Replace PAM converse with email

Sends the user an email via SMTP,
instead of interactive converse.

Closes: CyberNinjas/pam_aad#24

Dockerfile

@@ -10,7 +10,8 @@ RUN apt update && apt install -y \
         libpam0g-dev \
         libssl-dev \
         libtool \
-        pkg-config
+        pkg-config \
+        uuid-dev
 
 WORKDIR /tmp
 RUN git clone https://github.com/benmcollins/libjwt && \

Makefile.am

@@ -10,7 +10,7 @@ libdir = $(PAMDIR)
 lib_LTLIBRARIES= pam_aad.la
 
 pam_aad_la_SOURCES = src/pam_aad.c
-pam_aad_la_LIBADD = -lcurl -ljansson -ljwt -lpam -lsds
+pam_aad_la_LIBADD = -lcurl -ljansson -ljwt -lpam -lsds -luuid
 pam_aad_la_CFLAGS = $(AM_CFLAGS)
 pam_aad_la_LDFLAGS = $(AM_LDFLAGS) $(MODULES_LDFLAGS) -export-symbols-regex "^pam_sm_"
 

README.md

@@ -28,10 +28,14 @@ Create the file ```/etc/pam_aad.conf``` and fill it with:
 ```mustache
 { 
   "client": {
-      "id": "{{client_id}}"
-   },
-   "domain": "{{domain}}",
-   "tenant": "{{organization}}.onmicrosoft.com>"
+    "id": "{{client_id}}"
+  },
+  "domain": "{{domain}}",
+  "tenant": {
+    "name": "{{organization}}.onmicrosoft.com",
+    "address": "{{organization_email_address}}"
+  },
+  "smtp_server": "{{smtp_server}}"
 }
 ```