Do not loop i the OpenSSL UI method any more. Instead, letthe
authorRichard Levitte <levitte@openssl.org>
Sat, 23 Jun 2001 16:25:56 +0000 (16:25 +0000)
committerRichard Levitte <levitte@openssl.org>
Sat, 23 Jun 2001 16:25:56 +0000 (16:25 +0000)
application do that.

NOTE: there's no requirement for other UI_METHODs to avoid this kind
of loop.  For example, a GUI UI_METHOD would probably check the
lengths of the answers from within instead of being constantly
redisplayed for everything that is wrong.

crypto/ui/ui_openssl.c

index 7c988aa708ca97850a84a97a7d84184fd75ce638..bd4ac05745864d10a6951cd5fd7ecfc41fd669ab 100644 (file)
@@ -280,7 +280,7 @@ static void popsig(void);
 #if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN16)
 static int noecho_fgets(char *buf, int size, FILE *tty);
 #endif
-static int read_string_inner(UI *ui, UI_STRING *uis, int echo);
+static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl);
 
 static int read_string(UI *ui, UI_STRING *uis);
 static int write_string(UI *ui, UI_STRING *uis);
@@ -313,13 +313,13 @@ static int write_string(UI *ui, UI_STRING *uis)
        {
        switch (UI_get_string_type(uis))
                {
-       case UIT_VERIFY:
-       case UIT_PROMPT:
-               break;
-       default:
+       case UIT_ERROR:
+       case UIT_INFO:
                fputs(UI_get0_output_string(uis), tty_out);
                fflush(tty_out);
                break;
+       default:
+               break;
                }
        return 1;
        }
@@ -330,17 +330,23 @@ static int read_string(UI *ui, UI_STRING *uis)
 
        switch (UI_get_string_type(uis))
                {
+       case UIT_BOOLEAN:
+               fputs(UI_get0_output_string(uis), tty_out);
+               fputs(UI_get0_action_string(uis), tty_out);
+               fflush(tty_out);
+               return read_string_inner(ui, uis,
+                       UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 0);
        case UIT_PROMPT:
                fputs(UI_get0_output_string(uis), tty_out);
                fflush(tty_out);
                return read_string_inner(ui, uis,
-                       UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO);
+                       UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1);
        case UIT_VERIFY:
                fprintf(tty_out,"Verifying - %s",
                        UI_get0_output_string(uis));
                fflush(tty_out);
                if ((ok = read_string_inner(ui, uis,
-                       UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO)) <= 0)
+                       UI_get_input_flags(uis) & UI_INPUT_FLAG_ECHO, 1)) <= 0)
                        return ok;
                if (strcmp(UI_get0_result_string(uis),
                        UI_get0_test_string(uis)) != 0)
@@ -368,12 +374,13 @@ static void read_till_nl(FILE *in)
                } while (strchr(buf,'\n') == NULL);
        }
 
-static int read_string_inner(UI *ui, UI_STRING *uis, int echo)
+static int read_string_inner(UI *ui, UI_STRING *uis, int echo, int strip_nl)
        {
        static int ps;
        int ok;
-       char *result = OPENSSL_malloc(BUFSIZ);
+       char result[BUFSIZ];
        int maxsize = BUFSIZ-1;
+       char *p;
 
 #ifndef OPENSSL_SYS_WIN16
        if ((ok = setjmp(save)))
@@ -390,28 +397,26 @@ static int read_string_inner(UI *ui, UI_STRING *uis, int echo)
        if (!echo) noecho_console(ui);
        ps=2;
 
-       while (!ok)
-               {
-               char *p;
-
-               result[0]='\0';
+       result[0]='\0';
 #ifdef OPENSSL_SYS_MSDOS
-               if (!echo)
-                       noecho_fgets(result,maxsize,tty_in);
-               else
-                       fgets(result,maxsize,tty_in);
-#else
+       if (!echo)
+               noecho_fgets(result,maxsize,tty_in);
+       else
                fgets(result,maxsize,tty_in);
+#else
+       fgets(result,maxsize,tty_in);
 #endif
-               if (feof(tty_in)) goto error;
-               if (ferror(tty_in)) goto error;
-               if ((p=(char *)strchr(result,'\n')) != NULL)
+       if (feof(tty_in)) goto error;
+       if (ferror(tty_in)) goto error;
+       if ((p=(char *)strchr(result,'\n')) != NULL)
+               {
+               if (strip_nl)
                        *p='\0';
-               else
-                       read_till_nl(tty_in);
-               if (UI_set_result(uis, result) >= 0)
-                       ok=1;
                }
+       else
+               read_till_nl(tty_in);
+       if (UI_set_result(ui, uis, result) >= 0)
+               ok=1;
 
 error:
        if (!echo) fprintf(tty_out,"\n");
@@ -421,11 +426,10 @@ error:
        if (ps >= 1)
                popsig();
 #else
-       memset(result,0,BUFSIZ);
        ok=1;
 #endif
 
-       OPENSSL_free(result);
+       memset(result,0,BUFSIZ);
        return ok;
        }