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diff -Naurb a/ssmtp.c b/ssmtp.c
--- a/ssmtp.c 2009-11-23 10:55:11.000000000 +0100
+++ b/ssmtp.c 2017-03-25 03:00:26.508283016 +0100
@@ -57,6 +57,7 @@
char arpadate[ARPADATE_LENGTH];
char *auth_user = (char)NULL;
char *auth_pass = (char)NULL;
+char *auth_passfile = (char)NULL;
char *auth_method = (char)NULL; /* Mechanism for SMTP authentication */
char *mail_domain = (char)NULL;
char *from = (char)NULL; /* Use this as the From: address */
@@ -1053,6 +1054,15 @@
log_event(LOG_INFO, "Set AuthPass=\"%s\"\n", auth_pass);
}
}
+ else if(strcasecmp(p, "AuthPassFile") == 0 && !auth_passfile) {
+ if((auth_passfile = strdup(q)) == (char *)NULL) {
+ die("parse_config() -- strdup() failed");
+ }
+
+ if(log_level > 0) {
+ log_event(LOG_INFO, "Set AuthPassFile=\"%s\"\n", auth_passfile);
+ }
+ }
else if(strcasecmp(p, "AuthMethod") == 0 && !auth_method) {
if((auth_method = strdup(q)) == (char *)NULL) {
die("parse_config() -- strdup() failed");
@@ -1415,6 +1425,8 @@
struct passwd *pw;
int i, sock;
uid_t uid;
+ FILE *fp;
+ char pass_buf[BUF_SZ+1];
bool_t minus_v_save, leadingdot, linestart = True;
int timeout = 0;
int bufsize = sizeof(b)-1;
@@ -1433,6 +1445,17 @@
log_event(LOG_INFO, "%s not found", config_file);
}
+ if(auth_passfile != (char *)NULL) {
+ if((fp = fopen(auth_passfile, "r")) == (FILE *)NULL) {
+ die("Could not open the AuthPassFile %s", auth_passfile);
+ }
+ if (fgets(pass_buf, BUF_SZ, fp) == NULL) {
+ die("Error while reading a line from the AuthPassFile %s, or it is empty", auth_passfile);
+ }
+ fclose(fp);
+ auth_pass = strdup(pass_buf);
+ }
+
if((p = strtok(pw->pw_gecos, ";,"))) {
if((gecos = strdup(p)) == (char *)NULL) {
die("ssmtp() -- strdup() failed");
diff -Naurb a/ssmtp.conf.5 b/ssmtp.conf.5
--- a/ssmtp.conf.5 2008-02-29 03:50:15.000000000 +0100
+++ b/ssmtp.conf.5 2017-03-25 01:45:52.890165426 +0100
@@ -61,6 +61,11 @@
.Pp
.It Cm AuthPass
The password to use for SMTP AUTH.
+It is recommended to use AuthPassFile which also takes precedence over AuthPass.
+.Pp
+.It Cm AuthPassFile
+A file that should contain the password to use for SMTP AUTH.
+This takes precedence over AuthPass.
.Pp
.It Cm AuthMethod
The authorization method to use.
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