[PATCH 4/5] eficonfig: include EFI_STATUS string in error message
Masahisa Kojima
masahisa.kojima at linaro.org
Mon Feb 13 06:50:52 CET 2023
On Fri, 10 Feb 2023 at 20:57, Heinrich Schuchardt <xypron.glpk at gmx.de> wrote:
>
> On 2/2/23 10:24, Masahisa Kojima wrote:
> > Current eficonfig_print_msg() does not show the return
> > value of EFI Boot/Runtime Services when the service call fails.
> > With this commit, user can know EFI_STATUS in the error message.
>
> Why do we need function eficonfig_print_msg()?
>
> I cannot see why the printing only parameter msg with log_err() should
> not be good enough.
ANSI_CLEAR_CONSOLE is sent before drawing the menu. I think it is
difficult for user
to know some error occurs by the user operation, user needs scroll up
to see the error message
when we use log_err().
Regards,
Masahisa Kojima
>
> Best regards
>
> Heinrich
>
> >
> > Signed-off-by: Masahisa Kojima <masahisa.kojima at linaro.org>
> > ---
> > cmd/eficonfig.c | 95 +++++++++++++++++++++++++++++++++++++------
> > cmd/eficonfig_sbkey.c | 16 ++++----
> > include/efi_config.h | 2 +-
> > 3 files changed, 93 insertions(+), 20 deletions(-)
> >
> > diff --git a/cmd/eficonfig.c b/cmd/eficonfig.c
> > index 0a17b8cf34..b0c8637676 100644
> > --- a/cmd/eficonfig.c
> > +++ b/cmd/eficonfig.c
> > @@ -151,19 +151,90 @@ static void eficonfig_menu_adjust(struct efimenu *efi_menu, bool add)
> > #define eficonfig_menu_up(_a) eficonfig_menu_adjust(_a, false)
> > #define eficonfig_menu_down(_a) eficonfig_menu_adjust(_a, true)
> >
> > +struct efi_status_str {
> > + efi_status_t status;
> > + char *str;
> > +};
> > +
> > +static const struct efi_status_str status_str_table[] = {
> > + {EFI_LOAD_ERROR, "Load Error"},
> > + {EFI_INVALID_PARAMETER, "Invalid Parameter"},
> > + {EFI_UNSUPPORTED, "Unsupported"},
> > + {EFI_BAD_BUFFER_SIZE, "Bad Buffer Size"},
> > + {EFI_BUFFER_TOO_SMALL, "Buffer Too Small"},
> > + {EFI_NOT_READY, "Not Ready"},
> > + {EFI_DEVICE_ERROR, "Device Error"},
> > + {EFI_WRITE_PROTECTED, "Write Protected"},
> > + {EFI_OUT_OF_RESOURCES, "Out of Resources"},
> > + {EFI_VOLUME_CORRUPTED, "Volume Corrupted"},
> > + {EFI_VOLUME_FULL, "Volume Full"},
> > + {EFI_NO_MEDIA, "No Media"},
> > + {EFI_MEDIA_CHANGED, "Media Changed"},
> > + {EFI_NOT_FOUND, "Not Found"},
> > + {EFI_ACCESS_DENIED, "Access Denied"},
> > + {EFI_NO_RESPONSE, "No Response"},
> > + {EFI_NO_MAPPING, "No Mapping"},
> > + {EFI_TIMEOUT, "Timeout"},
> > + {EFI_NOT_STARTED, "Not Started"},
> > + {EFI_ALREADY_STARTED, "Already Started"},
> > + {EFI_ABORTED, "Aborted"},
> > + {EFI_ICMP_ERROR, "ICMP Error"},
> > + {EFI_TFTP_ERROR, "TFTP Error"},
> > + {EFI_PROTOCOL_ERROR, "Protocol Error"},
> > + {EFI_INCOMPATIBLE_VERSION, "Incompatible Version"},
> > + {EFI_SECURITY_VIOLATION, "Security Violation"},
> > + {EFI_CRC_ERROR, "CRC Error"},
> > + {EFI_END_OF_MEDIA, "End of Media"},
> > + {EFI_END_OF_FILE, "End of File"},
> > + {EFI_INVALID_LANGUAGE, "Invalid Language"},
> > + {EFI_COMPROMISED_DATA, "Compromised Data"},
> > + {EFI_IP_ADDRESS_CONFLICT, "IP Address Conflict"},
> > + {EFI_HTTP_ERROR, "HTTP Error"},
> > + {EFI_WARN_UNKNOWN_GLYPH, "Warn Unknown Glyph"},
> > + {EFI_WARN_DELETE_FAILURE, "Warn Delete Failure"},
> > + {EFI_WARN_WRITE_FAILURE, "Warn Write Failure"},
> > + {EFI_WARN_BUFFER_TOO_SMALL, "Warn Buffer Too Small"},
> > + {EFI_WARN_STALE_DATA, "Warn Stale Data"},
> > + {EFI_WARN_FILE_SYSTEM, "Warn File System"},
> > + {EFI_WARN_RESET_REQUIRED, "Warn Reset Required"},
> > + {0, ""},
> > +};
> > +
> > +/**
> > + * struct get_status_str - get status string
> > + *
> > + * @status: efi_status_t value to covert to string
> > + * Return: pointer to the string
> > + */
> > +static char *get_error_str(efi_status_t status)
> > +{
> > + u32 i;
> > +
> > + for (i = 0; status_str_table[i].status != 0; i++) {
> > + if (status == status_str_table[i].status)
> > + return status_str_table[i].str;
> > + }
> > + return status_str_table[i].str;
> > +}
> > +
> > /**
> > * eficonfig_print_msg() - print message
> > *
> > * display the message to the user, user proceeds the screen
> > * with any key press.
> > *
> > - * @items: pointer to the structure of each menu entry
> > - * @count: the number of menu entry
> > - * @menu_header: pointer to the menu header string
> > - * Return: status code
> > + * @msg: pointer to the error message
> > + * @status: efi status code, set 0 if no status string output
> > */
> > -void eficonfig_print_msg(char *msg)
> > +void eficonfig_print_msg(const char *msg, efi_status_t status)
> > {
> > + char str[128];
> > +
> > + if (status == 0)
> > + snprintf(str, sizeof(str), "%s", msg);
> > + else
> > + snprintf(str, sizeof(str), "%s (%s)", msg, get_error_str(status));
> > +
> > /* Flush input */
> > while (tstc())
> > getchar();
> > @@ -171,7 +242,7 @@ void eficonfig_print_msg(char *msg)
> > printf(ANSI_CURSOR_HIDE
> > ANSI_CLEAR_CONSOLE
> > ANSI_CURSOR_POSITION
> > - "%s\n\n Press any key to continue", 3, 4, msg);
> > + "%s\n\n Press any key to continue", 3, 4, str);
> >
> > getchar();
> > }
> > @@ -580,7 +651,7 @@ static efi_status_t eficonfig_file_selected(void *data)
> > new_len = u16_strlen(info->file_info->current_path) +
> > strlen(info->file_name);
> > if (new_len >= EFICONFIG_FILE_PATH_MAX) {
> > - eficonfig_print_msg("File path is too long!");
> > + eficonfig_print_msg("File path is too long!", 0);
> > return EFI_INVALID_PARAMETER;
> > }
> > tmp = &info->file_info->current_path[u16_strlen(info->file_info->current_path)];
> > @@ -626,7 +697,7 @@ static efi_status_t eficonfig_select_volume(struct eficonfig_select_file_info *f
> > ret = efi_locate_handle_buffer_int(BY_PROTOCOL, &efi_simple_file_system_protocol_guid,
> > NULL, &count, (efi_handle_t **)&volume_handles);
> > if (ret != EFI_SUCCESS) {
> > - eficonfig_print_msg("No block device found!");
> > + eficonfig_print_msg("No block device found!", ret);
> > return ret;
> > }
> >
> > @@ -850,7 +921,7 @@ static efi_status_t eficonfig_show_file_selection(struct eficonfig_select_file_i
> > ret = EFI_CALL(root->open(root, &f, file_info->current_path,
> > EFI_FILE_MODE_READ, 0));
> > if (ret != EFI_SUCCESS) {
> > - eficonfig_print_msg("Reading volume failed!");
> > + eficonfig_print_msg("Reading volume failed!", ret);
> > free(efi_menu);
> > ret = EFI_ABORTED;
> > goto out;
> > @@ -990,12 +1061,12 @@ static efi_status_t eficonfig_boot_edit_save(void *data)
> > struct eficonfig_boot_option *bo = data;
> >
> > if (u16_strlen(bo->description) == 0) {
> > - eficonfig_print_msg("Boot Description is empty!");
> > + eficonfig_print_msg("Boot Description is empty!", 0);
> > bo->edit_completed = false;
> > return EFI_NOT_READY;
> > }
> > if (u16_strlen(bo->file_info.current_path) == 0) {
> > - eficonfig_print_msg("File is not selected!");
> > + eficonfig_print_msg("File is not selected!", 0);
> > bo->edit_completed = false;
> > return EFI_NOT_READY;
> > }
> > @@ -2658,7 +2729,7 @@ static efi_status_t eficonfig_init(void)
> > avail_row = rows - (EFICONFIG_MENU_HEADER_ROW_NUM +
> > EFICONFIG_MENU_DESC_ROW_NUM);
> > if (avail_row <= 0) {
> > - eficonfig_print_msg("Console size is too small!");
> > + eficonfig_print_msg("Console size is too small!", 0);
> > return EFI_INVALID_PARAMETER;
> > }
> > /* TODO: Should we check the minimum column size? */
> > diff --git a/cmd/eficonfig_sbkey.c b/cmd/eficonfig_sbkey.c
> > index caca27495e..7ae1953567 100644
> > --- a/cmd/eficonfig_sbkey.c
> > +++ b/cmd/eficonfig_sbkey.c
> > @@ -150,7 +150,7 @@ static efi_status_t eficonfig_process_enroll_key(void *data)
> > free(buf);
> >
> > if (!size) {
> > - eficonfig_print_msg("ERROR! File is empty.");
> > + eficonfig_print_msg("ERROR! File is empty.", 0);
> > ret = EFI_INVALID_PARAMETER;
> > goto out;
> > }
> > @@ -163,11 +163,13 @@ static efi_status_t eficonfig_process_enroll_key(void *data)
> >
> > ret = EFI_CALL(f->read(f, &size, buf));
> > if (ret != EFI_SUCCESS) {
> > - eficonfig_print_msg("ERROR! Failed to read file.");
> > + eficonfig_print_msg("ERROR! Failed to read file.", ret);
> > goto out;
> > }
> > if (!file_have_auth_header(buf, size)) {
> > - eficonfig_print_msg("ERROR! Invalid file format. Only .auth variables is allowed.");
> > + eficonfig_print_msg(
> > + "ERROR! Invalid file format. Only .auth variables is allowed.",
> > + 0);
> > ret = EFI_INVALID_PARAMETER;
> > goto out;
> > }
> > @@ -175,7 +177,7 @@ static efi_status_t eficonfig_process_enroll_key(void *data)
> > ret = file_is_null_key((struct efi_variable_authentication_2 *)buf,
> > size, &null_key);
> > if (ret != EFI_SUCCESS) {
> > - eficonfig_print_msg("ERROR! Invalid file format.");
> > + eficonfig_print_msg("ERROR! Invalid file format.", ret);
> > goto out;
> > }
> >
> > @@ -202,7 +204,7 @@ static efi_status_t eficonfig_process_enroll_key(void *data)
> > ret = efi_set_variable_int((u16 *)data, efi_auth_var_get_guid((u16 *)data),
> > attr, size, buf, false);
> > if (ret != EFI_SUCCESS)
> > - eficonfig_print_msg("ERROR! Failed to update signature database");
> > + eficonfig_print_msg("ERROR! Failed to update signature database", ret);
> >
> > out:
> > free(file_info.current_path);
> > @@ -283,7 +285,7 @@ static efi_status_t eficonfig_process_show_siglist(void *data)
> > break;
> > }
> > default:
> > - eficonfig_print_msg("ERROR! Unsupported format.");
> > + eficonfig_print_msg("ERROR! Unsupported format.", 0);
> > return EFI_INVALID_PARAMETER;
> > }
> > }
> > @@ -394,7 +396,7 @@ static efi_status_t enumerate_and_show_signature_database(void *varname)
> >
> > db = efi_get_var(varname, efi_auth_var_get_guid(varname), &db_size);
> > if (!db) {
> > - eficonfig_print_msg("There is no entry in the signature database.");
> > + eficonfig_print_msg("There is no entry in the signature database.", 0);
> > return EFI_NOT_FOUND;
> > }
> >
> > diff --git a/include/efi_config.h b/include/efi_config.h
> > index 01ce9b2b06..19b1686907 100644
> > --- a/include/efi_config.h
> > +++ b/include/efi_config.h
> > @@ -93,7 +93,7 @@ struct eficonfig_select_file_info {
> > bool file_selected;
> > };
> >
> > -void eficonfig_print_msg(char *msg);
> > +void eficonfig_print_msg(const char *msg, efi_status_t status);
> > void eficonfig_print_entry(void *data);
> > void eficonfig_display_statusline(struct menu *m);
> > char *eficonfig_choice_entry(void *data);
>
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