1 files changed, 119 insertions, 0 deletions
diff --git a/pigeonhole/src/lib-sieve/plugins/enotify/vmodf-encodeurl.c b/pigeonhole/src/lib-sieve/plugins/enotify/vmodf-encodeurl.c
new file mode 100644
index 0000000..801f882
--- /dev/null
+++ b/pigeonhole/src/lib-sieve/plugins/enotify/vmodf-encodeurl.c
@@ -0,0 +1,119 @@
+/* Copyright (c) 2002-2018 Pigeonhole authors, see the included COPYING file
+ */
+
+#include "lib.h"
+#include "unichar.h"
+#include "str.h"
+
+#include "sieve-common.h"
+#include "sieve-code.h"
+
+#include "sieve-ext-variables.h"
+
+#include "ext-enotify-common.h"
+
+/*
+ * Encodeurl modifier
+ */
+
+static bool
+mod_encodeurl_modify(const struct sieve_variables_modifier *modf,
+		     string_t *in, string_t **result);
+
+const struct sieve_variables_modifier_def encodeurl_modifier = {
+	SIEVE_OBJECT("encodeurl", &encodeurl_operand, 0),
+	15,
+	mod_encodeurl_modify
+};
+
+/*
+ * Modifier operand
+ */
+
+static const struct sieve_extension_objects ext_enotify_modifiers =
+	SIEVE_VARIABLES_DEFINE_MODIFIER(encodeurl_modifier);
+
+const struct sieve_operand_def encodeurl_operand = {
+	.name = "modifier",
+	.ext_def = &enotify_extension,
+	.class = &sieve_variables_modifier_operand_class,
+	.interface = &ext_enotify_modifiers
+};
+
+/*
+ * Modifier implementation
+ */
+
+static const char _uri_reserved_lookup[256] = {
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  // 00
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  // 10
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1,  // 20
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1,  // 30
+	1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  // 40
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0,  // 50
+	1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  // 60
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1,  // 70
+
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  // 80
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  // 90
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  // A0
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  // B0
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  // C0
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  // D0
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  // E0
+	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  // F0
+};
+
+static bool
+mod_encodeurl_modify(const struct sieve_variables_modifier *modf,
+		     string_t *in, string_t **result)
+{
+	size_t max_var_size =
+		sieve_variables_get_max_variable_size(modf->var_ext);
+	const unsigned char *p, *poff, *pend;
+	size_t new_size;
+
+	if ( str_len(in) == 0 ) {
+		*result = in;
+		return TRUE;
+	}
+
+	/* allocate new string */
+	new_size = str_len(in) + 32;
+	if (new_size > max_var_size)
+		new_size = max_var_size;
+	*result = t_str_new(new_size + 1);
+
+	/* escape string */
+	p = str_data(in);
+	pend = p + str_len(in);
+	poff = p;
+	while (p < pend) {
+		unsigned int i, n = uni_utf8_char_bytes(*p);
+
+		if (n > 1 || (_uri_reserved_lookup[*p] & 0x01) != 0) {
+			str_append_data(*result, poff, p - poff);
+			poff = p;
+
+			if (str_len(*result) + 3 * n > max_var_size)
+				break;
+
+			str_printfa(*result, "%%%02X", *p);
+			for (i = 1; i < n && p < pend; i++) {
+				p++;
+				poff++;
+				str_printfa(*result, "%%%02X", *p);
+			}
+
+			poff++;
+		} else if ((str_len(*result) + (p - poff) + 1) > max_var_size) {
+			break;
+		}
+		p++;
+	}
+
+	str_append_data(*result, poff, p - poff);
+	return TRUE;
+}
+
+