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-rw-r--r--auto/sources1
-rw-r--r--src/nxt_credential.c342
-rw-r--r--src/nxt_credential.h28
-rw-r--r--src/nxt_main.h1
-rw-r--r--src/nxt_main_process.c5
-rw-r--r--src/nxt_process.c335
-rw-r--r--src/nxt_process.h15
-rw-r--r--src/nxt_runtime.c2
-rw-r--r--src/nxt_runtime.h2
9 files changed, 378 insertions, 353 deletions
diff --git a/auto/sources b/auto/sources
index 155e388b..33c1dcd4 100644
--- a/auto/sources
+++ b/auto/sources
@@ -13,6 +13,7 @@ NXT_LIB_SRCS=" \
src/nxt_mem_map.c \
src/nxt_socket.c \
src/nxt_socketpair.c \
+ src/nxt_credential.c \
src/nxt_process.c \
src/nxt_process_title.c \
src/nxt_signal.c \
diff --git a/src/nxt_credential.c b/src/nxt_credential.c
new file mode 100644
index 00000000..9f275b7d
--- /dev/null
+++ b/src/nxt_credential.c
@@ -0,0 +1,342 @@
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_main.h>
+
+
+static nxt_int_t nxt_credential_groups_get(nxt_task_t *task, nxt_mp_t *mp,
+ nxt_credential_t *uc);
+
+
+nxt_int_t
+nxt_credential_get(nxt_task_t *task, nxt_mp_t *mp, nxt_credential_t *uc,
+ const char *group)
+{
+ struct group *grp;
+ struct passwd *pwd;
+
+ nxt_errno = 0;
+
+ pwd = getpwnam(uc->user);
+
+ if (nxt_slow_path(pwd == NULL)) {
+
+ if (nxt_errno == 0) {
+ nxt_alert(task, "getpwnam(\"%s\") failed, user \"%s\" not found",
+ uc->user, uc->user);
+ } else {
+ nxt_alert(task, "getpwnam(\"%s\") failed %E", uc->user, nxt_errno);
+ }
+
+ return NXT_ERROR;
+ }
+
+ uc->uid = pwd->pw_uid;
+ uc->base_gid = pwd->pw_gid;
+
+ if (group != NULL && group[0] != '\0') {
+ nxt_errno = 0;
+
+ grp = getgrnam(group);
+
+ if (nxt_slow_path(grp == NULL)) {
+
+ if (nxt_errno == 0) {
+ nxt_alert(task,
+ "getgrnam(\"%s\") failed, group \"%s\" not found",
+ group, group);
+ } else {
+ nxt_alert(task, "getgrnam(\"%s\") failed %E", group, nxt_errno);
+ }
+
+ return NXT_ERROR;
+ }
+
+ uc->base_gid = grp->gr_gid;
+ }
+
+ nxt_debug(task, "about to get \"%s\" groups (uid:%d, base gid:%d)",
+ uc->user, uc->uid, uc->base_gid);
+
+ if (nxt_credential_groups_get(task, mp, uc) != NXT_OK) {
+ return NXT_ERROR;
+ }
+
+#if (NXT_DEBUG)
+ {
+ u_char *p, *end;
+ nxt_uint_t i;
+ u_char msg[NXT_MAX_ERROR_STR];
+
+ p = msg;
+ end = msg + NXT_MAX_ERROR_STR;
+
+ for (i = 0; i < uc->ngroups; i++) {
+ p = nxt_sprintf(p, end, "%d%c", uc->gids[i],
+ i+1 < uc->ngroups ? ',' : '\0');
+ }
+
+ nxt_debug(task, "user \"%s\" has gids:%*s", uc->user, p - msg, msg);
+ }
+#endif
+
+ return NXT_OK;
+}
+
+
+#if (NXT_HAVE_GETGROUPLIST && !NXT_MACOSX)
+
+#define NXT_NGROUPS nxt_min(256, NGROUPS_MAX)
+
+
+static nxt_int_t
+nxt_credential_groups_get(nxt_task_t *task, nxt_mp_t *mp,
+ nxt_credential_t *uc)
+{
+ int ngroups;
+ gid_t groups[NXT_NGROUPS];
+
+ ngroups = NXT_NGROUPS;
+
+ if (getgrouplist(uc->user, uc->base_gid, groups, &ngroups) < 0) {
+ if (nxt_slow_path(ngroups <= NXT_NGROUPS)) {
+ nxt_alert(task, "getgrouplist(\"%s\", %d, ...) failed %E", uc->user,
+ uc->base_gid, nxt_errno);
+
+ return NXT_ERROR;
+ }
+ }
+
+ if (ngroups > NXT_NGROUPS) {
+ if (ngroups > NGROUPS_MAX) {
+ ngroups = NGROUPS_MAX;
+ }
+
+ uc->ngroups = ngroups;
+
+ uc->gids = nxt_mp_alloc(mp, ngroups * sizeof(gid_t));
+ if (nxt_slow_path(uc->gids == NULL)) {
+ return NXT_ERROR;
+ }
+
+ if (nxt_slow_path(getgrouplist(uc->user, uc->base_gid, uc->gids,
+ &ngroups) < 0)) {
+
+ nxt_alert(task, "getgrouplist(\"%s\", %d) failed %E", uc->user,
+ uc->base_gid, nxt_errno);
+
+ return NXT_ERROR;
+ }
+
+ return NXT_OK;
+ }
+
+ uc->ngroups = ngroups;
+
+ uc->gids = nxt_mp_alloc(mp, ngroups * sizeof(gid_t));
+ if (nxt_slow_path(uc->gids == NULL)) {
+ return NXT_ERROR;
+ }
+
+ nxt_memcpy(uc->gids, groups, ngroups * sizeof(gid_t));
+
+ return NXT_OK;
+}
+
+
+#else
+
+/*
+ * For operating systems that lack getgrouplist(3) or it's buggy (MacOS),
+ * nxt_credential_groups_get() stores an array of groups IDs which should be
+ * set by the setgroups() function for a given user. The initgroups()
+ * may block a just forked worker process for some time if LDAP or NDIS+
+ * is used, so nxt_credential_groups_get() allows to get worker user groups in
+ * main process. In a nutshell the initgroups() calls getgrouplist()
+ * followed by setgroups(). However older Solaris lacks the getgrouplist().
+ * Besides getgrouplist() does not allow to query the exact number of
+ * groups in some platforms, while NGROUPS_MAX can be quite large (e.g.
+ * 65536 on Linux).
+ * So nxt_credential_groups_get() emulates getgrouplist(): at first the
+ * function saves the super-user groups IDs, then calls initgroups() and saves
+ * the specified user groups IDs, and then restores the super-user groups IDs.
+ * This works at least on Linux, FreeBSD, and Solaris, but does not work
+ * on MacOSX, getgroups(2):
+ *
+ * To provide compatibility with applications that use getgroups() in
+ * environments where users may be in more than {NGROUPS_MAX} groups,
+ * a variant of getgroups(), obtained when compiling with either the
+ * macros _DARWIN_UNLIMITED_GETGROUPS or _DARWIN_C_SOURCE defined, can
+ * be used that is not limited to {NGROUPS_MAX} groups. However, this
+ * variant only returns the user's default group access list and not
+ * the group list modified by a call to setgroups(2).
+ *
+ * For such cases initgroups() is used in worker process as fallback.
+ */
+
+static nxt_int_t
+nxt_credential_groups_get(nxt_task_t *task, nxt_mp_t *mp, nxt_credential_t *uc)
+{
+ int nsaved, ngroups;
+ nxt_int_t ret;
+ nxt_gid_t *saved;
+
+ nsaved = getgroups(0, NULL);
+
+ if (nxt_slow_path(nsaved == -1)) {
+ nxt_alert(task, "getgroups(0, NULL) failed %E", nxt_errno);
+ return NXT_ERROR;
+ }
+
+ nxt_debug(task, "getgroups(0, NULL): %d", nsaved);
+
+ if (nsaved > NGROUPS_MAX) {
+ /* MacOSX case. */
+
+ uc->gids = NULL;
+ uc->ngroups = 0;
+
+ return NXT_OK;
+ }
+
+ saved = nxt_mp_alloc(mp, nsaved * sizeof(nxt_gid_t));
+
+ if (nxt_slow_path(saved == NULL)) {
+ return NXT_ERROR;
+ }
+
+ ret = NXT_ERROR;
+
+ nsaved = getgroups(nsaved, saved);
+
+ if (nxt_slow_path(nsaved == -1)) {
+ nxt_alert(task, "getgroups(%d) failed %E", nsaved, nxt_errno);
+ goto free;
+ }
+
+ nxt_debug(task, "getgroups(): %d", nsaved);
+
+ if (initgroups(uc->user, uc->base_gid) != 0) {
+ if (nxt_errno == NXT_EPERM) {
+ nxt_log(task, NXT_LOG_NOTICE,
+ "initgroups(%s, %d) failed %E, ignored",
+ uc->user, uc->base_gid, nxt_errno);
+
+ ret = NXT_OK;
+
+ goto free;
+
+ } else {
+ nxt_alert(task, "initgroups(%s, %d) failed %E",
+ uc->user, uc->base_gid, nxt_errno);
+ goto restore;
+ }
+ }
+
+ ngroups = getgroups(0, NULL);
+
+ if (nxt_slow_path(ngroups == -1)) {
+ nxt_alert(task, "getgroups(0, NULL) failed %E", nxt_errno);
+ goto restore;
+ }
+
+ nxt_debug(task, "getgroups(0, NULL): %d", ngroups);
+
+ uc->gids = nxt_mp_alloc(mp, ngroups * sizeof(nxt_gid_t));
+
+ if (nxt_slow_path(uc->gids == NULL)) {
+ goto restore;
+ }
+
+ ngroups = getgroups(ngroups, uc->gids);
+
+ if (nxt_slow_path(ngroups == -1)) {
+ nxt_alert(task, "getgroups(%d) failed %E", ngroups, nxt_errno);
+ goto restore;
+ }
+
+ uc->ngroups = ngroups;
+
+ ret = NXT_OK;
+
+restore:
+
+ if (nxt_slow_path(setgroups(nsaved, saved) != 0)) {
+ nxt_alert(task, "setgroups(%d) failed %E", nsaved, nxt_errno);
+ ret = NXT_ERROR;
+ }
+
+free:
+
+ nxt_mp_free(mp, saved);
+
+ return ret;
+}
+
+
+#endif
+
+
+nxt_int_t
+nxt_credential_set(nxt_task_t *task, nxt_credential_t *uc)
+{
+ nxt_debug(task, "user cred set: \"%s\" uid:%d base gid:%d",
+ uc->user, uc->uid, uc->base_gid);
+
+ if (setgid(uc->base_gid) != 0) {
+
+#if (NXT_HAVE_CLONE)
+ if (nxt_errno == EINVAL) {
+ nxt_log(task, NXT_LOG_ERR, "The gid %d isn't valid in the "
+ "application namespace.", uc->base_gid);
+ return NXT_ERROR;
+ }
+#endif
+
+ nxt_alert(task, "setgid(%d) failed %E", uc->base_gid, nxt_errno);
+ return NXT_ERROR;
+ }
+
+ if (uc->gids != NULL) {
+ if (setgroups(uc->ngroups, uc->gids) != 0) {
+
+#if (NXT_HAVE_CLONE)
+ if (nxt_errno == EINVAL) {
+ nxt_log(task, NXT_LOG_ERR, "The user \"%s\" (uid: %d) has "
+ "supplementary group ids not valid in the application "
+ "namespace.", uc->user, uc->uid);
+ return NXT_ERROR;
+ }
+#endif
+
+ nxt_alert(task, "setgroups(%i) failed %E", uc->ngroups, nxt_errno);
+ return NXT_ERROR;
+ }
+
+ } else {
+ /* MacOSX fallback. */
+ if (initgroups(uc->user, uc->base_gid) != 0) {
+ nxt_alert(task, "initgroups(%s, %d) failed %E",
+ uc->user, uc->base_gid, nxt_errno);
+ return NXT_ERROR;
+ }
+ }
+
+ if (setuid(uc->uid) != 0) {
+
+#if (NXT_HAVE_CLONE)
+ if (nxt_errno == EINVAL) {
+ nxt_log(task, NXT_LOG_ERR, "The uid %d (user \"%s\") isn't "
+ "valid in the application namespace.", uc->uid, uc->user);
+ return NXT_ERROR;
+ }
+#endif
+
+ nxt_alert(task, "setuid(%d) failed %E", uc->uid, nxt_errno);
+ return NXT_ERROR;
+ }
+
+ return NXT_OK;
+}
diff --git a/src/nxt_credential.h b/src/nxt_credential.h
new file mode 100644
index 00000000..e9f59327
--- /dev/null
+++ b/src/nxt_credential.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#ifndef _NXT_CREDENTIAL_H_INCLUDED_
+#define _NXT_CREDENTIAL_H_INCLUDED_
+
+
+typedef uid_t nxt_uid_t;
+typedef gid_t nxt_gid_t;
+
+typedef struct {
+ const char *user;
+ nxt_uid_t uid;
+ nxt_gid_t base_gid;
+ nxt_uint_t ngroups;
+ nxt_gid_t *gids;
+} nxt_credential_t;
+
+
+NXT_EXPORT nxt_int_t nxt_credential_get(nxt_task_t *task, nxt_mp_t *mp,
+ nxt_credential_t *uc, const char *group);
+NXT_EXPORT nxt_int_t nxt_credential_set(nxt_task_t *task,
+ nxt_credential_t *uc);
+
+
+#endif /* _NXT_CREDENTIAL_H_INCLUDED_ */
diff --git a/src/nxt_main.h b/src/nxt_main.h
index 0afebb96..d9e337d2 100644
--- a/src/nxt_main.h
+++ b/src/nxt_main.h
@@ -58,6 +58,7 @@ typedef uint16_t nxt_port_id_t;
#include <nxt_thread.h>
#include <nxt_process_type.h>
#include <nxt_capability.h>
+#include <nxt_credential.h>
#include <nxt_process.h>
#include <nxt_utf8.h>
#include <nxt_file_name.h>
diff --git a/src/nxt_main_process.c b/src/nxt_main_process.c
index 05027443..02b0c293 100644
--- a/src/nxt_main_process.c
+++ b/src/nxt_main_process.c
@@ -1677,8 +1677,7 @@ nxt_process_init_creds_set(nxt_task_t *task, nxt_process_init_t *init,
{
char *str;
- init->user_cred = nxt_mp_zalloc(init->mem_pool,
- sizeof(nxt_user_cred_t));
+ init->user_cred = nxt_mp_zalloc(init->mem_pool, sizeof(nxt_credential_t));
if (nxt_slow_path(init->user_cred == NULL)) {
return NXT_ERROR;
@@ -1707,5 +1706,5 @@ nxt_process_init_creds_set(nxt_task_t *task, nxt_process_init_t *init,
str = NULL;
}
- return nxt_user_cred_get(task, init->mem_pool, init->user_cred, str);
+ return nxt_credential_get(task, init->mem_pool, init->user_cred, str);
}
diff --git a/src/nxt_process.c b/src/nxt_process.c
index 0cb0fbdd..75c6ef25 100644
--- a/src/nxt_process.c
+++ b/src/nxt_process.c
@@ -14,8 +14,6 @@
#include <signal.h>
static void nxt_process_start(nxt_task_t *task, nxt_process_t *process);
-static nxt_int_t nxt_user_groups_get(nxt_task_t *task, nxt_mp_t *mp,
- nxt_user_cred_t *uc);
static nxt_int_t nxt_process_worker_setup(nxt_task_t *task,
nxt_process_t *process, int parentfd);
@@ -279,7 +277,7 @@ nxt_process_start(nxt_task_t *task, nxt_process_t *process)
nxt_random_init(&thread->random);
if (rt->capabilities.setid && init->user_cred != NULL) {
- ret = nxt_user_cred_set(task, init->user_cred);
+ ret = nxt_credential_set(task, init->user_cred);
if (ret != NXT_OK) {
goto fail;
}
@@ -526,337 +524,6 @@ nxt_nanosleep(nxt_nsec_t ns)
}
-nxt_int_t
-nxt_user_cred_get(nxt_task_t *task, nxt_mp_t *mp, nxt_user_cred_t *uc,
- const char *group)
-{
- struct group *grp;
- struct passwd *pwd;
-
- nxt_errno = 0;
-
- pwd = getpwnam(uc->user);
-
- if (nxt_slow_path(pwd == NULL)) {
-
- if (nxt_errno == 0) {
- nxt_alert(task, "getpwnam(\"%s\") failed, user \"%s\" not found",
- uc->user, uc->user);
- } else {
- nxt_alert(task, "getpwnam(\"%s\") failed %E", uc->user, nxt_errno);
- }
-
- return NXT_ERROR;
- }
-
- uc->uid = pwd->pw_uid;
- uc->base_gid = pwd->pw_gid;
-
- if (group != NULL && group[0] != '\0') {
- nxt_errno = 0;
-
- grp = getgrnam(group);
-
- if (nxt_slow_path(grp == NULL)) {
-
- if (nxt_errno == 0) {
- nxt_alert(task,
- "getgrnam(\"%s\") failed, group \"%s\" not found",
- group, group);
- } else {
- nxt_alert(task, "getgrnam(\"%s\") failed %E", group, nxt_errno);
- }
-
- return NXT_ERROR;
- }
-
- uc->base_gid = grp->gr_gid;
- }
-
- nxt_debug(task, "about to get \"%s\" groups (uid:%d, base gid:%d)",
- uc->user, uc->uid, uc->base_gid);
-
- if (nxt_user_groups_get(task, mp, uc) != NXT_OK) {
- return NXT_ERROR;
- }
-
-#if (NXT_DEBUG)
- {
- u_char *p, *end;
- nxt_uint_t i;
- u_char msg[NXT_MAX_ERROR_STR];
-
- p = msg;
- end = msg + NXT_MAX_ERROR_STR;
-
- for (i = 0; i < uc->ngroups; i++) {
- p = nxt_sprintf(p, end, "%d%c", uc->gids[i],
- i+1 < uc->ngroups ? ',' : '\0');
- }
-
- nxt_debug(task, "user \"%s\" has gids:%*s", uc->user, p - msg, msg);
- }
-#endif
-
- return NXT_OK;
-}
-
-
-#if (NXT_HAVE_GETGROUPLIST && !NXT_MACOSX)
-
-#define NXT_NGROUPS nxt_min(256, NGROUPS_MAX)
-
-
-static nxt_int_t
-nxt_user_groups_get(nxt_task_t *task, nxt_mp_t *mp, nxt_user_cred_t *uc)
-{
- int ngroups;
- gid_t groups[NXT_NGROUPS];
-
- ngroups = NXT_NGROUPS;
-
- if (getgrouplist(uc->user, uc->base_gid, groups, &ngroups) < 0) {
- if (nxt_slow_path(ngroups <= NXT_NGROUPS)) {
- nxt_alert(task, "getgrouplist(\"%s\", %d, ...) failed %E", uc->user,
- uc->base_gid, nxt_errno);
-
- return NXT_ERROR;
- }
- }
-
- if (ngroups > NXT_NGROUPS) {
- if (ngroups > NGROUPS_MAX) {
- ngroups = NGROUPS_MAX;
- }
-
- uc->ngroups = ngroups;
-
- uc->gids = nxt_mp_alloc(mp, ngroups * sizeof(gid_t));
- if (nxt_slow_path(uc->gids == NULL)) {
- return NXT_ERROR;
- }
-
- if (nxt_slow_path(getgrouplist(uc->user, uc->base_gid, uc->gids,
- &ngroups) < 0)) {
-
- nxt_alert(task, "getgrouplist(\"%s\", %d) failed %E", uc->user,
- uc->base_gid, nxt_errno);
-
- return NXT_ERROR;
- }
-
- return NXT_OK;
- }
-
- uc->ngroups = ngroups;
-
- uc->gids = nxt_mp_alloc(mp, ngroups * sizeof(gid_t));
- if (nxt_slow_path(uc->gids == NULL)) {
- return NXT_ERROR;
- }
-
- nxt_memcpy(uc->gids, groups, ngroups * sizeof(gid_t));
-
- return NXT_OK;
-}
-
-
-#else
-
-/*
- * For operating systems that lack getgrouplist(3) or it's buggy (MacOS),
- * nxt_user_groups_get() stores an array of groups IDs which should be
- * set by the setgroups() function for a given user. The initgroups()
- * may block a just forked worker process for some time if LDAP or NDIS+
- * is used, so nxt_user_groups_get() allows to get worker user groups in
- * main process. In a nutshell the initgroups() calls getgrouplist()
- * followed by setgroups(). However older Solaris lacks the getgrouplist().
- * Besides getgrouplist() does not allow to query the exact number of
- * groups in some platforms, while NGROUPS_MAX can be quite large (e.g.
- * 65536 on Linux).
- * So nxt_user_groups_get() emulates getgrouplist(): at first the function
- * saves the super-user groups IDs, then calls initgroups() and saves the
- * specified user groups IDs, and then restores the super-user groups IDs.
- * This works at least on Linux, FreeBSD, and Solaris, but does not work
- * on MacOSX, getgroups(2):
- *
- * To provide compatibility with applications that use getgroups() in
- * environments where users may be in more than {NGROUPS_MAX} groups,
- * a variant of getgroups(), obtained when compiling with either the
- * macros _DARWIN_UNLIMITED_GETGROUPS or _DARWIN_C_SOURCE defined, can
- * be used that is not limited to {NGROUPS_MAX} groups. However, this
- * variant only returns the user's default group access list and not
- * the group list modified by a call to setgroups(2).
- *
- * For such cases initgroups() is used in worker process as fallback.
- */
-
-static nxt_int_t
-nxt_user_groups_get(nxt_task_t *task, nxt_mp_t *mp, nxt_user_cred_t *uc)
-{
- int nsaved, ngroups;
- nxt_int_t ret;
- nxt_gid_t *saved;
-
- nsaved = getgroups(0, NULL);
-
- if (nxt_slow_path(nsaved == -1)) {
- nxt_alert(task, "getgroups(0, NULL) failed %E", nxt_errno);
- return NXT_ERROR;
- }
-
- nxt_debug(task, "getgroups(0, NULL): %d", nsaved);
-
- if (nsaved > NGROUPS_MAX) {
- /* MacOSX case. */
-
- uc->gids = NULL;
- uc->ngroups = 0;
-
- return NXT_OK;
- }
-
- saved = nxt_mp_alloc(mp, nsaved * sizeof(nxt_gid_t));
-
- if (nxt_slow_path(saved == NULL)) {
- return NXT_ERROR;
- }
-
- ret = NXT_ERROR;
-
- nsaved = getgroups(nsaved, saved);
-
- if (nxt_slow_path(nsaved == -1)) {
- nxt_alert(task, "getgroups(%d) failed %E", nsaved, nxt_errno);
- goto free;
- }
-
- nxt_debug(task, "getgroups(): %d", nsaved);
-
- if (initgroups(uc->user, uc->base_gid) != 0) {
- if (nxt_errno == NXT_EPERM) {
- nxt_log(task, NXT_LOG_NOTICE,
- "initgroups(%s, %d) failed %E, ignored",
- uc->user, uc->base_gid, nxt_errno);
-
- ret = NXT_OK;
-
- goto free;
-
- } else {
- nxt_alert(task, "initgroups(%s, %d) failed %E",
- uc->user, uc->base_gid, nxt_errno);
- goto restore;
- }
- }
-
- ngroups = getgroups(0, NULL);
-
- if (nxt_slow_path(ngroups == -1)) {
- nxt_alert(task, "getgroups(0, NULL) failed %E", nxt_errno);
- goto restore;
- }
-
- nxt_debug(task, "getgroups(0, NULL): %d", ngroups);
-
- uc->gids = nxt_mp_alloc(mp, ngroups * sizeof(nxt_gid_t));
-
- if (nxt_slow_path(uc->gids == NULL)) {
- goto restore;
- }
-
- ngroups = getgroups(ngroups, uc->gids);
-
- if (nxt_slow_path(ngroups == -1)) {
- nxt_alert(task, "getgroups(%d) failed %E", ngroups, nxt_errno);
- goto restore;
- }
-
- uc->ngroups = ngroups;
-
- ret = NXT_OK;
-
-restore:
-
- if (nxt_slow_path(setgroups(nsaved, saved) != 0)) {
- nxt_alert(task, "setgroups(%d) failed %E", nsaved, nxt_errno);
- ret = NXT_ERROR;
- }
-
-free:
-
- nxt_mp_free(mp, saved);
-
- return ret;
-}
-
-
-#endif
-
-
-nxt_int_t
-nxt_user_cred_set(nxt_task_t *task, nxt_user_cred_t *uc)
-{
- nxt_debug(task, "user cred set: \"%s\" uid:%d base gid:%d",
- uc->user, uc->uid, uc->base_gid);
-
- if (setgid(uc->base_gid) != 0) {
-
-#if (NXT_HAVE_CLONE)
- if (nxt_errno == EINVAL) {
- nxt_log(task, NXT_LOG_ERR, "The gid %d isn't valid in the "
- "application namespace.", uc->base_gid);
- return NXT_ERROR;
- }
-#endif
-
- nxt_alert(task, "setgid(%d) failed %E", uc->base_gid, nxt_errno);
- return NXT_ERROR;
- }
-
- if (uc->gids != NULL) {
- if (setgroups(uc->ngroups, uc->gids) != 0) {
-
-#if (NXT_HAVE_CLONE)
- if (nxt_errno == EINVAL) {
- nxt_log(task, NXT_LOG_ERR, "The user \"%s\" (uid: %d) has "
- "supplementary group ids not valid in the application "
- "namespace.", uc->user, uc->uid);
- return NXT_ERROR;
- }
-#endif
-
- nxt_alert(task, "setgroups(%i) failed %E", uc->ngroups, nxt_errno);
- return NXT_ERROR;
- }
-
- } else {
- /* MacOSX fallback. */
- if (initgroups(uc->user, uc->base_gid) != 0) {
- nxt_alert(task, "initgroups(%s, %d) failed %E",
- uc->user, uc->base_gid, nxt_errno);
- return NXT_ERROR;
- }
- }
-
- if (setuid(uc->uid) != 0) {
-
-#if (NXT_HAVE_CLONE)
- if (nxt_errno == EINVAL) {
- nxt_log(task, NXT_LOG_ERR, "The uid %d (user \"%s\") isn't "
- "valid in the application namespace.", uc->uid, uc->user);
- return NXT_ERROR;
- }
-#endif
-
- nxt_alert(task, "setuid(%d) failed %E", uc->uid, nxt_errno);
- return NXT_ERROR;
- }
-
- return NXT_OK;
-}
-
-
void
nxt_process_use(nxt_task_t *task, nxt_process_t *process, int i)
{
diff --git a/src/nxt_process.h b/src/nxt_process.h
index 3f247ae1..457d2299 100644
--- a/src/nxt_process.h
+++ b/src/nxt_process.h
@@ -11,19 +11,9 @@
typedef pid_t nxt_pid_t;
-typedef uid_t nxt_uid_t;
-typedef gid_t nxt_gid_t;
typedef struct {
- const char *user;
- nxt_uid_t uid;
- nxt_gid_t base_gid;
- nxt_uint_t ngroups;
- nxt_gid_t *gids;
-} nxt_user_cred_t;
-
-typedef struct {
nxt_int_t flags;
nxt_conf_value_t *uidmap;
nxt_conf_value_t *gidmap;
@@ -38,7 +28,7 @@ struct nxt_process_init_s {
nxt_mp_t *mem_pool;
nxt_process_start_t start;
const char *name;
- nxt_user_cred_t *user_cred;
+ nxt_credential_t *user_cred;
const nxt_port_handlers_t *port_handlers;
const nxt_sig_event_t *signals;
@@ -153,9 +143,6 @@ NXT_EXPORT void nxt_process_title(nxt_task_t *task, const char *fmt, ...);
#define nxt_abort() \
(void) raise(SIGABRT)
-NXT_EXPORT nxt_int_t nxt_user_cred_get(nxt_task_t *task, nxt_mp_t *mp,
- nxt_user_cred_t *uc, const char *group);
-NXT_EXPORT nxt_int_t nxt_user_cred_set(nxt_task_t *task, nxt_user_cred_t *uc);
NXT_EXPORT extern nxt_pid_t nxt_pid;
NXT_EXPORT extern nxt_pid_t nxt_ppid;
diff --git a/src/nxt_runtime.c b/src/nxt_runtime.c
index afd2cb66..80b25c1b 100644
--- a/src/nxt_runtime.c
+++ b/src/nxt_runtime.c
@@ -705,7 +705,7 @@ nxt_runtime_conf_init(nxt_task_t *task, nxt_runtime_t *rt)
}
if (rt->capabilities.setid) {
- ret = nxt_user_cred_get(task, rt->mem_pool, &rt->user_cred,
+ ret = nxt_credential_get(task, rt->mem_pool, &rt->user_cred,
rt->group);
if (nxt_slow_path(ret != NXT_OK)) {
diff --git a/src/nxt_runtime.h b/src/nxt_runtime.h
index d5b340b6..f8d19ec6 100644
--- a/src/nxt_runtime.h
+++ b/src/nxt_runtime.h
@@ -58,7 +58,7 @@ struct nxt_runtime_s {
const char *engine;
uint32_t engine_connections;
uint32_t auxiliary_threads;
- nxt_user_cred_t user_cred;
+ nxt_credential_t user_cred;
nxt_capabilities_t capabilities;
const char *group;
const char *pid;
generated by cgit (git 2.34.1) at 2024-11-18 14:57:52 +0000