mirror of
https://github.com/stefanocasazza/ULib.git
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122 lines
4.3 KiB
C++
122 lines
4.3 KiB
C++
// main.cpp
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#include <ulib/ldap/ldap.h>
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#include <ulib/file_config.h>
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#include <ulib/utility/base64.h>
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#undef PACKAGE
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#define PACKAGE "form_completion"
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#undef ARGS
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#define ARGS ""
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#define U_OPTIONS \
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"purpose \"program for form completion...\"\n" \
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"option c config 1 \"path of configuration file\" \"\"\n"
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#include <ulib/application.h>
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class Application : public UApplication {
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public:
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void run(int argc, char* argv[], char* env[])
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{
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U_TRACE(5, "Application::run(%d,%p,%p)", argc, argv, env)
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UApplication::run(argc, argv, env);
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// manage options
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if (UApplication::isOptions()) cfg_str = opt['c'];
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// manage arg operation
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// manage file configuration
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if (cfg_str.empty()) cfg_str = U_STRING_FROM_CONSTANT("form_completion.cfg");
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cfg.UFile::setPath(cfg_str);
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int LDAP_port;
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UString var_env_name, scan_form, LDAP_host, LDAP_searchbase, password, username,
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form_template, LDAP_rootdn, LDAP_rootpw, subject_attr;
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// --------------------------------------------------------------------------------------------------------------
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// configuration parameters
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// --------------------------------------------------------------------------------------------------------------
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// X509_SUBJECT_VARIABLE var environment to elaborate (ex: X509_SUBJECT)
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// X509_SUBJECT_FILTER scanf form to extract data (ex: /C=IT/L=Rome/O=Eraclito/OU=Tac/CN=%[^/]s/Email=%*s)
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// LDAP_SERVER_ADDRESS name ldap host (ex: slessi)
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// LDAP_SERVER_PORT port ldap host (ex: 389)
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// LDAP_SERVER_BASE
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// LDAP_SERVER_ROOTDN bind DN for ldap query data
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// LDAP_SERVER_ROOTPW bind password for ldap query data
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// LDAP_SUBJECT_ATTRIBUTE attribute for query filter
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// LDAP_USER_ATTRIBUTE name user attribute (ex: uid)
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// LDAP_PASSWD_ATTRIBUTE name password attribute (ex: tacPassword)
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// TEMPLATE name form completion to print (ex: ./lms1.templ)
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// --------------------------------------------------------------------------------------------------------------
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var_env_name = cfg[U_STRING_FROM_CONSTANT("X509_SUBJECT_VARIABLE")];
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scan_form = cfg[U_STRING_FROM_CONSTANT("X509_SUBJECT_FILTER")];
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LDAP_host = cfg[U_STRING_FROM_CONSTANT("LDAP_SERVER_ADDRESS")];
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LDAP_searchbase = cfg[U_STRING_FROM_CONSTANT("LDAP_SERVER_BASE")];
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LDAP_rootdn = cfg[U_STRING_FROM_CONSTANT("LDAP_SERVER_ROOTDN")];
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LDAP_rootpw = cfg[U_STRING_FROM_CONSTANT("LDAP_SERVER_ROOTPW")];
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subject_attr = cfg[U_STRING_FROM_CONSTANT("LDAP_SUBJECT_ATTRIBUTE")];
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password = cfg[U_STRING_FROM_CONSTANT("LDAP_PASSWD_ATTRIBUTE")];
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username = cfg[U_STRING_FROM_CONSTANT("LDAP_USER_ATTRIBUTE")];
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form_template = cfg[U_STRING_FROM_CONSTANT("TEMPLATE")];
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LDAP_port = cfg.readLong(U_STRING_FROM_CONSTANT("LDAP_SERVER_PORT"), 389);
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// scanf
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char buf[256];
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const char* value = (const char*) U_SYSCALL(getenv, "%S", var_env_name.c_str());
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int n = U_SYSCALL(sscanf, "%S,%S,%p,%p,%p,%p", value, scan_form.c_str(), &buf[0]);
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if (n != 1) U_ERROR("scanf error on var env <%s>", var_env_name.c_str());
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U_INTERNAL_DUMP("sscanf() result = \"%s\"", buf)
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// login to LDAP
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ULDAP ldap;
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if (ldap.init(LDAP_host.c_str(), (LDAP_port ? LDAP_port : LDAP_PORT)) == false ||
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ldap.set_protocol() == false ||
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ldap.bind(LDAP_rootdn.c_str(), LDAP_rootpw.c_str()) == false)
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{
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U_ERROR("login to LDAP failed");
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}
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// search to LDAP
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char buffer[4096];
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const char* attr_name[] = { username.c_str(), password.c_str(), 0 };
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(void) snprintf(buffer, sizeof(buffer), "%s=%s,%.*s", subject_attr.c_str(), buf, U_STRING_TO_TRACE(LDAP_searchbase));
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n = ldap.search(buffer, LDAP_SCOPE_BASE, (char**)attr_name);
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if (n != 1) U_ERROR("search error on ldap");
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ULDAPEntry entry(2, attr_name, 1);
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ldap.get(entry);
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const char* sname = entry.getCStr(0);
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const char* spassword = entry.getCStr(1);
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// write to stdout
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(void) U_SYSCALL(printf, "%S,%S,%S", UFile::contentOf(form_template).data(), sname, spassword);
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}
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private:
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UFileConfig cfg;
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UString data, cfg_str;
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};
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U_MAIN
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