/integrity/ima/ima_template_lib.c
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Diffstat (limited to 'security/integrity/ima/ima_template_lib.c')
-rw-r--r--security/integrity/ima/ima_template_lib.c29
1 files changed, 11 insertions, 18 deletions
diff --git a/security/integrity/ima/ima_template_lib.c b/security/integrity/ima/ima_template_lib.c
index 1683bbf289a4..1506f0248572 100644
--- a/security/integrity/ima/ima_template_lib.c
+++ b/security/integrity/ima/ima_template_lib.c
@@ -27,7 +27,6 @@ static bool ima_template_hash_algo_allowed(u8 algo)
enum data_formats {
DATA_FMT_DIGEST = 0,
DATA_FMT_DIGEST_WITH_ALGO,
- DATA_FMT_EVENT_NAME,
DATA_FMT_STRING,
DATA_FMT_HEX
};
@@ -37,18 +36,10 @@ static int ima_write_template_field_data(const void *data, const u32 datalen,
struct ima_field_data *field_data)
{
u8 *buf, *buf_ptr;
- u32 buflen;
+ u32 buflen = datalen;
- switch (datafmt) {
- case DATA_FMT_EVENT_NAME:
- buflen = IMA_EVENT_NAME_LEN_MAX + 1;
- break;
- case DATA_FMT_STRING:
+ if (datafmt == DATA_FMT_STRING)
buflen = datalen + 1;
- break;
- default:
- buflen = datalen;
- }
buf = kzalloc(buflen, GFP_KERNEL);
if (!buf)
@@ -63,7 +54,7 @@ static int ima_write_template_field_data(const void *data, const u32 datalen,
* split into multiple template fields (the space is the delimitator
* character for measurements lists in ASCII format).
*/
- if (datafmt == DATA_FMT_EVENT_NAME || datafmt == DATA_FMT_STRING) {
+ if (datafmt == DATA_FMT_STRING) {
for (buf_ptr = buf; buf_ptr - buf < datalen; buf_ptr++)
if (*buf_ptr == ' ')
*buf_ptr = '_';
@@ -109,13 +100,16 @@ static void ima_show_template_data_binary(struct seq_file *m,
enum data_formats datafmt,
struct ima_field_data *field_data)
{
+ u32 len = (show == IMA_SHOW_BINARY_OLD_STRING_FMT) ?
+ strlen(field_data->data) : field_data->len;
+
if (show != IMA_SHOW_BINARY_NO_FIELD_LEN)
- ima_putc(m, &field_data->len, sizeof(u32));
+ ima_putc(m, &len, sizeof(len));
- if (!field_data->len)
+ if (!len)
return;
- ima_putc(m, field_data->data, field_data->len);
+ ima_putc(m, field_data->data, len);
}
static void ima_show_template_field_data(struct seq_file *m,
@@ -129,6 +123,7 @@ static void ima_show_template_field_data(struct seq_file *m,
break;
case IMA_SHOW_BINARY:
case IMA_SHOW_BINARY_NO_FIELD_LEN:
+ case IMA_SHOW_BINARY_OLD_STRING_FMT:
ima_show_template_data_binary(m, show, datafmt, field_data);
break;
default:
@@ -277,8 +272,6 @@ static int ima_eventname_init_common(struct integrity_iint_cache *iint,
{
const char *cur_filename = NULL;
u32 cur_filename_len = 0;
- enum data_formats fmt = size_limit ?
- DATA_FMT_EVENT_NAME : DATA_FMT_STRING;
BUG_ON(filename == NULL && file == NULL);
@@ -301,7 +294,7 @@ static int ima_eventname_init_common(struct integrity_iint_cache *iint,
cur_filename_len = IMA_EVENT_NAME_LEN_MAX;
out:
return ima_write_template_field_data(cur_filename, cur_filename_len,
- fmt, field_data);
+ DATA_FMT_STRING, field_data);
}
/*