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install-core.c
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#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#define INSTALL_IMPLEMENTATION
#include "install.h"
char inst_exec_suffix [16];
char inst_dlib_suffix [16];
unsigned long install_failed;
void (*install_callback_warn)(const char *, void *);
void (*install_callback_info)(const char *, void *);
void *install_callback_data;
/*@null@*/ static const char *inst_fake_root = NULL;
#if INSTALL_OS_TYPE == INSTALL_OS_WIN32
static const struct install_platform_callbacks_t *platform = &install_platform_win32;
#else
static const struct install_platform_callbacks_t *platform = &install_platform_posix;
#endif
void
install_status_assign (struct install_status_t *status,
enum install_status_enum_t code, /*@null@*/ /*@dependent@*/ const char *message)
{
assert (status != NULL);
status->status = code;
status->message = message;
status->error_message = platform->error_message_current ();
}
void
install_permissions_assign (permissions_t *perm, int mode)
{
assert (perm != NULL);
perm->value = mode;
}
int
install_permissions_compare (permissions_t a, permissions_t b)
{
return (int) (a.value == b.value);
}
/* Portability macro */
#ifndef S_ISSOCK
# if defined(S_IFMT) && defined(S_IFSOCK)
# define S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK)
# else
# define S_ISSOCK(mode) (0)
# endif
#endif
static int s_ifreg (mode_t m) { return (int) S_ISREG(m); }
static int s_ifchr (mode_t m) { return (int) S_ISCHR(m); }
static int s_ifdir (mode_t m) { return (int) S_ISDIR(m); }
static int s_ifsock (mode_t m) { return (int) S_ISSOCK(m); }
static int s_ififo (mode_t m) { return (int) S_ISFIFO(m); }
#ifdef INSTALL_HAVE_SYMLINKS
static int s_iflnk (mode_t m) { return (int) S_ISLNK(m); }
#else
static int s_iflnk (mode_t m) { return 0; }
#endif
static const struct {
int (*check)(mode_t);
/*@dependent@*/ const char *name;
const enum install_file_type_t type;
} file_type_lookups [] = {
{ &s_ifreg, "file", INSTALL_FILE_TYPE_FILE },
{ &s_ifchr, "character_special", INSTALL_FILE_TYPE_CHARACTER_SPECIAL },
{ &s_ifdir, "directory", INSTALL_FILE_TYPE_DIRECTORY },
{ &s_iflnk, "symlink", INSTALL_FILE_TYPE_SYMLINK },
{ &s_ifsock, "socket", INSTALL_FILE_TYPE_SOCKET },
{ &s_ififo, "fifo", INSTALL_FILE_TYPE_FIFO },
};
static const size_t file_type_lookups_size =
sizeof (file_type_lookups) / sizeof (file_type_lookups [0]);
int
install_file_type (const char *file, enum install_file_type_t *type, int nofollow)
/*@globals errno, file_type_lookups_size, file_type_lookups; @*/
/*@modifies errno, type; @*/
{
struct stat sb;
unsigned int index;
const unsigned int last = (unsigned int) file_type_lookups_size;
assert (file != NULL);
assert (type != NULL);
#ifdef INSTALL_HAVE_SYMLINKS
if (nofollow != 0) {
if (lstat (file, &sb) == -1) return 0;
} else {
if (stat (file, &sb) == -1) return 0;
}
#else
if (stat (file, &sb) == -1) return 0;
#endif
for (index = 0; index < last; ++index) {
if (file_type_lookups [index].check (sb.st_mode) != 0) {
*type = file_type_lookups [index].type;
return 1;
}
}
return 0;
}
int
install_file_type_lookup (const char *type_name, enum install_file_type_t *type)
{
unsigned int index;
const unsigned int last = (unsigned int) file_type_lookups_size;
assert (type_name != NULL);
for (index = 0; index < last; ++index) {
if (strcmp (file_type_lookups [index].name, type_name) == 0) {
*type = file_type_lookups [index].type;
return 1;
}
}
return 0;
}
int
install_file_type_name_lookup (enum install_file_type_t type, const char **returned_name)
{
unsigned int index;
const unsigned int last = (unsigned int) file_type_lookups_size;
for (index = 0; index < last; ++index) {
if (file_type_lookups [index].type == type) {
*returned_name = file_type_lookups [index].name;
return 1;
}
}
return 0;
}
struct install_status_t
install_file_copy
(const char *src, const char *dst, user_id_t uid, group_id_t gid, permissions_t mode)
/*@globals errno, platform; @*/
/*@modifies errno; @*/
{
static char dst_tmp [INSTALL_MAX_PATHLEN];
static char copy_buf [65536];
char *copy_ptr = NULL;
FILE *fd_src = NULL;
FILE *fd_dst = NULL;
size_t r;
size_t w;
struct install_status_t status = INSTALL_STATUS_INIT;
user_id_t process_uid = INSTALL_NULL_UID;
int can_change_owner;
int want_change_owner;
assert (dst != NULL);
assert (src != NULL);
if (platform->uid_current (&process_uid) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not fetch current user ID");
return status;
}
assert (platform->uid_valid (process_uid));
if (snprintf (dst_tmp, sizeof (dst_tmp), "%s.tmp", dst) < 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not format string");
return status;
}
fd_src = fopen (src, "rb");
if (fd_src == NULL) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not open source file");
return status;
}
fd_dst = fopen (dst_tmp, "wb");
if (fd_dst == NULL) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not open destination file");
goto ERR;
}
for (;;) {
r = fread (copy_buf, 1, sizeof (copy_buf), fd_src);
if (r == 0) {
if (feof (fd_src) != 0) break;
if (ferror (fd_src) != 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "read error");
goto ERR;
}
}
copy_ptr = copy_buf;
while (r > 0) {
w = fwrite (copy_ptr, 1, r, fd_dst);
if (w == 0) {
if (feof (fd_dst) != 0) /*@innerbreak@*/ break;
if (ferror (fd_dst) != 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "write error");
goto ERR;
}
}
r -= w;
copy_ptr += w;
}
}
if (fflush (fd_dst) != 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "write error");
goto ERR;
}
if (platform->supports_posix_modes () == 1) {
if (platform->file_mode_set (dst_tmp, mode) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not set file permissions");
goto ERR;
}
}
/* If the current UID is able to set file ownership... */
can_change_owner = platform->can_set_ownership (process_uid);
/* If target UID != current UID ... */
want_change_owner = platform->uid_compare (process_uid, uid) == 0;
if ((can_change_owner == 0) && (want_change_owner == 1)) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "current user ID is restricted from setting file ownership");
goto ERR;
}
if ((can_change_owner == 1) && (want_change_owner == 1)) {
if (platform->file_ownership_set (dst_tmp, uid, gid) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not set file ownership");
goto ERR;
}
}
if (fclose (fd_dst) == -1) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not close destination file");
goto ERR;
}
if (fclose (fd_src) == -1) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not close source file");
goto ERR;
}
if (rename (dst_tmp, dst) == -1) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not rename temporary file");
goto ERR;
}
platform->uid_free (&process_uid);
install_status_assign (&status, INSTALL_STATUS_OK, NULL);
return status;
ERR:
if (fd_dst != NULL) (void) fclose (fd_dst);
if (fd_src != NULL) (void) fclose (fd_src);
(void) unlink (dst_tmp);
platform->uid_free (&process_uid);
return status;
}
static struct install_status_t
install_uidgid_lookup (const char *user, user_id_t *uid,
const char *group, group_id_t *gid)
/*@globals errno, platform; @*/
{
struct install_status_t status = INSTALL_STATUS_INIT;
assert (uid != NULL);
assert (gid != NULL);
assert (platform->uid_valid (*uid) == 0);
assert (platform->gid_valid (*gid) == 0);
if (user != NULL) {
if (platform->uid_lookup (user, uid) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not lookup user ID");
return status;
}
} else {
if (platform->uid_current (uid) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not fetch current user ID");
return status;
}
}
if (group != NULL) {
if (platform->gid_lookup (group, gid) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not lookup group ID");
platform->gid_free (gid);
return status;
}
} else {
if (platform->gid_current (gid) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not fetch current group ID");
platform->gid_free (gid);
return status;
}
}
assert (platform->uid_valid (*uid));
assert (platform->gid_valid (*gid));
install_status_assign (&status, INSTALL_STATUS_OK, NULL);
return status;
}
static struct install_status_t
install_file_check
(const char *file_src, permissions_t mode_want, enum install_file_type_t type_want,
user_id_t uid_want, group_id_t gid_want, const char *file_dst)
/*@globals errno, platform, install_callback_data; @*/
/*@modifies errno; @*/
{
static char msg_buffer [INSTALL_MAX_MSGLEN];
static char uid_want_str [INSTALL_FMT_UID];
static char uid_got_str [INSTALL_FMT_UID];
static char gid_want_str [INSTALL_FMT_GID];
static char gid_got_str [INSTALL_FMT_GID];
user_id_t uid_got = INSTALL_NULL_UID;
group_id_t gid_got = INSTALL_NULL_GID;
enum install_file_type_t type_got = INSTALL_FILE_TYPE_FILE;
permissions_t mode_got = INSTALL_NULL_PERMISSIONS;
const char *type_got_name = NULL;
const char *type_want_name = NULL;
size_t size_got = 0;
size_t size_want = 0;
int no_follow = 0;
struct install_status_t status = INSTALL_STATUS_INIT;
assert (file_src != NULL);
assert (file_dst != NULL);
platform->error_reset ();
/* Get source file types and type names */
if (type_want == INSTALL_FILE_TYPE_SYMLINK) no_follow = 1;
if (install_file_type_name_lookup (type_want, &type_want_name) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "unknown source filetype");
return status;
}
/* Get source file size, if necessary */
if (type_want == INSTALL_FILE_TYPE_FILE) {
if (platform->file_size (file_src, &size_want) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not determine source file size");
return status;
}
}
/* Format ownership data */
uid_want_str [platform->uid_format (uid_want_str, uid_want)] = (char) 0;
gid_want_str [platform->gid_format (gid_want_str, gid_want)] = (char) 0;
/* Call info callback if defined */
if (install_callback_info != NULL) {
assert (type_want_name != NULL);
(void) snprintf (msg_buffer, sizeof (msg_buffer), "check %s %s %s %s %o %s %lu",
file_src, file_dst, uid_want_str, gid_want_str, mode_want.value,
type_want_name, (unsigned long) size_want);
install_callback_info (msg_buffer, install_callback_data);
}
/* Check file type */
if (install_file_type (file_dst, &type_got, no_follow) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not determine destination file type");
return status;
}
if (install_file_type_name_lookup (type_got, &type_got_name) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "unknown destination file type");
return status;
}
/* Do not check file type if expected type is symlink and the current platform
* does not support them.
*/
if ((platform->supports_symlinks () == 0) && (type_want != INSTALL_FILE_TYPE_SYMLINK)) {
if (type_want != type_got) {
assert (type_want_name != NULL);
assert (type_got_name != NULL);
(void) snprintf (msg_buffer, sizeof (msg_buffer), "filetype %s not %s",
type_got_name, type_want_name);
install_status_assign (&status, INSTALL_STATUS_ERROR, msg_buffer);
return status;
}
}
/* Check file size */
if (type_want == INSTALL_FILE_TYPE_FILE) {
if (platform->file_size (file_dst, &size_got) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not determine destination file size");
return status;
}
if (size_want != size_got) {
(void) snprintf (msg_buffer, sizeof (msg_buffer), "size %lu not %lu",
(unsigned long) size_got, (unsigned long) size_want);
install_status_assign (&status, INSTALL_STATUS_ERROR, msg_buffer);
return status;
}
}
/* Check file permissions */
if (platform->supports_posix_modes () == 1) {
if (platform->file_mode_get (file_dst, &mode_got) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not determine destination file mode");
return status;
}
if (install_permissions_compare (mode_got, mode_want) == 0) {
(void) snprintf (msg_buffer, sizeof (msg_buffer), "mode %o not %o",
mode_got.value, mode_want.value);
install_status_assign (&status, INSTALL_STATUS_ERROR, msg_buffer);
return status;
}
}
/* Check file ownership */
if (platform->file_ownership_get (file_dst, &uid_got, &gid_got) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not determine destination file ownership");
goto END;
}
uid_got_str [platform->uid_format (uid_got_str, uid_got)] = (char) 0;
gid_got_str [platform->gid_format (gid_got_str, gid_got)] = (char) 0;
if (platform->uid_compare (uid_want, uid_got) == 0) {
(void) snprintf (msg_buffer, sizeof (msg_buffer), "uid %s not %s",
uid_got_str, uid_want_str);
install_status_assign (&status, INSTALL_STATUS_ERROR, msg_buffer);
goto END;
}
if (platform->gid_compare (gid_want, gid_got) == 0) {
(void) snprintf (msg_buffer, sizeof (msg_buffer), "gid %s not %s",
gid_got_str, gid_want_str);
install_status_assign (&status, INSTALL_STATUS_ERROR, msg_buffer);
goto END;
}
install_status_assign (&status, INSTALL_STATUS_OK, NULL);
END:
platform->uid_free (&uid_got);
platform->gid_free (&gid_got);
return status;
}
unsigned int
install_umask (unsigned int m)
{
return platform->umask (m);
}
static int
install_rmkdir (const char *dir, permissions_t perm)
/*@globals errno, platform; @*/
/*@modifies errno; @*/
{
char path_buf [INSTALL_MAX_PATHLEN];
size_t len;
size_t pos;
size_t buflen;
size_t bufpos;
int end;
const char *ptr;
char *ptr2;
assert (dir != NULL);
buflen = sizeof (path_buf);
bufpos = 0;
end = 0;
len = strlen (dir);
ptr = dir;
if (len >= sizeof (path_buf)) { errno = ENAMETOOLONG; return 0; }
for (;;) {
if (len == 0) break;
ptr2 = strchr (ptr, '/');
if (ptr2 == NULL) {
pos = len;
end = 1;
} else pos = (size_t) (ptr2 - ptr);
if (buflen <= (size_t) pos + 1) break;
memcpy (path_buf + bufpos, ptr, pos);
bufpos += pos;
buflen -= pos;
path_buf [bufpos] = '/';
++bufpos;
--buflen;
path_buf [bufpos] = (char) 0;
if (platform->make_dir (path_buf, perm) == -1) {
if (end == 0) {
if (errno != EEXIST && errno != EISDIR) return 0;
} else return 0;
}
ptr += pos;
len -= pos;
if (len != 0) {
++ptr;
--len;
if (len == 0) break;
}
}
return 1;
}
/*
* Portability functions
*/
static int
base_name (const char *dir, char **out)
{
static char path_buf [INSTALL_MAX_PATHLEN];
const char *s;
const char *t;
const char *u;
size_t len;
size_t nlen;
assert (dir != NULL);
len = strlen (dir);
if (len == 0) {
path_buf [0] = (char) '.';
path_buf [1] = (char) 0;
*out = path_buf;
return 1;
}
if (len >= INSTALL_MAX_PATHLEN) return 0;
s = dir;
t = s + (len - 1);
while ((t > s) && (t [0] == '/')) --t;
if ((t == s) && (t [0] == '/')) {
path_buf [0] = (char) '/';
path_buf [1] = (char) 0;
*out = path_buf;
return 1;
}
u = t;
while ((u > s) && (*(u - 1) != '/')) --u;
nlen = (size_t) (t - u) + 1;
memcpy (path_buf, u, nlen);
path_buf [nlen] = (char) 0;
*out = path_buf;
return 1;
}
static int
str_same (const char *a, const char *b)
{
return (int) (strcmp (a, b) == 0);
}
static int
str_ends (const char *s, const char *end)
{
register size_t slen = strlen (s);
register size_t elen = strlen (end);
if (elen > slen) elen = slen;
s += (slen - elen);
return str_same (s, end);
}
/*
* Utilities
*/
static int
libname (char *name, char *buf)
/*@globals errno; @*/
/*@modifies errno, buf; @*/
{
static char read_buf [INSTALL_MAX_PATHLEN];
FILE *fp;
char *s;
size_t r;
int ret = 1;
int clean;
assert (name != NULL);
assert (buf != NULL);
fp = fopen (name, "rb");
if (fp == NULL) return 0;
r = fread (read_buf, (size_t) 1, INSTALL_MAX_PATHLEN, fp);
if (r < INSTALL_MAX_PATHLEN) {
if (ferror (fp) != 0) {
ret = 0;
goto END;
}
}
/* Clean whitespace from buffer */
s = read_buf;
clean = 0;
while (r != 0) {
switch (*s) {
case ' ':
case '\t':
case '\n':
case '\r':
s [0] = (char) 0;
clean = 1;
break;
default:
break;
}
if (clean == 1) break;
--r;
++s;
}
memcpy (buf, read_buf, s - read_buf);
buf [s - read_buf] = (char) 0;
END:
if (fclose (fp) != 0) return 0;
return ret;
}
/*
* Install operator callbacks
*/
static struct install_status_t
inst_copy (struct install_item *item, unsigned int flags)
{
static char msg_buffer [INSTALL_MAX_MSGLEN];
static char uid_str [INSTALL_FMT_UID];
static char gid_str [INSTALL_FMT_GID];
user_id_t uid = INSTALL_NULL_UID;
group_id_t gid = INSTALL_NULL_GID;
permissions_t perm = INSTALL_NULL_PERMISSIONS;
size_t size = 0;
struct install_status_t status = INSTALL_STATUS_INIT;
assert (item != NULL);
install_permissions_assign (&perm, (unsigned int) item->perm);
status = install_uidgid_lookup (item->owner, &uid, item->group, &gid);
if (status.status != INSTALL_STATUS_OK) return status;
/* Defer error here (attempting to copy will give actual error) */
(void) platform->file_size (item->src, &size);
uid_str [platform->uid_format (uid_str, uid)] = (char) 0;
gid_str [platform->gid_format (gid_str, gid)] = (char) 0;
/* Call info callback */
if (install_callback_info != NULL) {
(void) snprintf (msg_buffer, sizeof (msg_buffer), "copy %s %s %s %s %o %lu",
item->src, item->dst, uid_str, gid_str, perm.value, (unsigned long) size);
install_callback_info (msg_buffer, install_callback_data);
}
/* Copy file if not performing dry run */
if ((flags & INSTALL_DRYRUN) == INSTALL_NO_FLAGS) {
status = install_file_copy (item->src, item->dst, uid, gid, perm);
if (status.status != INSTALL_STATUS_OK) goto END;
}
install_status_assign (&status, INSTALL_STATUS_OK, NULL);
END:
platform->uid_free (&uid);
platform->gid_free (&gid);
return status;
}
static struct install_status_t
inst_link (struct install_item *item, unsigned int flags)
/*@globals errno, platform, install_callback_data; @*/
/*@modifies errno; @*/
{
static char msg_buffer [INSTALL_MAX_MSGLEN];
static char path_buf [INSTALL_MAX_PATHLEN];
struct install_status_t status = INSTALL_STATUS_INIT;
assert (item != NULL);
/* Call info callback */
if (install_callback_info != NULL) {
(void) snprintf (msg_buffer, sizeof (msg_buffer), "symlink %s %s %s",
item->dir, item->src, item->dst);
install_callback_info (msg_buffer, install_callback_data);
}
if (getcwd (path_buf, sizeof (path_buf)) == NULL) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not get current working directory");
return status;
}
if (chdir (item->dir) == -1) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not change directory");
return status;
}
if ((flags & INSTALL_DRYRUN) == INSTALL_NO_FLAGS) {
if (platform->file_link (item->src, item->dst) == 0) {
if (chdir (path_buf) == -1) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not restore current working directory");
return status;
}
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not make symbolic link");
return status;
}
}
if (chdir (path_buf) == -1) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not restore current working directory");
return status;
}
install_status_assign (&status, INSTALL_STATUS_OK, NULL);
return status;
}
static struct install_status_t
inst_mkdir (struct install_item *item, unsigned int flags)
/*@globals errno, platform, install_callback_data; @*/
/*@modifies errno; @*/
{
static char msg_buffer [INSTALL_MAX_MSGLEN];
static char uid_str [INSTALL_FMT_UID];
static char gid_str [INSTALL_FMT_GID];
user_id_t uid = INSTALL_NULL_UID;
group_id_t gid = INSTALL_NULL_GID;
struct install_status_t status = INSTALL_STATUS_INIT;
user_id_t process_uid = INSTALL_NULL_UID;
permissions_t perms;
assert (item != NULL);
status = install_uidgid_lookup (item->owner, &uid, item->group, &gid);
if (status.status != INSTALL_STATUS_OK) return status;
uid_str [platform->uid_format (uid_str, uid)] = (char) 0;
gid_str [platform->gid_format (gid_str, gid)] = (char) 0;
/* Call info callback */
if (install_callback_info != NULL) {
(void) snprintf (msg_buffer, sizeof (msg_buffer), "mkdir %s %s %s %o", item->dir,
uid_str, gid_str, (unsigned int) item->perm);
install_callback_info (msg_buffer, install_callback_data);
}
install_permissions_assign (&perms, item->perm);
if (platform->uid_current (&process_uid) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not fetch current user ID");
goto END;
}
/* Create directory if not performing dry run */
if ((flags & INSTALL_DRYRUN) == INSTALL_NO_FLAGS) {
if (install_rmkdir (item->dir, perms) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not create directory");
goto END;
}
/* If target UID != current UID ... */
if (platform->uid_compare (process_uid, uid) == 0) {
/* If the current UID is able to set file ownership... */
if (platform->can_set_ownership (process_uid) == 1) {
if (platform->file_ownership_set (item->dir, uid, gid) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not set file ownership");
goto END;
}
} else {
install_status_assign (&status, INSTALL_STATUS_ERROR, "current user ID is restricted from setting file ownership");
goto END;
}
}
}
install_status_assign (&status, INSTALL_STATUS_OK, NULL);
END:
platform->uid_free (&uid);
platform->gid_free (&gid);
platform->uid_free (&process_uid);
return status;
}
static struct install_status_t
inst_liblink (struct install_item *item, unsigned int flags)
/*@globals errno; @*/
/*@modifies errno; @*/
{
return inst_link (item, flags);
}
/*
* Name translation callbacks
*/
static struct install_status_t
ntran_copy (struct install_item *item)
/*@globals errno, inst_fake_root; @*/
/*@modifies errno, item; @*/
{
static char src_name [INSTALL_MAX_PATHLEN];
static char dst_name [INSTALL_MAX_PATHLEN];
static char dst_tmp [INSTALL_MAX_PATHLEN];
struct install_status_t status = INSTALL_STATUS_INIT;
assert (item != NULL);
if (item->src == NULL) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "source file undefined");
return status;
}
if (item->dir == NULL) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "directory undefined");
return status;
}
if (item->dst == NULL) item->dst = item->src;
/* If source or destination file are virtual library files, build
* real library names. */
if (str_ends (item->src, ".vlb") != 0) {
if (libname (item->src, src_name) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not build library name");
return status;
}
item->src = src_name;
}
if (str_ends (item->dst, ".vlb") != 0) {
if (libname (item->dst, dst_name) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not build library name");
return status;
}
item->dst = dst_name;
}
assert (item->src != NULL);
assert (item->dst != NULL);
if (base_name (item->dst, &item->dst) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "invalid destination path");
return status;
}
assert (item->dst != NULL);
/* Build file names, possibly prefixed with fake root */
if (inst_fake_root != NULL) {
if (snprintf (dst_tmp, sizeof (dst_tmp), "%s/%s/%s",
inst_fake_root, item->dir, item->dst) < 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not format destination path");
return status;
}
} else {
if (snprintf (dst_tmp, sizeof (dst_tmp), "%s/%s", item->dir, item->dst) < 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not format destination path");
return status;
}
}
item->dst = dst_tmp;
install_status_assign (&status, INSTALL_STATUS_OK, NULL);
return status;
}
static struct install_status_t
ntran_copy_exec (struct install_item *item)
/*@globals errno, inst_exec_suffix; @*/
/*@modifies errno, item; @*/
{
static char src_name [INSTALL_MAX_PATHLEN];
static char dst_name [INSTALL_MAX_PATHLEN];
struct install_status_t status = INSTALL_STATUS_INIT;
assert (item != NULL);
/* Format basic paths */
status = ntran_copy (item);
if (status.status != INSTALL_STATUS_OK) return status;
assert (item->src != NULL);
assert (item->dst != NULL);
/* Append executable suffix if necessary */
if (snprintf (src_name, sizeof (src_name), "%s%s", item->src, inst_exec_suffix) < 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not format source path");
return status;
}
/* Format destination path */
if (snprintf (dst_name, sizeof (dst_name), "%s%s", item->dst, inst_exec_suffix) < 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not format destination path");
return status;
}
item->src = src_name;
item->dst = dst_name;
install_status_assign (&status, INSTALL_STATUS_OK, NULL);
return status;
}
static struct install_status_t
ntran_link (struct install_item *item)
{
static char dir_name [INSTALL_MAX_PATHLEN];
struct install_status_t status = INSTALL_STATUS_INIT;
assert (item != NULL);
if (item->src == NULL) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "source file undefined");
return status;
}
if (item->dir == NULL) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "directory undefined");
return status;
}
if (item->dst == NULL) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "destination file undefined");
return status;
}
/* Modify path if fake root was specified */
if (inst_fake_root != NULL) {
if (snprintf (dir_name, INSTALL_MAX_PATHLEN, "%s/%s", inst_fake_root, item->dir) < 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not format destination path");
return status;
}
item->dir = dir_name;
}
install_status_assign (&status, INSTALL_STATUS_OK, NULL);
return status;
}
static struct install_status_t
ntran_liblink (struct install_item *item)
/*@globals errno, inst_fake_root, inst_dlib_suffix; @*/
/*@modifies errno, item; @*/
{
static char dir_name [INSTALL_MAX_PATHLEN];
static char dst_tmp [INSTALL_MAX_PATHLEN];
static char src_name [INSTALL_MAX_PATHLEN];
static char src_tmp [INSTALL_MAX_PATHLEN];
struct install_status_t status = INSTALL_STATUS_INIT;
assert (item != NULL);
if (item->src == NULL) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "source file undefined");
return status;
}
if (item->dir == NULL) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "directory undefined");
return status;
}
if (item->dst == NULL) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "destination file undefined");
return status;
}
/* Modify path if fake root was specified */
if (inst_fake_root != NULL) {
if (snprintf (dir_name, INSTALL_MAX_PATHLEN, "%s/%s", inst_fake_root, item->dir) < 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not format destination path");
return status;
}
item->dir = dir_name;
}
/* If source or destination file are virtual library files, build
* real library names. */
if (str_ends (item->src, ".vlb") != 0) {
if (libname (item->src, src_tmp) == 0) {
install_status_assign (&status, INSTALL_STATUS_ERROR, "could not build library name");
return status;
}