char * mountNfsImage(struct installMethod * method,
char * location, struct loaderData_s * loaderData,
moduleInfoSet modInfo, moduleList modLoaded,
moduleDeps * modDepsPtr) {
char * host = NULL;
char * directory = NULL;
char * mountOpts = NULL;
char * fullPath = NULL;
char * path;
char * url = NULL;
enum { NFS_STAGE_NFS, NFS_STAGE_MOUNT,
NFS_STAGE_DONE } stage = NFS_STAGE_NFS;
int rc;
int dir = 1;
/* JKFIXME: ASSERT -- we have a network device setup when we get here */
while (stage != NFS_STAGE_DONE) {
switch (stage) {
case NFS_STAGE_NFS:
logMessage(INFO, "going to do nfsGetSetup");
if (loaderData->method == METHOD_NFS && loaderData->methodData) {
host = ((struct nfsInstallData *)loaderData->methodData)->host;
directory = ((struct nfsInstallData *)loaderData->methodData)->directory;
mountOpts = ((struct nfsInstallData *)loaderData->methodData)->mountOpts;
logMessage(INFO, "host is %s, dir is %s, opts are '%s'", host, directory, mountOpts);
if (!host || !directory) {
logMessage(ERROR, "missing host or directory specification");
loaderData->method = -1;
break;
} else {
host = strdup(host);
directory = strdup(directory);
if (mountOpts) {
mountOpts = strdup(mountOpts);
}
}
} else if (nfsGetSetup(&host, &directory, &mountOpts) == LOADER_BACK) {
return NULL;
}
stage = NFS_STAGE_MOUNT;
dir = 1;
break;
case NFS_STAGE_MOUNT: {
int foundinvalid = 0;
char * buf;
struct in_addr ip;
if (loaderData->noDns && !(inet_pton(AF_INET, host, &ip))) {
newtWinMessage(_("Error"), _("OK"),
_("Hostname specified with no DNS configured"));
if (loaderData->method >= 0) {
loaderData->method = -1;
}
break;
}
fullPath = alloca(strlen(host) + strlen(directory) + 2);
sprintf(fullPath, "%s:%s", host, directory);
logMessage(INFO, "mounting nfs path %s, options '%s'", fullPath, mountOpts);
if (FL_TESTING(flags)) {
stage = NFS_STAGE_DONE;
dir = 1;
break;
}
stage = NFS_STAGE_NFS;
if (!doPwMount(fullPath, "/mnt/source", "nfs",
IMOUNT_RDONLY, mountOpts)) {
if (!access("/mnt/source/images/stage2.img", R_OK)) {
logMessage(INFO, "can access /mnt/source/images/stage2.img");
rc = mountStage2("/mnt/source/images/stage2.img");
logMessage(DEBUGLVL, "after mountStage2, rc is %d", rc);
if (rc) {
if (rc == -1) {
foundinvalid = 1;
logMessage(WARNING, "not the right one");
}
} else {
stage = NFS_STAGE_DONE;
url = "nfs://mnt/source/.";
break;
}
} else {
logMessage(WARNING, "unable to access /mnt/source/images/stage2.img");
}
if ((path = validIsoImages("/mnt/source", &foundinvalid))) {
foundinvalid = 0;
logMessage(INFO, "Path to valid iso is %s", path);
copyUpdatesImg("/mnt/source/updates.img");
if (mountLoopback(path, "/mnt/source2", "loop1"))
logMessage(WARNING, "failed to mount iso %s loopback", path);
else {
rc = mountStage2("/mnt/source2/images/stage2.img");
if (rc) {
umountLoopback("/mnt/source2", "loop1");
if (rc == -1)
foundinvalid = 1;
} else {
/* JKFIXME: hack because /mnt/source is hard-coded
* in mountStage2() */
copyUpdatesImg("/mnt/source2/images/updates.img");
copyProductImg("/mnt/source2/images/product.img");
queryIsoMediaCheck(path);
stage = NFS_STAGE_DONE;
url = "nfsiso:/mnt/source";
break;
}
}
}
/* if we fell through to here we did not find a valid NFS */
/* source for installation. */
umount("/mnt/source");
if (foundinvalid)
buf = sdupprintf(_("The %s installation tree in that "
"directory does not seem to match "
"your boot media."), getProductName());
else
buf = sdupprintf(_("That directory does not seem to "
"contain a %s installation tree."),
getProductName());
newtWinMessage(_("Error"), _("OK"), buf);
if (loaderData->method >= 0) {
loaderData->method = -1;
}
break;
} else {
newtWinMessage(_("Error"), _("OK"),
_("That directory could not be mounted from "
"the server."));
if (loaderData->method >= 0) {
loaderData->method = -1;
}
break;
}
}
case NFS_STAGE_DONE:
break;
}
}
free(host);
free(directory);
free(mountOpts);
return url;
}
/* given a partition device and directory, tries to mount hd install image */
static char * setupIsoImages(char * device, char * dirName, char * location) {
int rc = 0;
char *url = NULL, *dirspec, *updpath, *path;
logMessage(INFO, "mounting device %s for hard drive install", device);
if (doPwMount(device, "/mnt/isodir", "auto", "ro", NULL))
return NULL;
checked_asprintf(&dirspec, "/mnt/isodir%.*s",
(int) (strrchr(dirName, '/') - dirName), dirName);
checked_asprintf(&path, "/mnt/isodir%s", dirName);
if (path) {
logMessage(INFO, "Path to stage2 image is %s", path);
rc = copyFile(path, "/tmp/install.img");
rc = mountStage2("/tmp/install.img");
free(path);
if (rc) {
umountLoopback("/mnt/runtime", "/dev/loop0");
umount("/mnt/isodir");
goto err;
}
checked_asprintf(&updpath, "%s/updates.img", dirspec);
logMessage(INFO, "Looking for updates for HD in %s", updpath);
copyUpdatesImg(updpath);
free(updpath);
checked_asprintf(&updpath, "%s/product.img", dirspec);
logMessage(INFO, "Looking for product for HD in %s", updpath);
copyProductImg(updpath);
free(updpath);
free(dirspec);
umount("/mnt/isodir");
checked_asprintf(&url, "hd:%s:/%s", device,
dirName ? dirName : ".");
return url;
} else {
free(dirspec);
free(path);
if (rc) {
umount("/mnt/isodir");
return NULL;
}
}
err:
newtWinMessage(_("Error"), _("OK"),
_("An error occured finding the installation image "
"on your hard drive. Please check your images and "
"try again."));
return NULL;
}
