-/* SmoothWall helper program - restartssh\r
- *\r
- * This program is distributed under the terms of the GNU General Public\r
- * Licence. See the file COPYING for details.\r
- *\r
- * (c) Mark Wormgoor, 2001\r
- * Simple program intended to be installed setuid(0) that can be used for\r
- * restarting SSHd. \r
- * \r
- * $Id: restartssh.c,v 1.3 2003/12/11 10:57:34 riddles Exp $\r
- * \r
- */\r
-\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-#include <unistd.h>\r
-#include <string.h>\r
-#include <sys/types.h>\r
-#include <fcntl.h>\r
-#include <signal.h>\r
-#include <errno.h>\r
-#include "libsmooth.h"\r
-#include "setuid.h"\r
-\r
-int main(void)\r
-{\r
- int fd, config_fd, rc, pid;\r
- char buffer[STRING_SIZE], command[STRING_SIZE] = "/bin/sed -e '";\r
- struct keyvalue *kv = NULL;\r
-\r
- if (!(initsetuid()))\r
- exit(1);\r
-\r
- kv = initkeyvalues();\r
- if (!readkeyvalues(kv, CONFIG_ROOT "/remote/settings"))\r
- {\r
- fprintf(stderr, "Cannot read remote access settings\n");\r
- exit(1);\r
- }\r
-\r
- /* By using O_CREAT with O_EXCL open() will fail if the file already exists,\r
- * this prevents 2 copies of restartssh both trying to edit the config file\r
- * at once. It also prevents race conditions, but these shouldn't be\r
- * possible as /etc/ssh/ should only be writable by root anyhow\r
- */\r
-\r
- if ((config_fd = open( "/etc/ssh/sshd_config.new", O_WRONLY|O_CREAT|O_EXCL, 0644 )) == -1 )\r
- {\r
- perror("Unable to open new config file");\r
- freekeyvalues(kv);\r
- exit(1);\r
- }\r
-\r
- if(findkey(kv, "ENABLE_SSH_PROTOCOL1", buffer) && !strcmp(buffer,"on"))\r
- strlcat(command, "s/^Protocol .*$/Protocol 2,1/;", STRING_SIZE - 1 );\r
- else\r
- strlcat(command, "s/^Protocol .*$/Protocol 2/;", STRING_SIZE - 1 );\r
-\r
- if(findkey(kv, "ENABLE_SSH_KEYS", buffer) && !strcmp(buffer,"off"))\r
- strlcat(command, "s/^RSAAuthentication .*$/RSAAuthentication no/;"\r
- "s/^PubkeyAuthentication .*$/PubkeyAuthentication no/;",\r
- STRING_SIZE - 1 );\r
- else\r
- strlcat(command, "s/^RSAAuthentication .*$/RSAAuthentication yes/;"\r
- "s/^PubkeyAuthentication .*$/PubkeyAuthentication yes/;",\r
- STRING_SIZE - 1 );\r
-\r
- if(findkey(kv, "ENABLE_SSH_PASSWORDS", buffer) && !strcmp(buffer,"off"))\r
- strlcat(command, "s/^PasswordAuthentication .*$/PasswordAuthentication no/;", STRING_SIZE - 1 );\r
- else\r
- strlcat(command, "s/^PasswordAuthentication .*$/PasswordAuthentication yes/;", STRING_SIZE - 1 );\r
-\r
- if(findkey(kv, "ENABLE_SSH_PORTFW", buffer) && !strcmp(buffer,"on"))\r
- strlcat(command, "s/^AllowTcpForwarding .*$/AllowTcpForwarding yes/", STRING_SIZE - 1 );\r
- else\r
- strlcat(command, "s/^AllowTcpForwarding .*$/AllowTcpForwarding no/", STRING_SIZE - 1 );\r
-\r
- freekeyvalues(kv);\r
-\r
- snprintf(buffer, STRING_SIZE - 1, "' /etc/ssh/sshd_config >&%d", config_fd );\r
- strlcat(command, buffer, STRING_SIZE - 1);\r
-\r
- if((rc = unpriv_system(command,99,99)) != 0)\r
- {\r
- fprintf(stderr, "sed returned bad exit code: %d\n", rc);\r
- close(config_fd);\r
- unlink("/etc/ssh/sshd_config.new");\r
- exit(1);\r
- }\r
- close(config_fd);\r
- if (rename("/etc/ssh/sshd_config.new","/etc/ssh/sshd_config") != 0)\r
- {\r
- perror("Unable to replace old config file");\r
- unlink("/etc/ssh/sshd_config.new");\r
- exit(1);\r
- }\r
-\r
- memset(buffer, 0, STRING_SIZE);\r
-\r
- if ((fd = open("/var/run/sshd.pid", O_RDONLY)) != -1)\r
- {\r
- if (read(fd, buffer, STRING_SIZE - 1) == -1)\r
- fprintf(stderr, "Couldn't read from pid file\n");\r
- else\r
- {\r
- pid = atoi(buffer);\r
- if (pid <= 1)\r
- fprintf(stderr, "Bad pid value\n");\r
- else\r
- {\r
- if (kill(pid, SIGTERM) == -1)\r
- fprintf(stderr, "Unable to send SIGTERM\n");\r
- else\r
- unlink("/var/run/sshd.pid");\r
- }\r
- }\r
- close(fd);\r
- }\r
- else\r
- {\r
- if (errno != ENOENT)\r
- {\r
- perror("Unable to open pid file");\r
- exit(1);\r
- }\r
- }\r
-\r
- if ((fd = open(CONFIG_ROOT "/remote/enablessh", O_RDONLY)) != -1)\r
- {\r
- close(fd);\r
- safe_system("/usr/sbin/sshd");\r
- }\r
-\r
- return 0;\r
-}\r
+/* SmoothWall helper program - restartssh
+ *
+ * This program is distributed under the terms of the GNU General Public
+ * Licence. See the file COPYING for details.
+ *
+ * (c) Mark Wormgoor, 2001
+ * Simple program intended to be installed setuid(0) that can be used for
+ * restarting SSHd.
+ *
+ * $Id: restartssh.c,v 1.3 2003/12/11 10:57:34 riddles Exp $
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <errno.h>
+#include "libsmooth.h"
+#include "setuid.h"
+
+int main(int argc, char *argv[])
+{
+ if (strcmp(argv[1], "tempstart15") == 0) {
+ safe_system("/usr/local/bin/restartssh");
+ sleep 5;
+ unlink("/var/ipfire/remote/enablessh");
+ safe_system("cat /var/ipfire/remote/settings | sed 's/ENABLE_SSH=on/ENABLE_SSH=off/' > /var/ipfire/remote/settings2 && mv /var/ipfire/remote/settings2 /var/ipfire/remote/settings");
+ safe_system("sleep 900 && /usr/local/bin/restartssh &");
+ }
+ else if (strcmp(argv[1], "tempstart30") == 0) {
+ safe_system("/usr/local/bin/restartssh");
+ sleep 5;
+ unlink("/var/ipfire/remote/enablessh");
+ safe_system("cat /var/ipfire/remote/settings | sed 's/ENABLE_SSH=on/ENABLE_SSH=off/' > /var/ipfire/remote/settings2 && mv /var/ipfire/remote/settings2 /var/ipfire/remote/settings");
+ safe_system("sleep 1800 && /usr/local/bin/restartssh &");
+ } else {
+ int fd, config_fd, rc, pid;
+ char buffer[STRING_SIZE], command[STRING_SIZE] = "/bin/sed -e '";
+ struct keyvalue *kv = NULL;
+
+ if (!(initsetuid()))
+ exit(1);
+
+ kv = initkeyvalues();
+ if (!readkeyvalues(kv, CONFIG_ROOT "/remote/settings"))
+ {
+ fprintf(stderr, "Cannot read remote access settings\n");
+ exit(1);
+ }
+
+ /* By using O_CREAT with O_EXCL open() will fail if the file already exists,
+ * this prevents 2 copies of restartssh both trying to edit the config file
+ * at once. It also prevents race conditions, but these shouldn't be
+ * possible as /etc/ssh/ should only be writable by root anyhow
+ */
+
+ if ((config_fd = open( "/etc/ssh/sshd_config.new", O_WRONLY|O_CREAT|O_EXCL, 0644 )) == -1 )
+ {
+ perror("Unable to open new config file");
+ freekeyvalues(kv);
+ exit(1);
+ }
+
+ if(findkey(kv, "ENABLE_SSH_PROTOCOL1", buffer) && !strcmp(buffer,"on"))
+ strlcat(command, "s/^Protocol .*$/Protocol 2,1/;", STRING_SIZE - 1 );
+ else
+ strlcat(command, "s/^Protocol .*$/Protocol 2/;", STRING_SIZE - 1 );
+
+ if(findkey(kv, "ENABLE_SSH_KEYS", buffer) && !strcmp(buffer,"off"))
+ strlcat(command, "s/^RSAAuthentication .*$/RSAAuthentication no/;"
+ "s/^PubkeyAuthentication .*$/PubkeyAuthentication no/;",
+ STRING_SIZE - 1 );
+ else
+ strlcat(command, "s/^RSAAuthentication .*$/RSAAuthentication yes/;"
+ "s/^PubkeyAuthentication .*$/PubkeyAuthentication yes/;",
+ STRING_SIZE - 1 );
+
+ if(findkey(kv, "ENABLE_SSH_PASSWORDS", buffer) && !strcmp(buffer,"off"))
+ strlcat(command, "s/^PasswordAuthentication .*$/PasswordAuthentication no/;", STRING_SIZE - 1 );
+ else
+ strlcat(command, "s/^PasswordAuthentication .*$/PasswordAuthentication yes/;", STRING_SIZE - 1 );
+
+ if(findkey(kv, "ENABLE_SSH_PORTFW", buffer) && !strcmp(buffer,"on"))
+ strlcat(command, "s/^AllowTcpForwarding .*$/AllowTcpForwarding yes/", STRING_SIZE - 1 );
+ else
+ strlcat(command, "s/^AllowTcpForwarding .*$/AllowTcpForwarding no/", STRING_SIZE - 1 );
+
+ freekeyvalues(kv);
+
+ snprintf(buffer, STRING_SIZE - 1, "' /etc/ssh/sshd_config >&%d", config_fd );
+ strlcat(command, buffer, STRING_SIZE - 1);
+
+ if((rc = unpriv_system(command,99,99)) != 0)
+ {
+ fprintf(stderr, "sed returned bad exit code: %d\n", rc);
+ close(config_fd);
+ unlink("/etc/ssh/sshd_config.new");
+ exit(1);
+ }
+ close(config_fd);
+ if (rename("/etc/ssh/sshd_config.new","/etc/ssh/sshd_config") != 0)
+ {
+ perror("Unable to replace old config file");
+ unlink("/etc/ssh/sshd_config.new");
+ exit(1);
+ }
+
+ memset(buffer, 0, STRING_SIZE);
+
+ if ((fd = open("/var/run/sshd.pid", O_RDONLY)) != -1)
+ {
+ if (read(fd, buffer, STRING_SIZE - 1) == -1)
+ fprintf(stderr, "Couldn't read from pid file\n");
+ else
+ {
+ pid = atoi(buffer);
+ if (pid <= 1)
+ fprintf(stderr, "Bad pid value\n");
+ else
+ {
+ if (kill(pid, SIGTERM) == -1)
+ fprintf(stderr, "Unable to send SIGTERM\n");
+ else
+ unlink("/var/run/sshd.pid");
+ }
+ }
+ close(fd);
+ }
+ else
+ {
+ if (errno != ENOENT)
+ {
+ perror("Unable to open pid file");
+ exit(1);
+ }
+ }
+
+ if ((fd = open(CONFIG_ROOT "/remote/enablessh", O_RDONLY)) != -1)
+ {
+ close(fd);
+ safe_system("/usr/sbin/sshd");
+ }
+
+ return 0;
+ }
+}
projects / ipfire-2.x.git / commitdiff
