[69cde8d] | 1 | Submitted By: Robert Connolly <robert at linuxfromscratch dot org> (ashes) |
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| 2 | Date: 2005-01-23 |
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| 3 | Initial Package Version: 1.4.1 |
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| 4 | Upstream Status: Not submitted |
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| 5 | Origin: http://www.infodrom.org/projects/sysklogd/cvs.php3 |
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| 6 | Description: This patch is a cvs snapshot update as of 20050123. |
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| 7 | Minus the debain and CVS directories. See the CHANGES. |
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| 8 | |
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| 9 | diff -Naur sysklogd-1.4.1/CHANGES sysklogd-20050123/CHANGES |
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| 10 | --- sysklogd-1.4.1/CHANGES 2001-03-11 14:35:51.000000000 -0500 |
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| 11 | +++ sysklogd-20050123/CHANGES 2005-01-15 14:14:21.000000000 -0500 |
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| 12 | @@ -1,3 +1,42 @@ |
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| 13 | +Version 1.4.2 |
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| 14 | + |
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| 15 | + . Dmitry V. Levin <ldv@altlinux.org> |
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| 16 | + - Close file descriptor in FindSymbolFile() in ksym.c in order not to |
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| 17 | + leak file descriptors. |
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| 18 | + . Solar Designer <solar@openwall.com> |
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| 19 | + - improve crunch_list() |
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| 20 | + - Prevent potential buffer overflow in reading messages from the |
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| 21 | + kernel log ringbuffer. |
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| 22 | + - Ensure that "len" is not placed in a register, and that the |
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| 23 | + endtty() signal handler is not installed too early which could |
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| 24 | + cause a segmentation fault or worse. |
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| 25 | + . Steve Grubb <linux_4ever@yahoo.com> |
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| 26 | + - fix memory calculation in crunch_list() |
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| 27 | + . Martin Schulze <joey@infodrom.org> |
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| 28 | + - klogd will reconnect to the logger (mostly syslogd) after it went |
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| 29 | + away |
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| 30 | + - On heavily loaded system syslog will not spit out error messages |
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| 31 | + anymore when recvfrom() results in EAGAIN |
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| 32 | + - Makefile improvements |
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| 33 | + - Local copy of module.h |
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| 34 | + - Improved sysklogd.8 |
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| 35 | + - Always log with syslogd's timezone and locale |
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| 36 | + - Remove trailing newline when forwarding messages |
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| 37 | + . Jon Burgess <Jon_Burgess@eur.3com.com> |
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| 38 | + - Moved the installation of the signal handler up a little bit so it |
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| 39 | + guaranteed to be available when the child is forked, hence, fixing a |
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| 40 | + race condition. This used to create problems with UML and fast |
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| 41 | + machines. |
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| 42 | + . Greg Trounson <gregt@maths.otago.ac.nz> |
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| 43 | + - Improved README.linux |
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| 44 | + . Ulf Härnhammar <Ulf.Harnhammar.9485@student.uu.se> |
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| 45 | + - Bondary check for fscanf() in InitKsyms() and CheckMapVersion() |
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| 46 | + . Colin Phipps <cph@cph.demon.co.uk> |
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| 47 | + - Don't block on the network socket in case of package los |
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| 48 | + . Dirk Mueller <mueller@kde.org> |
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| 49 | + - Don't crash when filesize limit is reached (e.g. without LFS) |
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| 50 | + |
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| 51 | + |
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| 52 | Version 1.4.1 |
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| 53 | |
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| 54 | . klogd will set the console log level only if `-c' is given on the |
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| 55 | @@ -30,3 +69,9 @@ |
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| 56 | . Olaf Kirch <okir@caldera.de> |
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| 57 | - Remove Unix Domain Sockets and switch to Datagram Unix Sockets |
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| 58 | . Several bugfixes and improvements, please refer to the .c files |
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| 59 | + |
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| 60 | + |
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| 61 | +Local variables: |
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| 62 | +mode: indented-text |
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| 63 | +fill-column: 72 |
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| 64 | +End: |
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| 65 | diff -Naur sysklogd-1.4.1/klogd.8 sysklogd-20050123/klogd.8 |
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| 66 | --- sysklogd-1.4.1/klogd.8 2001-03-11 14:35:51.000000000 -0500 |
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| 67 | +++ sysklogd-20050123/klogd.8 2001-03-11 18:00:51.000000000 -0500 |
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| 68 | @@ -321,7 +321,7 @@ |
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| 69 | .B klogd |
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| 70 | to reload the module symbol information whenever a protection fault |
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| 71 | is detected. Caution should be used before invoking the program in |
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| 72 | -\'paranoid\' mode. The stability of the kernel and the operating |
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| 73 | +\&'paranoid\&' mode. The stability of the kernel and the operating |
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| 74 | environment is always under question when a protection fault occurs. |
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| 75 | Since the klogd daemon must execute system calls in order to read the |
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| 76 | module symbol information there is the possibility that the system may |
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| 77 | diff -Naur sysklogd-1.4.1/klogd.c sysklogd-20050123/klogd.c |
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| 78 | --- sysklogd-1.4.1/klogd.c 2001-03-11 14:40:10.000000000 -0500 |
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| 79 | +++ sysklogd-20050123/klogd.c 2004-04-29 09:29:03.000000000 -0400 |
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| 80 | @@ -243,6 +243,9 @@ |
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| 81 | * people have submitted patches: Troels Walsted Hansen |
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| 82 | * <troels@thule.no>, Wolfgang Oertl <Wolfgang.Oertl@uibk.ac.at> |
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| 83 | * and Thomas Roessler. |
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| 84 | + * Thu Apr 29 15:24:07 2004: Solar Designer <solar@openwall.com> |
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| 85 | + * Prevent potential buffer overflow in reading messages from the |
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| 86 | + * kernel log rinbuffer. |
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| 87 | */ |
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| 88 | |
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| 89 | |
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| 90 | @@ -938,7 +941,7 @@ |
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| 91 | * messages into this fresh buffer. |
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| 92 | */ |
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| 93 | memset(log_buffer, '\0', sizeof(log_buffer)); |
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| 94 | - if ( (rdcnt = ksyslog(2, log_buffer, sizeof(log_buffer))) < 0 ) |
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| 95 | + if ( (rdcnt = ksyslog(2, log_buffer, sizeof(log_buffer)-1)) < 0 ) |
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| 96 | { |
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| 97 | if ( errno == EINTR ) |
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| 98 | return; |
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| 99 | diff -Naur sysklogd-1.4.1/ksym.c sysklogd-20050123/ksym.c |
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| 100 | --- sysklogd-1.4.1/ksym.c 2000-09-12 17:53:31.000000000 -0400 |
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| 101 | +++ sysklogd-20050123/ksym.c 2004-07-16 02:48:27.000000000 -0400 |
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| 102 | @@ -105,6 +105,15 @@ |
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| 103 | * |
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| 104 | * Tue Sep 12 23:48:12 CEST 2000: Martin Schulze <joey@infodrom.ffis.de> |
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| 105 | * Close symbol file in InitKsyms() when an error occurred. |
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| 106 | + * |
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| 107 | + * Thu Apr 29 18:07:16 CEST 2004: Dmitry Levin <ldv@altlinux.org> |
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| 108 | + * Close file descriptor in FindSymbolFile() in order not to leak |
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| 109 | + * file descriptors. |
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| 110 | + * |
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| 111 | + * Fri Jul 16 08:32:49 CEST 2004: Ulf Härnhammar <Ulf.Harnhammar.9485@student.uu.se> |
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| 112 | + * Added boundary check for fscanf() in InitKsyms() and |
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| 113 | + * CheckMapVersion() to prevent an unintended crash when reading |
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| 114 | + * an incorrect System.map. |
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| 115 | */ |
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| 116 | |
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| 117 | |
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| 118 | @@ -236,7 +245,7 @@ |
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| 119 | */ |
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| 120 | while ( !feof(sym_file) ) |
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| 121 | { |
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| 122 | - if ( fscanf(sym_file, "%lx %c %s\n", &address, &type, sym) |
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| 123 | + if ( fscanf(sym_file, "%lx %c %511s\n", &address, &type, sym) |
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| 124 | != 3 ) |
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| 125 | { |
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| 126 | Syslog(LOG_ERR, "Error in symbol table input (#1)."); |
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| 127 | @@ -344,6 +353,7 @@ |
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| 128 | if ( (sym_file = fopen(symfile, "r")) != (FILE *) 0 ) { |
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| 129 | if (CheckMapVersion(symfile) == 1) |
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| 130 | file = symfile; |
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| 131 | + fclose (sym_file); |
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| 132 | } |
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| 133 | if (sym_file == (FILE *) 0 || file == (char *) 0) { |
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| 134 | sprintf (symfile, "%s", *mf); |
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| 135 | @@ -352,6 +362,7 @@ |
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| 136 | if ( (sym_file = fopen(symfile, "r")) != (FILE *) 0 ) { |
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| 137 | if (CheckMapVersion(symfile) == 1) |
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| 138 | file = symfile; |
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| 139 | + fclose (sym_file); |
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| 140 | } |
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| 141 | } |
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| 142 | |
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| 143 | @@ -533,7 +544,7 @@ |
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| 144 | version = 0; |
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| 145 | while ( !feof(sym_file) && (version == 0) ) |
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| 146 | { |
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| 147 | - if ( fscanf(sym_file, "%lx %c %s\n", &address, \ |
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| 148 | + if ( fscanf(sym_file, "%lx %c %511s\n", &address, \ |
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| 149 | &type, sym) != 3 ) |
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| 150 | { |
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| 151 | Syslog(LOG_ERR, "Error in symbol table input (#2)."); |
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| 152 | @@ -899,3 +910,11 @@ |
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| 153 | return; |
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| 154 | } |
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| 155 | #endif |
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| 156 | + |
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| 157 | +/* |
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| 158 | + * Local variables: |
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| 159 | + * c-indent-level: 8 |
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| 160 | + * c-basic-offset: 8 |
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| 161 | + * tab-width: 8 |
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| 162 | + * End: |
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| 163 | + */ |
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| 164 | diff -Naur sysklogd-1.4.1/ksym_mod.c sysklogd-20050123/ksym_mod.c |
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| 165 | --- sysklogd-1.4.1/ksym_mod.c 2000-09-12 17:15:28.000000000 -0400 |
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| 166 | +++ sysklogd-20050123/ksym_mod.c 2004-03-31 10:47:08.000000000 -0500 |
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| 167 | @@ -78,6 +78,11 @@ |
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| 168 | * |
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| 169 | * Tue Sep 12 23:11:13 CEST 2000: Martin Schulze <joey@infodrom.ffis.de> |
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| 170 | * Changed llseek() to lseek64() in order to skip a libc warning. |
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| 171 | + * |
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| 172 | + * Wed Mar 31 17:35:01 CEST 2004: Martin Schulze <joey@infodrom.org> |
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| 173 | + * Removed references to <linux/module.h> since it doesn't work |
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| 174 | + * anymore with its recent content from Linux 2.4/2.6, created |
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| 175 | + * module.h locally instead. |
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| 176 | */ |
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| 177 | |
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| 178 | |
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| 179 | @@ -89,11 +94,12 @@ |
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| 180 | #include <errno.h> |
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| 181 | #include <sys/fcntl.h> |
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| 182 | #include <sys/stat.h> |
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| 183 | +#include "module.h" |
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| 184 | #if !defined(__GLIBC__) |
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| 185 | #include <linux/time.h> |
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| 186 | -#include <linux/module.h> |
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| 187 | +#include <linux/linkage.h> |
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| 188 | #else /* __GLIBC__ */ |
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| 189 | -#include <linux/module.h> |
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| 190 | +#include <linux/linkage.h> |
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| 191 | extern __off64_t lseek64 __P ((int __fd, __off64_t __offset, int __whence)); |
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| 192 | extern int get_kernel_syms __P ((struct kernel_sym *__table)); |
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| 193 | #endif /* __GLIBC__ */ |
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| 194 | @@ -107,7 +113,7 @@ |
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| 195 | |
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| 196 | #if !defined(__GLIBC__) |
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| 197 | /* |
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| 198 | - * The following bit uses some kernel/library magic to product what |
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| 199 | + * The following bit uses some kernel/library magic to produce what |
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| 200 | * looks like a function call to user level code. This function is |
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| 201 | * actually a system call in disguise. The purpose of the getsyms |
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| 202 | * call is to return a current copy of the in-kernel symbol table. |
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| 203 | diff -Naur sysklogd-1.4.1/Makefile sysklogd-20050123/Makefile |
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| 204 | --- sysklogd-1.4.1/Makefile 1998-10-12 16:25:15.000000000 -0400 |
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| 205 | +++ sysklogd-20050123/Makefile 2004-04-29 07:04:03.000000000 -0400 |
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| 206 | @@ -4,12 +4,15 @@ |
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| 207 | #CFLAGS= -g -DSYSV -Wall |
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| 208 | #LDFLAGS= -g |
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| 209 | CFLAGS= $(RPM_OPT_FLAGS) -O3 -DSYSV -fomit-frame-pointer -Wall -fno-strength-reduce |
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| 210 | +# -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE |
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| 211 | LDFLAGS= -s |
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| 212 | |
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| 213 | # Look where your install program is. |
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| 214 | INSTALL = /usr/bin/install |
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| 215 | -BINDIR = /usr/sbin |
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| 216 | -MANDIR = /usr/man |
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| 217 | + |
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| 218 | +# Destination paths, set prefix=/opt if required |
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| 219 | +BINDIR = $(prefix)/usr/sbin |
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| 220 | +MANDIR = $(prefix)/usr/share/man |
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| 221 | |
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| 222 | # There is one report that under an all ELF system there may be a need to |
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| 223 | # explicilty link with libresolv.a. If linking syslogd fails you may wish |
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| 224 | @@ -34,8 +37,9 @@ |
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| 225 | # The following define establishes ownership for the man pages. |
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| 226 | # Avery tells me that there is a difference between Debian and |
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| 227 | # Slackware. Rather than choose sides I am leaving it up to the user. |
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| 228 | -MAN_OWNER = root |
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| 229 | -# MAN_OWNER = man |
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| 230 | +MAN_USER = root |
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| 231 | +MAN_GROUP = root |
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| 232 | +MAN_PERMS = 644 |
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| 233 | |
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| 234 | # The following define establishes the name of the pid file for the |
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| 235 | # syslogd daemon. The library include file (paths.h) defines the |
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| 236 | @@ -116,7 +120,7 @@ |
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| 237 | ${INSTALL} -m 500 -s klogd ${BINDIR}/klogd |
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| 238 | |
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| 239 | install_man: |
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| 240 | - ${INSTALL} -o ${MAN_OWNER} -g ${MAN_OWNER} -m 644 sysklogd.8 ${MANDIR}/man8/sysklogd.8 |
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| 241 | - ${INSTALL} -o ${MAN_OWNER} -g ${MAN_OWNER} -m 644 syslogd.8 ${MANDIR}/man8/syslogd.8 |
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| 242 | - ${INSTALL} -o ${MAN_OWNER} -g ${MAN_OWNER} -m 644 syslog.conf.5 ${MANDIR}/man5/syslog.conf.5 |
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| 243 | - ${INSTALL} -o ${MAN_OWNER} -g ${MAN_OWNER} -m 644 klogd.8 ${MANDIR}/man8/klogd.8 |
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| 244 | + ${INSTALL} -o ${MAN_USER} -g ${MAN_GROUP} -m ${MAN_PERMS} sysklogd.8 ${MANDIR}/man8/sysklogd.8 |
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| 245 | + ${INSTALL} -o ${MAN_USER} -g ${MAN_GROUP} -m ${MAN_PERMS} syslogd.8 ${MANDIR}/man8/syslogd.8 |
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| 246 | + ${INSTALL} -o ${MAN_USER} -g ${MAN_GROUP} -m ${MAN_PERMS} syslog.conf.5 ${MANDIR}/man5/syslog.conf.5 |
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| 247 | + ${INSTALL} -o ${MAN_USER} -g ${MAN_GROUP} -m ${MAN_PERMS} klogd.8 ${MANDIR}/man8/klogd.8 |
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| 248 | diff -Naur sysklogd-1.4.1/module.h sysklogd-20050123/module.h |
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| 249 | --- sysklogd-1.4.1/module.h 1969-12-31 19:00:00.000000000 -0500 |
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| 250 | +++ sysklogd-20050123/module.h 2004-07-27 07:36:10.000000000 -0400 |
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| 251 | @@ -0,0 +1,90 @@ |
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| 252 | +/* |
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| 253 | + module.h - Miscellaneous module definitions |
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| 254 | + Copyright (c) 1996 Richard Henderson <rth@tamu.edu> |
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| 255 | + Copyright (c) 2004 Martin Schulze <joey@infodrom.org> |
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| 256 | + |
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| 257 | + This file is part of the sysklogd package. |
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| 258 | + |
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| 259 | + This program is free software; you can redistribute it and/or modify |
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| 260 | + it under the terms of the GNU General Public License as published by |
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| 261 | + the Free Software Foundation; either version 2 of the License, or |
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| 262 | + (at your option) any later version. |
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| 263 | + |
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| 264 | + This program is distributed in the hope that it will be useful, |
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| 265 | + but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 266 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 267 | + GNU General Public License for more details. |
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| 268 | + |
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| 269 | + You should have received a copy of the GNU General Public License |
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| 270 | + along with this program; if not, write to the Free Software |
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| 271 | + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 272 | +*/ |
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| 273 | + |
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| 274 | +/* ChangeLog: |
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| 275 | + * |
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| 276 | + * Wed Mar 31 17:35:01 CEST 2004: Martin Schulze <joey@infodrom.org> |
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| 277 | + * Created local copy of module.h based on the content of Linux |
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| 278 | + * 2.2 since <linux/module.h> doesn't work anymore with its |
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| 279 | + * recent content from Linux 2.4/2.6. |
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| 280 | + */ |
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| 281 | + |
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| 282 | +#include <asm/atomic.h> |
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| 283 | + |
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| 284 | +#define MODULE_NAME_LEN 60 |
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| 285 | + |
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| 286 | +struct kernel_sym |
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| 287 | +{ |
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| 288 | + unsigned long value; |
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| 289 | + char name[MODULE_NAME_LEN]; |
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| 290 | +}; |
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| 291 | + |
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| 292 | + |
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| 293 | +struct list_head { |
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| 294 | + struct list_head *next, *prev; |
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| 295 | +}; |
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| 296 | + |
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| 297 | + |
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| 298 | +struct module_info |
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| 299 | +{ |
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| 300 | + unsigned long addr; |
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| 301 | + unsigned long size; |
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| 302 | + unsigned long flags; |
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| 303 | + long usecount; |
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| 304 | +}; |
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| 305 | + |
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| 306 | + |
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| 307 | +struct module |
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| 308 | +{ |
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| 309 | + unsigned long size_of_struct; /* == sizeof(module) */ |
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| 310 | + struct module *next; |
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| 311 | + const char *name; |
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| 312 | + unsigned long size; |
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| 313 | + |
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| 314 | + union |
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| 315 | + { |
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| 316 | + int usecount; |
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| 317 | + long pad; |
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| 318 | + } uc; /* Needs to keep its size - so says rth */ |
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| 319 | + |
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| 320 | + unsigned long flags; /* AUTOCLEAN et al */ |
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| 321 | + |
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| 322 | + unsigned nsyms; |
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| 323 | + unsigned ndeps; |
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| 324 | + |
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| 325 | + struct module_symbol *syms; |
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| 326 | + struct module_ref *deps; |
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| 327 | + struct module_ref *refs; |
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| 328 | + int (*init)(void); |
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| 329 | + void (*cleanup)(void); |
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| 330 | + const struct exception_table_entry *ex_table_start; |
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| 331 | + const struct exception_table_entry *ex_table_end; |
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| 332 | +#ifdef __alpha__ |
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| 333 | + unsigned long gp; |
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| 334 | +#endif |
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| 335 | + /* Members past this point are extensions to the basic |
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| 336 | + module support and are optional. Use mod_opt_member() |
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| 337 | + to examine them. */ |
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| 338 | + const struct module_persist *persist_start; |
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| 339 | + const struct module_persist *persist_end; |
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| 340 | + int (*can_unload)(void); |
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| 341 | +}; |
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| 342 | diff -Naur sysklogd-1.4.1/pidfile.c sysklogd-20050123/pidfile.c |
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| 343 | --- sysklogd-1.4.1/pidfile.c 1998-02-10 17:37:12.000000000 -0500 |
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| 344 | +++ sysklogd-20050123/pidfile.c 2003-09-27 22:38:18.000000000 -0400 |
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| 345 | @@ -87,7 +87,7 @@ |
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| 346 | int fd; |
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| 347 | int pid; |
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| 348 | |
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| 349 | - if ( ((fd = open(pidfile, O_RDWR|O_CREAT, 0644)) == -1) |
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| 350 | + if ( ((fd = open(pidfile, O_RDWR|O_CREAT|O_TRUNC, 0644)) == -1) |
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| 351 | || ((f = fdopen(fd, "r+")) == NULL) ) { |
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| 352 | fprintf(stderr, "Can't open or create %s.\n", pidfile); |
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| 353 | return 0; |
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| 354 | diff -Naur sysklogd-1.4.1/README.1st sysklogd-20050123/README.1st |
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| 355 | --- sysklogd-1.4.1/README.1st 1997-06-02 13:21:39.000000000 -0400 |
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| 356 | +++ sysklogd-20050123/README.1st 2003-09-04 09:22:23.000000000 -0400 |
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| 357 | @@ -1,5 +1,5 @@ |
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| 358 | -Very important information before using version 1.3 |
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| 359 | ---------------------------------------------------- |
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| 360 | +Important information |
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| 361 | +--------------------- |
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| 362 | |
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| 363 | The included version of syslogd behaves in a slightly different manner |
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| 364 | to the one in former releases. Please review the following important |
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| 365 | @@ -63,3 +63,10 @@ |
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| 366 | these scripts should remove all old .pid files found in /var/run. |
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| 367 | This will insure that klogd and syslogd start properly even if prior |
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| 368 | executions have been terminated harshly. |
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| 369 | + |
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| 370 | +* Large file support, i.e. support to write to log files that are |
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| 371 | + larger than 2 GB is not part of syslogd, but a matter of the Glibc |
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| 372 | + emitting different system calls to the kernel interface. To support |
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| 373 | + large files you'll have to compile syslogd with the compiler defines |
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| 374 | + -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE so that glibc adjusts the |
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| 375 | + system calls. |
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| 376 | diff -Naur sysklogd-1.4.1/README.linux sysklogd-20050123/README.linux |
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| 377 | --- sysklogd-1.4.1/README.linux 1999-01-18 19:09:12.000000000 -0500 |
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| 378 | +++ sysklogd-20050123/README.linux 2004-07-09 13:22:29.000000000 -0400 |
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| 379 | @@ -40,12 +40,17 @@ |
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| 380 | a useful addition to the software gene pool. |
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| 381 | |
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| 382 | There is a mailing list covering this package and syslog in general. |
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| 383 | -The lists address is sysklogd@Infodrom.North.DE . To subscribe send a |
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| 384 | -mail to Majordomo@Infodrom.North.DE with a line "subscribe sysklogd" |
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| 385 | +The lists address is infodrom-sysklogd@lists.infodrom.org . To subscribe send a |
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| 386 | +mail to majordomo@lists.infodrom.org with a line "subscribe infodrom-sysklogd" |
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| 387 | in the message body. |
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| 388 | |
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| 389 | -New versions of this package will be available at Joey's ftp server. |
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| 390 | -ftp://ftp.infodrom.north.de/pub/people/joey/sysklogd/ |
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| 391 | +A second mailing list exists as infodrom-sysklogd-cvs@lists.infodrom.org. Only |
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| 392 | +CVS messages and diffs are distributed there. Whenever new code is added to |
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| 393 | +sysklogd, CVS generates a mail from these changes which will be sent to |
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| 394 | +this list. Discussions will take place on the first list. |
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| 395 | + |
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| 396 | +The latest version of this software can be found at: |
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| 397 | +http://www.infodrom.org/projects/sysklogd/download.php3 |
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| 398 | |
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| 399 | Best regards, |
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| 400 | |
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| 401 | @@ -67,6 +72,6 @@ |
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| 402 | |
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| 403 | Martin Schulze |
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| 404 | Infodrom Oldenburg |
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| 405 | -joey@linux.de |
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| 406 | +joey@infodrom.org |
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| 407 | |
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| 408 | -And a host of bug reporters whose contributions cannot be underestimated. |
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| 409 | +And a number of bug reporters whose contributions cannot be underestimated. |
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| 410 | diff -Naur sysklogd-1.4.1/sysklogd.8 sysklogd-20050123/sysklogd.8 |
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| 411 | --- sysklogd-1.4.1/sysklogd.8 2001-03-11 14:35:51.000000000 -0500 |
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| 412 | +++ sysklogd-20050123/sysklogd.8 2004-07-09 13:33:32.000000000 -0400 |
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| 413 | @@ -84,7 +84,7 @@ |
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| 414 | .B MAXFUNIX |
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| 415 | within the syslogd.c source file. An example for a chroot() daemon is |
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| 416 | described by the people from OpenBSD at |
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| 417 | -http://www.psionic.com/papers/dns.html. |
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| 418 | +<http://www.guides.sk/psionic/dns/>. |
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| 419 | .TP |
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| 420 | .B "\-d" |
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| 421 | Turns on debug mode. Using this the daemon will not proceed a |
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| 422 | @@ -117,7 +117,8 @@ |
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| 423 | between two \fI-- MARK --\fR lines is 20 minutes. This can be changed |
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| 424 | with this option. Setting the |
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| 425 | .I interval |
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| 426 | -to zero turns it off entirely. |
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| 427 | +to zero turns it off entirely. Depending on other log messages |
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| 428 | +generated these lines may not be written consecutively. |
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| 429 | .TP |
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| 430 | .B "\-n" |
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| 431 | Avoid auto-backgrounding. This is needed especially if the |
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| 432 | @@ -364,8 +365,10 @@ |
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| 433 | |
---|
| 434 | To avoid this in further times no messages that were received from a |
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| 435 | remote host are sent out to another (or the same) remote host |
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| 436 | -anymore. If there are scenarios where this doesn't make sense, please |
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| 437 | -drop me (Joey) a line. |
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| 438 | +anymore. If you experience are setup in which this doesn't make |
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| 439 | +sense, please use the |
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| 440 | +.B \-h |
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| 441 | +commandline switch. |
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| 442 | |
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| 443 | If the remote host is located in the same domain as the host, |
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| 444 | .B syslogd |
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| 445 | diff -Naur sysklogd-1.4.1/syslog.c sysklogd-20050123/syslog.c |
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| 446 | --- sysklogd-1.4.1/syslog.c 2001-03-11 14:35:51.000000000 -0500 |
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| 447 | +++ sysklogd-20050123/syslog.c 2003-08-27 11:56:01.000000000 -0400 |
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| 448 | @@ -47,6 +47,9 @@ |
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| 449 | * Sun Mar 11 20:23:44 CET 2001: Martin Schulze <joey@infodrom.ffis.de> |
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| 450 | * Use SOCK_DGRAM for loggin, renables it to work. |
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| 451 | * |
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| 452 | + * Wed Aug 27 17:48:16 CEST 2003: Martin Schulze <joey@Infodrom.org> |
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| 453 | + * Improved patch by Michael Pomraning <mjp@securepipe.com> to |
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| 454 | + * reconnect klogd to the logger after it went away. |
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| 455 | */ |
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| 456 | |
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| 457 | #include <sys/types.h> |
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| 458 | @@ -98,6 +101,7 @@ |
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| 459 | register char *p; |
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| 460 | time_t now; |
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| 461 | int fd, saved_errno; |
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| 462 | + int result; |
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| 463 | char tbuf[2048], fmt_cpy[1024], *stdp = (char *) 0; |
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| 464 | |
---|
| 465 | saved_errno = errno; |
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| 466 | @@ -167,7 +171,16 @@ |
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| 467 | } |
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| 468 | |
---|
| 469 | /* output the message to the local logger */ |
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| 470 | - if (write(LogFile, tbuf, cnt + 1) >= 0 || !(LogStat&LOG_CONS)) |
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| 471 | + result = write(LogFile, tbuf, cnt + 1); |
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| 472 | + |
---|
| 473 | + if (result == -1 |
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| 474 | + && (errno == ECONNRESET || errno == ENOTCONN || errno == ECONNREFUSED)) { |
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| 475 | + closelog(); |
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| 476 | + openlog(LogTag, LogStat | LOG_NDELAY, LogFacility); |
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| 477 | + result = write(LogFile, tbuf, cnt + 1); |
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| 478 | + } |
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| 479 | + |
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| 480 | + if (result >= 0 || !(LogStat&LOG_CONS)) |
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| 481 | return; |
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| 482 | |
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| 483 | /* |
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| 484 | diff -Naur sysklogd-1.4.1/syslog.conf.5 sysklogd-20050123/syslog.conf.5 |
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| 485 | --- sysklogd-1.4.1/syslog.conf.5 1999-08-21 06:49:14.000000000 -0400 |
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| 486 | +++ sysklogd-20050123/syslog.conf.5 2003-05-22 15:31:20.000000000 -0400 |
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| 487 | @@ -64,7 +64,7 @@ |
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| 488 | The |
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| 489 | .I facility |
---|
| 490 | is one of the following keywords: |
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| 491 | -.BR auth ", " authpriv ", " cron ", " daemon ", " kern ", " lpr ", " |
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| 492 | +.BR auth ", " authpriv ", " cron ", " daemon ", " ftp ", " kern ", " lpr ", " |
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| 493 | .BR mail ", " mark ", " news ", " security " (same as " auth "), " |
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| 494 | .BR syslog ", " user ", " uucp " and " local0 " through " local7 . |
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| 495 | The keyword |
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| 496 | @@ -121,12 +121,21 @@ |
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| 497 | |
---|
| 498 | This |
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| 499 | .BR syslogd (8) |
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| 500 | -has a syntax extension to the original BSD source, that makes its use |
---|
| 501 | +has a syntax extension to the original BSD source, which makes its use |
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| 502 | more intuitively. You may precede every priority with an equation sign |
---|
| 503 | -(``='') to specify only this single priority and not any of the |
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| 504 | -above. You may also (both is valid, too) precede the priority with an |
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| 505 | -exclamation mark (``!'') to ignore all that priorities, either exact |
---|
| 506 | -this one or this and any higher priority. If you use both extensions |
---|
| 507 | +(``='') to specify that |
---|
| 508 | +.B syslogd |
---|
| 509 | +should only refer to this single priority and not this priority and |
---|
| 510 | +all higher priorities. |
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| 511 | + |
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| 512 | +You may also precide the priority with an exclamation mark (``!'') if |
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| 513 | +you want |
---|
| 514 | +.B syslogd |
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| 515 | +to ignore this priority and all higher priorities. |
---|
| 516 | +You may even use both, the exclamation mark and the equation sign if |
---|
| 517 | +you want |
---|
| 518 | +.B syslogd |
---|
| 519 | +to ignore only this single priority. If you use both extensions |
---|
| 520 | than the exclamation mark must occur before the equation sign, just |
---|
| 521 | use it intuitively. |
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| 522 | |
---|
| 523 | @@ -300,7 +309,7 @@ |
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| 524 | .B syslogd |
---|
| 525 | log all messages that come with either the |
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| 526 | .BR info " or the " notice |
---|
| 527 | -facility into the file |
---|
| 528 | +priority into the file |
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| 529 | .IR /var/log/messages , |
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| 530 | except for all messages that use the |
---|
| 531 | .B mail |
---|
| 532 | diff -Naur sysklogd-1.4.1/syslogd.c sysklogd-20050123/syslogd.c |
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| 533 | --- sysklogd-1.4.1/syslogd.c 2001-03-11 14:40:10.000000000 -0500 |
---|
| 534 | +++ sysklogd-20050123/syslogd.c 2005-01-15 14:13:08.000000000 -0500 |
---|
| 535 | @@ -441,6 +441,39 @@ |
---|
| 536 | * Don't return a closed fd if `-a' is called with a wrong path. |
---|
| 537 | * Thanks to Bill Nottingham <notting@redhat.com> for providing |
---|
| 538 | * a patch. |
---|
| 539 | + * Thu Apr 13 05:08:10 CEST 2001: Jon Burgess <Jon_Burgess@eur.3com.com> |
---|
| 540 | + * Moved the installation of the signal handler up a little bit |
---|
| 541 | + * so it guaranteed to be available when the child is forked, |
---|
| 542 | + * hence, fixing a race condition. This used to create problems |
---|
| 543 | + * with UML and fast machines. |
---|
| 544 | + * |
---|
| 545 | + * Sat Apr 17 18:03:05 CEST 2004: Steve Grubb <linux_4ever@yahoo.com> |
---|
| 546 | + * Correct memory allocation for for commandline arguments in |
---|
| 547 | + * crunch_list(). |
---|
| 548 | + * |
---|
| 549 | + * Thu Apr 29 12:38:39 CEST 2004: Solar Designer <solar@openwall.com> |
---|
| 550 | + * Applied Openwall paranoia patches to improve crunch_list(). |
---|
| 551 | + * |
---|
| 552 | + * Tue May 4 16:47:30 CEST 2004: Solar Designer <solar@openwall.com> |
---|
| 553 | + * Ensure that "len" is not placed in a register, and that the |
---|
| 554 | + * endtty() signal handler is not installed too early which could |
---|
| 555 | + * cause a segmentation fault or worse. |
---|
| 556 | + * |
---|
| 557 | + * Tue May 4 16:52:01 CEST 2004: Solar Designer <solar@openwall.com> |
---|
| 558 | + * Adjust the size of a variable to prevent a buffer overflow |
---|
| 559 | + * should _PATH_DEV ever contain something different than "/dev/". |
---|
| 560 | + * |
---|
| 561 | + * Tue Nov 2 20:28:23 CET 2004: Colin Phipps <cph@cph.demon.co.uk> |
---|
| 562 | + * Don't block on the network socket, in case a packet gets lost |
---|
| 563 | + * between select and recv. |
---|
| 564 | + * |
---|
| 565 | + * Sun Nov 7 12:28:47 CET 2004: Martin Schulze <joey@infodrom.org> |
---|
| 566 | + * Discard any timestamp information found in received syslog |
---|
| 567 | + * messages. This will affect local messages sent from a |
---|
| 568 | + * different timezone. |
---|
| 569 | + * |
---|
| 570 | + * Sun Nov 7 13:47:00 CET 2004: Martin Schulze <joey@infodrom.org> |
---|
| 571 | + * Remove trailing newline when forwarding messages. |
---|
| 572 | */ |
---|
| 573 | |
---|
| 574 | |
---|
| 575 | @@ -890,11 +923,11 @@ |
---|
| 576 | dprintf("Checking pidfile.\n"); |
---|
| 577 | if (!check_pid(PidFile)) |
---|
| 578 | { |
---|
| 579 | + signal (SIGTERM, doexit); |
---|
| 580 | if (fork()) { |
---|
| 581 | /* |
---|
| 582 | * Parent process |
---|
| 583 | */ |
---|
| 584 | - signal (SIGTERM, doexit); |
---|
| 585 | sleep(300); |
---|
| 586 | /* |
---|
| 587 | * Not reached unless something major went wrong. 5 |
---|
| 588 | @@ -992,6 +1025,7 @@ |
---|
| 589 | (void) signal(SIGCHLD, reapchild); |
---|
| 590 | (void) signal(SIGALRM, domark); |
---|
| 591 | (void) signal(SIGUSR1, Debug ? debug_switch : SIG_IGN); |
---|
| 592 | + (void) signal(SIGXFSZ, SIG_IGN); |
---|
| 593 | (void) alarm(TIMERINTVL); |
---|
| 594 | |
---|
| 595 | /* Create a partial message table for all file descriptors. */ |
---|
| 596 | @@ -1141,13 +1175,13 @@ |
---|
| 597 | */ |
---|
| 598 | printchopped(from, line, \ |
---|
| 599 | i + 2, finet); |
---|
| 600 | - } else if (i < 0 && errno != EINTR) { |
---|
| 601 | + } else if (i < 0 && errno != EINTR && errno != EAGAIN) { |
---|
| 602 | dprintf("INET socket error: %d = %s.\n", \ |
---|
| 603 | errno, strerror(errno)); |
---|
| 604 | logerror("recvfrom inet"); |
---|
| 605 | /* should be harmless now that we set |
---|
| 606 | * BSDCOMPAT on the socket */ |
---|
| 607 | - sleep(10); |
---|
| 608 | + sleep(1); |
---|
| 609 | } |
---|
| 610 | } |
---|
| 611 | #endif |
---|
| 612 | @@ -1216,6 +1250,7 @@ |
---|
| 613 | { |
---|
| 614 | int fd, on = 1; |
---|
| 615 | struct sockaddr_in sin; |
---|
| 616 | + int sockflags; |
---|
| 617 | |
---|
| 618 | fd = socket(AF_INET, SOCK_DGRAM, 0); |
---|
| 619 | if (fd < 0) { |
---|
| 620 | @@ -1241,6 +1276,24 @@ |
---|
| 621 | close(fd); |
---|
| 622 | return -1; |
---|
| 623 | } |
---|
| 624 | + /* We must not block on the network socket, in case a packet |
---|
| 625 | + * gets lost between select and recv, otherise the process |
---|
| 626 | + * will stall until the timeout, and other processes trying to |
---|
| 627 | + * log will also stall. |
---|
| 628 | + */ |
---|
| 629 | + if ((sockflags = fcntl(fd, F_GETFL)) != -1) { |
---|
| 630 | + sockflags |= O_NONBLOCK; |
---|
| 631 | + /* |
---|
| 632 | + * SETFL could fail too, so get it caught by the subsequent |
---|
| 633 | + * error check. |
---|
| 634 | + */ |
---|
| 635 | + sockflags = fcntl(fd, F_SETFL, sockflags); |
---|
| 636 | + } |
---|
| 637 | + if (sockflags == -1) { |
---|
| 638 | + logerror("fcntl(O_NONBLOCK), suspending inet"); |
---|
| 639 | + close(fd); |
---|
| 640 | + return -1; |
---|
| 641 | + } |
---|
| 642 | if (bind(fd, (struct sockaddr *) &sin, sizeof(sin)) < 0) { |
---|
| 643 | logerror("bind, suspending inet"); |
---|
| 644 | close(fd); |
---|
| 645 | @@ -1254,30 +1307,26 @@ |
---|
| 646 | crunch_list(list) |
---|
| 647 | char *list; |
---|
| 648 | { |
---|
| 649 | - int count, i; |
---|
| 650 | + int i, m, n; |
---|
| 651 | char *p, *q; |
---|
| 652 | char **result = NULL; |
---|
| 653 | |
---|
| 654 | p = list; |
---|
| 655 | |
---|
| 656 | /* strip off trailing delimiters */ |
---|
| 657 | - while (p[strlen(p)-1] == LIST_DELIMITER) { |
---|
| 658 | - count--; |
---|
| 659 | + while (*p && p[strlen(p)-1] == LIST_DELIMITER) |
---|
| 660 | p[strlen(p)-1] = '\0'; |
---|
| 661 | - } |
---|
| 662 | /* cut off leading delimiters */ |
---|
| 663 | - while (p[0] == LIST_DELIMITER) { |
---|
| 664 | - count--; |
---|
| 665 | + while (p[0] == LIST_DELIMITER) |
---|
| 666 | p++; |
---|
| 667 | - } |
---|
| 668 | |
---|
| 669 | - /* count delimiters to calculate elements */ |
---|
| 670 | - for (count=i=0; p[i]; i++) |
---|
| 671 | - if (p[i] == LIST_DELIMITER) count++; |
---|
| 672 | + /* count delimiters to calculate the number of elements */ |
---|
| 673 | + for (n = i = 0; p[i]; i++) |
---|
| 674 | + if (p[i] == LIST_DELIMITER) n++; |
---|
| 675 | |
---|
| 676 | - if ((result = (char **)malloc(sizeof(char *) * count+2)) == NULL) { |
---|
| 677 | + if ((result = (char **)malloc(sizeof(char *) * (n + 2))) == NULL) { |
---|
| 678 | printf ("Sorry, can't get enough memory, exiting.\n"); |
---|
| 679 | - exit(0); |
---|
| 680 | + exit(1); |
---|
| 681 | } |
---|
| 682 | |
---|
| 683 | /* |
---|
| 684 | @@ -1285,30 +1334,28 @@ |
---|
| 685 | * characters are different from any delimiters, |
---|
| 686 | * so we don't have to care about this. |
---|
| 687 | */ |
---|
| 688 | - count = 0; |
---|
| 689 | - while ((q=strchr(p, LIST_DELIMITER))) { |
---|
| 690 | - result[count] = (char *) malloc((q - p + 1) * sizeof(char)); |
---|
| 691 | - if (result[count] == NULL) { |
---|
| 692 | + m = 0; |
---|
| 693 | + while ((q = strchr(p, LIST_DELIMITER)) && m < n) { |
---|
| 694 | + result[m] = (char *) malloc((q - p + 1) * sizeof(char)); |
---|
| 695 | + if (result[m] == NULL) { |
---|
| 696 | printf ("Sorry, can't get enough memory, exiting.\n"); |
---|
| 697 | - exit(0); |
---|
| 698 | + exit(1); |
---|
| 699 | } |
---|
| 700 | - strncpy(result[count], p, q - p); |
---|
| 701 | - result[count][q - p] = '\0'; |
---|
| 702 | + memcpy(result[m], p, q - p); |
---|
| 703 | + result[m][q - p] = '\0'; |
---|
| 704 | p = q; p++; |
---|
| 705 | - count++; |
---|
| 706 | + m++; |
---|
| 707 | } |
---|
| 708 | - if ((result[count] = \ |
---|
| 709 | - (char *)malloc(sizeof(char) * strlen(p) + 1)) == NULL) { |
---|
| 710 | + if ((result[m] = strdup(p)) == NULL) { |
---|
| 711 | printf ("Sorry, can't get enough memory, exiting.\n"); |
---|
| 712 | - exit(0); |
---|
| 713 | + exit(1); |
---|
| 714 | } |
---|
| 715 | - strcpy(result[count],p); |
---|
| 716 | - result[++count] = NULL; |
---|
| 717 | + result[++m] = NULL; |
---|
| 718 | |
---|
| 719 | #if 0 |
---|
| 720 | - count=0; |
---|
| 721 | - while (result[count]) |
---|
| 722 | - dprintf ("#%d: %s\n", count, StripDomains[count++]); |
---|
| 723 | + m = 0; |
---|
| 724 | + while (result[m]) |
---|
| 725 | + dprintf ("#%d: %s\n", m, result[m++]); |
---|
| 726 | #endif |
---|
| 727 | return result; |
---|
| 728 | } |
---|
| 729 | @@ -1548,21 +1595,25 @@ |
---|
| 730 | |
---|
| 731 | /* |
---|
| 732 | * Check to see if msg looks non-standard. |
---|
| 733 | + * |
---|
| 734 | + * A message looks like |
---|
| 735 | + * Nov 17 11:42:33 CRON[ |
---|
| 736 | + * 01234567890123456 |
---|
| 737 | + * ^ ^ ^ ^ ^ |
---|
| 738 | + * |
---|
| 739 | + * Remote messages are not accompanied by a timestamp. |
---|
| 740 | + * Local messages are accompanied by a timestamp (program's timezone) |
---|
| 741 | */ |
---|
| 742 | msglen = strlen(msg); |
---|
| 743 | - if (msglen < 16 || msg[3] != ' ' || msg[6] != ' ' || |
---|
| 744 | - msg[9] != ':' || msg[12] != ':' || msg[15] != ' ') |
---|
| 745 | - flags |= ADDDATE; |
---|
| 746 | - |
---|
| 747 | - (void) time(&now); |
---|
| 748 | - if (flags & ADDDATE) |
---|
| 749 | - timestamp = ctime(&now) + 4; |
---|
| 750 | - else { |
---|
| 751 | - timestamp = msg; |
---|
| 752 | + if (!(msglen < 16 || msg[3] != ' ' || msg[6] != ' ' || |
---|
| 753 | + msg[9] != ':' || msg[12] != ':' || msg[15] != ' ')) { |
---|
| 754 | msg += 16; |
---|
| 755 | msglen -= 16; |
---|
| 756 | } |
---|
| 757 | |
---|
| 758 | + (void) time(&now); |
---|
| 759 | + timestamp = ctime(&now) + 4; |
---|
| 760 | + |
---|
| 761 | /* extract facility and priority level */ |
---|
| 762 | if (flags & MARK) |
---|
| 763 | fac = LOG_NFACILITIES; |
---|
| 764 | @@ -1771,7 +1822,7 @@ |
---|
| 765 | dprintf("Not sending message to remote.\n"); |
---|
| 766 | else { |
---|
| 767 | f->f_time = now; |
---|
| 768 | - (void) snprintf(line, sizeof(line), "<%d>%s\n", f->f_prevpri, \ |
---|
| 769 | + (void) snprintf(line, sizeof(line), "<%d>%s", f->f_prevpri, \ |
---|
| 770 | (char *) iov[4].iov_base); |
---|
| 771 | l = strlen(line); |
---|
| 772 | if (l > MAXLINE) |
---|
| 773 | @@ -1815,7 +1866,7 @@ |
---|
| 774 | v->iov_len = 1; |
---|
| 775 | } |
---|
| 776 | again: |
---|
| 777 | - /* f->f_file == -1 is an indicator that the we couldn't |
---|
| 778 | + /* f->f_file == -1 is an indicator that we couldn't |
---|
| 779 | open the file at startup. */ |
---|
| 780 | if (f->f_file == -1) |
---|
| 781 | break; |
---|
| 782 | @@ -1852,7 +1903,7 @@ |
---|
| 783 | errno = e; |
---|
| 784 | logerror(f->f_un.f_fname); |
---|
| 785 | } |
---|
| 786 | - } else if (f->f_flags & SYNC_FILE) |
---|
| 787 | + } else if (f->f_type == F_FILE && (f->f_flags & SYNC_FILE)) |
---|
| 788 | (void) fsync(f->f_file); |
---|
| 789 | break; |
---|
| 790 | |
---|
| 791 | @@ -1891,7 +1942,7 @@ |
---|
| 792 | register struct filed *f; |
---|
| 793 | struct iovec *iov; |
---|
| 794 | { |
---|
| 795 | - char p[6 + UNAMESZ]; |
---|
| 796 | + char p[sizeof (_PATH_DEV) + UNAMESZ]; |
---|
| 797 | register int i; |
---|
| 798 | int ttyf, len; |
---|
| 799 | static int reenter = 0; |
---|
| 800 | @@ -1899,6 +1950,8 @@ |
---|
| 801 | struct utmp *uptr; |
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| 802 | char greetings[200]; |
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| 803 | |
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| 804 | + (void) &len; |
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| 805 | + |
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| 806 | if (reenter++) |
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| 807 | return; |
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| 808 | |
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| 809 | @@ -1913,7 +1966,6 @@ |
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| 810 | if (fork() == 0) { |
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| 811 | (void) signal(SIGTERM, SIG_DFL); |
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| 812 | (void) alarm(0); |
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| 813 | - (void) signal(SIGALRM, endtty); |
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| 814 | #ifndef SYSV |
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| 815 | (void) signal(SIGTTOU, SIG_IGN); |
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| 816 | (void) sigsetmask(0); |
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| 817 | @@ -1929,7 +1981,7 @@ |
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| 818 | /* is this slot used? */ |
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| 819 | if (ut.ut_name[0] == '\0') |
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| 820 | continue; |
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| 821 | - if (ut.ut_type == LOGIN_PROCESS) |
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| 822 | + if (ut.ut_type != USER_PROCESS) |
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| 823 | continue; |
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| 824 | if (!(strcmp (ut.ut_name,"LOGIN"))) /* paranoia */ |
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| 825 | continue; |
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| 826 | @@ -1959,6 +2011,7 @@ |
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| 827 | iov[1].iov_len = 0; |
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| 828 | } |
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| 829 | if (setjmp(ttybuf) == 0) { |
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| 830 | + (void) signal(SIGALRM, endtty); |
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| 831 | (void) alarm(15); |
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| 832 | /* open the terminal */ |
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| 833 | ttyf = open(p, O_WRONLY|O_NOCTTY); |
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