[systemd-commits] 3 commits - configure.ac Makefile.am src/ask-password-agent.vala src/ask-password.c src/util.c

Lennart Poettering lennart at kemper.freedesktop.org
Thu Sep 16 17:36:27 PDT 2010


 Makefile.am                 |    1 
 configure.ac                |    2 
 src/ask-password-agent.vala |   12 ++-
 src/ask-password.c          |  155 ++++++++++++++++++++++++++++++++++++++------
 src/util.c                  |   10 ++
 5 files changed, 156 insertions(+), 24 deletions(-)

New commits:
commit efb3237ee69bc593b11bc828791ee48ba6cc4f5c
Author: Lennart Poettering <lennart at poettering.net>
Date:   Fri Sep 17 02:32:48 2010 +0200

    ask-password: popup notification when we ask for a password

diff --git a/Makefile.am b/Makefile.am
index 5f11e4f..aa4798d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -736,6 +736,7 @@ systemd_ask_password_agent_VALAFLAGS = \
 	--pkg=gtk+-2.0 \
 	--pkg=linux \
 	--pkg=gio-unix-2.0 \
+	--pkg=libnotify \
 	-g
 
 systemd_ask_password_agent_LDADD = \
diff --git a/configure.ac b/configure.ac
index 334b1e2..e3c1fdd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -226,7 +226,7 @@ AC_SUBST(AUDIT_LIBS)
 have_gtk=no
 AC_ARG_ENABLE(gtk, AS_HELP_STRING([--disable-gtk], [disable GTK tools]))
 if test "x$enable_gtk" != "xno"; then
-        PKG_CHECK_MODULES(GTK, [ gtk+-2.0 gio-unix-2.0 ],
+        PKG_CHECK_MODULES(GTK, [ gtk+-2.0 gio-unix-2.0 libnotify ],
                 [AC_DEFINE(HAVE_GTK, 1, [Define if GTK is available]) have_gtk=yes], have_gtk=no)
         AC_SUBST(GTK_CFLAGS)
         AC_SUBST(GTK_LIBS)
diff --git a/src/ask-password-agent.vala b/src/ask-password-agent.vala
index 5355bb4..1523e2e 100644
--- a/src/ask-password-agent.vala
+++ b/src/ask-password-agent.vala
@@ -22,6 +22,7 @@ using GLib;
 using DBus;
 using Linux;
 using Posix;
+using Notify;
 
 [CCode (cheader_filename = "time.h")]
 extern int clock_gettime(int id, out timespec ts);
@@ -84,7 +85,7 @@ public class MyStatusIcon : StatusIcon {
 
         public MyStatusIcon() throws GLib.Error {
                 GLib.Object(icon_name : "dialog-password");
-                set_title("System Password Agent");
+                set_title("System Password");
 
                 directory = File.new_for_path("/dev/.systemd/ask-password/");
                 file_monitor = directory.monitor_directory(0);
@@ -138,7 +139,7 @@ public class MyStatusIcon : StatusIcon {
 
         }
 
-        bool load_password()  {
+        bool load_password() throws GLib.Error {
 
                 KeyFile key_file = new KeyFile();
 
@@ -179,6 +180,12 @@ public class MyStatusIcon : StatusIcon {
                 set_from_icon_name(icon);
 
                 set_visible(true);
+
+                Notification n = new Notification(title, message, icon, null);
+                n.attach_to_status_icon(this);
+                n.set_timeout(5000);
+                n.show();
+
                 return true;
         }
 
@@ -236,6 +243,7 @@ void show_error(string e) {
 int main(string[] args) {
         try {
                 Gtk.init_with_args(ref args, "[OPTION...]", entries, "systemd-ask-password-agent");
+                Notify.init("Password Agent");
 
                 MyStatusIcon i = new MyStatusIcon();
                 Gtk.main();
commit ad6ab0af1ed38e342aeeae1c5f7c1503fab11935
Author: Lennart Poettering <lennart at poettering.net>
Date:   Fri Sep 17 02:13:12 2010 +0200

    ask-password: extend help text a little

diff --git a/src/ask-password.c b/src/ask-password.c
index 7247c7e..22dda97 100644
--- a/src/ask-password.c
+++ b/src/ask-password.c
@@ -93,7 +93,7 @@ fail:
 static int help(void) {
 
         printf("%s [OPTIONS...] MESSAGE\n\n"
-               "Query the user for a passphrase.\n\n"
+               "Query the user for a system passphrase, via the TTY or an UI agent.\n\n"
                "  -h --help         Show this help\n"
                "     --icon=NAME    Icon name\n"
                "     --timeout=USEC Timeout in usec\n"
commit 1b39d4b9d271f2309a193d4e4fae6633248b0e94
Author: Lennart Poettering <lennart at poettering.net>
Date:   Fri Sep 17 02:10:08 2010 +0200

    ask-password: optionally ask questions on tty

diff --git a/src/ask-password.c b/src/ask-password.c
index 2c9b027..7247c7e 100644
--- a/src/ask-password.c
+++ b/src/ask-password.c
@@ -31,6 +31,8 @@
 #include <sys/stat.h>
 #include <sys/signalfd.h>
 #include <getopt.h>
+#include <termios.h>
+#include <limits.h>
 
 #include "log.h"
 #include "macro.h"
@@ -38,6 +40,7 @@
 
 static const char *arg_icon = NULL;
 static const char *arg_message = NULL;
+static bool arg_use_tty = true;
 static usec_t arg_timeout = 60 * USEC_PER_SEC;
 
 static int create_socket(char **name) {
@@ -93,7 +96,8 @@ static int help(void) {
                "Query the user for a passphrase.\n\n"
                "  -h --help         Show this help\n"
                "     --icon=NAME    Icon name\n"
-               "     --timeout=USEC Timeout in usec\n",
+               "     --timeout=USEC Timeout in usec\n"
+               "     --no-tty       Ask question via agent even on TTY\n",
                program_invocation_short_name);
 
         return 0;
@@ -103,13 +107,15 @@ static int parse_argv(int argc, char *argv[]) {
 
         enum {
                 ARG_ICON = 0x100,
-                ARG_TIMEOUT
+                ARG_TIMEOUT,
+                ARG_NO_TTY
         };
 
         static const struct option options[] = {
                 { "help",      no_argument,       NULL, 'h'         },
                 { "icon",      required_argument, NULL, ARG_ICON    },
                 { "timeout",   required_argument, NULL, ARG_TIMEOUT },
+                { "no-tty",    no_argument,       NULL, ARG_NO_TTY  },
                 { NULL,        0,                 NULL, 0           }
         };
 
@@ -137,6 +143,10 @@ static int parse_argv(int argc, char *argv[]) {
                         }
                         break;
 
+                case ARG_NO_TTY:
+                        arg_use_tty = false;
+                        break;
+
                 case '?':
                         return -EINVAL;
 
@@ -152,29 +162,22 @@ static int parse_argv(int argc, char *argv[]) {
         }
 
         arg_message = argv[optind];
-        return 0;
+        return 1;
 }
 
-int main(int argc, char *argv[]) {
+static int ask_agent(void) {
         char temp[] = "/dev/.systemd/ask-password/tmp.XXXXXX";
         char final[sizeof(temp)] = "";
-        int fd = -1, r = EXIT_FAILURE, k;
+        int fd = -1, r;
         FILE *f = NULL;
         char *socket_name = NULL;
         int socket_fd, signal_fd;
         sigset_t mask;
         usec_t not_after;
 
-        log_parse_environment();
-        log_open();
-
-        if ((k = parse_argv(argc, argv)) < 0) {
-                r = k < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-                goto finish;
-        }
-
         if ((fd = mkostemp(temp, O_CLOEXEC|O_CREAT|O_WRONLY)) < 0) {
                 log_error("Failed to create password file: %m");
+                r = -errno;
                 goto finish;
         }
 
@@ -182,6 +185,7 @@ int main(int argc, char *argv[]) {
 
         if (!(f = fdopen(fd, "w"))) {
                 log_error("Failed to allocate FILE: %m");
+                r = -errno;
                 goto finish;
         }
 
@@ -193,11 +197,14 @@ int main(int argc, char *argv[]) {
 
         if ((signal_fd = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC)) < 0) {
                 log_error("signalfd(): %m");
+                r = -errno;
                 goto finish;
         }
 
-        if ((socket_fd = create_socket(&socket_name)) < 0)
+        if ((socket_fd = create_socket(&socket_name)) < 0) {
+                r = socket_fd;
                 goto finish;
+        }
 
         not_after = now(CLOCK_MONOTONIC) + arg_timeout;
 
@@ -218,6 +225,7 @@ int main(int argc, char *argv[]) {
 
         if (ferror(f)) {
                 log_error("Failed to write query file: %m");
+                r = -errno;
                 goto finish;
         }
 
@@ -229,6 +237,7 @@ int main(int argc, char *argv[]) {
 
         if (rename(temp, final) < 0) {
                 log_error("Failed to rename query file: %m");
+                r = -errno;
                 goto finish;
         }
 
@@ -249,6 +258,7 @@ int main(int argc, char *argv[]) {
                 } control;
                 ssize_t n;
                 struct pollfd pollfd[_FD_MAX];
+                int k;
 
                 zero(pollfd);
                 pollfd[FD_SOCKET].fd = socket_fd;
@@ -261,12 +271,14 @@ int main(int argc, char *argv[]) {
                         if (errno == EINTR)
                                 continue;
 
-                        log_error("poll() failed: %s", strerror(-r));
+                        log_error("poll() failed: %m");
+                        r = -errno;
                         goto finish;
                 }
 
                 if (k <= 0) {
                         log_notice("Timed out");
+                        r = -ETIME;
                         goto finish;
                 }
 
@@ -275,6 +287,7 @@ int main(int argc, char *argv[]) {
 
                 if (pollfd[FD_SOCKET].revents != POLLIN) {
                         log_error("Unexpected poll() event.");
+                        r = -EIO;
                         goto finish;
                 }
 
@@ -296,6 +309,7 @@ int main(int argc, char *argv[]) {
                                 continue;
 
                         log_error("recvmsg() failed: %m");
+                        r = -errno;
                         goto finish;
                 }
 
@@ -321,9 +335,11 @@ int main(int argc, char *argv[]) {
                 if (passphrase[0] == '+') {
                         passphrase[n] = 0;
                         fputs(passphrase+1, stdout);
-                } else if (passphrase[0] == '-')
+                        fflush(stdout);
+                } else if (passphrase[0] == '-') {
+                        r = -ECANCELED;
                         goto finish;
-                else {
+                } else {
                         log_error("Invalid packet");
                         continue;
                 }
@@ -331,7 +347,7 @@ int main(int argc, char *argv[]) {
                 break;
         }
 
-        r = EXIT_SUCCESS;
+        r = 0;
 
 finish:
         if (fd >= 0)
@@ -350,3 +366,104 @@ finish:
 
         return r;
 }
+
+static int ask_tty(void) {
+        struct termios old_termios, new_termios;
+        char passphrase[LINE_MAX];
+        FILE *ttyf;
+
+        if (!(ttyf = fopen("/dev/tty", "w"))) {
+                log_error("Failed to open /dev/tty: %m");
+                return -errno;
+        }
+
+        fputs("\x1B[1m", ttyf);
+        fprintf(ttyf, "%s: ", arg_message);
+        fputs("\x1B[0m", ttyf);
+        fflush(ttyf);
+
+        if (tcgetattr(STDIN_FILENO, &old_termios) >= 0) {
+
+                new_termios = old_termios;
+
+                new_termios.c_lflag &= ~(ICANON|ECHO);
+                new_termios.c_cc[VMIN] = 1;
+                new_termios.c_cc[VTIME] = 0;
+
+                if (tcsetattr(STDIN_FILENO, TCSADRAIN, &new_termios) >= 0) {
+                        size_t p = 0;
+                        int r = 0;
+
+                        for (;;) {
+                                size_t k;
+                                char c;
+
+                                k = fread(&c, 1, 1, stdin);
+
+                                if (k <= 0) {
+                                        r = -EIO;
+                                        break;
+                                }
+
+                                if (c == '\n')
+                                        break;
+                                else if (c == '\b' || c == 127) {
+                                        if (p > 0) {
+                                                p--;
+                                                fputs("\b \b", ttyf);
+                                        }
+                                } else {
+                                        passphrase[p++] = c;
+                                        fputc('*', ttyf);
+                                }
+
+                                fflush(ttyf);
+                        }
+
+                        fputc('\n', ttyf);
+                        fclose(ttyf);
+                        tcsetattr(STDIN_FILENO, TCSADRAIN, &old_termios);
+
+                        if (r < 0)
+                                return -EIO;
+
+                        passphrase[p] = 0;
+
+                        fputs(passphrase, stdout);
+                        fflush(stdout);
+                        return 0;
+                }
+
+        }
+
+        fclose(ttyf);
+
+        if (!fgets(passphrase, sizeof(passphrase), stdin)) {
+                log_error("Failed to read password.");
+                return -EIO;
+        }
+
+        truncate_nl(passphrase);
+        fputs(passphrase, stdout);
+        fflush(stdout);
+
+        return 0;
+}
+
+int main(int argc, char *argv[]) {
+        int r;
+
+        log_parse_environment();
+        log_open();
+
+        if ((r = parse_argv(argc, argv)) <= 0)
+                goto finish;
+
+        if (arg_use_tty && isatty(STDIN_FILENO))
+                r = ask_tty();
+        else
+                r = ask_agent();
+
+finish:
+        return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}
diff --git a/src/util.c b/src/util.c
index c1ee936..bdc194e 100644
--- a/src/util.c
+++ b/src/util.c
@@ -2009,23 +2009,29 @@ int read_one_char(FILE *f, char *ret, bool *need_nl) {
 }
 
 int ask(char *ret, const char *replies, const char *text, ...) {
+        bool on_tty;
+
         assert(ret);
         assert(replies);
         assert(text);
 
+        on_tty = isatty(STDOUT_FILENO);
+
         for (;;) {
                 va_list ap;
                 char c;
                 int r;
                 bool need_nl = true;
 
-                fputs("\x1B[1m", stdout);
+                if (on_tty)
+                        fputs("\x1B[1m", stdout);
 
                 va_start(ap, text);
                 vprintf(text, ap);
                 va_end(ap);
 
-                fputs("\x1B[0m", stdout);
+                if (on_tty)
+                        fputs("\x1B[0m", stdout);
 
                 fflush(stdout);
 


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