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Don't unmount network filesystems in localmount or halt.sh, #175602.

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This commit is contained in:
Roy Marples
2007-07-11 17:27:46 +00:00
parent e778dcbfb0
commit 5257ba51b9
5 changed files with 105 additions and 69 deletions
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150
src/mountinfo.c
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@@ -31,7 +31,8 @@
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined (__OpenBSD__)
static char **find_mounts (regex_t *node_regex, regex_t *fstype_regex,
static char **find_mounts (regex_t *node_regex, regex_t *skip_node_regex,
regex_t *fstype_regex, regex_t *skip_fstype_regex,
char **mounts, bool list_nodes, bool list_fstype)
{
struct statfs *mnts;
@@ -46,9 +47,15 @@ static char **find_mounts (regex_t *node_regex, regex_t *fstype_regex,
if (node_regex &&
regexec (node_regex, mnts[i].f_mntfromname, 0, NULL, 0) != 0)
continue;
if (skip_node_regex &&
regexec (skip_node_regex, mnts[i].f_mntfromname, 0, NULL, 0) == 0)
continue;
if (fstype_regex &&
regexec (fstype_regex, mnts[i].f_fstypename, 0, NULL, 0) != 0)
continue;
if (skip_fstype_regex &&
regexec (skip_fstype_regex, mnts[i].f_fstypename, 0, NULL, 0) == 0)
continue;
if (mounts) {
bool found = false;
@@ -73,7 +80,8 @@ static char **find_mounts (regex_t *node_regex, regex_t *fstype_regex,
}
#elif defined (__linux__)
static char **find_mounts (regex_t *node_regex, regex_t *fstype_regex,
static char **find_mounts (regex_t *node_regex, regex_t *skip_node_regex,
regex_t *fstype_regex, regex_t *skip_fstype_regex,
char **mounts, bool list_nodes, bool list_fstype)
{
FILE *fp;
@@ -93,6 +101,9 @@ static char **find_mounts (regex_t *node_regex, regex_t *fstype_regex,
if (node_regex &&
regexec (node_regex, from, 0, NULL, 0) != 0)
continue;
if (skip_node_regex &&
regexec (skip_node_regex, from, 0, NULL, 0) == 0)
continue;
to = strsep (&p, " ");
fstype = strsep (&p, " ");
@@ -102,6 +113,9 @@ static char **find_mounts (regex_t *node_regex, regex_t *fstype_regex,
if (fstype_regex &&
regexec (fstype_regex, fstype, 0, NULL, 0) != 0)
continue;
if (skip_fstype_regex &&
regexec (skip_fstype_regex, fstype, 0, NULL, 0) == 0)
continue;
if (mounts) {
bool found = false;
@@ -130,15 +144,32 @@ static char **find_mounts (regex_t *node_regex, regex_t *fstype_regex,
# error "Operating system not supported!"
#endif
static regex_t *get_regex (char *string)
{
regex_t *reg = rc_xmalloc (sizeof (regex_t));
int result;
char buffer[256];
if ((result = regcomp (reg, string, REG_EXTENDED | REG_NOSUB)) != 0)
{
regerror (result, reg, buffer, sizeof (buffer));
eerrorx ("%s: invalid regex `%s'", APPLET, buffer);
}
return (reg);
}
#include "_usage.h"
#define getoptstring "F:N:S:fnrV" getoptstring_COMMON
#define getoptstring "f:F:n:N:p:P:os" getoptstring_COMMON
static struct option longopts[] = {
{ "fstype-regex", 1, NULL, 'F'},
{ "node-regex", 1, NULL, 'N'},
{ "skip-regex", 1, NULL, 'S'},
{ "fstype", 0, NULL, 'f'},
{ "node", 0, NULL, 'n'},
{ "reverse", 0, NULL, 'r'},
{ "fstype-regex", 1, NULL, 'f'},
{ "skip-fstype-regex", 1, NULL, 'F'},
{ "node-regex", 1, NULL, 'n'},
{ "skip-node-regex", 1, NULL, 'N'},
{ "point-regex", 1, NULL, 'p'},
{ "skip-point-regex", 1, NULL, 'P'},
{ "list-nodes", 0, NULL, 'o'},
{ "list-fstype", 0, NULL, 's'},
longopts_COMMON
{ NULL, 0, NULL, 0}
};
@@ -149,100 +180,93 @@ int main (int argc, char **argv)
int i;
regex_t *fstype_regex = NULL;
regex_t *node_regex = NULL;
regex_t *skip_regex = NULL;
regex_t *point_regex = NULL;
regex_t *skip_fstype_regex = NULL;
regex_t *skip_node_regex = NULL;
regex_t *skip_point_regex = NULL;
char **nodes = NULL;
char *node;
int result;
char buffer[256];
bool list_nodes = false;
bool list_fstype = false;
bool reverse = false;
char **mounts = NULL;
int opt;
int result;
#define DO_REG(_var) \
if (_var) free (_var); \
_var = get_regex (optarg);
while ((opt = getopt_long (argc, argv, getoptstring,
longopts, (int *) 0)) != -1)
{
switch (opt) {
case 'F':
if (fstype_regex)
free (fstype_regex);
fstype_regex = rc_xmalloc (sizeof (regex_t));
if ((result = regcomp (fstype_regex, optarg,
REG_EXTENDED | REG_NOSUB)) != 0)
{
regerror (result, fstype_regex, buffer, sizeof (buffer));
eerrorx ("%s: invalid regex `%s'", argv[0], buffer);
}
break;
case 'N':
if (node_regex)
free (node_regex);
node_regex = rc_xmalloc (sizeof (regex_t));
if ((result = regcomp (node_regex, optarg,
REG_EXTENDED | REG_NOSUB)) != 0)
{
regerror (result, node_regex, buffer, sizeof (buffer));
eerrorx ("%s: invalid regex `%s'", argv[0], buffer);
}
break;
case 'S':
if (skip_regex)
free (skip_regex);
skip_regex = rc_xmalloc (sizeof (regex_t));
if ((result = regcomp (skip_regex, optarg,
REG_EXTENDED | REG_NOSUB)) != 0)
{
regerror (result, skip_regex, buffer, sizeof (buffer));
eerrorx ("%s: invalid regex `%s'", argv[0], buffer);
}
break;
case 'f':
list_fstype = true;
list_nodes = false;
DO_REG (fstype_regex);
break;
case 'F':
DO_REG (skip_fstype_regex);
break;
case 'n':
DO_REG (node_regex);
break;
case 'N':
DO_REG (skip_node_regex);
break;
case 'p':
DO_REG (point_regex);
break;
case 'P':
DO_REG (skip_point_regex);
break;
case 'o':
list_nodes = true;
list_fstype = false;
break;
case 'r':
reverse = true;
case 's':
list_nodes = false;
list_fstype = true;
break;
case_RC_COMMON_GETOPT
case_RC_COMMON_GETOPT
}
}
while (optind < argc) {
if (argv[optind][0] != '/')
eerrorx ("%s: `%s' is not a mount point", argv[0], argv[optind]);
mounts = rc_strlist_add (mounts, argv[optind++]);
}
nodes = find_mounts (node_regex, fstype_regex, mounts,
list_nodes, list_fstype);
nodes = find_mounts (node_regex, skip_node_regex,
fstype_regex, skip_fstype_regex,
mounts, list_nodes, list_fstype);
if (node_regex)
regfree (node_regex);
if (skip_node_regex)
regfree (skip_node_regex);
if (fstype_regex)
regfree (fstype_regex);
if (skip_fstype_regex)
regfree (skip_fstype_regex);
if (reverse)
rc_strlist_reverse (nodes);
rc_strlist_reverse (nodes);
result = EXIT_FAILURE;
STRLIST_FOREACH (nodes, node, i) {
if (skip_regex && regexec (skip_regex, node, 0, NULL, 0) == 0)
if (point_regex && regexec (point_regex, node, 0, NULL, 0) != 0)
continue;
if (skip_point_regex && regexec (skip_point_regex, node, 0, NULL, 0) == 0)
continue;
printf ("%s\n", node);
result = EXIT_SUCCESS;
}
rc_strlist_free (nodes);
if (skip_regex)
free (skip_regex);
if (point_regex)
regfree (point_regex);
if (skip_point_regex)
regfree (skip_point_regex);
exit (result);
}