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autofs-5.1.3 - refactor amd_parse.c
From: Ian Kent <raven@themaw.net>
Refactor some blocks of code into functions to allow later reuse.
Signed-off-by: Ian Kent <raven@themaw.net>
---
CHANGELOG | 1
modules/amd_parse.y | 293 ++++++++++++++++++++++++++++++++++------------------
2 files changed, 197 insertions(+), 97 deletions(-)
--- autofs-5.0.7.orig/CHANGELOG
+++ autofs-5.0.7/CHANGELOG
@@ -273,6 +273,7 @@
- fix symlink false negative in umount_multi().
- remove expand_selectors() on amd parser entry.
- fix amd defaults map entry handling.
+- refactor amd_parse.c.
25/07/2012 autofs-5.0.7
=======================
--- autofs-5.0.7.orig/modules/amd_parse.y
+++ autofs-5.0.7/modules/amd_parse.y
@@ -55,6 +55,11 @@ static int make_selector(char *name,
unsigned int compare);
static void add_selector(struct selector *selector);
+static int match_map_option_fs_type(char *map_option, char *type);
+static int match_map_option_map_type(char *map_option, char *type);
+static int match_map_option_cache_option(char *type);
+static int match_mnt_option_options(char *mnt_option, char *options);
+
static struct amd_entry entry;
static struct list_head *entries;
static struct autofs_point *pap;
@@ -253,86 +258,13 @@ selection: SELECTOR IS_EQUAL SELECTOR_VA
option_assignment: MAP_OPTION OPTION_ASSIGN FS_TYPE
{
- if (!strcmp($3, "auto")) {
- entry.flags |= AMD_MOUNT_TYPE_AUTO;
- entry.type = amd_strdup($3);
- } else if (!strcmp($3, "nfs") ||
- !strcmp($3, "nfs4")) {
- entry.flags |= AMD_MOUNT_TYPE_NFS;
- entry.type = amd_strdup($3);
- } else if (!strcmp($3, "nfsl")) {
- entry.flags |= AMD_MOUNT_TYPE_NFSL;
- entry.type = amd_strdup($3);
- } else if (!strcmp($3, "link")) {
- entry.flags |= AMD_MOUNT_TYPE_LINK;
- entry.type = amd_strdup($3);
- } else if (!strcmp($3, "linkx")) {
- entry.flags |= AMD_MOUNT_TYPE_LINKX;
- entry.type = amd_strdup($3);
- } else if (!strcmp($3, "host")) {
- entry.flags |= AMD_MOUNT_TYPE_HOST;
- entry.type = amd_strdup($3);
- } else if (!strcmp($3, "lofs")) {
- entry.flags |= AMD_MOUNT_TYPE_LOFS;
- entry.type = amd_strdup("bind");
- } else if (!strcmp($3, "xfs")) {
- entry.flags |= AMD_MOUNT_TYPE_XFS;
- entry.type = amd_strdup($3);
- } else if (!strcmp($3, "ext2") ||
- !strcmp($3, "ext3") ||
- !strcmp($3, "ext4")) {
- entry.flags |= AMD_MOUNT_TYPE_EXT;
- entry.type = amd_strdup($3);
- } else if (!strcmp($3, "ufs")) {
- entry.flags |= AMD_MOUNT_TYPE_UFS;
- entry.type = conf_amd_get_linux_ufs_mount_type();
- } else if (!strcmp($3, "cdfs")) {
- entry.flags |= AMD_MOUNT_TYPE_CDFS;
- entry.type = amd_strdup("iso9660");
- } else if (!strcmp($3, "jfs") ||
- !strcmp($3, "nfsx") ||
- !strcmp($3, "program") ||
- !strcmp($3, "lustre") ||
- !strcmp($3, "direct")) {
- sprintf(msg_buf, "file system type %s is "
- "not yet implemented", $3);
- amd_msg(msg_buf);
- YYABORT;
- } else if (!strcmp($3, "cachefs")) {
- sprintf(msg_buf, "file system %s is not "
- "supported by autofs, ignored", $3);
- amd_msg(msg_buf);
- } else {
- amd_notify($1);
+ if (!match_map_option_fs_type($1, $3))
YYABORT;
- }
}
| MAP_OPTION OPTION_ASSIGN MAP_TYPE
{
- if (!strcmp($3, "file") ||
- !strcmp($3, "nis") ||
- !strcmp($3, "nisplus") ||
- !strcmp($3, "ldap") ||
- !strcmp($3, "hesiod"))
- entry.map_type = amd_strdup($3);
- else if (!strcmp($3, "exec"))
- /* autofs uses "program" for "exec" map type */
- entry.map_type = amd_strdup("program");
- else if (!strcmp($3, "passwd")) {
- sprintf(msg_buf, "map type %s is "
- "not yet implemented", $3);
- amd_msg(msg_buf);
- YYABORT;
- } else if (!strcmp($3, "ndbm") ||
- !strcmp($3, "union")) {
- sprintf(msg_buf, "map type %s is not "
- "supported by autofs", $3);
- amd_msg(msg_buf);
+ if (!match_map_option_map_type($1, $3))
YYABORT;
- } else {
- amd_notify($1);
- YYABORT;
- }
}
| MAP_OPTION OPTION_ASSIGN FS_OPT_VALUE
{
@@ -397,13 +329,7 @@ option_assignment: MAP_OPTION OPTION_ASS
}
| MNT_OPTION OPTION_ASSIGN options
{
- if (!strcmp($1, "opts"))
- entry.opts = amd_strdup(opts);
- else if (!strcmp($1, "addopts"))
- entry.addopts = amd_strdup(opts);
- else if (!strcmp($1, "remopts"))
- entry.remopts = amd_strdup(opts);
- else {
+ if (!match_mnt_option_options($1, $3)) {
amd_notify($1);
YYABORT;
}
@@ -412,27 +338,20 @@ option_assignment: MAP_OPTION OPTION_ASS
| MNT_OPTION OPTION_ASSIGN
{
memset(opts, 0, sizeof(opts));
- if (!strcmp($1, "opts"))
- entry.opts = amd_strdup("");
- else if (!strcmp($1, "addopts"))
- entry.addopts = amd_strdup("");
- else if (!strcmp($1, "remopts"))
- entry.remopts = amd_strdup("");
- else {
+ if (!match_mnt_option_options($1, "")) {
amd_notify($1);
YYABORT;
}
}
| MAP_OPTION OPTION_ASSIGN CACHE_OPTION
{
- if (strncmp($3, "inc", 3))
- entry.cache_opts = AMD_CACHE_OPTION_INC;
- else if (strncmp($3, "all", 3))
- entry.cache_opts = AMD_CACHE_OPTION_ALL;
- else if (strncmp($3, "re", 2))
- entry.cache_opts = AMD_CACHE_OPTION_REGEXP;
- if (strstr($3, "sync"))
- entry.cache_opts |= AMD_CACHE_OPTION_SYNC;
+ if (!strcmp($1, "cache")) {
+ if (!match_map_option_cache_option($3))
+ YYABORT;
+ } else {
+ amd_notify($1);
+ YYABORT;
+ }
}
;
@@ -478,6 +397,186 @@ options: OPTION
%%
+static int match_map_option_fs_type(char *map_option, char *type)
+{
+ char *fs_type;
+
+ fs_type = amd_strdup(type);
+ if (!fs_type) {
+ amd_notify(type);
+ return 0;
+ }
+
+ if (!strcmp(fs_type, "auto")) {
+ entry.flags |= AMD_MOUNT_TYPE_AUTO;
+ entry.type = fs_type;
+ } else if (!strcmp(fs_type, "nfs") ||
+ !strcmp(fs_type, "nfs4")) {
+ entry.flags |= AMD_MOUNT_TYPE_NFS;
+ entry.type = fs_type;
+ } else if (!strcmp(fs_type, "nfsl")) {
+ entry.flags |= AMD_MOUNT_TYPE_NFSL;
+ entry.type = fs_type;
+ } else if (!strcmp(fs_type, "link")) {
+ entry.flags |= AMD_MOUNT_TYPE_LINK;
+ entry.type = fs_type;
+ } else if (!strcmp(fs_type, "linkx")) {
+ entry.flags |= AMD_MOUNT_TYPE_LINKX;
+ entry.type = fs_type;
+ } else if (!strcmp(fs_type, "host")) {
+ entry.flags |= AMD_MOUNT_TYPE_HOST;
+ entry.type = fs_type;
+ } else if (!strcmp(fs_type, "lofs")) {
+ entry.flags |= AMD_MOUNT_TYPE_LOFS;
+ entry.type = fs_type;
+ } else if (!strcmp(fs_type, "xfs")) {
+ entry.flags |= AMD_MOUNT_TYPE_XFS;
+ entry.type = fs_type;
+ } else if (!strcmp(fs_type, "ext2") ||
+ !strcmp(fs_type, "ext3") ||
+ !strcmp(fs_type, "ext4")) {
+ entry.flags |= AMD_MOUNT_TYPE_EXT;
+ entry.type = fs_type;
+ } else if (!strcmp(fs_type, "ufs")) {
+ entry.flags |= AMD_MOUNT_TYPE_UFS;
+ entry.type = conf_amd_get_linux_ufs_mount_type();
+ if (!entry.type) {
+ amd_msg("memory allocation error");
+ amd_notify(type);
+ free(fs_type);
+ return 0;
+ }
+ free(fs_type);
+ } else if (!strcmp(fs_type, "cdfs")) {
+ entry.flags |= AMD_MOUNT_TYPE_CDFS;
+ entry.type = amd_strdup("iso9660");
+ if (!entry.type) {
+ amd_msg("memory allocation error");
+ amd_notify(map_option);
+ free(fs_type);
+ return 0;
+ }
+ free(fs_type);
+ } else if (!strcmp(fs_type, "jfs") ||
+ !strcmp(fs_type, "nfsx") ||
+ !strcmp(fs_type, "program") ||
+ !strcmp(fs_type, "lustre") ||
+ !strcmp(fs_type, "direct")) {
+ sprintf(msg_buf, "file system type %s is "
+ "not yet implemented", fs_type);
+ amd_msg(msg_buf);
+ free(fs_type);
+ return 0;
+ } else if (!strcmp(fs_type, "cachefs")) {
+ sprintf(msg_buf, "file system %s is not "
+ "supported by autofs, ignored",
+ fs_type);
+ amd_msg(msg_buf);
+ free(fs_type);
+ } else {
+ amd_notify(fs_type);
+ free(fs_type);
+ return 0;
+ }
+
+ return 1;
+}
+
+static int match_map_option_map_type(char *map_option, char *type)
+{
+ char *map_type;
+
+ map_type = amd_strdup(type);
+ if (!map_type) {
+ amd_notify(type);
+ return 0;
+ }
+
+ if (!strcmp(map_type, "file") ||
+ !strcmp(map_type, "nis") ||
+ !strcmp(map_type, "nisplus") ||
+ !strcmp(map_type, "ldap") ||
+ !strcmp(map_type, "hesiod")) {
+ entry.map_type = map_type;
+ } else if (!strcmp(map_type, "exec")) {
+ /* autofs uses "program" for "exec" map type */
+ entry.map_type = amd_strdup("program");
+ if (!entry.map_type) {
+ amd_notify(type);
+ free(map_type);
+ return 0;
+ }
+ free(map_type);
+ } else if (!strcmp(map_type, "passwd")) {
+ sprintf(msg_buf, "map type %s is "
+ "not yet implemented", map_type);
+ amd_msg(msg_buf);
+ free(map_type);
+ return 0;
+ } else if (!strcmp(map_type, "ndbm") ||
+ !strcmp(map_type, "union")) {
+ sprintf(msg_buf, "map type %s is not "
+ "supported by autofs", map_type);
+ amd_msg(msg_buf);
+ free(map_type);
+ return 0;
+ } else {
+ amd_notify(type);
+ free(map_type);
+ return 0;
+ }
+
+ return 1;
+}
+
+static int match_map_option_cache_option(char *type)
+{
+ char *cache_opt;
+
+ cache_opt = amd_strdup(type);
+ if (!cache_opt) {
+ amd_notify(type);
+ return 0;
+ }
+
+ if (strncmp(cache_opt, "inc", 3))
+ entry.cache_opts = AMD_CACHE_OPTION_INC;
+ else if (strncmp(cache_opt, "all", 3))
+ entry.cache_opts = AMD_CACHE_OPTION_ALL;
+ else if (strncmp(cache_opt, "re", 2))
+ entry.cache_opts = AMD_CACHE_OPTION_REGEXP;
+ if (strstr(cache_opt, "sync"))
+ entry.cache_opts |= AMD_CACHE_OPTION_SYNC;
+ free(cache_opt);
+
+ return 1;
+}
+
+static int match_mnt_option_options(char *mnt_option, char *options)
+{
+ char *tmp;
+
+ if (!strcmp(mnt_option, "opts")) {
+ tmp = amd_strdup(options);
+ if (!tmp)
+ return 0;
+ entry.opts = tmp;
+ } else if (!strcmp(mnt_option, "addopts")) {
+ tmp = amd_strdup(options);
+ if (!tmp)
+ return 0;
+ entry.addopts = tmp;
+ } else if (!strcmp(mnt_option, "remopts")) {
+ tmp = amd_strdup(options);
+ if (!tmp)
+ return 0;
+ entry.remopts = tmp;
+ } else
+ return 0;
+
+ return 1;
+}
+
static void prepend_opt(char *dest, char *opt)
{
char new[MAX_OPTS_LEN];