[599] | 1 | /*
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| 2 | smbget: a wget-like utility with support for recursive downloading and
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| 3 | smb:// urls
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| 4 | Copyright (C) 2003-2004 Jelmer Vernooij <jelmer@samba.org>
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| 5 |
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| 6 | This program is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 3 of the License, or
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| 9 | (at your option) any later version.
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[745] | 10 |
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[599] | 11 | This program is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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[745] | 15 |
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[599] | 16 | You should have received a copy of the GNU General Public License
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| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */
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| 18 |
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| 19 | #include "includes.h"
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[745] | 20 | #include "system/filesys.h"
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| 21 | #include "popt_common.h"
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[599] | 22 | #include "libsmbclient.h"
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| 23 |
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| 24 | #if _FILE_OFFSET_BITS==64
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| 25 | #define OFF_T_FORMAT "%lld"
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| 26 | #define OFF_T_FORMAT_CAST long long
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| 27 | #else
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| 28 | #define OFF_T_FORMAT "%ld"
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| 29 | #define OFF_T_FORMAT_CAST long
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| 30 | #endif
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| 31 |
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| 32 | static int columns = 0;
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| 33 |
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| 34 | static int debuglevel, update;
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| 35 | static char *outputfile;
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| 36 |
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| 37 |
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| 38 | static time_t total_start_time = 0;
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| 39 | static off_t total_bytes = 0;
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| 40 |
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| 41 | #define SMB_MAXPATHLEN MAXPATHLEN
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| 42 |
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| 43 | /* Number of bytes to read when checking whether local and remote file are really the same file */
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| 44 | #define RESUME_CHECK_SIZE 512
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| 45 | #define RESUME_DOWNLOAD_OFFSET 1024
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| 46 | #define RESUME_CHECK_OFFSET RESUME_DOWNLOAD_OFFSET+RESUME_CHECK_SIZE
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| 47 | /* Number of bytes to read at once */
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| 48 | #define SMB_DEFAULT_BLOCKSIZE 64000
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| 49 |
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| 50 | static const char *username = NULL, *password = NULL, *workgroup = NULL;
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| 51 | static int nonprompt = 0, quiet = 0, dots = 0, keep_permissions = 0, verbose = 0, send_stdout = 0;
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| 52 | static int blocksize = SMB_DEFAULT_BLOCKSIZE;
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| 53 |
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[745] | 54 | static int smb_download_file(const char *base, const char *name, int recursive,
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| 55 | int resume, int toplevel, char *outfile);
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[599] | 56 |
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| 57 | static int get_num_cols(void)
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| 58 | {
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| 59 | #ifdef TIOCGWINSZ
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| 60 | struct winsize ws;
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| 61 | if(ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) < 0) {
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| 62 | return 0;
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| 63 | }
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| 64 | return ws.ws_col;
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| 65 | #else
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| 66 | #warning No support for TIOCGWINSZ
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| 67 | char *cols = getenv("COLUMNS");
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| 68 | if(!cols) return 0;
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| 69 | return atoi(cols);
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| 70 | #endif
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| 71 | }
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| 72 |
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| 73 | static void change_columns(int sig)
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| 74 | {
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| 75 | columns = get_num_cols();
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| 76 | }
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| 77 |
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| 78 | static void human_readable(off_t s, char *buffer, int l)
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| 79 | {
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[745] | 80 | if (s > 1024 * 1024 * 1024) {
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| 81 | snprintf(buffer, l, "%.2fGB", 1.0 * s / (1024 * 1024 * 1024));
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| 82 | } else if (s > 1024 * 1024) {
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| 83 | snprintf(buffer, l, "%.2fMB", 1.0 * s / (1024 * 1024));
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| 84 | } else if (s > 1024) {
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| 85 | snprintf(buffer, l, "%.2fkB", 1.0 * s / 1024);
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| 86 | } else {
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| 87 | snprintf(buffer, l, OFF_T_FORMAT"b", (OFF_T_FORMAT_CAST)s);
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| 88 | }
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[599] | 89 | }
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| 90 |
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| 91 | static void get_auth_data(const char *srv, const char *shr, char *wg, int wglen, char *un, int unlen, char *pw, int pwlen)
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| 92 | {
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| 93 | static char hasasked = 0;
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| 94 | char *wgtmp, *usertmp;
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| 95 | char tmp[128];
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| 96 |
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| 97 | if(hasasked) return;
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| 98 | hasasked = 1;
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| 99 |
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| 100 | if(!nonprompt && !username) {
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| 101 | printf("Username for %s at %s [guest] ", shr, srv);
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| 102 | if (fgets(tmp, sizeof(tmp), stdin) == NULL) {
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| 103 | return;
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| 104 | }
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| 105 | if ((strlen(tmp) > 0) && (tmp[strlen(tmp)-1] == '\n')) {
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| 106 | tmp[strlen(tmp)-1] = '\0';
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| 107 | }
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| 108 | strncpy(un, tmp, unlen-1);
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| 109 | } else if(username) strncpy(un, username, unlen-1);
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| 110 |
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| 111 | if(!nonprompt && !password) {
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| 112 | char *prompt, *pass;
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| 113 | if (asprintf(&prompt, "Password for %s at %s: ", shr, srv) == -1) {
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| 114 | return;
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| 115 | }
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| 116 | pass = getpass(prompt);
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| 117 | free(prompt);
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| 118 | strncpy(pw, pass, pwlen-1);
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| 119 | } else if(password) strncpy(pw, password, pwlen-1);
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| 120 |
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| 121 | if(workgroup)strncpy(wg, workgroup, wglen-1);
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| 122 |
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| 123 | wgtmp = SMB_STRNDUP(wg, wglen);
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| 124 | usertmp = SMB_STRNDUP(un, unlen);
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| 125 | if(!quiet)printf("Using workgroup %s, %s%s\n", wgtmp, *usertmp?"user ":"guest user", usertmp);
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| 126 | free(wgtmp); free(usertmp);
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| 127 | }
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| 128 |
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| 129 | /* Return 1 on error, 0 on success. */
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| 130 |
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| 131 | static int smb_download_dir(const char *base, const char *name, int resume)
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| 132 | {
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| 133 | char path[SMB_MAXPATHLEN];
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| 134 | int dirhandle;
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| 135 | struct smbc_dirent *dirent;
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| 136 | const char *relname = name;
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| 137 | char *tmpname;
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| 138 | struct stat remotestat;
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| 139 | int ret = 0;
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| 140 |
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| 141 | snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base, (base[0] && name[0] && name[0] != '/' && base[strlen(base)-1] != '/')?"/":"", name);
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| 142 |
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| 143 | /* List files in directory and call smb_download_file on them */
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| 144 | dirhandle = smbc_opendir(path);
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| 145 | if(dirhandle < 1) {
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[745] | 146 | if (errno == ENOTDIR) {
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| 147 | return smb_download_file(base, name, 1, resume,
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| 148 | 0, NULL);
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| 149 | }
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[599] | 150 | fprintf(stderr, "Can't open directory %s: %s\n", path, strerror(errno));
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| 151 | return 1;
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| 152 | }
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| 153 |
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| 154 | while(*relname == '/')relname++;
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| 155 | mkdir(relname, 0755);
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[745] | 156 |
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[599] | 157 | tmpname = SMB_STRDUP(name);
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| 158 |
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| 159 | while((dirent = smbc_readdir(dirhandle))) {
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| 160 | char *newname;
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| 161 | if(!strcmp(dirent->name, ".") || !strcmp(dirent->name, ".."))continue;
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| 162 | if (asprintf(&newname, "%s/%s", tmpname, dirent->name) == -1) {
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| 163 | return 1;
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| 164 | }
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| 165 | switch(dirent->smbc_type) {
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| 166 | case SMBC_DIR:
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| 167 | ret = smb_download_dir(base, newname, resume);
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| 168 | break;
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| 169 |
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| 170 | case SMBC_WORKGROUP:
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| 171 | ret = smb_download_dir("smb://", dirent->name, resume);
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| 172 | break;
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| 173 |
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| 174 | case SMBC_SERVER:
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| 175 | ret = smb_download_dir("smb://", dirent->name, resume);
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| 176 | break;
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| 177 |
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| 178 | case SMBC_FILE:
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[745] | 179 | ret = smb_download_file(base, newname, 1, resume, 0,
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| 180 | NULL);
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[599] | 181 | break;
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| 182 |
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| 183 | case SMBC_FILE_SHARE:
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| 184 | ret = smb_download_dir(base, newname, resume);
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| 185 | break;
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| 186 |
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| 187 | case SMBC_PRINTER_SHARE:
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| 188 | if(!quiet)printf("Ignoring printer share %s\n", dirent->name);
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| 189 | break;
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| 190 |
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| 191 | case SMBC_COMMS_SHARE:
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| 192 | if(!quiet)printf("Ignoring comms share %s\n", dirent->name);
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| 193 | break;
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[745] | 194 |
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[599] | 195 | case SMBC_IPC_SHARE:
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| 196 | if(!quiet)printf("Ignoring ipc$ share %s\n", dirent->name);
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| 197 | break;
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| 198 |
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| 199 | default:
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| 200 | fprintf(stderr, "Ignoring file '%s' of type '%d'\n", newname, dirent->smbc_type);
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| 201 | break;
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| 202 | }
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| 203 | free(newname);
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| 204 | }
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| 205 | free(tmpname);
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| 206 |
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| 207 | if(keep_permissions) {
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| 208 | if(smbc_fstat(dirhandle, &remotestat) < 0) {
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| 209 | fprintf(stderr, "Unable to get stats on %s on remote server\n", path);
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| 210 | smbc_closedir(dirhandle);
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| 211 | return 1;
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| 212 | }
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[745] | 213 |
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[599] | 214 | if(chmod(relname, remotestat.st_mode) < 0) {
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| 215 | fprintf(stderr, "Unable to change mode of local dir %s to %o\n", relname,
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| 216 | (unsigned int)remotestat.st_mode);
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| 217 | smbc_closedir(dirhandle);
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| 218 | return 1;
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| 219 | }
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| 220 | }
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| 221 |
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| 222 | smbc_closedir(dirhandle);
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| 223 | return ret;
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| 224 | }
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| 225 |
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| 226 | static char *print_time(long t)
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| 227 | {
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| 228 | static char buffer[100];
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| 229 | int secs, mins, hours;
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| 230 | if(t < -1) {
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| 231 | strncpy(buffer, "Unknown", sizeof(buffer));
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| 232 | return buffer;
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| 233 | }
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| 234 |
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| 235 | secs = (int)t % 60;
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| 236 | mins = (int)t / 60 % 60;
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| 237 | hours = (int)t / (60 * 60);
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| 238 | snprintf(buffer, sizeof(buffer)-1, "%02d:%02d:%02d", hours, mins, secs);
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| 239 | return buffer;
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| 240 | }
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| 241 |
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| 242 | static void print_progress(const char *name, time_t start, time_t now, off_t start_pos, off_t pos, off_t total)
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| 243 | {
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| 244 | double avg = 0.0;
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| 245 | long eta = -1;
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| 246 | double prcnt = 0.0;
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| 247 | char hpos[20], htotal[20], havg[20];
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| 248 | char *status, *filename;
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| 249 | int len;
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| 250 | if(now - start)avg = 1.0 * (pos - start_pos) / (now - start);
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| 251 | eta = (total - pos) / avg;
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| 252 | if(total)prcnt = 100.0 * pos / total;
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| 253 |
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| 254 | human_readable(pos, hpos, sizeof(hpos));
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| 255 | human_readable(total, htotal, sizeof(htotal));
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| 256 | human_readable(avg, havg, sizeof(havg));
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| 257 |
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| 258 | len = asprintf(&status, "%s of %s (%.2f%%) at %s/s ETA: %s", hpos, htotal, prcnt, havg, print_time(eta));
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| 259 | if (len == -1) {
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| 260 | return;
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| 261 | }
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[745] | 262 |
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[599] | 263 | if(columns) {
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| 264 | int required = strlen(name), available = columns - len - strlen("[] ");
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| 265 | if(required > available) {
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| 266 | if (asprintf(&filename, "...%s", name + required - available + 3) == -1) {
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| 267 | return;
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| 268 | }
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| 269 | } else {
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| 270 | filename = SMB_STRNDUP(name, available);
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| 271 | }
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| 272 | } else filename = SMB_STRDUP(name);
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| 273 |
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| 274 | fprintf(stderr, "\r[%s] %s", filename, status);
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| 275 |
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| 276 | free(filename); free(status);
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| 277 | }
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| 278 |
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| 279 | /* Return 1 on error, 0 on success. */
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| 280 |
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[745] | 281 | static int smb_download_file(const char *base, const char *name, int recursive,
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| 282 | int resume, int toplevel, char *outfile)
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| 283 | {
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[599] | 284 | int remotehandle, localhandle;
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[745] | 285 | time_t start_time = time_mono(NULL);
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[599] | 286 | const char *newpath;
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| 287 | char path[SMB_MAXPATHLEN];
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| 288 | char checkbuf[2][RESUME_CHECK_SIZE];
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| 289 | char *readbuf = NULL;
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| 290 | off_t offset_download = 0, offset_check = 0, curpos = 0, start_offset = 0;
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| 291 | struct stat localstat, remotestat;
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| 292 |
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| 293 | snprintf(path, SMB_MAXPATHLEN-1, "%s%s%s", base, (*base && *name && name[0] != '/' && base[strlen(base)-1] != '/')?"/":"", name);
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[745] | 294 |
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[599] | 295 | remotehandle = smbc_open(path, O_RDONLY, 0755);
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| 296 |
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| 297 | if(remotehandle < 0) {
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| 298 | switch(errno) {
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| 299 | case EISDIR:
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| 300 | if(!recursive) {
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| 301 | fprintf(stderr, "%s is a directory. Specify -R to download recursively\n", path);
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| 302 | return 1;
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| 303 | }
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| 304 | return smb_download_dir(base, name, resume);
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| 305 |
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| 306 | case ENOENT:
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| 307 | fprintf(stderr, "%s can't be found on the remote server\n", path);
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| 308 | return 1;
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| 309 |
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| 310 | case ENOMEM:
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| 311 | fprintf(stderr, "Not enough memory\n");
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| 312 | return 1;
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| 313 |
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| 314 | case ENODEV:
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| 315 | fprintf(stderr, "The share name used in %s does not exist\n", path);
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| 316 | return 1;
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| 317 |
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| 318 | case EACCES:
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| 319 | fprintf(stderr, "You don't have enough permissions to access %s\n", path);
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| 320 | return 1;
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| 321 |
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| 322 | default:
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| 323 | perror("smbc_open");
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| 324 | return 1;
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| 325 | }
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| 326 | }
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| 327 |
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| 328 | if(smbc_fstat(remotehandle, &remotestat) < 0) {
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| 329 | fprintf(stderr, "Can't stat %s: %s\n", path, strerror(errno));
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| 330 | return 1;
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| 331 | }
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| 332 |
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| 333 | if(outfile) newpath = outfile;
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| 334 | else if(!name[0]) {
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| 335 | newpath = strrchr(base, '/');
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| 336 | if(newpath)newpath++; else newpath = base;
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| 337 | } else newpath = name;
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| 338 |
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[745] | 339 | if (!toplevel && (newpath[0] == '/')) {
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| 340 | newpath++;
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| 341 | }
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| 342 |
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[599] | 343 | /* Open local file according to the mode */
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| 344 | if(update) {
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| 345 | /* if it is up-to-date, skip */
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| 346 | if(stat(newpath, &localstat) == 0 &&
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| 347 | localstat.st_mtime >= remotestat.st_mtime) {
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| 348 | if(verbose)
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| 349 | printf("%s is up-to-date, skipping\n", newpath);
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| 350 | smbc_close(remotehandle);
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| 351 | return 0;
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| 352 | }
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| 353 | /* else open it for writing and truncate if it exists */
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| 354 | localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | O_TRUNC, 0775);
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| 355 | if(localhandle < 0) {
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| 356 | fprintf(stderr, "Can't open %s : %s\n", newpath,
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| 357 | strerror(errno));
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| 358 | smbc_close(remotehandle);
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| 359 | return 1;
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| 360 | }
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| 361 | /* no offset */
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| 362 | } else if(!send_stdout) {
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| 363 | localhandle = open(newpath, O_CREAT | O_NONBLOCK | O_RDWR | (!resume?O_EXCL:0), 0755);
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| 364 | if(localhandle < 0) {
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| 365 | fprintf(stderr, "Can't open %s: %s\n", newpath, strerror(errno));
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| 366 | smbc_close(remotehandle);
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| 367 | return 1;
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| 368 | }
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[745] | 369 |
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[599] | 370 | if (fstat(localhandle, &localstat) != 0) {
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| 371 | fprintf(stderr, "Can't fstat %s: %s\n", newpath, strerror(errno));
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| 372 | smbc_close(remotehandle);
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| 373 | close(localhandle);
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| 374 | return 1;
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| 375 | }
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| 376 |
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| 377 | start_offset = localstat.st_size;
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| 378 |
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| 379 | if(localstat.st_size && localstat.st_size == remotestat.st_size) {
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| 380 | if(verbose)fprintf(stderr, "%s is already downloaded completely.\n", path);
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| 381 | else if(!quiet)fprintf(stderr, "%s\n", path);
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| 382 | smbc_close(remotehandle);
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| 383 | close(localhandle);
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| 384 | return 0;
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| 385 | }
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| 386 |
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| 387 | if(localstat.st_size > RESUME_CHECK_OFFSET && remotestat.st_size > RESUME_CHECK_OFFSET) {
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| 388 | offset_download = localstat.st_size - RESUME_DOWNLOAD_OFFSET;
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| 389 | offset_check = localstat.st_size - RESUME_CHECK_OFFSET;
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| 390 | if(verbose)printf("Trying to start resume of %s at "OFF_T_FORMAT"\n"
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| 391 | "At the moment "OFF_T_FORMAT" of "OFF_T_FORMAT" bytes have been retrieved\n",
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| 392 | newpath, (OFF_T_FORMAT_CAST)offset_check,
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| 393 | (OFF_T_FORMAT_CAST)localstat.st_size,
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| 394 | (OFF_T_FORMAT_CAST)remotestat.st_size);
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| 395 | }
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| 396 |
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| 397 | if(offset_check) {
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| 398 | off_t off1, off2;
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| 399 | /* First, check all bytes from offset_check to offset_download */
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| 400 | off1 = lseek(localhandle, offset_check, SEEK_SET);
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| 401 | if(off1 < 0) {
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| 402 | fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in local file %s\n",
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| 403 | (OFF_T_FORMAT_CAST)offset_check, newpath);
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| 404 | smbc_close(remotehandle); close(localhandle);
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| 405 | return 1;
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| 406 | }
|
---|
| 407 |
|
---|
| 408 | off2 = smbc_lseek(remotehandle, offset_check, SEEK_SET);
|
---|
| 409 | if(off2 < 0) {
|
---|
| 410 | fprintf(stderr, "Can't seek to "OFF_T_FORMAT" in remote file %s\n",
|
---|
| 411 | (OFF_T_FORMAT_CAST)offset_check, newpath);
|
---|
| 412 | smbc_close(remotehandle); close(localhandle);
|
---|
| 413 | return 1;
|
---|
| 414 | }
|
---|
| 415 |
|
---|
| 416 | if(off1 != off2) {
|
---|
| 417 | fprintf(stderr, "Offset in local and remote files is different (local: "OFF_T_FORMAT", remote: "OFF_T_FORMAT")\n",
|
---|
| 418 | (OFF_T_FORMAT_CAST)off1,
|
---|
| 419 | (OFF_T_FORMAT_CAST)off2);
|
---|
[745] | 420 | smbc_close(remotehandle); close(localhandle);
|
---|
[599] | 421 | return 1;
|
---|
| 422 | }
|
---|
| 423 |
|
---|
| 424 | if(smbc_read(remotehandle, checkbuf[0], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
|
---|
| 425 | fprintf(stderr, "Can't read %d bytes from remote file %s\n", RESUME_CHECK_SIZE, path);
|
---|
| 426 | smbc_close(remotehandle); close(localhandle);
|
---|
| 427 | return 1;
|
---|
| 428 | }
|
---|
| 429 |
|
---|
| 430 | if(read(localhandle, checkbuf[1], RESUME_CHECK_SIZE) != RESUME_CHECK_SIZE) {
|
---|
| 431 | fprintf(stderr, "Can't read %d bytes from local file %s\n", RESUME_CHECK_SIZE, name);
|
---|
| 432 | smbc_close(remotehandle); close(localhandle);
|
---|
| 433 | return 1;
|
---|
| 434 | }
|
---|
| 435 |
|
---|
| 436 | if(memcmp(checkbuf[0], checkbuf[1], RESUME_CHECK_SIZE) == 0) {
|
---|
| 437 | if(verbose)printf("Current local and remote file appear to be the same. Starting download from offset "OFF_T_FORMAT"\n", (OFF_T_FORMAT_CAST)offset_download);
|
---|
| 438 | } else {
|
---|
| 439 | fprintf(stderr, "Local and remote file appear to be different, not doing resume for %s\n", path);
|
---|
| 440 | smbc_close(remotehandle); close(localhandle);
|
---|
| 441 | return 1;
|
---|
| 442 | }
|
---|
| 443 | }
|
---|
| 444 | } else {
|
---|
| 445 | localhandle = STDOUT_FILENO;
|
---|
| 446 | start_offset = 0;
|
---|
| 447 | offset_download = 0;
|
---|
| 448 | offset_check = 0;
|
---|
| 449 | }
|
---|
| 450 |
|
---|
| 451 | readbuf = (char *)SMB_MALLOC(blocksize);
|
---|
[745] | 452 | if (!readbuf) {
|
---|
| 453 | return 1;
|
---|
| 454 | }
|
---|
[599] | 455 |
|
---|
| 456 | /* Now, download all bytes from offset_download to the end */
|
---|
| 457 | for(curpos = offset_download; curpos < remotestat.st_size; curpos+=blocksize) {
|
---|
| 458 | ssize_t bytesread = smbc_read(remotehandle, readbuf, blocksize);
|
---|
| 459 | if(bytesread < 0) {
|
---|
| 460 | fprintf(stderr, "Can't read %u bytes at offset "OFF_T_FORMAT", file %s\n", (unsigned int)blocksize, (OFF_T_FORMAT_CAST)curpos, path);
|
---|
| 461 | smbc_close(remotehandle);
|
---|
| 462 | if (localhandle != STDOUT_FILENO) close(localhandle);
|
---|
| 463 | free(readbuf);
|
---|
| 464 | return 1;
|
---|
| 465 | }
|
---|
| 466 |
|
---|
| 467 | total_bytes += bytesread;
|
---|
| 468 |
|
---|
| 469 | if(write(localhandle, readbuf, bytesread) < 0) {
|
---|
| 470 | fprintf(stderr, "Can't write %u bytes to local file %s at offset "OFF_T_FORMAT"\n", (unsigned int)bytesread, path, (OFF_T_FORMAT_CAST)curpos);
|
---|
| 471 | free(readbuf);
|
---|
| 472 | smbc_close(remotehandle);
|
---|
| 473 | if (localhandle != STDOUT_FILENO) close(localhandle);
|
---|
| 474 | return 1;
|
---|
| 475 | }
|
---|
| 476 |
|
---|
| 477 | if(dots)fputc('.', stderr);
|
---|
| 478 | else if(!quiet) {
|
---|
[745] | 479 | print_progress(newpath, start_time, time_mono(NULL),
|
---|
| 480 | start_offset, curpos, remotestat.st_size);
|
---|
[599] | 481 | }
|
---|
| 482 | }
|
---|
| 483 |
|
---|
| 484 | free(readbuf);
|
---|
| 485 |
|
---|
| 486 | if(dots){
|
---|
| 487 | fputc('\n', stderr);
|
---|
| 488 | printf("%s downloaded\n", path);
|
---|
| 489 | } else if(!quiet) {
|
---|
| 490 | int i;
|
---|
| 491 | fprintf(stderr, "\r%s", path);
|
---|
| 492 | if(columns) {
|
---|
| 493 | for(i = strlen(path); i < columns; i++) {
|
---|
| 494 | fputc(' ', stderr);
|
---|
| 495 | }
|
---|
| 496 | }
|
---|
| 497 | fputc('\n', stderr);
|
---|
| 498 | }
|
---|
| 499 |
|
---|
| 500 | if(keep_permissions && !send_stdout) {
|
---|
| 501 | if(fchmod(localhandle, remotestat.st_mode) < 0) {
|
---|
| 502 | fprintf(stderr, "Unable to change mode of local file %s to %o\n", path,
|
---|
| 503 | (unsigned int)remotestat.st_mode);
|
---|
| 504 | smbc_close(remotehandle);
|
---|
| 505 | close(localhandle);
|
---|
| 506 | return 1;
|
---|
| 507 | }
|
---|
| 508 | }
|
---|
| 509 |
|
---|
| 510 | smbc_close(remotehandle);
|
---|
| 511 | if (localhandle != STDOUT_FILENO) close(localhandle);
|
---|
| 512 | return 0;
|
---|
| 513 | }
|
---|
| 514 |
|
---|
| 515 | static void clean_exit(void)
|
---|
| 516 | {
|
---|
| 517 | char bs[100];
|
---|
| 518 | human_readable(total_bytes, bs, sizeof(bs));
|
---|
| 519 | if(!quiet)fprintf(stderr, "Downloaded %s in %lu seconds\n", bs,
|
---|
[745] | 520 | (unsigned long)(time_mono(NULL) - total_start_time));
|
---|
[599] | 521 | exit(0);
|
---|
| 522 | }
|
---|
| 523 |
|
---|
| 524 | static void signal_quit(int v)
|
---|
| 525 | {
|
---|
| 526 | clean_exit();
|
---|
| 527 | }
|
---|
| 528 |
|
---|
| 529 | static int readrcfile(const char *name, const struct poptOption long_options[])
|
---|
| 530 | {
|
---|
| 531 | FILE *fd = fopen(name, "r");
|
---|
| 532 | int lineno = 0, i;
|
---|
| 533 | char var[101], val[101];
|
---|
| 534 | char found;
|
---|
| 535 | int *intdata; char **stringdata;
|
---|
| 536 | if(!fd) {
|
---|
| 537 | fprintf(stderr, "Can't open RC file %s\n", name);
|
---|
| 538 | return 1;
|
---|
| 539 | }
|
---|
| 540 |
|
---|
| 541 | while(!feof(fd)) {
|
---|
| 542 | lineno++;
|
---|
| 543 | if(fscanf(fd, "%100s %100s\n", var, val) < 2) {
|
---|
| 544 | fprintf(stderr, "Can't parse line %d of %s, ignoring.\n", lineno, name);
|
---|
| 545 | continue;
|
---|
| 546 | }
|
---|
| 547 |
|
---|
| 548 | found = 0;
|
---|
| 549 |
|
---|
| 550 | for(i = 0; long_options[i].shortName; i++) {
|
---|
| 551 | if(!long_options[i].longName)continue;
|
---|
| 552 | if(strcmp(long_options[i].longName, var)) continue;
|
---|
| 553 | if(!long_options[i].arg)continue;
|
---|
| 554 |
|
---|
| 555 | switch(long_options[i].argInfo) {
|
---|
| 556 | case POPT_ARG_NONE:
|
---|
| 557 | intdata = (int *)long_options[i].arg;
|
---|
| 558 | if(!strcmp(val, "on")) *intdata = 1;
|
---|
| 559 | else if(!strcmp(val, "off")) *intdata = 0;
|
---|
| 560 | else fprintf(stderr, "Illegal value %s for %s at line %d in %s\n", val, var, lineno, name);
|
---|
| 561 | break;
|
---|
| 562 | case POPT_ARG_INT:
|
---|
| 563 | intdata = (int *)long_options[i].arg;
|
---|
| 564 | *intdata = atoi(val);
|
---|
| 565 | break;
|
---|
| 566 | case POPT_ARG_STRING:
|
---|
| 567 | stringdata = (char **)long_options[i].arg;
|
---|
| 568 | *stringdata = SMB_STRDUP(val);
|
---|
| 569 | break;
|
---|
| 570 | default:
|
---|
| 571 | fprintf(stderr, "Invalid variable %s at line %d in %s\n", var, lineno, name);
|
---|
| 572 | break;
|
---|
| 573 | }
|
---|
| 574 |
|
---|
| 575 | found = 1;
|
---|
| 576 | }
|
---|
| 577 | if(!found) {
|
---|
| 578 | fprintf(stderr, "Invalid variable %s at line %d in %s\n", var, lineno, name);
|
---|
| 579 | }
|
---|
| 580 | }
|
---|
| 581 |
|
---|
| 582 | fclose(fd);
|
---|
| 583 | return 0;
|
---|
| 584 | }
|
---|
| 585 |
|
---|
| 586 | int main(int argc, const char **argv)
|
---|
| 587 | {
|
---|
| 588 | int c = 0;
|
---|
| 589 | const char *file = NULL;
|
---|
| 590 | char *rcfile = NULL;
|
---|
| 591 | bool smb_encrypt = false;
|
---|
| 592 | int resume = 0, recursive = 0;
|
---|
| 593 | TALLOC_CTX *frame = talloc_stackframe();
|
---|
| 594 | int ret = 0;
|
---|
| 595 | struct poptOption long_options[] = {
|
---|
| 596 | {"guest", 'a', POPT_ARG_NONE, NULL, 'a', "Work as user guest" },
|
---|
| 597 | {"encrypt", 'e', POPT_ARG_NONE, NULL, 'e', "Encrypt SMB transport (UNIX extended servers only)" },
|
---|
| 598 | {"resume", 'r', POPT_ARG_NONE, &resume, 0, "Automatically resume aborted files" },
|
---|
| 599 | {"update", 'U', POPT_ARG_NONE, &update, 0, "Download only when remote file is newer than local file or local file is missing"},
|
---|
| 600 | {"recursive", 'R', POPT_ARG_NONE, &recursive, 0, "Recursively download files" },
|
---|
| 601 | {"username", 'u', POPT_ARG_STRING, &username, 'u', "Username to use" },
|
---|
| 602 | {"password", 'p', POPT_ARG_STRING, &password, 'p', "Password to use" },
|
---|
| 603 | {"workgroup", 'w', POPT_ARG_STRING, &workgroup, 'w', "Workgroup to use (optional)" },
|
---|
| 604 | {"nonprompt", 'n', POPT_ARG_NONE, &nonprompt, 'n', "Don't ask anything (non-interactive)" },
|
---|
| 605 | {"debuglevel", 'd', POPT_ARG_INT, &debuglevel, 'd', "Debuglevel to use" },
|
---|
| 606 | {"outputfile", 'o', POPT_ARG_STRING, &outputfile, 'o', "Write downloaded data to specified file" },
|
---|
| 607 | {"stdout", 'O', POPT_ARG_NONE, &send_stdout, 'O', "Write data to stdout" },
|
---|
| 608 | {"dots", 'D', POPT_ARG_NONE, &dots, 'D', "Show dots as progress indication" },
|
---|
| 609 | {"quiet", 'q', POPT_ARG_NONE, &quiet, 'q', "Be quiet" },
|
---|
| 610 | {"verbose", 'v', POPT_ARG_NONE, &verbose, 'v', "Be verbose" },
|
---|
| 611 | {"keep-permissions", 'P', POPT_ARG_NONE, &keep_permissions, 'P', "Keep permissions" },
|
---|
| 612 | {"blocksize", 'b', POPT_ARG_INT, &blocksize, 'b', "Change number of bytes in a block"},
|
---|
| 613 | {"rcfile", 'f', POPT_ARG_STRING, NULL, 'f', "Use specified rc file"},
|
---|
| 614 | POPT_AUTOHELP
|
---|
| 615 | POPT_TABLEEND
|
---|
| 616 | };
|
---|
| 617 | poptContext pc;
|
---|
| 618 |
|
---|
| 619 | load_case_tables();
|
---|
| 620 |
|
---|
| 621 | /* only read rcfile if it exists */
|
---|
| 622 | if (asprintf(&rcfile, "%s/.smbgetrc", getenv("HOME")) == -1) {
|
---|
| 623 | return 1;
|
---|
| 624 | }
|
---|
| 625 | if(access(rcfile, F_OK) == 0)
|
---|
| 626 | readrcfile(rcfile, long_options);
|
---|
| 627 | free(rcfile);
|
---|
| 628 |
|
---|
| 629 | #ifdef SIGWINCH
|
---|
| 630 | signal(SIGWINCH, change_columns);
|
---|
| 631 | #endif
|
---|
| 632 | signal(SIGINT, signal_quit);
|
---|
| 633 | signal(SIGTERM, signal_quit);
|
---|
| 634 |
|
---|
| 635 | pc = poptGetContext(argv[0], argc, argv, long_options, 0);
|
---|
| 636 |
|
---|
| 637 | while((c = poptGetNextOpt(pc)) >= 0) {
|
---|
| 638 | switch(c) {
|
---|
| 639 | case 'f':
|
---|
| 640 | readrcfile(poptGetOptArg(pc), long_options);
|
---|
| 641 | break;
|
---|
| 642 | case 'a':
|
---|
| 643 | username = ""; password = "";
|
---|
| 644 | break;
|
---|
| 645 | case 'e':
|
---|
| 646 | smb_encrypt = true;
|
---|
| 647 | break;
|
---|
| 648 | }
|
---|
| 649 | }
|
---|
| 650 |
|
---|
| 651 | if((send_stdout || resume || outputfile) && update) {
|
---|
| 652 | fprintf(stderr, "The -o, -R or -O and -U options can not be used together.\n");
|
---|
| 653 | return 1;
|
---|
| 654 | }
|
---|
| 655 | if((send_stdout || outputfile) && recursive) {
|
---|
| 656 | fprintf(stderr, "The -o or -O and -R options can not be used together.\n");
|
---|
| 657 | return 1;
|
---|
| 658 | }
|
---|
| 659 |
|
---|
| 660 | if(outputfile && send_stdout) {
|
---|
| 661 | fprintf(stderr, "The -o and -O options cannot be used together.\n");
|
---|
| 662 | return 1;
|
---|
| 663 | }
|
---|
| 664 |
|
---|
| 665 | if(smbc_init(get_auth_data, debuglevel) < 0) {
|
---|
| 666 | fprintf(stderr, "Unable to initialize libsmbclient\n");
|
---|
| 667 | return 1;
|
---|
| 668 | }
|
---|
| 669 |
|
---|
| 670 | if (smb_encrypt) {
|
---|
| 671 | SMBCCTX *smb_ctx = smbc_set_context(NULL);
|
---|
| 672 | smbc_option_set(smb_ctx,
|
---|
| 673 | CONST_DISCARD(char *, "smb_encrypt_level"),
|
---|
| 674 | "require");
|
---|
| 675 | }
|
---|
[745] | 676 |
|
---|
[599] | 677 | columns = get_num_cols();
|
---|
| 678 |
|
---|
[745] | 679 | total_start_time = time_mono(NULL);
|
---|
[599] | 680 |
|
---|
| 681 | while ( (file = poptGetArg(pc)) ) {
|
---|
| 682 | if (!recursive)
|
---|
[745] | 683 | ret = smb_download_file(file, "", recursive, resume,
|
---|
| 684 | 1, outputfile);
|
---|
[599] | 685 | else
|
---|
| 686 | ret = smb_download_dir(file, "", resume);
|
---|
| 687 | }
|
---|
| 688 |
|
---|
| 689 | TALLOC_FREE(frame);
|
---|
| 690 | if ( ret == 0){
|
---|
| 691 | clean_exit();
|
---|
| 692 | }
|
---|
| 693 | return ret;
|
---|
| 694 | }
|
---|