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-rw-r--r--src/basic/bitmap.c48
-rw-r--r--src/basic/copy.c6
-rw-r--r--src/basic/exit-status.c3
-rw-r--r--src/basic/fileio.c7
-rw-r--r--src/basic/macro.h21
-rw-r--r--src/basic/missing.h40
-rw-r--r--src/basic/process-util.c52
-rw-r--r--src/basic/util.c14
-rw-r--r--src/basic/virt.c20
9 files changed, 157 insertions, 54 deletions
diff --git a/src/basic/bitmap.c b/src/basic/bitmap.c
index 0747749d13..bf9d8d4d7c 100644
--- a/src/basic/bitmap.c
+++ b/src/basic/bitmap.c
@@ -24,7 +24,7 @@
#include "bitmap.h"
struct Bitmap {
- long long unsigned *bitmaps;
+ uint64_t *bitmaps;
size_t n_bitmaps;
size_t bitmaps_allocated;
};
@@ -37,9 +37,9 @@ struct Bitmap {
/* This indicates that we reached the end of the bitmap */
#define BITMAP_END ((unsigned) -1)
-#define BITMAP_NUM_TO_OFFSET(n) ((n) / (sizeof(long long unsigned) * 8))
-#define BITMAP_NUM_TO_REM(n) ((n) % (sizeof(long long unsigned) * 8))
-#define BITMAP_OFFSET_TO_NUM(offset, rem) ((offset) * sizeof(long long unsigned) * 8 + (rem))
+#define BITMAP_NUM_TO_OFFSET(n) ((n) / (sizeof(uint64_t) * 8))
+#define BITMAP_NUM_TO_REM(n) ((n) % (sizeof(uint64_t) * 8))
+#define BITMAP_OFFSET_TO_NUM(offset, rem) ((offset) * sizeof(uint64_t) * 8 + (rem))
Bitmap *bitmap_new(void) {
return new0(Bitmap, 1);
@@ -56,6 +56,8 @@ void bitmap_free(Bitmap *b) {
int bitmap_ensure_allocated(Bitmap **b) {
Bitmap *a;
+ assert(b);
+
if (*b)
return 0;
@@ -69,7 +71,7 @@ int bitmap_ensure_allocated(Bitmap **b) {
}
int bitmap_set(Bitmap *b, unsigned n) {
- long long unsigned bitmask;
+ uint64_t bitmask;
unsigned offset;
assert(b);
@@ -87,7 +89,7 @@ int bitmap_set(Bitmap *b, unsigned n) {
b->n_bitmaps = offset + 1;
}
- bitmask = 1ULL << BITMAP_NUM_TO_REM(n);
+ bitmask = UINT64_C(1) << BITMAP_NUM_TO_REM(n);
b->bitmaps[offset] |= bitmask;
@@ -95,26 +97,27 @@ int bitmap_set(Bitmap *b, unsigned n) {
}
void bitmap_unset(Bitmap *b, unsigned n) {
- long long unsigned bitmask;
+ uint64_t bitmask;
unsigned offset;
- assert(b);
+ if (!b)
+ return;
offset = BITMAP_NUM_TO_OFFSET(n);
if (offset >= b->n_bitmaps)
return;
- bitmask = 1ULL << BITMAP_NUM_TO_REM(n);
+ bitmask = UINT64_C(1) << BITMAP_NUM_TO_REM(n);
b->bitmaps[offset] &= ~bitmask;
}
bool bitmap_isset(Bitmap *b, unsigned n) {
- long long unsigned bitmask;
+ uint64_t bitmask;
unsigned offset;
- if (!b || !b->bitmaps)
+ if (!b)
return false;
offset = BITMAP_NUM_TO_OFFSET(n);
@@ -122,7 +125,7 @@ bool bitmap_isset(Bitmap *b, unsigned n) {
if (offset >= b->n_bitmaps)
return false;
- bitmask = 1ULL << BITMAP_NUM_TO_REM(n);
+ bitmask = UINT64_C(1) << BITMAP_NUM_TO_REM(n);
return !!(b->bitmaps[offset] & bitmask);
}
@@ -133,31 +136,31 @@ bool bitmap_isclear(Bitmap *b) {
assert(b);
for (i = 0; i < b->n_bitmaps; i++)
- if (b->bitmaps[i])
+ if (b->bitmaps[i] != 0)
return false;
return true;
}
void bitmap_clear(Bitmap *b) {
- unsigned i;
-
assert(b);
- for (i = 0; i < b->n_bitmaps; i++)
- b->bitmaps[i] = 0;
+ b->n_bitmaps = 0;
}
bool bitmap_iterate(Bitmap *b, Iterator *i, unsigned *n) {
- long long unsigned bitmask;
+ uint64_t bitmask;
unsigned offset, rem;
+ assert(i);
+ assert(n);
+
if (!b || i->idx == BITMAP_END)
return false;
offset = BITMAP_NUM_TO_OFFSET(i->idx);
rem = BITMAP_NUM_TO_REM(i->idx);
- bitmask = 1ULL << rem;
+ bitmask = UINT64_C(1) << rem;
for (; offset < b->n_bitmaps; offset ++) {
if (b->bitmaps[offset]) {
@@ -181,7 +184,6 @@ bool bitmap_iterate(Bitmap *b, Iterator *i, unsigned *n) {
}
bool bitmap_equal(Bitmap *a, Bitmap *b) {
- unsigned i;
if (!a ^ !b)
return false;
@@ -192,9 +194,5 @@ bool bitmap_equal(Bitmap *a, Bitmap *b) {
if (a->n_bitmaps != b->n_bitmaps)
return false;
- for (i = 0; i < a->n_bitmaps; i++)
- if (a->bitmaps[i] != b->bitmaps[i])
- return false;
-
- return true;
+ return memcmp(a->bitmaps, b->bitmaps, sizeof(uint64_t) * a->n_bitmaps) == 0;
}
diff --git a/src/basic/copy.c b/src/basic/copy.c
index 230e7e4d3f..e2d356d676 100644
--- a/src/basic/copy.c
+++ b/src/basic/copy.c
@@ -24,6 +24,7 @@
#include "util.h"
#include "btrfs-util.h"
+#include "strv.h"
#include "copy.h"
#define COPY_BUFFER_SIZE (16*1024)
@@ -262,10 +263,13 @@ static int fd_copy_directory(
(void) copy_xattr(dirfd(d), fdt);
}
- FOREACH_DIRENT(de, d, return -errno) {
+ FOREACH_DIRENT_ALL(de, d, return -errno) {
struct stat buf;
int q;
+ if (STR_IN_SET(de->d_name, ".", ".."))
+ continue;
+
if (fstatat(dirfd(d), de->d_name, &buf, AT_SYMLINK_NOFOLLOW) < 0) {
r = -errno;
continue;
diff --git a/src/basic/exit-status.c b/src/basic/exit-status.c
index 5ab36825c0..fcff753ada 100644
--- a/src/basic/exit-status.c
+++ b/src/basic/exit-status.c
@@ -151,6 +151,9 @@ const char* exit_status_to_string(ExitStatus status, ExitStatusLevel level) {
case EXIT_BUS_ENDPOINT:
return "BUS_ENDPOINT";
+
+ case EXIT_SMACK_PROCESS_LABEL:
+ return "SMACK_PROCESS_LABEL";
}
}
diff --git a/src/basic/fileio.c b/src/basic/fileio.c
index d592bf5ac9..2216853777 100644
--- a/src/basic/fileio.c
+++ b/src/basic/fileio.c
@@ -786,7 +786,7 @@ int executable_is_script(const char *path, char **interpreter) {
*/
int get_status_field(const char *filename, const char *pattern, char **field) {
_cleanup_free_ char *status = NULL;
- char *t;
+ char *t, *f;
size_t len;
int r;
@@ -820,9 +820,10 @@ int get_status_field(const char *filename, const char *pattern, char **field) {
len = strcspn(t, WHITESPACE);
- *field = strndup(t, len);
- if (!*field)
+ f = strndup(t, len);
+ if (!f)
return -ENOMEM;
+ *field = f;
return 0;
}
diff --git a/src/basic/macro.h b/src/basic/macro.h
index 5fa17ed208..627d768b76 100644
--- a/src/basic/macro.h
+++ b/src/basic/macro.h
@@ -26,6 +26,7 @@
#include <sys/types.h>
#include <sys/uio.h>
#include <inttypes.h>
+#include <stdbool.h>
#define _printf_(a,b) __attribute__ ((format (printf, a, b)))
#define _alloc_(...) __attribute__ ((alloc_size(__VA_ARGS__)))
@@ -406,12 +407,12 @@ do { \
#define IN_SET(x, y, ...) \
({ \
- const typeof(y) _y = (y); \
- const typeof(_y) _x = (x); \
+ static const typeof(y) _array[] = { (y), __VA_ARGS__ }; \
+ const typeof(y) _x = (x); \
unsigned _i; \
bool _found = false; \
- for (_i = 0; _i < 1 + sizeof((const typeof(_x)[]) { __VA_ARGS__ })/sizeof(const typeof(_x)); _i++) \
- if (((const typeof(_x)[]) { _y, __VA_ARGS__ })[_i] == _x) { \
+ for (_i = 0; _i < ELEMENTSOF(_array); _i++) \
+ if (_array[_i] == _x) { \
_found = true; \
break; \
} \
@@ -461,6 +462,18 @@ do { \
#define GID_INVALID ((gid_t) -1)
#define MODE_INVALID ((mode_t) -1)
+static inline bool UID_IS_INVALID(uid_t uid) {
+ /* We consider both the old 16bit -1 user and the newer 32bit
+ * -1 user invalid, since they are or used to be incompatible
+ * with syscalls such as setresuid() or chown(). */
+
+ return uid == (uid_t) ((uint32_t) -1) || uid == (uid_t) ((uint16_t) -1);
+}
+
+static inline bool GID_IS_INVALID(gid_t gid) {
+ return gid == (gid_t) ((uint32_t) -1) || gid == (gid_t) ((uint16_t) -1);
+}
+
#define DEFINE_TRIVIAL_CLEANUP_FUNC(type, func) \
static inline void func##p(type *p) { \
if (*p) \
diff --git a/src/basic/missing.h b/src/basic/missing.h
index be7f6186fc..ed6cd80c75 100644
--- a/src/basic/missing.h
+++ b/src/basic/missing.h
@@ -772,7 +772,7 @@ static inline int setns(int fd, int nstype) {
#define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
#endif
-#if !HAVE_DECL_IFLA_IPTUN_6RD_RELAY_PREFIXLEN
+#if !HAVE_DECL_IFLA_IPTUN_ENCAP_DPORT
#define IFLA_IPTUN_UNSPEC 0
#define IFLA_IPTUN_LINK 1
#define IFLA_IPTUN_LOCAL 2
@@ -788,11 +788,41 @@ static inline int setns(int fd, int nstype) {
#define IFLA_IPTUN_6RD_RELAY_PREFIX 12
#define IFLA_IPTUN_6RD_PREFIXLEN 13
#define IFLA_IPTUN_6RD_RELAY_PREFIXLEN 14
-#define __IFLA_IPTUN_MAX 15
+#define IFLA_IPTUN_ENCAP_TYPE 15
+#define IFLA_IPTUN_ENCAP_FLAGS 16
+#define IFLA_IPTUN_ENCAP_SPORT 17
+#define IFLA_IPTUN_ENCAP_DPORT 18
+
+#define __IFLA_IPTUN_MAX 19
#define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
#endif
+#if !HAVE_DECL_IFLA_GRE_ENCAP_DPORT
+#define IFLA_GRE_UNSPEC 0
+#define IFLA_GRE_LINK 1
+#define IFLA_GRE_IFLAGS 2
+#define IFLA_GRE_OFLAGS 3
+#define IFLA_GRE_IKEY 4
+#define IFLA_GRE_OKEY 5
+#define IFLA_GRE_LOCAL 6
+#define IFLA_GRE_REMOTE 7
+#define IFLA_GRE_TTL 8
+#define IFLA_GRE_TOS 9
+#define IFLA_GRE_PMTUDISC 10
+#define IFLA_GRE_ENCAP_LIMIT 11
+#define IFLA_GRE_FLOWINFO 12
+#define IFLA_GRE_FLAGS 13
+#define IFLA_GRE_ENCAP_TYPE 14
+#define IFLA_GRE_ENCAP_FLAGS 15
+#define IFLA_GRE_ENCAP_SPORT 16
+#define IFLA_GRE_ENCAP_DPORT 17
+
+#define __IFLA_GRE_MAX 18
+
+#define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1)
+#endif
+
#if !HAVE_DECL_IFLA_BRIDGE_VLAN_INFO
#define IFLA_BRIDGE_FLAGS 0
#define IFLA_BRIDGE_MODE 1
@@ -802,7 +832,7 @@ static inline int setns(int fd, int nstype) {
#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
#endif
-#if !HAVE_DECL_IFLA_BRPORT_UNICAST_FLOOD
+#if !HAVE_DECL_IFLA_BRPORT_LEARNING_SYNC
#define IFLA_BRPORT_UNSPEC 0
#define IFLA_BRPORT_STATE 1
#define IFLA_BRPORT_PRIORITY 2
@@ -813,7 +843,9 @@ static inline int setns(int fd, int nstype) {
#define IFLA_BRPORT_FAST_LEAVE 7
#define IFLA_BRPORT_LEARNING 8
#define IFLA_BRPORT_UNICAST_FLOOD 9
-#define __IFLA_BRPORT_MAX 10
+#define IFLA_BRPORT_PROXYARP 10
+#define IFLA_BRPORT_LEARNING_SYNC 11
+#define __IFLA_BRPORT_MAX 12
#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
#endif
diff --git a/src/basic/process-util.c b/src/basic/process-util.c
index 2c05f2fee4..61f188467f 100644
--- a/src/basic/process-util.c
+++ b/src/basic/process-util.c
@@ -43,7 +43,10 @@ int get_process_state(pid_t pid) {
assert(pid >= 0);
p = procfs_file_alloca(pid, "stat");
+
r = read_one_line_file(p, &line);
+ if (r == -ENOENT)
+ return -ESRCH;
if (r < 0)
return r;
@@ -87,8 +90,11 @@ int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char *
p = procfs_file_alloca(pid, "cmdline");
f = fopen(p, "re");
- if (!f)
+ if (!f) {
+ if (errno == ENOENT)
+ return -ESRCH;
return -errno;
+ }
if (max_length == 0) {
size_t len = 0, allocated = 0;
@@ -182,8 +188,11 @@ int is_kernel_thread(pid_t pid) {
p = procfs_file_alloca(pid, "cmdline");
f = fopen(p, "re");
- if (!f)
+ if (!f) {
+ if (errno == ENOENT)
+ return -ESRCH;
return -errno;
+ }
count = fread(&c, 1, 1, f);
eof = feof(f);
@@ -199,13 +208,18 @@ int is_kernel_thread(pid_t pid) {
int get_process_capeff(pid_t pid, char **capeff) {
const char *p;
+ int r;
assert(capeff);
assert(pid >= 0);
p = procfs_file_alloca(pid, "status");
- return get_status_field(p, "\nCapEff:", capeff);
+ r = get_status_field(p, "\nCapEff:", capeff);
+ if (r == -ENOENT)
+ return -ESRCH;
+
+ return r;
}
static int get_process_link_contents(const char *proc_file, char **name) {
@@ -215,8 +229,10 @@ static int get_process_link_contents(const char *proc_file, char **name) {
assert(name);
r = readlink_malloc(proc_file, name);
+ if (r == -ENOENT)
+ return -ESRCH;
if (r < 0)
- return r == -ENOENT ? -ESRCH : r;
+ return r;
return 0;
}
@@ -253,8 +269,11 @@ static int get_process_id(pid_t pid, const char *field, uid_t *uid) {
p = procfs_file_alloca(pid, "status");
f = fopen(p, "re");
- if (!f)
+ if (!f) {
+ if (errno == ENOENT)
+ return -ESRCH;
return -errno;
+ }
FOREACH_LINE(line, f, return -errno) {
char *l;
@@ -316,8 +335,11 @@ int get_process_environ(pid_t pid, char **env) {
p = procfs_file_alloca(pid, "environ");
f = fopen(p, "re");
- if (!f)
+ if (!f) {
+ if (errno == ENOENT)
+ return -ESRCH;
return -errno;
+ }
while ((c = fgetc(f)) != EOF) {
if (!GREEDY_REALLOC(outcome, allocated, sz + 5))
@@ -329,10 +351,13 @@ int get_process_environ(pid_t pid, char **env) {
sz += cescape_char(c, outcome + sz);
}
- if (sz == 0)
- return -ENOENT;
+ if (!outcome) {
+ outcome = strdup("");
+ if (!outcome)
+ return -ENOMEM;
+ } else
+ outcome[sz] = '\0';
- outcome[sz] = '\0';
*env = outcome;
outcome = NULL;
@@ -355,6 +380,8 @@ int get_parent_of_pid(pid_t pid, pid_t *_ppid) {
p = procfs_file_alloca(pid, "stat");
r = read_one_line_file(p, &line);
+ if (r == -ENOENT)
+ return -ESRCH;
if (r < 0)
return r;
@@ -475,8 +502,11 @@ int getenv_for_pid(pid_t pid, const char *field, char **_value) {
path = procfs_file_alloca(pid, "environ");
f = fopen(path, "re");
- if (!f)
+ if (!f) {
+ if (errno == ENOENT)
+ return -ESRCH;
return -errno;
+ }
l = strlen(field);
r = 0;
@@ -535,7 +565,7 @@ bool pid_is_alive(pid_t pid) {
return false;
r = get_process_state(pid);
- if (r == -ENOENT || r == 'Z')
+ if (r == -ESRCH || r == 'Z')
return false;
return true;
diff --git a/src/basic/util.c b/src/basic/util.c
index dc20fa9baf..7896be8788 100644
--- a/src/basic/util.c
+++ b/src/basic/util.c
@@ -5729,13 +5729,19 @@ int unquote_first_word(const char **p, char **ret, UnquoteFlags flags) {
case VALUE:
if (c == 0)
goto finish;
- else if (c == '\'')
+ else if (c == '\'') {
+ if (!GREEDY_REALLOC(s, allocated, sz+1))
+ return -ENOMEM;
+
state = SINGLE_QUOTE;
- else if (c == '\\')
+ } else if (c == '\\')
state = VALUE_ESCAPE;
- else if (c == '\"')
+ else if (c == '\"') {
+ if (!GREEDY_REALLOC(s, allocated, sz+1))
+ return -ENOMEM;
+
state = DOUBLE_QUOTE;
- else if (strchr(WHITESPACE, c))
+ } else if (strchr(WHITESPACE, c))
state = SPACE;
else {
if (!GREEDY_REALLOC(s, allocated, sz+2))
diff --git a/src/basic/virt.c b/src/basic/virt.c
index 1299a75ed5..a8d26716a1 100644
--- a/src/basic/virt.c
+++ b/src/basic/virt.c
@@ -188,7 +188,7 @@ int detect_vm(const char **id) {
_cleanup_free_ char *domcap = NULL, *cpuinfo_contents = NULL;
static thread_local int cached_found = -1;
static thread_local const char *cached_id = NULL;
- const char *_id = NULL;
+ const char *_id = NULL, *_id_cpuid = NULL;
int r;
if (_likely_(cached_found >= 0)) {
@@ -234,10 +234,26 @@ int detect_vm(const char **id) {
/* this will set _id to "other" and return 0 for unknown hypervisors */
r = detect_vm_cpuid(&_id);
- if (r != 0)
+
+ /* finish when found a known hypervisor other than kvm */
+ if (r < 0 || (r > 0 && !streq(_id, "kvm")))
goto finish;
+ _id_cpuid = _id;
+
r = detect_vm_dmi(&_id);
+
+ /* kvm with and without Virtualbox */
+ if (streq_ptr(_id_cpuid, "kvm")) {
+ if (r > 0 && streq(_id, "oracle"))
+ goto finish;
+
+ _id = _id_cpuid;
+ r = 1;
+ goto finish;
+ }
+
+ /* information from dmi */
if (r != 0)
goto finish;