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https://github.com/samba-team/samba.git
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4609058a9c
I can't figure out how to make git handle the CR/LF differences in this file. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Martin Schwenke <martin@meltin.net>
286 lines
7.4 KiB
C
286 lines
7.4 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <popt.h>
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#include "libsmbclient.h"
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#include "get_auth_data_fn.h"
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enum acl_mode
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{
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SMB_ACL_LIST,
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SMB_ACL_GET,
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SMB_ACL_SET,
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SMB_ACL_DELETE,
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SMB_ACL_MODIFY,
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SMB_ACL_ADD,
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SMB_ACL_CHOWN,
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SMB_ACL_CHGRP
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};
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int main(int argc, const char *argv[])
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{
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int opt;
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int flags = 0;
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int debug = 0;
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int numeric = 0;
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int stat_and_retry = 0;
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int full_time_names = 0;
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enum acl_mode mode = SMB_ACL_LIST;
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static const char *the_acl = NULL;
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int ret;
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char *p;
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const char *debugstr;
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char path[1024];
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char value[1024];
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poptContext pc;
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struct stat st;
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struct poptOption long_options[] =
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{
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POPT_AUTOHELP
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{
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"numeric", 'n', POPT_ARG_NONE, &numeric,
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1, "Don't resolve sids or masks to names"
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},
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{
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"debug", 'd', POPT_ARG_INT, &debug,
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0, "Set debug level (0-100)"
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},
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{
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"full_time_names", 'f', POPT_ARG_NONE, &full_time_names,
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1,
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"Use new style xattr names, which include CREATE_TIME"
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},
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{
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"delete", 'D', POPT_ARG_STRING, NULL,
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'D', "Delete an acl", "ACL"
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},
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{
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"modify", 'M', POPT_ARG_STRING, NULL,
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'M', "Modify an acl", "ACL"
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},
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{
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"add", 'a', POPT_ARG_STRING, NULL,
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'a', "Add an acl", "ACL"
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},
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{
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"set", 'S', POPT_ARG_STRING, NULL,
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'S', "Set acls", "ACLS"
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},
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{
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"chown", 'C', POPT_ARG_STRING, NULL,
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'C', "Change ownership of a file", "USERNAME"
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},
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{
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"chgrp", 'G', POPT_ARG_STRING, NULL,
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'G', "Change group ownership of a file", "GROUPNAME"
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},
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{
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"get", 'g', POPT_ARG_STRING, NULL,
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'g', "Get a specific acl attribute", "ACL"
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},
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{
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"stat_and_retry", 'R', POPT_ARG_NONE, &stat_and_retry,
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1, "After 'get' do 'stat' and another 'get'"
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},
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{
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NULL
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}
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};
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setbuf(stdout, NULL);
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pc = poptGetContext("smbcacls", argc, argv, long_options, 0);
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poptSetOtherOptionHelp(pc, "smb://server1/share1/filename");
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while ((opt = poptGetNextOpt(pc)) != -1) {
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switch (opt) {
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case 'S':
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the_acl = strdup(poptGetOptArg(pc));
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mode = SMB_ACL_SET;
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break;
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case 'D':
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the_acl = strdup(poptGetOptArg(pc));
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mode = SMB_ACL_DELETE;
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break;
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case 'M':
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the_acl = strdup(poptGetOptArg(pc));
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mode = SMB_ACL_MODIFY;
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break;
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case 'a':
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the_acl = strdup(poptGetOptArg(pc));
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mode = SMB_ACL_ADD;
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break;
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case 'g':
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the_acl = strdup(poptGetOptArg(pc));
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mode = SMB_ACL_GET;
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break;
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case 'C':
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the_acl = strdup(poptGetOptArg(pc));
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mode = SMB_ACL_CHOWN;
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break;
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case 'G':
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the_acl = strdup(poptGetOptArg(pc));
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mode = SMB_ACL_CHGRP;
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break;
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}
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}
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/* Make connection to server */
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if(!poptPeekArg(pc)) {
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poptPrintUsage(pc, stderr, 0);
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return 1;
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}
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strncpy(path, poptGetArg(pc), sizeof(path));
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path[sizeof(path)-1] = '\0';
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if (smbc_init(get_auth_data_fn, debug) != 0)
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{
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printf("Could not initialize smbc_ library\n");
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return 1;
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}
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if (full_time_names) {
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SMBCCTX *context = smbc_set_context(NULL);
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smbc_setOptionFullTimeNames(context, 1);
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}
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/* Perform requested action */
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switch(mode)
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{
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case SMB_ACL_LIST:
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ret = smbc_listxattr(path, value, sizeof(value)-2);
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if (ret < 0)
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{
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printf("Could not get attribute list for [%s] %d: %s\n",
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path, errno, strerror(errno));
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return 1;
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}
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/*
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* The list of attributes has a series of null-terminated strings.
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* The list of strings terminates with an extra null byte, thus two in
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* a row. Ensure that our buffer, which is conceivably shorter than
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* the list of attributes, actually ends with two null bytes in a row.
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*/
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value[sizeof(value) - 2] = '\0';
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value[sizeof(value) - 1] = '\0';
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printf("Supported attributes:\n");
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for (p = value; *p; p += strlen(p) + 1)
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{
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printf("\t%s\n", p);
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}
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break;
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case SMB_ACL_GET:
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do
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{
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if (the_acl == NULL)
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{
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if (numeric)
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{
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the_acl = "system.*";
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}
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else
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{
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the_acl = "system.*+";
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}
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}
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ret = smbc_getxattr(path, the_acl, value, sizeof(value));
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if (ret < 0)
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{
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printf("Could not get attributes for [%s] %d: %s\n",
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path, errno, strerror(errno));
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return 1;
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}
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printf("Attributes for [%s] are:\n%s\n", path, value);
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if (stat_and_retry)
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{
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if (smbc_stat(path, &st) < 0)
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{
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perror("smbc_stat");
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return 1;
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}
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}
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--stat_and_retry;
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} while (stat_and_retry >= 0);
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break;
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case SMB_ACL_ADD:
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flags = SMBC_XATTR_FLAG_CREATE;
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debugstr = "add attributes";
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goto do_set;
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case SMB_ACL_MODIFY:
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flags = SMBC_XATTR_FLAG_REPLACE;
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debugstr = "modify attributes";
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goto do_set;
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case SMB_ACL_CHOWN:
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snprintf(value, sizeof(value),
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"system.nt_sec_desc.owner%s:%s",
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numeric ? "" : "+", the_acl);
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the_acl = value;
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debugstr = "chown owner";
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goto do_set;
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case SMB_ACL_CHGRP:
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snprintf(value, sizeof(value),
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"system.nt_sec_desc.group%s:%s",
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numeric ? "" : "+", the_acl);
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the_acl = value;
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debugstr = "change group";
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goto do_set;
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case SMB_ACL_SET:
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flags = 0;
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debugstr = "set attributes";
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do_set:
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if ((p = strchr(the_acl, ':')) == NULL)
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{
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printf("Missing value. ACL must be name:value pair\n");
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return 1;
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}
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*p++ = '\0';
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ret = smbc_setxattr(path, the_acl, p, strlen(p), flags);
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if (ret < 0)
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{
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printf("Could not %s for [%s] %d: %s\n",
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debugstr, path, errno, strerror(errno));
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return 1;
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}
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break;
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case SMB_ACL_DELETE:
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ret = smbc_removexattr(path, the_acl);
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if (ret < 0)
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{
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printf("Could not remove attribute %s for [%s] %d:%s\n",
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the_acl, path, errno, strerror(errno));
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return 1;
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}
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break;
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default:
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printf("operation not yet implemented\n");
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break;
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}
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return 0;
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}
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