#include <limits.h>
#include <pwd.h>
#include <time.h>
+#include <sys/socket.h>
+#include <sys/un.h>
#include <libcitadel.h>
#include "citadel.h"
#include "axdefs.h"
}
+int uds_connectsock(char *sockpath) {
+ int s;
+ struct sockaddr_un addr;
+ memset(&addr, 0, sizeof(addr));
+ addr.sun_family = AF_UNIX;
+ strncpy(addr.sun_path, sockpath, sizeof addr.sun_path);
+
+ s = socket(AF_UNIX, SOCK_STREAM, 0);
+ if (s < 0) {
+ fprintf(stderr, "sendcommand: Can't create socket: %s\n", strerror(errno));
+ exit(3);
+ }
+
+ if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ fprintf(stderr, "sendcommand: can't connect: %s\n", strerror(errno));
+ close(s);
+ exit(3);
+ }
+
+ return s;
+}
+
+
+/*
+ * input binary data from socket
+ */
+void serv_read(int serv_sock, char *buf, int bytes) {
+ int len, rlen;
+
+ len = 0;
+ while (len < bytes) {
+ rlen = read(serv_sock, &buf[len], bytes - len);
+ if (rlen < 1) {
+ return;
+ }
+ len = len + rlen;
+ }
+}
+
+
+/*
+ * send binary to server
+ */
+void serv_write(int serv_sock, char *buf, int nbytes) {
+ int bytes_written = 0;
+ int retval;
+ while (bytes_written < nbytes) {
+ retval = write(serv_sock, &buf[bytes_written], nbytes - bytes_written);
+ if (retval < 1) {
+ return;
+ }
+ bytes_written = bytes_written + retval;
+ }
+}
+
+
+/*
+ * input string from socket - implemented in terms of serv_read()
+ */
+void serv_gets(int serv_sock, char *buf) {
+ int i;
+
+ /* Read one character at a time.
+ */
+ for (i = 0;; i++) {
+ serv_read(serv_sock, &buf[i], 1);
+ if (buf[i] == '\n' || i == (SIZ-1))
+ break;
+ }
+
+ /* If we got a long line, discard characters until the newline.
+ */
+ if (i == (SIZ-1)) {
+ while (buf[i] != '\n') {
+ serv_read(serv_sock, &buf[i], 1);
+ }
+ }
+
+ /* Strip all trailing nonprintables (crlf)
+ */
+ buf[i] = 0;
+}
+
+
+/*
+ * send line to server - implemented in terms of serv_write()
+ */
+void serv_puts(int serv_sock, char *buf) {
+ serv_write(serv_sock, buf, strlen(buf));
+ serv_write(serv_sock, "\n", 1);
+}
int main(int argc, char *argv[]) {
char ctdldir[PATH_MAX]=CTDLDIR;
char yesno[5];
- char sendcommand[PATH_MAX];
int cmdexit;
char cmd[PATH_MAX];
char buf[PATH_MAX];
char remote_host[SIZ];
char remote_sendcommand[PATH_MAX];
FILE *sourcefp = NULL;
- FILE *targetfp = NULL;
int linecount = 0;
- char spinning[4] = "-\\|/" ;
- int exitcode = 0;
-
- CtdlMakeTempFileName(socket_path, sizeof socket_path);
+ int a;
+ int local_admin_socket = (-1);
+
+ /* Parse command line */
+ while ((a = getopt(argc, argv, "h:")) != EOF) {
+ switch (a) {
+ case 'h':
+ strncpy(ctdldir, optarg, sizeof ctdldir);
+ break;
+ default:
+ fprintf(stderr, "sendcommand: usage: ctdlmigrate [-h server_dir]\n");
+ return(1);
+ }
+ }
+
if (chdir(ctdldir) != 0) {
fprintf(stderr, "sendcommand: %s: %s\n", ctdldir, strerror(errno));
exit(errno);
}
-
printf( "\033[2J\033[H\n"
"-------------------------------------------\n"
"Over-the-wire migration utility for Citadel\n"
"the 'rsync' utility, and OpenSSH v4 or newer.\n"
"\n"
"You must run this utility on the TARGET SYSTEM. Any existing data\n"
- "on this system will be ERASED.\n"
+ "on this system will be ERASED. Your target system will be on this\n"
+ "host in %s.\n"
"\n"
"Do you wish to continue? "
,
- EXPORT_REV_MIN
+ EXPORT_REV_MIN, ctdldir
);
if ((fgets(yesno, sizeof yesno, stdin) == NULL) || (tolower(yesno[0]) != 'y')) {
printf("\n\nGreat! First we will check some things out here on our target\n"
"system to make sure it is ready to receive data.\n\n");
- printf("Locating 'sendcommand' and checking connectivity to Citadel...\n");
- snprintf(sendcommand, sizeof sendcommand, "%s/sendcommand", ctdl_utilbin_dir);
- snprintf(cmd, sizeof cmd, "%s 'NOOP'", sendcommand);
- cmdexit = system(cmd);
- if (cmdexit != 0) {
- printf("\nctdlmigrate was unable to attach to the Citadel server\n"
- "here on the target system. Is Citadel running?\n\n");
+ printf("Checking connectivity to Citadel in %s...\n", ctdldir);
+ local_admin_socket = uds_connectsock("citadel-admin.socket");
+
+
+ serv_gets(local_admin_socket, buf);
+ puts(buf);
+ if (buf[0] != '2') {
exit(1);
}
+ serv_puts(local_admin_socket, "ECHO Connection to Citadel Server succeeded.");
+ serv_gets(local_admin_socket, buf);
+ puts(buf);
+ if (buf[0] != '2') {
+ exit(1);
+ }
+
printf("\nOK, this side is ready to go. Now we must connect to the source system.\n\n");
printf("Enter the host name or IP address of the source system\n"
"--> ");
getz(remote_host);
-get_remote_user:
- printf("\nEnter the name of a user on %s who has full access to Citadel files\n"
- "(usually root)\n--> ",
- remote_host);
- getz(remote_user);
- if (IsEmptyStr(remote_user))
- goto get_remote_user;
+ while (IsEmptyStr(remote_user)) {
+ printf("\nEnter the name of a user on %s who has full access to Citadel files\n"
+ "(usually root)\n--> ",
+ remote_host);
+ getz(remote_user);
+ }
printf("\nEstablishing an SSH connection to the source system...\n\n");
+ sprintf(socket_path, "/tmp/ctdlmigrate.XXXXXX");
+ mktemp(socket_path);
unlink(socket_path);
snprintf(cmd, sizeof cmd, "ssh -MNf -S %s %s@%s", socket_path, remote_user, remote_host);
cmdexit = system(cmd);
printf("\n");
if (cmdexit != 0) {
printf("This program was unable to establish an SSH session to the source system.\n\n");
- exitcode = cmdexit;
- goto THEEND;
+ exit(cmdexit);
}
printf("\nTesting a command over the connection...\n\n");
printf("\n");
if (cmdexit != 0) {
printf("Remote commands are not succeeding.\n\n");
- exitcode = cmdexit;
- goto THEEND;
+ exit(cmdexit);
}
printf("\nLocating the remote 'sendcommand' and Citadel installation...\n");
printf("\n");
if (cmdexit != 0) {
printf("ctdlmigrate was unable to attach to the remote Citadel system.\n\n");
- exitcode = cmdexit;
- goto THEEND;
+ exit(cmdexit);
}
- printf("ctdlmigrate will now begin a database migration...\n");
- printf(" if the system doesn't start working, \n");
- printf(" have a look at the syslog for pending jobs needing to be terminated.\n");
+ printf("\033[2J\n");
+ printf("\033[2;0H\033[33mMigrating from %s\033[0m\n\n", remote_host);
- snprintf(cmd, sizeof cmd, "ssh -S %s %s@%s %s -w3600 MIGR export",
- socket_path, remote_user, remote_host, remote_sendcommand);
+ snprintf(cmd, sizeof cmd, "ssh -S %s %s@%s %s -w3600 MIGR export", socket_path, remote_user, remote_host, remote_sendcommand);
sourcefp = popen(cmd, "r");
if (!sourcefp) {
printf("\n%s\n\n", strerror(errno));
- exitcode = 2;
- goto THEEND;
+ exit(2);
}
- snprintf(cmd, sizeof cmd, "%s -w3600 MIGR import", sendcommand);
- targetfp = popen(cmd, "w");
- if (!targetfp) {
- printf("\n%s\n\n", strerror(errno));
- exitcode = 3;
- goto THEEND;
+ serv_puts(local_admin_socket, "MIGR import");
+ serv_gets(local_admin_socket, buf);
+ if (buf[0] != '4') {
+ printf("\n%s\n", buf);
+ exit(3);
}
- while (fgets(buf, sizeof buf, sourcefp) != NULL) {
- if (fwrite(buf, strlen(buf), 1, targetfp) < 1) {
- exitcode = 4;
- printf("%s\n", strerror(errno));
- goto FAIL;
- }
+ char *ptr;
+ time_t time_started = time(NULL);
+ time_t last_update = time(NULL);
+ while (ptr = fgets(buf, SIZ, sourcefp), (ptr != NULL)) {
+ ptr = strchr(buf, '\n');
+ if (ptr) *ptr = 0;
++linecount;
- if ((linecount % 100) == 0) {
- printf("%c\r", spinning[((linecount / 100) % 4)]);
- fflush(stdout);
+ if (!strncasecmp(buf, "<progress>", 10)) {
+ printf("\033[11;0HPercent complete: \033[32m%d\033[0m\n", atoi(&buf[10]));
}
+ if (time(NULL) != last_update) {
+ last_update = time(NULL);
+ printf("\033[10;0H Lines received: \033[32m%d\033[0m\n", linecount);
+ }
+ serv_puts(local_admin_socket, buf);
}
-FAIL: if (sourcefp) pclose(sourcefp);
- if (targetfp) pclose(targetfp);
- if (exitcode != 0) goto THEEND;
-
- /* We need to copy a bunch of other stuff, and will do so using rsync */
+ serv_puts(local_admin_socket, "000");
- snprintf(cmd, sizeof cmd, "ssh -S %s %s@%s %s MIGR listdirs",
- socket_path, remote_user, remote_host, remote_sendcommand);
- sourcefp = popen(cmd, "r");
- if (!sourcefp) {
- printf("\n%s\n\n", strerror(errno));
- exitcode = 2;
- goto THEEND;
- }
- while ((fgets(buf, sizeof buf, sourcefp)) && (strcmp(buf, "000"))) {
- buf[strlen(buf)-1] = 0;
+ // FIXME restart the local server now
- if (!strncasecmp(buf, "files|", 6)) {
- snprintf(cmd, sizeof cmd, "rsync -va --rsh='ssh -S %s' %s@%s:%s/ %s/",
- socket_path, remote_user, remote_host, &buf[6], ctdl_file_dir);
- }
- else if (!strncasecmp(buf, "messages|", 9)) {
- snprintf(cmd, sizeof cmd, "rsync -va --rsh='ssh -S %s' %s@%s:%s/ %s/",
- socket_path, remote_user, remote_host, &buf[9], ctdl_message_dir);
- }
- else if (!strncasecmp(buf, "keys|", 5)) {
- snprintf(cmd, sizeof cmd, "rsync -va --rsh='ssh -S %s' %s@%s:%s/ %s/",
- socket_path, remote_user, remote_host, &buf[5], ctdl_key_dir);
- }
- else {
- strcpy(cmd, "false"); /* cheap and sleazy way to throw an error */
- }
- printf("%s\n", cmd);
- cmdexit = system(cmd);
- if (cmdexit != 0) {
- exitcode += cmdexit;
- }
- }
pclose(sourcefp);
-
-THEEND: if (exitcode == 0) {
- printf("\n\n *** Citadel migration was successful! *** \n\n");
- }
- else {
- printf("\n\n *** Citadel migration was unsuccessful. *** \n\n");
- }
- printf("\nShutting down the socket connection...\n\n");
- snprintf(cmd, sizeof cmd, "ssh -S %s -N -O exit %s@%s",
- socket_path, remote_user, remote_host);
- cmdexit = system(cmd);
- printf("\n");
- if (cmdexit != 0) {
- printf("There was an error shutting down the socket.\n\n");
- exitcode = cmdexit;
- }
-
+ printf("\nShutting down the socket connection...\n\n");
+ snprintf(cmd, sizeof cmd, "ssh -S %s -N -O exit %s@%s", socket_path, remote_user, remote_host);
+ system(cmd);
unlink(socket_path);
- exit(exitcode);
+ exit(0);
}