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-rw-r--r--src/Makefile.am1
-rw-r--r--src/args.cc63
-rw-r--r--src/args.hh22
-rw-r--r--test/.gitignore1
-rw-r--r--test/Makefile.am6
-rw-r--r--test/test-args.cc104
6 files changed, 196 insertions, 1 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 5a779fa..54ff40d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -12,6 +12,7 @@ libcgi_la_SOURCES = cgi.hh common.hh cgi.cc \
query_parser.hh query_parser.cc \
header_parser.hh header_parser.cc \
strutils.hh strutils.cc \
+ args.hh args.cc \
multipart_formdata_parser.hh multipart_formdata_parser.cc
libcgi_la_CPPFLAGS = $(AM_CPPFLAGS) @FASTCGI_CFLAGS@
libcgi_la_LIBADD = @FASTCGI_LIBS@
diff --git a/src/args.cc b/src/args.cc
new file mode 100644
index 0000000..1c0ce17
--- /dev/null
+++ b/src/args.cc
@@ -0,0 +1,63 @@
+#include "common.hh"
+
+#include "args.hh"
+
+namespace stuff {
+
+// static
+bool Args::parse(const std::string& input, std::vector<std::string>* output,
+ bool nice) {
+ size_t last = 0, i = 0;
+ std::string arg;
+ output->clear();
+ while (i < input.size() && input[i] == ' ') ++i;
+ if (i == input.size()) return true;
+ while (i < input.size()) {
+ if (input[i] == ' ') {
+ arg.append(input.substr(last, i - last));
+ output->push_back(arg);
+ arg.clear();
+ ++i;
+ while (i < input.size() && input[i] == ' ') ++i;
+ if (i == input.size()) return true;
+ last = i;
+ } else if (input[i] == '\'' || input[i] == '"') {
+ const char closing = input[i];
+ std::string text;
+ size_t j = i + 1;
+ size_t last_j = j;
+ while (j < input.size()) {
+ if (input[j] == closing) {
+ break;
+ } else if (input[j] == '\\') {
+ text.append(input.substr(last_j, j - last_j));
+ if (j == input.size()) {
+ if (!nice) return false;
+ break;
+ }
+ text.push_back(input[++j]);
+ last_j = ++j;
+ } else {
+ ++j;
+ }
+ }
+ if (j < input.size()) {
+ arg.append(input.substr(last, i - last));
+ arg.append(text);
+ arg.append(input.substr(last_j, j - last_j));
+ last = i = j + 1;
+ } else {
+ // No closing char
+ if (!nice) return false;
+ ++i;
+ }
+ } else {
+ ++i;
+ }
+ }
+ arg.append(input.substr(last, i - last));
+ output->push_back(arg);
+ return true;
+}
+
+} // namespace stuff
diff --git a/src/args.hh b/src/args.hh
new file mode 100644
index 0000000..7a0f4fc
--- /dev/null
+++ b/src/args.hh
@@ -0,0 +1,22 @@
+#ifndef ARGS_HH
+#define ARGS_HH
+
+#include <string>
+#include <vector>
+
+namespace stuff {
+
+class Args {
+public:
+ static bool parse(const std::string& input,
+ std::vector<std::string>* output,
+ bool nice = true);
+
+private:
+ Args() = delete;
+ ~Args() = delete;
+};
+
+} // namespace stuff
+
+#endif /* ARGS_HH */
diff --git a/test/.gitignore b/test/.gitignore
index 8ab7990..d859557 100644
--- a/test/.gitignore
+++ b/test/.gitignore
@@ -3,3 +3,4 @@
/test-header-parser
/test-multipart-formdata-parser
/test-query-parser
+/test-args
diff --git a/test/Makefile.am b/test/Makefile.am
index 3017b6f..5711aa4 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -2,7 +2,8 @@ MAINTAINERCLEANFILES = Makefile.in
AM_CPPFLAGS = @DEFINES@ -I$(top_builddir)/src
-TESTS = test-query-parser test-header-parser test-multipart-formdata-parser
+TESTS = test-query-parser test-header-parser test-multipart-formdata-parser \
+ test-args
check_PROGRAMS = $(TESTS)
@@ -14,3 +15,6 @@ test_header_parser_LDADD = $(top_srcdir)/src/libcgi.la
test_multipart_formdata_parser_SOURCES = test-multipart-formdata-parser.cc
test_multipart_formdata_parser_LDADD = $(top_srcdir)/src/libcgi.la
+
+test_args_SOURCES = test-args.cc
+test_args_LDADD = $(top_srcdir)/src/libcgi.la
diff --git a/test/test-args.cc b/test/test-args.cc
new file mode 100644
index 0000000..a9d4328
--- /dev/null
+++ b/test/test-args.cc
@@ -0,0 +1,104 @@
+#include "common.hh"
+
+#include <cstdarg>
+#include <iostream>
+
+#include "args.hh"
+
+using namespace stuff;
+
+namespace {
+
+bool compare(const std::string& in, const std::vector<std::string>& out,
+ va_list args) {
+ for (const auto& arg : out) {
+ const char* str = va_arg(args, const char*);
+ if (!str) {
+ std::cerr << "expected less arguments: " << in
+ << ", first extra: " << arg << std::endl;
+ return false;
+ }
+ if (arg.compare(str) != 0) {
+ std::cerr << "expected " << str << " in " << in
+ << ", got: " << arg << std::endl;
+ return false;
+ }
+ }
+ const char* str = va_arg(args, const char*);
+ if (str) {
+ std::cerr << "expected more arguments: " << in
+ << ", missing: " << str << std::endl;
+ return false;
+ }
+ return true;
+}
+
+bool test(const char* in, ...) {
+ std::vector<std::string> out;
+ if (!Args::parse(in, &out, false)) {
+ std::cerr << "expected success: " << in << std::endl;
+ return false;
+ }
+ va_list args;
+ va_start(args, in);
+ bool ret = compare(in, out, args);
+ va_end(args);
+ return ret;
+}
+
+bool test_nice(const char* in, ...) {
+ std::vector<std::string> out;
+ if (!Args::parse(in, &out, true)) {
+ std::cerr << "expected success: " << in << std::endl;
+ return false;
+ }
+ va_list args;
+ va_start(args, in);
+ bool ret = compare(in, out, args);
+ va_end(args);
+ return ret;
+}
+
+bool test_fail(const std::string& in) {
+ std::vector<std::string> out;
+ if (Args::parse(in, &out, false)) {
+ std::cerr << "expected fail: " << in << std::endl;
+ return false;
+ }
+ return true;
+}
+
+} // namespace
+
+int main() {
+ unsigned int ok = 0, tot = 0;
+
+ tot++; if (test("", NULL)) ok++;
+ tot++; if (test("foo", "foo", NULL)) ok++;
+ tot++; if (test("hello world", "hello", "world", NULL)) ok++;
+ tot++; if (test("\"hello world\"", "hello world", NULL)) ok++;
+ tot++; if (test("'hello world'", "hello world", NULL)) ok++;
+ tot++; if (test("a' b'", "a b", NULL)) ok++;
+ tot++; if (test("a'b'ba", "abba", NULL)) ok++;
+ tot++; if (test("a'b'b '' a", "abb", "", "a", NULL)) ok++;
+ tot++; if (test("'\"'", "\"", NULL)) ok++;
+ tot++; if (test("'\\\"'", "\"", NULL)) ok++;
+ tot++; if (test("'\\\\'", "\\", NULL)) ok++;
+ tot++; if (test("'\\''", "'", NULL)) ok++;
+ tot++; if (test("'a\\'b'", "a'b", NULL)) ok++;
+ tot++; if (test("a'\\''b", "a'b", NULL)) ok++;
+
+ tot++; if (test_nice("a'b", "a'b", NULL)) ok++;
+ tot++; if (test_nice("a'b foo", "a'b", "foo", NULL)) ok++;
+ tot++; if (test_nice("'\\", "'\\", NULL)) ok++;
+ tot++; if (test_nice("'\\'", "'\\'", NULL)) ok++;
+
+ tot++; if (test_fail("'")) ok++;
+ tot++; if (test_fail("'''")) ok++;
+ tot++; if (test_fail("\"")) ok++;
+ tot++; if (test_fail("'\\")) ok++;
+ tot++; if (test_fail("'\\'")) ok++;
+
+ std::cout << "OK " << ok << "/" << tot << std::endl;
+ return ok == tot ? EXIT_SUCCESS : EXIT_FAILURE;
+}