Merge 0e54562082 into d209e197f8

Fixes: #35294

man/systemd-cryptenroll.xml

@@ -265,32 +265,11 @@
   </refsect1>
 
   <refsect1>
-    <title>Options</title>
+    <title>Unlocking</title>
 
-    <para>The following options are understood:</para>
+    <para>The following options are understood that may be used to unlock the device in preparation of the enrollment operations:</para>
 
     <variablelist>
-      <varlistentry>
-        <term><option>--password</option></term>
-
-        <listitem><para>Enroll a regular password/passphrase. This command is mostly equivalent to
-        <command>cryptsetup luksAddKey</command>, however may be combined with
-        <option>--wipe-slot=</option> in one call, see below.</para>
-
-        <xi:include href="version-info.xml" xpointer="v248"/></listitem>
-      </varlistentry>
-
-      <varlistentry>
-        <term><option>--recovery-key</option></term>
-
-        <listitem><para>Enroll a recovery key. Recovery keys are mostly identical to passphrases, but are
-        computer-generated instead of being chosen by a human, and thus have a guaranteed high entropy. The
-        key uses a character set that is easy to type in, and may be scanned off screen via a QR code.
-        </para>
-
-        <xi:include href="version-info.xml" xpointer="v248"/></listitem>
-      </varlistentry>
-
       <varlistentry>
         <term><option>--unlock-key-file=<replaceable>PATH</replaceable></option></term>
 
@@ -328,7 +307,45 @@
 
         <xi:include href="version-info.xml" xpointer="v256"/></listitem>
       </varlistentry>
+    </variablelist>
+  </refsect1>
 
+  <refsect1>
+    <title>Simple Enrollment</title>
+
+    <para>The following options are understood that may be used to enroll simple user input based
+    unlocking:</para>
+
+    <variablelist>
+      <varlistentry>
+        <term><option>--password</option></term>
+
+        <listitem><para>Enroll a regular password/passphrase. This command is mostly equivalent to
+        <command>cryptsetup luksAddKey</command>, however may be combined with
+        <option>--wipe-slot=</option> in one call, see below.</para>
+
+        <xi:include href="version-info.xml" xpointer="v248"/></listitem>
+      </varlistentry>
+
+      <varlistentry>
+        <term><option>--recovery-key</option></term>
+
+        <listitem><para>Enroll a recovery key. Recovery keys are mostly identical to passphrases, but are
+        computer-generated instead of being chosen by a human, and thus have a guaranteed high entropy. The
+        key uses a character set that is easy to type in, and may be scanned off screen via a QR code.
+        </para>
+
+        <xi:include href="version-info.xml" xpointer="v248"/></listitem>
+      </varlistentry>
+    </variablelist>
+  </refsect1>
+
+  <refsect1>
+    <title>PKCS#11 Enrollment</title>
+
+    <para>The following option is understood that may be used to enroll PKCS#11 tokens:</para>
+
+    <variablelist>
       <varlistentry>
         <term><option>--pkcs11-token-uri=<replaceable>URI</replaceable></option></term>
 
@@ -361,7 +378,15 @@
 
         <xi:include href="version-info.xml" xpointer="v248"/></listitem>
       </varlistentry>
+    </variablelist>
+  </refsect1>
 
+  <refsect1>
+    <title>FIDO2 Enrollment</title>
+
+    <para>The following options are understood that may be used to enroll PKCS#11 tokens:</para>
+
+    <variablelist>
       <varlistentry>
         <term><option>--fido2-credential-algorithm=<replaceable>STRING</replaceable></option></term>
         <listitem><para>Specify COSE algorithm used in credential generation. The default value is
@@ -461,7 +486,15 @@
 
         <xi:include href="version-info.xml" xpointer="v249"/></listitem>
       </varlistentry>
+    </variablelist>
+  </refsect1>
 
+  <refsect1>
+    <title>TPM2 Enrollment</title>
+
+    <para>The following options are understood that may be used to enroll TPM2 devices:</para>
+
+    <variablelist>
       <varlistentry>
         <term><option>--tpm2-device=<replaceable>PATH</replaceable></option></term>
 
@@ -636,7 +669,15 @@
 
         <xi:include href="version-info.xml" xpointer="v255"/></listitem>
       </varlistentry>
+    </variablelist>
+  </refsect1>
 
+  <refsect1>
+    <title>Other Options</title>
+
+    <para>The following additional options are understood:</para>
+
+    <variablelist>
       <varlistentry>
         <term><option>--wipe-slot=<replaceable>SLOT<optional>,SLOT...</optional></replaceable></option></term>
 

shell-completion/bash/systemd-cryptenroll

@@ -38,19 +38,12 @@ __get_tpm2_devices() {
     done
 }
 
-__get_block_devices() {
-    local i
-    for i in /dev/*; do
-        [ -b "$i" ] && printf '%s\n' "$i"
-    done
-}
-
 _systemd_cryptenroll() {
     local comps
     local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]} words cword
     local -A OPTS=(
         [STANDALONE]='-h --help --version
-                     --password --recovery-key'
+                     --password --recovery-key --list-devices'
         [ARG]='--unlock-key-file
                --unlock-fido2-device
                --unlock-tpm2-device
@@ -116,7 +109,7 @@ _systemd_cryptenroll() {
         return 0
     fi
 
-    comps=$(__get_block_devices)
+    comps=$(systemd-cryptenroll --list-devices)
     COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
     return 0
 }

src/cryptenroll/cryptenroll.c

@@ -193,7 +193,7 @@ static int help(void) {
                "\n%3$sSimple Enrollment:%4$s\n"
                "     --password        Enroll a user-supplied password\n"
                "     --recovery-key    Enroll a recovery key\n"
-               "\n%3$sPKCS11 Enrollment:%4$s\n"
+               "\n%3$sPKCS#11 Enrollment:%4$s\n"
                "     --pkcs11-token-uri=URI\n"
                "                       Specify PKCS#11 security token URI\n"
                "\n%3$sFIDO2 Enrollment:%4$s\n"

src/login/logind-action.c

@@ -234,7 +234,7 @@ static int handle_action_execute(
         /* If the actual operation is inhibited, warn and fail */
         if (inhibit_what_is_valid(inhibit_operation) &&
             !ignore_inhibited &&
-            manager_is_inhibited(m, inhibit_operation, /* block= */ true, NULL, false, false, 0, &offending)) {
+            manager_is_inhibited(m, inhibit_operation, NULL, /* flags= */ 0, UID_INVALID, &offending)) {
                 _cleanup_free_ char *comm = NULL, *u = NULL;
 
                 (void) pidref_get_comm(&offending->pid, &comm);
@@ -372,7 +372,7 @@ int manager_handle_action(
 
         /* If the key handling is inhibited, don't do anything */
         if (inhibit_key > 0) {
-                if (manager_is_inhibited(m, inhibit_key, /* block= */ true, NULL, true, false, 0, NULL)) {
+                if (manager_is_inhibited(m, inhibit_key, NULL, MANAGER_IS_INHIBITED_IGNORE_INACTIVE, UID_INVALID, NULL)) {
                         log_debug("Refusing %s operation, %s is inhibited.",
                                   handle_action_to_string(handle),
                                   inhibit_what_to_string(inhibit_key));

src/login/logind-core.c

@@ -411,7 +411,7 @@ int manager_get_idle_hint(Manager *m, dual_timestamp *t) {
 
         assert(m);
 
-        idle_hint = !manager_is_inhibited(m, INHIBIT_IDLE, /* block= */ true, t, false, false, 0, NULL);
+        idle_hint = !manager_is_inhibited(m, INHIBIT_IDLE, t, /* flags= */ 0, UID_INVALID, NULL);
 
         HASHMAP_FOREACH(s, m->sessions) {
                 dual_timestamp k;

src/login/logind-dbus.c

@@ -1931,7 +1931,12 @@ int manager_dispatch_delayed(Manager *manager, bool timeout) {
         if (!manager->delayed_action || manager->action_job)
                 return 0;
 
-        if (manager_is_inhibited(manager, manager->delayed_action->inhibit_what, /* block= */ false, NULL, false, false, 0, &offending)) {
+        if (manager_is_inhibited(manager,
+                                 manager->delayed_action->inhibit_what,
+                                 NULL,
+                                 MANAGER_IS_INHIBITED_CHECK_DELAY,
+                                 UID_INVALID,
+                                 &offending)) {
                 _cleanup_free_ char *comm = NULL, *u = NULL;
 
                 if (!timeout)
@@ -2033,7 +2038,7 @@ int bus_manager_shutdown_or_sleep_now_or_later(
 
         delayed =
                 m->inhibit_delay_max > 0 &&
-                manager_is_inhibited(m, a->inhibit_what, /* block= */ false, NULL, false, false, 0, NULL);
+                manager_is_inhibited(m, a->inhibit_what, NULL, MANAGER_IS_INHIBITED_CHECK_DELAY, UID_INVALID, NULL);
 
         if (delayed)
                 /* Shutdown is delayed, keep in mind what we
@@ -2077,7 +2082,7 @@ static int verify_shutdown_creds(
                 return r;
 
         multiple_sessions = r > 0;
-        blocked = manager_is_inhibited(m, a->inhibit_what, /* block= */ true, NULL, false, true, uid, &offending);
+        blocked = manager_is_inhibited(m, a->inhibit_what, NULL, /* flags= */ 0, uid, &offending);
         interactive = flags & SD_LOGIND_INTERACTIVE;
 
         if (multiple_sessions) {
@@ -2820,7 +2825,7 @@ static int method_can_shutdown_or_sleep(
                 return r;
 
         multiple_sessions = r > 0;
-        blocked = manager_is_inhibited(m, a->inhibit_what, /* block= */ true, NULL, false, true, uid, NULL);
+        blocked = manager_is_inhibited(m, a->inhibit_what, NULL, /* flags= */ 0, uid, NULL);
 
         if (check_unit_state && a->target) {
                 _cleanup_free_ char *load_state = NULL;

src/login/logind-inhibit.c

@@ -399,11 +399,9 @@ static int pidref_is_active_session(Manager *m, const PidRef *pid) {
 bool manager_is_inhibited(
                 Manager *m,
                 InhibitWhat w,
-                bool block,
                 dual_timestamp *since,
-                bool ignore_inactive,
-                bool ignore_uid,
-                uid_t uid,
+                ManagerIsInhibitedFlags flags,
+                uid_t uid_to_ignore,
                 Inhibitor **ret_offending) {
 
         Inhibitor *i, *offending = NULL;
@@ -421,18 +419,19 @@ bool manager_is_inhibited(
                 if (!(i->what & w))
                         continue;
 
-                if ((block && !IN_SET(i->mode, INHIBIT_BLOCK, INHIBIT_BLOCK_WEAK)) ||
-                    (!block && i->mode != INHIBIT_DELAY))
+                if ((flags & MANAGER_IS_INHIBITED_CHECK_DELAY) != (i->mode == INHIBIT_DELAY))
                         continue;
 
-                if (ignore_inactive && pidref_is_active_session(m, &i->pid) <= 0)
+                if ((flags & MANAGER_IS_INHIBITED_IGNORE_INACTIVE) &&
+                    pidref_is_active_session(m, &i->pid) <= 0)
                         continue;
 
-                if (i->mode == INHIBIT_BLOCK_WEAK && ignore_uid && i->uid == uid)
+                if (i->mode == INHIBIT_BLOCK_WEAK &&
+                    uid_is_valid(uid_to_ignore) &&
+                    uid_to_ignore == i->uid)
                         continue;
 
-                if (!inhibited ||
-                    i->since.monotonic < ts.monotonic)
+                if (!inhibited || i->since.monotonic < ts.monotonic)
                         ts = i->since;
 
                 inhibited = true;

src/login/logind-inhibit.h

@@ -67,7 +67,20 @@ int inhibitor_create_fifo(Inhibitor *i);
 bool inhibitor_is_orphan(Inhibitor *i);
 
 InhibitWhat manager_inhibit_what(Manager *m, InhibitMode mode);
-bool manager_is_inhibited(Manager *m, InhibitWhat w, bool block, dual_timestamp *since, bool ignore_inactive, bool ignore_uid, uid_t uid, Inhibitor **offending);
+
+typedef enum ManagerIsInhibitedFlags {
+        MANAGER_IS_INHIBITED_CHECK_DELAY     = 1 << 0,  /* When set, we only check delay inhibitors.
+                                                         * Otherwise, we only check block inhibitors. */
+        MANAGER_IS_INHIBITED_IGNORE_INACTIVE = 1 << 1,  /* When set, ignore inactive sessions. */
+} ManagerIsInhibitedFlags;
+
+bool manager_is_inhibited(
+                Manager *m,
+                InhibitWhat w,
+                dual_timestamp *since,
+                ManagerIsInhibitedFlags flags,
+                uid_t uid_to_ignore,
+                Inhibitor **ret_offending);
 
 static inline bool inhibit_what_is_valid(InhibitWhat w) {
         return w > 0 && w < _INHIBIT_WHAT_MAX;

src/shared/tpm2-util.h

@@ -392,7 +392,7 @@ int tpm2_make_pcr_json_array(uint32_t pcr_mask, sd_json_variant **ret);
 int tpm2_parse_pcr_json_array(sd_json_variant *v, uint32_t *ret);
 
 int tpm2_make_luks2_json(int keyslot, uint32_t hash_pcr_mask, uint16_t pcr_bank, const struct iovec *pubkey, uint32_t pubkey_pcr_mask, uint16_t primary_alg, const struct iovec blobs[], size_t n_blobs, const struct iovec policy_hash[], size_t n_policy_hash, const struct iovec *salt, const struct iovec *srk, const struct iovec *pcrlock_nv, TPM2Flags flags, sd_json_variant **ret);
-int tpm2_parse_luks2_json(sd_json_variant *v, int *ret_keyslot, uint32_t *ret_hash_pcr_mask, uint16_t *ret_pcr_bank, struct iovec *ret_pubkey, uint32_t *ret_pubkey_pcr_mask, uint16_t *ret_primary_alg, struct iovec **ret_blobs, size_t *ret_n_blobs, struct iovec **ret_policy_hash, size_t *ret_n_policy_hash, struct iovec *ret_salt, struct iovec *ret_srk, struct iovec *pcrlock_nv, TPM2Flags *ret_flags);
+int tpm2_parse_luks2_json(sd_json_variant *v, int *ret_keyslot, uint32_t *ret_hash_pcr_mask, uint16_t *ret_pcr_bank, struct iovec *ret_pubkey, uint32_t *ret_pubkey_pcr_mask, uint16_t *ret_primary_alg, struct iovec **ret_blobs, size_t *ret_n_blobs, struct iovec **ret_policy_hash, size_t *ret_n_policy_hash, struct iovec *ret_salt, struct iovec *ret_srk, struct iovec *ret_pcrlock_nv, TPM2Flags *ret_flags);
 
 /* Default to PCR 7 only */
 #define TPM2_PCR_INDEX_DEFAULT UINT32_C(7)

src/userdb/userdbctl.c

@@ -23,6 +23,7 @@
 #include "user-util.h"
 #include "userdb.h"
 #include "verbs.h"
+#include "virt.h"
 
 static enum {
         OUTPUT_CLASSIC,
@@ -139,10 +140,16 @@ static int show_user(UserRecord *ur, Table *table) {
         return 0;
 }
 
+static bool test_show_mapped(void) {
+        /* Show mapped user range only in environments where user mapping is a thing. */
+        return running_in_userns() > 0;
+}
+
 static const struct {
         uid_t first, last;
         const char *name;
         UserDisposition disposition;
+        bool (*test)(void);
 } uid_range_table[] = {
         {
                 .first = 1,
@@ -175,11 +182,12 @@ static const struct {
                 .last = MAP_UID_MAX,
                 .name = "mapped",
                 .disposition = USER_REGULAR,
+                .test = test_show_mapped,
         },
 };
 
 static int table_add_uid_boundaries(Table *table, const UIDRange *p) {
-        int r;
+        int r, n_added = 0;
 
         assert(table);
 
@@ -192,6 +200,9 @@ static int table_add_uid_boundaries(Table *table, const UIDRange *p) {
                 if (!uid_range_covers(p, i->first, i->last - i->first + 1))
                         continue;
 
+                if (i->test && !i->test())
+                        continue;
+
                 name = strjoin(special_glyph(SPECIAL_GLYPH_ARROW_DOWN),
                                " begin ", i->name, " users ",
                                special_glyph(SPECIAL_GLYPH_ARROW_DOWN));
@@ -249,9 +260,11 @@ static int table_add_uid_boundaries(Table *table, const UIDRange *p) {
                                 TABLE_INT, 1); /* sort after any other entry with the same UID */
                 if (r < 0)
                         return table_log_add_error(r);
+
+                n_added += 2;
         }
 
-        return ELEMENTSOF(uid_range_table) * 2;
+        return n_added;
 }
 
 static int add_unavailable_uid(Table *table, uid_t start, uid_t end) {
@@ -565,16 +578,22 @@ static int show_group(GroupRecord *gr, Table *table) {
 }
 
 static int table_add_gid_boundaries(Table *table, const UIDRange *p) {
-        int r;
+        int r, n_added = 0;
 
         assert(table);
 
         FOREACH_ELEMENT(i, uid_range_table) {
                 _cleanup_free_ char *name = NULL, *comment = NULL;
 
+                if (!FLAGS_SET(arg_disposition_mask, UINT64_C(1) << i->disposition))
+                        continue;
+
                 if (!uid_range_covers(p, i->first, i->last - i->first + 1))
                         continue;
 
+                if (i->test && !i->test())
+                        continue;
+
                 name = strjoin(special_glyph(SPECIAL_GLYPH_ARROW_DOWN),
                                " begin ", i->name, " groups ",
                                special_glyph(SPECIAL_GLYPH_ARROW_DOWN));
@@ -626,9 +645,11 @@ static int table_add_gid_boundaries(Table *table, const UIDRange *p) {
                                 TABLE_INT, 1); /* sort after any other entry with the same GID */
                 if (r < 0)
                         return table_log_add_error(r);
+
+                n_added += 2;
         }
 
-        return ELEMENTSOF(uid_range_table) * 2;
+        return n_added;
 }
 
 static int add_unavailable_gid(Table *table, uid_t start, uid_t end) {