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authorChristian Grothoff <christian@grothoff.org>2021-08-02 19:48:37 +0200
committerChristian Grothoff <christian@grothoff.org>2021-08-02 19:48:37 +0200
commit3a6ae694ecba19af06d84906facbcb5f7d51d72b (patch)
tree8f7c57fa0233300407436b6779c1c4b468d1bf01
parent2ce37548c0b204eace2661992b23214cfd0e0b4b (diff)
downloadexchange-3a6ae694ecba19af06d84906facbcb5f7d51d72b.tar.gz
exchange-3a6ae694ecba19af06d84906facbcb5f7d51d72b.zip
-work on #6948
-rw-r--r--src/include/taler_util.h9
-rw-r--r--src/util/url.c16
2 files changed, 25 insertions, 0 deletions
diff --git a/src/include/taler_util.h b/src/include/taler_util.h
index 33c126cbc..59824a521 100644
--- a/src/include/taler_util.h
+++ b/src/include/taler_util.h
@@ -183,6 +183,15 @@ TALER_project_data_default (void);
183char * 183char *
184TALER_urlencode (const char *s); 184TALER_urlencode (const char *s);
185 185
186/**
187 * Test if all characters in @a url are valid for
188 * a URL.
189 *
190 * @param url URL to sanity-check
191 * @return true if @a url only contains valid characters
192 */
193bool
194TALER_url_valid_charset (const char *url);
186 195
187/** 196/**
188 * Check if @a lang matches the @a language_pattern, and if so with 197 * Check if @a lang matches the @a language_pattern, and if so with
diff --git a/src/util/url.c b/src/util/url.c
index 5962a18b2..3fbc4a048 100644
--- a/src/util/url.c
+++ b/src/util/url.c
@@ -365,4 +365,20 @@ TALER_url_absolute_raw (const char *proto,
365} 365}
366 366
367 367
368bool
369TALER_url_valid_charset (const char *url)
370{
371 for (unsigned int i = 0; '\0' != url[i]; i++)
372 {
373#define ALLOWED_CHARACTERS \
374 "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789/:&?-.,=_~%"
375 if (NULL == strchr (ALLOWED_CHARACTERS,
376 (int) url[i]))
377 return false;
378#undef ALLOWED_CHARACTERS
379 }
380 return true;
381}
382
383
368/* end of url.c */ 384/* end of url.c */