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-rw-r--r--src/providers/krb5/krb5_auth.c6
-rw-r--r--src/providers/krb5/krb5_utils.c96
-rw-r--r--src/providers/krb5/krb5_utils.h6
3 files changed, 37 insertions, 71 deletions
diff --git a/src/providers/krb5/krb5_auth.c b/src/providers/krb5/krb5_auth.c
index 51c0d739..a4183dca 100644
--- a/src/providers/krb5/krb5_auth.c
+++ b/src/providers/krb5/krb5_auth.c
@@ -292,7 +292,6 @@ static errno_t krb5_auth_prepare_ccache_name(struct krb5child_req *kr,
struct be_ctx *be_ctx)
{
const char *ccname_template;
- bool private_path = false;
errno_t ret;
if (!kr->is_offline) {
@@ -317,8 +316,7 @@ static errno_t krb5_auth_prepare_ccache_name(struct krb5child_req *kr,
ccname_template = dp_opt_get_cstring(kr->krb5_ctx->opts,
KRB5_CCNAME_TMPL);
kr->ccname = expand_ccname_template(kr, kr, ccname_template, true,
- be_ctx->domain->case_sensitive,
- &private_path);
+ be_ctx->domain->case_sensitive);
if (kr->ccname == NULL) {
DEBUG(1, ("expand_ccname_template failed.\n"));
return ENOMEM;
@@ -326,7 +324,7 @@ static errno_t krb5_auth_prepare_ccache_name(struct krb5child_req *kr,
ret = sss_krb5_precreate_ccache(kr->ccname,
kr->krb5_ctx->illegal_path_re,
- kr->uid, kr->gid, private_path);
+ kr->uid, kr->gid);
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE, ("ccache creation failed.\n"));
return ret;
diff --git a/src/providers/krb5/krb5_utils.c b/src/providers/krb5/krb5_utils.c
index e6860482..cf6d72ad 100644
--- a/src/providers/krb5/krb5_utils.c
+++ b/src/providers/krb5/krb5_utils.c
@@ -203,7 +203,7 @@ done:
char *expand_ccname_template(TALLOC_CTX *mem_ctx, struct krb5child_req *kr,
const char *template, bool file_mode,
- bool case_sensitive, bool *private_path)
+ bool case_sensitive)
{
char *copy;
char *p;
@@ -217,8 +217,6 @@ char *expand_ccname_template(TALLOC_CTX *mem_ctx, struct krb5child_req *kr,
char action;
bool rerun;
- *private_path = false;
-
if (template == NULL) {
DEBUG(1, ("Missing template.\n"));
return NULL;
@@ -269,7 +267,6 @@ char *expand_ccname_template(TALLOC_CTX *mem_ctx, struct krb5child_req *kr,
result = talloc_asprintf_append(result, "%s%s", p,
name);
- if (!file_mode) *private_path = true;
break;
case 'U':
if (kr->uid <= 0) {
@@ -279,7 +276,6 @@ char *expand_ccname_template(TALLOC_CTX *mem_ctx, struct krb5child_req *kr,
}
result = talloc_asprintf_append(result, "%s%"SPRIuid, p,
kr->uid);
- if (!file_mode) *private_path = true;
break;
case 'p':
if (kr->upn == NULL) {
@@ -288,7 +284,6 @@ char *expand_ccname_template(TALLOC_CTX *mem_ctx, struct krb5child_req *kr,
goto done;
}
result = talloc_asprintf_append(result, "%s%s", p, kr->upn);
- if (!file_mode) *private_path = true;
break;
case '%':
result = talloc_asprintf_append(result, "%s%%", p);
@@ -308,7 +303,6 @@ char *expand_ccname_template(TALLOC_CTX *mem_ctx, struct krb5child_req *kr,
goto done;
}
result = talloc_asprintf_append(result, "%s%s", p, kr->homedir);
- if (!file_mode) *private_path = true;
break;
case 'd':
if (file_mode) {
@@ -320,8 +314,7 @@ char *expand_ccname_template(TALLOC_CTX *mem_ctx, struct krb5child_req *kr,
}
dummy = expand_ccname_template(tmp_ctx, kr, cache_dir_tmpl,
- false, case_sensitive,
- private_path);
+ false, case_sensitive);
if (dummy == NULL) {
DEBUG(1, ("Expanding credential cache directory "
"template failed.\n"));
@@ -414,41 +407,30 @@ done:
return res;
}
-static errno_t check_parent_stat(bool private_path, struct stat *parent_stat,
+static errno_t check_parent_stat(struct stat *parent_stat,
uid_t uid, gid_t gid)
{
- if (private_path) {
- if (!((parent_stat->st_uid == 0 && parent_stat->st_gid == 0) ||
- parent_stat->st_uid == uid)) {
- DEBUG(1, ("Private directory can only be created below a "
- "directory belonging to root or to "
- "[%"SPRIuid"][%"SPRIgid"].\n", uid, gid));
- return EINVAL;
- }
+ if (!((parent_stat->st_uid == 0 && parent_stat->st_gid == 0) ||
+ parent_stat->st_uid == uid)) {
+ DEBUG(SSSDBG_CRIT_FAILURE,
+ ("Private directory can only be created below a directory "
+ "belonging to root or to [%"SPRIuid"][%"SPRIgid"].\n",
+ uid, gid));
+ return EINVAL;
+ }
- if (parent_stat->st_uid == uid) {
- if (!(parent_stat->st_mode & S_IXUSR)) {
- DEBUG(1, ("Parent directory does have the search bit set for "
- "the owner.\n"));
- return EINVAL;
- }
- } else {
- if (!(parent_stat->st_mode & S_IXOTH)) {
- DEBUG(1, ("Parent directory does have the search bit set for "
- "others.\n"));
- return EINVAL;
- }
- }
- } else {
- if (parent_stat->st_uid != 0 || parent_stat->st_gid != 0) {
- DEBUG(1, ("Public directory cannot be created below a user "
- "directory.\n"));
+ if (parent_stat->st_uid == uid) {
+ if (!(parent_stat->st_mode & S_IXUSR)) {
+ DEBUG(SSSDBG_CRIT_FAILURE,
+ ("Parent directory does not have the search bit set for "
+ "the owner.\n"));
return EINVAL;
}
-
+ } else {
if (!(parent_stat->st_mode & S_IXOTH)) {
- DEBUG(1, ("Parent directory does have the search bit set for "
- "others.\n"));
+ DEBUG(SSSDBG_CRIT_FAILURE,
+ ("Parent directory does not have the search bit set for "
+ "others.\n"));
return EINVAL;
}
}
@@ -559,7 +541,7 @@ check_ccache_re(const char *filename, pcre *illegal_re)
errno_t
create_ccache_dir(const char *ccdirname, pcre *illegal_re,
- uid_t uid, gid_t gid, bool private_path)
+ uid_t uid, gid_t gid)
{
int ret = EFAULT;
struct stat parent_stat;
@@ -598,27 +580,17 @@ create_ccache_dir(const char *ccdirname, pcre *illegal_re,
goto done;
}
- ret = check_parent_stat(private_path, &parent_stat, uid, gid);
+ ret = check_parent_stat(&parent_stat, uid, gid);
if (ret != EOK) {
DEBUG(SSSDBG_MINOR_FAILURE,
- ("check_parent_stat failed for %s directory [%s].\n",
- private_path ? "private" : "public", ccdirname));
+ ("check_parent_stat failed for directory [%s].\n", ccdirname));
goto done;
}
DLIST_FOR_EACH(li, missing_parents) {
DEBUG(SSSDBG_TRACE_INTERNAL,
("Creating directory [%s].\n", li->s));
- if (li->next == NULL) {
- new_dir_mode = private_path ? 0700 : 01777;
- } else {
- if (private_path &&
- parent_stat.st_uid == uid && parent_stat.st_gid == gid) {
- new_dir_mode = 0700;
- } else {
- new_dir_mode = 0755;
- }
- }
+ new_dir_mode = 0700;
old_umask = umask(0000);
ret = mkdir(li->s, new_dir_mode);
@@ -630,16 +602,12 @@ create_ccache_dir(const char *ccdirname, pcre *illegal_re,
strerror(ret)));
goto done;
}
- if (private_path &&
- ((parent_stat.st_uid == uid && parent_stat.st_gid == gid) ||
- li->next == NULL)) {
- ret = chown(li->s, uid, gid);
- if (ret != EOK) {
- ret = errno;
- DEBUG(SSSDBG_MINOR_FAILURE,
- ("chown failed [%d][%s].\n", ret, strerror(ret)));
- goto done;
- }
+ ret = chown(li->s, uid, gid);
+ if (ret != EOK) {
+ ret = errno;
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("chown failed [%d][%s].\n", ret, strerror(ret)));
+ goto done;
}
}
@@ -758,7 +726,7 @@ done:
}
errno_t sss_krb5_precreate_ccache(const char *ccname, pcre *illegal_re,
- uid_t uid, gid_t gid, bool private_path)
+ uid_t uid, gid_t gid)
{
TALLOC_CTX *tmp_ctx = NULL;
const char *filename;
@@ -802,7 +770,7 @@ errno_t sss_krb5_precreate_ccache(const char *ccname, pcre *illegal_re,
*end = '\0';
} while (*(end+1) == '\0');
- ret = create_ccache_dir(ccdirname, illegal_re, uid, gid, private_path);
+ ret = create_ccache_dir(ccdirname, illegal_re, uid, gid);
done:
talloc_free(tmp_ctx);
return ret;
diff --git a/src/providers/krb5/krb5_utils.h b/src/providers/krb5/krb5_utils.h
index 33cc6112..4b1ebb0b 100644
--- a/src/providers/krb5/krb5_utils.h
+++ b/src/providers/krb5/krb5_utils.h
@@ -43,11 +43,11 @@ errno_t check_if_cached_upn_needs_update(struct sysdb_ctx *sysdb,
const char *upn);
errno_t create_ccache_dir(const char *dirname, pcre *illegal_re,
- uid_t uid, gid_t gid, bool private_path);
+ uid_t uid, gid_t gid);
char *expand_ccname_template(TALLOC_CTX *mem_ctx, struct krb5child_req *kr,
const char *template, bool file_mode,
- bool case_sensitive, bool *private_path);
+ bool case_sensitive);
errno_t become_user(uid_t uid, gid_t gid);
struct sss_creds;
@@ -58,7 +58,7 @@ errno_t switch_creds(TALLOC_CTX *mem_ctx,
errno_t restore_creds(struct sss_creds *saved_creds);
errno_t sss_krb5_precreate_ccache(const char *ccname, pcre *illegal_re,
- uid_t uid, gid_t gid, bool private_path);
+ uid_t uid, gid_t gid);
errno_t sss_krb5_cc_destroy(const char *ccname, uid_t uid, gid_t gid);
errno_t sss_krb5_check_ccache_princ(uid_t uid, gid_t gid,
const char *ccname, const char *principal);
generated by cgit (git 2.34.1) at 2024-11-22 10:07:45 +0000