2 Samba Unix/Linux SMB client library
3 Distributed SMB/CIFS Server Management Utility
5 Copyright (C) Jeremy Allison (jra@samba.org) 2005
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "utils/net.h"
25 const char *us_errstr;
26 enum usershare_err us_err;
29 {"Malformed usershare file", USERSHARE_MALFORMED_FILE},
30 {"Bad version number", USERSHARE_BAD_VERSION},
31 {"Malformed path entry", USERSHARE_MALFORMED_PATH},
32 {"Malformed comment entryfile", USERSHARE_MALFORMED_COMMENT_DEF},
33 {"Malformed acl definition", USERSHARE_MALFORMED_ACL_DEF},
34 {"Acl parse error", USERSHARE_ACL_ERR},
35 {"Path not absolute", USERSHARE_PATH_NOT_ABSOLUTE},
36 {"Path is denied", USERSHARE_PATH_IS_DENIED},
37 {"Path not allowed", USERSHARE_PATH_NOT_ALLOWED},
38 {"Path is not a directory", USERSHARE_PATH_NOT_DIRECTORY},
39 {"System error", USERSHARE_POSIX_ERR},
40 {NULL,(enum usershare_err)-1}
43 static const char *get_us_error_code(enum usershare_err us_err)
48 while (us_errs[idx].us_errstr != NULL) {
49 if (us_errs[idx].us_err == us_err) {
50 return us_errs[idx].us_errstr;
55 result = talloc_asprintf(talloc_tos(), "Usershare error code (0x%x)",
56 (unsigned int)us_err);
57 SMB_ASSERT(result != NULL);
61 /* The help subsystem for the USERSHARE subcommand */
63 static int net_usershare_add_usage(struct net_context *c, int argc, const char **argv)
65 char chr = *lp_winbind_separator();
67 "net usershare add [-l|--long] <sharename> <path> [<comment>] [<acl>] [<guest_ok=[y|n]>]\n"
68 "\tAdds the specified share name for this user.\n"
69 "\t<sharename> is the new share name.\n"
70 "\t<path> is the path on the filesystem to export.\n"
71 "\t<comment> is the optional comment for the new share.\n"
72 "\t<acl> is an optional share acl in the format \"DOMAIN%cname:X,DOMAIN%cname:X,....\"\n"
73 "\t<guest_ok=y> if present sets \"guest ok = yes\" on this usershare.\n"
74 "\t\t\"X\" represents a permission and can be any one of the characters f, r or d\n"
75 "\t\twhere \"f\" means full control, \"r\" means read-only, \"d\" means deny access.\n"
76 "\t\tname may be a domain user or group. For local users use the local server name "
77 "instead of \"DOMAIN\"\n"
78 "\t\tThe default acl is \"Everyone:r\" which allows everyone read-only access.\n"
79 "\tAdd -l or --long to print the info on the newly added share.\n",
84 static int net_usershare_delete_usage(struct net_context *c, int argc, const char **argv)
87 "net usershare delete <sharename>\n"
88 "\tdeletes the specified share name for this user.\n");
92 static int net_usershare_info_usage(struct net_context *c, int argc, const char **argv)
95 "net usershare info [-l|--long] [wildcard sharename]\n"
96 "\tPrints out the path, comment and acl elements of shares that match the wildcard.\n"
97 "\tBy default only gives info on shares owned by the current user\n"
98 "\tAdd -l or --long to apply this to all shares\n"
99 "\tOmit the sharename or use a wildcard of '*' to see all shares\n");
103 static int net_usershare_list_usage(struct net_context *c, int argc, const char **argv)
106 "net usershare list [-l|--long] [wildcard sharename]\n"
107 "\tLists the names of all shares that match the wildcard.\n"
108 "\tBy default only lists shares owned by the current user\n"
109 "\tAdd -l or --long to apply this to all shares\n"
110 "\tOmit the sharename or use a wildcard of '*' to see all shares\n");
114 int net_usershare_usage(struct net_context *c, int argc, const char **argv)
116 d_printf("net usershare add <sharename> <path> [<comment>] [<acl>] [<guest_ok=[y|n]>] to "
117 "add or change a user defined share.\n"
118 "net usershare delete <sharename> to delete a user defined share.\n"
119 "net usershare info [-l|--long] [wildcard sharename] to print info about a user defined share.\n"
120 "net usershare list [-l|--long] [wildcard sharename] to list user defined shares.\n"
121 "net usershare help\n"
122 "\nType \"net usershare help <option>\" to get more information on that option\n\n");
124 net_common_flags_usage(c, argc, argv);
128 /***************************************************************************
129 ***************************************************************************/
131 static char *get_basepath(TALLOC_CTX *ctx)
133 char *basepath = talloc_strdup(ctx, lp_usershare_path());
138 if ((basepath[0] != '\0') && (basepath[strlen(basepath)-1] == '/')) {
139 basepath[strlen(basepath)-1] = '\0';
144 /***************************************************************************
145 Delete a single userlevel share.
146 ***************************************************************************/
148 static int net_usershare_delete(struct net_context *c, int argc, const char **argv)
153 if (argc != 1 || c->display_usage) {
154 return net_usershare_delete_usage(c, argc, argv);
157 if ((sharename = strlower_talloc(talloc_tos(), argv[0])) == NULL) {
158 d_fprintf(stderr, "strlower_talloc failed\n");
162 if (!validate_net_name(sharename, INVALID_SHARENAME_CHARS, strlen(sharename))) {
163 d_fprintf(stderr, "net usershare delete: share name %s contains "
164 "invalid characters (any of %s)\n",
165 sharename, INVALID_SHARENAME_CHARS);
166 SAFE_FREE(sharename);
170 us_path = talloc_asprintf(talloc_tos(),
175 SAFE_FREE(sharename);
179 if (unlink(us_path) != 0) {
180 d_fprintf(stderr, "net usershare delete: unable to remove usershare %s. "
182 us_path, strerror(errno));
183 SAFE_FREE(sharename);
186 SAFE_FREE(sharename);
190 /***************************************************************************
191 Data structures to handle a list of usershare files.
192 ***************************************************************************/
195 struct file_list *next, *prev;
196 const char *pathname;
199 static struct file_list *flist;
201 /***************************************************************************
202 ***************************************************************************/
204 static int get_share_list(TALLOC_CTX *ctx, const char *wcard, bool only_ours)
207 SMB_STRUCT_DIRENT *de;
208 uid_t myuid = geteuid();
209 struct file_list *fl = NULL;
210 char *basepath = get_basepath(ctx);
215 dp = sys_opendir(basepath);
217 d_fprintf(stderr, "get_share_list: cannot open usershare directory %s. Error %s\n",
218 basepath, strerror(errno) );
222 while((de = sys_readdir(dp)) != 0) {
223 SMB_STRUCT_STAT sbuf;
225 const char *n = de->d_name;
227 /* Ignore . and .. */
229 if ((n[1] == '\0') || (n[1] == '.' && n[2] == '\0')) {
234 if (!validate_net_name(n, INVALID_SHARENAME_CHARS, strlen(n))) {
235 d_fprintf(stderr, "get_share_list: ignoring bad share name %s\n",n);
238 path = talloc_asprintf(ctx,
247 if (sys_lstat(path, &sbuf) != 0) {
248 d_fprintf(stderr, "get_share_list: can't lstat file %s. Error was %s\n",
249 path, strerror(errno) );
253 if (!S_ISREG(sbuf.st_mode)) {
254 d_fprintf(stderr, "get_share_list: file %s is not a regular file. Ignoring.\n",
259 if (only_ours && sbuf.st_uid != myuid) {
263 if (!unix_wild_match(wcard, n)) {
267 /* (Finally) - add to list. */
268 fl = TALLOC_P(ctx, struct file_list);
273 fl->pathname = talloc_strdup(ctx, n);
279 DLIST_ADD(flist, fl);
286 enum us_priv_op { US_LIST_OP, US_INFO_OP};
288 struct us_priv_info {
291 struct net_context *c;
294 /***************************************************************************
295 Call a function for every share on the list.
296 ***************************************************************************/
298 static int process_share_list(int (*fn)(struct file_list *, void *), void *priv)
300 struct file_list *fl;
303 for (fl = flist; fl; fl = fl->next) {
304 ret = (*fn)(fl, priv);
310 /***************************************************************************
312 ***************************************************************************/
314 static int info_fn(struct file_list *fl, void *priv)
316 SMB_STRUCT_STAT sbuf;
318 struct us_priv_info *pi = (struct us_priv_info *)priv;
319 TALLOC_CTX *ctx = pi->ctx;
320 struct net_context *c = pi->c;
323 SEC_DESC *psd = NULL;
325 char *sharepath = NULL;
326 char *comment = NULL;
330 enum usershare_err us_err;
331 bool guest_ok = false;
333 sep_str[0] = *lp_winbind_separator();
336 basepath = get_basepath(ctx);
340 basepath = talloc_asprintf_append(basepath,
348 fd = sys_open(basepath, O_RDONLY|O_NOFOLLOW, 0);
350 fd = sys_open(basepath, O_RDONLY, 0);
354 d_fprintf(stderr, "info_fn: unable to open %s. %s\n",
355 basepath, strerror(errno) );
360 if (sys_fstat(fd, &sbuf) != 0) {
361 d_fprintf(stderr, "info_fn: can't fstat file %s. Error was %s\n",
362 basepath, strerror(errno) );
367 if (!S_ISREG(sbuf.st_mode)) {
368 d_fprintf(stderr, "info_fn: file %s is not a regular file. Ignoring.\n",
374 lines = fd_lines_load(fd, &numlines, 10240, NULL);
381 /* Ensure it's well formed. */
382 us_err = parse_usershare_file(ctx, &sbuf, fl->pathname, -1, lines, numlines,
390 if (us_err != USERSHARE_OK) {
391 d_fprintf(stderr, "info_fn: file %s is not a well formed usershare file.\n",
393 d_fprintf(stderr, "info_fn: Error was %s.\n",
394 get_us_error_code(us_err) );
398 acl_str = talloc_strdup(ctx, "usershare_acl=");
403 for (num_aces = 0; num_aces < psd->dacl->num_aces; num_aces++) {
408 ntstatus = net_lookup_name_from_sid(c, ctx,
409 &psd->dacl->aces[num_aces].trustee,
412 if (NT_STATUS_IS_OK(ntstatus)) {
413 if (domain && *domain) {
414 acl_str = talloc_asprintf_append(acl_str,
422 acl_str = talloc_asprintf_append(acl_str,
431 sid_to_fstring(sidstr,
432 &psd->dacl->aces[num_aces].trustee);
433 acl_str = talloc_asprintf_append(acl_str,
440 acl_str = talloc_asprintf_append(acl_str, ":");
445 if (psd->dacl->aces[num_aces].type == SEC_ACE_TYPE_ACCESS_DENIED) {
446 acl_str = talloc_asprintf_append(acl_str, "D,");
451 if (psd->dacl->aces[num_aces].access_mask & GENERIC_ALL_ACCESS) {
452 acl_str = talloc_asprintf_append(acl_str, "F,");
454 acl_str = talloc_asprintf_append(acl_str, "R,");
462 if (pi->op == US_INFO_OP) {
463 d_printf("[%s]\n", fl->pathname );
464 d_printf("path=%s\n", sharepath );
465 d_printf("comment=%s\n", comment);
466 d_printf("%s\n", acl_str);
467 d_printf("guest_ok=%c\n\n", guest_ok ? 'y' : 'n');
468 } else if (pi->op == US_LIST_OP) {
469 d_printf("%s\n", fl->pathname);
475 /***************************************************************************
476 Print out info (internal detail) on userlevel shares.
477 ***************************************************************************/
479 static int net_usershare_info(struct net_context *c, int argc, const char **argv)
482 bool only_ours = true;
484 struct us_priv_info pi;
489 if (c->display_usage)
490 return net_usershare_info_usage(c, argc, argv);
492 if (c->opt_long_list_entries) {
500 fstrcpy(wcard, argv[0]);
503 return net_usershare_info_usage(c, argc, argv);
508 ctx = talloc_init("share_info");
509 ret = get_share_list(ctx, wcard, only_ours);
518 ret = process_share_list(info_fn, &pi);
523 /***************************************************************************
524 Count the current total number of usershares.
525 ***************************************************************************/
527 static int count_num_usershares(void)
530 SMB_STRUCT_DIRENT *de;
531 int num_usershares = 0;
532 TALLOC_CTX *ctx = talloc_tos();
533 char *basepath = get_basepath(ctx);
539 dp = sys_opendir(basepath);
541 d_fprintf(stderr, "count_num_usershares: cannot open usershare directory %s. Error %s\n",
542 basepath, strerror(errno) );
546 while((de = sys_readdir(dp)) != 0) {
547 SMB_STRUCT_STAT sbuf;
549 const char *n = de->d_name;
551 /* Ignore . and .. */
553 if ((n[1] == '\0') || (n[1] == '.' && n[2] == '\0')) {
558 if (!validate_net_name(n, INVALID_SHARENAME_CHARS, strlen(n))) {
559 d_fprintf(stderr, "count_num_usershares: ignoring bad share name %s\n",n);
562 path = talloc_asprintf(ctx,
571 if (sys_lstat(path, &sbuf) != 0) {
572 d_fprintf(stderr, "count_num_usershares: can't lstat file %s. Error was %s\n",
573 path, strerror(errno) );
577 if (!S_ISREG(sbuf.st_mode)) {
578 d_fprintf(stderr, "count_num_usershares: file %s is not a regular file. Ignoring.\n",
586 return num_usershares;
589 /***************************************************************************
590 Add a single userlevel share.
591 ***************************************************************************/
593 static int net_usershare_add(struct net_context *c, int argc, const char **argv)
595 TALLOC_CTX *ctx = talloc_stackframe();
596 SMB_STRUCT_STAT sbuf;
597 SMB_STRUCT_STAT lsbuf;
602 const char *us_comment;
611 uid_t myeuid = geteuid();
612 bool guest_ok = false;
616 arg_acl = "S-1-1-0:R";
618 if (c->display_usage)
619 return net_usershare_add_usage(c, argc, argv);
625 return net_usershare_add_usage(c, argc, argv);
627 sharename = strlower_talloc(ctx, argv[0]);
631 sharename = strlower_talloc(ctx, argv[0]);
633 us_comment = argv[2];
636 sharename = strlower_talloc(ctx, argv[0]);
638 us_comment = argv[2];
642 sharename = strlower_talloc(ctx, argv[0]);
644 us_comment = argv[2];
646 if (strlen(arg_acl) == 0) {
647 arg_acl = "S-1-1-0:R";
649 if (!strnequal(argv[4], "guest_ok=", 9)) {
651 return net_usershare_add_usage(c, argc, argv);
653 switch (argv[4][9]) {
664 return net_usershare_add_usage(c, argc, argv);
669 /* Ensure we're under the "usershare max shares" number. Advisory only. */
670 num_usershares = count_num_usershares();
671 if (num_usershares >= lp_usershare_max_shares()) {
672 d_fprintf(stderr, "net usershare add: maximum number of allowed usershares (%d) reached\n",
673 lp_usershare_max_shares() );
675 SAFE_FREE(sharename);
679 if (!validate_net_name(sharename, INVALID_SHARENAME_CHARS, strlen(sharename))) {
680 d_fprintf(stderr, "net usershare add: share name %s contains "
681 "invalid characters (any of %s)\n",
682 sharename, INVALID_SHARENAME_CHARS);
684 SAFE_FREE(sharename);
688 /* Disallow shares the same as users. */
689 if (getpwnam(sharename)) {
690 d_fprintf(stderr, "net usershare add: share name %s is already a valid system user name\n",
693 SAFE_FREE(sharename);
697 /* Construct the full path for the usershare file. */
698 full_path = get_basepath(ctx);
701 SAFE_FREE(sharename);
704 full_path_tmp = talloc_asprintf(ctx,
707 if (!full_path_tmp) {
709 SAFE_FREE(sharename);
713 full_path = talloc_asprintf_append(full_path,
718 SAFE_FREE(sharename);
722 /* The path *must* be absolute. */
723 if (us_path[0] != '/') {
724 d_fprintf(stderr,"net usershare add: path %s is not an absolute path.\n",
727 SAFE_FREE(sharename);
731 /* Check the directory to be shared exists. */
732 if (sys_stat(us_path, &sbuf) != 0) {
733 d_fprintf(stderr, "net usershare add: cannot stat path %s to ensure "
734 "this is a directory. Error was %s\n",
735 us_path, strerror(errno) );
737 SAFE_FREE(sharename);
741 if (!S_ISDIR(sbuf.st_mode)) {
742 d_fprintf(stderr, "net usershare add: path %s is not a directory.\n",
745 SAFE_FREE(sharename);
749 /* If we're not root, check if we're restricted to sharing out directories
752 if ((myeuid != 0) && lp_usershare_owner_only() && (myeuid != sbuf.st_uid)) {
753 d_fprintf(stderr, "net usershare add: cannot share path %s as "
754 "we are restricted to only sharing directories we own.\n"
755 "\tAsk the administrator to add the line \"usershare owner only = false\" \n"
756 "\tto the [global] section of the smb.conf to allow this.\n",
759 SAFE_FREE(sharename);
763 /* No validation needed on comment. Now go through and validate the
764 acl string. Convert names to SID's as needed. Then run it through
765 parse_usershare_acl to ensure it's valid. */
767 /* Start off the string we'll append to. */
768 us_acl = talloc_strdup(ctx, "");
777 /* Add the number of ',' characters to get the number of aces. */
778 num_aces += count_chars(pacl,',');
780 for (i = 0; i < num_aces; i++) {
782 const char *pcolon = strchr_m(pacl, ':');
785 if (pcolon == NULL) {
786 d_fprintf(stderr, "net usershare add: malformed acl %s (missing ':').\n",
789 SAFE_FREE(sharename);
801 d_fprintf(stderr, "net usershare add: malformed acl %s "
802 "(access control must be 'r', 'f', or 'd')\n",
805 SAFE_FREE(sharename);
809 if (pcolon[2] != ',' && pcolon[2] != '\0') {
810 d_fprintf(stderr, "net usershare add: malformed terminating character for acl %s\n",
813 SAFE_FREE(sharename);
818 if ((name = talloc_strndup(ctx, pacl, pcolon - pacl)) == NULL) {
819 d_fprintf(stderr, "talloc_strndup failed\n");
821 SAFE_FREE(sharename);
824 if (!string_to_sid(&sid, name)) {
825 /* Convert to a SID */
826 NTSTATUS ntstatus = net_lookup_sid_from_name(c, ctx, name, &sid);
827 if (!NT_STATUS_IS_OK(ntstatus)) {
828 d_fprintf(stderr, "net usershare add: cannot convert name \"%s\" to a SID. %s.",
829 name, get_friendly_nt_error_msg(ntstatus) );
830 if (NT_STATUS_EQUAL(ntstatus, NT_STATUS_CONNECTION_REFUSED)) {
831 d_fprintf(stderr, " Maybe smbd is not running.\n");
833 d_fprintf(stderr, "\n");
836 SAFE_FREE(sharename);
840 us_acl = talloc_asprintf_append(
841 us_acl, "%s:%c,", sid_string_tos(&sid), pcolon[1]);
843 /* Move to the next ACL entry. */
844 if (pcolon[2] == ',') {
849 /* Remove the last ',' */
850 us_acl[strlen(us_acl)-1] = '\0';
852 if (guest_ok && !lp_usershare_allow_guests()) {
853 d_fprintf(stderr, "net usershare add: guest_ok=y requested "
854 "but the \"usershare allow guests\" parameter is not enabled "
855 "by this server.\n");
857 SAFE_FREE(sharename);
861 /* Create a temporary filename for this share. */
862 tmpfd = mkstemp(full_path_tmp);
865 d_fprintf(stderr, "net usershare add: cannot create tmp file %s\n",
868 SAFE_FREE(sharename);
872 /* Ensure we opened the file we thought we did. */
873 if (sys_lstat(full_path_tmp, &lsbuf) != 0) {
874 d_fprintf(stderr, "net usershare add: cannot lstat tmp file %s\n",
877 SAFE_FREE(sharename);
881 /* Check this is the same as the file we opened. */
882 if (sys_fstat(tmpfd, &sbuf) != 0) {
883 d_fprintf(stderr, "net usershare add: cannot fstat tmp file %s\n",
886 SAFE_FREE(sharename);
890 if (!S_ISREG(sbuf.st_mode) || sbuf.st_dev != lsbuf.st_dev || sbuf.st_ino != lsbuf.st_ino) {
891 d_fprintf(stderr, "net usershare add: tmp file %s is not a regular file ?\n",
894 SAFE_FREE(sharename);
898 if (fchmod(tmpfd, 0644) == -1) {
899 d_fprintf(stderr, "net usershare add: failed to fchmod tmp file %s to 0644n",
902 SAFE_FREE(sharename);
906 /* Create the in-memory image of the file. */
907 file_img = talloc_strdup(ctx, "#VERSION 2\npath=");
908 file_img = talloc_asprintf_append(file_img, "%s\ncomment=%s\nusershare_acl=%s\nguest_ok=%c\n",
909 us_path, us_comment, us_acl, guest_ok ? 'y' : 'n');
911 to_write = strlen(file_img);
913 if (write(tmpfd, file_img, to_write) != to_write) {
914 d_fprintf(stderr, "net usershare add: failed to write %u bytes to file %s. Error was %s\n",
915 (unsigned int)to_write, full_path_tmp, strerror(errno));
916 unlink(full_path_tmp);
918 SAFE_FREE(sharename);
922 /* Attempt to replace any existing share by this name. */
923 if (rename(full_path_tmp, full_path) != 0) {
924 unlink(full_path_tmp);
925 d_fprintf(stderr, "net usershare add: failed to add share %s. Error was %s\n",
926 sharename, strerror(errno));
929 SAFE_FREE(sharename);
935 if (c->opt_long_list_entries) {
936 const char *my_argv[2];
937 my_argv[0] = sharename;
939 net_usershare_info(c, 1, my_argv);
942 SAFE_FREE(sharename);
948 /***************************************************************************
950 ***************************************************************************/
952 static int list_fn(struct file_list *fl, void *priv)
954 d_printf("%s\n", fl->pathname);
959 /***************************************************************************
960 List userlevel shares.
961 ***************************************************************************/
963 static int net_usershare_list(struct net_context *c, int argc,
967 bool only_ours = true;
969 struct us_priv_info pi;
974 if (c->display_usage)
975 return net_usershare_list_usage(c, argc, argv);
977 if (c->opt_long_list_entries) {
985 fstrcpy(wcard, argv[0]);
988 return net_usershare_list_usage(c, argc, argv);
993 ctx = talloc_init("share_list");
994 ret = get_share_list(ctx, wcard, only_ours);
1002 ret = process_share_list(info_fn, &pi);
1003 talloc_destroy(ctx);
1007 /***************************************************************************
1008 Entry-point for all the USERSHARE functions.
1009 ***************************************************************************/
1011 int net_usershare(struct net_context *c, int argc, const char **argv)
1015 struct functable func[] = {
1019 NET_TRANSPORT_LOCAL,
1020 "Add/modify user defined share",
1021 "net usershare add\n"
1022 " Add/modify user defined share"
1026 net_usershare_delete,
1027 NET_TRANSPORT_LOCAL,
1028 "Delete user defined share",
1029 "net usershare delete\n"
1030 " Delete user defined share"
1035 NET_TRANSPORT_LOCAL,
1036 "Display information about a user defined share",
1037 "net usershare info\n"
1038 " Display information about a user defined share"
1043 NET_TRANSPORT_LOCAL,
1044 "List user defined shares",
1045 "net usershare list\n"
1046 " List user defined shares"
1048 {NULL, NULL, 0, NULL, NULL}
1051 if (lp_usershare_max_shares() == 0) {
1052 d_fprintf(stderr, "net usershare: usershares are currently disabled\n");
1056 dp = sys_opendir(lp_usershare_path());
1059 d_fprintf(stderr, "net usershare: cannot open usershare directory %s. Error %s\n",
1060 lp_usershare_path(), strerror(err) );
1061 if (err == EACCES) {
1062 d_fprintf(stderr, "You do not have permission to create a usershare. Ask your "
1063 "administrator to grant you permissions to create a share.\n");
1064 } else if (err == ENOENT) {
1065 d_fprintf(stderr, "Please ask your system administrator to "
1066 "enable user sharing.\n");
1072 return net_run_function(c, argc, argv, "net usershare", func);