fix(legacy): fix near issue (#459)

somebodyLi · web-flow · commit 6903c73ac982 · 2023-08-01T14:42:41.000+08:00
diff --git a/legacy/firmware/near.c b/legacy/firmware/near.c
@@ -251,7 +251,7 @@ static int parse_transaction(const NearSignTx *msg, uint32_t *processed,
   if (borsh_read_buffer(msg, &len, (const uint8_t **)&var_name, processed)) {
     return -1;
   }
-  if (var_name == NULL || len != 64) {
+  if (var_name == NULL || len > 64 || len < 2) {
     return -1;
   }
   strcpy_ellipsis(sizeof(singer), singer, len, var_name);
@@ -268,7 +268,7 @@ static int parse_transaction(const NearSignTx *msg, uint32_t *processed,
   if (borsh_read_buffer(msg, &len, (const uint8_t **)&var_name, processed)) {
     return -1;
   }
-  if (var_name == NULL || len != 64) {
+  if (var_name == NULL || len > 64 || len < 2) {
     return -1;
   }
   strcpy_ellipsis(sizeof(singer), singer, len, var_name);

Original file line number	Diff line number	Diff line change
`@@ -251,7 +251,7 @@ static int parse_transaction(const NearSignTx msg, uint32_t processed,`
`251`	`251`	`if (borsh_read_buffer(msg, &len, (const uint8_t **)&var_name, processed)) {`
`252`	`252`	`return -1;`
`253`	`253`	`}`
`254`		`- if (var_name == NULL \|\| len != 64) {`
	`254`	`+ if (var_name == NULL \|\| len > 64 \|\| len < 2) {`
`255`	`255`	`return -1;`
`256`	`256`	`}`
`257`	`257`	`strcpy_ellipsis(sizeof(singer), singer, len, var_name);`
`@@ -268,7 +268,7 @@ static int parse_transaction(const NearSignTx msg, uint32_t processed,`
`268`	`268`	`if (borsh_read_buffer(msg, &len, (const uint8_t **)&var_name, processed)) {`
`269`	`269`	`return -1;`
`270`	`270`	`}`
`271`		`- if (var_name == NULL \|\| len != 64) {`
	`271`	`+ if (var_name == NULL \|\| len > 64 \|\| len < 2) {`
`272`	`272`	`return -1;`
`273`	`273`	`}`
`274`	`274`	`strcpy_ellipsis(sizeof(singer), singer, len, var_name);`