X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fjournal%2Fjournald.c;h=c429896ac40cbd4aa9cb8530da247fe853743fbb;hp=93cdec6c6c6dacebdec54994c30c80012aea21cf;hb=a6903061530cac5fbaa99a080a93221c02c349f9;hpb=5e62067d08d989ab98b12497a9b27a877de8515b diff --git a/src/journal/journald.c b/src/journal/journald.c index 93cdec6c6..c429896ac 100644 --- a/src/journal/journald.c +++ b/src/journal/journald.c @@ -6,16 +6,16 @@ Copyright 2011 Lennart Poettering systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or + 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 - General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ @@ -29,13 +29,13 @@ #include #include #include -#include #include #include #include #include +#include "mkdir.h" #include "hashmap.h" #include "journal-file.h" #include "socket-util.h" @@ -154,13 +154,10 @@ static uint64_t available_space(Server *s) { for (;;) { struct stat st; struct dirent buf, *de; - int k; - k = readdir_r(d, &buf, &de); - if (k != 0) { - r = -k; - goto finish; - } + r = readdir_r(d, &buf, &de); + if (r != 0) + break; if (!de) break; @@ -333,7 +330,10 @@ static void server_rotate(Server *s) { if (s->runtime_journal) { r = journal_file_rotate(&s->runtime_journal); if (r < 0) - log_error("Failed to rotate %s: %s", s->runtime_journal->path, strerror(-r)); + if (s->runtime_journal) + log_error("Failed to rotate %s: %s", s->runtime_journal->path, strerror(-r)); + else + log_error("Failed to create new runtime journal: %s", strerror(-r)); else server_fix_perms(s, s->runtime_journal, 0); } @@ -341,7 +341,11 @@ static void server_rotate(Server *s) { if (s->system_journal) { r = journal_file_rotate(&s->system_journal); if (r < 0) - log_error("Failed to rotate %s: %s", s->system_journal->path, strerror(-r)); + if (s->system_journal) + log_error("Failed to rotate %s: %s", s->system_journal->path, strerror(-r)); + else + log_error("Failed to create new system journal: %s", strerror(-r)); + else server_fix_perms(s, s->system_journal, 0); } @@ -349,7 +353,10 @@ static void server_rotate(Server *s) { HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) { r = journal_file_rotate(&f); if (r < 0) - log_error("Failed to rotate %s: %s", f->path, strerror(-r)); + if (f->path) + log_error("Failed to rotate %s: %s", f->path, strerror(-r)); + else + log_error("Failed to create user journal: %s", strerror(-r)); else { hashmap_replace(s->user_journals, k, f); server_fix_perms(s, s->system_journal, PTR_TO_UINT32(k)); @@ -612,7 +619,15 @@ retry: else { r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL); - if ((r == -EBADMSG || r == -E2BIG) && !vacuumed) { + if ((r == -E2BIG || /* hit limit */ + r == -EFBIG || /* hit fs limit */ + r == -EDQUOT || /* quota hit */ + r == -ENOSPC || /* disk full */ + r == -EBADMSG || /* corrupted */ + r == -ENODATA || /* truncated */ + r == -EHOSTDOWN || /* other machine */ + r == -EPROTONOSUPPORT) && /* unsupported feature */ + !vacuumed) { if (r == -E2BIG) log_info("Allocation limit reached, rotating."); @@ -1143,7 +1158,7 @@ static void process_native_message( char *identifier = NULL, *message = NULL; assert(s); - assert(buffer || n == 0); + assert(buffer || buffer_size == 0); p = buffer; remaining = buffer_size; @@ -1229,11 +1244,11 @@ static void process_native_message( p[17] >= '0' && p[17] <= '9') priority = (priority & LOG_PRIMASK) | (((p[16] - '0')*10 + (p[17] - '0')) << 3); - else if (l >= 12 && - memcmp(p, "SYSLOG_IDENTIFIER=", 11) == 0) { + else if (l >= 19 && + memcmp(p, "SYSLOG_IDENTIFIER=", 18) == 0) { char *t; - t = strndup(p + 11, l - 11); + t = strndup(p + 18, l - 18); if (t) { free(identifier); identifier = t; @@ -1254,6 +1269,7 @@ static void process_native_message( p = e + 1; continue; } else { + le64_t l_le; uint64_t l; char *k; @@ -1262,8 +1278,8 @@ static void process_native_message( break; } - memcpy(&l, e + 1, sizeof(uint64_t)); - l = le64toh(l); + memcpy(&l_le, e + 1, sizeof(uint64_t)); + l = le64toh(l_le); if (remaining < e - p + 1 + sizeof(uint64_t) + l + 1 || e[1+sizeof(uint64_t)+l] != '\n') { @@ -1918,7 +1934,7 @@ static int system_journal_open(Server *s) { * if it already exists, so that we can flush * it into the system journal */ - r = journal_file_open_reliably(fn, O_RDWR, 0640, NULL, &s->runtime_journal); + r = journal_file_open(fn, O_RDWR, 0640, NULL, &s->runtime_journal); free(fn); if (r < 0) { @@ -2144,10 +2160,20 @@ static int process_event(Server *s, struct epoll_event *ev) { size_t label_len = 0; union { struct cmsghdr cmsghdr; + + /* We use NAME_MAX space for the + * SELinux label here. The kernel + * currently enforces no limit, but + * according to suggestions from the + * SELinux people this will change and + * it will probably be identical to + * NAME_MAX. For now we use that, but + * this should be updated one day when + * the final limit is known.*/ uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) + CMSG_SPACE(sizeof(struct timeval)) + - CMSG_SPACE(sizeof(int)) + - CMSG_SPACE(PAGE_SIZE)]; /* selinux label */ + CMSG_SPACE(sizeof(int)) + /* fd */ + CMSG_SPACE(NAME_MAX)]; /* selinux label */ } control; ssize_t n; int v; @@ -2463,8 +2489,7 @@ static int open_proc_kmsg(Server *s) { if (!s->import_proc_kmsg) return 0; - - s->proc_kmsg_fd = open("/proc/kmsg", O_CLOEXEC|O_NONBLOCK|O_NOCTTY); + s->proc_kmsg_fd = open("/proc/kmsg", O_RDONLY|O_CLOEXEC|O_NONBLOCK|O_NOCTTY); if (s->proc_kmsg_fd < 0) { log_warning("Failed to open /proc/kmsg, ignoring: %m"); return 0; @@ -2569,7 +2594,7 @@ static int server_parse_config_file(Server *s) { assert(s); - fn = "/etc/systemd/systemd-journald.conf"; + fn = "/etc/systemd/journald.conf"; f = fopen(fn, "re"); if (!f) { if (errno == ENOENT) @@ -2749,7 +2774,8 @@ int main(int argc, char *argv[]) { return EXIT_FAILURE; } - log_set_target(LOG_TARGET_CONSOLE); + log_set_target(LOG_TARGET_SAFE); + log_set_facility(LOG_SYSLOG); log_parse_environment(); log_open();