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While adding the list of external commands I missed the
various checksum tools.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
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guestfsd calls many different tools. Keeping track of all of them is
error prone. This patch introduces a new helper macro to put the command
string into its own ELF section:
GUESTFSD_EXT_CMD(C_variable, command_name);
This syntax makes it still possible to grep for used command names.
The actual usage of the collected list could be like this:
objcopy -j .guestfsd_ext_cmds -O binary daemon/guestfsd /dev/stdout |
tr '\0' '\n' | sort -u
The resulting output will be used to tell mkinitrd which programs to
copy into the initrd.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
RWMJ:
- Move str_vgchange at request of author.
- Fix snprintf call in daemon/debug.c
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The presumption is that all file descriptors should be created with
the close-on-exec flag set. The only exception are file descriptors
that we want passed through to exec'd subprocesses (mainly pipes and
stdin/stdout/stderr).
For open calls, we pass O_CLOEXEC as an extra flag, eg:
fd = open ("foo", O_RDONLY|O_CLOEXEC);
This is a Linux-ism, but using a macro we can easily make it portable.
For sockets, similarly:
sock = socket (..., SOCK_STREAM|SOCK_CLOEXEC, ...);
For accepted sockets, we use the Linux accept4 system call which
allows flags to be supplied, but we use the Gnulib 'accept4' module to
make this portable.
For dup, dup2, we use the Linux dup3 system call, and the Gnulib
modules 'dup3' and 'cloexec'.
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Analyze all uses of 'int' in the code, and replace with 'size_t' where
appropriate.
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Update all copyright dates to 2012.
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This file is already hard-linked into the current directory, so
the relative path is not required.
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Useful API for verifying the integrity of virtual machines.
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This shouldn't change the semantics of the program.
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Analogous to the usual 'checksum' call.
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git grep -l 'strcasecmp *([^=]*== *0'| xargs \
perl -pi -e 's/\bstrcasecmp( *\(.*?\)) *== *0/STRCASEEQ$1/'
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Nearly every file-related function in daemons/*.c is affected:
Remove this pair of statements from each affected do_* function:
- NEED_ROOT (return -1);
- ABS_PATH (dir, return -1);
and change the type of the corresponding parameter to "const char *".
* src/generator.ml: Emit NEED_ROOT just once, even when there are two or
more Pathname args.
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run this command:
git grep -l -w NEED_ROOT|xargs perl -pi -e \
's/(NEED_ROOT) \((.*?)\)/$1 (return $2)/'
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run this command:
git grep -l -w ABS_PATH|xargs perl -pi -e \
's/(?:ABS_PATH)( \(.*?,) (.*?)\)/ABS_PATH$1 return $2)/'
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Currently /sysroot is hard-coded throughout the daemon code.
This patch turns the path into a variable so that we can change
it in future, for example to allow standalone mode to be implemented.
This patch was tested by running all the C API tests successfully.
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