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autofs-5.1.0-beta1 - fix hash on confg option add and delete
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From: Ian Kent <raven@themaw.net>
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The hash calculation needs to be the same for upper and lower case config
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options. The config entry add and delete functions weren't doing that.
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---
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CHANGELOG | 1 +
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lib/defaults.c | 40 ++++++++++++++++++++++------------------
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2 files changed, 23 insertions(+), 18 deletions(-)
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--- autofs-5.0.7.orig/CHANGELOG
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+++ autofs-5.0.7/CHANGELOG
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@@ -120,6 +120,7 @@
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- fix expire when server not responding.
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- fix ldap_uri config update.
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- fix typo in conf_load_autofs_defaults().
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+- fix hash on confg option add and delete.
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25/07/2012 autofs-5.0.7
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=======================
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--- autofs-5.0.7.orig/lib/defaults.c
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+++ autofs-5.0.7/lib/defaults.c
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@@ -524,12 +524,24 @@ error:
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return 0;
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}
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+static u_int32_t get_hash(const char *key, unsigned int size)
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+{
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+ const char *pkey = key;
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+ char lkey[PATH_MAX + 1];
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+ char *plkey = &lkey[0];
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+
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+ while (*pkey)
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+ *plkey++ = tolower(*pkey++);
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+ *plkey = '\0';
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+ return hash(lkey, size);
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+}
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+
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static int conf_add(const char *section, const char *key, const char *value, unsigned long flags)
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{
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struct conf_option *co;
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char *sec, *name, *val, *tmp;
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unsigned int size = CFG_TABLE_SIZE;
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- u_int32_t index;
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+ u_int32_t key_hash;
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int ret = CFG_FAIL;
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sec = name = val = tmp = NULL;
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@@ -568,12 +580,12 @@ static int conf_add(const char *section,
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if (flags & CONF_ENV && value)
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setenv(name, value, 0);
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- index = hash(key, size);
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- if (!config->hash[index])
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- config->hash[index] = co;
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+ key_hash = get_hash(key, size);
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+ if (!config->hash[key_hash])
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+ config->hash[key_hash] = co;
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else {
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struct conf_option *last = NULL, *next;
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- next = config->hash[index];
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+ next = config->hash[key_hash];
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while (next) {
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last = next;
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next = last->next;
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@@ -598,9 +610,11 @@ static void conf_delete(const char *sect
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{
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struct conf_option *co, *last;
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unsigned int size = CFG_TABLE_SIZE;
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+ u_int32_t key_hash;
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last = NULL;
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- for (co = config->hash[hash(key, size)]; co != NULL; co = co->next) {
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+ key_hash = get_hash(key, size);
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+ for (co = config->hash[key_hash]; co != NULL; co = co->next) {
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if (strcasecmp(section, co->section))
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continue;
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if (!strcasecmp(key, co->name))
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@@ -613,6 +627,8 @@ static void conf_delete(const char *sect
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if (last)
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last->next = co->next;
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+ else
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+ config->hash[key_hash] = co->next;
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free(co->section);
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free(co->name);
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@@ -661,18 +677,6 @@ error:
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return ret;
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}
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-static u_int32_t get_hash(const char *key, unsigned int size)
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-{
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- const char *pkey = key;
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- char lkey[PATH_MAX + 1];
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- char *plkey = &lkey[0];
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-
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- while (*pkey)
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- *plkey++ = tolower(*pkey++);
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- *plkey = '\0';
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- return hash(lkey, size);
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-}
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-
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static struct conf_option *conf_lookup_key(const char *section, const char *key)
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{
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struct conf_option *co;
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