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[PATCH 5/5] qga: Add support for user password settinng in FreeeBSD
From: |
Alexander Ivanov |
Subject: |
[PATCH 5/5] qga: Add support for user password settinng in FreeeBSD |
Date: |
Thu, 22 Sep 2022 15:20:01 +0200 |
Move qmp_guest_set_user_password() to commands-posix.c under (__linux__ or
__FreeBSD) condition. Add command and arguments for password setting in
FreeBSD.
Signed-off-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com>
---
qga/commands-bsd.c | 8 ---
qga/commands-linux.c | 105 --------------------------------------
qga/commands-posix.c | 117 ++++++++++++++++++++++++++++++++++++++++++-
3 files changed, 116 insertions(+), 114 deletions(-)
diff --git a/qga/commands-bsd.c b/qga/commands-bsd.c
index 5d3f46804a..fa3933f2f4 100644
--- a/qga/commands-bsd.c
+++ b/qga/commands-bsd.c
@@ -190,14 +190,6 @@ int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList
*vcpus, Error **errp)
return -1;
}
-void qmp_guest_set_user_password(const char *username,
- const char *password,
- bool crypted,
- Error **errp)
-{
- error_setg(errp, QERR_UNSUPPORTED);
-}
-
GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp)
{
error_setg(errp, QERR_UNSUPPORTED);
diff --git a/qga/commands-linux.c b/qga/commands-linux.c
index 615e9a0027..1f25c80482 100644
--- a/qga/commands-linux.c
+++ b/qga/commands-linux.c
@@ -1629,111 +1629,6 @@ int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList
*vcpus, Error **errp)
return processed;
}
-void qmp_guest_set_user_password(const char *username,
- const char *password,
- bool crypted,
- Error **errp)
-{
- Error *local_err = NULL;
- char *passwd_path = NULL;
- pid_t pid;
- int status;
- int datafd[2] = { -1, -1 };
- char *rawpasswddata = NULL;
- size_t rawpasswdlen;
- char *chpasswddata = NULL;
- size_t chpasswdlen;
-
- rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp);
- if (!rawpasswddata) {
- return;
- }
- rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1);
- rawpasswddata[rawpasswdlen] = '\0';
-
- if (strchr(rawpasswddata, '\n')) {
- error_setg(errp, "forbidden characters in raw password");
- goto out;
- }
-
- if (strchr(username, '\n') ||
- strchr(username, ':')) {
- error_setg(errp, "forbidden characters in username");
- goto out;
- }
-
- chpasswddata = g_strdup_printf("%s:%s\n", username, rawpasswddata);
- chpasswdlen = strlen(chpasswddata);
-
- passwd_path = g_find_program_in_path("chpasswd");
-
- if (!passwd_path) {
- error_setg(errp, "cannot find 'passwd' program in PATH");
- goto out;
- }
-
- if (!g_unix_open_pipe(datafd, FD_CLOEXEC, NULL)) {
- error_setg(errp, "cannot create pipe FDs");
- goto out;
- }
-
- pid = fork();
- if (pid == 0) {
- close(datafd[1]);
- /* child */
- setsid();
- dup2(datafd[0], 0);
- reopen_fd_to_null(1);
- reopen_fd_to_null(2);
-
- if (crypted) {
- execl(passwd_path, "chpasswd", "-e", NULL);
- } else {
- execl(passwd_path, "chpasswd", NULL);
- }
- _exit(EXIT_FAILURE);
- } else if (pid < 0) {
- error_setg_errno(errp, errno, "failed to create child process");
- goto out;
- }
- close(datafd[0]);
- datafd[0] = -1;
-
- if (qemu_write_full(datafd[1], chpasswddata, chpasswdlen) != chpasswdlen) {
- error_setg_errno(errp, errno, "cannot write new account password");
- goto out;
- }
- close(datafd[1]);
- datafd[1] = -1;
-
- ga_wait_child(pid, &status, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
- goto out;
- }
-
- if (!WIFEXITED(status)) {
- error_setg(errp, "child process has terminated abnormally");
- goto out;
- }
-
- if (WEXITSTATUS(status)) {
- error_setg(errp, "child process has failed to set user password");
- goto out;
- }
-
-out:
- g_free(chpasswddata);
- g_free(rawpasswddata);
- g_free(passwd_path);
- if (datafd[0] != -1) {
- close(datafd[0]);
- }
- if (datafd[1] != -1) {
- close(datafd[1]);
- }
-}
-
static void ga_read_sysfs_file(int dirfd, const char *pathname, char *buf,
int size, Error **errp)
{
diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 60cc673f25..e8fc7bd516 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -774,8 +774,123 @@ void qmp_guest_file_flush(int64_t handle, Error **errp)
}
}
-#if !(defined(__linux__) || defined(__FreeBSD__))
+#if defined(__linux__) || defined(__FreeBSD__)
+void qmp_guest_set_user_password(const char *username,
+ const char *password,
+ bool crypted,
+ Error **errp)
+{
+ Error *local_err = NULL;
+ char *passwd_path = NULL;
+ pid_t pid;
+ int status;
+ int datafd[2] = { -1, -1 };
+ char *rawpasswddata = NULL;
+ size_t rawpasswdlen;
+ char *chpasswddata = NULL;
+ size_t chpasswdlen;
+ rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp);
+ if (!rawpasswddata) {
+ return;
+ }
+ rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1);
+ rawpasswddata[rawpasswdlen] = '\0';
+
+ if (strchr(rawpasswddata, '\n')) {
+ error_setg(errp, "forbidden characters in raw password");
+ goto out;
+ }
+
+ if (strchr(username, '\n') ||
+ strchr(username, ':')) {
+ error_setg(errp, "forbidden characters in username");
+ goto out;
+ }
+
+#ifdef __FreeBSD__
+ chpasswddata = g_strdup(rawpasswddata);
+ passwd_path = g_find_program_in_path("pw");
+#else
+ chpasswddata = g_strdup_printf("%s:%s\n", username, rawpasswddata);
+ passwd_path = g_find_program_in_path("chpasswd");
+#endif
+
+ chpasswdlen = strlen(chpasswddata);
+
+ if (!passwd_path) {
+ error_setg(errp, "cannot find 'passwd' program in PATH");
+ goto out;
+ }
+
+ if (!g_unix_open_pipe(datafd, FD_CLOEXEC, NULL)) {
+ error_setg(errp, "cannot create pipe FDs");
+ goto out;
+ }
+
+ pid = fork();
+ if (pid == 0) {
+ close(datafd[1]);
+ /* child */
+ setsid();
+ dup2(datafd[0], 0);
+ reopen_fd_to_null(1);
+ reopen_fd_to_null(2);
+
+#ifdef __FreeBSD__
+ const char *h_arg;
+ h_arg = (crypted) ? "-H" : "-h";
+ execl(passwd_path, "pw", "usermod", "-n", username, h_arg, "0", NULL);
+#else
+ if (crypted) {
+ execl(passwd_path, "chpasswd", "-e", NULL);
+ } else {
+ execl(passwd_path, "chpasswd", NULL);
+ }
+#endif
+ _exit(EXIT_FAILURE);
+ } else if (pid < 0) {
+ error_setg_errno(errp, errno, "failed to create child process");
+ goto out;
+ }
+ close(datafd[0]);
+ datafd[0] = -1;
+
+ if (qemu_write_full(datafd[1], chpasswddata, chpasswdlen) != chpasswdlen) {
+ error_setg_errno(errp, errno, "cannot write new account password");
+ goto out;
+ }
+ close(datafd[1]);
+ datafd[1] = -1;
+
+ ga_wait_child(pid, &status, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ goto out;
+ }
+
+ if (!WIFEXITED(status)) {
+ error_setg(errp, "child process has terminated abnormally");
+ goto out;
+ }
+
+ if (WEXITSTATUS(status)) {
+ error_setg(errp, "child process has failed to set user password");
+ goto out;
+ }
+
+out:
+ g_free(chpasswddata);
+ g_free(rawpasswddata);
+ g_free(passwd_path);
+ if (datafd[0] != -1) {
+ close(datafd[0]);
+ }
+ if (datafd[1] != -1) {
+ close(datafd[1]);
+ }
+}
+#else
void qmp_guest_suspend_disk(Error **errp)
{
error_setg(errp, QERR_UNSUPPORTED);
--
2.34.1