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Blame SOURCES/bash-4.3-cve-2016-0634.patch

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diff --git a/parse.y b/parse.y
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index 12d6def..d4a93a2 100644
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--- a/parse.y
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+++ b/parse.y
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@@ -5103,7 +5103,7 @@ decode_prompt_string (string)
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   size_t result_size;
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   int result_index;
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   int c, n, i;
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-  char *temp, octal_string[4];
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+  char *temp, *t_host, octal_string[4];
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   struct tm *tm;  
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   time_t the_time;
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   char timebuf[128];
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@@ -5251,7 +5251,11 @@ decode_prompt_string (string)
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 	    case 's':
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 	      temp = base_pathname (shell_name);
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-	      temp = savestring (temp);
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+	      /* Try to quote anything the user can set in the file system */
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+	      if (promptvars || posixly_correct)
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+		temp = sh_backslash_quote_for_double_quotes (temp);
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+	      else
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+		temp = savestring (temp);
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 	      goto add_string;
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 	    case 'v':
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@@ -5337,9 +5341,17 @@ decode_prompt_string (string)
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 	    case 'h':
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 	    case 'H':
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-	      temp = savestring (current_host_name);
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-	      if (c == 'h' && (t = (char *)strchr (temp, '.')))
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+	      t_host = savestring (current_host_name);
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+	      if (c == 'h' && (t = (char *)strchr (t_host, '.')))
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 		*t = '\0';
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+	      if (promptvars || posixly_correct)
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+		/* Make sure that expand_prompt_string is called with a
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+		   second argument of Q_DOUBLE_QUOTES if we use this
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+		   function here. */
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+		temp = sh_backslash_quote_for_double_quotes (t_host);
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+	      else
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+		temp = savestring (t_host);
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+	      free (t_host);
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 	      goto add_string;
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 	    case '#':
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diff --git a/y.tab.c b/y.tab.c
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index 23b88bc..1c0f5a1 100644
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--- a/y.tab.c
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+++ b/y.tab.c
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@@ -7368,7 +7368,7 @@ decode_prompt_string (string)
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   size_t result_size;
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   int result_index;
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   int c, n, i;
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-  char *temp, octal_string[4];
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+  char *temp, *t_host, octal_string[4];
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   struct tm *tm;  
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   time_t the_time;
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   char timebuf[128];
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@@ -7513,7 +7513,11 @@ decode_prompt_string (string)
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 	    case 's':
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 	      temp = base_pathname (shell_name);
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-	      temp = savestring (temp);
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+	      /* Try to quote anything the user can set in the file system */
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+	      if (promptvars || posixly_correct)
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+		temp = sh_backslash_quote_for_double_quotes (temp);
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+	      else
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+		temp = savestring (temp);
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 	      goto add_string;
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 	    case 'v':
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@@ -7599,9 +7603,17 @@ decode_prompt_string (string)
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 	    case 'h':
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 	    case 'H':
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-	      temp = savestring (current_host_name);
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-	      if (c == 'h' && (t = (char *)strchr (temp, '.')))
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+	      t_host = savestring (current_host_name);
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+	      if (c == 'h' && (t = (char *)strchr (t_host, '.')))
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 		*t = '\0';
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+	      if (promptvars || posixly_correct)
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+		/* Make sure that expand_prompt_string is called with a
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+		   second argument of Q_DOUBLE_QUOTES if we use this
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+		   function here. */
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+		temp = sh_backslash_quote_for_double_quotes (t_host);
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+	      else
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+		temp = savestring (t_host);
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+	      free (t_host);
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 	      goto add_string;
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 	    case '#':
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-- 
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2.9.3
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