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recovery-utils: add check into recover library if dualboot is enabled 

This commit add a verification into the recovery library to avoid
that it is executed when in dualboot mode.

Signed-off-by: Mike Engel <Mike.Engel@digi.com>

https://onedigi.atlassian.net/browse/DEL-7580
This commit is contained in:
Mike Engel 2021-07-12 17:11:39 +02:00
parent a72fd737d1
commit 30aa4a7444
2 changed files with 61 additions and 0 deletions
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7
meta-digi-dey/recipes-core/recovery/recovery-utils/recovery-utils/include/recovery.h
View File

@ -70,4 +70,11 @@ int set_encryption_key(char *key, unsigned char force);
*/
int encrypt_partitions(char *to_encrypt, char *to_unencrypt, unsigned char force);
/*
* Check if device has dualboot enabled.
*
* Return: 1 if enabled and 0 if disabled, -1 on error when reading the environment
*/
int is_dualboot_enabled(void);
#endif /* RECOVERY_H */

54
meta-digi-dey/recipes-core/recovery/recovery-utils/recovery-utils/lib/recovery.c
View File

@ -83,6 +83,12 @@ static int append_recovery_command(const char *value)
int rcvr_cmd_len;
int ret = 0;
/* Check if we are in dualboot mode */
if (is_dualboot_enabled()) {
fprintf(stderr, "Error: dualboot enabled recovery cannot be used\n");
goto err;
}
ret = uboot_getenv("recovery_command", &old_recovery_cmd);
if (ret) {
fprintf(stderr, "Error: getenv 'recovery_command'\n");
@ -584,6 +590,12 @@ int update_firmware(const char *swu_path)
int file_prefix_len = 0;
int ret = -1;
/* Check if we are in dualboot mode */
if (is_dualboot_enabled()) {
fprintf(stderr, "Error: dualboot enabled recovery cannot be used\n");
goto err;
}
/* Verify input parameter */
if (!swu_path) {
fprintf(stderr, "Error: NULL 'swu_path'\n");
@ -624,6 +636,12 @@ int reboot_recovery(unsigned int reboot_timeout)
{
int ret = 0;
/* Check if we are in dualboot mode */
if (is_dualboot_enabled()) {
fprintf(stderr, "Error: dualboot enabled recovery cannot be used\n");
goto err;
}
sync();
printf("\nThe recovery commands have been properly configured and "
@ -668,6 +686,12 @@ int set_encryption_key(char *key, unsigned char force)
int ret = -1;
unsigned char i = 0;
/* Check if we are in dualboot mode */
if (is_dualboot_enabled()) {
fprintf(stderr, "Error: dualboot enabled recovery cannot be used\n");
return ret;
}
/* Initialize arrays */
parts[0] = NULL;
encrypted[0] = NULL;
@ -768,6 +792,12 @@ int encrypt_partitions(char *to_encrypt, char *to_unencrypt, unsigned char force
int ret;
/* Check if we are in dualboot mode */
if (is_dualboot_enabled()) {
fprintf(stderr, "Error: dualboot enabled recovery cannot be used\n");
return 1;
}
/* If both lists are empty, we have nothing to do */
if (!to_encrypt && !to_unencrypt)
return 1;
@ -932,3 +962,27 @@ err:
return ret < 0 ? -1 : ret;
}
/*
* Function: is_device_closed
* Description: check if the device is in dualboot mode
*/
int is_dualboot_enabled (void)
{
const char *var;
int ret;
/* Parse dualboot */
ret = uboot_getenv("dualboot", &var);
if (ret) {
fprintf(stderr, "Error: getenv 'dualboot'\n");
return 0;
}
/* Is dualboot enabled */
if (!strcmp(var, "no"))
ret = 0;
else
ret = 1;
return ret;
}