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Merge remote-tracking branch 'tor-gitlab/mr/68' into maint-0.4.4

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This commit is contained in:
Nick Mathewson 2020-07-29 12:35:57 -04:00
commit 8c92d44622
2 changed files with 7 additions and 11 deletions
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8
src/app/main/main.c
View File

@ -841,8 +841,10 @@ sandbox_init_filter(void)
OPEN_DATADIR2(name, name2 suffix); \
} while (0)
// KeyDirectory is a directory, but it is only opened in check_private_dir
// which calls open instead of opendir
#define OPEN_KEY_DIRECTORY() \
OPENDIR(options->KeyDirectory)
OPEN(options->KeyDirectory)
#define OPEN_CACHEDIR(name) \
sandbox_cfg_allow_open_filename(&cfg, get_cachedir_fname(name))
#define OPEN_CACHEDIR_SUFFIX(name, suffix) do { \
@ -856,7 +858,9 @@ sandbox_init_filter(void)
OPEN_KEYDIR(name suffix); \
} while (0)
OPENDIR(options->DataDirectory);
// DataDirectory is a directory, but it is only opened in check_private_dir
// which calls open instead of opendir
OPEN(options->DataDirectory);
OPEN_KEY_DIRECTORY();
OPEN_CACHEDIR_SUFFIX("cached-certs", ".tmp");

10
src/lib/sandbox/sandbox.c
View File

@ -671,15 +671,7 @@ sb_opendir(scmp_filter_ctx ctx, sandbox_cfg_t *filter)
if (param != NULL && param->prot == 1 && param->syscall
== PHONY_OPENDIR_SYSCALL) {
if (libc_uses_openat_for_opendir()) {
rc = seccomp_rule_add_3(ctx, SCMP_ACT_ALLOW, SCMP_SYS(openat),
SCMP_CMP_NEG(0, SCMP_CMP_EQ, AT_FDCWD),
SCMP_CMP_STR(1, SCMP_CMP_EQ, param->value),
SCMP_CMP(2, SCMP_CMP_EQ, O_RDONLY|O_NONBLOCK|O_LARGEFILE|
O_DIRECTORY|O_CLOEXEC));
} else {
rc = allow_file_open(ctx, 0, param->value);
}
rc = allow_file_open(ctx, libc_uses_openat_for_opendir(), param->value);
if (rc != 0) {
log_err(LD_BUG,"(Sandbox) failed to add openat syscall, received "
"libseccomp error %d", rc);