This program 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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program 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.
-
+
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "includes.h"
+#include "system/filesys.h"
+#include "popt_common.h"
#include "libsmbclient.h"
#if _FILE_OFFSET_BITS==64
#define OFF_T_FORMAT_CAST long
#endif
-int columns = 0;
+static int columns = 0;
-static int _resume, _recursive, debuglevel;
+static int debuglevel, update;
static char *outputfile;
-time_t total_start_time = 0;
-off_t total_bytes = 0;
+static time_t total_start_time = 0;
+static off_t total_bytes = 0;
#define SMB_MAXPATHLEN MAXPATHLEN
/* Number of bytes to read at once */
#define SMB_DEFAULT_BLOCKSIZE 64000
-const char *username = NULL, *password = NULL, *workgroup = NULL;
-int nonprompt = 0, quiet = 0, dots = 0, keep_permissions = 0, verbose = 0, send_stdout = 0;
-int blocksize = SMB_DEFAULT_BLOCKSIZE;
+static const char *username = NULL, *password = NULL, *workgroup = NULL;
+static int nonprompt = 0, quiet = 0, dots = 0, keep_permissions = 0, verbose = 0, send_stdout = 0;
+static int blocksize = SMB_DEFAULT_BLOCKSIZE;
-int smb_download_file(const char *base, const char *name, int recursive, int resume, char *outfile);
+static int smb_download_file(const char *base, const char *name, int recursive,
+ int resume, int toplevel, char *outfile);
-int get_num_cols(void)
+static int get_num_cols(void)
{
#ifdef TIOCGWINSZ
struct winsize ws;
#endif
}
-void change_columns(int sig)
+static void change_columns(int sig)
{
columns = get_num_cols();
}
-void human_readable(off_t s, char *buffer, int l)
+static void human_readable(off_t s, char *buffer, int l)
{
- if(s > 1024 * 1024 * 1024) snprintf(buffer, l, "%.2fGb", 1.0 * s / (1024 * 1024 * 1024));
- else if(s > 1024 * 1024) snprintf(buffer, l, "%.2fMb", 1.0 * s / (1024 * 1024));
- else if(s > 1024) snprintf(buffer, l, "%.2fkb", 1.0 * s / 1024);
- else snprintf(buffer, l, OFF_T_FORMAT"b", (OFF_T_FORMAT_CAST)s);
+ if (s > 1024 * 1024 * 1024) {
+ snprintf(buffer, l, "%.2fGB", 1.0 * s / (1024 * 1024 * 1024));
+ } else if (s > 1024 * 1024) {
+ snprintf(buffer, l, "%.2fMB", 1.0 * s / (1024 * 1024));
+ } else if (s > 1024) {
+ snprintf(buffer, l, "%.2fkB", 1.0 * s / 1024);
+ } else {
+ snprintf(buffer, l, OFF_T_FORMAT"b", (OFF_T_FORMAT_CAST)s);
+ }
}
-void get_auth_data(const char *srv, const char *shr, char *wg, int wglen, char *un, int unlen, char *pw, int pwlen)
+static void get_auth_data(const char *srv, const char *shr, char *wg, int wglen, char *un, int unlen, char *pw, int pwlen)
{
static char hasasked = 0;
char *wgtmp, *usertmp;
if(!nonprompt && !username) {
printf("Username for %s at %s [guest] ", shr, srv);
- fgets(tmp, sizeof(tmp), stdin);
- if(tmp[strlen(tmp)-1] == '\n')tmp[strlen(tmp)-1] = '\0';
+ if (fgets(tmp, sizeof(tmp), stdin) == NULL) {
+ return;
+ }
+ if ((strlen(tmp) > 0) && (tmp[strlen(tmp)-1] == '\n')) {
+ tmp[strlen(tmp)-1] = '\0';
+ }
strncpy(un, tmp, unlen-1);
} else if(username) strncpy(un, username, unlen-1);
if(!nonprompt && !password) {
- char *prompt, *pass;
- asprintf(&prompt, "Password for %s at %s: ", shr, srv);
- pass = getpass(prompt);
+ char *prompt;
+ if (asprintf(&prompt, "Password for %s at %s: ", shr, srv) == -1) {
+ return;
+ }
+ (void) samba_getpass(prompt, pw, pwlen, false, false);
free(prompt);
- strncpy(pw, pass, pwlen-1);
} else if(password) strncpy(pw, password, pwlen-1);
if(workgroup)strncpy(wg, workgroup, wglen-1);
free(wgtmp); free(usertmp);
}
-int smb_download_dir(const char *base, const char *name, int resume)
+/* Return 1 on error, 0 on success. */
+
+static int smb_download_dir(const char *base, const char *name, int resume)
{
char path[SMB_MAXPATHLEN];
int dirhandle;
const char *relname = name;
char *tmpname;
struct stat remotestat;
+ int ret = 0;
+
snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base, (base[0] && name[0] && name[0] != '/' && base[strlen(base)-1] != '/')?"/":"", name);
/* List files in directory and call smb_download_file on them */
dirhandle = smbc_opendir(path);
if(dirhandle < 1) {
- if(errno == ENOTDIR) return smb_download_file(base, name, 1, resume, NULL);
+ if (errno == ENOTDIR) {
+ return smb_download_file(base, name, 1, resume,
+ 0, NULL);
+ }
fprintf(stderr, "Can't open directory %s: %s\n", path, strerror(errno));
- return 0;
+ return 1;
}
while(*relname == '/')relname++;
mkdir(relname, 0755);
-
+
tmpname = SMB_STRDUP(name);
while((dirent = smbc_readdir(dirhandle))) {
char *newname;
if(!strcmp(dirent->name, ".") || !strcmp(dirent->name, ".."))continue;
- asprintf(&newname, "%s/%s", tmpname, dirent->name);
+ if (asprintf(&newname, "%s/%s", tmpname, dirent->name) == -1) {
+ return 1;
+ }
switch(dirent->smbc_type) {
case SMBC_DIR:
- smb_download_dir(base, newname, resume);
+ ret = smb_download_dir(base, newname, resume);
break;
case SMBC_WORKGROUP:
- smb_download_dir("smb://", dirent->name, resume);
+ ret = smb_download_dir("smb://", dirent->name, resume);
break;
case SMBC_SERVER:
- smb_download_dir("smb://", dirent->name, resume);
+ ret = smb_download_dir("smb://", dirent->name, resume);
break;
case SMBC_FILE:
- smb_download_file(base, newname, 1, resume, NULL);
+ ret = smb_download_file(base, newname, 1, resume, 0,
+ NULL);
break;
case SMBC_FILE_SHARE:
- smb_download_dir(base, newname, resume);
+ ret = smb_download_dir(base, newname, resume);
break;
case SMBC_PRINTER_SHARE:
case SMBC_COMMS_SHARE:
if(!quiet)printf("Ignoring comms share %s\n", dirent->name);
break;
-
+
case SMBC_IPC_SHARE:
if(!quiet)printf("Ignoring ipc$ share %s\n", dirent->name);
break;
if(smbc_fstat(dirhandle, &remotestat) < 0) {
fprintf(stderr, "Unable to get stats on %s on remote server\n", path);
smbc_closedir(dirhandle);
- return 0;
+ return 1;
}
-
+
if(chmod(relname, remotestat.st_mode) < 0) {
- fprintf(stderr, "Unable to change mode of local dir %s to %o\n", relname, remotestat.st_mode);
+ fprintf(stderr, "Unable to change mode of local dir %s to %o\n", relname,
+ (unsigned int)remotestat.st_mode);
smbc_closedir(dirhandle);
- return 0;
+ return 1;
}
}
smbc_closedir(dirhandle);
- return 1;
+ return ret;
}
-char *print_time(long t)
+static char *print_time(long t)
{
static char buffer[100];
int secs, mins, hours;
return buffer;
}
-void print_progress(const char *name, time_t start, time_t now, off_t start_pos, off_t pos, off_t total)
+static void print_progress(const char *name, time_t start, time_t now, off_t start_pos, off_t pos, off_t total)
{
double avg = 0.0;
long eta = -1;
human_readable(avg, havg, sizeof(havg));
len = asprintf(&status, "%s of %s (%.2f%%) at %s/s ETA: %s", hpos, htotal, prcnt, havg, print_time(eta));
-
+ if (len == -1) {
+ return;
+ }
+
if(columns) {
int required = strlen(name), available = columns - len - strlen("[] ");
- if(required > available) asprintf(&filename, "...%s", name + required - available + 3);
- else filename = SMB_STRNDUP(name, available);
+ if(required > available) {
+ if (asprintf(&filename, "...%s", name + required - available + 3) == -1) {
+ return;
+ }
+ } else {
+ filename = SMB_STRNDUP(name, available);
+ }
} else filename = SMB_STRDUP(name);
fprintf(stderr, "\r[%s] %s", filename, status);
free(filename); free(status);
}
-int smb_download_file(const char *base, const char *name, int recursive, int resume, char *outfile) {
+/* Return 1 on error, 0 on success. */
+
+static int smb_download_file(const char *base, const char *name, int recursive,
+ int resume, int toplevel, char *outfile)
+{
int remotehandle, localhandle;
- time_t start_time = time(NULL);
+ time_t start_time = time_mono(NULL);
const char *newpath;
char path[SMB_MAXPATHLEN];
char checkbuf[2][RESUME_CHECK_SIZE];
struct stat localstat, remotestat;
snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base, (*base && *name && name[0] != '/' && base[strlen(base)-1] != '/')?"/":"", name);
-
+
remotehandle = smbc_open(path, O_RDONLY, 0755);
if(remotehandle < 0) {
case EISDIR:
if(!recursive) {
fprintf(stderr, "%s is a directory. Specify -R to download recursively\n", path);
- return 0;
+ return 1;
}
- smb_download_dir(base, name, resume);
- return 0;
+ return smb_download_dir(base, name, resume);
case ENOENT:
fprintf(stderr, "%s can't be found on the remote server\n", path);
- return 0;
+ return 1;
case ENOMEM:
fprintf(stderr, "Not enough memory\n");
- exit(1);
- return 0;
+ return 1;
case ENODEV:
fprintf(stderr, "The share name used in %s does not exist\n", path);
- return 0;
+ return 1;
case EACCES:
fprintf(stderr, "You don't have enough permissions to access %s\n", path);
- return 0;
+ return 1;
default:
perror("smbc_open");
- return 0;
+ return 1;
}
}
if(smbc_fstat(remotehandle, &remotestat) < 0) {
fprintf(stderr, "Can't stat %s: %s\n", path, strerror(errno));
- return 0;
+ return 1;
}
if(outfile) newpath = outfile;
if(newpath)newpath++; else newpath = base;
} else newpath = name;
- if(newpath[0] == '/')newpath++;
-
- /* Open local file and, if necessary, resume */
- if(!send_stdout) {
+ if (!toplevel && (newpath[0] == '/')) {
+ newpath++;
+ }
+
+ /* Open local file according to the mode */
+ if(update) {
+ /* if it is up-to-date, skip */
+ if(stat(newpath, &localstat) == 0 &&
+ localstat.st_mtime >= remotestat.st_mtime) {
+ if(verbose)
+ printf("%s is up-to-date, skipping\n", newpath);
+ smbc_close(remotehandle);
+ return 0;
+ }
+ /* else open it for writing and truncate if it exists */
+ localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | O_TRUNC, 0775);
+ if(localhandle < 0) {
+ fprintf(stderr, "Can't open %s : %s\n", newpath,
+ strerror(errno));
+ smbc_close(remotehandle);
+ return 1;
+ }
+ /* no offset */
+ } else if(!send_stdout) {
localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | (!resume?O_EXCL:0), 0755);
if(localhandle < 0) {
fprintf(stderr, "Can't open %s: %s\n", newpath, strerror(errno));
smbc_close(remotehandle);
- return 0;
+ return 1;
+ }
+
+ if (fstat(localhandle, &localstat) != 0) {
+ fprintf(stderr, "Can't fstat %s: %s\n", newpath, strerror(errno));
+ smbc_close(remotehandle);
+ close(localhandle);
+ return 1;
}
-
- fstat(localhandle, &localstat);
start_offset = localstat.st_size;
else if(!quiet)fprintf(stderr, "%s\n", path);
smbc_close(remotehandle);
close(localhandle);
- return 1;
+ return 0;
}
if(localstat.st_size > RESUME_CHECK_OFFSET && remotestat.st_size > RESUME_CHECK_OFFSET) {
fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in local file %s\n",
(OFF_T_FORMAT_CAST)offset_check, newpath);
smbc_close(remotehandle); close(localhandle);
- return 0;
+ return 1;
}
off2 = smbc_lseek(remotehandle, offset_check, SEEK_SET);
fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in remote file %s\n",
(OFF_T_FORMAT_CAST)offset_check, newpath);
smbc_close(remotehandle); close(localhandle);
- return 0;
+ return 1;
}
if(off1 != off2) {
fprintf(stderr, "Offset in local and remote files is different (local: "OFF_T_FORMAT", remote: "OFF_T_FORMAT")\n",
(OFF_T_FORMAT_CAST)off1,
(OFF_T_FORMAT_CAST)off2);
- return 0;
+ smbc_close(remotehandle); close(localhandle);
+ return 1;
}
if(smbc_read(remotehandle, checkbuf[0], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
fprintf(stderr, "Can't read %d bytes from remote file %s\n", RESUME_CHECK_SIZE, path);
smbc_close(remotehandle); close(localhandle);
- return 0;
+ return 1;
}
if(read(localhandle, checkbuf[1], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
fprintf(stderr, "Can't read %d bytes from local file %s\n", RESUME_CHECK_SIZE, name);
smbc_close(remotehandle); close(localhandle);
- return 0;
+ return 1;
}
if(memcmp(checkbuf[0], checkbuf[1], RESUME_CHECK_SIZE) == 0) {
} else {
fprintf(stderr, "Local and remote file appear to be different, not doing resume for %s\n", path);
smbc_close(remotehandle); close(localhandle);
- return 0;
+ return 1;
}
}
} else {
offset_check = 0;
}
- readbuf = SMB_MALLOC(blocksize);
+ readbuf = (char *)SMB_MALLOC(blocksize);
+ if (!readbuf) {
+ if (localhandle != STDOUT_FILENO) {
+ close(localhandle);
+ }
+ return 1;
+ }
/* Now, download all bytes from offset_download to the end */
for(curpos = offset_download; curpos < remotestat.st_size; curpos+=blocksize) {
smbc_close(remotehandle);
if (localhandle != STDOUT_FILENO) close(localhandle);
free(readbuf);
- return 0;
+ return 1;
}
total_bytes += bytesread;
free(readbuf);
smbc_close(remotehandle);
if (localhandle != STDOUT_FILENO) close(localhandle);
- return 0;
+ return 1;
}
if(dots)fputc('.', stderr);
else if(!quiet) {
- print_progress(newpath, start_time, time(NULL), start_offset, curpos, remotestat.st_size);
+ print_progress(newpath, start_time, time_mono(NULL),
+ start_offset, curpos, remotestat.st_size);
}
}
if(keep_permissions && !send_stdout) {
if(fchmod(localhandle, remotestat.st_mode) < 0) {
- fprintf(stderr, "Unable to change mode of local file %s to %o\n", path, remotestat.st_mode);
+ fprintf(stderr, "Unable to change mode of local file %s to %o\n", path,
+ (unsigned int)remotestat.st_mode);
smbc_close(remotehandle);
close(localhandle);
- return 0;
+ return 1;
}
}
smbc_close(remotehandle);
if (localhandle != STDOUT_FILENO) close(localhandle);
- return 1;
+ return 0;
}
-void clean_exit(void)
+static void clean_exit(void)
{
char bs[100];
human_readable(total_bytes, bs, sizeof(bs));
- if(!quiet)fprintf(stderr, "Downloaded %s in %lu seconds\n", bs, time(NULL) - total_start_time);
+ if(!quiet)fprintf(stderr, "Downloaded %s in %lu seconds\n", bs,
+ (unsigned long)(time_mono(NULL) - total_start_time));
exit(0);
}
-void signal_quit(int v)
+static void signal_quit(int v)
{
clean_exit();
}
-int readrcfile(const char *name, const struct poptOption long_options[])
+static int readrcfile(const char *name, const struct poptOption long_options[])
{
FILE *fd = fopen(name, "r");
int lineno = 0, i;
int c = 0;
const char *file = NULL;
char *rcfile = NULL;
+ bool smb_encrypt = false;
+ int resume = 0, recursive = 0;
+ TALLOC_CTX *frame = talloc_stackframe();
+ int ret = 0;
struct poptOption long_options[] = {
{"guest", 'a', POPT_ARG_NONE, NULL, 'a', "Work as user guest" },
- {"resume", 'r', POPT_ARG_NONE, &_resume, 0, "Automatically resume aborted files" },
- {"recursive", 'R', POPT_ARG_NONE, &_recursive, 0, "Recursively download files" },
+ {"encrypt", 'e', POPT_ARG_NONE, NULL, 'e', "Encrypt SMB transport (UNIX extended servers only)" },
+ {"resume", 'r', POPT_ARG_NONE, &resume, 0, "Automatically resume aborted files" },
+ {"update", 'U', POPT_ARG_NONE, &update, 0, "Download only when remote file is newer than local file or local file is missing"},
+ {"recursive", 'R', POPT_ARG_NONE, &recursive, 0, "Recursively download files" },
{"username", 'u', POPT_ARG_STRING, &username, 'u', "Username to use" },
{"password", 'p', POPT_ARG_STRING, &password, 'p', "Password to use" },
{"workgroup", 'w', POPT_ARG_STRING, &workgroup, 'w', "Workgroup to use (optional)" },
{"verbose", 'v', POPT_ARG_NONE, &verbose, 'v', "Be verbose" },
{"keep-permissions", 'P', POPT_ARG_NONE, &keep_permissions, 'P', "Keep permissions" },
{"blocksize", 'b', POPT_ARG_INT, &blocksize, 'b', "Change number of bytes in a block"},
- {"rcfile", 'f', POPT_ARG_STRING, NULL, 0, "Use specified rc file"},
+ {"rcfile", 'f', POPT_ARG_STRING, NULL, 'f', "Use specified rc file"},
POPT_AUTOHELP
POPT_TABLEEND
};
load_case_tables();
/* only read rcfile if it exists */
- asprintf(&rcfile, "%s/.smbgetrc", getenv("HOME"));
+ if (asprintf(&rcfile, "%s/.smbgetrc", getenv("HOME")) == -1) {
+ return 1;
+ }
if(access(rcfile, F_OK) == 0)
readrcfile(rcfile, long_options);
free(rcfile);
case 'a':
username = ""; password = "";
break;
+ case 'e':
+ smb_encrypt = true;
+ break;
}
}
- if((send_stdout || outputfile) && _recursive) {
+ if((send_stdout || resume || outputfile) && update) {
+ fprintf(stderr, "The -o, -R or -O and -U options can not be used together.\n");
+ return 1;
+ }
+ if((send_stdout || outputfile) && recursive) {
fprintf(stderr, "The -o or -O and -R options can not be used together.\n");
return 1;
}
return 1;
}
+ if (smb_encrypt) {
+ SMBCCTX *smb_ctx = smbc_set_context(NULL);
+ smbc_option_set(smb_ctx,
+ discard_const_p(char, "smb_encrypt_level"),
+ "require");
+ }
+
columns = get_num_cols();
- total_start_time = time(NULL);
+ total_start_time = time_mono(NULL);
while ( (file = poptGetArg(pc)) ) {
- if (!_recursive)
- return smb_download_file(file, "", _recursive, _resume, outputfile);
+ if (!recursive)
+ ret = smb_download_file(file, "", recursive, resume,
+ 1, outputfile);
else
- return smb_download_dir(file, "", _resume);
+ ret = smb_download_dir(file, "", resume);
}
- clean_exit();
-
- return 0;
+ TALLOC_FREE(frame);
+ if ( ret == 0){
+ clean_exit();
+ }
+ return ret;
}
git.samba.org / mat / samba.git / blobdiff