X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fjournal%2Fjournald-native.c;h=f98269625542a96ba9ca2684e40a67978cea1d85;hb=ab31f6b8713d43354c3716ee4c37fe4460db9254;hp=d3735ec73c598706516355aae48239c81afc7bb4;hpb=73843b52585d42cc1a970a1c664818ece6942e9e;p=elogind.git diff --git a/src/journal/journald-native.c b/src/journal/journald-native.c index d3735ec73..f98269625 100644 --- a/src/journal/journald-native.c +++ b/src/journal/journald-native.c @@ -33,7 +33,7 @@ #include "journald-console.h" #include "journald-syslog.h" #include "journald-wall.h" -#include "memfd.h" +#include "memfd-util.h" bool valid_user_field(const char *p, size_t l, bool allow_protected) { const char *a; @@ -70,15 +70,15 @@ bool valid_user_field(const char *p, size_t l, bool allow_protected) { return true; } -static bool allow_object_pid(struct ucred *ucred) { +static bool allow_object_pid(const struct ucred *ucred) { return ucred && ucred->uid == 0; } void server_process_native_message( Server *s, const void *buffer, size_t buffer_size, - struct ucred *ucred, - struct timeval *tv, + const struct ucred *ucred, + const struct timeval *tv, const char *label, size_t label_len) { struct iovec *iovec = NULL; @@ -303,8 +303,8 @@ finish: void server_process_native_file( Server *s, int fd, - struct ucred *ucred, - struct timeval *tv, + const struct ucred *ucred, + const struct timeval *tv, const char *label, size_t label_len) { struct stat st; @@ -336,7 +336,7 @@ void server_process_native_file( r = readlink_malloc(sl, &k); if (r < 0) { - log_error("readlink(%s) failed: %m", sl); + log_error_errno(errno, "readlink(%s) failed: %m", sl); return; } @@ -357,7 +357,7 @@ void server_process_native_file( } if (fstat(fd, &st) < 0) { - log_error("Failed to stat passed file, ignoring: %m"); + log_error_errno(errno, "Failed to stat passed file, ignoring: %m"); return; } @@ -383,7 +383,7 @@ void server_process_native_file( ps = PAGE_ALIGN(st.st_size); p = mmap(NULL, ps, PROT_READ, MAP_PRIVATE, fd, 0); if (p == MAP_FAILED) { - log_error("Failed to map memfd, ignoring: %m"); + log_error_errno(errno, "Failed to map memfd, ignoring: %m"); return; } @@ -405,14 +405,15 @@ void server_process_native_file( n = pread(fd, p, st.st_size, 0); if (n < 0) - log_error("Failed to read file, ignoring: %s", strerror(-n)); + log_error_errno(n, "Failed to read file, ignoring: %m"); else if (n > 0) server_process_native_message(s, p, n, ucred, tv, label, label_len); } } int server_open_native_socket(Server*s) { - int one, r; + static const int one = 1; + int r; assert(s); @@ -423,51 +424,38 @@ int server_open_native_socket(Server*s) { }; s->native_fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); - if (s->native_fd < 0) { - log_error("socket() failed: %m"); - return -errno; - } + if (s->native_fd < 0) + return log_error_errno(errno, "socket() failed: %m"); unlink(sa.un.sun_path); r = bind(s->native_fd, &sa.sa, offsetof(union sockaddr_union, un.sun_path) + strlen(sa.un.sun_path)); - if (r < 0) { - log_error("bind(%s) failed: %m", sa.un.sun_path); - return -errno; - } + if (r < 0) + return log_error_errno(errno, "bind(%s) failed: %m", sa.un.sun_path); chmod(sa.un.sun_path, 0666); } else fd_nonblock(s->native_fd, 1); - one = 1; r = setsockopt(s->native_fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one)); - if (r < 0) { - log_error("SO_PASSCRED failed: %m"); - return -errno; - } + if (r < 0) + return log_error_errno(errno, "SO_PASSCRED failed: %m"); #ifdef HAVE_SELINUX if (mac_selinux_use()) { - one = 1; r = setsockopt(s->native_fd, SOL_SOCKET, SO_PASSSEC, &one, sizeof(one)); if (r < 0) - log_warning("SO_PASSSEC failed: %m"); + log_warning_errno(errno, "SO_PASSSEC failed: %m"); } #endif - one = 1; r = setsockopt(s->native_fd, SOL_SOCKET, SO_TIMESTAMP, &one, sizeof(one)); - if (r < 0) { - log_error("SO_TIMESTAMP failed: %m"); - return -errno; - } + if (r < 0) + return log_error_errno(errno, "SO_TIMESTAMP failed: %m"); r = sd_event_add_io(s->event, &s->native_event_source, s->native_fd, EPOLLIN, process_datagram, s); - if (r < 0) { - log_error("Failed to add native server fd to event loop: %s", strerror(-r)); - return r; - } + if (r < 0) + return log_error_errno(r, "Failed to add native server fd to event loop: %m"); return 0; }