rename machine-id-main.c tomacht the binary and move main.c to core/

[elogind.git] / src / tty-ask-password-agent.c

diff --git a/src/tty-ask-password-agent.c b/src/tty-ask-password-agent.c
index 2c854fa8d986fc293f98cabecaac524755f3d80e..9fbd7f5fb2eda43c3ead712e2ea0bd8ad2ec45f2 100644 (file)
--- a/src/tty-ask-password-agent.c
+++ b/src/tty-ask-password-agent.c
@@ -6,16 +6,16 @@
   Copyright 2010 Lennart Poettering
 
   systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
   (at your option) any later version.
 
   systemd is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  General Public License for more details.
+  Lesser General Public License for more details.
 
-  You should have received a copy of the GNU General Public License
+  You should have received a copy of the GNU Lesser General Public License
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
@@ -33,6 +33,7 @@
 #include <fcntl.h>
 
 #include "util.h"
+#include "mkdir.h"
 #include "conf-parser.h"
 #include "utmp-wtmp.h"
 #include "socket-util.h"
@@ -206,6 +207,7 @@ static int ask_password_plymouth(
                                 continue;
 
                         memcpy(&size, buffer+1, sizeof(size));
+                        size = le32toh(size);
                         if (size+5 > sizeof(buffer)) {
                                 r = -EIO;
                                 goto finish;
@@ -250,23 +252,22 @@ static int parse_password(const char *filename, char **wall) {
         int socket_fd = -1;
         bool accept_cached = false;
 
-        const ConfigItem items[] = {
-                { "Socket",       config_parse_string,   &socket_name,   "Ask" },
-                { "NotAfter",     config_parse_uint64,   &not_after,     "Ask" },
-                { "Message",      config_parse_string,   &message,       "Ask" },
-                { "PID",          config_parse_unsigned, &pid,           "Ask" },
-                { "AcceptCached", config_parse_bool,     &accept_cached, "Ask" },
-                { NULL, NULL, NULL, NULL }
+        const ConfigTableItem items[] = {
+                { "Ask", "Socket",       config_parse_string,   0, &socket_name   },
+                { "Ask", "NotAfter",     config_parse_uint64,   0, &not_after     },
+                { "Ask", "Message",      config_parse_string,   0, &message       },
+                { "Ask", "PID",          config_parse_unsigned, 0, &pid           },
+                { "Ask", "AcceptCached", config_parse_bool,     0, &accept_cached },
+                { NULL, NULL, NULL, 0, NULL }
         };
 
         FILE *f;
         int r;
-        usec_t n;
 
         assert(filename);
 
-        if (!(f = fopen(filename, "re"))) {
-
+        f = fopen(filename, "re");
+        if (!f) {
                 if (errno == ENOENT)
                         return 0;
 
@@ -274,19 +275,28 @@ static int parse_password(const char *filename, char **wall) {
                 return -errno;
         }
 
-        if ((r = config_parse(filename, f, NULL, items, true, NULL)) < 0) {
+        r = config_parse(filename, f, NULL, config_item_table_lookup, (void*) items, true, NULL);
+        if (r < 0) {
                 log_error("Failed to parse password file %s: %s", filename, strerror(-r));
                 goto finish;
         }
 
-        if (!socket_name || not_after <= 0) {
+        if (!socket_name) {
                 log_error("Invalid password file %s", filename);
                 r = -EBADMSG;
                 goto finish;
         }
 
-        n = now(CLOCK_MONOTONIC);
-        if (n > not_after) {
+        if (not_after > 0) {
+                if (now(CLOCK_MONOTONIC) > not_after) {
+                        r = 0;
+                        goto finish;
+                }
+        }
+
+        if (pid > 0 &&
+            kill(pid, 0) < 0 &&
+            errno == ESRCH) {
                 r = 0;
                 goto finish;
         }
@@ -369,10 +379,17 @@ static int parse_password(const char *filename, char **wall) {
                                 release_terminal();
                         }
 
-                        asprintf(&packet, "+%s", password);
-                        free(password);
+                        if (r >= 0) {
+                                packet_length = 1+strlen(password)+1;
+                                if (!(packet = new(char, packet_length)))
+                                        r = -ENOMEM;
+                                else {
+                                        packet[0] = '+';
+                                        strcpy(packet+1, password);
+                                }
 
-                        packet_length = strlen(packet);
+                                free(password);
+                        }
                 }
 
                 if (r == -ETIME || r == -ENOENT) {
@@ -382,17 +399,10 @@ static int parse_password(const char *filename, char **wall) {
                 }
 
                 if (r < 0) {
-
                         log_error("Failed to query password: %s", strerror(-r));
                         goto finish;
                 }
 
-                if (!packet) {
-                        log_error("Out of memory");
-                        r = -ENOMEM;
-                        goto finish;
-                }
-
                 if ((socket_fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0) {
                         log_error("socket(): %m");
                         r = -errno;
@@ -428,10 +438,11 @@ static int wall_tty_block(void) {
         int fd, r;
         dev_t devnr;
 
-        if ((r = get_ctty_devnr(&devnr)) < 0)
+        r = get_ctty_devnr(0, &devnr);
+        if (r < 0)
                 return -r;
 
-        if (asprintf(&p, "/dev/.run/systemd/ask-password-block/%u:%u", major(devnr), minor(devnr)) < 0)
+        if (asprintf(&p, "/run/systemd/ask-password-block/%u:%u", major(devnr), minor(devnr)) < 0)
                 return -ENOMEM;
 
         mkdir_parents(p, 0700);
@@ -475,7 +486,7 @@ static bool wall_tty_match(const char *path) {
          * advantage that the block will automatically go away if the
          * process dies. */
 
-        if (asprintf(&p, "/dev/.run/systemd/ask-password-block/%u:%u", major(st.st_rdev), minor(st.st_rdev)) < 0)
+        if (asprintf(&p, "/run/systemd/ask-password-block/%u:%u", major(st.st_rdev), minor(st.st_rdev)) < 0)
                 return true;
 
         fd = open(p, O_WRONLY|O_CLOEXEC|O_NONBLOCK|O_NOCTTY);
@@ -494,7 +505,7 @@ static int show_passwords(void) {
         struct dirent *de;
         int r = 0;
 
-        if (!(d = opendir("/dev/.run/systemd/ask-password"))) {
+        if (!(d = opendir("/run/systemd/ask-password"))) {
                 if (errno == ENOENT)
                         return 0;
 
@@ -519,7 +530,7 @@ static int show_passwords(void) {
                 if (!startswith(de->d_name, "ask."))
                         continue;
 
-                if (!(p = strappend("/dev/.run/systemd/ask-password/", de->d_name))) {
+                if (!(p = strappend("/run/systemd/ask-password/", de->d_name))) {
                         log_error("Out of memory");
                         r = -ENOMEM;
                         goto finish;
@@ -558,14 +569,14 @@ static int watch_passwords(void) {
 
         tty_block_fd = wall_tty_block();
 
-        mkdir_p("/dev/.run/systemd/ask-password", 0755);
+        mkdir_p("/run/systemd/ask-password", 0755);
 
         if ((notify = inotify_init1(IN_CLOEXEC)) < 0) {
                 r = -errno;
                 goto finish;
         }
 
-        if (inotify_add_watch(notify, "/dev/.run/systemd/ask-password", IN_CLOSE_WRITE|IN_MOVED_TO) < 0) {
+        if (inotify_add_watch(notify, "/run/systemd/ask-password", IN_CLOSE_WRITE|IN_MOVED_TO) < 0) {
                 r = -errno;
                 goto finish;
         }
@@ -719,6 +730,8 @@ int main(int argc, char *argv[]) {
         log_parse_environment();
         log_open();
 
+        umask(0022);
+
         if ((r = parse_argv(argc, argv)) <= 0)
                 goto finish;