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-rw-r--r--src/basic/architecture.c2
-rw-r--r--src/basic/architecture.h2
-rw-r--r--src/basic/io-util.c5
-rw-r--r--src/basic/locale-util.c49
-rw-r--r--src/basic/locale-util.h24
-rw-r--r--src/basic/log.c6
-rw-r--r--src/basic/missing.h4
-rw-r--r--src/basic/socket-util.c78
-rw-r--r--src/basic/socket-util.h15
-rw-r--r--src/basic/special.h1
10 files changed, 145 insertions, 41 deletions
diff --git a/src/basic/architecture.c b/src/basic/architecture.c
index 8e2c2b02d2..b1c8e91f50 100644
--- a/src/basic/architecture.c
+++ b/src/basic/architecture.c
@@ -63,7 +63,7 @@ int uname_architecture(void) {
#elif defined(__s390__) || defined(__s390x__)
{ "s390x", ARCHITECTURE_S390X },
{ "s390", ARCHITECTURE_S390 },
-#elif defined(__sparc__) || defined(__sparc64__)
+#elif defined(__sparc__)
{ "sparc64", ARCHITECTURE_SPARC64 },
{ "sparc", ARCHITECTURE_SPARC },
#elif defined(__mips__) || defined(__mips64__)
diff --git a/src/basic/architecture.h b/src/basic/architecture.h
index 91ec108e04..b3e4d85906 100644
--- a/src/basic/architecture.h
+++ b/src/basic/architecture.h
@@ -116,7 +116,7 @@ int uname_architecture(void);
#elif defined(__s390__)
# define native_architecture() ARCHITECTURE_S390
# define LIB_ARCH_TUPLE "s390-linux-gnu"
-#elif defined(__sparc64__)
+#elif defined(__sparc__) && defined (__arch64__)
# define native_architecture() ARCHITECTURE_SPARC64
# define LIB_ARCH_TUPLE "sparc64-linux-gnu"
#elif defined(__sparc__)
diff --git a/src/basic/io-util.c b/src/basic/io-util.c
index 0037a37f2a..cc6dfa8c1b 100644
--- a/src/basic/io-util.c
+++ b/src/basic/io-util.c
@@ -33,6 +33,11 @@ int flush_fd(int fd) {
.events = POLLIN,
};
+ /* Read from the specified file descriptor, until POLLIN is not set anymore, throwing away everything
+ * read. Note that some file descriptors (notable IP sockets) will trigger POLLIN even when no data can be read
+ * (due to IP packet checksum mismatches), hence this function is only safe to be non-blocking if the fd used
+ * was set to non-blocking too. */
+
for (;;) {
char buf[LINE_MAX];
ssize_t l;
diff --git a/src/basic/locale-util.c b/src/basic/locale-util.c
index eaad25e65b..ada0a28cd8 100644
--- a/src/basic/locale-util.c
+++ b/src/basic/locale-util.c
@@ -271,34 +271,35 @@ out:
}
-const char *draw_special_char(DrawSpecialChar ch) {
-
- static const char *draw_table[2][_DRAW_SPECIAL_CHAR_MAX] = {
-
- /* UTF-8 */ {
- [DRAW_TREE_VERTICAL] = "\342\224\202 ", /* │ */
- [DRAW_TREE_BRANCH] = "\342\224\234\342\224\200", /* ├─ */
- [DRAW_TREE_RIGHT] = "\342\224\224\342\224\200", /* └─ */
- [DRAW_TREE_SPACE] = " ", /* */
- [DRAW_TRIANGULAR_BULLET] = "\342\200\243", /* ‣ */
- [DRAW_BLACK_CIRCLE] = "\342\227\217", /* ● */
- [DRAW_ARROW] = "\342\206\222", /* → */
- [DRAW_DASH] = "\342\200\223", /* – */
+const char *special_glyph(SpecialGlyph code) {
+
+ static const char* const draw_table[2][_SPECIAL_GLYPH_MAX] = {
+ /* ASCII fallback */
+ [false] = {
+ [TREE_VERTICAL] = "| ",
+ [TREE_BRANCH] = "|-",
+ [TREE_RIGHT] = "`-",
+ [TREE_SPACE] = " ",
+ [TRIANGULAR_BULLET] = ">",
+ [BLACK_CIRCLE] = "*",
+ [ARROW] = "->",
+ [MDASH] = "-",
},
- /* ASCII fallback */ {
- [DRAW_TREE_VERTICAL] = "| ",
- [DRAW_TREE_BRANCH] = "|-",
- [DRAW_TREE_RIGHT] = "`-",
- [DRAW_TREE_SPACE] = " ",
- [DRAW_TRIANGULAR_BULLET] = ">",
- [DRAW_BLACK_CIRCLE] = "*",
- [DRAW_ARROW] = "->",
- [DRAW_DASH] = "-",
- }
+ /* UTF-8 */
+ [ true ] = {
+ [TREE_VERTICAL] = "\342\224\202 ", /* │ */
+ [TREE_BRANCH] = "\342\224\234\342\224\200", /* ├─ */
+ [TREE_RIGHT] = "\342\224\224\342\224\200", /* └─ */
+ [TREE_SPACE] = " ", /* */
+ [TRIANGULAR_BULLET] = "\342\200\243", /* ‣ */
+ [BLACK_CIRCLE] = "\342\227\217", /* ● */
+ [ARROW] = "\342\206\222", /* → */
+ [MDASH] = "\342\200\223", /* – */
+ },
};
- return draw_table[!is_locale_utf8()][ch];
+ return draw_table[is_locale_utf8()][code];
}
static const char * const locale_variable_table[_VARIABLE_LC_MAX] = {
diff --git a/src/basic/locale-util.h b/src/basic/locale-util.h
index b0f9679286..0630a034ab 100644
--- a/src/basic/locale-util.h
+++ b/src/basic/locale-util.h
@@ -55,19 +55,19 @@ void init_gettext(void);
bool is_locale_utf8(void);
-typedef enum DrawSpecialChar {
- DRAW_TREE_VERTICAL,
- DRAW_TREE_BRANCH,
- DRAW_TREE_RIGHT,
- DRAW_TREE_SPACE,
- DRAW_TRIANGULAR_BULLET,
- DRAW_BLACK_CIRCLE,
- DRAW_ARROW,
- DRAW_DASH,
- _DRAW_SPECIAL_CHAR_MAX
-} DrawSpecialChar;
+typedef enum {
+ TREE_VERTICAL,
+ TREE_BRANCH,
+ TREE_RIGHT,
+ TREE_SPACE,
+ TRIANGULAR_BULLET,
+ BLACK_CIRCLE,
+ ARROW,
+ MDASH,
+ _SPECIAL_GLYPH_MAX
+} SpecialGlyph;
-const char *draw_special_char(DrawSpecialChar ch);
+const char *special_glyph(SpecialGlyph code) _const_;
const char* locale_variable_to_string(LocaleVariable i) _const_;
LocaleVariable locale_variable_from_string(const char *s) _pure_;
diff --git a/src/basic/log.c b/src/basic/log.c
index d89e6f7274..3ea643b6e6 100644
--- a/src/basic/log.c
+++ b/src/basic/log.c
@@ -165,7 +165,7 @@ static int log_open_syslog(void) {
goto fail;
}
- if (connect(syslog_fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path)) < 0) {
+ if (connect(syslog_fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)) < 0) {
safe_close(syslog_fd);
/* Some legacy syslog systems still use stream
@@ -177,7 +177,7 @@ static int log_open_syslog(void) {
goto fail;
}
- if (connect(syslog_fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path)) < 0) {
+ if (connect(syslog_fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)) < 0) {
r = -errno;
goto fail;
}
@@ -215,7 +215,7 @@ static int log_open_journal(void) {
goto fail;
}
- if (connect(journal_fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path)) < 0) {
+ if (connect(journal_fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)) < 0) {
r = -errno;
goto fail;
}
diff --git a/src/basic/missing.h b/src/basic/missing.h
index 22ea8f67cc..651e414395 100644
--- a/src/basic/missing.h
+++ b/src/basic/missing.h
@@ -389,6 +389,10 @@ struct btrfs_ioctl_quota_ctl_args {
struct btrfs_ioctl_qgroup_limit_args)
#endif
+#ifndef BTRFS_IOC_QUOTA_RESCAN_WAIT
+#define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46)
+#endif
+
#ifndef BTRFS_FIRST_FREE_OBJECTID
#define BTRFS_FIRST_FREE_OBJECTID 256
#endif
diff --git a/src/basic/socket-util.c b/src/basic/socket-util.c
index 0f38f9a0f3..c8769a54f4 100644
--- a/src/basic/socket-util.c
+++ b/src/basic/socket-util.c
@@ -23,6 +23,7 @@
#include <net/if.h>
#include <netdb.h>
#include <netinet/ip.h>
+#include <poll.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
@@ -42,7 +43,9 @@
#include "socket-util.h"
#include "string-table.h"
#include "string-util.h"
+#include "strv.h"
#include "user-util.h"
+#include "utf8.h"
#include "util.h"
int socket_address_parse(SocketAddress *a, const char *s) {
@@ -794,6 +797,42 @@ static const char* const ip_tos_table[] = {
DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(ip_tos, int, 0xff);
+bool ifname_valid(const char *p) {
+ bool numeric = true;
+
+ /* Checks whether a network interface name is valid. This is inspired by dev_valid_name() in the kernel sources
+ * but slightly stricter, as we only allow non-control, non-space ASCII characters in the interface name. We
+ * also don't permit names that only container numbers, to avoid confusion with numeric interface indexes. */
+
+ if (isempty(p))
+ return false;
+
+ if (strlen(p) >= IFNAMSIZ)
+ return false;
+
+ if (STR_IN_SET(p, ".", ".."))
+ return false;
+
+ while (*p) {
+ if ((unsigned char) *p >= 127U)
+ return false;
+
+ if ((unsigned char) *p <= 32U)
+ return false;
+
+ if (*p == ':' || *p == '/')
+ return false;
+
+ numeric = numeric && (*p >= '0' && *p <= '9');
+ p++;
+ }
+
+ if (numeric)
+ return false;
+
+ return true;
+}
+
int getpeercred(int fd, struct ucred *ucred) {
socklen_t n = sizeof(struct ucred);
struct ucred u;
@@ -970,3 +1009,42 @@ fallback:
return (ssize_t) k;
}
+
+int flush_accept(int fd) {
+
+ struct pollfd pollfd = {
+ .fd = fd,
+ .events = POLLIN,
+ };
+ int r;
+
+
+ /* Similar to flush_fd() but flushes all incoming connection by accepting them and immediately closing them. */
+
+ for (;;) {
+ int cfd;
+
+ r = poll(&pollfd, 1, 0);
+ if (r < 0) {
+ if (errno == EINTR)
+ continue;
+
+ return -errno;
+
+ } else if (r == 0)
+ return 0;
+
+ cfd = accept4(fd, NULL, NULL, SOCK_NONBLOCK|SOCK_CLOEXEC);
+ if (cfd < 0) {
+ if (errno == EINTR)
+ continue;
+
+ if (errno == EAGAIN)
+ return 0;
+
+ return -errno;
+ }
+
+ close(cfd);
+ }
+}
diff --git a/src/basic/socket-util.h b/src/basic/socket-util.h
index d17a2f35f8..e9230e4a9f 100644
--- a/src/basic/socket-util.h
+++ b/src/basic/socket-util.h
@@ -123,6 +123,8 @@ int fd_inc_rcvbuf(int fd, size_t n);
int ip_tos_to_string_alloc(int i, char **s);
int ip_tos_from_string(const char *s);
+bool ifname_valid(const char *p);
+
int getpeercred(int fd, struct ucred *ucred);
int getpeersec(int fd, char **ret);
@@ -135,5 +137,18 @@ int receive_one_fd(int transport_fd, int flags);
ssize_t next_datagram_size_fd(int fd);
+int flush_accept(int fd);
+
#define CMSG_FOREACH(cmsg, mh) \
for ((cmsg) = CMSG_FIRSTHDR(mh); (cmsg); (cmsg) = CMSG_NXTHDR((mh), (cmsg)))
+
+/* Covers only file system and abstract AF_UNIX socket addresses, but not unnamed socket addresses. */
+#define SOCKADDR_UN_LEN(sa) \
+ ({ \
+ const struct sockaddr_un *_sa = &(sa); \
+ assert(_sa->sun_family == AF_UNIX); \
+ offsetof(struct sockaddr_un, sun_path) + \
+ (_sa->sun_path[0] == 0 ? \
+ 1 + strnlen(_sa->sun_path+1, sizeof(_sa->sun_path)-1) : \
+ strnlen(_sa->sun_path, sizeof(_sa->sun_path))); \
+ })
diff --git a/src/basic/special.h b/src/basic/special.h
index 2fd03d9f75..084d3dfa23 100644
--- a/src/basic/special.h
+++ b/src/basic/special.h
@@ -52,6 +52,7 @@
#define SPECIAL_LOCAL_FS_TARGET "local-fs.target"
#define SPECIAL_LOCAL_FS_PRE_TARGET "local-fs-pre.target"
#define SPECIAL_INITRD_FS_TARGET "initrd-fs.target"
+#define SPECIAL_INITRD_ROOT_DEVICE_TARGET "initrd-root-device.target"
#define SPECIAL_INITRD_ROOT_FS_TARGET "initrd-root-fs.target"
#define SPECIAL_REMOTE_FS_TARGET "remote-fs.target" /* LSB's $remote_fs */
#define SPECIAL_REMOTE_FS_PRE_TARGET "remote-fs-pre.target"
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-26 03:37:39 +0000