int main(int argc, char *argv[])
{
	struct wrapper_data data;

	memset(&data, 0, sizeof(data));

	if (getenv("PATH"))
		data.path = xstrdup(getenv("PATH"));

	/* What should we find ? */
	data.name = basename(argv[0]);

	/* Allow for common compiler names like cc->gcc */
	size_t i;
	for (i = 0; i < ARRAY_SIZE(wrapper_aliases); ++i)
		if (!strcmp(data.name, wrapper_aliases[i].alias))
			data.name = wrapper_aliases[i].target;

	/* What is the full name of our wrapper? */
	data.fullname = xmalloc(strlen(data.name) + sizeof("@GENTOO_PORTAGE_EPREFIX@/usr/bin/") + 1);
	sprintf(data.fullname, "@GENTOO_PORTAGE_EPREFIX@/usr/bin/%s", data.name);

	find_wrapper_target(&data);

	modify_path(&data);

	free(data.path);
	data.path = NULL;

	/* Set argv[0] to the correct binary, else gcc can't find internal headers
	 * http://bugs.gentoo.org/8132
	 */
	argv[0] = data.bin;

	/* If $ABI is in env, add appropriate env flags */
	char **newargv = argv;
	if (getenv("ABI")) {
		char envvar[50];

		/* We use CFLAGS_${ABI} for gcc, g++, g77, etc as the flags that would
		 * be in there are the same no matter which compiler we are using.
		 */
		snprintf(envvar, sizeof(envvar), "CFLAGS_%s", getenv("ABI"));
		envvar[sizeof(envvar)-1] = '\0';

		if (getenv(envvar))
			newargv = build_new_argv(argv, getenv(envvar));
	}

	/* Ok, lets do it one more time ... */
	execv(data.bin, newargv);

	/* shouldn't have made it here if things worked ... */
	wrapper_err("could not run/locate '%s'", data.name);

	return 123;
}
Exemple #2
0
		void sync_delete(const wchar_t** pszAbsPath, bool bThrow)
		{
			int nLen;
			for(nLen=0; pszAbsPath[nLen]; ++nLen);
			++nLen;
			wchar_t** ppCopy=(wchar_t**)alloca(nLen * sizeof(const wchar_t*));
			memcpy(ppCopy, pszAbsPath, nLen * sizeof(const wchar_t*));
			wchar_t* szwEntry=NULL;
			modify_path(ppCopy, szwEntry);
			m_pStorage->region_load((const wchar_t**)ppCopy, true);
			m_pStorage->entry_destroy(szwEntry);
		};
int main(int argc, char *argv[])
{
	struct wrapper_data *data;
	size_t size;
	int i;
	char **newargv = argv;

	data = alloca(sizeof(*data));
	if (data == NULL)
		wrapper_exit("%s wrapper: out of memory\n", argv[0]);
	memset(data, 0, sizeof(*data));

	if (getenv("PATH")) {
		data->path = strdup(getenv("PATH"));
		if (data->path == NULL)
			wrapper_exit("%s wrapper: out of memory\n", argv[0]);
	}

	/* What should we find ? */
	strcpy(data->name, basename(argv[0]));

	/* Allow for common compiler names like cc->gcc */
	for (i = 0; wrapper_aliases[i].alias; ++i)
		if (!strcmp(data->name, wrapper_aliases[i].alias))
			strcpy(data->name, wrapper_aliases[i].target);

	/* What is the full name of our wrapper? */
	size = sizeof(data->fullname);
	i = snprintf(data->fullname, size, "/usr/bin/%s", data->name);
	if ((i == -1) || (i > (int)size))
		wrapper_exit("invalid wrapper name: \"%s\"\n", data->name);

	find_wrapper_target(data);

	modify_path(data);

	if (data->path)
		free(data->path);
	data->path = NULL;

	/* Set argv[0] to the correct binary, else gcc can't find internal headers
	 * http://bugs.gentoo.org/show_bug.cgi?id=8132 */
	argv[0] = data->bin;

	/* If this is g{cc,++}{32,64}, we need to add -m{32,64}
	 * otherwise  we need to add ${CFLAGS_${ABI}}
	 */
	size = strlen(data->bin) - 2;
	if(!strcmp(data->bin + size, "32") ) {
		*(data->bin + size) = '\0';
		newargv = build_new_argv(argv, "-m32");
	} else if (!strcmp(data->bin + size, "64") ) {
		*(data->bin + size) = '\0';
		newargv = build_new_argv(argv, "-m64");
	} else if(getenv("ABI")) {
		char envvar[50];

		/* We use CFLAGS_${ABI} for gcc, g++, g77, etc as they are
		 * the same no matter which compiler we are using.
		 */
		snprintf(envvar, sizeof(envvar), "CFLAGS_%s", getenv("ABI"));

		if (getenv(envvar)) {
			newargv = build_new_argv(argv, getenv(envvar));
			if(!newargv)
				wrapper_exit("%s wrapper: out of memory\n", argv[0]);
		}
	}

	/* Ok, lets do it one more time ... */
	if (execv(data->bin, newargv) < 0)
		wrapper_exit("Could not run/locate \"%s\"\n", data->name);

	return 0;
}
int main(int argc, char *argv[])
{
	struct wrapper_data data;
	size_t size;
	int i;
	char **newargv = argv;

	memset(&data, 0, sizeof(data));

	if (getenv("PATH")) {
		data.path = strdup(getenv("PATH"));
		if (data.path == NULL)
			wrapper_exit("%s wrapper: out of memory\n", argv[0]);
	}

	/* What should we find ? */
	strcpy(data.name, basename(argv[0]));

	/* Allow for common compiler names like cc->gcc */
	for (i = 0; wrapper_aliases[i].alias; ++i)
		if (!strcmp(data.name, wrapper_aliases[i].alias))
			strcpy(data.name, wrapper_aliases[i].target);

	/* What is the full name of our wrapper? */
	size = sizeof(data.fullname);
	i = snprintf(data.fullname, size, "/usr/bin/%s", data.name);
	if ((i == -1) || (i > (int)size))
		wrapper_exit("invalid wrapper name: \"%s\"\n", data.name);

	find_wrapper_target(&data);

	modify_path(&data);

	if (data.path)
		free(data.path);
	data.path = NULL;

	/* Set argv[0] to the correct binary, else gcc can't find internal headers
	 * http://bugs.gentoo.org/8132
	 */
	argv[0] = data.bin;

	/* If $ABI is in env, add appropriate env flags */
	if (getenv("ABI")) {
		char envvar[50];

		/* We use CFLAGS_${ABI} for gcc, g++, g77, etc as they are
		 * the same no matter which compiler we are using.
		 */
		snprintf(envvar, sizeof(envvar), "CFLAGS_%s", getenv("ABI"));

		if (getenv(envvar)) {
			newargv = build_new_argv(argv, getenv(envvar));
			if (!newargv)
				wrapper_exit("%s wrapper: out of memory\n", argv[0]);
		}
	}

	/* Ok, lets do it one more time ... */
	if (execv(data.bin, newargv) < 0)
		wrapper_exit("Could not run/locate \"%s\"\n", data.name);

	return 123;
}
Exemple #5
0
/*ARGSUSED*/
error_t
cvt_to_metal(menu_t *mp, char *osroot, char *menu_root)
{
	const char *fcn = "cvt_to_metal()";

	line_t *lp;
	entry_t *ent;
	size_t len, zfslen;

	char *delim = ",";
	char *newstr;
	char *osdev;

	char *title = NULL;
	char *findroot = NULL;
	char *bootfs = NULL;
	char *kernel = NULL;
	char *module = NULL;

	char *barchive_path = DIRECT_BOOT_ARCHIVE;
	char *kern_path = NULL;

	int curdef, newdef;
	int emit_bflag = 1;
	int ret = BAM_ERROR;

	assert(osroot);

	BAM_DPRINTF((D_FUNC_ENTRY2, fcn, osroot, ""));

	/*
	 * First just check to verify osroot is a sane directory.
	 */
	if ((osdev = get_special(osroot)) == NULL) {
		bam_error(CANT_FIND_SPECIAL, osroot);
		return (BAM_ERROR);
	}

	free(osdev);

	/*
	 * Found the GRUB signature on the target partitions, so now get the
	 * default GRUB boot entry number from the menu.lst file
	 */
	curdef = atoi(mp->curdefault->arg);

	/* look for the first line of the matching boot entry */
	for (ent = mp->entries; ((ent != NULL) && (ent->entryNum != curdef));
	    ent = ent->next)
		;

	/* couldn't find it, so error out */
	if (ent == NULL) {
		bam_error(CANT_FIND_DEFAULT, curdef);
		goto abort;
	}

	/*
	 * Now process the entry itself.
	 */
	for (lp = ent->start; lp != NULL; lp = lp->next) {
		/*
		 * Process important lines from menu.lst boot entry.
		 */
		if (lp->flags == BAM_TITLE) {
			title = alloca(strlen(lp->arg) + 1);
			(void) strcpy(title, lp->arg);
		} else if (strcmp(lp->cmd, "findroot") == 0) {
			findroot = alloca(strlen(lp->arg) + 1);
			(void) strcpy(findroot, lp->arg);
		} else if (strcmp(lp->cmd, "bootfs") == 0) {
			bootfs = alloca(strlen(lp->arg) + 1);
			(void) strcpy(bootfs, lp->arg);
		} else if (strcmp(lp->cmd, menu_cmds[MODULE_DOLLAR_CMD]) == 0) {
			if (strstr(lp->arg, "boot_archive") == NULL) {
				module = alloca(strlen(lp->arg) + 1);
				(void) strcpy(module, lp->arg);
				cvt_hyper_module(module, &kern_path);
			} else {
				barchive_path = alloca(strlen(lp->arg) + 1);
				(void) strcpy(barchive_path, lp->arg);
			}
		} else if ((strcmp(lp->cmd,
		    menu_cmds[KERNEL_DOLLAR_CMD]) == 0) &&
		    (cvt_hyper_kernel(lp->arg) < 0)) {
			ret = BAM_NOCHANGE;
			goto abort;
		}

		if (lp == ent->end)
			break;
	}

	/*
	 * If findroot, module or kern_path are NULL, the boot entry is
	 * malformed.
	 */
	if (findroot == NULL) {
		bam_error(FINDROOT_NOT_FOUND, curdef);
		goto abort;
	}

	if (module == NULL) {
		bam_error(MODULE_NOT_PARSEABLE, curdef);
		goto abort;
	}

	if (kern_path == NULL) {
		bam_error(KERNEL_NOT_FOUND, curdef);
		goto abort;
	}

	/*
	 * Assemble new kernel and module arguments from parsed values.
	 *
	 * First, change the kernel directory from the hypervisor version to
	 * that needed for a metal kernel.
	 */
	newstr = modify_path(kern_path, HYPER_KERNEL_DIR, METAL_KERNEL_DIR);
	free(kern_path);
	kern_path = newstr;

	/* allocate initial space for the kernel path */
	len = strlen(kern_path) + 1;
	zfslen = (zfs_boot ? (WHITESPC(1) + strlen(ZFS_BOOT)) : 0);

	if ((kernel = malloc(len + zfslen)) == NULL) {
		free(kern_path);
		bam_error(NO_MEM, len + zfslen);
		bam_exit(1);
	}

	(void) snprintf(kernel, len, "%s", kern_path);
	free(kern_path);

	if (zfs_boot) {
		char *zfsstr = alloca(zfslen + 1);

		(void) snprintf(zfsstr, zfslen + 1, " %s", ZFS_BOOT);
		(void) strcat(kernel, zfsstr);
		emit_bflag = 0;
	}

	/*
	 * Process the bootenv.rc file to look for boot options that would be
	 * the same as what the hypervisor had manually set, as we need not set
	 * those explicitly.
	 *
	 * If there's no bootenv.rc, it's not an issue.
	 */
	parse_bootenvrc(osroot);

	/*
	 * Don't emit a console setting if it's the same as what would be
	 * set by bootenv.rc.
	 */
	if ((console_dev != NULL) && (bootenv_rc_console == NULL ||
	    (strcmp(console_dev, bootenv_rc_console) != 0))) {
		if (emit_bflag) {
			newstr = append_str(kernel, BFLAG, " ");
			free(kernel);
			kernel = append_str(newstr, "console=", " ");
			free(newstr);
			newstr = append_str(kernel, console_dev, "");
			free(kernel);
			kernel = newstr;
			emit_bflag = 0;
		} else {
			newstr = append_str(kernel, "console=", ",");
			free(kernel);
			kernel = append_str(newstr, console_dev, "");
			free(newstr);
		}
	}

	/*
	 * We have to do some strange processing here because the hypervisor's
	 * serial ports default to "9600,8,n,1,-" if "comX=auto" is specified,
	 * or to "auto" if nothing is specified.
	 *
	 * This could result in a serial mode setting string being added when
	 * it would otherwise not be needed, but it's better to play it safe.
	 */
	if (emit_bflag) {
		newstr = append_str(kernel, BFLAG, " ");
		free(kernel);
		kernel = newstr;
		delim = " ";
		emit_bflag = 0;
	}

	if ((serial_config[0] != NULL) && (bootenv_rc_serial[0] == NULL ||
	    (strcmp(serial_config[0], bootenv_rc_serial[0]) != 0))) {
		newstr = append_str(kernel, "ttya-mode='", delim);
		free(kernel);

		/*
		 * Pass the serial configuration as the delimiter to
		 * append_str() as it will be inserted between the current
		 * string and the string we're appending, in this case the
		 * closing single quote.
		 */
		kernel = append_str(newstr, "'", serial_config[0]);
		free(newstr);
		delim = ",";
	}

	if ((serial_config[1] != NULL) && (bootenv_rc_serial[1] == NULL ||
	    (strcmp(serial_config[1], bootenv_rc_serial[1]) != 0))) {
		newstr = append_str(kernel, "ttyb-mode='", delim);
		free(kernel);

		/*
		 * Pass the serial configuration as the delimiter to
		 * append_str() as it will be inserted between the current
		 * string and the string we're appending, in this case the
		 * closing single quote.
		 */
		kernel = append_str(newstr, "'", serial_config[1]);
		free(newstr);
		delim = ",";
	}

	/* shut off warning messages from the entry line parser */
	if (ent->flags & BAM_ENTRY_BOOTADM)
		ent->flags &= ~BAM_ENTRY_BOOTADM;

	BAM_DPRINTF((D_CVT_CMD_KERN_DOLLAR, fcn, kernel));
	BAM_DPRINTF((D_CVT_CMD_MOD_DOLLAR, fcn, module));

	if ((newdef = add_boot_entry(mp, title, findroot, kernel, NULL,
	    barchive_path, bootfs)) == BAM_ERROR) {
		free(kernel);
		return (newdef);
	}

	/*
	 * Now try to delete the current default entry from the menu and add
	 * the new hypervisor entry with the parameters we've setup.
	 */
	if (delete_boot_entry(mp, curdef, DBE_QUIET) == BAM_SUCCESS)
		newdef--;
	else
		bam_print(NEW_BOOT_ENTRY, title);

	free(kernel);

	/*
	 * If we successfully created the new entry, set the default boot
	 * entry to that entry and let the caller know the new menu should
	 * be written out.
	 */
	return (set_global(mp, menu_cmds[DEFAULT_CMD], newdef));

abort:
	if (ret != BAM_NOCHANGE)
		bam_error(METAL_ABORT, osroot);

	return (ret);
}
Exemple #6
0
error_t
cvt_to_hyper(menu_t *mp, char *osroot, char *extra_args)
{
	const char *fcn = "cvt_to_hyper()";

	line_t *lp;
	entry_t *ent;
	size_t len, zfslen;

	char *newstr;
	char *osdev;

	char *title = NULL;
	char *findroot = NULL;
	char *bootfs = NULL;
	char *kernel = NULL;
	char *mod_kernel = NULL;
	char *module = NULL;

	char *kern_path = NULL;
	char *kern_bargs = NULL;

	int curdef, newdef;
	int kp_allocated = 0;
	int ret = BAM_ERROR;

	assert(osroot);

	BAM_DPRINTF((D_FUNC_ENTRY2, fcn, osroot, extra_args));

	/*
	 * First just check to verify osroot is a sane directory.
	 */
	if ((osdev = get_special(osroot)) == NULL) {
		bam_error(CANT_FIND_SPECIAL, osroot);
		return (BAM_ERROR);
	}

	free(osdev);

	/*
	 * While the effect is purely cosmetic, if osroot is "/" don't
	 * bother prepending it to any paths as they are constructed to
	 * begin with "/" anyway.
	 */
	if (strcmp(osroot, "/") == 0)
		osroot = "";

	/*
	 * Found the GRUB signature on the target partitions, so now get the
	 * default GRUB boot entry number from the menu.lst file
	 */
	curdef = atoi(mp->curdefault->arg);

	/* look for the first line of the matching boot entry */
	for (ent = mp->entries; ((ent != NULL) && (ent->entryNum != curdef));
	    ent = ent->next)
		;

	/* couldn't find it, so error out */
	if (ent == NULL) {
		bam_error(CANT_FIND_DEFAULT, curdef);
		goto abort;
	}

	/*
	 * We found the proper menu entry, so first we need to process the
	 * bootenv.rc file to look for boot options the hypervisor might need
	 * passed as kernel start options such as the console device and serial
	 * port parameters.
	 *
	 * If there's no bootenv.rc, it's not an issue.
	 */
	parse_bootenvrc(osroot);

	if (bootenv_rc_console != NULL)
		console_metal_to_hyper(bootenv_rc_console);

	if (bootenv_rc_serial[0] != NULL)
		(void) serial_metal_to_hyper("ttya-mode", bootenv_rc_serial[0]);

	if (bootenv_rc_serial[1] != NULL)
		(void) serial_metal_to_hyper("ttyb-mode", bootenv_rc_serial[1]);

	/*
	 * Now process the entry itself.
	 */
	for (lp = ent->start; lp != NULL; lp = lp->next) {
		/*
		 * Process important lines from menu.lst boot entry.
		 */
		if (lp->flags == BAM_TITLE) {
			title = alloca(strlen(lp->arg) + 1);
			(void) strcpy(title, lp->arg);
		} else if (strcmp(lp->cmd, "findroot") == 0) {
			findroot = alloca(strlen(lp->arg) + 1);
			(void) strcpy(findroot, lp->arg);
		} else if (strcmp(lp->cmd, "bootfs") == 0) {
			bootfs = alloca(strlen(lp->arg) + 1);
			(void) strcpy(bootfs, lp->arg);
		} else if (strcmp(lp->cmd, menu_cmds[MODULE_DOLLAR_CMD]) == 0) {
			module = alloca(strlen(lp->arg) + 1);
			(void) strcpy(module, lp->arg);
		} else if ((strcmp(lp->cmd,
		    menu_cmds[KERNEL_DOLLAR_CMD]) == 0) &&
		    (ret = cvt_metal_kernel(lp->arg, &kern_path)) != 0) {
			if (ret < 0) {
				ret = BAM_ERROR;
				bam_error(KERNEL_NOT_PARSEABLE, curdef);
			} else
				ret = BAM_NOCHANGE;

			goto abort;
		}

		if (lp == ent->end)
			break;
	}

	/*
	 * If findroot, module or kern_path are NULL, the boot entry is
	 * malformed.
	 */
	if (findroot == NULL) {
		bam_error(FINDROOT_NOT_FOUND, curdef);
		goto abort;
	}

	if (module == NULL) {
		bam_error(MODULE_NOT_PARSEABLE, curdef);
		goto abort;
	}

	if (kern_path == NULL) {
		bam_error(KERNEL_NOT_FOUND, curdef);
		goto abort;
	}

	/* assemble new kernel and module arguments from parsed values */
	if (console_dev != NULL) {
		kern_bargs = s_strdup(console_dev);

		if (serial_config[0] != NULL) {
			newstr = append_str(kern_bargs, serial_config[0], " ");
			free(kern_bargs);
			kern_bargs = newstr;
		}

		if (serial_config[1] != NULL) {
			newstr = append_str(kern_bargs, serial_config[1], " ");
			free(kern_bargs);
			kern_bargs = newstr;
		}
	}

	if ((extra_args != NULL) && (*extra_args != NULL)) {
		newstr = append_str(kern_bargs, extra_args, " ");
		free(kern_bargs);
		kern_bargs = newstr;
	}

	len = strlen(osroot) + strlen(XEN_MENU) + strlen(kern_bargs) +
	    WHITESPC(1) + 1;

	kernel = alloca(len);

	if (kern_bargs != NULL) {
		if (*kern_bargs != NULL)
			(void) snprintf(kernel, len, "%s%s %s", osroot,
			    XEN_MENU, kern_bargs);

		free(kern_bargs);
	} else {
		(void) snprintf(kernel, len, "%s%s", osroot, XEN_MENU);
	}

	/*
	 * Change the kernel directory from the metal version to that needed for
	 * the hypervisor.  Convert either "direct boot" path to the default
	 * path.
	 */
	if ((strcmp(kern_path, DIRECT_BOOT_32) == 0) ||
	    (strcmp(kern_path, DIRECT_BOOT_64) == 0)) {
		kern_path = HYPERVISOR_KERNEL;
	} else {
		newstr = modify_path(kern_path, METAL_KERNEL_DIR,
		    HYPER_KERNEL_DIR);
		free(kern_path);
		kern_path = newstr;
		kp_allocated = 1;
	}

	/*
	 * We need to allocate space for the kernel path (twice) plus an
	 * intervening space, possibly the ZFS boot string, and NULL,
	 * of course.
	 */
	len = (strlen(kern_path) * 2) + WHITESPC(1) + 1;
	zfslen = (zfs_boot ? (WHITESPC(1) + strlen(ZFS_BOOT)) : 0);

	mod_kernel = alloca(len + zfslen);
	(void) snprintf(mod_kernel, len, "%s %s", kern_path, kern_path);

	if (kp_allocated)
		free(kern_path);

	if (zfs_boot) {
		char *zfsstr = alloca(zfslen + 1);

		(void) snprintf(zfsstr, zfslen + 1, " %s", ZFS_BOOT);
		(void) strcat(mod_kernel, zfsstr);
	}

	/* shut off warning messages from the entry line parser */
	if (ent->flags & BAM_ENTRY_BOOTADM)
		ent->flags &= ~BAM_ENTRY_BOOTADM;

	BAM_DPRINTF((D_CVT_CMD_KERN_DOLLAR, fcn, kernel));
	BAM_DPRINTF((D_CVT_CMD_MOD_DOLLAR, fcn, mod_kernel));

	if ((newdef = add_boot_entry(mp, title, findroot, kernel, mod_kernel,
	    module, bootfs)) == BAM_ERROR)
		return (newdef);

	/*
	 * Now try to delete the current default entry from the menu and add
	 * the new hypervisor entry with the parameters we've setup.
	 */
	if (delete_boot_entry(mp, curdef, DBE_QUIET) == BAM_SUCCESS)
		newdef--;
	else
		bam_print(NEW_BOOT_ENTRY, title);

	/*
	 * If we successfully created the new entry, set the default boot
	 * entry to that entry and let the caller know the new menu should
	 * be written out.
	 */
	return (set_global(mp, menu_cmds[DEFAULT_CMD], newdef));

abort:
	if (ret != BAM_NOCHANGE)
		bam_error(HYPER_ABORT, ((*osroot == NULL) ? "/" : osroot));

	return (ret);
}