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-rw-r--r--src/basic/MurmurHash2.c2
-rw-r--r--src/basic/architecture.c176
-rw-r--r--src/basic/architecture.h195
-rw-r--r--src/basic/calendarspec.c12
-rw-r--r--src/basic/cgroup-util.c2
-rw-r--r--src/basic/clock-util.c11
-rw-r--r--src/basic/clock-util.h2
-rw-r--r--src/basic/ether-addr-util.c11
-rw-r--r--src/basic/ether-addr-util.h7
-rw-r--r--src/basic/extract-word.c14
-rw-r--r--src/basic/fileio.c16
-rw-r--r--src/basic/hexdecoct.c10
-rw-r--r--src/basic/hostname-util.c11
-rw-r--r--src/basic/io-util.c2
-rw-r--r--src/basic/io-util.h2
-rw-r--r--src/basic/list.h14
-rw-r--r--src/basic/log.h2
-rw-r--r--src/basic/macro.h2
-rw-r--r--src/basic/parse-util.c2
-rw-r--r--src/basic/process-util.c75
-rw-r--r--src/basic/signal-util.h8
-rw-r--r--src/basic/socket-util.c2
-rw-r--r--src/basic/stdio-util.h2
-rw-r--r--src/basic/strbuf.c2
-rw-r--r--src/basic/string-util.c2
-rw-r--r--src/basic/time-util.c4
-rw-r--r--src/basic/utf8.c2
-rw-r--r--src/basic/virt.c74
28 files changed, 529 insertions, 135 deletions
diff --git a/src/basic/MurmurHash2.c b/src/basic/MurmurHash2.c
index 2f4149dbe9..9020793930 100644
--- a/src/basic/MurmurHash2.c
+++ b/src/basic/MurmurHash2.c
@@ -50,7 +50,7 @@ uint32_t MurmurHash2 ( const void * key, int len, uint32_t seed )
const unsigned char * data = (const unsigned char *)key;
- while(len >= 4)
+ while (len >= 4)
{
uint32_t k = *(uint32_t*)data;
diff --git a/src/basic/architecture.c b/src/basic/architecture.c
new file mode 100644
index 0000000000..a9ecfc1cd6
--- /dev/null
+++ b/src/basic/architecture.c
@@ -0,0 +1,176 @@
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <sys/utsname.h>
+
+#include "architecture.h"
+#include "macro.h"
+#include "string-table.h"
+#include "string-util.h"
+
+int uname_architecture(void) {
+
+ /* Return a sanitized enum identifying the architecture we are
+ * running on. This is based on uname(), and the user may
+ * hence control what this returns by using
+ * personality(). This puts the user in control on systems
+ * that can run binaries of multiple architectures.
+ *
+ * We do not translate the string returned by uname()
+ * 1:1. Instead we try to clean it up and break down the
+ * confusion on x86 and arm in particular.
+ *
+ * We do not try to distinguish CPUs not CPU features, but
+ * actual architectures, i.e. that have genuinely different
+ * code. */
+
+ static const struct {
+ const char *machine;
+ int arch;
+ } arch_map[] = {
+#if defined(__x86_64__) || defined(__i386__)
+ { "x86_64", ARCHITECTURE_X86_64 },
+ { "i686", ARCHITECTURE_X86 },
+ { "i586", ARCHITECTURE_X86 },
+ { "i486", ARCHITECTURE_X86 },
+ { "i386", ARCHITECTURE_X86 },
+#elif defined(__powerpc__) || defined(__powerpc64__)
+ { "ppc64", ARCHITECTURE_PPC64 },
+ { "ppc64le", ARCHITECTURE_PPC64_LE },
+ { "ppc", ARCHITECTURE_PPC },
+ { "ppcle", ARCHITECTURE_PPC_LE },
+#elif defined(__ia64__)
+ { "ia64", ARCHITECTURE_IA64 },
+#elif defined(__hppa__) || defined(__hppa64__)
+ { "parisc64", ARCHITECTURE_PARISC64 },
+ { "parisc", ARCHITECTURE_PARISC },
+#elif defined(__s390__) || defined(__s390x__)
+ { "s390x", ARCHITECTURE_S390X },
+ { "s390", ARCHITECTURE_S390 },
+#elif defined(__sparc__) || defined(__sparc64__)
+ { "sparc64", ARCHITECTURE_SPARC64 },
+ { "sparc", ARCHITECTURE_SPARC },
+#elif defined(__mips__) || defined(__mips64__)
+ { "mips64", ARCHITECTURE_MIPS64 },
+ { "mips", ARCHITECTURE_MIPS },
+#elif defined(__alpha__)
+ { "alpha" , ARCHITECTURE_ALPHA },
+#elif defined(__arm__) || defined(__aarch64__)
+ { "aarch64", ARCHITECTURE_ARM64 },
+ { "aarch64_be", ARCHITECTURE_ARM64_BE },
+ { "armv4l", ARCHITECTURE_ARM },
+ { "armv4b", ARCHITECTURE_ARM_BE },
+ { "armv4tl", ARCHITECTURE_ARM },
+ { "armv4tb", ARCHITECTURE_ARM_BE },
+ { "armv5tl", ARCHITECTURE_ARM },
+ { "armv5tb", ARCHITECTURE_ARM_BE },
+ { "armv5tel", ARCHITECTURE_ARM },
+ { "armv5teb" , ARCHITECTURE_ARM_BE },
+ { "armv5tejl", ARCHITECTURE_ARM },
+ { "armv5tejb", ARCHITECTURE_ARM_BE },
+ { "armv6l", ARCHITECTURE_ARM },
+ { "armv6b", ARCHITECTURE_ARM_BE },
+ { "armv7l", ARCHITECTURE_ARM },
+ { "armv7b", ARCHITECTURE_ARM_BE },
+ { "armv7ml", ARCHITECTURE_ARM },
+ { "armv7mb", ARCHITECTURE_ARM_BE },
+ { "armv4l", ARCHITECTURE_ARM },
+ { "armv4b", ARCHITECTURE_ARM_BE },
+ { "armv4tl", ARCHITECTURE_ARM },
+ { "armv4tb", ARCHITECTURE_ARM_BE },
+ { "armv5tl", ARCHITECTURE_ARM },
+ { "armv5tb", ARCHITECTURE_ARM_BE },
+ { "armv5tel", ARCHITECTURE_ARM },
+ { "armv5teb", ARCHITECTURE_ARM_BE },
+ { "armv5tejl", ARCHITECTURE_ARM },
+ { "armv5tejb", ARCHITECTURE_ARM_BE },
+ { "armv6l", ARCHITECTURE_ARM },
+ { "armv6b", ARCHITECTURE_ARM_BE },
+ { "armv7l", ARCHITECTURE_ARM },
+ { "armv7b", ARCHITECTURE_ARM_BE },
+ { "armv7ml", ARCHITECTURE_ARM },
+ { "armv7mb", ARCHITECTURE_ARM_BE },
+ { "armv8l", ARCHITECTURE_ARM },
+ { "armv8b", ARCHITECTURE_ARM_BE },
+#elif defined(__sh__) || defined(__sh64__)
+ { "sh5", ARCHITECTURE_SH64 },
+ { "sh2", ARCHITECTURE_SH },
+ { "sh2a", ARCHITECTURE_SH },
+ { "sh3", ARCHITECTURE_SH },
+ { "sh4", ARCHITECTURE_SH },
+ { "sh4a", ARCHITECTURE_SH },
+#elif defined(__m68k__)
+ { "m68k", ARCHITECTURE_M68K },
+#elif defined(__tilegx__)
+ { "tilegx", ARCHITECTURE_TILEGX },
+#elif defined(__cris__)
+ { "crisv32", ARCHITECTURE_CRIS },
+#else
+#error "Please register your architecture here!"
+#endif
+ };
+
+ static int cached = _ARCHITECTURE_INVALID;
+ struct utsname u;
+ unsigned i;
+
+ if (cached != _ARCHITECTURE_INVALID)
+ return cached;
+
+ assert_se(uname(&u) >= 0);
+
+ for (i = 0; i < ELEMENTSOF(arch_map); i++)
+ if (streq(arch_map[i].machine, u.machine))
+ return cached = arch_map[i].arch;
+
+ assert_not_reached("Couldn't identify architecture. You need to patch systemd.");
+ return _ARCHITECTURE_INVALID;
+}
+
+static const char *const architecture_table[_ARCHITECTURE_MAX] = {
+ [ARCHITECTURE_X86] = "x86",
+ [ARCHITECTURE_X86_64] = "x86-64",
+ [ARCHITECTURE_PPC] = "ppc",
+ [ARCHITECTURE_PPC_LE] = "ppc-le",
+ [ARCHITECTURE_PPC64] = "ppc64",
+ [ARCHITECTURE_PPC64_LE] = "ppc64-le",
+ [ARCHITECTURE_IA64] = "ia64",
+ [ARCHITECTURE_PARISC] = "parisc",
+ [ARCHITECTURE_PARISC64] = "parisc64",
+ [ARCHITECTURE_S390] = "s390",
+ [ARCHITECTURE_S390X] = "s390x",
+ [ARCHITECTURE_SPARC] = "sparc",
+ [ARCHITECTURE_SPARC64] = "sparc64",
+ [ARCHITECTURE_MIPS] = "mips",
+ [ARCHITECTURE_MIPS_LE] = "mips-le",
+ [ARCHITECTURE_MIPS64] = "mips64",
+ [ARCHITECTURE_MIPS64_LE] = "mips64-le",
+ [ARCHITECTURE_ALPHA] = "alpha",
+ [ARCHITECTURE_ARM] = "arm",
+ [ARCHITECTURE_ARM_BE] = "arm-be",
+ [ARCHITECTURE_ARM64] = "arm64",
+ [ARCHITECTURE_ARM64_BE] = "arm64-be",
+ [ARCHITECTURE_SH] = "sh",
+ [ARCHITECTURE_SH64] = "sh64",
+ [ARCHITECTURE_M68K] = "m68k",
+ [ARCHITECTURE_TILEGX] = "tilegx",
+ [ARCHITECTURE_CRIS] = "cris",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(architecture, int);
diff --git a/src/basic/architecture.h b/src/basic/architecture.h
new file mode 100644
index 0000000000..c22cbc8279
--- /dev/null
+++ b/src/basic/architecture.h
@@ -0,0 +1,195 @@
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <endian.h>
+
+#include "macro.h"
+#include "util.h"
+
+/* A cleaned up architecture definition. We don't want to get lost in
+ * processor features, models, generations or even ABIs. Hence we
+ * focus on general family, and distinguish word width and
+ * endianness. */
+
+enum {
+ ARCHITECTURE_X86 = 0,
+ ARCHITECTURE_X86_64,
+ ARCHITECTURE_PPC,
+ ARCHITECTURE_PPC_LE,
+ ARCHITECTURE_PPC64,
+ ARCHITECTURE_PPC64_LE,
+ ARCHITECTURE_IA64,
+ ARCHITECTURE_PARISC,
+ ARCHITECTURE_PARISC64,
+ ARCHITECTURE_S390,
+ ARCHITECTURE_S390X,
+ ARCHITECTURE_SPARC,
+ ARCHITECTURE_SPARC64,
+ ARCHITECTURE_MIPS,
+ ARCHITECTURE_MIPS_LE,
+ ARCHITECTURE_MIPS64,
+ ARCHITECTURE_MIPS64_LE,
+ ARCHITECTURE_ALPHA,
+ ARCHITECTURE_ARM,
+ ARCHITECTURE_ARM_BE,
+ ARCHITECTURE_ARM64,
+ ARCHITECTURE_ARM64_BE,
+ ARCHITECTURE_SH,
+ ARCHITECTURE_SH64,
+ ARCHITECTURE_M68K,
+ ARCHITECTURE_TILEGX,
+ ARCHITECTURE_CRIS,
+ _ARCHITECTURE_MAX,
+ _ARCHITECTURE_INVALID = -1
+};
+
+int uname_architecture(void);
+
+/*
+ * LIB_ARCH_TUPLE should resolve to the local library path
+ * architecture tuple systemd is built for, according to the Debian
+ * tuple list:
+ *
+ * https://wiki.debian.org/Multiarch/Tuples
+ *
+ * This is used in library search paths that should understand
+ * Debian's paths on all distributions.
+ */
+
+#if defined(__x86_64__)
+# define native_architecture() ARCHITECTURE_X86_64
+# define LIB_ARCH_TUPLE "x86_64-linux-gnu"
+# define SECONDARY_ARCHITECTURE ARCHITECTURE_X86
+#elif defined(__i386__)
+# define native_architecture() ARCHITECTURE_X86
+# define LIB_ARCH_TUPLE "i386-linux-gnu"
+#elif defined(__powerpc64__)
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define native_architecture() ARCHITECTURE_PPC64
+# define LIB_ARCH_TUPLE "ppc64-linux-gnu"
+# define SECONDARY_ARCHITECTURE ARCHITECTURE_PPC
+# else
+# define native_architecture() ARCHITECTURE_PPC64_LE
+# define LIB_ARCH_TUPLE "powerpc64le-linux-gnu"
+# define SECONDARY_ARCHITECTURE ARCHITECTURE_PPC_LE
+# endif
+#elif defined(__powerpc__)
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define native_architecture() ARCHITECTURE_PPC
+# define LIB_ARCH_TUPLE "powerpc-linux-gnu"
+# else
+# define native_architecture() ARCHITECTURE_PPC_LE
+# error "Missing LIB_ARCH_TUPLE for PPCLE"
+# endif
+#elif defined(__ia64__)
+# define native_architecture() ARCHITECTURE_IA64
+# define LIB_ARCH_TUPLE "ia64-linux-gnu"
+#elif defined(__hppa64__)
+# define native_architecture() ARCHITECTURE_PARISC64
+# error "Missing LIB_ARCH_TUPLE for HPPA64"
+#elif defined(__hppa__)
+# define native_architecture() ARCHITECTURE_PARISC
+# define LIB_ARCH_TUPLE "hppa‑linux‑gnu"
+#elif defined(__s390x__)
+# define native_architecture() ARCHITECTURE_S390X
+# define LIB_ARCH_TUPLE "s390x-linux-gnu"
+# define SECONDARY_ARCHITECTURE ARCHITECTURE_S390
+#elif defined(__s390__)
+# define native_architecture() ARCHITECTURE_S390
+# define LIB_ARCH_TUPLE "s390-linux-gnu"
+#elif defined(__sparc64__)
+# define native_architecture() ARCHITECTURE_SPARC64
+# define LIB_ARCH_TUPLE "sparc64-linux-gnu"
+#elif defined(__sparc__)
+# define native_architecture() ARCHITECTURE_SPARC
+# define LIB_ARCH_TUPLE "sparc-linux-gnu"
+#elif defined(__mips64__)
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define native_architecture() ARCHITECTURE_MIPS64
+# error "Missing LIB_ARCH_TUPLE for MIPS64"
+# else
+# define native_architecture() ARCHITECTURE_MIPS64_LE
+# error "Missing LIB_ARCH_TUPLE for MIPS64_LE"
+# endif
+#elif defined(__mips__)
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define native_architecture() ARCHITECTURE_MIPS
+# define LIB_ARCH_TUPLE "mips-linux-gnu"
+# else
+# define native_architecture() ARCHITECTURE_MIPS_LE
+# define LIB_ARCH_TUPLE "mipsel-linux-gnu"
+# endif
+#elif defined(__alpha__)
+# define native_architecture() ARCHITECTURE_ALPHA
+# define LIB_ARCH_TUPLE "alpha-linux-gnu"
+#elif defined(__aarch64__)
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define native_architecture() ARCHITECTURE_ARM64_BE
+# define LIB_ARCH_TUPLE "aarch64_be-linux-gnu"
+# else
+# define native_architecture() ARCHITECTURE_ARM64
+# define LIB_ARCH_TUPLE "aarch64-linux-gnu"
+# endif
+#elif defined(__arm__)
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define native_architecture() ARCHITECTURE_ARM_BE
+# if defined(__ARM_EABI__)
+# if defined(__ARM_PCS_VFP)
+# define LIB_ARCH_TUPLE "armeb-linux-gnueabihf"
+# else
+# define LIB_ARCH_TUPLE "armeb-linux-gnueabi"
+# endif
+# else
+# define LIB_ARCH_TUPLE "armeb-linux-gnu"
+# endif
+# else
+# define native_architecture() ARCHITECTURE_ARM
+# if defined(__ARM_EABI__)
+# if defined(__ARM_PCS_VFP)
+# define LIB_ARCH_TUPLE "arm-linux-gnueabihf"
+# else
+# define LIB_ARCH_TUPLE "arm-linux-gnueabi"
+# endif
+# else
+# define LIB_ARCH_TUPLE "arm-linux-gnu"
+# endif
+# endif
+#elif defined(__sh64__)
+# define native_architecture() ARCHITECTURE_SH64
+# error "Missing LIB_ARCH_TUPLE for SH64"
+#elif defined(__sh__)
+# define native_architecture() ARCHITECTURE_SH
+# define LIB_ARCH_TUPLE "sh4-linux-gnu"
+#elif defined(__m68k__)
+# define native_architecture() ARCHITECTURE_M68K
+# define LIB_ARCH_TUPLE "m68k-linux-gnu"
+#elif defined(__tilegx__)
+# define native_architecture() ARCHITECTURE_TILEGX
+# error "Missing LIB_ARCH_TUPLE for TILEGX"
+#elif defined(__cris__)
+# define native_architecture() ARCHITECTURE_CRIS
+# error "Missing LIB_ARCH_TUPLE for CRIS"
+#else
+# error "Please register your architecture here!"
+#endif
+
+const char *architecture_to_string(int a) _const_;
+int architecture_from_string(const char *s) _pure_;
diff --git a/src/basic/calendarspec.c b/src/basic/calendarspec.c
index 2f40ba2b46..6e0bab9b94 100644
--- a/src/basic/calendarspec.c
+++ b/src/basic/calendarspec.c
@@ -114,7 +114,7 @@ static void sort_chain(CalendarComponent **c) {
static void fix_year(CalendarComponent *c) {
/* Turns 12 → 2012, 89 → 1989 */
- while(c) {
+ while (c) {
CalendarComponent *n = c->next;
if (c->value >= 0 && c->value < 70)
@@ -1004,7 +1004,7 @@ static int find_next(const CalendarSpec *spec, struct tm *tm, usec_t *usec) {
c.tm_hour = c.tm_min = c.tm_sec = tm_usec = 0;
}
if (r < 0 || tm_out_of_bounds(&c, spec->utc)) {
- c.tm_year ++;
+ c.tm_year++;
c.tm_mon = 0;
c.tm_mday = 1;
c.tm_hour = c.tm_min = c.tm_sec = tm_usec = 0;
@@ -1015,7 +1015,7 @@ static int find_next(const CalendarSpec *spec, struct tm *tm, usec_t *usec) {
if (r > 0)
c.tm_hour = c.tm_min = c.tm_sec = tm_usec = 0;
if (r < 0 || tm_out_of_bounds(&c, spec->utc)) {
- c.tm_mon ++;
+ c.tm_mon++;
c.tm_mday = 1;
c.tm_hour = c.tm_min = c.tm_sec = tm_usec = 0;
continue;
@@ -1031,7 +1031,7 @@ static int find_next(const CalendarSpec *spec, struct tm *tm, usec_t *usec) {
if (r > 0)
c.tm_min = c.tm_sec = tm_usec = 0;
if (r < 0 || tm_out_of_bounds(&c, spec->utc)) {
- c.tm_mday ++;
+ c.tm_mday++;
c.tm_hour = c.tm_min = c.tm_sec = tm_usec = 0;
continue;
}
@@ -1040,7 +1040,7 @@ static int find_next(const CalendarSpec *spec, struct tm *tm, usec_t *usec) {
if (r > 0)
c.tm_sec = tm_usec = 0;
if (r < 0 || tm_out_of_bounds(&c, spec->utc)) {
- c.tm_hour ++;
+ c.tm_hour++;
c.tm_min = c.tm_sec = tm_usec = 0;
continue;
}
@@ -1051,7 +1051,7 @@ static int find_next(const CalendarSpec *spec, struct tm *tm, usec_t *usec) {
c.tm_sec /= USEC_PER_SEC;
if (r < 0 || tm_out_of_bounds(&c, spec->utc)) {
- c.tm_min ++;
+ c.tm_min++;
c.tm_sec = tm_usec = 0;
continue;
}
diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c
index 6ef00d51df..56c1fcaab9 100644
--- a/src/basic/cgroup-util.c
+++ b/src/basic/cgroup-util.c
@@ -1248,7 +1248,7 @@ int cg_pid_get_path_shifted(pid_t pid, const char *root, char **cgroup) {
return 0;
}
-int cg_path_decode_unit(const char *cgroup, char **unit){
+int cg_path_decode_unit(const char *cgroup, char **unit) {
char *c, *s;
size_t n;
diff --git a/src/basic/clock-util.c b/src/basic/clock-util.c
index 507e757ff0..7fe8d35ea5 100644
--- a/src/basic/clock-util.c
+++ b/src/basic/clock-util.c
@@ -69,9 +69,12 @@ int clock_set_hwclock(const struct tm *tm) {
return 0;
}
-int clock_is_localtime(void) {
+int clock_is_localtime(const char* adjtime_path) {
_cleanup_fclose_ FILE *f;
+ if (adjtime_path == NULL)
+ adjtime_path = "/etc/adjtime";
+
/*
* The third line of adjtime is "UTC" or "LOCAL" or nothing.
* # /etc/adjtime
@@ -79,7 +82,7 @@ int clock_is_localtime(void) {
* 0
* UTC
*/
- f = fopen("/etc/adjtime", "re");
+ f = fopen(adjtime_path, "re");
if (f) {
char line[LINE_MAX];
bool b;
@@ -88,7 +91,8 @@ int clock_is_localtime(void) {
fgets(line, sizeof(line), f) &&
fgets(line, sizeof(line), f);
if (!b)
- return -EIO;
+ /* less than three lines -> default to UTC */
+ return 0;
truncate_nl(line);
return streq(line, "LOCAL");
@@ -96,6 +100,7 @@ int clock_is_localtime(void) {
} else if (errno != ENOENT)
return -errno;
+ /* adjtime not present -> default to UTC */
return 0;
}
diff --git a/src/basic/clock-util.h b/src/basic/clock-util.h
index f471f2abcf..8830cd2f38 100644
--- a/src/basic/clock-util.h
+++ b/src/basic/clock-util.h
@@ -21,7 +21,7 @@
#include <time.h>
-int clock_is_localtime(void);
+int clock_is_localtime(const char* adjtime_path);
int clock_set_timezone(int *min);
int clock_reset_timewarp(void);
int clock_get_hwclock(struct tm *tm);
diff --git a/src/basic/ether-addr-util.c b/src/basic/ether-addr-util.c
index d2c030903b..a4d8d656da 100644
--- a/src/basic/ether-addr-util.c
+++ b/src/basic/ether-addr-util.c
@@ -43,17 +43,6 @@ char* ether_addr_to_string(const struct ether_addr *addr, char buffer[ETHER_ADDR
return buffer;
}
-bool ether_addr_is_null(const struct ether_addr *addr) {
- assert(addr);
-
- return addr->ether_addr_octet[0] == 0 &&
- addr->ether_addr_octet[1] == 0 &&
- addr->ether_addr_octet[2] == 0 &&
- addr->ether_addr_octet[3] == 0 &&
- addr->ether_addr_octet[4] == 0 &&
- addr->ether_addr_octet[5] == 0;
-}
-
bool ether_addr_equal(const struct ether_addr *a, const struct ether_addr *b) {
assert(a);
assert(b);
diff --git a/src/basic/ether-addr-util.h b/src/basic/ether-addr-util.h
index 00c5159fe8..074363793e 100644
--- a/src/basic/ether-addr-util.h
+++ b/src/basic/ether-addr-util.h
@@ -28,5 +28,10 @@
#define ETHER_ADDR_TO_STRING_MAX (3*6)
char* ether_addr_to_string(const struct ether_addr *addr, char buffer[ETHER_ADDR_TO_STRING_MAX]);
-bool ether_addr_is_null(const struct ether_addr *addr);
bool ether_addr_equal(const struct ether_addr *a, const struct ether_addr *b);
+
+#define ETHER_ADDR_NULL ((const struct ether_addr){})
+
+static inline bool ether_addr_is_null(const struct ether_addr *addr) {
+ return ether_addr_equal(addr, &ETHER_ADDR_NULL);
+}
diff --git a/src/basic/extract-word.c b/src/basic/extract-word.c
index ee35d2a0ec..d6c1228463 100644
--- a/src/basic/extract-word.c
+++ b/src/basic/extract-word.c
@@ -63,12 +63,12 @@ int extract_first_word(const char **p, char **ret, const char *separators, Extra
if (!GREEDY_REALLOC(s, allocated, sz+1))
return -ENOMEM;
- for (;; (*p) ++, c = **p) {
+ for (;; (*p)++, c = **p) {
if (c == 0)
goto finish_force_terminate;
else if (strchr(separators, c)) {
if (flags & EXTRACT_DONT_COALESCE_SEPARATORS) {
- (*p) ++;
+ (*p)++;
goto finish_force_next;
}
} else {
@@ -81,7 +81,7 @@ int extract_first_word(const char **p, char **ret, const char *separators, Extra
}
}
- for (;; (*p) ++, c = **p) {
+ for (;; (*p)++, c = **p) {
if (backslash) {
if (!GREEDY_REALLOC(s, allocated, sz+7))
return -ENOMEM;
@@ -129,7 +129,7 @@ int extract_first_word(const char **p, char **ret, const char *separators, Extra
backslash = false;
} else if (quote) { /* inside either single or double quotes */
- for (;; (*p) ++, c = **p) {
+ for (;; (*p)++, c = **p) {
if (c == 0) {
if (flags & EXTRACT_RELAX)
goto finish_force_terminate;
@@ -149,7 +149,7 @@ int extract_first_word(const char **p, char **ret, const char *separators, Extra
}
} else {
- for (;; (*p) ++, c = **p) {
+ for (;; (*p)++, c = **p) {
if (c == 0)
goto finish_force_terminate;
else if ((c == '\'' || c == '"') && (flags & EXTRACT_QUOTES)) {
@@ -160,11 +160,11 @@ int extract_first_word(const char **p, char **ret, const char *separators, Extra
break;
} else if (strchr(separators, c)) {
if (flags & EXTRACT_DONT_COALESCE_SEPARATORS) {
- (*p) ++;
+ (*p)++;
goto finish_force_next;
}
/* Skip additional coalesced separators. */
- for (;; (*p) ++, c = **p) {
+ for (;; (*p)++, c = **p) {
if (c == 0)
goto finish_force_terminate;
if (!strchr(separators, c))
diff --git a/src/basic/fileio.c b/src/basic/fileio.c
index e43ca6d29e..69590941e5 100644
--- a/src/basic/fileio.c
+++ b/src/basic/fileio.c
@@ -352,7 +352,7 @@ static int parse_env_file_internal(
case KEY:
if (strchr(newline, c)) {
state = PRE_KEY;
- line ++;
+ line++;
n_key = 0;
} else if (c == '=') {
state = PRE_VALUE;
@@ -376,7 +376,7 @@ static int parse_env_file_internal(
case PRE_VALUE:
if (strchr(newline, c)) {
state = PRE_KEY;
- line ++;
+ line++;
key[n_key] = 0;
if (value)
@@ -416,7 +416,7 @@ static int parse_env_file_internal(
case VALUE:
if (strchr(newline, c)) {
state = PRE_KEY;
- line ++;
+ line++;
key[n_key] = 0;
@@ -535,7 +535,7 @@ static int parse_env_file_internal(
state = COMMENT_ESCAPE;
else if (strchr(newline, c)) {
state = PRE_KEY;
- line ++;
+ line++;
}
break;
@@ -588,7 +588,7 @@ static int parse_env_file_push(
va_list aq, *ap = userdata;
if (!utf8_is_valid(key)) {
- _cleanup_free_ char *p;
+ _cleanup_free_ char *p = NULL;
p = utf8_escape_invalid(key);
log_error("%s:%u: invalid UTF-8 in key '%s', ignoring.", strna(filename), line, p);
@@ -596,7 +596,7 @@ static int parse_env_file_push(
}
if (value && !utf8_is_valid(value)) {
- _cleanup_free_ char *p;
+ _cleanup_free_ char *p = NULL;
p = utf8_escape_invalid(value);
log_error("%s:%u: invalid UTF-8 value for key %s: '%s', ignoring.", strna(filename), line, key, p);
@@ -908,7 +908,7 @@ int get_proc_field(const char *filename, const char *pattern, const char *termin
/* Back off one char if there's nothing but whitespace
and zeros */
if (!*t || isspace(*t))
- t --;
+ t--;
}
len = strcspn(t, terminator);
@@ -1069,7 +1069,7 @@ int fflush_and_check(FILE *f) {
/* This is much like like mkostemp() but is subject to umask(). */
int mkostemp_safe(char *pattern, int flags) {
- _cleanup_umask_ mode_t u;
+ _cleanup_umask_ mode_t u = 0;
int fd;
assert(pattern);
diff --git a/src/basic/hexdecoct.c b/src/basic/hexdecoct.c
index d7ad8d41f2..c5bda6c4d6 100644
--- a/src/basic/hexdecoct.c
+++ b/src/basic/hexdecoct.c
@@ -276,8 +276,8 @@ int unbase32hexmem(const char *p, size_t l, bool padding, void **mem, size_t *_l
if (padding) {
/* strip the padding */
while (l > 0 && p[l - 1] == '=' && pad < 7) {
- pad ++;
- l --;
+ pad++;
+ l--;
}
}
@@ -505,7 +505,7 @@ int unbase64char(char c) {
if (c == '+')
return offset;
- offset ++;
+ offset++;
if (c == '/')
return offset;
@@ -621,9 +621,9 @@ int unbase64mem(const char *p, size_t l, void **mem, size_t *_len) {
/* strip the padding */
if (l > 0 && p[l - 1] == '=')
- l --;
+ l--;
if (l > 0 && p[l - 1] == '=')
- l --;
+ l--;
/* a group of four input bytes needs three output bytes, in case of
padding we need to add two or three extra bytes */
diff --git a/src/basic/hostname-util.c b/src/basic/hostname-util.c
index f900c509a3..5a7ee87a20 100644
--- a/src/basic/hostname-util.c
+++ b/src/basic/hostname-util.c
@@ -48,8 +48,9 @@ bool hostname_is_set(void) {
char* gethostname_malloc(void) {
struct utsname u;
- /* This call tries to return something useful, either the actual hostname or it makes something up. The only
- * reason it might mail is OOM. It might even return "localhost" if that's set. */
+ /* This call tries to return something useful, either the actual hostname
+ * or it makes something up. The only reason it might fail is OOM.
+ * It might even return "localhost" if that's set. */
assert_se(uname(&u) >= 0);
@@ -123,7 +124,7 @@ bool hostname_is_valid(const char *s, bool allow_trailing_dot) {
return false;
dot = true;
- n_dots ++;
+ n_dots++;
} else {
if (!hostname_valid_char(*p))
return false;
@@ -149,6 +150,8 @@ char* hostname_cleanup(char *s) {
assert(s);
+ strshorten(s, HOST_NAME_MAX);
+
for (p = s, d = s, dot = true; *p; p++) {
if (*p == '.') {
if (dot)
@@ -168,8 +171,6 @@ char* hostname_cleanup(char *s) {
else
*d = 0;
- strshorten(s, HOST_NAME_MAX);
-
return s;
}
diff --git a/src/basic/io-util.c b/src/basic/io-util.c
index 3ec8d61236..0037a37f2a 100644
--- a/src/basic/io-util.c
+++ b/src/basic/io-util.c
@@ -249,7 +249,7 @@ ssize_t sparse_write(int fd, const void *p, size_t sz, size_t run_length) {
} else if (n > 0)
q += n;
else
- q ++;
+ q++;
}
if (q > w) {
diff --git a/src/basic/io-util.h b/src/basic/io-util.h
index 142c940d92..4684ed3bfc 100644
--- a/src/basic/io-util.h
+++ b/src/basic/io-util.h
@@ -46,7 +46,7 @@ ssize_t sparse_write(int fd, const void *p, size_t sz, size_t run_length);
char *_s = (char *)(s); \
_i->iov_base = _s; \
_i->iov_len = strlen(_s); \
- } while(false)
+ } while (false)
static inline size_t IOVEC_TOTAL_SIZE(const struct iovec *i, unsigned n) {
unsigned j;
diff --git a/src/basic/list.h b/src/basic/list.h
index c68185f587..5962aa4211 100644
--- a/src/basic/list.h
+++ b/src/basic/list.h
@@ -32,7 +32,7 @@
#define LIST_HEAD_INIT(head) \
do { \
(head) = NULL; } \
- while(false)
+ while (false)
/* Initialize a list item */
#define LIST_INIT(name,item) \
@@ -40,7 +40,7 @@
typeof(*(item)) *_item = (item); \
assert(_item); \
_item->name##_prev = _item->name##_next = NULL; \
- } while(false)
+ } while (false)
/* Prepend an item to the list */
#define LIST_PREPEND(name,head,item) \
@@ -51,7 +51,7 @@
_item->name##_next->name##_prev = _item; \
_item->name##_prev = NULL; \
*_head = _item; \
- } while(false)
+ } while (false)
/* Append an item to the list */
#define LIST_APPEND(name,head,item) \
@@ -59,7 +59,7 @@
typeof(*(head)) *_tail; \
LIST_FIND_TAIL(name,head,_tail); \
LIST_INSERT_AFTER(name,head,_tail,item); \
- } while(false)
+ } while (false)
/* Remove an item from the list */
#define LIST_REMOVE(name,head,item) \
@@ -75,7 +75,7 @@
*_head = _item->name##_next; \
} \
_item->name##_next = _item->name##_prev = NULL; \
- } while(false)
+ } while (false)
/* Find the head of the list */
#define LIST_FIND_HEAD(name,item,head) \
@@ -119,7 +119,7 @@
_b->name##_prev = _a; \
_a->name##_next = _b; \
} \
- } while(false)
+ } while (false)
/* Insert an item before another one (a = where, b = what) */
#define LIST_INSERT_BEFORE(name,head,a,b) \
@@ -145,7 +145,7 @@
_b->name##_next = _a; \
_a->name##_prev = _b; \
} \
- } while(false)
+ } while (false)
#define LIST_JUST_US(name,item) \
(!(item)->name##_prev && !(item)->name##_next) \
diff --git a/src/basic/log.h b/src/basic/log.h
index 60ddead74c..f9fb1742a1 100644
--- a/src/basic/log.h
+++ b/src/basic/log.h
@@ -193,7 +193,7 @@ void log_assert_failed_return(
#ifdef LOG_TRACE
# define log_trace(...) log_debug(__VA_ARGS__)
#else
-# define log_trace(...) do {} while(0)
+# define log_trace(...) do {} while (0)
#endif
/* Structured logging */
diff --git a/src/basic/macro.h b/src/basic/macro.h
index ab5cc97e17..c34441d75d 100644
--- a/src/basic/macro.h
+++ b/src/basic/macro.h
@@ -224,7 +224,7 @@ static inline unsigned long ALIGN_POWER2(unsigned long u) {
/* We override the glibc assert() here. */
#undef assert
#ifdef NDEBUG
-#define assert(expr) do {} while(false)
+#define assert(expr) do {} while (false)
#else
#define assert(expr) assert_message_se(expr, #expr)
#endif
diff --git a/src/basic/parse-util.c b/src/basic/parse-util.c
index a3cb81b040..6c11b605a9 100644
--- a/src/basic/parse-util.c
+++ b/src/basic/parse-util.c
@@ -505,7 +505,7 @@ int parse_fractional_part_u(const char **p, size_t digits, unsigned *res) {
s = *p;
/* accept any number of digits, strtoull is limted to 19 */
- for(i=0; i < digits; i++,s++) {
+ for (i=0; i < digits; i++,s++) {
if (*s < '0' || *s > '9') {
if (i == 0)
return -EINVAL;
diff --git a/src/basic/process-util.c b/src/basic/process-util.c
index 27663eee51..ae3f6109ad 100644
--- a/src/basic/process-util.c
+++ b/src/basic/process-util.c
@@ -38,6 +38,7 @@
#endif
#include "alloc-util.h"
+#include "architecture.h"
#include "escape.h"
#include "fd-util.h"
#include "fileio.h"
@@ -674,75 +675,43 @@ bool oom_score_adjust_is_valid(int oa) {
}
unsigned long personality_from_string(const char *p) {
+ int architecture;
- /* Parse a personality specifier. We introduce our own
- * identifiers that indicate specific ABIs, rather than just
- * hints regarding the register size, since we want to keep
- * things open for multiple locally supported ABIs for the
- * same register size. We try to reuse the ABI identifiers
- * used by libseccomp. */
+ if (!p)
+ return PERSONALITY_INVALID;
-#if defined(__x86_64__)
+ /* Parse a personality specifier. We use our own identifiers that indicate specific ABIs, rather than just
+ * hints regarding the register size, since we want to keep things open for multiple locally supported ABIs for
+ * the same register size. */
- if (streq(p, "x86"))
- return PER_LINUX32;
+ architecture = architecture_from_string(p);
+ if (architecture < 0)
+ return PERSONALITY_INVALID;
- if (streq(p, "x86-64"))
+ if (architecture == native_architecture())
return PER_LINUX;
-
-#elif defined(__i386__)
-
- if (streq(p, "x86"))
- return PER_LINUX;
-
-#elif defined(__s390x__)
-
- if (streq(p, "s390"))
+#ifdef SECONDARY_ARCHITECTURE
+ if (architecture == SECONDARY_ARCHITECTURE)
return PER_LINUX32;
-
- if (streq(p, "s390x"))
- return PER_LINUX;
-
-#elif defined(__s390__)
-
- if (streq(p, "s390"))
- return PER_LINUX;
#endif
return PERSONALITY_INVALID;
}
const char* personality_to_string(unsigned long p) {
-
-#if defined(__x86_64__)
-
- if (p == PER_LINUX32)
- return "x86";
-
- if (p == PER_LINUX)
- return "x86-64";
-
-#elif defined(__i386__)
-
- if (p == PER_LINUX)
- return "x86";
-
-#elif defined(__s390x__)
+ int architecture = _ARCHITECTURE_INVALID;
if (p == PER_LINUX)
- return "s390x";
-
- if (p == PER_LINUX32)
- return "s390";
-
-#elif defined(__s390__)
-
- if (p == PER_LINUX)
- return "s390";
-
+ architecture = native_architecture();
+#ifdef SECONDARY_ARCHITECTURE
+ else if (p == PER_LINUX32)
+ architecture = SECONDARY_ARCHITECTURE;
#endif
- return NULL;
+ if (architecture < 0)
+ return NULL;
+
+ return architecture_to_string(architecture);
}
void valgrind_summary_hack(void) {
diff --git a/src/basic/signal-util.h b/src/basic/signal-util.h
index 72b10e8712..a7322ff26a 100644
--- a/src/basic/signal-util.h
+++ b/src/basic/signal-util.h
@@ -44,9 +44,9 @@ static inline void block_signals_reset(sigset_t *ss) {
assert_se(sigprocmask(SIG_SETMASK, ss, NULL) >= 0);
}
-#define BLOCK_SIGNALS(...) \
- _cleanup_(block_signals_reset) sigset_t _saved_sigset = ({ \
- sigset_t t; \
+#define BLOCK_SIGNALS(...) \
+ _cleanup_(block_signals_reset) _unused_ sigset_t _saved_sigset = ({ \
+ sigset_t t; \
assert_se(sigprocmask_many(SIG_BLOCK, &t, __VA_ARGS__, -1) >= 0); \
- t; \
+ t; \
})
diff --git a/src/basic/socket-util.c b/src/basic/socket-util.c
index 58512686e3..0f38f9a0f3 100644
--- a/src/basic/socket-util.c
+++ b/src/basic/socket-util.c
@@ -942,7 +942,7 @@ ssize_t next_datagram_size_fd(int fd) {
int k;
/* This is a bit like FIONREAD/SIOCINQ, however a bit more powerful. The difference being: recv(MSG_PEEK) will
- * actually cause the next datagram in the queue to be validated regarding checksums, which FIONREAD dosn't
+ * actually cause the next datagram in the queue to be validated regarding checksums, which FIONREAD doesn't
* do. This difference is actually of major importance as we need to be sure that the size returned here
* actually matches what we will read with recvmsg() next, as otherwise we might end up allocating a buffer of
* the wrong size. */
diff --git a/src/basic/stdio-util.h b/src/basic/stdio-util.h
index 0a675571ff..bd1144b4c9 100644
--- a/src/basic/stdio-util.h
+++ b/src/basic/stdio-util.h
@@ -73,4 +73,4 @@ do { \
assert_not_reached("Unknown format string argument."); \
} \
} \
-} while(false)
+} while (false)
diff --git a/src/basic/strbuf.c b/src/basic/strbuf.c
index dac2881603..797f00cf71 100644
--- a/src/basic/strbuf.c
+++ b/src/basic/strbuf.c
@@ -121,7 +121,7 @@ static void bubbleinsert(struct strbuf_node *node,
sizeof(struct strbuf_child_entry) * (node->children_count - left));
node->children[left] = new;
- node->children_count ++;
+ node->children_count++;
}
/* add string, return the index/offset into the buffer */
diff --git a/src/basic/string-util.c b/src/basic/string-util.c
index 0bde55f9d5..293a15f9c0 100644
--- a/src/basic/string-util.c
+++ b/src/basic/string-util.c
@@ -477,7 +477,7 @@ char *ellipsize_mem(const char *s, size_t old_length, size_t new_length, unsigne
}
if (k > x) /* last character was wide and went over quota */
- x ++;
+ x++;
for (j = s + old_length; k < new_length && j > i; ) {
char32_t c;
diff --git a/src/basic/time-util.c b/src/basic/time-util.c
index 9bfd8f4f7a..7ca764abeb 100644
--- a/src/basic/time-util.c
+++ b/src/basic/time-util.c
@@ -576,12 +576,12 @@ int parse_timestamp(const char *t, usec_t *usec) {
goto from_tm;
} else if (streq(t, "yesterday")) {
- tm.tm_mday --;
+ tm.tm_mday--;
tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
goto from_tm;
} else if (streq(t, "tomorrow")) {
- tm.tm_mday ++;
+ tm.tm_mday++;
tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
goto from_tm;
}
diff --git a/src/basic/utf8.c b/src/basic/utf8.c
index 629db123cd..6eae2b983d 100644
--- a/src/basic/utf8.c
+++ b/src/basic/utf8.c
@@ -241,7 +241,7 @@ char *utf8_escape_non_printable(const char *str) {
*(s++) = hexchar((int) *str);
str += 1;
- len --;
+ len--;
}
}
} else {
diff --git a/src/basic/virt.c b/src/basic/virt.c
index 19b6318e3d..e6c5a095a0 100644
--- a/src/basic/virt.c
+++ b/src/basic/virt.c
@@ -98,6 +98,8 @@ static int detect_vm_cpuid(void) {
: "0" (eax)
);
+ log_debug("Virtualization found, CPUID=%s", sig.text);
+
for (j = 0; j < ELEMENTSOF(cpuid_vendor_table); j ++)
if (streq(sig.text, cpuid_vendor_table[j].cpuid))
return cpuid_vendor_table[j].id;
@@ -105,6 +107,7 @@ static int detect_vm_cpuid(void) {
return VIRTUALIZATION_VM_OTHER;
}
#endif
+ log_debug("No virtualization found in CPUID");
return VIRTUALIZATION_NONE;
}
@@ -121,19 +124,25 @@ static int detect_vm_device_tree(void) {
dir = opendir("/proc/device-tree");
if (!dir) {
- if (errno == ENOENT)
+ if (errno == ENOENT) {
+ log_debug_errno(errno, "/proc/device-tree: %m");
return VIRTUALIZATION_NONE;
+ }
return -errno;
}
FOREACH_DIRENT(dent, dir, return -errno)
- if (strstr(dent->d_name, "fw-cfg"))
+ if (strstr(dent->d_name, "fw-cfg")) {
+ log_debug("Virtualization QEMU: \"fw-cfg\" present in /proc/device-tree/%s", dent->d_name);
return VIRTUALIZATION_QEMU;
+ }
+ log_debug("No virtualization found in /proc/device-tree/*");
return VIRTUALIZATION_NONE;
} else if (r < 0)
return r;
+ log_debug("Virtualization %s found in /proc/device-tree/hypervisor/compatible", hvtype);
if (streq(hvtype, "linux,kvm"))
return VIRTUALIZATION_KVM;
else if (strstr(hvtype, "xen"))
@@ -141,6 +150,7 @@ static int detect_vm_device_tree(void) {
else
return VIRTUALIZATION_VM_OTHER;
#else
+ log_debug("This platform does not support /proc/device-tree");
return VIRTUALIZATION_NONE;
#endif
}
@@ -184,30 +194,58 @@ static int detect_vm_dmi(void) {
return r;
}
+
+
for (j = 0; j < ELEMENTSOF(dmi_vendor_table); j++)
- if (startswith(s, dmi_vendor_table[j].vendor))
+ if (startswith(s, dmi_vendor_table[j].vendor)) {
+ log_debug("Virtualization %s found in DMI (%s)", s, dmi_vendors[i]);
return dmi_vendor_table[j].id;
+ }
}
#endif
+ log_debug("No virtualization found in DMI");
+
return VIRTUALIZATION_NONE;
}
static int detect_vm_xen(void) {
+ /* Check for Dom0 will be executed later in detect_vm_xen_dom0
+ Thats why we dont check the content of /proc/xen/capabilities here. */
+ if (access("/proc/xen/capabilities", F_OK) < 0) {
+ log_debug("Virtualization XEN not found, /proc/xen/capabilities does not exist");
+ return VIRTUALIZATION_NONE;
+ }
+
+ log_debug("Virtualization XEN found (/proc/xen/capabilities exists)");
+ return VIRTUALIZATION_XEN;
+
+}
+
+static bool detect_vm_xen_dom0(void) {
_cleanup_free_ char *domcap = NULL;
char *cap, *i;
int r;
r = read_one_line_file("/proc/xen/capabilities", &domcap);
- if (r == -ENOENT)
- return VIRTUALIZATION_NONE;
+ if (r == -ENOENT) {
+ log_debug("Virtualization XEN not found, /proc/xen/capabilities does not exist");
+ return false;
+ }
+ if (r < 0)
+ return r;
i = domcap;
while ((cap = strsep(&i, ",")))
if (streq(cap, "control_d"))
break;
+ if (!cap) {
+ log_debug("Virtualization XEN DomU found (/proc/xen/capabilites)");
+ return false;
+ }
- return cap ? VIRTUALIZATION_NONE : VIRTUALIZATION_XEN;
+ log_debug("Virtualization XEN Dom0 ignored (/proc/xen/capabilities)");
+ return true;
}
static int detect_vm_hypervisor(void) {
@@ -220,6 +258,8 @@ static int detect_vm_hypervisor(void) {
if (r < 0)
return r;
+ log_debug("Virtualization %s found in /sys/hypervisor/type", hvtype);
+
if (streq(hvtype, "xen"))
return VIRTUALIZATION_XEN;
else
@@ -234,9 +274,13 @@ static int detect_vm_uml(void) {
r = read_full_file("/proc/cpuinfo", &cpuinfo_contents, NULL);
if (r < 0)
return r;
- if (strstr(cpuinfo_contents, "\nvendor_id\t: User Mode Linux\n"))
+
+ if (strstr(cpuinfo_contents, "\nvendor_id\t: User Mode Linux\n")) {
+ log_debug("UML virtualization found in /proc/cpuinfo");
return VIRTUALIZATION_UML;
+ }
+ log_debug("No virtualization found in /proc/cpuinfo (%s)", cpuinfo_contents);
return VIRTUALIZATION_NONE;
}
@@ -252,11 +296,13 @@ static int detect_vm_zvm(void) {
if (r < 0)
return r;
+ log_debug("Virtualization %s found in /proc/sysinfo", t);
if (streq(t, "z/VM"))
return VIRTUALIZATION_ZVM;
else
return VIRTUALIZATION_KVM;
#else
+ log_debug("This platform does not support /proc/sysinfo");
return VIRTUALIZATION_NONE;
#endif
}
@@ -324,7 +370,14 @@ int detect_vm(void) {
return r;
finish:
+ /* x86 xen Dom0 is detected as XEN in hypervisor and maybe others.
+ * In order to detect the Dom0 as not virtualization we need to
+ * double-check it */
+ if (r == VIRTUALIZATION_XEN && detect_vm_xen_dom0())
+ r = VIRTUALIZATION_NONE;
+
cached_found = r;
+ log_debug("Found VM virtualization %s", virtualization_to_string(r));
return r;
}
@@ -412,6 +465,7 @@ int detect_container(void) {
r = VIRTUALIZATION_CONTAINER_OTHER;
finish:
+ log_debug("Found container virtualization %s", virtualization_to_string(r));
cached_found = r;
return r;
}
@@ -420,10 +474,10 @@ int detect_virtualization(void) {
int r;
r = detect_container();
- if (r != 0)
- return r;
+ if (r == 0)
+ r = detect_vm();
- return detect_vm();
+ return r;
}
int running_in_chroot(void) {
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-08-10 21:02:59 +0000