Annotation of embedaddon/rsync/rsync.h, revision 1.1.1.2

1.1       misho       1: /*
                      2:  * Copyright (C) 1996, 2000 Andrew Tridgell
                      3:  * Copyright (C) 1996 Paul Mackerras
                      4:  * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
1.1.1.2 ! misho       5:  * Copyright (C) 2003-2013 Wayne Davison
1.1       misho       6:  *
                      7:  * This program is free software; you can redistribute it and/or modify
                      8:  * it under the terms of the GNU General Public License as published by
                      9:  * the Free Software Foundation; either version 3 of the License, or
                     10:  * (at your option) any later version.
                     11:  *
                     12:  * This program is distributed in the hope that it will be useful,
                     13:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
                     14:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     15:  * GNU General Public License for more details.
                     16:  *
                     17:  * You should have received a copy of the GNU General Public License along
                     18:  * with this program; if not, visit the http://fsf.org website.
                     19:  */
                     20: 
                     21: #define False 0
                     22: #define True 1
                     23: 
                     24: #define BLOCK_SIZE 700
                     25: #define RSYNC_RSH_ENV "RSYNC_RSH"
                     26: #define RSYNC_RSH_IO_ENV "RSYNC_RSH_IO"
                     27: 
                     28: #define RSYNC_NAME "rsync"
                     29: /* RSYNCD_SYSCONF is now set in config.h */
                     30: #define RSYNCD_USERCONF "rsyncd.conf"
                     31: 
                     32: #define DEFAULT_LOCK_FILE "/var/run/rsyncd.lock"
                     33: #define URL_PREFIX "rsync://"
                     34: 
                     35: #define SYMLINK_PREFIX "/rsyncd-munged/"  /* This MUST have a trailing slash! */
                     36: #define SYMLINK_PREFIX_LEN ((int)sizeof SYMLINK_PREFIX - 1)
                     37: 
                     38: #define BACKUP_SUFFIX "~"
                     39: 
                     40: /* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
                     41:    incompatible with older versions :-( */
                     42: #define CHAR_OFFSET 0
                     43: 
                     44: /* These flags are only used during the flist transfer. */
                     45: 
                     46: #define XMIT_TOP_DIR (1<<0)
                     47: #define XMIT_SAME_MODE (1<<1)
                     48: #define XMIT_SAME_RDEV_pre28 (1<<2)    /* protocols 20 - 27  */
                     49: #define XMIT_EXTENDED_FLAGS (1<<2)     /* protocols 28 - now */
                     50: #define XMIT_SAME_UID (1<<3)
                     51: #define XMIT_SAME_GID (1<<4)
                     52: #define XMIT_SAME_NAME (1<<5)
                     53: #define XMIT_LONG_NAME (1<<6)
                     54: #define XMIT_SAME_TIME (1<<7)
                     55: #define XMIT_SAME_RDEV_MAJOR (1<<8)    /* protocols 28 - now (devices only) */
                     56: #define XMIT_NO_CONTENT_DIR (1<<8)     /* protocols 30 - now (dirs only) */
                     57: #define XMIT_HLINKED (1<<9)            /* protocols 28 - now */
                     58: #define XMIT_SAME_DEV_pre30 (1<<10)    /* protocols 28 - 29  */
                     59: #define XMIT_USER_NAME_FOLLOWS (1<<10) /* protocols 30 - now */
                     60: #define XMIT_RDEV_MINOR_8_pre30 (1<<11)        /* protocols 28 - 29  */
                     61: #define XMIT_GROUP_NAME_FOLLOWS (1<<11) /* protocols 30 - now */
                     62: #define XMIT_HLINK_FIRST (1<<12)       /* protocols 30 - now (HLINKED files only) */
                     63: #define XMIT_IO_ERROR_ENDLIST (1<<12)  /* protocols 31*- now (w/XMIT_EXTENDED_FLAGS) (also protocol 30 w/'f' compat flag) */
1.1.1.2 ! misho      64: #define XMIT_MOD_NSEC (1<<13)          /* protocols 31 - now */
1.1       misho      65: 
                     66: /* These flags are used in the live flist data. */
                     67: 
                     68: #define FLAG_TOP_DIR (1<<0)    /* sender/receiver/generator */
                     69: #define FLAG_OWNED_BY_US (1<<0) /* generator: set by make_file() for aux flists only */
                     70: #define FLAG_FILE_SENT (1<<1)  /* sender/receiver/generator */
                     71: #define FLAG_DIR_CREATED (1<<1)        /* generator */
                     72: #define FLAG_CONTENT_DIR (1<<2)        /* sender/receiver/generator */
                     73: #define FLAG_MOUNT_DIR (1<<3)  /* sender/generator (dirs only) */
                     74: #define FLAG_SKIP_HLINK (1<<3) /* receiver/generator (w/FLAG_HLINKED) */
                     75: #define FLAG_DUPLICATE (1<<4)  /* sender */
                     76: #define FLAG_MISSING_DIR (1<<4)        /* generator */
                     77: #define FLAG_HLINKED (1<<5)    /* receiver/generator (checked on all types) */
                     78: #define FLAG_HLINK_FIRST (1<<6)        /* receiver/generator (w/FLAG_HLINKED) */
                     79: #define FLAG_IMPLIED_DIR (1<<6)        /* sender/receiver/generator (dirs only) */
                     80: #define FLAG_HLINK_LAST (1<<7) /* receiver/generator */
                     81: #define FLAG_HLINK_DONE (1<<8) /* receiver/generator (checked on all types) */
                     82: #define FLAG_LENGTH64 (1<<9)   /* sender/receiver/generator */
                     83: #define FLAG_SKIP_GROUP (1<<10)        /* receiver/generator */
                     84: #define FLAG_TIME_FAILED (1<<11)/* generator */
1.1.1.2 ! misho      85: #define FLAG_MOD_NSEC (1<<12)  /* sender/receiver/generator */
1.1       misho      86: 
                     87: /* These flags are passed to functions but not stored. */
                     88: 
                     89: #define FLAG_DIVERT_DIRS (1<<16)   /* sender, but must be unique */
                     90: 
                     91: /* These flags are for get_dirlist(). */
                     92: #define GDL_IGNORE_FILTER_RULES (1<<0)
                     93: 
                     94: /* Some helper macros for matching bits. */
                     95: #define BITS_SET(val,bits) (((val) & (bits)) == (bits))
                     96: #define BITS_SETnUNSET(val,onbits,offbits) (((val) & ((onbits)|(offbits))) == (onbits))
                     97: #define BITS_EQUAL(b1,b2,mask) (((unsigned)(b1) & (unsigned)(mask)) \
                     98:                             == ((unsigned)(b2) & (unsigned)(mask)))
                     99: 
                    100: /* update this if you make incompatible changes */
1.1.1.2 ! misho     101: #define PROTOCOL_VERSION 31
1.1       misho     102: 
                    103: /* This is used when working on a new protocol version in CVS, and should
                    104:  * be a new non-zero value for each CVS change that affects the protocol.
                    105:  * It must ALWAYS be 0 when the protocol goes final (and NEVER before)! */
                    106: #define SUBPROTOCOL_VERSION 0
                    107: 
                    108: /* We refuse to interoperate with versions that are not in this range.
                    109:  * Note that we assume we'll work with later versions: the onus is on
                    110:  * people writing them to make sure that they don't send us anything
                    111:  * we won't understand.
                    112:  *
                    113:  * Interoperation with old but supported protocol versions
                    114:  * should cause a warning to be printed.  At a future date
                    115:  * the old protocol will become the minimum and
                    116:  * compatibility code removed.
                    117:  *
                    118:  * There are two possible explanations for the limit at
                    119:  * MAX_PROTOCOL_VERSION: either to allow new major-rev versions that
                    120:  * do not interoperate with us, and (more likely) so that we can
                    121:  * detect an attempt to connect rsync to a non-rsync server, which is
                    122:  * unlikely to begin by sending a byte between MIN_PROTOCL_VERSION and
                    123:  * MAX_PROTOCOL_VERSION. */
                    124: 
                    125: #define MIN_PROTOCOL_VERSION 20
                    126: #define OLD_PROTOCOL_VERSION 25
                    127: #define MAX_PROTOCOL_VERSION 40
                    128: 
1.1.1.2 ! misho     129: #define MIN_FILECNT_LOOKAHEAD 1000
        !           130: #define MAX_FILECNT_LOOKAHEAD 10000
1.1       misho     131: 
                    132: #define RSYNC_PORT 873
                    133: 
                    134: #define SPARSE_WRITE_SIZE (1024)
                    135: #define WRITE_SIZE (32*1024)
                    136: #define CHUNK_SIZE (32*1024)
                    137: #define MAX_MAP_SIZE (256*1024)
1.1.1.2 ! misho     138: #define IO_BUFFER_SIZE (32*1024)
1.1       misho     139: #define MAX_BLOCK_SIZE ((int32)1 << 17)
                    140: 
                    141: /* For compatibility with older rsyncs */
                    142: #define OLD_MAX_BLOCK_SIZE ((int32)1 << 29)
                    143: 
1.1.1.2 ! misho     144: #define ROUND_UP_1024(siz) ((siz) & (1024-1) ? ((siz) | (1024-1)) + 1 : (siz))
        !           145: 
1.1       misho     146: #define IOERR_GENERAL  (1<<0) /* For backward compatibility, this must == 1 */
                    147: #define IOERR_VANISHED (1<<1)
                    148: #define IOERR_DEL_LIMIT (1<<2)
                    149: 
                    150: #define MAX_ARGS 1000
                    151: #define MAX_BASIS_DIRS 20
                    152: #define MAX_SERVER_ARGS (MAX_BASIS_DIRS*2 + 100)
                    153: 
                    154: #define MPLEX_BASE 7
                    155: 
                    156: #define NO_FILTERS     0
                    157: #define SERVER_FILTERS 1
                    158: #define ALL_FILTERS    2
                    159: 
                    160: #define XFLG_FATAL_ERRORS      (1<<0)
                    161: #define XFLG_OLD_PREFIXES      (1<<1)
                    162: #define XFLG_ANCHORED2ABS      (1<<2) /* leading slash indicates absolute */
                    163: #define XFLG_ABS_IF_SLASH      (1<<3) /* leading or interior slash is absolute */
                    164: #define XFLG_DIR2WILD3         (1<<4) /* dir/ match gets trailing *** added */
                    165: 
                    166: #define ATTRS_REPORT           (1<<0)
                    167: #define ATTRS_SKIP_MTIME       (1<<1)
                    168: 
                    169: #define FULL_FLUSH     1
                    170: #define NORMAL_FLUSH   0
                    171: 
                    172: #define PDIR_CREATE    1
                    173: #define PDIR_DELETE    0
                    174: 
                    175: /* Note: 0x00 - 0x7F are used for basis_dir[] indexes! */
                    176: #define FNAMECMP_BASIS_DIR_LOW 0x00 /* Must remain 0! */
                    177: #define FNAMECMP_BASIS_DIR_HIGH 0x7F
                    178: #define FNAMECMP_FNAME         0x80
                    179: #define FNAMECMP_PARTIAL_DIR   0x81
                    180: #define FNAMECMP_BACKUP        0x82
                    181: #define FNAMECMP_FUZZY         0x83
                    182: 
                    183: /* For use by the itemize_changes code */
                    184: #define ITEM_REPORT_ATIME (1<<0)
                    185: #define ITEM_REPORT_CHANGE (1<<1)
                    186: #define ITEM_REPORT_SIZE (1<<2)     /* regular files only */
                    187: #define ITEM_REPORT_TIMEFAIL (1<<2) /* symlinks only */
                    188: #define ITEM_REPORT_TIME (1<<3)
                    189: #define ITEM_REPORT_PERMS (1<<4)
                    190: #define ITEM_REPORT_OWNER (1<<5)
                    191: #define ITEM_REPORT_GROUP (1<<6)
                    192: #define ITEM_REPORT_ACL (1<<7)
                    193: #define ITEM_REPORT_XATTR (1<<8)
                    194: #define ITEM_BASIS_TYPE_FOLLOWS (1<<11)
                    195: #define ITEM_XNAME_FOLLOWS (1<<12)
                    196: #define ITEM_IS_NEW (1<<13)
                    197: #define ITEM_LOCAL_CHANGE (1<<14)
                    198: #define ITEM_TRANSFER (1<<15)
                    199: /* These are outside the range of the transmitted flags. */
                    200: #define ITEM_MISSING_DATA (1<<16)         /* used by log_formatted() */
                    201: #define ITEM_DELETED (1<<17)              /* used by log_formatted() */
                    202: #define ITEM_MATCHED (1<<18)              /* used by itemize() */
                    203: 
                    204: #define SIGNIFICANT_ITEM_FLAGS (~(\
                    205:        ITEM_BASIS_TYPE_FOLLOWS | ITEM_XNAME_FOLLOWS | ITEM_LOCAL_CHANGE))
                    206: 
                    207: #define CFN_KEEP_DOT_DIRS (1<<0)
                    208: #define CFN_KEEP_TRAILING_SLASH (1<<1)
                    209: #define CFN_DROP_TRAILING_DOT_DIR (1<<2)
                    210: #define CFN_COLLAPSE_DOT_DOT_DIRS (1<<3)
                    211: 
                    212: #define SP_DEFAULT 0
                    213: #define SP_KEEP_DOT_DIRS (1<<0)
                    214: 
                    215: #define CD_NORMAL 0
                    216: #define CD_SKIP_CHDIR 1
                    217: 
                    218: /* Log-message categories.  FLOG only goes to the log file, not the client;
                    219:  * FCLIENT is the opposite. */
                    220: enum logcode {
                    221:     FNONE=0, /* never sent */
                    222:     FERROR_XFER=1, FINFO=2, /* sent over socket for any protocol */
                    223:     FERROR=3, FWARNING=4, /* sent over socket for protocols >= 30 */
                    224:     FERROR_SOCKET=5, FLOG=6, /* only sent via receiver -> generator pipe */
                    225:     FERROR_UTF8=8, /* only sent via receiver -> generator pipe */
                    226:     FCLIENT=7 /* never transmitted (e.g. server converts to FINFO) */
                    227: };
                    228: 
                    229: /* Messages types that are sent over the message channel.  The logcode
                    230:  * values must all be present here with identical numbers. */
                    231: enum msgcode {
                    232:        MSG_DATA=0,     /* raw data on the multiplexed stream */
                    233:        MSG_ERROR_XFER=FERROR_XFER, MSG_INFO=FINFO, /* remote logging */
                    234:        MSG_ERROR=FERROR, MSG_WARNING=FWARNING, /* protocol-30 remote logging */
                    235:        MSG_ERROR_SOCKET=FERROR_SOCKET, /* sibling logging */
                    236:        MSG_ERROR_UTF8=FERROR_UTF8, /* sibling logging */
                    237:        MSG_LOG=FLOG, MSG_CLIENT=FCLIENT, /* sibling logging */
                    238:        MSG_REDO=9,     /* reprocess indicated flist index */
1.1.1.2 ! misho     239:        MSG_STATS=10,   /* message has stats data for generator */
1.1       misho     240:        MSG_IO_ERROR=22,/* the sending side had an I/O error */
1.1.1.2 ! misho     241:        MSG_IO_TIMEOUT=33,/* tell client about a daemon's timeout value */
        !           242:        MSG_NOOP=42,    /* a do-nothing message (legacy protocol-30 only) */
        !           243:        MSG_ERROR_EXIT=86, /* synchronize an error exit (siblings and protocol >= 31) */
1.1       misho     244:        MSG_SUCCESS=100,/* successfully updated indicated flist index */
                    245:        MSG_DELETED=101,/* successfully deleted a file on receiving side */
                    246:        MSG_NO_SEND=102,/* sender failed to open a file we wanted */
                    247: };
                    248: 
                    249: #define NDX_DONE -1
                    250: #define NDX_FLIST_EOF -2
1.1.1.2 ! misho     251: #define NDX_DEL_STATS -3
1.1       misho     252: #define NDX_FLIST_OFFSET -101
                    253: 
1.1.1.2 ! misho     254: /* For calling delete_item() and delete_dir_contents(). */
        !           255: #define DEL_NO_UID_WRITE       (1<<0) /* file/dir has our uid w/o write perm */
        !           256: #define DEL_RECURSE            (1<<1) /* if dir, delete all contents */
        !           257: #define DEL_DIR_IS_EMPTY       (1<<2) /* internal delete_FUNCTIONS use only */
        !           258: #define DEL_FOR_FILE           (1<<3) /* making room for a replacement file */
        !           259: #define DEL_FOR_DIR            (1<<4) /* making room for a replacement dir */
        !           260: #define DEL_FOR_SYMLINK        (1<<5) /* making room for a replacement symlink */
        !           261: #define DEL_FOR_DEVICE         (1<<6) /* making room for a replacement device */
        !           262: #define DEL_FOR_SPECIAL        (1<<7) /* making room for a replacement special */
        !           263: #define DEL_FOR_BACKUP         (1<<8) /* the delete is for a backup operation */
        !           264: 
        !           265: #define DEL_MAKE_ROOM (DEL_FOR_FILE|DEL_FOR_DIR|DEL_FOR_SYMLINK|DEL_FOR_DEVICE|DEL_FOR_SPECIAL)
        !           266: 
        !           267: enum delret {
        !           268:        DR_SUCCESS = 0, DR_FAILURE, DR_AT_LIMIT, DR_NOT_EMPTY
        !           269: };
        !           270: 
        !           271: /* Defines for make_path() */
        !           272: #define MKP_DROP_NAME          (1<<0) /* drop trailing filename or trailing slash */
        !           273: #define MKP_SKIP_SLASH         (1<<1) /* skip one or more leading slashes */
        !           274: 
        !           275: /* Defines for maybe_send_keepalive() */
        !           276: #define MSK_ALLOW_FLUSH        (1<<0)
        !           277: #define MSK_ACTIVE_RECEIVER    (1<<1)
        !           278: 
1.1       misho     279: #include "errcode.h"
                    280: 
                    281: #include "config.h"
                    282: 
                    283: /* The default RSYNC_RSH is always set in config.h. */
                    284: 
                    285: #include <stdio.h>
                    286: #ifdef HAVE_SYS_TYPES_H
                    287: # include <sys/types.h>
                    288: #endif
                    289: #ifdef HAVE_SYS_STAT_H
                    290: # include <sys/stat.h>
                    291: #endif
                    292: #ifdef STDC_HEADERS
                    293: # include <stdlib.h>
                    294: # include <stddef.h>
                    295: #else
                    296: # ifdef HAVE_STDLIB_H
                    297: #  include <stdlib.h>
                    298: # endif
                    299: #endif
                    300: #ifdef HAVE_STRING_H
                    301: # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
                    302: #  include <memory.h>
                    303: # endif
                    304: # include <string.h>
                    305: #endif
                    306: #ifdef HAVE_STRINGS_H
                    307: # include <strings.h>
                    308: #endif
                    309: #ifdef HAVE_INTTYPES_H
                    310: # include <inttypes.h>
                    311: #endif
                    312: #ifdef HAVE_STDINT_H
                    313: # include <stdint.h>
                    314: #endif
                    315: #ifdef HAVE_UNISTD_H
                    316: # include <unistd.h>
                    317: #endif
                    318: 
                    319: #ifdef HAVE_SYS_PARAM_H
                    320: #include <sys/param.h>
                    321: #endif
                    322: 
                    323: #if defined HAVE_MALLOC_H && (defined HAVE_MALLINFO || !defined HAVE_STDLIB_H)
                    324: #include <malloc.h>
                    325: #endif
                    326: 
                    327: #ifdef HAVE_SYS_SOCKET_H
                    328: #include <sys/socket.h>
                    329: #endif
                    330: 
                    331: #ifdef TIME_WITH_SYS_TIME
                    332: #include <sys/time.h>
                    333: #include <time.h>
                    334: #else
                    335: #ifdef HAVE_SYS_TIME_H
                    336: #include <sys/time.h>
                    337: #else
                    338: #include <time.h>
                    339: #endif
                    340: #endif
                    341: 
                    342: #ifdef HAVE_FCNTL_H
                    343: #include <fcntl.h>
                    344: #else
                    345: #ifdef HAVE_SYS_FCNTL_H
                    346: #include <sys/fcntl.h>
                    347: #endif
                    348: #endif
                    349: 
                    350: #ifdef HAVE_SYS_IOCTL_H
                    351: #include <sys/ioctl.h>
                    352: #endif
                    353: 
                    354: #ifdef HAVE_SYS_FILIO_H
                    355: #include <sys/filio.h>
                    356: #endif
                    357: 
                    358: #include <signal.h>
                    359: #ifdef HAVE_SYS_WAIT_H
                    360: #include <sys/wait.h>
                    361: #endif
                    362: #ifdef HAVE_CTYPE_H
                    363: #include <ctype.h>
                    364: #endif
                    365: #ifdef HAVE_GRP_H
                    366: #include <grp.h>
                    367: #endif
                    368: #include <errno.h>
                    369: 
                    370: #ifdef HAVE_UTIME_H
                    371: #include <utime.h>
                    372: #endif
                    373: 
1.1.1.2 ! misho     374: #if defined HAVE_UTIMENSAT || defined HAVE_LUTIMES
1.1       misho     375: #define CAN_SET_SYMLINK_TIMES 1
                    376: #endif
                    377: 
                    378: #if defined HAVE_LCHOWN || defined CHOWN_MODIFIES_SYMLINK
                    379: #define CAN_CHOWN_SYMLINK 1
                    380: #endif
                    381: 
                    382: #if defined HAVE_LCHMOD || defined HAVE_SETATTRLIST
                    383: #define CAN_CHMOD_SYMLINK 1
                    384: #endif
                    385: 
1.1.1.2 ! misho     386: #ifdef HAVE_UTIMENSAT
        !           387: #ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
        !           388: #define ST_MTIME_NSEC st_mtim.tv_nsec
        !           389: #elif defined(HAVE_STRUCT_STAT_ST_MTIMENSEC)
        !           390: #define ST_MTIME_NSEC st_mtimensec
        !           391: #endif
        !           392: #endif
        !           393: 
1.1       misho     394: #ifdef HAVE_SYS_SELECT_H
                    395: #include <sys/select.h>
                    396: #endif
                    397: 
                    398: #ifdef HAVE_SYS_MODE_H
                    399: /* apparently AIX needs this for S_ISLNK */
                    400: #ifndef S_ISLNK
                    401: #include <sys/mode.h>
                    402: #endif
                    403: #endif
                    404: 
                    405: /* these are needed for the uid/gid mapping code */
                    406: #include <pwd.h>
                    407: #include <grp.h>
                    408: 
                    409: #include <stdarg.h>
                    410: #include <netinet/in.h>
                    411: #include <arpa/inet.h>
                    412: #ifdef HAVE_NETDB_H
                    413: #include <netdb.h>
                    414: #endif
                    415: #include <syslog.h>
                    416: #include <sys/file.h>
                    417: 
                    418: #ifdef HAVE_DIRENT_H
                    419: # include <dirent.h>
                    420: #else
                    421: # define dirent direct
                    422: # ifdef HAVE_SYS_NDIR_H
                    423: #  include <sys/ndir.h>
                    424: # endif
                    425: # ifdef HAVE_SYS_DIR_H
                    426: #  include <sys/dir.h>
                    427: # endif
                    428: # ifdef HAVE_NDIR_H
                    429: #  include <ndir.h>
                    430: # endif
                    431: #endif
                    432: 
                    433: #ifdef MAJOR_IN_MKDEV
                    434: #include <sys/mkdev.h>
                    435: # if !defined makedev && (defined mkdev || defined _WIN32 || defined __WIN32__)
                    436: #  define makedev mkdev
                    437: # endif
                    438: #elif defined MAJOR_IN_SYSMACROS
                    439: #include <sys/sysmacros.h>
                    440: #endif
                    441: 
                    442: #ifdef MAKEDEV_TAKES_3_ARGS
                    443: #define MAKEDEV(devmajor,devminor) makedev(0,devmajor,devminor)
                    444: #else
                    445: #define MAKEDEV(devmajor,devminor) makedev(devmajor,devminor)
                    446: #endif
                    447: 
                    448: #ifdef HAVE_COMPAT_H
                    449: #include <compat.h>
                    450: #endif
                    451: 
                    452: #ifdef HAVE_LIMITS_H
                    453: # include <limits.h>
                    454: #endif
                    455: 
                    456: #if defined USE_ICONV_OPEN && defined HAVE_ICONV_H
                    457: #include <iconv.h>
                    458: #ifndef ICONV_CONST
                    459: #define ICONV_CONST
                    460: #endif
                    461: #else
                    462: #ifdef ICONV_CONST
                    463: #undef ICONV_CONST
                    464: #endif
                    465: #ifdef ICONV_OPTION
                    466: #undef ICONV_OPTION
                    467: #endif
                    468: #ifdef iconv_t
                    469: #undef iconv_t
                    470: #endif
                    471: #define iconv_t int
                    472: #endif
                    473: 
                    474: #include <assert.h>
                    475: 
                    476: #include "lib/pool_alloc.h"
                    477: 
                    478: #ifndef HAVE_ID_T
                    479: typedef unsigned int id_t;
                    480: #endif
                    481: #ifndef HAVE_PID_T
                    482: typedef int pid_t;
                    483: #endif
                    484: #ifndef HAVE_MODE_T
                    485: typedef unsigned int mode_t;
                    486: #endif
                    487: #ifndef HAVE_OFF_T
                    488: typedef long off_t;
                    489: #undef SIZEOF_OFF_T
                    490: #define SIZEOF_OFF_T SIZEOF_LONG
                    491: #endif
                    492: #ifndef HAVE_SIZE_T
                    493: typedef unsigned int size_t;
                    494: #endif
                    495: 
                    496: #define BOOL int
                    497: 
                    498: #ifndef uchar
                    499: #define uchar unsigned char
                    500: #endif
                    501: 
                    502: #ifdef SIGNED_CHAR_OK
                    503: #define schar signed char
                    504: #else
                    505: #define schar char
                    506: #endif
                    507: 
                    508: #ifndef int16
                    509: #if SIZEOF_INT16_T == 2
                    510: # define int16 int16_t
                    511: #else
                    512: # define int16 short
                    513: #endif
                    514: #endif
                    515: 
                    516: #ifndef uint16
                    517: #if SIZEOF_UINT16_T == 2
                    518: # define uint16 uint16_t
                    519: #else
                    520: # define uint16 unsigned int16
                    521: #endif
                    522: #endif
                    523: 
                    524: /* Find a variable that is either exactly 32-bits or longer.
                    525:  * If some code depends on 32-bit truncation, it will need to
                    526:  * take special action in a "#if SIZEOF_INT32 > 4" section. */
                    527: #ifndef int32
                    528: #if SIZEOF_INT32_T == 4
                    529: # define int32 int32_t
                    530: # define SIZEOF_INT32 4
                    531: #elif SIZEOF_INT == 4
                    532: # define int32 int
                    533: # define SIZEOF_INT32 4
                    534: #elif SIZEOF_LONG == 4
                    535: # define int32 long
                    536: # define SIZEOF_INT32 4
                    537: #elif SIZEOF_SHORT == 4
                    538: # define int32 short
                    539: # define SIZEOF_INT32 4
                    540: #elif SIZEOF_INT > 4
                    541: # define int32 int
                    542: # define SIZEOF_INT32 SIZEOF_INT
                    543: #elif SIZEOF_LONG > 4
                    544: # define int32 long
                    545: # define SIZEOF_INT32 SIZEOF_LONG
                    546: #else
                    547: # error Could not find a 32-bit integer variable
                    548: #endif
                    549: #else
                    550: # define SIZEOF_INT32 4
                    551: #endif
                    552: 
                    553: #ifndef uint32
                    554: #if SIZEOF_UINT32_T == 4
                    555: # define uint32 uint32_t
                    556: #else
                    557: # define uint32 unsigned int32
                    558: #endif
                    559: #endif
                    560: 
                    561: #if SIZEOF_OFF_T == 8 || !SIZEOF_OFF64_T || !defined HAVE_STRUCT_STAT64
                    562: #define OFF_T off_t
                    563: #define STRUCT_STAT struct stat
                    564: #define SIZEOF_CAPITAL_OFF_T SIZEOF_OFF_T
                    565: #else
                    566: #define OFF_T off64_t
                    567: #define STRUCT_STAT struct stat64
                    568: #define USE_STAT64_FUNCS 1
                    569: #define SIZEOF_CAPITAL_OFF_T SIZEOF_OFF64_T
                    570: #endif
                    571: 
                    572: /* CAVEAT: on some systems, int64 will really be a 32-bit integer IFF
                    573:  * that's the maximum size the file system can handle and there is no
                    574:  * 64-bit type available.  The rsync source must therefore take steps
                    575:  * to ensure that any code that really requires a 64-bit integer has
                    576:  * it (e.g. the checksum code uses two 32-bit integers for its 64-bit
                    577:  * counter). */
                    578: #if SIZEOF_INT64_T == 8
                    579: # define int64 int64_t
                    580: # define SIZEOF_INT64 8
                    581: #elif SIZEOF_LONG == 8
                    582: # define int64 long
                    583: # define SIZEOF_INT64 8
                    584: #elif SIZEOF_INT == 8
                    585: # define int64 int
                    586: # define SIZEOF_INT64 8
                    587: #elif SIZEOF_LONG_LONG == 8
                    588: # define int64 long long
                    589: # define SIZEOF_INT64 8
                    590: #elif SIZEOF_OFF64_T == 8
                    591: # define int64 off64_t
                    592: # define SIZEOF_INT64 8
                    593: #elif SIZEOF_OFF_T == 8
                    594: # define int64 off_t
                    595: # define SIZEOF_INT64 8
                    596: #elif SIZEOF_INT > 8
                    597: # define int64 int
                    598: # define SIZEOF_INT64 SIZEOF_INT
                    599: #elif SIZEOF_LONG > 8
                    600: # define int64 long
                    601: # define SIZEOF_INT64 SIZEOF_LONG
                    602: #elif SIZEOF_LONG_LONG > 8
                    603: # define int64 long long
                    604: # define SIZEOF_INT64 SIZEOF_LONG_LONG
                    605: #else
                    606: /* As long as it gets... */
                    607: # define int64 off_t
                    608: # define SIZEOF_INT64 SIZEOF_OFF_T
                    609: #endif
                    610: 
                    611: struct hashtable {
                    612:        void *nodes;
                    613:        int32 size, entries;
                    614:        uint32 node_size;
1.1.1.2 ! misho     615:        short key64;
1.1       misho     616: };
                    617: 
                    618: struct ht_int32_node {
                    619:        void *data;
                    620:        int32 key;
                    621: };
                    622: 
                    623: struct ht_int64_node {
                    624:        void *data;
                    625:        int64 key;
                    626: };
                    627: 
                    628: #define HT_NODE(tbl, bkts, i) ((void*)((char*)(bkts) + (i)*(tbl)->node_size))
                    629: #define HT_KEY(node, k64) ((k64)? ((struct ht_int64_node*)(node))->key \
                    630:                         : (int64)((struct ht_int32_node*)(node))->key)
                    631: 
                    632: #ifndef MIN
                    633: #define MIN(a,b) ((a)<(b)?(a):(b))
                    634: #endif
                    635: 
                    636: #ifndef MAX
                    637: #define MAX(a,b) ((a)>(b)?(a):(b))
                    638: #endif
                    639: 
                    640: #ifndef MAXHOSTNAMELEN
                    641: #define MAXHOSTNAMELEN 256
                    642: #endif
                    643: 
                    644: #define SUM_LENGTH 16
                    645: #define SHORT_SUM_LENGTH 2
                    646: #define BLOCKSUM_BIAS 10
                    647: 
                    648: #ifndef MAXPATHLEN
                    649: #define MAXPATHLEN 1024
                    650: #endif
                    651: 
                    652: /* We want a roomy line buffer that can hold more than MAXPATHLEN,
                    653:  * and significantly more than an overly short MAXPATHLEN. */
                    654: #if MAXPATHLEN < 4096
                    655: #define BIGPATHBUFLEN (4096+1024)
                    656: #else
                    657: #define BIGPATHBUFLEN (MAXPATHLEN+1024)
                    658: #endif
                    659: 
                    660: #ifndef NAME_MAX
                    661: #define NAME_MAX 255
                    662: #endif
                    663: 
                    664: #ifndef INADDR_NONE
                    665: #define INADDR_NONE 0xffffffff
                    666: #endif
                    667: 
                    668: #ifndef IN_LOOPBACKNET
                    669: #define IN_LOOPBACKNET 127
                    670: #endif
                    671: 
                    672: #if HAVE_UNIXWARE_ACLS|HAVE_SOLARIS_ACLS|HAVE_HPUX_ACLS
                    673: #define ACLS_NEED_MASK 1
                    674: #endif
                    675: 
1.1.1.2 ! misho     676: #if defined HAVE_FALLOCATE || HAVE_SYS_FALLOCATE
        !           677: #ifdef HAVE_LINUX_FALLOC_H
        !           678: #include <linux/falloc.h>
        !           679: #endif
        !           680: #ifdef FALLOC_FL_KEEP_SIZE
        !           681: #define SUPPORT_PREALLOCATION 1
        !           682: #elif defined HAVE_FTRUNCATE
        !           683: #define SUPPORT_PREALLOCATION 1
        !           684: #define PREALLOCATE_NEEDS_TRUNCATE 1
        !           685: #endif
        !           686: #else /* !fallocate */
        !           687: #if defined HAVE_EFFICIENT_POSIX_FALLOCATE && defined HAVE_FTRUNCATE
        !           688: #define SUPPORT_PREALLOCATION 1
        !           689: #define PREALLOCATE_NEEDS_TRUNCATE 1
        !           690: #endif
        !           691: #endif
        !           692: 
1.1       misho     693: union file_extras {
                    694:        int32 num;
                    695:        uint32 unum;
                    696: };
                    697: 
                    698: struct file_struct {
                    699:        const char *dirname;    /* The dir info inside the transfer */
                    700:        time_t modtime;         /* When the item was last modified */
                    701:        uint32 len32;           /* Lowest 32 bits of the file's length */
                    702:        uint16 mode;            /* The item's type and permissions */
                    703:        uint16 flags;           /* The FLAG_* bits for this item */
                    704:        const char basename[1]; /* The basename (AKA filename) follows */
                    705: };
                    706: 
                    707: extern int file_extra_cnt;
                    708: extern int inc_recurse;
                    709: extern int uid_ndx;
                    710: extern int gid_ndx;
                    711: extern int acls_ndx;
                    712: extern int xattrs_ndx;
                    713: 
                    714: #define FILE_STRUCT_LEN (offsetof(struct file_struct, basename))
                    715: #define EXTRA_LEN (sizeof (union file_extras))
                    716: #define PTR_EXTRA_CNT ((sizeof (char *) + EXTRA_LEN - 1) / EXTRA_LEN)
                    717: #define DEV_EXTRA_CNT 2
                    718: #define DIRNODE_EXTRA_CNT 3
                    719: #define SUM_EXTRA_CNT ((MAX_DIGEST_LEN + EXTRA_LEN - 1) / EXTRA_LEN)
                    720: 
                    721: #define REQ_EXTRA(f,ndx) ((union file_extras*)(f) - (ndx))
                    722: #define OPT_EXTRA(f,bump) ((union file_extras*)(f) - file_extra_cnt - 1 - (bump))
                    723: 
1.1.1.2 ! misho     724: #define NSEC_BUMP(f) ((f)->flags & FLAG_MOD_NSEC ? 1 : 0)
1.1       misho     725: #define LEN64_BUMP(f) ((f)->flags & FLAG_LENGTH64 ? 1 : 0)
1.1.1.2 ! misho     726: #define START_BUMP(f) (NSEC_BUMP(f) + LEN64_BUMP(f))
1.1       misho     727: #define HLINK_BUMP(f) ((f)->flags & (FLAG_HLINKED|FLAG_HLINK_DONE) ? inc_recurse+1 : 0)
                    728: #define ACL_BUMP(f) (acls_ndx ? 1 : 0)
                    729: 
                    730: /* The length applies to all items. */
                    731: #if SIZEOF_INT64 < 8
                    732: #define F_LENGTH(f) ((int64)(f)->len32)
                    733: #else
                    734: #define F_LENGTH(f) ((int64)(f)->len32 + ((f)->flags & FLAG_LENGTH64 \
1.1.1.2 ! misho     735:                   ? (int64)OPT_EXTRA(f, NSEC_BUMP(f))->unum << 32 : 0))
1.1       misho     736: #endif
                    737: 
1.1.1.2 ! misho     738: #define F_MOD_NSEC(f) ((f)->flags & FLAG_MOD_NSEC ? OPT_EXTRA(f, 0)->unum : 0)
        !           739: 
1.1       misho     740: /* If there is a symlink string, it is always right after the basename */
                    741: #define F_SYMLINK(f) ((f)->basename + strlen((f)->basename) + 1)
                    742: 
                    743: /* The sending side always has this available: */
                    744: #define F_PATHNAME(f) (*(const char**)REQ_EXTRA(f, PTR_EXTRA_CNT))
                    745: 
                    746: /* The receiving side always has this available: */
                    747: #define F_DEPTH(f) REQ_EXTRA(f, 1)->num
                    748: 
                    749: /* When the associated option is on, all entries will have these present: */
                    750: #define F_OWNER(f) REQ_EXTRA(f, uid_ndx)->unum
                    751: #define F_GROUP(f) REQ_EXTRA(f, gid_ndx)->unum
                    752: #define F_ACL(f) REQ_EXTRA(f, acls_ndx)->num
                    753: #define F_XATTR(f) REQ_EXTRA(f, xattrs_ndx)->num
                    754: #define F_NDX(f) REQ_EXTRA(f, unsort_ndx)->num
                    755: 
                    756: /* These items are per-entry optional: */
1.1.1.2 ! misho     757: #define F_HL_GNUM(f) OPT_EXTRA(f, START_BUMP(f))->num /* non-dirs */
        !           758: #define F_HL_PREV(f) OPT_EXTRA(f, START_BUMP(f)+inc_recurse)->num /* non-dirs */
        !           759: #define F_DIR_NODE_P(f) (&OPT_EXTRA(f, START_BUMP(f) \
1.1       misho     760:                                + DIRNODE_EXTRA_CNT - 1)->num) /* sender dirs */
1.1.1.2 ! misho     761: #define F_DIR_RELNAMES_P(f) (&OPT_EXTRA(f, START_BUMP(f) + DIRNODE_EXTRA_CNT \
1.1       misho     762:                                + PTR_EXTRA_CNT - 1)->num) /* sender dirs */
1.1.1.2 ! misho     763: #define F_DIR_DEFACL(f) OPT_EXTRA(f, START_BUMP(f))->unum /* receiver dirs */
        !           764: #define F_DIR_DEV_P(f) (&OPT_EXTRA(f, START_BUMP(f) + ACL_BUMP(f) \
1.1       misho     765:                                + DEV_EXTRA_CNT - 1)->unum) /* receiver dirs */
                    766: 
1.1.1.2 ! misho     767: /* This optional item might follow an F_HL_*() item. */
        !           768: #define F_RDEV_P(f) (&OPT_EXTRA(f, START_BUMP(f) + HLINK_BUMP(f) + DEV_EXTRA_CNT - 1)->unum)
1.1       misho     769: 
                    770: /* The sum is only present on regular files. */
1.1.1.2 ! misho     771: #define F_SUM(f) ((char*)OPT_EXTRA(f, START_BUMP(f) + HLINK_BUMP(f) \
1.1       misho     772:                                    + SUM_EXTRA_CNT - 1))
                    773: 
                    774: /* Some utility defines: */
                    775: #define F_IS_ACTIVE(f) (f)->basename[0]
                    776: #define F_IS_HLINKED(f) ((f)->flags & FLAG_HLINKED)
                    777: 
                    778: #define F_HLINK_NOT_FIRST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_FIRST)
                    779: #define F_HLINK_NOT_LAST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_LAST)
                    780: 
                    781: /* These access the F_DIR_DEV_P() and F_RDEV_P() values: */
                    782: #define DEV_MAJOR(a) (a)[0]
                    783: #define DEV_MINOR(a) (a)[1]
                    784: 
                    785: /* These access the F_DIRS_NODE_P() values: */
                    786: #define DIR_PARENT(a) (a)[0]
                    787: #define DIR_FIRST_CHILD(a) (a)[1]
                    788: #define DIR_NEXT_SIBLING(a) (a)[2]
                    789: 
                    790: /*
                    791:  * Start the flist array at FLIST_START entries and grow it
                    792:  * by doubling until FLIST_LINEAR then grow by FLIST_LINEAR
                    793:  */
                    794: #define FLIST_START    (32 * 1024)
                    795: #define FLIST_LINEAR   (FLIST_START * 512)
                    796: 
                    797: /*
                    798:  * Extent size for allocation pools: A minimum size of 128KB
                    799:  * is needed to mmap them so that freeing will release the
                    800:  * space to the OS.
                    801:  *
                    802:  * Larger sizes reduce leftover fragments and speed free calls
                    803:  * (when they happen). Smaller sizes increase the chance of
                    804:  * freed allocations freeing whole extents.
                    805:  */
                    806: #define NORMAL_EXTENT  (256 * 1024)
                    807: #define SMALL_EXTENT   (128 * 1024)
                    808: 
                    809: #define FLIST_TEMP     (1<<1)
                    810: 
                    811: struct file_list {
                    812:        struct file_list *next, *prev;
                    813:        struct file_struct **files, **sorted;
                    814:        alloc_pool_t file_pool;
                    815:        void *pool_boundary;
                    816:        int used, malloced;
                    817:        int low, high;  /* 0-relative index values excluding empties */
                    818:        int ndx_start;  /* the start offset for inc_recurse mode */
                    819:        int flist_num;  /* 1-relative file_list number or 0 */
                    820:        int parent_ndx; /* dir_flist index of parent directory */
                    821:        int in_progress, to_redo;
                    822: };
                    823: 
                    824: #define SUMFLG_SAME_OFFSET     (1<<0)
                    825: 
                    826: struct sum_buf {
                    827:        OFF_T offset;           /**< offset in file of this chunk */
                    828:        int32 len;              /**< length of chunk of file */
                    829:        uint32 sum1;            /**< simple checksum */
                    830:        int32 chain;            /**< next hash-table collision */
                    831:        short flags;            /**< flag bits */
                    832:        char sum2[SUM_LENGTH];  /**< checksum  */
                    833: };
                    834: 
                    835: struct sum_struct {
                    836:        OFF_T flength;          /**< total file length */
                    837:        struct sum_buf *sums;   /**< points to info for each chunk */
                    838:        int32 count;            /**< how many chunks */
                    839:        int32 blength;          /**< block_length */
                    840:        int32 remainder;        /**< flength % block_length */
                    841:        int s2length;           /**< sum2_length */
                    842: };
                    843: 
                    844: struct map_struct {
                    845:        OFF_T file_size;        /* File size (from stat)                */
                    846:        OFF_T p_offset;         /* Window start                         */
                    847:        OFF_T p_fd_offset;      /* offset of cursor in fd ala lseek     */
                    848:        char *p;                /* Window pointer                       */
                    849:        int32 p_size;           /* Largest window size we allocated     */
                    850:        int32 p_len;            /* Latest (rounded) window size         */
                    851:        int32 def_window_size;  /* Default window size                  */
                    852:        int fd;                 /* File Descriptor                      */
                    853:        int status;             /* first errno from read errors         */
                    854: };
                    855: 
1.1.1.2 ! misho     856: #define FILTRULE_WILD          (1<<0) /* pattern has '*', '[', and/or '?' */
        !           857: #define FILTRULE_WILD2         (1<<1) /* pattern has '**' */
        !           858: #define FILTRULE_WILD2_PREFIX  (1<<2) /* pattern starts with "**" */
        !           859: #define FILTRULE_WILD3_SUFFIX  (1<<3) /* pattern ends with "***" */
        !           860: #define FILTRULE_ABS_PATH      (1<<4) /* path-match on absolute path */
        !           861: #define FILTRULE_INCLUDE       (1<<5) /* this is an include, not an exclude */
        !           862: #define FILTRULE_DIRECTORY     (1<<6) /* this matches only directories */
        !           863: #define FILTRULE_WORD_SPLIT    (1<<7) /* split rules on whitespace */
        !           864: #define FILTRULE_NO_INHERIT    (1<<8) /* don't inherit these rules */
        !           865: #define FILTRULE_NO_PREFIXES   (1<<9) /* parse no prefixes from patterns */
        !           866: #define FILTRULE_MERGE_FILE    (1<<10)/* specifies a file to merge */
        !           867: #define FILTRULE_PERDIR_MERGE  (1<<11)/* merge-file is searched per-dir */
        !           868: #define FILTRULE_EXCLUDE_SELF  (1<<12)/* merge-file name should be excluded */
        !           869: #define FILTRULE_FINISH_SETUP  (1<<13)/* per-dir merge file needs setup */
        !           870: #define FILTRULE_NEGATE        (1<<14)/* rule matches when pattern does not */
        !           871: #define FILTRULE_CVS_IGNORE    (1<<15)/* rule was -C or :C */
        !           872: #define FILTRULE_SENDER_SIDE   (1<<16)/* rule applies to the sending side */
        !           873: #define FILTRULE_RECEIVER_SIDE (1<<17)/* rule applies to the receiving side */
        !           874: #define FILTRULE_CLEAR_LIST    (1<<18)/* this item is the "!" token */
        !           875: #define FILTRULE_PERISHABLE    (1<<19)/* perishable if parent dir goes away */
        !           876: 
        !           877: #define FILTRULES_SIDES (FILTRULE_SENDER_SIDE | FILTRULE_RECEIVER_SIDE)
1.1       misho     878: 
1.1.1.2 ! misho     879: typedef struct filter_struct {
1.1       misho     880:        struct filter_struct *next;
                    881:        char *pattern;
1.1.1.2 ! misho     882:        uint32 rflags;
1.1       misho     883:        union {
                    884:                int slash_cnt;
                    885:                struct filter_list_struct *mergelist;
                    886:        } u;
1.1.1.2 ! misho     887: } filter_rule;
1.1       misho     888: 
1.1.1.2 ! misho     889: typedef struct filter_list_struct {
        !           890:        filter_rule *head;
        !           891:        filter_rule *tail;
        !           892:        filter_rule *parent_dirscan_head;
1.1       misho     893:        char *debug_type;
1.1.1.2 ! misho     894: } filter_rule_list;
1.1       misho     895: 
                    896: struct stats {
                    897:        int64 total_size;
                    898:        int64 total_transferred_size;
                    899:        int64 total_written;
                    900:        int64 total_read;
                    901:        int64 literal_data;
                    902:        int64 matched_data;
                    903:        int64 flist_buildtime;
                    904:        int64 flist_xfertime;
                    905:        int64 flist_size;
1.1.1.2 ! misho     906:        int num_files, num_dirs, num_symlinks, num_devices, num_specials;
        !           907:        int created_files, created_dirs, created_symlinks, created_devices, created_specials;
        !           908:        int deleted_files, deleted_dirs, deleted_symlinks, deleted_devices, deleted_specials;
        !           909:        int xferred_files;
1.1       misho     910: };
                    911: 
                    912: struct chmod_mode_struct;
                    913: 
                    914: struct flist_ndx_item {
                    915:        struct flist_ndx_item *next;
                    916:        int ndx;
                    917: };
                    918: 
                    919: typedef struct {
                    920:        struct flist_ndx_item *head, *tail;
                    921: } flist_ndx_list;
                    922: 
                    923: #define EMPTY_ITEM_LIST {NULL, 0, 0}
                    924: 
                    925: typedef struct {
                    926:        void *items;
                    927:        size_t count;
                    928:        size_t malloced;
                    929: } item_list;
                    930: 
                    931: #define EXPAND_ITEM_LIST(lp, type, incr) \
                    932:        (type*)expand_item_list(lp, sizeof (type), #type, incr)
                    933: 
                    934: #define EMPTY_XBUF {NULL, 0, 0, 0}
                    935: 
                    936: typedef struct {
                    937:        char *buf;
                    938:        size_t pos;  /* pos = read pos in the buf */
                    939:        size_t len;  /* len = chars following pos */
                    940:        size_t size; /* size = total space in buf */
                    941: } xbuf;
                    942: 
                    943: #define INIT_XBUF(xb, str, ln, sz) (xb).buf = (str), (xb).len = (ln), (xb).size = (sz), (xb).pos = 0
1.1.1.2 ! misho     944: #define INIT_XBUF_STRLEN(xb, str) (xb).buf = (str), (xb).len = strlen((xb).buf), (xb).size = (size_t)-1, (xb).pos = 0
1.1       misho     945: /* This one is used to make an output xbuf based on a char[] buffer: */
                    946: #define INIT_CONST_XBUF(xb, bf) (xb).buf = (bf), (xb).size = sizeof (bf), (xb).len = (xb).pos = 0
                    947: 
                    948: #define ICB_EXPAND_OUT (1<<0)
                    949: #define ICB_INCLUDE_BAD (1<<1)
                    950: #define ICB_INCLUDE_INCOMPLETE (1<<2)
1.1.1.2 ! misho     951: #define ICB_CIRCULAR_OUT (1<<3)
        !           952: #define ICB_INIT (1<<4)
        !           953: 
        !           954: #define IOBUF_KEEP_BUFS 0
        !           955: #define IOBUF_FREE_BUFS 1
        !           956: 
        !           957: #define MPLX_SWITCHING IOBUF_KEEP_BUFS
        !           958: #define MPLX_ALL_DONE IOBUF_FREE_BUFS
        !           959: #define MPLX_TO_BUFFERED 2
1.1       misho     960: 
                    961: #define RL_EOL_NULLS (1<<0)
                    962: #define RL_DUMP_COMMENTS (1<<1)
                    963: #define RL_CONVERT (1<<2)
                    964: 
                    965: typedef struct {
                    966:        char name_type;
                    967:        char fname[1]; /* has variable size */
                    968: } relnamecache;
                    969: 
                    970: #include "byteorder.h"
                    971: #include "lib/mdigest.h"
                    972: #include "lib/wildmatch.h"
                    973: #include "lib/permstring.h"
                    974: #include "lib/addrinfo.h"
                    975: 
                    976: #ifndef __GNUC__
                    977: #define __attribute__(x)
                    978: #else
                    979: # if __GNUC__ <= 2
                    980: # define NORETURN
                    981: # endif
                    982: #endif
                    983: 
                    984: #define UNUSED(x) x __attribute__((__unused__))
                    985: #ifndef NORETURN
                    986: #define NORETURN __attribute__((__noreturn__))
                    987: #endif
                    988: 
                    989: typedef struct {
                    990:     STRUCT_STAT st;
                    991: #ifdef SUPPORT_ACLS
                    992:     struct rsync_acl *acc_acl; /* access ACL */
                    993:     struct rsync_acl *def_acl; /* default ACL */
                    994: #endif
                    995: #ifdef SUPPORT_XATTRS
                    996:     item_list *xattr;
                    997: #endif
                    998: } stat_x;
                    999: 
                   1000: #define ACL_READY(sx) ((sx).acc_acl != NULL)
                   1001: #define XATTR_READY(sx) ((sx).xattr != NULL)
                   1002: 
                   1003: #include "proto.h"
                   1004: 
                   1005: #ifndef SUPPORT_XATTRS
                   1006: #define x_stat(fn,fst,xst) do_stat(fn,fst)
                   1007: #define x_lstat(fn,fst,xst) do_lstat(fn,fst)
                   1008: #define x_fstat(fd,fst,xst) do_fstat(fd,fst)
                   1009: #endif
                   1010: 
                   1011: /* We have replacement versions of these if they're missing. */
                   1012: #ifndef HAVE_ASPRINTF
                   1013: int asprintf(char **ptr, const char *format, ...);
                   1014: #endif
                   1015: 
                   1016: #ifndef HAVE_VASPRINTF
                   1017: int vasprintf(char **ptr, const char *format, va_list ap);
                   1018: #endif
                   1019: 
                   1020: #if !defined HAVE_VSNPRINTF || !defined HAVE_C99_VSNPRINTF
                   1021: #define vsnprintf rsync_vsnprintf
                   1022: int vsnprintf(char *str, size_t count, const char *fmt, va_list args);
                   1023: #endif
                   1024: 
                   1025: #if !defined HAVE_SNPRINTF || !defined HAVE_C99_VSNPRINTF
                   1026: #define snprintf rsync_snprintf
                   1027: int snprintf(char *str, size_t count, const char *fmt,...);
                   1028: #endif
                   1029: 
                   1030: 
                   1031: #ifndef HAVE_STRERROR
                   1032: extern char *sys_errlist[];
                   1033: #define strerror(i) sys_errlist[i]
                   1034: #endif
                   1035: 
                   1036: #ifndef HAVE_STRCHR
                   1037: # define strchr                 index
                   1038: # define strrchr                rindex
                   1039: #endif
                   1040: 
                   1041: #ifndef HAVE_ERRNO_DECL
                   1042: extern int errno;
                   1043: #endif
                   1044: 
                   1045: #ifdef HAVE_READLINK
                   1046: #define SUPPORT_LINKS 1
1.1.1.2 ! misho    1047: #if !defined NO_SYMLINK_XATTRS && !defined NO_SYMLINK_USER_XATTRS
        !          1048: #define do_readlink(path, buf, bufsiz) readlink(path, buf, bufsiz)
        !          1049: #endif
1.1       misho    1050: #endif
                   1051: #ifdef HAVE_LINK
                   1052: #define SUPPORT_HARD_LINKS 1
                   1053: #endif
                   1054: 
                   1055: #ifdef HAVE_SIGACTION
                   1056: #define SIGACTION(n,h) sigact.sa_handler=(h), sigaction((n),&sigact,NULL)
                   1057: #define signal(n,h) we_need_to_call_SIGACTION_not_signal(n,h)
                   1058: #else
                   1059: #define SIGACTION(n,h) signal(n,h)
                   1060: #endif
                   1061: 
                   1062: #ifndef EWOULDBLOCK
                   1063: #define EWOULDBLOCK EAGAIN
                   1064: #endif
                   1065: 
                   1066: #ifndef STDIN_FILENO
                   1067: #define STDIN_FILENO 0
                   1068: #endif
                   1069: 
                   1070: #ifndef STDOUT_FILENO
                   1071: #define STDOUT_FILENO 1
                   1072: #endif
                   1073: 
                   1074: #ifndef STDERR_FILENO
                   1075: #define STDERR_FILENO 2
                   1076: #endif
                   1077: 
                   1078: #ifndef S_IRUSR
                   1079: #define S_IRUSR 0400
                   1080: #endif
                   1081: 
                   1082: #ifndef S_IWUSR
                   1083: #define S_IWUSR 0200
                   1084: #endif
                   1085: 
                   1086: #ifndef ACCESSPERMS
                   1087: #define ACCESSPERMS 0777
                   1088: #endif
                   1089: 
                   1090: #ifndef S_ISVTX
                   1091: #define S_ISVTX 0
                   1092: #endif
                   1093: 
                   1094: #define CHMOD_BITS (S_ISUID | S_ISGID | S_ISVTX | ACCESSPERMS)
                   1095: 
                   1096: #ifndef _S_IFMT
                   1097: #define _S_IFMT        0170000
                   1098: #endif
                   1099: 
                   1100: #ifndef _S_IFLNK
                   1101: #define _S_IFLNK  0120000
                   1102: #endif
                   1103: 
                   1104: #ifndef S_ISLNK
                   1105: #define S_ISLNK(mode) (((mode) & (_S_IFMT)) == (_S_IFLNK))
                   1106: #endif
                   1107: 
                   1108: #ifndef S_ISBLK
                   1109: #define S_ISBLK(mode) (((mode) & (_S_IFMT)) == (_S_IFBLK))
                   1110: #endif
                   1111: 
                   1112: #ifndef S_ISCHR
                   1113: #define S_ISCHR(mode) (((mode) & (_S_IFMT)) == (_S_IFCHR))
                   1114: #endif
                   1115: 
                   1116: #ifndef S_ISSOCK
                   1117: #ifdef _S_IFSOCK
                   1118: #define S_ISSOCK(mode) (((mode) & (_S_IFMT)) == (_S_IFSOCK))
                   1119: #else
                   1120: #define S_ISSOCK(mode) (0)
                   1121: #endif
                   1122: #endif
                   1123: 
                   1124: #ifndef S_ISFIFO
                   1125: #ifdef _S_IFIFO
                   1126: #define S_ISFIFO(mode) (((mode) & (_S_IFMT)) == (_S_IFIFO))
                   1127: #else
                   1128: #define S_ISFIFO(mode) (0)
                   1129: #endif
                   1130: #endif
                   1131: 
                   1132: #ifndef S_ISDIR
                   1133: #define S_ISDIR(mode) (((mode) & (_S_IFMT)) == (_S_IFDIR))
                   1134: #endif
                   1135: 
                   1136: #ifndef S_ISREG
                   1137: #define S_ISREG(mode) (((mode) & (_S_IFMT)) == (_S_IFREG))
                   1138: #endif
                   1139: 
                   1140: /* work out what fcntl flag to use for non-blocking */
                   1141: #ifdef O_NONBLOCK
                   1142: # define NONBLOCK_FLAG O_NONBLOCK
                   1143: #elif defined SYSV
                   1144: # define NONBLOCK_FLAG O_NDELAY
                   1145: #else
                   1146: # define NONBLOCK_FLAG FNDELAY
                   1147: #endif
                   1148: 
                   1149: #ifndef INADDR_LOOPBACK
                   1150: #define INADDR_LOOPBACK 0x7f000001
                   1151: #endif
                   1152: 
                   1153: #ifndef INADDR_NONE
                   1154: #define INADDR_NONE 0xffffffff
                   1155: #endif
                   1156: 
                   1157: #define IS_SPECIAL(mode) (S_ISSOCK(mode) || S_ISFIFO(mode))
                   1158: #define IS_DEVICE(mode) (S_ISCHR(mode) || S_ISBLK(mode))
                   1159: 
                   1160: #define PRESERVE_FILE_TIMES    (1<<0)
                   1161: #define PRESERVE_DIR_TIMES     (1<<1)
                   1162: #define PRESERVE_LINK_TIMES    (1<<2)
                   1163: 
                   1164: /* Initial mask on permissions given to temporary files.  Mask off setuid
                   1165:      bits and group access because of potential race-condition security
                   1166:      holes, and mask other access because mode 707 is bizarre */
                   1167: #define INITACCESSPERMS 0700
                   1168: 
                   1169: /* handler for null strings in printf format */
                   1170: #define NS(s) ((s)?(s):"<NULL>")
                   1171: 
                   1172: /* Convenient wrappers for malloc and realloc.  Use them. */
                   1173: #define new(type) ((type*)malloc(sizeof (type)))
                   1174: #define new0(type) ((type*)calloc(1, sizeof (type)))
                   1175: #define new_array(type, num) ((type*)_new_array((num), sizeof (type), 0))
                   1176: #define new_array0(type, num) ((type*)_new_array((num), sizeof (type), 1))
                   1177: #define realloc_array(ptr, type, num) ((type*)_realloc_array((ptr), sizeof(type), (num)))
                   1178: 
                   1179: /* use magic gcc attributes to catch format errors */
                   1180:  void rprintf(enum logcode , const char *, ...)
                   1181:      __attribute__((format (printf, 2, 3)))
                   1182: ;
                   1183: 
                   1184: /* This is just like rprintf, but it also tries to print some
                   1185:  * representation of the error code.  Normally errcode = errno. */
                   1186: void rsyserr(enum logcode, int, const char *, ...)
                   1187:      __attribute__((format (printf, 3, 4)))
                   1188:      ;
                   1189: 
                   1190: /* Make sure that the O_BINARY flag is defined. */
                   1191: #ifndef O_BINARY
                   1192: #define O_BINARY 0
                   1193: #endif
                   1194: 
                   1195: #ifndef HAVE_STRLCPY
                   1196: size_t strlcpy(char *d, const char *s, size_t bufsize);
                   1197: #endif
                   1198: 
                   1199: #ifndef HAVE_STRLCAT
                   1200: size_t strlcat(char *d, const char *s, size_t bufsize);
                   1201: #endif
                   1202: 
                   1203: #ifndef WEXITSTATUS
                   1204: #define        WEXITSTATUS(stat)       ((int)(((stat)>>8)&0xFF))
                   1205: #endif
                   1206: #ifndef WIFEXITED
                   1207: #define        WIFEXITED(stat)         ((int)((stat)&0xFF) == 0)
                   1208: #endif
                   1209: 
                   1210: #define exit_cleanup(code) _exit_cleanup(code, __FILE__, __LINE__)
                   1211: 
                   1212: #ifdef HAVE_GETEUID
                   1213: #define MY_UID() geteuid()
                   1214: #else
                   1215: #define MY_UID() getuid()
                   1216: #endif
                   1217: 
                   1218: #ifdef HAVE_GETEGID
                   1219: #define MY_GID() getegid()
                   1220: #else
                   1221: #define MY_GID() getgid()
                   1222: #endif
                   1223: 
                   1224: #ifdef FORCE_FD_ZERO_MEMSET
                   1225: #undef FD_ZERO
                   1226: #define FD_ZERO(fdsetp) memset(fdsetp, 0, sizeof (fd_set))
                   1227: #endif
                   1228: 
1.1.1.2 ! misho    1229: extern short info_levels[], debug_levels[];
        !          1230: 
        !          1231: #define INFO_GTE(flag, lvl) (info_levels[INFO_##flag] >= (lvl))
        !          1232: #define INFO_EQ(flag, lvl) (info_levels[INFO_##flag] == (lvl))
        !          1233: #define DEBUG_GTE(flag, lvl) (debug_levels[DEBUG_##flag] >= (lvl))
        !          1234: #define DEBUG_EQ(flag, lvl) (debug_levels[DEBUG_##flag] == (lvl))
        !          1235: 
        !          1236: #define INFO_BACKUP 0
        !          1237: #define INFO_COPY (INFO_BACKUP+1)
        !          1238: #define INFO_DEL (INFO_COPY+1)
        !          1239: #define INFO_FLIST (INFO_DEL+1)
        !          1240: #define INFO_MISC (INFO_FLIST+1)
        !          1241: #define INFO_MOUNT (INFO_MISC+1)
        !          1242: #define INFO_NAME (INFO_MOUNT+1)
        !          1243: #define INFO_PROGRESS (INFO_NAME+1)
        !          1244: #define INFO_REMOVE (INFO_PROGRESS+1)
        !          1245: #define INFO_SKIP (INFO_REMOVE+1)
        !          1246: #define INFO_STATS (INFO_SKIP+1)
        !          1247: #define INFO_SYMSAFE (INFO_STATS+1)
        !          1248: 
        !          1249: #define COUNT_INFO (INFO_SYMSAFE+1)
        !          1250: 
        !          1251: #define DEBUG_ACL 0
        !          1252: #define DEBUG_BACKUP (DEBUG_ACL+1)
        !          1253: #define DEBUG_BIND (DEBUG_BACKUP+1)
        !          1254: #define DEBUG_CHDIR (DEBUG_BIND+1)
        !          1255: #define DEBUG_CONNECT (DEBUG_CHDIR+1)
        !          1256: #define DEBUG_CMD (DEBUG_CONNECT+1)
        !          1257: #define DEBUG_DEL (DEBUG_CMD+1)
        !          1258: #define DEBUG_DELTASUM (DEBUG_DEL+1)
        !          1259: #define DEBUG_DUP (DEBUG_DELTASUM+1)
        !          1260: #define DEBUG_EXIT (DEBUG_DUP+1)
        !          1261: #define DEBUG_FILTER (DEBUG_EXIT+1)
        !          1262: #define DEBUG_FLIST (DEBUG_FILTER+1)
        !          1263: #define DEBUG_FUZZY (DEBUG_FLIST+1)
        !          1264: #define DEBUG_GENR (DEBUG_FUZZY+1)
        !          1265: #define DEBUG_HASH (DEBUG_GENR+1)
        !          1266: #define DEBUG_HLINK (DEBUG_HASH+1)
        !          1267: #define DEBUG_ICONV (DEBUG_HLINK+1)
        !          1268: #define DEBUG_IO (DEBUG_ICONV+1)
        !          1269: #define DEBUG_OWN (DEBUG_IO+1)
        !          1270: #define DEBUG_PROTO (DEBUG_OWN+1)
        !          1271: #define DEBUG_RECV (DEBUG_PROTO+1)
        !          1272: #define DEBUG_SEND (DEBUG_RECV+1)
        !          1273: #define DEBUG_TIME (DEBUG_SEND+1)
        !          1274: 
        !          1275: #define COUNT_DEBUG (DEBUG_TIME+1)
1.1       misho    1276: 
                   1277: #ifndef HAVE_INET_NTOP
                   1278: const char *inet_ntop(int af, const void *src, char *dst, size_t size);
                   1279: #endif
                   1280: 
                   1281: #ifndef HAVE_INET_PTON
                   1282: int inet_pton(int af, const char *src, void *dst);
                   1283: #endif
                   1284: 
1.1.1.2 ! misho    1285: #ifndef HAVE_GETPASS
        !          1286: char *getpass(const char *prompt);
        !          1287: #endif
        !          1288: 
1.1       misho    1289: #ifdef MAINTAINER_MODE
                   1290: const char *get_panic_action(void);
                   1291: #endif

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