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* New API call: fill - fill a file with octetsRichard Jones2009-11-172-0/+77
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* Fix problems found by 'make syntax check'Richard Jones2009-11-101-43/+43
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* Generic partition creation interface.Richard Jones2009-11-102-0/+358
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit introduces a generic partition creation interface which should be future-proof and extensible, and partially replaces the old sfdisk-based interface. The implementation is based on parted but is hopefully not too dependent on the particulars of parted. The following new calls are introduced: guestfs_part_init: Initialize a disk with a partition table. Unlike the sfdisk- based interface, we also support GPT and other partition types, which is essential to scale to devices larger than 2TB. guestfs_part_add: Add a partition to an existing disk. guestfs_part_disk: Convenience function which combines part_init & part_add, creating a single partition that covers the whole disk. guestfs_part_set_bootable: guestfs_part_set_name: Set various aspects of existing partitions. guestfs_part_list: List partitions on a device. This returns a programming-friendly list of partition structs (in contrast to sfdisk-l which cannot be parsed). guestfs_part_get_parttype: Return the partition table type, eg. "msdos" or "gpt". The following calls are planned, but not added currently: guestfs_part_get_bootable guestfs_part_get_name guestfs_part_set_type guestfs_part_get_type
* Fix compilation when Augeas is not present.Richard Jones2009-11-101-1/+1
| | | | It would complain that NEED_AUG macro was defined but not used.
* use STREQ, not strcmp: part 2Jim Meyering2009-11-091-1/+1
| | | | | git grep -l 'strcmp *([^=]*!= *0'|xargs \ perl -pi -e 's/\bstrcmp( *\(.*?\)) *!= *0\b/STRNEQ$1/g'
* use STREQ, not strcmp: part 1Jim Meyering2009-11-099-15/+15
| | | | | git grep -l 'strcmp *([^=]*== *0'|xargs \ perl -pi -e 's/\bstrcmp( *\(.*?\)) *== *0/STREQ$1/g'
* change strncmp() == 0 to STREQLEN()Jim Meyering2009-11-097-12/+12
| | | | | git grep -l 'strncmp *([^=]*== *0'|xargs \ perl -pi -e 's/\bstrncmp( *\(.*?\)) *== *0\b/STREQLEN$1/g'
* change strncmp(...) != 0 to STRNEQLEN(...)Jim Meyering2009-11-092-2/+2
| | | | | git grep -l 'strncmp *([^=]*!= *0'|xargs \ perl -pi -e 's/\bstrncmp( *\(.*?\)) *!= *0/STRNEQLEN$1/g'
* convert uses of strcasecmp to STRCASEEQJim Meyering2009-11-093-9/+9
| | | | | git grep -l 'strcasecmp *([^=]*== *0'| xargs \ perl -pi -e 's/\bstrcasecmp( *\(.*?\)) *== *0/STRCASEEQ$1/'
* define STREQ, STRNEQ, STREQLEN, STRCASEQ, etc.Jim Meyering2009-11-091-0/+10
| | | | | | * src/guestfs.h: Define STREQ and company. * daemon/daemon.h: Likewise. * hivex/hivex.h: Likewise.
* indent with spaces, not TABsJim Meyering2009-11-092-17/+17
| | | | | | | | | | | * HACKING: Expand indentation TABs. * configure.ac: Likewise. * daemon/daemon.h: Likewise. * daemon/guestfsd.c: Likewise. * fuse/guestmount.c: Likewise. * hivex/LICENSE: Likewise. * src/generator.ml: Likewise. * tools/virt-win-reg: Likewise.
* appliance: Enhance mkfs to support many more filesystem types.Richard Jones2009-11-091-17/+62
| | | | | | | | | | | | | | | | This fixes support for NTFS, and adds support for: - reiserfs - btrfs - GFS and GFS2 - JFS - HFS and HFS+ - NILFS - OCFS2 (disabled) We don't enable OCFS2 by default, because it pulls in about 140 extra packages into the appliance. GFS & GFS2 default to single node (no lock manager etc).
* Fix prototype of commandv to match prototype of commandrv.Richard Jones2009-11-095-7/+8
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* daemon: Always reflect command stderr to stderr when debugging.Richard W.M. Jones2009-11-091-9/+16
| | | | | | | | | | When debugging (ie. LIBGUESTFS_DEBUG=1 & verbose flag set in daemon) always reflect any stderr output from commands that we run to stderr of the daemon, so it is visible. Previously if stderror == NULL in command*, stderr output was just eaten and discarded which meant useful error messages could be lost.
* daemon: Add flags argument to command*() functions.Richard W.M. Jones2009-11-092-18/+51
| | | | | | | | | | | | | | | | This adds new variations of the command*() functions which take a 'flags' argument. Currently the only flag available is defined as follows: COMMAND_FLAG_FOLD_STDOUT_ON_STDERR: For broken external commands that send error messages to stdout (hello, parted) but that don't have any useful stdout information, use this flag to capture the error messages in the *stderror buffer. If using this flag, you should pass stdoutput as NULL because nothing could ever be captured in that buffer. This patch also adds some documentation for command*() function.
* daemon: Build daemon with AC_SYS_LARGEFILE.Richard Jones2009-11-041-0/+3
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* daemon: When running external commands, open stdin as /dev/nullRichard Jones2009-11-041-0/+1
| | | | | | | | Previously when we ran external commands from the daemon, stdin (ie. fd 0) was closed. This caused a problem when running the external hexdump command which seems to break if stdin is closed. This patch opens stdin on /dev/null.
* New API call: preadRichard Jones2009-11-021-0/+52
| | | | | guestfs_pread lets you do partial file reads from arbitrary places within a file. It works like the pread(2) system call.
* New API calls: lstatlist, lxattrlist, readlinklist.Richard Jones2009-11-023-0/+324
| | | | | | | | These three functions are very specifically designed for FUSE support, so we can list directories efficiently. Instead of making lots of lstat, lgetxattr and readlink calls, we can make just three calls per directory to grab all the attributes (which we then cache briefly).
* New API calls: truncate, truncate_size, mkdir_mode, utimens, lchown.Richard Jones2009-11-025-0/+182
| | | | | | | | | | | | | | | truncate, truncate_size: Used to truncate files to a particular size, or to zero bytes. mkdir_mode: Like mkdir but allows you to also specify the initial permissions for the new directory. utimens: Set timestamp on a file with nanosecond accuracy. lchown: Corresponding to lchown(2) syscall (we already have chown). The implementation is complicated by the fact that we had to add an Int64 parameter type to the generator.
* daemon: Don't warn on -Wunsafe-loop-optimizations.Richard Jones2009-11-021-0/+2
| | | | | Ignore -Wunsafe-loop-optimizations, same as in the top level configure file.
* New API: vfs_type - get the Linux VFS driver for a mounted device.Richard Jones2009-10-262-0/+54
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* daemon: Change chdir to use openat/fdopendir.Richard Jones2009-10-263-9/+67
| | | | Uses Gnulib implementation of openat which should be portable.
* New API: case-sensitive-path to return case sensitive path on NTFS 3g fsRichard Jones2009-10-261-0/+122
| | | | | | | | | | | | | | | | | | | | This function handles an annoyance/peculiarity of the Linux NTFS 3g driver, which is that it exports NTFS filesystems with names case sensitive, even though under Windows they would be case insensitive. This causes problems because the location of (eg.) c:\windows might appear as /windows or /WINDOWS (etc) depending on the inconsequential details of how it was originally created. Example of this problem on a real Windows guest: ><fs> file /windows/system32/config/system.log libguestfs: error: file: access: /windows/system32/config/system.log: No such file or directory ><fs> case-sensitive-path /windows/system32/config/system.log /WINDOWS/system32/config/system.LOG ><fs> file /WINDOWS/system32/config/system.LOG MS Windows registry file, NT/2000 or above
* Tab to space fixes, now passes 'make syntax-check'Richard Jones2009-10-201-5/+4
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* guestfs_find: Fix memory leak of sysrootdir.Richard Jones2009-10-201-0/+1
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* New API: find0 (unlimited version of find)Richard Jones2009-10-201-0/+99
| | | | | | | | | | | | | This adds a new API call guestfs_find0, which is like guestfs_find but mainly doesn't suffer from the protocol limit of the earlier command. The earlier command is not deprecated because it is still very useful. guestfs_find0 uses a FileOut parameter and writes the results to an external file. The filenames in the output are separated by ASCII NUL characters (so a bit like "find -print0"). There is also the addition of a regression test for this command.
* avoid use of all ctype macrosJim Meyering2009-09-245-12/+13
| | | | | | | | | | | | | | | | | | | | * cfg.mk (disable_temporarily): Don't disable sc_avoid_ctype_macros. * fish/tilde.c: Remove unnecessary inclusion of ctype.h. * bootstrap: Add gnulib's c-ctype module to the list. * daemon/m4/gnulib-cache.m4: Likewise. * daemon/ext2.c: Include "c-ctype.h", not <ctype.h>. Use c_isspace, etc, rather than isspace. * daemon/guestfsd.c: Likewise. * daemon/lvm.c: Likewise. * daemon/proto.c: Likewise. * fish/fish.c: Likewise. * fish/tilde.c: Likewise. * src/generator.ml: Likewise. * src/guestfs.c: Likewise. * examples/to-xml.c: Likewise. * examples/Makefile.am (to_xml_CPPFLAGS): Add -I$(top_srcdir)/gnulib/lib so inclusion of "c-ctype.h" works. (to_xml_CPPFLAGS): Rename from to_xml_CFLAGS.
* Flexible guestfs_vmchannel parameter for future appliances.Richard Jones2009-09-221-34/+137
| | | | | | | | | | | | | | | | | | | | | | This reimplements parts of commit da0a4f8d1f6ddd302ceba028d87c6e009589e503 in a different, but compatible way. We pass guestfs_vmchannel=tcp:<ip>:<port> on the command line. This is intended to be used as follows (now and in future versions): tcp:10.0.2.4:6666 for guestfwd vmchannel tcp:10.0.2.2:<port> for future "no vmchannel" implementation /dev/vcon4 for future virtio-console vmchannel* It also accepts the old-style guestfs=10.0.2.4:6666 parameter which is sent by older libraries, and turns this transparently into the correct format above. If no guestfs_vmchannel is passed, then this defaults to the guestfwd vmchannel which older libraries would expect. * Maybe this last one should be dev:/dev/vcon4 or file:/dev/vcon4, but we don't need to decide that now.
* Rearrange and tidy up code in guestfsd.cRichard Jones2009-09-221-30/+74
| | | | | | | | | | | | | | | This just tidies up the main() function in the daemon. There is no longer a huge fixed-sized buffer used for the kernel command line. Variables are moved closer to where they are used. Some local variables turned out to be unused - these are removed. Finally the part that reads the kernel command line is moved into a separate function. There is only minimal functional change here (it now prints out the kernel command line). Literal '4' replaced with 'sizeof' expression, at Jim Meyering's suggestion during patch review.
* Fix code which looked for leaked FDs between each command.Richard Jones2009-09-172-5/+6
| | | | | | This code was not checking the return value from system() so it failed if uncommented. Add ignore_value() around the call to system. However, leave the code still disabled.
* Remove explicit guestfs=10.0.2.4:6666 kernel command line parameter.Richard Jones2009-09-171-57/+21
| | | | | | | | | | Since we control the appliance tightly, we can just specify that it will always use a particular host and port, and we don't need to pass it on the command line each time. Also the VMCHANNEL_* constants are only relevant to the particular guestfwd vmchannel implementation, so we rename them as GUESTFWD_*.
* Daemon: fix handling of errors from xread and xwrite.Richard Jones2009-09-173-10/+17
| | | | | | If xread or xwrite returns -1, that indicates an error and we should exit. Note that xread/xwrite has already printed the error message.
* Fix verbose packet dumping functions.Richard Jones2009-09-172-3/+11
| | | | | | | | | | Add the configure parameter --enable-packet-dump so that this code can be enabled without editing the source. This code is normally commented out, because it is too verbose unless you happen to be debugging the underlying protocol. Because it is normally commented out, I found it had bit-rotted slightly. This commit also fixes the obvious problems.
* 'len' should be an unsigned 32 bit int.Richard Jones2009-09-171-1/+1
| | | | | This only happened to work by accident before because 'unsigned len' happens to be 32 bit on all platforms we support.
* Add echo_daemon commandMatthew Booth2009-09-142-0/+74
| | | | | echo_daemon is a simple echo which can be used to test connectivity between the client and daemon.
* Ignore some more m4 files.Richard Jones2009-09-091-0/+1
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* daemon: diagnose socket write failureJim Meyering2009-08-204-9/+19
| | | | | | | | | * daemon/proto.c (send_chunk): Don't ignore socket-write error. * daemon/proto.c (send_file_end): Return "int", not void, so we can propagate send_chunk failure to caller. * daemon/daemon.h (send_file_end): Update prototype. * daemon/tar.c (do_tar_out, do_tgz_out): Update uses of send_file_end. * daemon/upload.c (do_download): Likewise.
* mke2fs: Use e4fsprogs programs if available.Richard W.M. Jones2009-08-191-3/+46
| | | | | | | On RHEL 5, mke2fs is ancient, and there is a non-standard "mke4fs" binary which acts like the more recent mke2fs on Fedora. Since there are several annoyances and actual bugs in the ancient RHEL 5 mke2fs, use mke4fs instead if it's available.
* New 'modprobe' command.Matthew Booth2009-08-182-0/+41
| | | | Allow kernel modules to be loaded into the appliance.
* Implement 'debug ls' and 'debug ll' commands.Richard Jones2009-08-182-3/+64
| | | | These commands can be used to list files in the appliance.
* Ignore manywarnings.m4 / warnings.m4.Richard W.M. Jones2009-08-171-0/+2
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* Remove redundant macro.Richard W.M. Jones2009-08-171-2/+0
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* indent with spaces, not TABsJim Meyering2009-08-173-19/+19
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* daemon: enable -Werror and many gcc warnings when --enable-gcc-warningsJim Meyering2009-08-173-2/+66
| | | | | | | | | | * daemon/m4/gnulib-cache.m4: Add two modules: manywarnings, warnings. * daemon/configure.ac: Implement --enable-gcc-warnings, and selectively disable a few warning options that are either not useful or that provoke too many warnings for now. Define and AC_SUBST WARN_CFLAGS and WERROR_CFLAGS. * daemon/Makefile.am (guestfsd_CFLAGS): Use $(WARN_CFLAGS) and $(WERROR_CFLAGS), rather than just -Wall.
* xattr.c: avoid warning about comparison between signed and unsignedJim Meyering2009-08-171-4/+6
| | | | * daemon/xattr.c (getxattrs): Use an unsigned index.
* guestfsd: don't ignore failed write-to-socketJim Meyering2009-08-171-1/+1
| | | | | * daemon/proto.c (reply): Fix typo that would cause us to ignore failed write-to-socket.
* daemon.h: avoid warning about possible noreturn functionJim Meyering2009-08-171-1/+1
| | | | * daemon/daemon.h (main_loop): Use "noreturn" attribute.
* sfdisk.c, fallocate.c: use a string literal as formatJim Meyering2009-08-172-3/+3
| | | | | * daemon/fallocate.c (do_fallocate): Format was not a string literal. * daemon/sfdisk.c (sfdisk): Likewise.
* wc, blockdev: avoid warnings about discarding "const" qualifiersJim Meyering2009-08-172-2/+2
| | | | | * daemon/wc.c (wc): Make "flag" param const. * daemon/blockdev.c (call_blockdev): Likewise, for "switc".
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