diff options
Diffstat (limited to 'source3/libsmb/libsmb_xattr.c')
-rw-r--r-- | source3/libsmb/libsmb_xattr.c | 636 |
1 files changed, 322 insertions, 314 deletions
diff --git a/source3/libsmb/libsmb_xattr.c b/source3/libsmb/libsmb_xattr.c index a420299341..3c08412d59 100644 --- a/source3/libsmb/libsmb_xattr.c +++ b/source3/libsmb/libsmb_xattr.c @@ -34,16 +34,16 @@ static struct rpc_pipe_client * find_lsa_pipe_hnd(struct cli_state *ipc_cli) { struct rpc_pipe_client *pipe_hnd; - + for (pipe_hnd = ipc_cli->pipe_list; pipe_hnd; pipe_hnd = pipe_hnd->next) { - + if (pipe_hnd->pipe_idx == PI_LSARPC) { return pipe_hnd; } } - + return NULL; } @@ -59,19 +59,19 @@ ace_compare(SEC_ACE *ace1, { bool b1; bool b2; - + /* If the ACEs are equal, we have nothing more to do. */ if (sec_ace_equal(ace1, ace2)) { return 0; } - + /* Inherited follow non-inherited */ b1 = ((ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) != 0); b2 = ((ace2->flags & SEC_ACE_FLAG_INHERITED_ACE) != 0); if (b1 != b2) { return (b1 ? 1 : -1); } - + /* * What shall we do with AUDITs and ALARMs? It's undefined. We'll * sort them after DENY and ALLOW. @@ -87,7 +87,7 @@ ace_compare(SEC_ACE *ace1, if (b1 != b2) { return (b1 ? 1 : -1); } - + /* Allowed ACEs follow denied ACEs */ b1 = (ace1->type == SEC_ACE_TYPE_ACCESS_ALLOWED || ace1->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT); @@ -96,7 +96,7 @@ ace_compare(SEC_ACE *ace1, if (b1 != b2) { return (b1 ? 1 : -1); } - + /* * ACEs applying to an entity's object follow those applying to the * entity itself @@ -108,34 +108,34 @@ ace_compare(SEC_ACE *ace1, if (b1 != b2) { return (b1 ? 1 : -1); } - + /* * If we get this far, the ACEs are similar as far as the * characteristics we typically care about (those defined by the * referenced MS document). We'll now sort by characteristics that * just seems reasonable. */ - + if (ace1->type != ace2->type) { return ace2->type - ace1->type; } - + if (sid_compare(&ace1->trustee, &ace2->trustee)) { return sid_compare(&ace1->trustee, &ace2->trustee); } - + if (ace1->flags != ace2->flags) { return ace1->flags - ace2->flags; } - + if (ace1->access_mask != ace2->access_mask) { return ace1->access_mask - ace2->access_mask; } - + if (ace1->size != ace2->size) { return ace1->size - ace2->size; } - + return memcmp(ace1, ace2, sizeof(SEC_ACE)); } @@ -145,10 +145,10 @@ sort_acl(SEC_ACL *the_acl) { uint32 i; if (!the_acl) return; - + qsort(the_acl->aces, the_acl->num_aces, sizeof(the_acl->aces[0]), QSORT_CAST ace_compare); - + for (i=1;i<the_acl->num_aces;) { if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) { int j; @@ -175,32 +175,32 @@ convert_sid_to_string(struct cli_state *ipc_cli, enum lsa_SidType *types = NULL; struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli); TALLOC_CTX *ctx; - + sid_to_fstring(str, sid); - + if (numeric) { return; /* no lookup desired */ } - + if (!pipe_hnd) { return; } - + /* Ask LSA to convert the sid to a name */ - + ctx = talloc_stackframe(); - + if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(pipe_hnd, ctx, - pol, 1, sid, &domains, - &names, &types)) || + pol, 1, sid, &domains, + &names, &types)) || !domains || !domains[0] || !names || !names[0]) { TALLOC_FREE(ctx); return; } - + TALLOC_FREE(ctx); /* Converted OK */ - + slprintf(str, sizeof(fstring) - 1, "%s%s%s", domains[0], lp_winbind_separator(), names[0]); @@ -219,31 +219,32 @@ convert_string_to_sid(struct cli_state *ipc_cli, bool result = True; TALLOC_CTX *ctx = NULL; struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli); - + if (!pipe_hnd) { return False; } - + if (numeric) { if (strncmp(str, "S-", 2) == 0) { return string_to_sid(sid, str); } - + result = False; goto done; } - + ctx = talloc_stackframe(); if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_names(pipe_hnd, ctx, - pol, 1, &str, NULL, 1, &sids, - &types))) { + pol, 1, &str, + NULL, 1, &sids, + &types))) { result = False; goto done; } - + sid_copy(sid, &sids[0]); - done: - +done: + TALLOC_FREE(ctx); return result; } @@ -271,7 +272,7 @@ parse_ace(struct cli_state *ipc_cli, uint32 mask; }; TALLOC_CTX *frame = talloc_stackframe(); - + /* These values discovered by inspection */ static const struct perm_value special_values[] = { { "R", 0x00120089 }, @@ -282,15 +283,15 @@ parse_ace(struct cli_state *ipc_cli, { "O", 0x00080000 }, { NULL, 0 }, }; - + static const struct perm_value standard_values[] = { { "READ", 0x001200a9 }, { "CHANGE", 0x001301bf }, { "FULL", 0x001f01ff }, { NULL, 0 }, }; - - + + ZERO_STRUCTP(ace); p = strchr_m(str,':'); if (!p) { @@ -300,25 +301,25 @@ parse_ace(struct cli_state *ipc_cli, *p = '\0'; p++; /* Try to parse numeric form */ - + if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 && convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) { goto done; } - + /* Try to parse text form */ - + if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) { TALLOC_FREE(frame); return false; } - + cp = p; if (!next_token_talloc(frame, &cp, &tok, "/")) { TALLOC_FREE(frame); return false; } - + if (StrnCaseCmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) { atype = SEC_ACE_TYPE_ACCESS_ALLOWED; } else if (StrnCaseCmp(tok, "DENIED", strlen("DENIED")) == 0) { @@ -327,20 +328,20 @@ parse_ace(struct cli_state *ipc_cli, TALLOC_FREE(frame); return false; } - + /* Only numeric form accepted for flags at present */ - + if (!(next_token_talloc(frame, &cp, &tok, "/") && sscanf(tok, "%i", &aflags))) { TALLOC_FREE(frame); return false; } - + if (!next_token_talloc(frame, &cp, &tok, "/")) { TALLOC_FREE(frame); return false; } - + if (strncmp(tok, "0x", 2) == 0) { if (sscanf(tok, "%i", &amask) != 1) { TALLOC_FREE(frame); @@ -348,39 +349,39 @@ parse_ace(struct cli_state *ipc_cli, } goto done; } - + for (v = standard_values; v->perm; v++) { if (strcmp(tok, v->perm) == 0) { amask = v->mask; goto done; } } - + p = tok; - + while(*p) { bool found = False; - + for (v = special_values; v->perm; v++) { if (v->perm[0] == *p) { amask |= v->mask; found = True; } } - + if (!found) { TALLOC_FREE(frame); return false; } p++; } - + if (*p) { TALLOC_FREE(frame); return false; } - - done: + +done: mask = amask; init_sec_ace(ace, &sid, atype, mask, aflags); TALLOC_FREE(frame); @@ -395,13 +396,14 @@ add_ace(SEC_ACL **the_acl, { SEC_ACL *newacl; SEC_ACE *aces; - + if (! *the_acl) { (*the_acl) = make_sec_acl(ctx, 3, 1, ace); return True; } - - if ((aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces)) == NULL) { + + if ((aces = SMB_CALLOC_ARRAY(SEC_ACE, + 1+(*the_acl)->num_aces)) == NULL) { return False; } memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(SEC_ACE)); @@ -430,17 +432,17 @@ sec_desc_parse(TALLOC_CTX *ctx, DOM_SID *owner_sid=NULL; SEC_ACL *dacl=NULL; int revision=1; - + while (next_token_talloc(ctx, &p, &tok, "\t,\r\n")) { - + if (StrnCaseCmp(tok,"REVISION:", 9) == 0) { revision = strtol(tok+9, NULL, 16); continue; } - + if (StrnCaseCmp(tok,"OWNER:", 6) == 0) { if (owner_sid) { - DEBUG(5, ("OWNER specified more than once!\n")); + DEBUG(5,("OWNER specified more than once!\n")); goto done; } owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1); @@ -453,10 +455,10 @@ sec_desc_parse(TALLOC_CTX *ctx, } continue; } - + if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) { if (owner_sid) { - DEBUG(5, ("OWNER specified more than once!\n")); + DEBUG(5,("OWNER specified more than once!\n")); goto done; } owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1); @@ -469,10 +471,10 @@ sec_desc_parse(TALLOC_CTX *ctx, } continue; } - + if (StrnCaseCmp(tok,"GROUP:", 6) == 0) { if (group_sid) { - DEBUG(5, ("GROUP specified more than once!\n")); + DEBUG(5,("GROUP specified more than once!\n")); goto done; } group_sid = SMB_CALLOC_ARRAY(DOM_SID, 1); @@ -485,10 +487,10 @@ sec_desc_parse(TALLOC_CTX *ctx, } continue; } - + if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) { if (group_sid) { - DEBUG(5, ("GROUP specified more than once!\n")); + DEBUG(5,("GROUP specified more than once!\n")); goto done; } group_sid = SMB_CALLOC_ARRAY(DOM_SID, 1); @@ -501,7 +503,7 @@ sec_desc_parse(TALLOC_CTX *ctx, } continue; } - + if (StrnCaseCmp(tok,"ACL:", 4) == 0) { SEC_ACE ace; if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) { @@ -514,7 +516,7 @@ sec_desc_parse(TALLOC_CTX *ctx, } continue; } - + if (StrnCaseCmp(tok,"ACL+:", 5) == 0) { SEC_ACE ace; if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) { @@ -527,18 +529,18 @@ sec_desc_parse(TALLOC_CTX *ctx, } continue; } - + DEBUG(5, ("Failed to parse security descriptor\n")); goto done; } - + ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE, owner_sid, group_sid, NULL, dacl, &sd_size); - - done: + +done: SAFE_FREE(group_sid); SAFE_FREE(owner_sid); - + return ret; } @@ -558,13 +560,13 @@ dos_attr_query(SMBCCTX *context, uint16 mode = 0; SMB_INO_T inode = 0; DOS_ATTR_DESC *ret; - + ret = TALLOC_P(ctx, DOS_ATTR_DESC); if (!ret) { errno = ENOMEM; return NULL; } - + /* Obtain the DOS attributes */ if (!SMBC_getatr(context, srv, CONST_DISCARD(char *, filename), &mode, &size, @@ -577,7 +579,7 @@ dos_attr_query(SMBCCTX *context, DEBUG(5, ("dos_attr_query Failed to query old attributes\n")); return NULL; } - + ret->mode = mode; ret->size = size; ret->create_time = convert_timespec_to_time_t(create_time_ts); @@ -585,7 +587,7 @@ dos_attr_query(SMBCCTX *context, ret->write_time = convert_timespec_to_time_t(write_time_ts); ret->change_time = convert_timespec_to_time_t(change_time_ts); ret->inode = inode; - + return ret; } @@ -607,7 +609,7 @@ dos_attr_parse(SMBCCTX *context, const char * write_time_attr; const char * change_time_attr; } attr_strings; - + /* Determine whether to use old-style or new-style attribute names */ if (context->internal->full_time_names) { /* new-style names */ @@ -622,7 +624,7 @@ dos_attr_parse(SMBCCTX *context, attr_strings.write_time_attr = "M_TIME"; attr_strings.change_time_attr = "C_TIME"; } - + /* if this is to set the entire ACL... */ if (*str == '*') { /* ... then increment past the first colon if there is one */ @@ -632,7 +634,7 @@ dos_attr_parse(SMBCCTX *context, p = str; } } - + frame = talloc_stackframe(); while (next_token_talloc(frame, &p, &tok, "\t,\r\n")) { if (StrnCaseCmp(tok, "MODE:", 5) == 0) { @@ -647,30 +649,30 @@ dos_attr_parse(SMBCCTX *context, } continue; } - + if (StrnCaseCmp(tok, "SIZE:", 5) == 0) { dad->size = (SMB_OFF_T)atof(tok+5); continue; } - + n = strlen(attr_strings.access_time_attr); if (StrnCaseCmp(tok, attr_strings.access_time_attr, n) == 0) { dad->access_time = (time_t)strtol(tok+n+1, NULL, 10); continue; } - + n = strlen(attr_strings.change_time_attr); if (StrnCaseCmp(tok, attr_strings.change_time_attr, n) == 0) { dad->change_time = (time_t)strtol(tok+n+1, NULL, 10); continue; } - + n = strlen(attr_strings.write_time_attr); if (StrnCaseCmp(tok, attr_strings.write_time_attr, n) == 0) { dad->write_time = (time_t)strtol(tok+n+1, NULL, 10); continue; } - + if (attr_strings.create_time_attr != NULL) { n = strlen(attr_strings.create_time_attr); if (StrnCaseCmp(tok, attr_strings.create_time_attr, @@ -680,7 +682,7 @@ dos_attr_parse(SMBCCTX *context, continue; } } - + if (StrnCaseCmp(tok, "INODE:", 6) == 0) { dad->inode = (SMB_INO_T)atof(tok+6); continue; @@ -757,7 +759,7 @@ cacl_get(SMBCCTX *context, const char * write_time_attr; const char * change_time_attr; } excl_attr_strings; - + /* Determine whether to use old-style or new-style attribute names */ if (context->internal->full_time_names) { /* new-style names */ @@ -765,7 +767,7 @@ cacl_get(SMBCCTX *context, attr_strings.access_time_attr = "ACCESS_TIME"; attr_strings.write_time_attr = "WRITE_TIME"; attr_strings.change_time_attr = "CHANGE_TIME"; - + excl_attr_strings.create_time_attr = "CREATE_TIME"; excl_attr_strings.access_time_attr = "ACCESS_TIME"; excl_attr_strings.write_time_attr = "WRITE_TIME"; @@ -776,28 +778,28 @@ cacl_get(SMBCCTX *context, attr_strings.access_time_attr = "A_TIME"; attr_strings.write_time_attr = "M_TIME"; attr_strings.change_time_attr = "C_TIME"; - + excl_attr_strings.create_time_attr = NULL; excl_attr_strings.access_time_attr = "dos_attr.A_TIME"; excl_attr_strings.write_time_attr = "dos_attr.M_TIME"; excl_attr_strings.change_time_attr = "dos_attr.C_TIME"; } - + /* Copy name so we can strip off exclusions (if any are specified) */ strncpy(name_sandbox, attr_name, sizeof(name_sandbox) - 1); - + /* Ensure name is null terminated */ name_sandbox[sizeof(name_sandbox) - 1] = '\0'; - + /* Play in the sandbox */ name = name_sandbox; - + /* If there are any exclusions, point to them and mask them from name */ if ((pExclude = strchr(name, '!')) != NULL) { *pExclude++ = '\0'; } - + all = (StrnCaseCmp(name, "system.*", 8) == 0); all_nt = (StrnCaseCmp(name, "system.nt_sec_desc.*", 20) == 0); all_nt_acls = (StrnCaseCmp(name, "system.nt_sec_desc.acl.*", 24) == 0); @@ -805,71 +807,77 @@ cacl_get(SMBCCTX *context, some_nt = (StrnCaseCmp(name, "system.nt_sec_desc.", 19) == 0); some_dos = (StrnCaseCmp(name, "system.dos_attr.", 16) == 0); numeric = (* (name + strlen(name) - 1) != '+'); - + /* Look for exclusions from "all" requests */ if (all || all_nt || all_dos) { - + /* Exclusions are delimited by '!' */ for (; pExclude != NULL; pExclude = (p == NULL ? NULL : p + 1)) { - - /* Find end of this exclusion name */ - if ((p = strchr(pExclude, '!')) != NULL) - { - *p = '\0'; - } - - /* Which exclusion name is this? */ - if (StrCaseCmp(pExclude, "nt_sec_desc.revision") == 0) { - exclude_nt_revision = True; - } - else if (StrCaseCmp(pExclude, "nt_sec_desc.owner") == 0) { - exclude_nt_owner = True; - } - else if (StrCaseCmp(pExclude, "nt_sec_desc.group") == 0) { - exclude_nt_group = True; - } - else if (StrCaseCmp(pExclude, "nt_sec_desc.acl") == 0) { - exclude_nt_acl = True; - } - else if (StrCaseCmp(pExclude, "dos_attr.mode") == 0) { - exclude_dos_mode = True; - } - else if (StrCaseCmp(pExclude, "dos_attr.size") == 0) { - exclude_dos_size = True; - } - else if (excl_attr_strings.create_time_attr != NULL && - StrCaseCmp(pExclude, - excl_attr_strings.change_time_attr) == 0) { - exclude_dos_create_time = True; - } - else if (StrCaseCmp(pExclude, - excl_attr_strings.access_time_attr) == 0) { - exclude_dos_access_time = True; - } - else if (StrCaseCmp(pExclude, - excl_attr_strings.write_time_attr) == 0) { - exclude_dos_write_time = True; - } - else if (StrCaseCmp(pExclude, - excl_attr_strings.change_time_attr) == 0) { - exclude_dos_change_time = True; - } - else if (StrCaseCmp(pExclude, "dos_attr.inode") == 0) { - exclude_dos_inode = True; - } - else { - DEBUG(5, ("cacl_get received unknown exclusion: %s\n", - pExclude)); - errno = ENOATTR; - return -1; + + /* Find end of this exclusion name */ + if ((p = strchr(pExclude, '!')) != NULL) + { + *p = '\0'; + } + + /* Which exclusion name is this? */ + if (StrCaseCmp(pExclude, + "nt_sec_desc.revision") == 0) { + exclude_nt_revision = True; + } + else if (StrCaseCmp(pExclude, + "nt_sec_desc.owner") == 0) { + exclude_nt_owner = True; + } + else if (StrCaseCmp(pExclude, + "nt_sec_desc.group") == 0) { + exclude_nt_group = True; + } + else if (StrCaseCmp(pExclude, + "nt_sec_desc.acl") == 0) { + exclude_nt_acl = True; + } + else if (StrCaseCmp(pExclude, + "dos_attr.mode") == 0) { + exclude_dos_mode = True; + } + else if (StrCaseCmp(pExclude, + "dos_attr.size") == 0) { + exclude_dos_size = True; + } + else if (excl_attr_strings.create_time_attr != NULL && + StrCaseCmp(pExclude, + excl_attr_strings.change_time_attr) == 0) { + exclude_dos_create_time = True; + } + else if (StrCaseCmp(pExclude, + excl_attr_strings.access_time_attr) == 0) { + exclude_dos_access_time = True; + } + else if (StrCaseCmp(pExclude, + excl_attr_strings.write_time_attr) == 0) { + exclude_dos_write_time = True; + } + else if (StrCaseCmp(pExclude, + excl_attr_strings.change_time_attr) == 0) { + exclude_dos_change_time = True; + } + else if (StrCaseCmp(pExclude, "dos_attr.inode") == 0) { + exclude_dos_inode = True; + } + else { + DEBUG(5, ("cacl_get received unknown exclusion: %s\n", + pExclude)); + errno = ENOATTR; + return -1; + } } - } } - + n_used = 0; - + /* * If we are (possibly) talking to an NT or new system and some NT * attributes have been requested... @@ -877,28 +885,28 @@ cacl_get(SMBCCTX *context, if (ipc_cli && (all || some_nt || all_nt_acls)) { /* Point to the portion after "system.nt_sec_desc." */ name += 19; /* if (all) this will be invalid but unused */ - + /* ... then obtain any NT attributes which were requested */ fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ); - + if (fnum == -1) { DEBUG(5, ("cacl_get failed to open %s: %s\n", filename, cli_errstr(cli))); errno = 0; return -1; } - + sd = cli_query_secdesc(cli, fnum, ctx); - + if (!sd) { DEBUG(5, ("cacl_get Failed to query old descriptor\n")); errno = 0; return -1; } - + cli_close(cli, fnum); - + if (! exclude_nt_revision) { if (all || all_nt) { if (determine_size) { @@ -929,7 +937,7 @@ cacl_get(SMBCCTX *context, sd->revision); } } - + if (!determine_size && n > bufsize) { errno = ERANGE; return -1; @@ -939,7 +947,7 @@ cacl_get(SMBCCTX *context, bufsize -= n; n = 0; } - + if (! exclude_nt_owner) { /* Get owner and group sid */ if (sd->owner_sid) { @@ -950,7 +958,7 @@ cacl_get(SMBCCTX *context, } else { fstrcpy(sidstr, ""); } - + if (all || all_nt) { if (determine_size) { p = talloc_asprintf(ctx, ",OWNER:%s", @@ -977,7 +985,7 @@ cacl_get(SMBCCTX *context, sidstr); } } - + if (!determine_size && n > bufsize) { errno = ERANGE; return -1; @@ -987,7 +995,7 @@ cacl_get(SMBCCTX *context, bufsize -= n; n = 0; } - + if (! exclude_nt_group) { if (sd->group_sid) { convert_sid_to_string(ipc_cli, pol, @@ -996,7 +1004,7 @@ cacl_get(SMBCCTX *context, } else { fstrcpy(sidstr, ""); } - + if (all || all_nt) { if (determine_size) { p = talloc_asprintf(ctx, ",GROUP:%s", @@ -1023,7 +1031,7 @@ cacl_get(SMBCCTX *context, "%s", sidstr); } } - + if (!determine_size && n > bufsize) { errno = ERANGE; return -1; @@ -1033,16 +1041,16 @@ cacl_get(SMBCCTX *context, bufsize -= n; n = 0; } - + if (! exclude_nt_acl) { /* Add aces to value buffer */ for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) { - + SEC_ACE *ace = &sd->dacl->aces[i]; convert_sid_to_string(ipc_cli, pol, sidstr, numeric, &ace->trustee); - + if (all || all_nt) { if (determine_size) { p = talloc_asprintf( @@ -1125,15 +1133,15 @@ cacl_get(SMBCCTX *context, n = 0; } } - + /* Restore name pointer to its original value */ name -= 19; } - + if (all || some_dos) { /* Point to the portion after "system.dos_attr." */ name += 16; /* if (all) this will be invalid but unused */ - + /* Obtain the DOS attributes */ if (!SMBC_getatr(context, srv, filename, &mode, &size, &create_time_ts, @@ -1141,17 +1149,17 @@ cacl_get(SMBCCTX *context, &write_time_ts, &change_time_ts, &ino)) { - + errno = SMBC_errno(context, srv->cli); return -1; - + } - + create_time = convert_timespec_to_time_t(create_time_ts); access_time = convert_timespec_to_time_t(access_time_ts); write_time = convert_timespec_to_time_t(write_time_ts); change_time = convert_timespec_to_time_t(change_time_ts); - + if (! exclude_dos_mode) { if (all || all_dos) { if (determine_size) { @@ -1189,7 +1197,7 @@ cacl_get(SMBCCTX *context, "0x%x", mode); } } - + if (!determine_size && n > bufsize) { errno = ERANGE; return -1; @@ -1199,7 +1207,7 @@ cacl_get(SMBCCTX *context, bufsize -= n; n = 0; } - + if (! exclude_dos_size) { if (all || all_dos) { if (determine_size) { @@ -1234,7 +1242,7 @@ cacl_get(SMBCCTX *context, (double)size); } } - + if (!determine_size && n > bufsize) { errno = ERANGE; return -1; @@ -1244,7 +1252,7 @@ cacl_get(SMBCCTX *context, bufsize -= n; n = 0; } - + if (! exclude_dos_create_time && attr_strings.create_time_attr != NULL) { if (all || all_dos) { @@ -1277,7 +1285,7 @@ cacl_get(SMBCCTX *context, "%lu", create_time); } } - + if (!determine_size && n > bufsize) { errno = ERANGE; return -1; @@ -1287,7 +1295,7 @@ cacl_get(SMBCCTX *context, bufsize -= n; n = 0; } - + if (! exclude_dos_access_time) { if (all || all_dos) { if (determine_size) { @@ -1319,7 +1327,7 @@ cacl_get(SMBCCTX *context, "%lu", access_time); } } - + if (!determine_size && n > bufsize) { errno = ERANGE; return -1; @@ -1329,7 +1337,7 @@ cacl_get(SMBCCTX *context, bufsize -= n; n = 0; } - + if (! exclude_dos_write_time) { if (all || all_dos) { if (determine_size) { @@ -1361,7 +1369,7 @@ cacl_get(SMBCCTX *context, "%lu", write_time); } } - + if (!determine_size && n > bufsize) { errno = ERANGE; return -1; @@ -1371,7 +1379,7 @@ cacl_get(SMBCCTX *context, bufsize -= n; n = 0; } - + if (! exclude_dos_change_time) { if (all || all_dos) { if (determine_size) { @@ -1403,7 +1411,7 @@ cacl_get(SMBCCTX *context, "%lu", change_time); } } - + if (!determine_size && n > bufsize) { errno = ERANGE; return -1; @@ -1413,7 +1421,7 @@ cacl_get(SMBCCTX *context, bufsize -= n; n = 0; } - + if (! exclude_dos_inode) { if (all || all_dos) { if (determine_size) { @@ -1448,7 +1456,7 @@ cacl_get(SMBCCTX *context, (double) ino); } } - + if (!determine_size && n > bufsize) { errno = ERANGE; return -1; @@ -1458,16 +1466,16 @@ cacl_get(SMBCCTX *context, bufsize -= n; n = 0; } - + /* Restore name pointer to its original value */ name -= 16; } - + if (n_used == 0) { errno = ENOATTR; return -1; } - + return n_used; } @@ -1495,68 +1503,68 @@ cacl_set(TALLOC_CTX *ctx, int ret = 0; char *p; bool numeric = True; - + /* the_acl will be null for REMOVE_ALL operations */ if (the_acl) { numeric = ((p = strchr(the_acl, ':')) != NULL && p > the_acl && p[-1] != '+'); - + /* if this is to set the entire ACL... */ if (*the_acl == '*') { /* ... then increment past the first colon */ the_acl = p + 1; } - + sd = sec_desc_parse(ctx, ipc_cli, pol, numeric, CONST_DISCARD(char *, the_acl)); - + if (!sd) { errno = EINVAL; return -1; } } - + /* SMBC_XATTR_MODE_REMOVE_ALL is the only caller that doesn't deref sd */ - + if (!sd && (mode != SMBC_XATTR_MODE_REMOVE_ALL)) { errno = EINVAL; return -1; } - + /* The desired access below is the only one I could find that works with NT4, W2KP and Samba */ - + fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ); - + if (fnum == -1) { DEBUG(5, ("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli))); errno = 0; return -1; } - + old = cli_query_secdesc(cli, fnum, ctx); - + if (!old) { DEBUG(5, ("cacl_set Failed to query old descriptor\n")); errno = 0; return -1; } - + cli_close(cli, fnum); - + switch (mode) { case SMBC_XATTR_MODE_REMOVE_ALL: old->dacl->num_aces = 0; dacl = old->dacl; break; - + case SMBC_XATTR_MODE_REMOVE: for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) { bool found = False; - + for (j=0;old->dacl && j<old->dacl->num_aces;j++) { if (sec_ace_equal(&sd->dacl->aces[i], &old->dacl->aces[j])) { @@ -1571,7 +1579,7 @@ cacl_set(TALLOC_CTX *ctx, break; } } - + if (!found) { err = ENOATTR; ret = -1; @@ -1579,11 +1587,11 @@ cacl_set(TALLOC_CTX *ctx, } } break; - + case SMBC_XATTR_MODE_ADD: for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) { bool found = False; - + for (j=0;old->dacl && j<old->dacl->num_aces;j++) { if (sid_equal(&sd->dacl->aces[i].trustee, &old->dacl->aces[j].trustee)) { @@ -1597,67 +1605,67 @@ cacl_set(TALLOC_CTX *ctx, found = True; } } - + if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) { err = ENOATTR; ret = -1; goto failed; } - + for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) { add_ace(&old->dacl, &sd->dacl->aces[i], ctx); } } dacl = old->dacl; break; - + case SMBC_XATTR_MODE_SET: old = sd; owner_sid = old->owner_sid; group_sid = old->group_sid; dacl = old->dacl; break; - + case SMBC_XATTR_MODE_CHOWN: owner_sid = sd->owner_sid; break; - + case SMBC_XATTR_MODE_CHGRP: group_sid = sd->group_sid; break; } - + /* Denied ACE entries must come before allowed ones */ sort_acl(old->dacl); - + /* Create new security descriptor and set it */ sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE, owner_sid, group_sid, NULL, dacl, &sd_size); - + fnum = cli_nt_create(cli, filename, WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS); - + if (fnum == -1) { DEBUG(5, ("cacl_set failed to open %s: %s\n", filename, cli_errstr(cli))); errno = 0; return -1; } - + if (!cli_set_secdesc(cli, fnum, sd)) { DEBUG(5, ("ERROR: secdesc set failed: %s\n", cli_errstr(cli))); ret = -1; } - + /* Clean up */ - - failed: + +failed: cli_close(cli, fnum); - + if (err != 0) { errno = err; } - + return ret; } @@ -1688,38 +1696,38 @@ SMBC_setxattr_ctx(SMBCCTX *context, const char * change_time_attr; } attr_strings; TALLOC_CTX *frame = talloc_stackframe(); - + if (!context || !context->internal->initialized) { - + errno = EINVAL; /* Best I can think of ... */ TALLOC_FREE(frame); return -1; } - + if (!fname) { errno = EINVAL; TALLOC_FREE(frame); return -1; } - + DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n", fname, name, (int) size, (const char*)value)); - + if (SMBC_parse_path(frame, - context, - fname, - &workgroup, - &server, - &share, - &path, - &user, - &password, - NULL)) { + context, + fname, + &workgroup, + &server, + &share, + &path, + &user, + &password, + NULL)) { errno = EINVAL; TALLOC_FREE(frame); return -1; } - + if (!user || user[0] == (char)0) { user = talloc_strdup(frame, context->config.user); if (!user) { @@ -1728,14 +1736,14 @@ SMBC_setxattr_ctx(SMBCCTX *context, return -1; } } - + srv = SMBC_server(frame, context, True, server, share, &workgroup, &user, &password); if (!srv) { TALLOC_FREE(frame); return -1; /* errno set by SMBC_server */ } - + if (! srv->no_nt_session) { ipc_srv = SMBC_attr_server(frame, context, server, share, &workgroup, &user, &password); @@ -1745,7 +1753,7 @@ SMBC_setxattr_ctx(SMBCCTX *context, } else { ipc_srv = NULL; } - + /* * Are they asking to set the entire set of known attributes? */ @@ -1761,7 +1769,7 @@ SMBC_setxattr_ctx(SMBCCTX *context, TALLOC_FREE(frame); return -1; } - + if (ipc_srv) { ret = cacl_set(talloc_tos(), srv->cli, ipc_srv->cli, &ipc_srv->pol, path, @@ -1773,13 +1781,13 @@ SMBC_setxattr_ctx(SMBCCTX *context, } else { ret = 0; } - + /* get a DOS Attribute Descriptor with current attributes */ dad = dos_attr_query(context, talloc_tos(), path, srv); if (dad) { /* Overwrite old with new, using what was provided */ dos_attr_parse(context, dad, srv, namevalue); - + /* Set the new DOS attributes */ if (! SMBC_setatr(context, srv, path, dad->create_time, @@ -1787,12 +1795,12 @@ SMBC_setxattr_ctx(SMBCCTX *context, dad->write_time, dad->change_time, dad->mode)) { - + /* cause failure if NT failed too */ dad = NULL; } } - + /* we only fail if both NT and DOS sets failed */ if (ret < 0 && ! dad) { ret = -1; /* in case dad was null */ @@ -1800,11 +1808,11 @@ SMBC_setxattr_ctx(SMBCCTX *context, else { ret = 0; } - + TALLOC_FREE(frame); return ret; } - + /* * Are they asking to set an access control element or to set * the entire access control list? @@ -1814,12 +1822,12 @@ SMBC_setxattr_ctx(SMBCCTX *context, StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 || StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 || StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) { - + /* Yup. */ char *namevalue = talloc_asprintf(talloc_tos(), "%s:%s", name+19, (const char *) value); - + if (! ipc_srv) { ret = -1; /* errno set by SMBC_server() */ } @@ -1838,18 +1846,18 @@ SMBC_setxattr_ctx(SMBCCTX *context, TALLOC_FREE(frame); return ret; } - + /* * Are they asking to set the owner? */ if (StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 || StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0) { - + /* Yup. */ char *namevalue = talloc_asprintf(talloc_tos(), "%s:%s", name+19, (const char *) value); - + if (! ipc_srv) { ret = -1; /* errno set by SMBC_server() */ } @@ -1864,18 +1872,18 @@ SMBC_setxattr_ctx(SMBCCTX *context, TALLOC_FREE(frame); return ret; } - + /* * Are they asking to set the group? */ if (StrCaseCmp(name, "system.nt_sec_desc.group") == 0 || StrCaseCmp(name, "system.nt_sec_desc.group+") == 0) { - + /* Yup. */ char *namevalue = talloc_asprintf(talloc_tos(), "%s:%s", name+19, (const char *) value); - + if (! ipc_srv) { /* errno set by SMBC_server() */ ret = -1; @@ -1891,7 +1899,7 @@ SMBC_setxattr_ctx(SMBCCTX *context, TALLOC_FREE(frame); return ret; } - + /* Determine whether to use old-style or new-style attribute names */ if (context->internal->full_time_names) { /* new-style names */ @@ -1906,7 +1914,7 @@ SMBC_setxattr_ctx(SMBCCTX *context, attr_strings.write_time_attr = "system.dos_attr.M_TIME"; attr_strings.change_time_attr = "system.dos_attr.C_TIME"; } - + /* * Are they asking to set a DOS attribute? */ @@ -1917,7 +1925,7 @@ SMBC_setxattr_ctx(SMBCCTX *context, StrCaseCmp(name, attr_strings.access_time_attr) == 0 || StrCaseCmp(name, attr_strings.write_time_attr) == 0 || StrCaseCmp(name, attr_strings.change_time_attr) == 0) { - + /* get a DOS Attribute Descriptor with current attributes */ dad = dos_attr_query(context, talloc_tos(), path, srv); if (dad) { @@ -1930,7 +1938,7 @@ SMBC_setxattr_ctx(SMBCCTX *context, } else { /* Overwrite old with provided new params */ dos_attr_parse(context, dad, srv, namevalue); - + /* Set the new DOS attributes */ ret2 = SMBC_setatr(context, srv, path, dad->create_time, @@ -1938,7 +1946,7 @@ SMBC_setxattr_ctx(SMBCCTX *context, dad->write_time, dad->change_time, dad->mode); - + /* ret2 has True (success) / False (failure) */ if (ret2) { ret = 0; @@ -1949,11 +1957,11 @@ SMBC_setxattr_ctx(SMBCCTX *context, } else { ret = -1; } - + TALLOC_FREE(frame); return ret; } - + /* Unsupported attribute name */ errno = EINVAL; TALLOC_FREE(frame); @@ -1983,37 +1991,37 @@ SMBC_getxattr_ctx(SMBCCTX *context, const char * change_time_attr; } attr_strings; TALLOC_CTX *frame = talloc_stackframe(); - + if (!context || !context->internal->initialized) { - + errno = EINVAL; /* Best I can think of ... */ TALLOC_FREE(frame); return -1; } - + if (!fname) { errno = EINVAL; TALLOC_FREE(frame); return -1; } - + DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name)); - + if (SMBC_parse_path(frame, - context, - fname, - &workgroup, - &server, - &share, - &path, - &user, - &password, - NULL)) { + context, + fname, + &workgroup, + &server, + &share, + &path, + &user, + &password, + NULL)) { errno = EINVAL; TALLOC_FREE(frame); return -1; } - + if (!user || user[0] == (char)0) { user = talloc_strdup(frame, context->config.user); if (!user) { @@ -2022,14 +2030,14 @@ SMBC_getxattr_ctx(SMBCCTX *context, return -1; } } - + srv = SMBC_server(frame, context, True, server, share, &workgroup, &user, &password); if (!srv) { TALLOC_FREE(frame); return -1; /* errno set by SMBC_server */ } - + if (! srv->no_nt_session) { ipc_srv = SMBC_attr_server(frame, context, server, share, &workgroup, &user, &password); @@ -2039,7 +2047,7 @@ SMBC_getxattr_ctx(SMBCCTX *context, } else { ipc_srv = NULL; } - + /* Determine whether to use old-style or new-style attribute names */ if (context->internal->full_time_names) { /* new-style names */ @@ -2054,7 +2062,7 @@ SMBC_getxattr_ctx(SMBCCTX *context, attr_strings.write_time_attr = "system.dos_attr.M_TIME"; attr_strings.change_time_attr = "system.dos_attr.C_TIME"; } - + /* Are they requesting a supported attribute? */ if (StrCaseCmp(name, "system.*") == 0 || StrnCaseCmp(name, "system.*!", 9) == 0 || @@ -2081,7 +2089,7 @@ SMBC_getxattr_ctx(SMBCCTX *context, StrCaseCmp(name, attr_strings.write_time_attr) == 0 || StrCaseCmp(name, attr_strings.change_time_attr) == 0 || StrCaseCmp(name, "system.dos_attr.inode") == 0) { - + /* Yup. */ ret = cacl_get(context, talloc_tos(), srv, ipc_srv == NULL ? NULL : ipc_srv->cli, @@ -2094,7 +2102,7 @@ SMBC_getxattr_ctx(SMBCCTX *context, TALLOC_FREE(frame); return ret; } - + /* Unsupported attribute name */ errno = EINVAL; TALLOC_FREE(frame); @@ -2117,37 +2125,37 @@ SMBC_removexattr_ctx(SMBCCTX *context, char *workgroup = NULL; char *path = NULL; TALLOC_CTX *frame = talloc_stackframe(); - + if (!context || !context->internal->initialized) { - + errno = EINVAL; /* Best I can think of ... */ TALLOC_FREE(frame); return -1; } - + if (!fname) { errno = EINVAL; TALLOC_FREE(frame); return -1; } - + DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name)); - + if (SMBC_parse_path(frame, - context, - fname, - &workgroup, - &server, - &share, - &path, - &user, - &password, - NULL)) { + context, + fname, + &workgroup, + &server, + &share, + &path, + &user, + &password, + NULL)) { errno = EINVAL; TALLOC_FREE(frame); return -1; } - + if (!user || user[0] == (char)0) { user = talloc_strdup(frame, context->config.user); if (!user) { @@ -2156,14 +2164,14 @@ SMBC_removexattr_ctx(SMBCCTX *context, return -1; } } - + srv = SMBC_server(frame, context, True, server, share, &workgroup, &user, &password); if (!srv) { TALLOC_FREE(frame); return -1; /* errno set by SMBC_server */ } - + if (! srv->no_nt_session) { ipc_srv = SMBC_attr_server(frame, context, server, share, &workgroup, &user, &password); @@ -2173,16 +2181,16 @@ SMBC_removexattr_ctx(SMBCCTX *context, } else { ipc_srv = NULL; } - + if (! ipc_srv) { TALLOC_FREE(frame); return -1; /* errno set by SMBC_attr_server */ } - + /* Are they asking to set the entire ACL? */ if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 || StrCaseCmp(name, "system.nt_sec_desc.*+") == 0) { - + /* Yup. */ ret = cacl_set(talloc_tos(), srv->cli, ipc_srv->cli, &ipc_srv->pol, path, @@ -2190,7 +2198,7 @@ SMBC_removexattr_ctx(SMBCCTX *context, TALLOC_FREE(frame); return ret; } - + /* * Are they asking to remove one or more spceific security descriptor * attributes? @@ -2202,7 +2210,7 @@ SMBC_removexattr_ctx(SMBCCTX *context, StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 || StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 || StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) { - + /* Yup. */ ret = cacl_set(talloc_tos(), srv->cli, ipc_srv->cli, &ipc_srv->pol, path, @@ -2210,7 +2218,7 @@ SMBC_removexattr_ctx(SMBCCTX *context, TALLOC_FREE(frame); return ret; } - + /* Unsupported attribute name */ errno = EINVAL; TALLOC_FREE(frame); @@ -2269,7 +2277,7 @@ SMBC_listxattr_ctx(SMBCCTX *context, "system.dos_attr.change_time\0" ; const char * supported; - + if (context->internal->full_time_names) { supported = supported_new; retsize = sizeof(supported_new); @@ -2277,16 +2285,16 @@ SMBC_listxattr_ctx(SMBCCTX *context, supported = supported_old; retsize = sizeof(supported_old); } - + if (size == 0) { return retsize; } - + if (retsize > size) { errno = ERANGE; return -1; } - + /* this can't be strcpy() because there are embedded null characters */ memcpy(list, supported, retsize); return retsize; |