void UI_free(UI *ui);
/* The following functions are used to add strings to be printed and prompt
- strings to prompt for data. The names are UI_{add,dup}_<function>_string,
- with the following meanings:
+ strings to prompt for data. The names are UI_{add,dup}_<function>_string
+ and UI_{add,dup}_input_boolean.
+
+ UI_{add,dup}_<function>_string have the following meanings:
add add a text or prompt string. The pointers given to these
functions are used verbatim, no copying is done.
dup make a copy of the text or prompt string, then add the copy
Honestly, there's currently no difference between info and error for the
moment.
- All of the functions in this group take a UI and a string. The input and
- verify addition functions also take a flag argument, a buffer for the result
- to end up with, a minimum input size and a maximum input size (the result
- buffer MUST be large enough to be able to contain the maximum number of
- characters). Additionally, the verify addition functions takes another
- buffer to compare the result against.
+ UI_{add,dup}_input_boolean have the same semantics for "add" and "dup",
+ and are typically used when one wants to prompt for a yes/no response.
+
+
+ All of the functions in this group take a UI and a prompt string.
+ The string input and verify addition functions also take a flag argument,
+ a buffer for the result to end up with, a minimum input size and a maximum
+ input size (the result buffer MUST be large enough to be able to contain
+ the maximum number of characters). Additionally, the verify addition
+ functions takes another buffer to compare the result against.
+ The boolean input functions take an action description string (which should
+ be safe to ignore if the expected user action is obvious, for example with
+ a dialog box with an OK button and a Cancel button), a string of acceptable
+ characters to mean OK and to mean Cancel. The two last strings are checked
+ to make sure they don't have common characters. Additionally, the same
+ flag argument as for the string input is taken, as well as a result buffer.
+ The result buffer is required to be at least one byte long. Depending on
+ the answer, the first character from the OK or the Cancel character strings
+ will be stored in the first byte of the result buffer. No NUL will be
+ added, so the result is *not* a string.
On success, the all return an index of the added information. That index
is usefull when retrieving results with UI_get0_result(). */
char *result_buf, int minsize, int maxsize, const char *test_buf);
int UI_dup_verify_string(UI *ui, const char *prompt, int flags,
char *result_buf, int minsize, int maxsize, const char *test_buf);
+int UI_add_input_boolean(UI *ui, const char *prompt, const char *action_desc,
+ const char *ok_chars, const char *cancel_chars,
+ int flags, char *result_buf);
+int UI_dup_input_boolean(UI *ui, const char *prompt, const char *action_desc,
+ const char *ok_chars, const char *cancel_chars,
+ int flags, char *result_buf);
int UI_add_info_string(UI *ui, const char *text);
int UI_dup_info_string(UI *ui, const char *text);
int UI_add_error_string(UI *ui, const char *text);
/* These are the possible flags. They can be or'ed together. */
/* Use to have echoing of input */
-#define UI_INPUT_FLAG_ECHO 0x01
-/* Use a default answer. Where that answer is found is completely up
- to the application, it might for example be in the user data set
+#define UI_INPUT_FLAG_ECHO 0x01
+/* Use a default password. Where that password is found is completely
+ up to the application, it might for example be in the user data set
with UI_add_user_data(). It is not recommended to have more than
one input in each UI being marked with this flag, or the application
might get confused. */
-#define UI_INPUT_FLAG_DEFAULT 0x02
+#define UI_INPUT_FLAG_DEFAULT_PWD 0x02
/* The user of these routines may want to define flags of their own. The core
UI won't look at those, but will pass them on to the method routines. They
/* When all strings have been added, process the whole thing. */
int UI_process(UI *ui);
+/* Give a user interface parametrised control commands. This can be used to
+ send down an integer, a data pointer or a function pointer, as well as
+ be used to get information from a UI. */
+int UI_ctrl(UI *ui, int cmd, long i, void *p, void (*f)());
+
+/* The commands */
+/* Use UI_CONTROL_PRINT_ERRORS with the value 1 to have UI_process print the
+ OpenSSL error stack before printing any info or added error messages and
+ before any prompting. */
+#define UI_CTRL_PRINT_ERRORS 1
+/* Check if a UI_process() is possible to do again with the same instance of
+ a user interface. This makes UI_ctrl() return 1 if it is redoable, and 0
+ if not. */
+#define UI_CTRL_IS_REDOABLE 2
+
+
/* Some methods may use extra data */
#define UI_set_app_data(s,arg) UI_set_ex_data(s,0,arg)
#define UI_get_app_data(s) UI_get_ex_data(s,0)
UIT_NONE=0,
UIT_PROMPT, /* Prompt for a string */
UIT_VERIFY, /* Prompt for a string and verify */
+ UIT_BOOLEAN, /* Prompt for a yes/no response */
UIT_INFO, /* Send info to the user */
UIT_ERROR /* Send an error message to the user */
};
/* Create and manipulate methods */
UI_METHOD *UI_create_method(char *name);
+void UI_destroy_method(UI_METHOD *ui_method);
int UI_method_set_opener(UI_METHOD *method, int (*opener)(UI *ui));
int UI_method_set_writer(UI_METHOD *method, int (*writer)(UI *ui, UI_STRING *uis));
int UI_method_set_flusher(UI_METHOD *method, int (*flusher)(UI *ui));
int UI_get_input_flags(UI_STRING *uis);
/* Return the actual string to output (the prompt, info or error) */
const char *UI_get0_output_string(UI_STRING *uis);
+/* Return the optional action string to output (the boolean promtp instruction) */
+const char *UI_get0_action_string(UI_STRING *uis);
/* Return the result of a prompt */
const char *UI_get0_result_string(UI_STRING *uis);
/* Return the string to test the result against. Only useful with verifies. */
/* Return the required maximum size of the result */
int UI_get_result_maxsize(UI_STRING *uis);
/* Set the result of a UI_STRING. */
-int UI_set_result(UI_STRING *uis, const char *result);
+int UI_set_result(UI *ui, UI_STRING *uis, const char *result);
/* BEGIN ERROR CODES */
/* Error codes for the UI functions. */
/* Function codes. */
+#define UI_F_GENERAL_ALLOCATE_BOOLEAN 108
+#define UI_F_GENERAL_ALLOCATE_PROMPT 109
#define UI_F_GENERAL_ALLOCATE_STRING 100
+#define UI_F_UI_CTRL 111
#define UI_F_UI_DUP_ERROR_STRING 101
#define UI_F_UI_DUP_INFO_STRING 102
+#define UI_F_UI_DUP_INPUT_BOOLEAN 110
#define UI_F_UI_DUP_INPUT_STRING 103
#define UI_F_UI_DUP_VERIFY_STRING 106
#define UI_F_UI_GET0_RESULT 107
#define UI_F_UI_SET_RESULT 105
/* Reason codes. */
+#define UI_R_COMMON_OK_AND_CANCEL_CHARACTERS 104
#define UI_R_INDEX_TOO_LARGE 102
#define UI_R_INDEX_TOO_SMALL 103
+#define UI_R_NO_RESULT_BUFFER 105
#define UI_R_RESULT_TOO_LARGE 100
#define UI_R_RESULT_TOO_SMALL 101
+#define UI_R_UNKNOWN_CONTROL_COMMAND 106
#ifdef __cplusplus
}
projects / openssl.git / blobdiff