[GNUnet-SVN] [gnurl] 208/219: curl: report error for "--no-" on non-boolean options

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ng0 pushed a commit to branch master
in repository gnurl.

commit 31b77c1877a807ab6184b22ab2310e096536b9b5
Author: Daniel Stenberg <address@hidden>
AuthorDate: Mon May 20 10:51:53 2019 +0200

    curl: report error for "--no-" on non-boolean options
    
    Reported-by: Olen Andoni
    Fixes #3906
    Closes #3907
---
 src/tool_getparam.c     |  5 +++++
 src/tool_getparam.h     |  3 ++-
 src/tool_helpers.c      |  4 +++-
 tests/data/Makefile.inc |  2 +-
 tests/data/test333      | 35 +++++++++++++++++++++++++++++++++++
 5 files changed, 46 insertions(+), 3 deletions(-)

diff --git a/src/tool_getparam.c b/src/tool_getparam.c
index b133cb87e..b347121f8 100644
--- a/src/tool_getparam.c
+++ b/src/tool_getparam.c
@@ -515,11 +515,13 @@ ParameterError getparameter(const char *flag, /* f or 
-long-flag */
     const char *word = ('-' == flag[0]) ? flag + 2 : flag;
     size_t fnam = strlen(word);
     int numhits = 0;
+    bool noflagged = FALSE;
 
     if(!strncmp(word, "no-", 3)) {
       /* disable this option but ignore the "no-" part when looking for it */
       word += 3;
       toggle = FALSE;
+      noflagged = TRUE;
     }
 
     for(j = 0; j < sizeof(aliases)/sizeof(aliases[0]); j++) {
@@ -543,6 +545,9 @@ ParameterError getparameter(const char *flag, /* f or 
-long-flag */
     if(hit < 0) {
       return PARAM_OPTION_UNKNOWN;
     }
+    if(noflagged && (aliases[hit].desc != ARG_BOOL))
+      /* --no- prefixed an option that isn't boolean! */
+      return PARAM_NO_NOT_BOOLEAN;
   }
   else {
     flag++; /* prefixed with one dash, pass it */
diff --git a/src/tool_getparam.h b/src/tool_getparam.h
index daf83b884..f6fcd5a35 100644
--- a/src/tool_getparam.h
+++ b/src/tool_getparam.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <address@hidden>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -42,6 +42,7 @@ typedef enum {
   PARAM_NEXT_OPERATION,
   PARAM_NO_PREFIX,
   PARAM_NUMBER_TOO_LARGE,
+  PARAM_NO_NOT_BOOLEAN,
   PARAM_LAST
 } ParameterError;
 
diff --git a/src/tool_helpers.c b/src/tool_helpers.c
index b3a9516a8..61788b7f8 100644
--- a/src/tool_helpers.c
+++ b/src/tool_helpers.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <address@hidden>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -66,6 +66,8 @@ const char *param2text(int res)
     return "the given option can't be reversed with a --no- prefix";
   case PARAM_NUMBER_TOO_LARGE:
     return "too large number";
+  case PARAM_NO_NOT_BOOLEAN:
+    return "used '--no-' for option that isn't a boolean";
   default:
     return "unknown error";
   }
diff --git a/tests/data/Makefile.inc b/tests/data/Makefile.inc
index 9b26b1e0a..afea1fb83 100644
--- a/tests/data/Makefile.inc
+++ b/tests/data/Makefile.inc
@@ -56,7 +56,7 @@ test289 test290 test291 test292 test293 test294 test295 
test296 test297 \
 test298 test299 test300 test301 test302 test303 test304 test305 test306 \
 test307 test308 test309 test310 test311 test312 test313 test314 test315 \
 test316 test317 test318 test319 test320 test321 test322 test323 test324 \
-test325 test326 test327 test328 test329 test330 test331 test332 \
+test325 test326 test327 test328 test329 test330 test331 test332 test333 \
 \
 test340 \
 \
diff --git a/tests/data/test333 b/tests/data/test333
new file mode 100644
index 000000000..198af9c86
--- /dev/null
+++ b/tests/data/test333
@@ -0,0 +1,35 @@
+<testcase>
+<info>
+<keywords>
+command-line
+</keywords>
+</info>
+
+#
+# Server-side
+<reply>
+</reply>
+
+#
+# Client-side
+<client>
+<server>
+none
+</server>
+ <name>
+Try a non-boolean command line option with --no-
+ </name>
+ <command>
+--no-proxy "hey" http://%HOSTIP:%HTTPPORT/333
+</command>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+# detected the bad --no- prefix
+<errorcode>
+2
+</errorcode>
+</verify>
+</testcase>

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