File xephem-3.7.7_openssl_v2.patch of Package xephem

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File xephem-3.7.7_openssl_v2.patch of Package xephem (Revision 938a7dccf9ac4f98a9103fea1258c0bb)

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diff -burNE xephem-3.7.7/GUI/xephem/auxil/mpcorb2edb.pl xephem-3.7.7-patched/GUI/xephem/auxil/mpcorb2edb.pl
--- xephem-3.7.7/GUI/xephem/auxil/mpcorb2edb.pl	2014-07-11 04:46:35.000000000 +0200
+++ xephem-3.7.7-patched/GUI/xephem/auxil/mpcorb2edb.pl	2020-07-08 11:03:39.907891711 +0200
@@ -78,7 +78,7 @@
 # setup cutoff mag
 my $dimmag = 13;			# dimmest mag to be saved in "bright" file
 # set site and file in case of -f
-my $MPCSITE = "http://www.minorplanetcenter.net";
+my $MPCSITE = "https://www.minorplanetcenter.net";
 my $MPCFTPDIR = "/iau/MPCORB";
 my $MPCFILE = "MPCORB.DAT";
 my $MPCZIPFILE = "MPCORB.DAT.gz";
diff -burNE xephem-3.7.7/GUI/xephem/fallbacks.c xephem-3.7.7-patched/GUI/xephem/fallbacks.c
--- xephem-3.7.7/GUI/xephem/fallbacks.c	2015-04-09 02:20:19.000000000 +0200
+++ xephem-3.7.7-patched/GUI/xephem/fallbacks.c	2020-07-08 11:03:39.911891537 +0200
@@ -747,10 +747,10 @@
     "XEphem*WebDB*URL1.value: http://celestrak.com/NORAD/elements/science.txt",
     "XEphem*WebDB*URL2.value: http://celestrak.com/NORAD/elements/tle-new.txt",
     "XEphem*WebDB*URL3.value: http://celestrak.com/NORAD/elements/amateur.txt",
-    "XEphem*WebDB*URL4.value: http://www.minorplanetcenter.org/iau/Ephemerides/Comets/Soft03Cmt.txt",
-    "XEphem*WebDB*URL5.value: http://www.minorplanetcenter.org/iau/Ephemerides/CritList/Soft03CritList.txt",
-    "XEphem*WebDB*URL6.value: http://www.minorplanetcenter.org/iau/Ephemerides/Distant/Soft03Distant.txt",
-    "XEphem*WebDB*URL7.value: http://www.minorplanetcenter.org/iau/Ephemerides/Unusual/Soft03Unusual.txt",
+    "XEphem*WebDB*URL4.value: https://www.minorplanetcenter.org/iau/Ephemerides/Comets/Soft03Cmt.txt",
+    "XEphem*WebDB*URL5.value: https://www.minorplanetcenter.org/iau/Ephemerides/CritList/Soft03CritList.txt",
+    "XEphem*WebDB*URL6.value: https://www.minorplanetcenter.org/iau/Ephemerides/Distant/Soft03Distant.txt",
+    "XEphem*WebDB*URL7.value: https://www.minorplanetcenter.org/iau/Ephemerides/Unusual/Soft03Unusual.txt",
     "XEphem*WebDB.x: 200",
     "XEphem*WebDB.y: 200",
     "XEphem*WeekStart.Monday.set: False",
diff -burNE xephem-3.7.7/GUI/xephem/net.h xephem-3.7.7-patched/GUI/xephem/net.h
--- xephem-3.7.7/GUI/xephem/net.h	2005-03-20 12:04:50.000000000 +0100
+++ xephem-3.7.7-patched/GUI/xephem/net.h	2020-07-08 11:03:39.923891015 +0200
@@ -20,6 +20,13 @@
 #include <sys/select.h>
 #endif
 
+#include <openssl/ssl.h>
+
+typedef struct {
+	int fd;		//file desciptor for the underlying connection socket
+	SSL *ssl;	//ssl connection for use with SSL_read( )and SSL_write()
+} XE_SSL_FD;
+
 /* support functions */
 
 extern int httpGET (char *host, char *GETcmd, char msg[]);
@@ -29,8 +36,11 @@
 extern int recvline (int fd, char buf[], int max);
 extern int recvlineb (int sock, char *buf, int size);
 extern int sendbytes (int fd, unsigned char buf[], int n);
-
-
+extern int httpsGET (char *host, char *GETcmd, char msg[], XE_SSL_FD *ssl_fd);
+extern int ssl_recvbytes (XE_SSL_FD *ssl_fd, unsigned char buf[], int n);
+extern int ssl_readbytes (XE_SSL_FD *ssl_fd, unsigned char buf[], int n);
+extern int ssl_recvline (XE_SSL_FD *ssl_fd, char buf[], int max);
+extern int ssl_recvlineb (XE_SSL_FD *ssl_fd, char *buf, int size);
 
 /* For RCS Only -- Do Not Edit
  * @(#) $RCSfile: net.h,v $ $Date: 2003/03/17 07:26:21 $ $Revision: 1.3 $ $Name:  $
diff -burNE xephem-3.7.7/GUI/xephem/netmenu.c xephem-3.7.7-patched/GUI/xephem/netmenu.c
--- xephem-3.7.7/GUI/xephem/netmenu.c	2010-10-06 23:12:40.000000000 +0200
+++ xephem-3.7.7-patched/GUI/xephem/netmenu.c	2020-07-08 11:03:39.931890667 +0200
@@ -9,6 +9,8 @@
 #include <string.h>
 #include <unistd.h>
 
+#include <openssl/ssl.h>
+
 #include <Xm/Form.h>
 #include <Xm/Label.h>
 #include <Xm/PushB.h>
@@ -70,12 +72,24 @@
 
 static char netcategory[] = "Network";	/* Save category */
 
+static SSL_METHOD *ssl_method;	/* global ssl dispatch structure for creating a ssl context */
+static SSL_CTX *ssl_ctx;	/* global ssl context structure for creating ssl connections */
+
 /* call to set up without actually bringing up the menus.
  */
 void
 net_create()
 {
 	if (!netshell_w) {
+	    if (SSL_library_init() < 0) {
+		fprintf (stderr, "Could not initialize the OpenSSL library !\n");
+	    } else {
+		ssl_method = SSLv23_client_method();	/* deprecated since openssl 1.1.x */
+//		ssl_method = TLS_client_method();	/* since openssl 1.1.x */
+		ssl_ctx = SSL_CTX_new (ssl_method);
+		SSL_CTX_set_options (ssl_ctx, SSL_OP_NO_SSLv2);
+	    };
+
 	    net_create_form();
 	    (void) net_save();	/* confirming here is just annoying */
 	}
@@ -251,8 +265,8 @@
             struct {
 		unsigned char  VN;	/* version number */
 		unsigned char  CD;	/* command code */
-		unsigned short DSTPORT;	/* destination port */
-		unsigned long  DSTIP;	/* destination IP addres */
+		uint16_t       DSTPORT;	/* destination port */
+		uint32_t       DSTIP;	/* destination IP address */
 	    } SocksPacket;
 
 	    struct hostent *hs = gethostbyname (socks_host);
@@ -390,7 +404,7 @@
 
 /* read up to and including the next '\n' from socket fd into buf[max].
  * we silently ignore all '\r'. we add a trailing '\0'.
- * return line lenth (not counting \0) if all ok, else -1.
+ * return line length (not counting \0) if all ok, else -1.
  * N.B. this never reads ahead -- if that's ok, recvlineb() is better
  */
 int
@@ -445,6 +459,216 @@
 		if (nr <= 0) {
 		    ok = nr;
 		    rb_next = 0;
+		    rb_unk = 0;
+		    break;
+		}
+		rb_next = 0;
+		rb_unk = nr;
+	    }
+
+	    if ((c = rb_linebuf[rb_next++]) != '\r')
+		*buf++ = c;
+
+	} while (buf-origbuf < size && c != '\n');
+
+	/* always give back a real line regardless, else status */
+	if (ok > 0) {
+	    *buf = '\0';
+	    ok = buf - origbuf;
+	}
+
+	return (ok);
+}
+
+/* open the host, do the given GET cmd, and return a socket fd for the result.
+ * on success it fills the XE_SSL_FD structure for later use by SSL_read() and necessary cleanup.
+ * return -1 and with excuse in msg[], else 0 if ok.
+ * N.B. can be called before we are created if net set in app defaults.
+ */
+int
+httpsGET (char *host, char *GETcmd, char msg[], XE_SSL_FD *ssl_fd)
+{
+	char buf[2048];
+	int fd;
+	int connected;
+	SSL *ssl;
+	int n;
+	int ret;
+	int httpsport = 443;
+
+	/* open connection */
+	if (proxy_on) {
+	    fd = mkconnection (proxy_host, proxy_port, msg);
+	    if (fd < 0)
+		return (-1);
+
+	    /* fill buf with CONNECT */
+	    (void) sprintf (buf, "CONNECT %1$s:%2$d HTTP/1.0\r\nUser-Agent: xephem/%3$s\r\nHost: %1$s:%2$d\r\n\r\n", host, httpsport, PATCHLEVEL);
+
+	    /* add proxy auth if enabled */
+	    if (!auth_w)
+		net_create_form();
+	    if (XmToggleButtonGetState (auth_w))
+		addAuth(buf);
+
+	    /* log it */
+	    xe_msg (0, "https proxy connect: %s", buf);
+
+	    /* send it */
+	    n = strlen (buf);
+	    if (sendbytes(fd, (unsigned char *)buf, n) < 0) {
+		(void) sprintf (msg, "%s: send error: %s", proxy_host, syserrstr());
+		(void) close (fd);
+		return (-1);
+	    }
+
+	    connected = 0;
+	    while (recvline (fd, buf, sizeof(buf)) > 1) {
+		xe_msg (0, "Rcv: %s", buf);
+		if (strstr (buf, "200 "))
+		    connected = 1;
+	    }
+	    if (!connected) {
+		(void) sprintf (msg, "%s: connect error: %s", proxy_host, syserrstr());
+		(void) close (fd);
+		return (-1);
+	    }
+	} else {
+	    /* SOCKS or direct are both handled by mkconnection() */
+	    fd = mkconnection (host, httpsport, msg);
+	    if (fd < 0)
+		return (-1);
+	}
+
+	/* fill buf with GETcmd */
+	(void) sprintf (buf, "%s", GETcmd);
+
+	/* start ssl connection */
+	ssl = SSL_new (ssl_ctx);
+	SSL_set_fd (ssl, fd);
+	SSL_connect (ssl);
+
+	/* log it */
+	xe_msg (0, "https: %s", buf);
+
+	/* send it */
+	n = strlen (buf);
+	ret = SSL_write (ssl, (unsigned char *)buf, n);
+	if (ret <= 0) {
+	    (void) sprintf (msg, "%s: ssl send error code: %d", host, SSL_get_error (ssl, ret));
+	    (void) SSL_free (ssl);
+	    (void) close (fd);
+	    return (-1);
+	}
+
+	/* caller can read response */
+	ssl_fd->fd = fd;
+	ssl_fd->ssl = ssl;
+	return (fd);
+}
+
+/* receive exactly n bytes from ssl connection ssl_fd into buf.
+ * return -1, 0 or n.
+ * N.B. with fallback to ordinary read from socket if ssl_fd->ssl is NULL
+ */
+int
+ssl_recvbytes (XE_SSL_FD *ssl_fd, unsigned char buf[], int n)
+{
+	int ns, tot;
+
+	for (tot = 0; tot < n; tot += ns) {
+	    if (tout (TOUT, ssl_fd->fd, 0) < 0)
+		return (-1);
+	    if (ssl_fd->ssl)
+		ns = SSL_read (ssl_fd->ssl, (void *)(buf+tot), n-tot);
+	    else
+		ns = read (ssl_fd->fd, (void *)(buf+tot), n-tot);
+	    if (ns <= 0)
+		return (ns);
+	}
+	return (n);
+}
+
+/* like read(2) except we time out and allow user to cancel.
+ * receive up to n bytes from ssl connection ssl_fd into buf.
+ * return count, or 0 on eof or -1 on error.
+ * N.B. with fallback to ordinary read from socket if ssl_fd->ssl is NULL
+ */
+int
+ssl_readbytes (XE_SSL_FD *ssl_fd, unsigned char buf[], int n)
+{
+	int ns;
+
+	if (tout (TOUT, ssl_fd->fd, 0) < 0)
+	    return (-1);
+	if (ssl_fd->ssl)
+	    ns = SSL_read (ssl_fd->ssl, (void *)buf, n);
+	else
+	    ns = read (ssl_fd->fd, (void *)buf, n);
+	return (ns);
+}
+
+/* read up to and including the next '\n' from ssl into buf[max].
+ * we silently ignore all '\r'. we add a trailing '\0'.
+ * return line length (not counting \0) if all ok, else -1.
+ * N.B. with fallback to ordinary read from socket if ssl_fd->ssl is NULL
+ */
+int
+ssl_recvline (XE_SSL_FD *ssl_fd, char buf[], int max)
+{
+	unsigned char c;
+	int n;
+
+	max--;	/* leave room for trailing \0 */
+
+	for (n = 0; n < max && ssl_recvbytes (ssl_fd, &c, 1) == 1; ) {
+	    if (c != '\r') {
+		buf[n++] = c;
+		if (c == '\n') {
+		    buf[n] = '\0';
+		    return (n);
+		}
+	    }
+	}
+
+	return (-1);
+}
+
+/* rather like ssl_recvline but reads ahead in big chunk for efficiency.
+ * return length if read a line ok, 0 if hit eof, -1 if error.
+ * N.B. we silently swallow all '\r'.
+ * N.B. we read ahead and can hide bytes after each call.
+ * N.B. with fallback to ordinary read from socket if ssl_fd->ssl is NULL
+ */
+int
+ssl_recvlineb (XE_SSL_FD *ssl_fd, char *buf, int size)
+{
+	char *origbuf = buf;		/* save to prevent overfilling buf */
+	char c = '\0';
+	int ok = 1;
+
+	/* always leave room for trailing \n */
+	size -= 1;
+
+	/* read and copy linebuf[next] to buf until buf fills or copied a \n */
+	do {
+
+	    if (rb_next >= rb_unk) {
+		/* linebuf is empty -- refill */
+
+		int nr;
+
+		if (tout (TOUT, ssl_fd->fd, 0) < 0) {
+		    nr = -1;
+		    break;
+		}
+		if (ssl_fd->ssl)
+		    nr = SSL_read (ssl_fd->ssl, rb_linebuf, sizeof(rb_linebuf));
+		else
+		    nr = read (ssl_fd->fd, rb_linebuf, sizeof(rb_linebuf));
+		if (nr <= 0) {
+		    ok = nr;
+		    rb_next = 0;
 		    rb_unk = 0;
 		    break;
 		}
diff -burNE xephem-3.7.7/GUI/xephem/sunmenu.c xephem-3.7.7-patched/GUI/xephem/sunmenu.c
--- xephem-3.7.7/GUI/xephem/sunmenu.c	2012-04-02 00:38:50.000000000 +0200
+++ xephem-3.7.7-patched/GUI/xephem/sunmenu.c	2020-07-08 11:03:39.935890493 +0200
@@ -884,9 +884,11 @@
 	int isjpeg, jpegl;
 	int njpeg;
 	unsigned char *jpeg;
+	XE_SSL_FD ssl_fd;
 	int fd, nr;
 	struct tm tm;
 
+	memset(&ssl_fd, 0, sizeof(ssl_fd));
 	memset(&tm, 0, sizeof(struct tm));
 
 	/* get desired type and size */
@@ -901,16 +903,16 @@
 	sprintf (get, "GET http://%s%s HTTP/1.0\r\nUser-Agent: xephem/%s\r\n\r\n", sohohost, fn, PATCHLEVEL);
 
 	/* query server */
-	fd = httpGET (sohohost, get, buf);
+	fd = httpsGET (sohohost, get, buf, &ssl_fd);
 	if (fd < 0) {
-	    xe_msg (1, "http get: %s", buf);
+	    xe_msg (1, "https get: %s", buf);
 	    return (-1);
 	}
 
 	/* read header (everything to first blank line), looking for jpeg */
 	isjpeg = 0;
 	jpegl = 0;
-	while (recvline (fd, buf, sizeof(buf)) > 1) {
+	while (ssl_recvline (&ssl_fd, buf, sizeof(buf)) > 1) {
 	    xe_msg (0, "Rcv: %s", buf);
 	    if (strstr (buf, "Content-Type:") && strstr (buf, "image/jpeg"))
 		isjpeg = 1;
@@ -923,15 +925,17 @@
 	    }
 	}
 	if (!isjpeg) {
-	    while (recvline (fd, buf, sizeof(buf)) > 0)
+	    while (ssl_recvline (&ssl_fd, buf, sizeof(buf)) > 0)
 		xe_msg (0, "Rcv: %s", buf);
 	    xe_msg (1, "Error talking to SOHO .. see File->System log\n");
-	    close (fd);
+	    SSL_free (ssl_fd.ssl);
+	    close (ssl_fd.fd);
 	    return (-1);
 	}
 	if (jpegl == 0) {
 	    xe_msg (1, "No Content-Length in header");
-	    close (fd);
+	    SSL_free (ssl_fd.ssl);
+	    close (ssl_fd.fd);
 	    return (-1);
 	}
 
@@ -941,18 +945,20 @@
 	for (njpeg = 0; njpeg < jpegl; njpeg += nr) {
 	    pm_set (100*njpeg/jpegl);
 	    jpeg = (unsigned char *) XtRealloc ((char*)jpeg, njpeg+NSREAD);
-	    nr = readbytes (fd, jpeg+njpeg, NSREAD);
-	    if (nr < 0) {
-		xe_msg (1, "%s:\n%s", sohohost, syserrstr());
+	    nr = SSL_read (ssl_fd.ssl, jpeg+njpeg, NSREAD);
+	    if (nr <= 0) {
+		xe_msg (1, "%s: ssl read error code: %d", sohohost, SSL_get_error(ssl_fd.ssl, nr));
 		pm_down();
-		close (fd);
+		SSL_free (ssl_fd.ssl);
+		close (ssl_fd.fd);
 		return (-1);
 	    }
 	    if (nr == 0)
 		break;
 	}
 	pm_down();
-	close (fd);
+	SSL_free (ssl_fd.ssl);
+	close (ssl_fd.fd);
 
         sprintf (fn, "/%s_%s.jpg", filetime, filetype);
 	/* display jpeg */
diff -burNE xephem-3.7.7/GUI/xephem/ucac.c xephem-3.7.7-patched/GUI/xephem/ucac.c
--- xephem-3.7.7/GUI/xephem/ucac.c	2013-03-02 03:41:37.000000000 +0100
+++ xephem-3.7.7-patched/GUI/xephem/ucac.c	2020-07-08 11:03:39.939890319 +0200
@@ -18,15 +18,15 @@
 
 #define	MAXFOV	15.0			/* max fov, degs */
 
-typedef unsigned char UC;		/* byte */
-typedef unsigned int UI;		/* unsigned integer */
+typedef unsigned char XE_UC;		/* byte */
+typedef unsigned int XE_UI;		/* unsigned integer */
 
 /* access an I*2 or I*4 at offset i in UC array a in little-endian byte order.
  * a bit slow but ultra portable.
  */
-#define	I2(a,i)		((int)(short)((((UI)(a)[i]) | (((UI)(a)[i+1])<<8))))
-#define	I4(a,i)		((int)((((UI)(a)[i]) | (((UI)(a)[i+1])<<8) | \
-				(((UI)(a)[i+2])<<16) | (((UI)(a)[i+3])<<24))))
+#define	I2(a,i)		((int)(short)((((XE_UI)(a)[i]) | (((XE_UI)(a)[i+1])<<8))))
+#define	I4(a,i)		((int)((((XE_UI)(a)[i]) | (((XE_UI)(a)[i+1])<<8) | \
+				(((XE_UI)(a)[i+2])<<16) | (((XE_UI)(a)[i+3])<<24))))
 
 /* keep track of an array of ObjF */
 typedef struct {
@@ -48,9 +48,9 @@
 
 #define	DPMAS	(1.0/3600000.0)		/* degrees per milliarcsecond */
 
-typedef UC U2Star[44];			/* UCAC2 record */
-typedef UC U3Star[84];			/* UCAC3 record */
-typedef UC U4Star[78];			/* UCAC4 record */
+typedef XE_UC U2Star[44];		/* UCAC2 record */
+typedef XE_UC U3Star[84];		/* UCAC3 record */
+typedef XE_UC U4Star[78];		/* UCAC4 record */
 static char *basedir;			/* full dir with zone files and index */
 static FILE *indexfp;			/* index file handle */
 
@@ -293,7 +293,7 @@
 read4Index (int rz, int dz, int *nskip, int *nnew)
 {
 	off_t offset;
-	UC i4[4];
+	XE_UC i4[4];
 
 	offset = (rz*NZH4 + dz)*sizeof(i4);
 	if (fseek (indexfp, offset, SEEK_SET) < 0) {
@@ -508,7 +508,7 @@
 read3Index (int rz, int dz, int *nskip, int *nnew)
 {
 	off_t offset;
-	UC i4[4];
+	XE_UC i4[4];
 
 	offset = (rz*NZH + dz)*sizeof(i4);
 	if (fseek (indexfp, offset, SEEK_SET) < 0) {
@@ -663,7 +663,7 @@
 get2N (int rz, int dz, int *idp)
 {
 	off_t offset;
-	UC nat[4];
+	XE_UC nat[4];
 
 	offset = (dz*NZW + rz)*sizeof(nat);
 	if (fseek (indexfp, offset, SEEK_SET) < 0)
diff -burNE xephem-3.7.7/GUI/xephem/usno.c xephem-3.7.7-patched/GUI/xephem/usno.c
--- xephem-3.7.7/GUI/xephem/usno.c	2005-03-20 12:04:51.000000000 +0100
+++ xephem-3.7.7-patched/GUI/xephem/usno.c	2020-07-08 11:03:39.943890145 +0200
@@ -14,8 +14,8 @@
 #define	CATBPR	12	/* bytes per star record in .cat file */
 #define	ACCBPR	30	/* bytes per record in .acc file */
 
-typedef unsigned int UI;
-typedef unsigned char UC;
+typedef unsigned int XE_UI;
+typedef unsigned char XE_UC;
 
 /* One Field star */
 typedef struct {
@@ -36,7 +36,7 @@
     double lr[2], int *nd, double fd[2], double ld[2], int zone[2], char msg[]);
 static int fetchSwath (int zone, double maxmag, double fr, double lr,
     double fd, double ld, StarArray *sap, char msg[]);
-static int crackCatBuf (UC buf[CATBPR], FieldStar *fsp);
+static int crackCatBuf (XE_UC buf[CATBPR], FieldStar *fsp);
 static int addGS (StarArray *sap, FieldStar *fsp);
 
 static char *cdpath;		/* where CD rom is mounted */
@@ -236,7 +236,7 @@
 {
 	char fn[1024];
 	char buf[ACCBPR];
-	UC catbuf[CATBPR];
+	XE_UC catbuf[CATBPR];
 	FieldStar fs;
 	long frec;
 	long os;
@@ -314,13 +314,13 @@
  * return 0 if ok, else -1.
  */
 static int
-crackCatBuf (UC buf[CATBPR], FieldStar *fsp)
+crackCatBuf (XE_UC buf[CATBPR], FieldStar *fsp)
 {
-#define	BEUPACK(b) (((UI)((b)[0])<<24) | ((UI)((b)[1])<<16) | ((UI)((b)[2])<<8)\
-							    | ((UI)((b)[3])))
+#define	BEUPACK(b) (((XE_UI)((b)[0])<<24) | ((XE_UI)((b)[1])<<16) | ((XE_UI)((b)[2])<<8)\
+							    | ((XE_UI)((b)[3])))
 	double ra, dec;
 	int red, blu;
-	UI mag;
+	XE_UI mag;
 
 	/* first 4 bytes are packed RA, big-endian */
 	ra = BEUPACK(buf)/(100.0*3600.0*15.0);
diff -burNE xephem-3.7.7/GUI/xephem/webdbmenu.c xephem-3.7.7-patched/GUI/xephem/webdbmenu.c
--- xephem-3.7.7/GUI/xephem/webdbmenu.c	2012-11-23 06:22:09.000000000 +0100
+++ xephem-3.7.7-patched/GUI/xephem/webdbmenu.c	2020-07-08 11:03:39.951889797 +0200
@@ -404,6 +404,10 @@
 char *url;
 {
 	static char http[] = "http://";
+	static char https[] = "https://";
+	char *transport = http;
+	int ltransport = strlen (transport);
+	int ishttp = 0;
 	char buf[512], msg[1024];
 	char l0[512], l1[512], l2[512];
 	char *l0p = l0, *l1p = l1, *l2p = l2;
@@ -411,21 +415,31 @@
 	char *slash, *dot;
 	char filename[256];
 	FILE *fp;
+	XE_SSL_FD ssl_fd;
 	int sockfd;
 	int nfound;
 
+	memset(&ssl_fd, 0, sizeof(ssl_fd));
+
 	/* start */
 	watch_cursor(1);
 	l0[0] = l1[0] = l2[0] = '\0';
 
 	/* find transport and host */
-	if (strncmp (url, http, 7)) {
-	    xe_msg (1, "URL must begin with %s", http);
+	if (!strncmp (url, transport, ltransport)) {
+	    ishttp = 1;
+	} else {
+	    transport = https;
+	    ltransport = strlen (transport);
+	}
+
+	if ((!ishttp) && (strncmp (url, transport, ltransport))) {
+	    xe_msg (1, "URL must begin with %s or %s", http, https);
 	    watch_cursor (0);
 	    return;
 	}
 
-	slash = strchr (url+7, '/');
+	slash = strchr (url+ltransport, '/');
 	dot = strrchr (url, '.');
 	if (!slash || !dot) {
 	    xe_msg (1, "Badly formed URL");
@@ -434,11 +448,16 @@
 	}
 
 	/* connect to check url */
-	sprintf (host, "%.*s", (int)(slash-url-7), url+7);
+	sprintf (host, "%.*s", (int)(slash-url-ltransport), url+ltransport);
 	sprintf (buf, "GET %s HTTP/1.1\r\nHost: %s\r\nConnection: close\r\nUser-Agent: xephem/%s\r\n\r\n",
 						url, host, PATCHLEVEL);
 	stopd_up();
+	if (ishttp) {
 	sockfd = httpGET (host, buf, msg);
+	    ssl_fd.fd = sockfd;
+	} else {
+	    sockfd = httpsGET (host, buf, msg, &ssl_fd);
+	}
 	if (sockfd < 0) {
 	    xe_msg (1, "http GET to %s failed: %s%s\n", host, buf, msg);
 	    stopd_down();
@@ -447,20 +466,22 @@
 	}
 
 	/* create local file */
-	slash = strrchr (url+7, '/');
+	slash = strrchr (url+ltransport, '/');
 	sprintf (filename, "%s/%.*sedb", getPrivateDir(), (int)(dot-slash), slash+1);
 	fp = fopen (filename, "w");
 	if (!fp) {
 	    xe_msg (1, "%s:\n%s", filename, syserrstr());
 	    watch_cursor (0);
-	    close (sockfd);
+	    if (!ishttp)
+		SSL_free (ssl_fd.ssl);
+	    close (ssl_fd.fd);
 	    return;
 	}
 
 	/* copy to file, insuring only .edb lines.
 	 */
 	nfound = 0;
-	while (recvlineb (sockfd, l2p, sizeof(l2)) > 0) {
+	while (ssl_recvlineb (&ssl_fd, l2p, sizeof(l2)) > 0) {
 	    char *lrot;
 	    Obj o;
 
@@ -484,7 +505,9 @@
 
 	/* tidy up and done */
 	fclose (fp);
-	close (sockfd);
+	if (!ishttp)
+	    SSL_free (ssl_fd.ssl);
+	close (ssl_fd.fd);
 	if (!nfound) {
 	    xe_msg (1, "No objects in file");
 	    remove (filename);
diff -burNE xephem-3.7.7/GUI/xephem/xephem.h xephem-3.7.7-patched/GUI/xephem/xephem.h
--- xephem-3.7.7/GUI/xephem/xephem.h	2012-12-30 18:01:12.000000000 +0100
+++ xephem-3.7.7-patched/GUI/xephem/xephem.h	2020-07-08 11:03:39.955889623 +0200
@@ -12,12 +12,12 @@
 
 #include <stdarg.h>		/* be kind to those who don't use xe_msg() */
 
+#include "net.h"		/* has to be included before astro.h because of openssl */
 #include "astro.h"
 #include "ip.h"
 
 /* local glue files */
 #include "map.h"
-#include "net.h"
 #include "patchlevel.h"
 #include "preferences.h"
 #include "db.h"

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File xephem-3.7.7_openssl_v2.patch of Package xephem (Revision 938a7dccf9ac4f98a9103fea1258c0bb)

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