bin/145100: [patch] pkg_add(1) - remove hardcoded versioning data from add/main.c

[Garrett Cooper]

>Number:         145100
>Category:       bin
>Synopsis:       [patch] pkg_add(1) - remove hardcoded versioning data from add/main.c
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Mar 28 08:50:02 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator:     Garrett Cooper
>Release:        9-CURRENT
>Organization:
Cisco Systems, Inc.
>Environment:
FreeBSD bayonetta.local 9.0-CURRENT FreeBSD 9.0-CURRENT #5 r205310: Sat Mar 20 01:32:51 PDT 2010     gcooper at bayonetta.local:/usr/obj/usr/src/sys/BAYONETTA  amd64

>Description:
A keen observation made by bapt@ on #bsdports when submitting the patch for pkg_add, was the fact that the hardcoded versioning information in add/main.c was useless in lieu of (struct uname).release's data.

We'd be losing a small potential feature in the event that ABI breakage was to ever occur (say with the syscons utmp -> utmpx removal), but that shouldn't occur on a regular basis and should only occur on CURRENT (where packages should be built by the end user anyhow IMO..). Besides, if the admin knows enough about the system he / she should be capable enough of determining whether or not he / she should be using FreeBSD version X.Y.Z.

This eases the amount of flux with the folks in re@ and although it could have been circumvented via the environment variable - OSRELDATE - it's just simpler to do things this way (via UNAME_r).

If committed, this item will need an announcement on current and stable beforehand to ensure that all affected parties are aware of the change and update their infrastructures accordingly.
>How-To-Repeat:

>Fix:


Patch attached with submission follows:

==== //depot/projects/soc2007/gcooper-pkg_install-enhancements-simplified/usr.sbin/pkg_install/add/main.c#3 - /scratch/freebsd/perforce/pkg_install-enhancements/usr.sbin/pkg_install/add/main.c ====
@@ -52,51 +52,6 @@
 
 char	*progname	= NULL;
 
-struct {
-	int lowver;	/* Lowest version number to match */
-	int hiver;	/* Highest version number to match */
-	const char *directory;	/* Directory it lives in */
-} releases[] = {
-	{ 410000, 410000, "/packages-4.1-release" },
-	{ 420000, 420000, "/packages-4.2-release" },
-	{ 430000, 430000, "/packages-4.3-release" },
-	{ 440000, 440000, "/packages-4.4-release" },
-	{ 450000, 450000, "/packages-4.5-release" },
-	{ 460000, 460001, "/packages-4.6-release" },
-	{ 460002, 460099, "/packages-4.6.2-release" },
-	{ 470000, 470099, "/packages-4.7-release" },
-	{ 480000, 480099, "/packages-4.8-release" },
-	{ 490000, 490099, "/packages-4.9-release" },
-	{ 491000, 491099, "/packages-4.10-release" },
-	{ 492000, 492099, "/packages-4.11-release" },
-	{ 500000, 500099, "/packages-5.0-release" },
-	{ 501000, 501099, "/packages-5.1-release" },
-	{ 502000, 502009, "/packages-5.2-release" },
-	{ 502010, 502099, "/packages-5.2.1-release" },
-	{ 503000, 503099, "/packages-5.3-release" },
-	{ 504000, 504099, "/packages-5.4-release" },
-	{ 505000, 505099, "/packages-5.5-release" },
-	{ 600000, 600099, "/packages-6.0-release" },
-	{ 601000, 601099, "/packages-6.1-release" },
-	{ 602000, 602099, "/packages-6.2-release" },
-	{ 603000, 603099, "/packages-6.3-release" },
-	{ 604000, 604099, "/packages-6.4-release" },
-	{ 700000, 700099, "/packages-7.0-release" },
-	{ 701000, 701099, "/packages-7.1-release" },
-	{ 702000, 702099, "/packages-7.2-release" },
-	{ 800000, 800499, "/packages-8.0-release" },
-	{ 300000, 399000, "/packages-3-stable" },
-	{ 400000, 499000, "/packages-4-stable" },
-	{ 502100, 502128, "/packages-5-current" },
-	{ 503100, 599000, "/packages-5-stable" },
-	{ 600100, 699000, "/packages-6-stable" },
-	{ 700100, 799000, "/packages-7-stable" },
-	{ 800500, 899000, "/packages-8-stable" },
-	{ 900000, 999000, "/packages-9-current" },
-	{ 0, 9999999, "/packages-current" },
-	{ 0, 0, NULL }
-};
-
 static char *getpackagesite(void);
 int getosreldate(void);
 
@@ -302,8 +257,8 @@
 static char *
 getpackagesite(void)
 {
-    int reldate, i;
     static char sitepath[MAXPATHLEN];
+    size_t i;
     struct utsname u;
 
     if (getenv("PACKAGESITE")) {
@@ -327,20 +282,22 @@
 	>= sizeof(sitepath))
 	return NULL;
 
-    uname(&u);
-    if (strlcat(sitepath, u.machine, sizeof(sitepath)) >= sizeof(sitepath))
+    if (uname(&u) == -1) {
+	warn("%s.%s: could not determine uname information", progname,
+	    __func__);
+	return NULL;
+    }
+    if (strlcat(sitepath, u.machine, sizeof(sitepath)) >= sizeof(sitepath) ||
+        strlcat(sitepath, "/", sizeof(sitepath)) >= sizeof(sitepath))
 	return NULL;
 
-    reldate = getosreldate();
-    for(i = 0; releases[i].directory != NULL; i++) {
-	if (reldate >= releases[i].lowver && reldate <= releases[i].hiver) {
-	    if (strlcat(sitepath, releases[i].directory, sizeof(sitepath))
-		>= sizeof(sitepath))
-		return NULL;
-	    break;
-	}
+    for (i = 0; u.release[i] != '\0'; i++) {
+        u.release[i] = tolower(u.release[i]);
     }
 
+    if (strlcat(sitepath, u.release, sizeof(sitepath)) >= sizeof(sitepath))
+	return NULL;
+
     if (strlcat(sitepath, "/Latest/", sizeof(sitepath)) >= sizeof(sitepath))
 	return NULL;
 


>Release-Note:
>Audit-Trail:
>Unformatted: