build-sys: merge libsystemd-daemon into libsystemd

1 files changed, 0 insertions, 587 deletions

diff --git a/src/libsystemd-daemon/sd-daemon.c b/src/libsystemd-daemon/sd-daemon.c
deleted file mode 100644
index 1a713ef2e8..0000000000
--- a/src/libsystemd-daemon/sd-daemon.c
+++ /dev/null
@@ -1,587 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
-  Copyright 2010 Lennart Poettering
-
-  Permission is hereby granted, free of charge, to any person
-  obtaining a copy of this software and associated documentation files
-  (the "Software"), to deal in the Software without restriction,
-  including without limitation the rights to use, copy, modify, merge,
-  publish, distribute, sublicense, and/or sell copies of the Software,
-  and to permit persons to whom the Software is furnished to do so,
-  subject to the following conditions:
-
-  The above copyright notice and this permission notice shall be
-  included in all copies or substantial portions of the Software.
-
-  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
-  BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-  SOFTWARE.
-***/
-
-#ifndef _GNU_SOURCE
-#  define _GNU_SOURCE
-#endif
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <fcntl.h>
-#include <netinet/in.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stddef.h>
-#include <limits.h>
-
-#if defined(__linux__) && !defined(SD_DAEMON_DISABLE_MQ)
-#  include <mqueue.h>
-#endif
-
-#include "util.h"
-#include "sd-daemon.h"
-
-#if (__GNUC__ >= 4)
-#  ifdef SD_EXPORT_SYMBOLS
-/* Export symbols */
-#    define _sd_export_ __attribute__ ((visibility("default")))
-#  else
-/* Don't export the symbols */
-#    define _sd_export_ __attribute__ ((visibility("hidden")))
-#  endif
-#else
-#  define _sd_export_
-#endif
-
-_sd_export_ int sd_listen_fds(int unset_environment) {
-
-#if defined(DISABLE_SYSTEMD) || !defined(__linux__)
-        return 0;
-#else
-        int r, fd;
-        const char *e;
-        char *p = NULL;
-        unsigned long l;
-
-        e = getenv("LISTEN_PID");
-        if (!e) {
-                r = 0;
-                goto finish;
-        }
-
-        errno = 0;
-        l = strtoul(e, &p, 10);
-
-        if (errno > 0) {
-                r = -errno;
-                goto finish;
-        }
-
-        if (!p || p == e || *p || l <= 0) {
-                r = -EINVAL;
-                goto finish;
-        }
-
-        /* Is this for us? */
-        if (getpid() != (pid_t) l) {
-                r = 0;
-                goto finish;
-        }
-
-        e = getenv("LISTEN_FDS");
-        if (!e) {
-                r = 0;
-                goto finish;
-        }
-
-        errno = 0;
-        l = strtoul(e, &p, 10);
-
-        if (errno > 0) {
-                r = -errno;
-                goto finish;
-        }
-
-        if (!p || p == e || *p) {
-                r = -EINVAL;
-                goto finish;
-        }
-
-        for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + (int) l; fd ++) {
-                int flags;
-
-                flags = fcntl(fd, F_GETFD);
-                if (flags < 0) {
-                        r = -errno;
-                        goto finish;
-                }
-
-                if (flags & FD_CLOEXEC)
-                        continue;
-
-                if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) < 0) {
-                        r = -errno;
-                        goto finish;
-                }
-        }
-
-        r = (int) l;
-
-finish:
-        if (unset_environment) {
-                unsetenv("LISTEN_PID");
-                unsetenv("LISTEN_FDS");
-        }
-
-        return r;
-#endif
-}
-
-_sd_export_ int sd_is_fifo(int fd, const char *path) {
-        struct stat st_fd;
-
-        if (fd < 0)
-                return -EINVAL;
-
-        if (fstat(fd, &st_fd) < 0)
-                return -errno;
-
-        if (!S_ISFIFO(st_fd.st_mode))
-                return 0;
-
-        if (path) {
-                struct stat st_path;
-
-                if (stat(path, &st_path) < 0) {
-
-                        if (errno == ENOENT || errno == ENOTDIR)
-                                return 0;
-
-                        return -errno;
-                }
-
-                return
-                        st_path.st_dev == st_fd.st_dev &&
-                        st_path.st_ino == st_fd.st_ino;
-        }
-
-        return 1;
-}
-
-_sd_export_ int sd_is_special(int fd, const char *path) {
-        struct stat st_fd;
-
-        if (fd < 0)
-                return -EINVAL;
-
-        if (fstat(fd, &st_fd) < 0)
-                return -errno;
-
-        if (!S_ISREG(st_fd.st_mode) && !S_ISCHR(st_fd.st_mode))
-                return 0;
-
-        if (path) {
-                struct stat st_path;
-
-                if (stat(path, &st_path) < 0) {
-
-                        if (errno == ENOENT || errno == ENOTDIR)
-                                return 0;
-
-                        return -errno;
-                }
-
-                if (S_ISREG(st_fd.st_mode) && S_ISREG(st_path.st_mode))
-                        return
-                                st_path.st_dev == st_fd.st_dev &&
-                                st_path.st_ino == st_fd.st_ino;
-                else if (S_ISCHR(st_fd.st_mode) && S_ISCHR(st_path.st_mode))
-                        return st_path.st_rdev == st_fd.st_rdev;
-                else
-                        return 0;
-        }
-
-        return 1;
-}
-
-static int sd_is_socket_internal(int fd, int type, int listening) {
-        struct stat st_fd;
-
-        if (fd < 0 || type < 0)
-                return -EINVAL;
-
-        if (fstat(fd, &st_fd) < 0)
-                return -errno;
-
-        if (!S_ISSOCK(st_fd.st_mode))
-                return 0;
-
-        if (type != 0) {
-                int other_type = 0;
-                socklen_t l = sizeof(other_type);
-
-                if (getsockopt(fd, SOL_SOCKET, SO_TYPE, &other_type, &l) < 0)
-                        return -errno;
-
-                if (l != sizeof(other_type))
-                        return -EINVAL;
-
-                if (other_type != type)
-                        return 0;
-        }
-
-        if (listening >= 0) {
-                int accepting = 0;
-                socklen_t l = sizeof(accepting);
-
-                if (getsockopt(fd, SOL_SOCKET, SO_ACCEPTCONN, &accepting, &l) < 0)
-                        return -errno;
-
-                if (l != sizeof(accepting))
-                        return -EINVAL;
-
-                if (!accepting != !listening)
-                        return 0;
-        }
-
-        return 1;
-}
-
-union sockaddr_union {
-        struct sockaddr sa;
-        struct sockaddr_in in4;
-        struct sockaddr_in6 in6;
-        struct sockaddr_un un;
-        struct sockaddr_storage storage;
-};
-
-_sd_export_ int sd_is_socket(int fd, int family, int type, int listening) {
-        int r;
-
-        if (family < 0)
-                return -EINVAL;
-
-        r = sd_is_socket_internal(fd, type, listening);
-        if (r <= 0)
-                return r;
-
-        if (family > 0) {
-                union sockaddr_union sockaddr = {};
-                socklen_t l = sizeof(sockaddr);
-
-                if (getsockname(fd, &sockaddr.sa, &l) < 0)
-                        return -errno;
-
-                if (l < sizeof(sa_family_t))
-                        return -EINVAL;
-
-                return sockaddr.sa.sa_family == family;
-        }
-
-        return 1;
-}
-
-_sd_export_ int sd_is_socket_inet(int fd, int family, int type, int listening, uint16_t port) {
-        union sockaddr_union sockaddr = {};
-        socklen_t l = sizeof(sockaddr);
-        int r;
-
-        if (family != 0 && family != AF_INET && family != AF_INET6)
-                return -EINVAL;
-
-        r = sd_is_socket_internal(fd, type, listening);
-        if (r <= 0)
-                return r;
-
-        if (getsockname(fd, &sockaddr.sa, &l) < 0)
-                return -errno;
-
-        if (l < sizeof(sa_family_t))
-                return -EINVAL;
-
-        if (sockaddr.sa.sa_family != AF_INET &&
-            sockaddr.sa.sa_family != AF_INET6)
-                return 0;
-
-        if (family > 0)
-                if (sockaddr.sa.sa_family != family)
-                        return 0;
-
-        if (port > 0) {
-                if (sockaddr.sa.sa_family == AF_INET) {
-                        if (l < sizeof(struct sockaddr_in))
-                                return -EINVAL;
-
-                        return htons(port) == sockaddr.in4.sin_port;
-                } else {
-                        if (l < sizeof(struct sockaddr_in6))
-                                return -EINVAL;
-
-                        return htons(port) == sockaddr.in6.sin6_port;
-                }
-        }
-
-        return 1;
-}
-
-_sd_export_ int sd_is_socket_unix(int fd, int type, int listening, const char *path, size_t length) {
-        union sockaddr_union sockaddr = {};
-        socklen_t l = sizeof(sockaddr);
-        int r;
-
-        r = sd_is_socket_internal(fd, type, listening);
-        if (r <= 0)
-                return r;
-
-        if (getsockname(fd, &sockaddr.sa, &l) < 0)
-                return -errno;
-
-        if (l < sizeof(sa_family_t))
-                return -EINVAL;
-
-        if (sockaddr.sa.sa_family != AF_UNIX)
-                return 0;
-
-        if (path) {
-                if (length == 0)
-                        length = strlen(path);
-
-                if (length == 0)
-                        /* Unnamed socket */
-                        return l == offsetof(struct sockaddr_un, sun_path);
-
-                if (path[0])
-                        /* Normal path socket */
-                        return
-                                (l >= offsetof(struct sockaddr_un, sun_path) + length + 1) &&
-                                memcmp(path, sockaddr.un.sun_path, length+1) == 0;
-                else
-                        /* Abstract namespace socket */
-                        return
-                                (l == offsetof(struct sockaddr_un, sun_path) + length) &&
-                                memcmp(path, sockaddr.un.sun_path, length) == 0;
-        }
-
-        return 1;
-}
-
-_sd_export_ int sd_is_mq(int fd, const char *path) {
-#if !defined(__linux__) || defined(SD_DAEMON_DISABLE_MQ)
-        return 0;
-#else
-        struct mq_attr attr;
-
-        if (fd < 0)
-                return -EINVAL;
-
-        if (mq_getattr(fd, &attr) < 0)
-                return -errno;
-
-        if (path) {
-                char fpath[PATH_MAX];
-                struct stat a, b;
-
-                if (path[0] != '/')
-                        return -EINVAL;
-
-                if (fstat(fd, &a) < 0)
-                        return -errno;
-
-                strncpy(stpcpy(fpath, "/dev/mqueue"), path, sizeof(fpath) - 12);
-                fpath[sizeof(fpath)-1] = 0;
-
-                if (stat(fpath, &b) < 0)
-                        return -errno;
-
-                if (a.st_dev != b.st_dev ||
-                    a.st_ino != b.st_ino)
-                        return 0;
-        }
-
-        return 1;
-#endif
-}
-
-_sd_export_ int sd_notify(int unset_environment, const char *state) {
-#if defined(DISABLE_SYSTEMD) || !defined(__linux__) || !defined(SOCK_CLOEXEC)
-        return 0;
-#else
-        int fd = -1, r;
-        struct msghdr msghdr;
-        struct iovec iovec;
-        union sockaddr_union sockaddr;
-        const char *e;
-
-        if (!state) {
-                r = -EINVAL;
-                goto finish;
-        }
-
-        e = getenv("NOTIFY_SOCKET");
-        if (!e)
-                return 0;
-
-        /* Must be an abstract socket, or an absolute path */
-        if ((e[0] != '@' && e[0] != '/') || e[1] == 0) {
-                r = -EINVAL;
-                goto finish;
-        }
-
-        fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0);
-        if (fd < 0) {
-                r = -errno;
-                goto finish;
-        }
-
-        memzero(&sockaddr, sizeof(sockaddr));
-        sockaddr.sa.sa_family = AF_UNIX;
-        strncpy(sockaddr.un.sun_path, e, sizeof(sockaddr.un.sun_path));
-
-        if (sockaddr.un.sun_path[0] == '@')
-                sockaddr.un.sun_path[0] = 0;
-
-        memzero(&iovec, sizeof(iovec));
-        iovec.iov_base = (char*) state;
-        iovec.iov_len = strlen(state);
-
-        memzero(&msghdr, sizeof(msghdr));
-        msghdr.msg_name = &sockaddr;
-        msghdr.msg_namelen = offsetof(struct sockaddr_un, sun_path) + strlen(e);
-
-        if (msghdr.msg_namelen > sizeof(struct sockaddr_un))
-                msghdr.msg_namelen = sizeof(struct sockaddr_un);
-
-        msghdr.msg_iov = &iovec;
-        msghdr.msg_iovlen = 1;
-
-        if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0) {
-                r = -errno;
-                goto finish;
-        }
-
-        r = 1;
-
-finish:
-        if (unset_environment)
-                unsetenv("NOTIFY_SOCKET");
-
-        if (fd >= 0)
-                close(fd);
-
-        return r;
-#endif
-}
-
-_sd_export_ int sd_notifyf(int unset_environment, const char *format, ...) {
-#if defined(DISABLE_SYSTEMD) || !defined(__linux__)
-        return 0;
-#else
-        va_list ap;
-        char *p = NULL;
-        int r;
-
-        va_start(ap, format);
-        r = vasprintf(&p, format, ap);
-        va_end(ap);
-
-        if (r < 0 || !p)
-                return -ENOMEM;
-
-        r = sd_notify(unset_environment, p);
-        free(p);
-
-        return r;
-#endif
-}
-
-_sd_export_ int sd_booted(void) {
-#if defined(DISABLE_SYSTEMD) || !defined(__linux__)
-        return 0;
-#else
-        struct stat st;
-
-        /* We test whether the runtime unit file directory has been
-         * created. This takes place in mount-setup.c, so is
-         * guaranteed to happen very early during boot. */
-
-        if (lstat("/run/systemd/system/", &st) < 0)
-                return 0;
-
-        return !!S_ISDIR(st.st_mode);
-#endif
-}
-
-_sd_export_ int sd_watchdog_enabled(int unset_environment, uint64_t *usec) {
-
-#if defined(DISABLE_SYSTEMD) || !defined(__linux__)
-        return 0;
-#else
-        unsigned long long ll;
-        unsigned long l;
-        const char *e;
-        char *p = NULL;
-        int r;
-
-        e = getenv("WATCHDOG_PID");
-        if (!e) {
-                r = 0;
-                goto finish;
-        }
-
-        errno = 0;
-        l = strtoul(e, &p, 10);
-        if (errno > 0) {
-                r = -errno;
-                goto finish;
-        }
-        if (!p || p == e || *p || l <= 0) {
-                r = -EINVAL;
-                goto finish;
-        }
-
-        /* Is this for us? */
-        if (getpid() != (pid_t) l) {
-                r = 0;
-                goto finish;
-        }
-
-        e = getenv("WATCHDOG_USEC");
-        if (!e) {
-                r = -EINVAL;
-                goto finish;
-        }
-
-        errno = 0;
-        ll = strtoull(e, &p, 10);
-        if (errno > 0) {
-                r = -errno;
-                goto finish;
-        }
-        if (!p || p == e || *p || l <= 0) {
-                r = -EINVAL;
-                goto finish;
-        }
-
-        if (usec)
-                *usec = ll;
-
-        r = 1;
-
-finish:
-        if (unset_environment) {
-                unsetenv("WATCHDOG_PID");
-                unsetenv("WATCHDOG_USEC");
-        }
-
-        return r;
-#endif
-}