Add hook environment variables

Closes #83

docs/uacme.html

@@ -1306,6 +1306,38 @@ <h2 id="_environment">ENVIRONMENT</h2>
 </div>
 </div>
 <div class="sect1">
+<h2 id="_hook_environment">HOOK ENVIRONMENT</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>The following environment variables are exported for use by the hook program:</p></div>
+<div class="dlist"><dl>
+<dt class="hdlist1">
+<strong>UACME_CONFDIR</strong>
+</dt>
+<dd>
+<p>
+    Path to <em>CONFDIR</em>, see <strong>-c, --confdir</strong>
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>UACME_VERBOSE</strong>
+</dt>
+<dd>
+<p>
+    Verbosity, see <strong>-v, --verbose</strong>
+</p>
+</dd>
+<dt class="hdlist1">
+<strong>UACME_METHOD</strong>, <strong>UACME_TYPE</strong>, <strong>UACME_IDENT</strong>, <strong>UACME_TOKEN</strong>, <strong>UACME_AUTH</strong>
+</dt>
+<dd>
+<p>
+    Copies of the hook program arguments, see <strong>-h, --hook</strong>
+</p>
+</dd>
+</dl></div>
+</div>
+</div>
+<div class="sect1">
 <h2 id="_exit_status">EXIT STATUS</h2>
 <div class="sectionbody">
 <div class="dlist"><dl>
@@ -1442,7 +1474,7 @@ <h2 id="_copyright">COPYRIGHT</h2>
 <div id="footer-text">
 Version 1.7.5<br>
 Last updated
- 2024-12-29 11:22:08 CET
+ 2024-12-29 17:04:25 CET
 </div>
 </div>
 </body>

uacme.1

@@ -450,6 +450,28 @@ Interface name and IP address or hostname
 String holding the proxy hostname or dotted numerical IP address\&. A numerical IPv6 address must be written within [brackets]\&. To specify port number in this string, append :[port] to the end of the host name\&. If not specified, default to using port 1080\&. The proxy string may be prefixed with [scheme]:// to specify which kind of proxy is used (http://, https://, socks4://, socks4a://, socks5://, socks5h://)\&. The proxy can also be specified with its associated credentials like for ordinary URLs in the style:
 \fIscheme://username:password@hostname\fR
 .RE
+.SH "HOOK ENVIRONMENT"
+.sp
+The following environment variables are exported for use by the hook program:
+.PP
+\fBUACME_CONFDIR\fR
+.RS 4
+Path to
+\fICONFDIR\fR, see
+\fB\-c, \-\-confdir\fR
+.RE
+.PP
+\fBUACME_VERBOSE\fR
+.RS 4
+Verbosity, see
+\fB\-v, \-\-verbose\fR
+.RE
+.PP
+\fBUACME_METHOD\fR, \fBUACME_TYPE\fR, \fBUACME_IDENT\fR, \fBUACME_TOKEN\fR, \fBUACME_AUTH\fR
+.RS 4
+Copies of the hook program arguments, see
+\fB\-h, \-\-hook\fR
+.RE
 .SH "EXIT STATUS"
 .PP
 \fB0\fR

uacme.1.txt

@@ -285,6 +285,20 @@ ENVIRONMENT
     for ordinary URLs in the style: 'scheme://username:password@hostname'
 
 
+HOOK ENVIRONMENT
+----------------
+The following environment variables are exported for use by the hook program:
+
+*UACME_CONFDIR*::
+    Path to 'CONFDIR', see *-c, --confdir*
+
+*UACME_VERBOSE*::
+    Verbosity, see *-v, --verbose*
+
+*UACME_METHOD*, *UACME_TYPE*, *UACME_IDENT*, *UACME_TOKEN*, *UACME_AUTH*::
+    Copies of the hook program arguments, see *-h, --hook*
+
+
 EXIT STATUS
 -----------
 *0*::

uacme.c

@@ -295,6 +295,11 @@ int hook_run(const char *prog, const char *method, const char *type,
         else
             warnx("hook_run: %s terminated abnormally", prog);
     } else { // child
+        setenv("UACME_METHOD", method, 1);
+        setenv("UACME_TYPE", type, 1);
+        setenv("UACME_IDENT", ident, 1);
+        setenv("UACME_TOKEN", token, 1);
+        setenv("UACME_AUTH", auth, 1);
         if (execl(prog, prog, method, type, ident, token, auth,
                     (char *)NULL) < 0) {
             warn("hook_run: failed to execute %s", prog);
@@ -1696,6 +1701,10 @@ int main(int argc, char **argv)
     } else
         msg(1, "version " PACKAGE_VERSION " starting on %s", buf);
 
+    snprintf(buf, sizeof(buf), "%d", g_loglevel);
+    setenv("UACME_VERBOSE", buf, 1);
+    setenv("UACME_CONFDIR", confdir, 1);
+
     if (a.hook && access(a.hook, R_OK | X_OK) < 0) {
         warn("%s", a.hook);
         goto out;