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libsemanage-2.8-4 

- Reset umask before creating directories (#1186422)
This commit is contained in:
Petr Lautrbach 2018-09-04 09:20:24 +02:00
parent c5af50ed1a
commit 0e04653dfb
2 changed files with 163 additions and 2 deletions
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158
libsemanage-fedora.patch
View File

@ -0,0 +1,158 @@
diff --git libsemanage-2.8/src/semanage_store.c libsemanage-2.8/src/semanage_store.c
index f1984c5..58dded6 100644
--- libsemanage-2.8/src/semanage_store.c
+++ libsemanage-2.8/src/semanage_store.c
@@ -541,14 +541,18 @@ int semanage_create_store(semanage_handle_t * sh, int create)
struct stat sb;
const char *path = semanage_files[SEMANAGE_ROOT];
int fd;
+ mode_t mask;
if (stat(path, &sb) == -1) {
if (errno == ENOENT && create) {
+ mask = umask(0077);
if (mkdir(path, S_IRWXU) == -1) {
+ umask(mask);
ERR(sh, "Could not create module store at %s.",
path);
return -2;
}
+ umask(mask);
} else {
if (create)
ERR(sh,
@@ -567,12 +571,15 @@ int semanage_create_store(semanage_handle_t * sh, int create)
path = semanage_path(SEMANAGE_ACTIVE, SEMANAGE_TOPLEVEL);
if (stat(path, &sb) == -1) {
if (errno == ENOENT && create) {
+ mask = umask(0077);
if (mkdir(path, S_IRWXU) == -1) {
+ umask(mask);
ERR(sh,
"Could not create module store, active subdirectory at %s.",
path);
return -2;
}
+ umask(mask);
} else {
ERR(sh,
"Could not read from module store, active subdirectory at %s.",
@@ -590,12 +597,15 @@ int semanage_create_store(semanage_handle_t * sh, int create)
path = semanage_path(SEMANAGE_ACTIVE, SEMANAGE_MODULES);
if (stat(path, &sb) == -1) {
if (errno == ENOENT && create) {
+ mask = umask(0077);
if (mkdir(path, S_IRWXU) == -1) {
+ umask(mask);
ERR(sh,
"Could not create module store, active modules subdirectory at %s.",
path);
return -2;
}
+ umask(mask);
} else {
ERR(sh,
"Could not read from module store, active modules subdirectory at %s.",
@@ -613,11 +623,14 @@ int semanage_create_store(semanage_handle_t * sh, int create)
path = semanage_files[SEMANAGE_READ_LOCK];
if (stat(path, &sb) == -1) {
if (errno == ENOENT && create) {
+ mask = umask(0077);
if ((fd = creat(path, S_IRUSR | S_IWUSR)) == -1) {
+ umask(mask);
ERR(sh, "Could not create lock file at %s.",
path);
return -2;
}
+ umask(mask);
close(fd);
} else {
ERR(sh, "Could not read lock file at %s.", path);
@@ -763,6 +776,7 @@ static int semanage_copy_dir_flags(const char *src, const char *dst, int flag)
struct stat sb;
struct dirent **names = NULL;
char path[PATH_MAX], path2[PATH_MAX];
+ mode_t mask;
if ((len = scandir(src, &names, semanage_filename_select, NULL)) == -1) {
fprintf(stderr, "Could not read the contents of %s: %s\n", src, strerror(errno));
@@ -770,10 +784,13 @@ static int semanage_copy_dir_flags(const char *src, const char *dst, int flag)
}
if (stat(dst, &sb) != 0) {
+ mask = umask(0077);
if (mkdir(dst, S_IRWXU) != 0) {
+ umask(mask);
fprintf(stderr, "Could not create %s: %s\n", dst, strerror(errno));
goto cleanup;
}
+ umask(mask);
}
for (i = 0; i < len; i++) {
@@ -785,14 +802,20 @@ static int semanage_copy_dir_flags(const char *src, const char *dst, int flag)
}
snprintf(path2, sizeof(path2), "%s/%s", dst, names[i]->d_name);
if (S_ISDIR(sb.st_mode)) {
+ mask = umask(0077);
if (mkdir(path2, 0700) == -1 ||
semanage_copy_dir_flags(path, path2, flag) == -1) {
+ umask(mask);
goto cleanup;
}
+ umask(mask);
} else if (S_ISREG(sb.st_mode) && flag == 1) {
+ mask = umask(0077);
if (semanage_copy_file(path, path2, sb.st_mode) < 0) {
+ umask(mask);
goto cleanup;
}
+ umask(mask);
}
}
retval = 0;
@@ -872,16 +895,20 @@ int semanage_mkdir(semanage_handle_t *sh, const char *path)
{
int status = 0;
struct stat sb;
+ mode_t mask;
/* check if directory already exists */
if (stat(path, &sb) != 0) {
/* make the modules directory */
+ mask = umask(0077);
if (mkdir(path, S_IRWXU) != 0) {
+ umask(mask);
ERR(sh, "Cannot make directory at %s", path);
status = -1;
goto cleanup;
}
+ umask(mask);
}
else {
/* check that it really is a directory */
@@ -906,6 +933,7 @@ int semanage_make_sandbox(semanage_handle_t * sh)
const char *sandbox = semanage_path(SEMANAGE_TMP, SEMANAGE_TOPLEVEL);
struct stat buf;
int errsv;
+ mode_t mask;
if (stat(sandbox, &buf) == -1) {
if (errno != ENOENT) {
@@ -922,12 +950,15 @@ int semanage_make_sandbox(semanage_handle_t * sh)
}
}
+ mask = umask(0077);
if (mkdir(sandbox, S_IRWXU) == -1 ||
semanage_copy_dir(semanage_path(SEMANAGE_ACTIVE, SEMANAGE_TOPLEVEL),
sandbox) == -1) {
+ umask(mask);
ERR(sh, "Could not copy files to sandbox %s.", sandbox);
goto cleanup;
}
+ umask(mask);
return 0;
cleanup:

7
libsemanage.spec
View File

@ -4,13 +4,13 @@
Summary: SELinux binary policy manipulation library
Name: libsemanage
Version: 2.8
Release: 3%{?dist}
Release: 4%{?dist}
License: LGPLv2+
Source: https://raw.githubusercontent.com/wiki/SELinuxProject/selinux/files/releases/20180524/libsemanage-2.8.tar.gz
# download https://raw.githubusercontent.com/fedora-selinux/scripts/master/selinux/make-fedora-selinux-patch.sh
# run:
# $ VERSION=2.8 ./make-fedora-selinux-patch.sh libsemanage
# HEAD https://github.com/fedora-selinux/selinux/commit/0e84c8fe6bb895d22f706be1c8f59119c6427f64
# HEAD https://github.com/fedora-selinux/selinux/commit/db1433d3b785eadb4eecf5c82430d57c92855a35
# Patch1: libsemanage-fedora.patch
URL: https://github.com/SELinuxProject/selinux/wiki
Source1: semanage.conf
@ -179,6 +179,9 @@ sed -i '1s%\(#! */usr/bin/python\)\([^3].*\|\)$%\13\2%' %{buildroot}%{_libexecdi
%{_libexecdir}/selinux/semanage_migrate_store
%changelog
* Tue Sep 4 2018 Petr Lautrbach <plautrba@redhat.com> - 2.8-4
- Reset umask before creating directories (#1186422)
* Fri Jul 13 2018 Fedora Release Engineering <releng@fedoraproject.org> - 2.8-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild