The branch, v3-2-test has been updated
       via  9c57628dbd79d3d28f20d5d1ab62a68ae683d46e (commit)
      from  df42038f8801ca65ed7d44f7ae26640e2d840dba (commit)

http://gitweb.samba.org/?p=samba.git;a=shortlog;h=v3-2-test


- Log -----------------------------------------------------------------
commit 9c57628dbd79d3d28f20d5d1ab62a68ae683d46e
Author: Volker Lendecke <[EMAIL PROTECTED]>
Date:   Wed Oct 10 16:57:34 2007 +0200

    Sanitize smbcacls slightly

-----------------------------------------------------------------------

Summary of changes:
 source/utils/smbcacls.c |  238 ++++++++++++++++++++++++++++-------------------
 1 files changed, 144 insertions(+), 94 deletions(-)


Changeset truncated at 500 lines:

diff --git a/source/utils/smbcacls.c b/source/utils/smbcacls.c
index 9af2294..45177a9 100644
--- a/source/utils/smbcacls.c
+++ b/source/utils/smbcacls.c
@@ -23,10 +23,7 @@
 
 #include "includes.h"
 
-static pstring owner_username;
-static fstring server;
 static int test_args = False;
-static TALLOC_CTX *ctx;
 
 #define CREATE_ACCESS_READ READ_CONTROL_ACCESS
 
@@ -62,110 +59,155 @@ static const struct perm_value standard_values[] = {
        { NULL, 0 },
 };
 
-static struct cli_state *global_hack_cli;
-static struct rpc_pipe_client *global_pipe_hnd;
-static POLICY_HND pol;
-static bool got_policy_hnd;
+/* Open cli connection and policy handle */
 
-static struct cli_state *connect_one(const char *share);
+static NTSTATUS cli_lsa_lookup_sid(struct cli_state *cli,
+                                  const DOM_SID *sid,
+                                  TALLOC_CTX *mem_ctx,
+                                  enum lsa_SidType *type,
+                                  char **domain, char **name)
+{
+       uint16 orig_cnum = cli->cnum;
+       struct rpc_pipe_client *p;
+       struct policy_handle handle;
+       NTSTATUS status;
+       TALLOC_CTX *frame = talloc_stackframe();
+       enum lsa_SidType *types;
+       char **domains;
+       char **names;
 
-/* Open cli connection and policy handle */
+       if (!cli_send_tconX(cli, "IPC$", "?????", "", 0)) {
+               return cli_nt_error(cli);
+       }
+
+       p = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
+       if (p == NULL) {
+               goto fail;
+       }
+
+       status = rpccli_lsa_open_policy(p, talloc_tos(), True,
+                                       GENERIC_EXECUTE_ACCESS, &handle);
+       if (!NT_STATUS_IS_OK(status)) {
+               goto fail;
+       }
+
+       status = rpccli_lsa_lookup_sids(p, talloc_tos(), &handle, 1, sid,
+                                       &domains, &names, &types);
+       if (!NT_STATUS_IS_OK(status)) {
+               goto fail;
+       }
 
-static bool cacls_open_policy_hnd(void)
+       *type = types[0];
+       *domain = talloc_move(mem_ctx, &domains[0]);
+       *name = talloc_move(mem_ctx, &names[0]);
+
+       status = NT_STATUS_OK;
+ fail:
+       if (p != NULL) {
+               cli_rpc_pipe_close(p);
+       }
+       cli_tdis(cli);
+       cli->cnum = orig_cnum;
+       TALLOC_FREE(frame);
+       return status;
+}
+
+static NTSTATUS cli_lsa_lookup_name(struct cli_state *cli,
+                                   const char *name,
+                                   enum lsa_SidType *type,
+                                   DOM_SID *sid)
 {
-       /* Initialise cli LSA connection */
-
-       if (!global_hack_cli) {
-               NTSTATUS ret;
-               global_hack_cli = connect_one("IPC$");
-               global_pipe_hnd = cli_rpc_pipe_open_noauth(global_hack_cli, 
PI_LSARPC, &ret);
-               if (!global_pipe_hnd) {
-                               return False;
-               }
+       uint16 orig_cnum = cli->cnum;
+       struct rpc_pipe_client *p;
+       struct policy_handle handle;
+       NTSTATUS status;
+       TALLOC_CTX *frame = talloc_stackframe();
+       DOM_SID *sids;
+       enum lsa_SidType *types;
+
+       if (!cli_send_tconX(cli, "IPC$", "?????", "", 0)) {
+               return cli_nt_error(cli);
        }
-       
-       /* Open policy handle */
 
-       if (!got_policy_hnd) {
+       p = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
+       if (p == NULL) {
+               goto fail;
+       }
 
-               /* Some systems don't support SEC_RIGHTS_MAXIMUM_ALLOWED,
-                  but NT sends 0x2000000 so we might as well do it too. */
+       status = rpccli_lsa_open_policy(p, talloc_tos(), True,
+                                       GENERIC_EXECUTE_ACCESS, &handle);
+       if (!NT_STATUS_IS_OK(status)) {
+               goto fail;
+       }
 
-               if (!NT_STATUS_IS_OK(rpccli_lsa_open_policy(global_pipe_hnd, 
global_hack_cli->mem_ctx, True, 
-                                                        
GENERIC_EXECUTE_ACCESS, &pol))) {
-                       return False;
-               }
+       status = rpccli_lsa_lookup_names(p, talloc_tos(), &handle, 1, &name,
+                                        NULL, 1, &sids, &types);
+       if (!NT_STATUS_IS_OK(status)) {
+               goto fail;
+       }
 
-               got_policy_hnd = True;
+       *type = types[0];
+       *sid = sids[0];
+
+       status = NT_STATUS_OK;
+ fail:
+       if (p != NULL) {
+               cli_rpc_pipe_close(p);
        }
-       
-       return True;
+       cli_tdis(cli);
+       cli->cnum = orig_cnum;
+       TALLOC_FREE(frame);
+       return status;
 }
 
 /* convert a SID to a string, either numeric or username/group */
-static void SidToString(fstring str, DOM_SID *sid)
+static void SidToString(struct cli_state *cli, fstring str, const DOM_SID *sid)
 {
-       char **domains = NULL;
-       char **names = NULL;
-       enum lsa_SidType *types = NULL;
+       char *domain = NULL;
+       char *name = NULL;
+       enum lsa_SidType type;
+       NTSTATUS status;
 
        sid_to_string(str, sid);
 
-       if (numeric) return;
+       if (numeric) {
+               return;
+       }
 
-       /* Ask LSA to convert the sid to a name */
+       status = cli_lsa_lookup_sid(cli, sid, talloc_tos(), &type,
+                                   &domain, &name);
 
-       if (!cacls_open_policy_hnd() ||
-           !NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(global_pipe_hnd, 
global_hack_cli->mem_ctx,  
-                                                &pol, 1, sid, &domains, 
-                                                &names, &types)) ||
-           !domains || !domains[0] || !names || !names[0]) {
+       if (!NT_STATUS_IS_OK(status)) {
                return;
        }
 
-       /* Converted OK */
-
        slprintf(str, sizeof(fstring) - 1, "%s%s%s",
-                domains[0], lp_winbind_separator(),
-                names[0]);
+                domain, lp_winbind_separator(), name);
        
 }
 
 /* convert a string to a SID, either numeric or username/group */
-static bool StringToSid(DOM_SID *sid, const char *str)
+static bool StringToSid(struct cli_state *cli, DOM_SID *sid, const char *str)
 {
-       enum lsa_SidType *types = NULL;
-       DOM_SID *sids = NULL;
-       bool result = True;
+       enum lsa_SidType type;
 
        if (strncmp(str, "S-", 2) == 0) {
                return string_to_sid(sid, str);
        }
 
-       if (!cacls_open_policy_hnd() ||
-           !NT_STATUS_IS_OK(rpccli_lsa_lookup_names(global_pipe_hnd, 
global_hack_cli->mem_ctx, 
-                                                 &pol, 1, &str, NULL, 1, 
&sids, 
-                                                 &types))) {
-               result = False;
-               goto done;
-       }
-
-       sid_copy(sid, &sids[0]);
- done:
-
-       return result;
+       return NT_STATUS_IS_OK(cli_lsa_lookup_name(cli, str, &type, sid));
 }
 
 
 /* print an ACE on a FILE, using either numeric or ascii representation */
-static void print_ace(FILE *f, SEC_ACE *ace)
+static void print_ace(struct cli_state *cli, FILE *f, SEC_ACE *ace)
 {
        const struct perm_value *v;
        fstring sidstr;
        int do_print = 0;
        uint32 got_mask;
 
-       SidToString(sidstr, &ace->trustee);
+       SidToString(cli, sidstr, &ace->trustee);
 
        fprintf(f, "%s:", sidstr);
 
@@ -225,7 +267,8 @@ static void print_ace(FILE *f, SEC_ACE *ace)
 
 
 /* parse an ACE in the same format as print_ace() */
-static bool parse_ace(SEC_ACE *ace, const char *orig_str)
+static bool parse_ace(struct cli_state *cli, SEC_ACE *ace,
+                     const char *orig_str)
 {
        char *p;
        const char *cp;
@@ -254,13 +297,13 @@ static bool parse_ace(SEC_ACE *ace, const char *orig_str)
        /* Try to parse numeric form */
 
        if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
-           StringToSid(&sid, str)) {
+           StringToSid(cli, &sid, str)) {
                goto done;
        }
 
        /* Try to parse text form */
 
-       if (!StringToSid(&sid, str)) {
+       if (!StringToSid(cli, &sid, str)) {
                printf("ACE '%s': failed to convert '%s' to SID\n",
                        orig_str, str);
                SAFE_FREE(str);
@@ -359,7 +402,8 @@ static bool add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
        SEC_ACL *new_ace;
        SEC_ACE *aces;
        if (! *the_acl) {
-               return (((*the_acl) = make_sec_acl(ctx, 3, 1, ace)) != NULL);
+               return (((*the_acl) = make_sec_acl(talloc_tos(), 3, 1, ace))
+                       != NULL);
        }
 
        if (!(aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces))) {
@@ -367,14 +411,14 @@ static bool add_ace(SEC_ACL **the_acl, SEC_ACE *ace)
        }
        memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(SEC_ACE));
        memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
-       new_ace = make_sec_acl(ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, 
aces);
+       new_ace = 
make_sec_acl(talloc_tos(),(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
        SAFE_FREE(aces);
        (*the_acl) = new_ace;
        return True;
 }
 
 /* parse a ascii version of a security descriptor */
-static SEC_DESC *sec_desc_parse(char *str)
+static SEC_DESC *sec_desc_parse(struct cli_state *cli, char *str)
 {
        const char *p = str;
        fstring tok;
@@ -398,7 +442,7 @@ static SEC_DESC *sec_desc_parse(char *str)
                        }
                        owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
                        if (!owner_sid ||
-                           !StringToSid(owner_sid, tok+6)) {
+                           !StringToSid(cli, owner_sid, tok+6)) {
                                printf("Failed to parse owner sid\n");
                                goto done;
                        }
@@ -412,7 +456,7 @@ static SEC_DESC *sec_desc_parse(char *str)
                        }
                        grp_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
                        if (!grp_sid ||
-                           !StringToSid(grp_sid, tok+6)) {
+                           !StringToSid(cli, grp_sid, tok+6)) {
                                printf("Failed to parse group sid\n");
                                goto done;
                        }
@@ -421,7 +465,7 @@ static SEC_DESC *sec_desc_parse(char *str)
 
                if (strncmp(tok,"ACL:", 4) == 0) {
                        SEC_ACE ace;
-                       if (!parse_ace(&ace, tok+4)) {
+                       if (!parse_ace(cli, &ace, tok+4)) {
                                goto done;
                        }
                        if(!add_ace(&dacl, &ace)) {
@@ -435,7 +479,7 @@ static SEC_DESC *sec_desc_parse(char *str)
                goto done;
        }
 
-       ret = make_sec_desc(ctx,revision, SEC_DESC_SELF_RELATIVE, owner_sid, 
grp_sid, 
+       ret = make_sec_desc(talloc_tos(),revision, SEC_DESC_SELF_RELATIVE, 
owner_sid, grp_sid,
                            NULL, dacl, &sd_size);
 
   done:
@@ -447,7 +491,7 @@ static SEC_DESC *sec_desc_parse(char *str)
 
 
 /* print a ascii version of a security descriptor on a FILE handle */
-static void sec_desc_print(FILE *f, SEC_DESC *sd)
+static void sec_desc_print(struct cli_state *cli, FILE *f, SEC_DESC *sd)
 {
        fstring sidstr;
        uint32 i;
@@ -457,7 +501,7 @@ static void sec_desc_print(FILE *f, SEC_DESC *sd)
        /* Print owner and group sid */
 
        if (sd->owner_sid) {
-               SidToString(sidstr, sd->owner_sid);
+               SidToString(cli, sidstr, sd->owner_sid);
        } else {
                fstrcpy(sidstr, "");
        }
@@ -465,7 +509,7 @@ static void sec_desc_print(FILE *f, SEC_DESC *sd)
        fprintf(f, "OWNER:%s\n", sidstr);
 
        if (sd->group_sid) {
-               SidToString(sidstr, sd->group_sid);
+               SidToString(cli, sidstr, sd->group_sid);
        } else {
                fstrcpy(sidstr, "");
        }
@@ -476,7 +520,7 @@ static void sec_desc_print(FILE *f, SEC_DESC *sd)
        for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
                SEC_ACE *ace = &sd->dacl->aces[i];
                fprintf(f, "ACL:");
-               print_ace(f, ace);
+               print_ace(cli, f, ace);
                fprintf(f, "\n");
        }
 
@@ -501,14 +545,14 @@ static int cacl_dump(struct cli_state *cli, char 
*filename)
                goto done;
        }
 
-       sd = cli_query_secdesc(cli, fnum, ctx);
+       sd = cli_query_secdesc(cli, fnum, talloc_tos());
 
        if (!sd) {
                printf("ERROR: secdesc query failed: %s\n", cli_errstr(cli));
                goto done;
        }
 
-       sec_desc_print(stdout, sd);
+       sec_desc_print(cli, stdout, sd);
 
        result = EXIT_OK;
 
@@ -539,10 +583,10 @@ static int owner_set(struct cli_state *cli, enum 
chown_mode change_mode,
                return EXIT_FAILED;
        }
 
-       if (!StringToSid(&sid, new_username))
+       if (!StringToSid(cli, &sid, new_username))
                return EXIT_PARSE_ERROR;
 
-       old = cli_query_secdesc(cli, fnum, ctx);
+       old = cli_query_secdesc(cli, fnum, talloc_tos());
 
        cli_close(cli, fnum);
 
@@ -551,7 +595,7 @@ static int owner_set(struct cli_state *cli, enum chown_mode 
change_mode,
                return EXIT_FAILED;
        }
 
-       sd = make_sec_desc(ctx,old->revision, old->type,
+       sd = make_sec_desc(talloc_tos(),old->revision, old->type,
                                (change_mode == REQUEST_CHOWN) ? &sid : NULL,
                                (change_mode == REQUEST_CHGRP) ? &sid : NULL,
                           NULL, NULL, &sd_size);
@@ -633,7 +677,7 @@ static int cacl_set(struct cli_state *cli, char *filename,
        size_t sd_size;
        int result = EXIT_OK;
 
-       sd = sec_desc_parse(the_acl);
+       sd = sec_desc_parse(cli, the_acl);
 
        if (!sd) return EXIT_PARSE_ERROR;
        if (test_args) return EXIT_OK;
@@ -648,7 +692,7 @@ static int cacl_set(struct cli_state *cli, char *filename,
                return EXIT_FAILED;
        }
 
-       old = cli_query_secdesc(cli, fnum, ctx);
+       old = cli_query_secdesc(cli, fnum, talloc_tos());
 
        if (!old) {
                printf("calc_set: Failed to query old descriptor\n");
@@ -678,7 +722,7 @@ static int cacl_set(struct cli_state *cli, char *filename,
 
                        if (!found) {
                                printf("ACL for ACE:"); 
-                               print_ace(stdout, &sd->dacl->aces[i]);
+                               print_ace(cli, stdout, &sd->dacl->aces[i]);
                                printf(" not found\n");
                        }
                }
@@ -699,7 +743,8 @@ static int cacl_set(struct cli_state *cli, char *filename,
                        if (!found) {
                                fstring str;
 
-                               SidToString(str, &sd->dacl->aces[i].trustee);
+                               SidToString(cli, str,
+                                           &sd->dacl->aces[i].trustee);
                                printf("ACL for SID %s not found\n", str);
                        }
                }
@@ -737,7 +782,8 @@ static int cacl_set(struct cli_state *cli, char *filename,
           and W2K. JRA.
        */
 
-       sd = make_sec_desc(ctx,old->revision, old->type, old->owner_sid, 
old->group_sid,
+       sd = make_sec_desc(talloc_tos(),old->revision, old->type,
+                          old->owner_sid, old->group_sid,
                           NULL, old->dacl, &sd_size);
 
        fnum = cli_nt_create(cli, filename, 
WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS);
@@ -763,8 +809,7 @@ static int cacl_set(struct cli_state *cli, char *filename,
 /*****************************************************
  Return a connection to a server.
 *******************************************************/
-
-static struct cli_state *connect_one(const char *share)
+static struct cli_state *connect_one(const char *server, const char *share)
 {
        struct cli_state *c;
        struct sockaddr_storage ss;
@@ -822,10 +867,15 @@ static struct cli_state *connect_one(const char *share)
        };
 
        struct cli_state *cli;
+       TALLOC_CTX *frame;
+       pstring owner_username;
+       fstring server;
+
+       owner_username[0] = '\0';
 
        load_case_tables();
 
-       ctx=talloc_stackframe();
+       frame = talloc_stackframe();
 
        /* set default debug level to 1 regardless of what smb.conf sets */
        setup_logging( "smbcacls", True );
@@ -905,9 +955,9 @@ static struct cli_state *connect_one(const char *share)
        share++;
 
        if (!test_args) {
-               cli = connect_one(share);
+               cli = connect_one(server, share);
                if (!cli) {
-                       talloc_destroy(ctx);
+                       TALLOC_FREE(frame);
                        exit(EXIT_FAILED);
                }
        } else {
@@ -932,7 +982,7 @@ static struct cli_state *connect_one(const char *share)
                result = cacl_dump(cli, filename);
        }
 
-       talloc_destroy(ctx);
+       TALLOC_FREE(frame);
 
        return result;
 }


-- 
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