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Merge pull request #9219 from NixOS/backport-9130-to-2.14-maintenance

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[Backport 2.14-maintenance] [Backport 2.15-maintenance] StorePath: reject names starting with '.', Fix typo in error message of too long store path
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Robert Hensing 2023-10-23 22:43:25 +02:00 • committed by GitHub
commit d020050509
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3 changed files with 12 additions and 5 deletions
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2
src/libstore/path-regex.hh
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@ -2,6 +2,6 @@
namespace nix {
static constexpr std::string_view nameRegexStr = R"([0-9a-zA-Z\+\-\._\?=]+)";
static constexpr std::string_view nameRegexStr = R"([0-9a-zA-Z\+\-_\?=][0-9a-zA-Z\+\-\._\?=]*)";
}

6
src/libstore/path.cc
View file

@ -9,8 +9,10 @@ static void checkName(std::string_view path, std::string_view name)
if (name.empty())
throw BadStorePath("store path '%s' has an empty name", path);
if (name.size() > StorePath::MaxPathLen)
throw BadStorePath("store path '%s' has a name longer than '%d characters",
StorePath::MaxPathLen, path);
throw BadStorePath("store path '%s' has a name longer than %d characters",
path, StorePath::MaxPathLen);
if (name[0] == '.')
throw BadStorePath("store path '%s' starts with illegal character '.'", path);
// See nameRegexStr for the definition
for (auto c : name)
if (!((c >= '0' && c <= '9')

9
src/libstore/tests/path.cc
View file

@ -39,6 +39,7 @@ TEST_DONT_PARSE(double_star, "**")
TEST_DONT_PARSE(star_first, "*,foo")
TEST_DONT_PARSE(star_second, "foo,*")
TEST_DONT_PARSE(bang, "foo!o")
TEST_DONT_PARSE(dotfile, ".gitignore")
#undef TEST_DONT_PARSE
@ -101,8 +102,12 @@ Gen<StorePathName> Arbitrary<StorePathName>::arbitrary()
pre += '-';
break;
case 64:
pre += '.';
break;
// names aren't permitted to start with a period,
// so just fall through to the next case here
if (c != 0) {
pre += '.';
break;
}
case 65:
pre += '_';
break;