Hello! I use: * Debian GNU/Linux (stretch) * apache (2.4.25) * libapr1 (1.5.2) * https://httpd.apache.org/docs/2.4/developer/modguide.html Preliminary: I want to write an apache module. But first I want a kind of info page. To see how to use apache, apr, how to get and set data, ..., and to practice how to programm using C. So I use (step by step) the elements of struct 'request_rec' to output the data of each of its elements. Now, I see that struct 'htaccess_result' contains the elements 'dir', 'override', 'override_opts', 'override_list', 'htaccess' and 'next'. For how to use each element I search the apache source code for useful examples. But now I am stuck with the element 'override_list'. The Problem(s): 'override_list' always equals 'NULL'. The Question(s): What is necessary to do so 'override_list' doesn't equal 'NULL'? Do you know of a programming example somewhere online? My Guess: I searched the apache source code for an enlightening example but I haven't found any solution yet. I guess that at the moment my function 'printApRHtaccess' is called 'override_list' doesn't contain at this moment any data. And thus it contains 'NULL', And I have to do something before 'printApRHtaccess' is called so 'override_list' contains any data. I haven't found an example online yet. My function 'printApRHtaccess' is at the moment: # # char * string = printApRHtaccess(request, request->htaccess) #char * printApRHtaccess(request_rec * request, const struct htaccess_result * htaccess)
{
struct htaccess_result * cache = NULL;
char * dir = NULL;
int override = 0;
int override_opts = 0;
apr_table_t * override_list = NULL;
struct ap_conf_vector_t * _htaccess = NULL;
char * string = "";
int first = 1;
const apr_array_header_t * fields = NULL;
int count = 0;
apr_table_entry_t * elements = NULL;
int index = 0;
for (cache = (struct htaccess_result *) htaccess; cache != NULL;
cache = (struct htaccess_result *) cache->next)
{
dir = (char *) cache->dir;
override = cache->override;
override_opts = cache->override_opts;
override_list = cache->override_list;
_htaccess = cache->htaccess;
if (NULL != cache)
{
string = apr_pstrcat(request->pool, string,
apr_psprintf(request->pool, "dir = \"%s\"", dir), ", ", NULL);
string = apr_pstrcat(request->pool, string, apr_psprintf(request->pool, "override = \"%i\" (", override), NULL);
first = 1;
if (override & OR_NONE)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OR_NONE"), NULL);
first = 0;
}
if (override & OR_LIMIT)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OR_LIMIT"), NULL);
first = 0;
}
if (override & OR_OPTIONS)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OR_OPTIONS"), NULL);
first = 0;
}
if (override & OR_FILEINFO)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OR_FILEINFO"), NULL);
first = 0;
}
if (override & OR_AUTHCFG)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OR_AUTHCFG"), NULL);
first = 0;
}
if (override & OR_INDEXES)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OR_INDEXES"), NULL);
first = 0;
}
if (override & OR_UNSET)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OR_UNSET"), NULL);
first = 0;
}
if (override & ACCESS_CONF)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "ACCESS_CONF"), NULL);
first = 0;
}
if (override & RSRC_CONF)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "RSRC_CONF"), NULL);
first = 0;
}
if (override & EXEC_ON_READ)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "EXEC_ON_READ"), NULL);
first = 0; } string = apr_pstrcat(request->pool, string, "), ", NULL);string = apr_pstrcat(request->pool, string, apr_psprintf(request->pool, "override_opts = \"%i\" (", override_opts), NULL);
first = 1;
if (override_opts & OPT_NONE)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OPT_NONE"), NULL);
first = 0;
}
if (override_opts & OPT_INDEXES)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OPT_INDEXES"), NULL);
first = 0;
}
if (override_opts & OPT_INCLUDES)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OPT_INCLUDES"), NULL);
first = 0;
}
if (override_opts & OPT_SYM_LINKS)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OPT_SYM_LINKS"), NULL);
first = 0;
}
if (override_opts & OPT_EXECCGI)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OPT_EXECCGI"), NULL);
first = 0;
}
if (override_opts & OPT_UNSET)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OPT_UNSET"), NULL);
first = 0;
}
if (override_opts & OPT_INC_WITH_EXEC)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OPT_INC_WITH_EXEC"), NULL);
first = 0;
}
if (override_opts & OPT_SYM_OWNER)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OPT_SYM_OWNER"), NULL);
first = 0;
}
if (override_opts & OPT_MULTI)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OPT_MULTI"), NULL);
first = 0;
}
if (override_opts & OPT_ALL)
{
string = apr_pstrcat(request->pool, string, (first) ? "" : ",
", apr_psprintf(request->pool, "%s", "OPT_ALL"), NULL);
first = 0;
}
string = apr_pstrcat(request->pool, string, "), ", NULL);
if (NULL != override_list)
{
string = apr_pstrcat(request->pool, string,
apr_psprintf(request->pool, "%s", "(1:override_list:yes)"), NULL);
apr_table_do(doApRHtaccess, request, request->htaccess->override_list, NULL);
}
else
{
string = apr_pstrcat(request->pool, string,
apr_psprintf(request->pool, "%s", "(1:override_list:no)"), NULL);
}
if (NULL != override_list)
//if (! apr_is_empty_table(override_list))
{
fields = apr_table_elts(override_list);
//if (! apr_is_empty_array(fields))
//{
string = apr_pstrcat(request->pool, string,
apr_psprintf(request->pool, "%s", "(2:override_list:yes)"), NULL);
count = fields->nelts;
elements = (apr_table_entry_t *) fields->elts;
for (index = 0; index < count; index++)
{
string = apr_pstrcat(request->pool, string,
apr_psprintf(request->pool, "(key=%s/value=%s)", elements[index].key,
elements[index].val), NULL);
}
//}
}
else
{
string = apr_pstrcat(request->pool, string,
apr_psprintf(request->pool, "%s", "(2:override_list:no)"), NULL);
} } } return string; } As output in 'string' I get: dir = "/var/www/html/mod_ecl/test.ecl/", override = "31" (OR_LIMIT, OR_OPTIONS, OR_FILEINFO, OR_AUTHCFG, OR_INDEXES),override_opts = "255" (OPT_INDEXES, OPT_INCLUDES, OPT_SYM_LINKS, OPT_EXECCGI, OPT_UNSET, OPT_INC_WITH_EXEC, OPT_SYM_OWNER, OPT_MULTI, OPT_ALL),
(1:override_list:no) (2:override_list:no) dir = "/var/www/html/mod_ecl/", override = "31" (OR_LIMIT, OR_OPTIONS, OR_FILEINFO, OR_AUTHCFG, OR_INDEXES),override_opts = "255" (OPT_INDEXES, OPT_INCLUDES, OPT_SYM_LINKS, OPT_EXECCGI, OPT_UNSET, OPT_INC_WITH_EXEC, OPT_SYM_OWNER, OPT_MULTI, OPT_ALL),
(1:override_list:no)
(2:override_list:no)
In '/etc/apache2/sites-available/default-ssl.conf' is:
# other content above ...
# there is no <Directory /var/www/html/> ... </Directory>
<Directory /var/www/html/mod_ecl/>
AllowOverride ALL
AllowOverrideList Rewrite RewriteEngine RewriteRule RewriteCond
</Directory>
# ... other content below
In '/var/www/html/mod_ecl/.htaccess' I added this to see If there
is any data in 'override_list':
RewriteEngine On
RewriteCond %{HTTP_HOST} ^www\.(.*)\.name-of-domain\.de$ [NC]
RewriteRule ^(.*)$ http://%1.name-of-domai.com/$1 [R=301,L]
There is no '/var/www/html/.htaccess'.
The url is:
https://localhost.localdomain/mod_ecl/test.ecl
Thanks for your help.
Ralf
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