[SCM] Samba Shared Repository - branch master updated
Andrew Bartlett
abartlet at samba.org
Thu Feb 20 18:50:05 MST 2014
The branch, master has been updated
via 913b2a1 clitar: don't panic, propagate talloc errors upwards
via 83a653f clitar: propagate make_remote_path() talloc errors
via 55de6d6 clitar: return allocation errors from is_subpath()
via 8522597 clitar: add error return to tar_path_in_list()
via 6d5b56d clitar: add error return to tar_extract_skip_path()
via 4d9e1b6 clitar: add error return to tar_create_skip_path()
via 385f0c9 clitar: check for path_base_name() allocation errors
from 72696c3 lib: Fix a typo
http://gitweb.samba.org/?p=samba.git;a=shortlog;h=master
- Log -----------------------------------------------------------------
commit 913b2a172d74b60bb5a7396eb09ad4af4b748021
Author: David Disseldorp <ddiss at samba.org>
Date: Thu Feb 20 19:47:50 2014 +0100
clitar: don't panic, propagate talloc errors upwards
Signed-off-by: David Disseldorp <ddiss at samba.org>
Reviewed-by: Andrew Bartlett <abartlet at samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet at samba.org>
Autobuild-Date(master): Fri Feb 21 02:49:36 CET 2014 on sn-devel-104
commit 83a653fadbdb3167ac53b51b2694d2fd6baf962b
Author: David Disseldorp <ddiss at samba.org>
Date: Thu Feb 20 19:47:49 2014 +0100
clitar: propagate make_remote_path() talloc errors
Signed-off-by: David Disseldorp <ddiss at samba.org>
Reviewed-by: Andrew Bartlett <abartlet at samba.org>
commit 55de6d60ef72b105883117b36963a7a145268223
Author: David Disseldorp <ddiss at samba.org>
Date: Thu Feb 20 19:47:48 2014 +0100
clitar: return allocation errors from is_subpath()
Signed-off-by: David Disseldorp <ddiss at samba.org>
Reviewed-by: Andrew Bartlett <abartlet at samba.org>
commit 852259773b4a2ab63ed6df2b41fa73eb22ba81c4
Author: David Disseldorp <ddiss at samba.org>
Date: Thu Feb 20 19:47:47 2014 +0100
clitar: add error return to tar_path_in_list()
In preparation for propagation of memory allocation errors from
is_subpath().
Signed-off-by: David Disseldorp <ddiss at samba.org>
Reviewed-by: Andrew Bartlett <abartlet at samba.org>
commit 6d5b56dc7ab8b957af58c584d91ac4864156ced2
Author: David Disseldorp <ddiss at samba.org>
Date: Thu Feb 20 19:47:46 2014 +0100
clitar: add error return to tar_extract_skip_path()
Signed-off-by: David Disseldorp <ddiss at samba.org>
Reviewed-by: Andrew Bartlett <abartlet at samba.org>
commit 4d9e1b68b7b636a435f55c25df9ab8f51922b36e
Author: David Disseldorp <ddiss at samba.org>
Date: Thu Feb 20 19:47:45 2014 +0100
clitar: add error return to tar_create_skip_path()
In preparation for propagation of memory allocation errors from
tar_path_in_list() and friends.
Signed-off-by: David Disseldorp <ddiss at samba.org>
Reviewed-by: Andrew Bartlett <abartlet at samba.org>
commit 385f0c9ea05a0f37388cf549102fc13ef9e6691a
Author: David Disseldorp <ddiss at samba.org>
Date: Thu Feb 20 19:47:44 2014 +0100
clitar: check for path_base_name() allocation errors
Add a separate NTSTATUS return code, as base string may be NULL on
successful return.
Signed-off-by: David Disseldorp <ddiss at samba.org>
Reviewed-by: Andrew Bartlett <abartlet at samba.org>
-----------------------------------------------------------------------
Summary of changes:
source3/client/clitar.c | 416 +++++++++++++++++++++++++++++++++--------------
1 files changed, 295 insertions(+), 121 deletions(-)
Changeset truncated at 500 lines:
diff --git a/source3/client/clitar.c b/source3/client/clitar.c
index ab41cd0..e4d391a 100644
--- a/source3/client/clitar.c
+++ b/source3/client/clitar.c
@@ -80,24 +80,10 @@
/* prepend module name and line number to debug messages */
#define DBG(a, b) (DEBUG(a, ("tar:%-4d ", __LINE__)), DEBUG(a, b))
-/* preprocessor magic to strigify __LINE__ (int) */
+/* preprocessor magic to stringify __LINE__ (int) */
#define STR1(x) #x
#define STR2(x) STR1(x)
-/* helper macro to die in case of NULL pointer */
-#define PANIC_IF_NULL(x) \
- _panic_if_null(x, __FILE__ ":" STR2(__LINE__) " (" #x ") == NULL\n")
-
-/* prototype to silent gcc warning */
-static inline void* _panic_if_null(void *p, const char *expr);
-static inline void* _panic_if_null(void *p, const char *expr)
-{
- if (p == NULL) {
- smb_panic(expr);
- }
- return p;
-}
-
/**
* Number of byte in a block unit.
*/
@@ -199,18 +185,20 @@ static int tar_read_inclusion_file(struct tar *t, const char* filename);
static int tar_send_file(struct tar *t, struct archive_entry *entry);
static int tar_set_blocksize(struct tar *t, int size);
static int tar_set_newer_than(struct tar *t, const char *filename);
-static void tar_add_selection_path(struct tar *t, const char *path);
+static NTSTATUS tar_add_selection_path(struct tar *t, const char *path);
static void tar_dump(struct tar *t);
-static bool tar_extract_skip_path(struct tar *t, struct archive_entry *entry);
+static NTSTATUS tar_extract_skip_path(struct tar *t,
+ struct archive_entry *entry,
+ bool *_skip);
static TALLOC_CTX *tar_reset_mem_context(struct tar *t);
static void tar_free_mem_context(struct tar *t);
-static bool tar_create_skip_path(struct tar *t,
- const char *fullpath,
- const struct file_info *finfo);
+static NTSTATUS tar_create_skip_path(struct tar *t,
+ const char *fullpath,
+ const struct file_info *finfo,
+ bool *_skip);
-static bool tar_path_in_list(struct tar *t,
- const char *path,
- bool reverse);
+static NTSTATUS tar_path_in_list(struct tar *t, const char *path,
+ bool reverse, bool *_is_in_list);
static int tar_get_file(struct tar *t,
const char *full_dos_path,
@@ -222,11 +210,12 @@ static NTSTATUS get_file_callback(struct cli_state *cli,
/* utilities */
static char *fix_unix_path(char *path, bool removeprefix);
-static char *path_base_name(const char *path);
+static NTSTATUS path_base_name(TALLOC_CTX *ctx, const char *path, char **_base);
static const char* skip_useless_char_in_path(const char *p);
static int make_remote_path(const char *full_path);
static int max_token (const char *str);
-static bool is_subpath(const char *sub, const char *full);
+static NTSTATUS is_subpath(const char *sub, const char *full,
+ bool *_subpath_match);
static int set_remote_attr(const char *filename, uint16 new_attr, int mode);
/**
@@ -248,9 +237,12 @@ int cmd_block(void)
/* XXX: from client.c */
const extern char *cmd_ptr;
char *buf;
- TALLOC_CTX *ctx = PANIC_IF_NULL(talloc_new(NULL));
int err = 0;
bool ok;
+ TALLOC_CTX *ctx = talloc_new(NULL);
+ if (ctx == NULL) {
+ return 1;
+ }
ok = next_token_talloc(ctx, &cmd_ptr, &buf, NULL);
if (!ok) {
@@ -284,7 +276,7 @@ int cmd_tarmode(void)
const extern char *cmd_ptr;
char *buf;
int i;
- TALLOC_CTX *ctx = PANIC_IF_NULL(talloc_new(NULL));
+ TALLOC_CTX *ctx;
struct {
const char *cmd;
@@ -305,6 +297,11 @@ int cmd_tarmode(void)
{"noverbose", &tar_ctx.mode.verbose, false},
};
+ ctx = talloc_new(NULL);
+ if (ctx == NULL) {
+ return 1;
+ }
+
while (next_token_talloc(ctx, &cmd_ptr, &buf, NULL)) {
for (i = 0; i < ARRAY_SIZE(table); i++) {
if (strequal(table[i].cmd, buf)) {
@@ -335,7 +332,6 @@ int cmd_tarmode(void)
*/
int cmd_tar(void)
{
- TALLOC_CTX *ctx = PANIC_IF_NULL(talloc_new(NULL));
const extern char *cmd_ptr;
const char *flag;
const char **val;
@@ -345,6 +341,10 @@ int cmd_tar(void)
int err = 0;
bool ok;
int rc;
+ TALLOC_CTX *ctx = talloc_new(NULL);
+ if (ctx == NULL) {
+ return 1;
+ }
ok = next_token_talloc(ctx, &cmd_ptr, &buf, NULL);
if (!ok) {
@@ -354,7 +354,11 @@ int cmd_tar(void)
}
flag = buf;
- val = PANIC_IF_NULL(talloc_array(ctx, const char*, maxtok));
+ val = talloc_array(ctx, const char *, maxtok);
+ if (val == NULL) {
+ err = 1;
+ goto out;
+ }
while (next_token_talloc(ctx, &cmd_ptr, &buf, NULL)) {
val[i++] = buf;
@@ -392,10 +396,12 @@ int cmd_setmode(void)
char *fname = NULL;
uint16 attr[2] = {0};
int mode = ATTR_SET;
- TALLOC_CTX *ctx = PANIC_IF_NULL(talloc_new(NULL));
int err = 0;
bool ok;
-
+ TALLOC_CTX *ctx = talloc_new(NULL);
+ if (ctx == NULL) {
+ return 1;
+ }
ok = next_token_talloc(ctx, &cmd_ptr, &buf, NULL);
if (!ok) {
@@ -404,10 +410,10 @@ int cmd_setmode(void)
goto out;
}
- fname = PANIC_IF_NULL(talloc_asprintf(ctx,
+ fname = talloc_asprintf(ctx,
"%s%s",
client_get_cur_dir(),
- buf));
+ buf);
if (fname == NULL) {
err = 1;
goto out;
@@ -503,6 +509,9 @@ int tar_parse_args(struct tar* t,
}
ctx = tar_reset_mem_context(t);
+ if (ctx == NULL) {
+ return 1;
+ }
/*
* Reset back some options - could be from interactive version
* all other modes are left as they are
@@ -635,7 +644,10 @@ int tar_parse_args(struct tar* t,
}
/* handle TARFILE */
- t->tar_path = PANIC_IF_NULL(talloc_strdup(ctx, val[ival]));
+ t->tar_path = talloc_strdup(ctx, val[ival]);
+ if (t->tar_path == NULL) {
+ return 1;
+ }
ival++;
/*
@@ -664,7 +676,11 @@ int tar_parse_args(struct tar* t,
} else {
int i;
for (i = ival; i < valsize; i++) {
- tar_add_selection_path(t, val[i]);
+ NTSTATUS status;
+ status = tar_add_selection_path(t, val[i]);
+ if (!NT_STATUS_IS_OK(status)) {
+ return 1;
+ }
}
}
@@ -710,11 +726,14 @@ int tar_process(struct tar *t)
*/
static int tar_create(struct tar* t)
{
- TALLOC_CTX *ctx = PANIC_IF_NULL(talloc_new(NULL));
int r;
int err = 0;
NTSTATUS status;
const char *mask;
+ TALLOC_CTX *ctx = talloc_new(NULL);
+ if (ctx == NULL) {
+ return 1;
+ }
t->archive = archive_write_new();
@@ -763,8 +782,11 @@ static int tar_create(struct tar* t)
goto out_close;
}
} else {
- mask = PANIC_IF_NULL(talloc_asprintf(ctx, "%s\\*",
- client_get_cur_dir()));
+ mask = talloc_asprintf(ctx, "%s\\*", client_get_cur_dir());
+ if (mask == NULL) {
+ err = 1;
+ goto out_close;
+ }
DBG(5, ("tar_process do_list with mask: %s\n", mask));
status = do_list(mask, TAR_DO_LIST_ATTR, get_file_callback, false, true);
if (!NT_STATUS_IS_OK(status)) {
@@ -796,26 +818,47 @@ out:
*/
static int tar_create_from_list(struct tar *t)
{
- TALLOC_CTX *ctx = PANIC_IF_NULL(talloc_new(NULL));
int err = 0;
NTSTATUS status;
- const char *path, *mask, *base, *start_dir;
+ char *base;
+ const char *path, *mask, *start_dir;
int i;
+ TALLOC_CTX *ctx = talloc_new(NULL);
+ if (ctx == NULL) {
+ return 1;
+ }
start_dir = talloc_strdup(ctx, client_get_cur_dir());
+ if (start_dir == NULL) {
+ err = 1;
+ goto out;
+ }
for (i = 0; i < t->path_list_size; i++) {
path = t->path_list[i];
- base = path_base_name(path);
- mask = PANIC_IF_NULL(talloc_asprintf(ctx, "%s\\%s",
- client_get_cur_dir(), path));
+ base = NULL;
+ status = path_base_name(ctx, path, &base);
+ if (!NT_STATUS_IS_OK(status)) {
+ err = 1;
+ goto out;
+ }
+ mask = talloc_asprintf(ctx, "%s\\%s",
+ client_get_cur_dir(), path);
+ if (mask == NULL) {
+ err = 1;
+ goto out;
+ }
DBG(5, ("incl. path='%s', base='%s', mask='%s'\n",
path, base ? base : "NULL", mask));
if (base != NULL) {
base = talloc_asprintf(ctx, "%s%s\\",
- client_get_cur_dir(), path_base_name(path));
+ client_get_cur_dir(), base);
+ if (base == NULL) {
+ err = 1;
+ goto out;
+ }
DBG(5, ("cd '%s' before do_list\n", base));
client_set_cur_dir(base);
}
@@ -846,22 +889,34 @@ static NTSTATUS get_file_callback(struct cli_state *cli,
struct file_info *finfo,
const char *dir)
{
- TALLOC_CTX *ctx = PANIC_IF_NULL(talloc_new(NULL));
- NTSTATUS err = NT_STATUS_OK;
+ NTSTATUS status = NT_STATUS_OK;
char *remote_name;
const char *initial_dir = client_get_cur_dir();
+ bool skip = false;
int rc;
+ TALLOC_CTX *ctx = talloc_new(NULL);
+ if (ctx == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
- remote_name = PANIC_IF_NULL(talloc_asprintf(ctx, "%s%s",
- initial_dir, finfo->name));
+ remote_name = talloc_asprintf(ctx, "%s%s", initial_dir, finfo->name);
+ if (remote_name == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
if (strequal(finfo->name, "..") || strequal(finfo->name, ".")) {
goto out;
}
- rc = tar_create_skip_path(&tar_ctx, remote_name, finfo);
- if (rc != 0) {
+ status = tar_create_skip_path(&tar_ctx, remote_name, finfo, &skip);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto out;
+ }
+
+ if (skip) {
DBG(5, ("--- %s\n", remote_name));
+ status = NT_STATUS_OK;
goto out;
}
@@ -870,14 +925,22 @@ static NTSTATUS get_file_callback(struct cli_state *cli,
char *new_dir;
char *mask;
- old_dir = PANIC_IF_NULL(talloc_strdup(ctx, initial_dir));
- new_dir = PANIC_IF_NULL(talloc_asprintf(ctx, "%s%s\\",
- initial_dir, finfo->name));
- mask = PANIC_IF_NULL(talloc_asprintf(ctx, "%s*", new_dir));
+ old_dir = talloc_strdup(ctx, initial_dir);
+ new_dir = talloc_asprintf(ctx, "%s%s\\",
+ initial_dir, finfo->name);
+ if ((old_dir == NULL) || (new_dir == NULL)) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
+ mask = talloc_asprintf(ctx, "%s*", new_dir);
+ if (mask == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
+ }
rc = tar_get_file(&tar_ctx, remote_name, finfo);
if (rc != 0) {
- err = NT_STATUS_UNSUCCESSFUL;
+ status = NT_STATUS_UNSUCCESSFUL;
goto out;
}
@@ -887,14 +950,14 @@ static NTSTATUS get_file_callback(struct cli_state *cli,
} else {
rc = tar_get_file(&tar_ctx, remote_name, finfo);
if (rc != 0) {
- err = NT_STATUS_UNSUCCESSFUL;
+ status = NT_STATUS_UNSUCCESSFUL;
goto out;
}
}
out:
talloc_free(ctx);
- return err;
+ return status;
}
/**
@@ -907,7 +970,6 @@ static int tar_get_file(struct tar *t,
struct file_info *finfo)
{
extern struct cli_state *cli;
- TALLOC_CTX *ctx = PANIC_IF_NULL(talloc_new(NULL));
NTSTATUS status;
struct archive_entry *entry;
char *full_unix_path;
@@ -917,6 +979,10 @@ static int tar_get_file(struct tar *t,
uint16_t remote_fd = (uint16_t)-1;
int err = 0, r;
const bool isdir = finfo->mode & FILE_ATTRIBUTE_DIRECTORY;
+ TALLOC_CTX *ctx = talloc_new(NULL);
+ if (ctx == NULL) {
+ return 1;
+ }
DBG(5, ("+++ %s\n", full_dos_path));
@@ -931,7 +997,11 @@ static int tar_get_file(struct tar *t,
set_remote_attr(full_dos_path, FILE_ATTRIBUTE_ARCHIVE, ATTR_UNSET);
}
- full_unix_path = PANIC_IF_NULL(talloc_asprintf(ctx, ".%s", full_dos_path));
+ full_unix_path = talloc_asprintf(ctx, ".%s", full_dos_path);
+ if (full_unix_path == NULL) {
+ err = 1;
+ goto out;
+ }
string_replace(full_unix_path, '\\', '/');
entry = archive_entry_new();
archive_entry_copy_pathname(entry, full_unix_path);
@@ -1036,6 +1106,8 @@ static int tar_extract(struct tar *t)
}
for (;;) {
+ NTSTATUS status;
+ bool skip;
r = archive_read_next_header(t->archive, &entry);
if (r == ARCHIVE_EOF) {
break;
@@ -1049,8 +1121,12 @@ static int tar_extract(struct tar *t)
goto out;
}
- rc = tar_extract_skip_path(t, entry);
- if (rc != 0) {
+ status = tar_extract_skip_path(t, entry, &skip);
+ if (!NT_STATUS_IS_OK(status)) {
+ err = 1;
+ goto out;
+ }
+ if (skip) {
DBG(5, ("--- %s\n", archive_entry_pathname(entry)));
continue;
}
@@ -1084,7 +1160,6 @@ out:
static int tar_send_file(struct tar *t, struct archive_entry *entry)
{
extern struct cli_state *cli;
- TALLOC_CTX *ctx = PANIC_IF_NULL(talloc_new(NULL));
char *dos_path;
char *full_path;
NTSTATUS status;
@@ -1093,12 +1168,28 @@ static int tar_send_file(struct tar *t, struct archive_entry *entry)
int flags = O_RDWR | O_CREAT | O_TRUNC;
mode_t mode = archive_entry_filetype(entry);
int rc;
+ TALLOC_CTX *ctx = talloc_new(NULL);
+ if (ctx == NULL) {
+ return 1;
+ }
- dos_path = PANIC_IF_NULL(talloc_strdup(ctx, archive_entry_pathname(entry)));
+ dos_path = talloc_strdup(ctx, archive_entry_pathname(entry));
+ if (dos_path == NULL) {
+ err = 1;
+ goto out;
+ }
fix_unix_path(dos_path, true);
- full_path = PANIC_IF_NULL(talloc_strdup(ctx, client_get_cur_dir()));
- full_path = PANIC_IF_NULL(talloc_strdup_append(full_path, dos_path));
+ full_path = talloc_strdup(ctx, client_get_cur_dir());
+ if (full_path == NULL) {
+ err = 1;
+ goto out;
+ }
+ full_path = talloc_strdup_append(full_path, dos_path);
+ if (full_path == NULL) {
+ err = 1;
+ goto out;
+ }
if (mode != AE_IFREG && mode != AE_IFDIR) {
DBG(0, ("Skipping non-dir & non-regular file %s\n", full_path));
@@ -1168,19 +1259,28 @@ out:
* tar_add_selection_path - add a path to the path list
* @path: path to add
*/
-static void tar_add_selection_path(struct tar *t, const char *path)
+static NTSTATUS tar_add_selection_path(struct tar *t, const char *path)
{
+ const char **list;
TALLOC_CTX *ctx = t->talloc_ctx;
if (!t->path_list) {
- t->path_list = PANIC_IF_NULL(str_list_make_empty(ctx));
+ t->path_list = str_list_make_empty(ctx);
+ if (t->path_list == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
t->path_list_size = 0;
}
- /* cast to silent gcc const-qual warning */
- t->path_list = PANIC_IF_NULL(str_list_add((void*)t->path_list,
- path));
+ /* cast to silence gcc const-qual warning */
+ list = str_list_add((void *)t->path_list, path);
+ if (list == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ t->path_list = discard_const_p(char *, list);
t->path_list_size++;
fix_unix_path(t->path_list[t->path_list_size - 1], true);
+
--
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