1 /* opkg_install.c - the opkg package management system
5 Copyright (C) 2001 University of Southern California
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 2, or (at
10 your option) any later version.
12 This program is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
25 typedef void (*sighandler_t
)(int);
30 #include "pkg_extract.h"
32 #include "opkg_install.h"
33 #include "opkg_configure.h"
34 #include "opkg_download.h"
35 #include "opkg_remove.h"
37 #include "opkg_utils.h"
38 #include "opkg_message.h"
40 #include "opkg_defines.h"
42 #include "sprintf_alloc.h"
43 #include "file_util.h"
47 #include "libbb/libbb.h"
49 static int verify_pkg_installable(opkg_conf_t
*conf
, pkg_t
*pkg
);
50 static int unpack_pkg_control_files(opkg_conf_t
*conf
, pkg_t
*pkg
);
52 static int prerm_upgrade_old_pkg(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
);
53 static int prerm_upgrade_old_pkg_unwind(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
);
54 static int prerm_deconfigure_conflictors(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_vec_t
*conflictors
);
55 static int prerm_deconfigure_conflictors_unwind(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_vec_t
*conflictors
);
56 static int preinst_configure(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
);
57 static int preinst_configure_unwind(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
);
58 static int check_data_file_clashes(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
);
59 static int check_data_file_clashes_change(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
);
60 static int check_data_file_clashes_unwind(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
);
61 static int backup_modified_conffiles(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
);
62 static int backup_modified_conffiles_unwind(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
);
63 static int postrm_upgrade_old_pkg(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
);
64 static int postrm_upgrade_old_pkg_unwind(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
);
66 static int remove_obsolesced_files(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
);
67 static int install_maintainer_scripts(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
);
68 static int remove_disappeared(opkg_conf_t
*conf
, pkg_t
*pkg
);
69 static int install_data_files(opkg_conf_t
*conf
, pkg_t
*pkg
);
70 static int resolve_conffiles(opkg_conf_t
*conf
, pkg_t
*pkg
);
72 static int user_prefers_old_conffile(const char *file
, const char *backup
);
74 static char *backup_filename_alloc(const char *file_name
);
75 static int backup_make_backup(opkg_conf_t
*conf
, const char *file_name
);
76 static int backup_exists_for(const char *file_name
);
77 static int backup_remove(const char *file_name
);
80 int opkg_install_from_file(opkg_conf_t
*conf
, const char *filename
)
84 char *old_version
, *new_version
;
88 err
= pkg_init_from_file(pkg
, filename
);
93 if (!pkg
->architecture
) {
94 opkg_message(conf
, OPKG_ERROR
, "Package %s has no Architecture defined.\n", pkg
->name
);
98 /* XXX: CLEANUP: hash_insert_pkg has a nasty side effect of possibly
99 freeing the pkg that we pass in. It might be nice to clean this up
101 pkg
= hash_insert_pkg(&conf
->pkg_hash
, pkg
, 1,conf
);
102 old
= pkg_hash_fetch_installed_by_name(&conf
->pkg_hash
, pkg
->name
);
105 old_version
= pkg_version_str_alloc(old
);
106 new_version
= pkg_version_str_alloc(pkg
);
108 cmp
= pkg_compare_versions(old
, pkg
);
109 if ( (conf
->force_downgrade
==1) && (cmp
> 0) ){ /* We've been asked to allow downgrade and version is precedent */
110 cmp
= -1 ; /* then we force opkg to downgrade */
111 /* We need to use a value < 0 because in the 0 case we are asking to */
112 /* reinstall, and some check could fail asking the "force-reinstall" option */
115 opkg_message(conf
, OPKG_NOTICE
,
116 "Not downgrading package %s on %s from %s to %s.\n",
117 old
->name
, old
->dest
->name
, old_version
, new_version
);
118 pkg
->state_want
= SW_DEINSTALL
;
119 pkg
->state_flag
|= SF_OBSOLETE
;
129 opkg_message(conf
, OPKG_DEBUG2
,"Function: %s calling opkg_install_pkg \n",__FUNCTION__
);
130 return opkg_install_pkg(conf
, pkg
,0);
133 opkg_error_t
opkg_install_by_name(opkg_conf_t
*conf
, const char *pkg_name
)
137 char *old_version
, *new_version
;
139 opkg_message(conf
, OPKG_DEBUG2
, " Getting old from pkg_hash_fetch \n" );
140 old
= pkg_hash_fetch_installed_by_name(&conf
->pkg_hash
, pkg_name
);
142 opkg_message(conf
, OPKG_DEBUG2
, " Old versions from pkg_hash_fetch %s \n", old
->version
);
144 opkg_message(conf
, OPKG_DEBUG2
, " Getting new from pkg_hash_fetch \n" );
145 new = pkg_hash_fetch_best_installation_candidate_by_name(conf
, pkg_name
, &err
);
147 opkg_message(conf
, OPKG_DEBUG2
, " New versions from pkg_hash_fetch %s \n", new->version
);
149 /* Pigi Basically here is broken the version stuff.
150 What's happening is that nothing provide the version to differents
151 functions, so the returned struct is always the latest.
152 That's why the install by name don't work.
154 opkg_message(conf
, OPKG_DEBUG2
, " Versions from pkg_hash_fetch in %s ", __FUNCTION__
);
157 opkg_message(conf
, OPKG_DEBUG2
, " old %s ", old
->version
);
159 opkg_message(conf
, OPKG_DEBUG2
, " new %s ", new->version
);
160 opkg_message(conf
, OPKG_DEBUG2
, " \n");
166 return OPKG_PKG_HAS_NO_CANDIDATE
;
169 new->state_flag
|= SF_USER
;
171 old_version
= pkg_version_str_alloc(old
);
172 new_version
= pkg_version_str_alloc(new);
174 cmp
= pkg_compare_versions(old
, new);
175 if ( (conf
->force_downgrade
==1) && (cmp
> 0) ){ /* We've been asked to allow downgrade and version is precedent */
176 opkg_message(conf
, OPKG_DEBUG
, " Forcing downgrade \n");
177 cmp
= -1 ; /* then we force opkg to downgrade */
178 /* We need to use a value < 0 because in the 0 case we are asking to */
179 /* reinstall, and some check could fail asking the "force-reinstall" option */
181 opkg_message(conf
, OPKG_DEBUG
,
182 "Comparing visible versions of pkg %s:"
183 "\n\t%s is installed "
184 "\n\t%s is available "
185 "\n\t%d was comparison result\n",
186 pkg_name
, old_version
, new_version
, cmp
);
187 if (cmp
== 0 && !conf
->force_reinstall
) {
188 opkg_message(conf
, OPKG_NOTICE
,
189 "Package %s (%s) installed in %s is up to date.\n",
190 old
->name
, old_version
, old
->dest
->name
);
194 } else if (cmp
> 0) {
195 opkg_message(conf
, OPKG_NOTICE
,
196 "Not downgrading package %s on %s from %s to %s.\n",
197 old
->name
, old
->dest
->name
, old_version
, new_version
);
201 } else if (cmp
< 0) {
202 new->dest
= old
->dest
;
203 old
->state_want
= SW_DEINSTALL
; /* Here probably the problem for bug 1277 */
209 /* XXX: CLEANUP: The error code of opkg_install_by_name is really
210 supposed to be an opkg_error_t, but opkg_install_pkg could
211 return any kind of integer, (might be errno from a syscall,
212 etc.). This is a real mess and will need to be cleaned up if
213 anyone ever wants to make a nice libopkg. */
215 opkg_message(conf
, OPKG_DEBUG2
,"Function: %s calling opkg_install_pkg \n",__FUNCTION__
);
216 return opkg_install_pkg(conf
, new,0);
219 opkg_error_t
opkg_install_multi_by_name(opkg_conf_t
*conf
, const char *pkg_name
)
221 abstract_pkg_vec_t
*providers
= pkg_hash_fetch_all_installation_candidates (&conf
->pkg_hash
, pkg_name
);
224 abstract_pkg_t
*ppkg
;
226 if (providers
== NULL
)
227 return OPKG_PKG_HAS_NO_CANDIDATE
;
229 for (i
= 0; i
< providers
->len
; i
++) {
230 ppkg
= abstract_pkg_vec_get(providers
, i
);
231 opkg_message(conf
, OPKG_DEBUG2
,"Function: %s calling opkg_install_by_name %d \n",__FUNCTION__
, i
);
232 err
= opkg_install_by_name(conf
, ppkg
->name
);
235 /* XXX Maybe ppkg should be freed ? */
241 * Walk dependence graph starting with pkg, collect packages to be
242 * installed into pkgs_needed, in dependence order.
244 int pkg_mark_dependencies_for_installation(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_vec_t
*pkgs_needed
)
247 pkg_vec_t
*depends
= pkg_vec_alloc();
248 char **unresolved
= NULL
;
251 ndepends
= pkg_hash_fetch_unsatisfied_dependencies(conf
,
256 opkg_message(conf
, OPKG_ERROR
,
257 "%s: Cannot satisfy the following dependencies for %s:\n\t",
258 conf
->force_depends
? "Warning" : "ERROR", pkg
->name
);
259 while (*unresolved
) {
260 opkg_message(conf
, OPKG_ERROR
, " %s", *unresolved
);
263 opkg_message(conf
, OPKG_ERROR
, "\n");
264 if (! conf
->force_depends
) {
265 opkg_message(conf
, OPKG_INFO
,
266 "This could mean that your package list is out of date or that the packages\n"
267 "mentioned above do not yet exist (try 'opkg update'). To proceed in spite\n"
268 "of this problem try again with the '-force-depends' option.\n");
269 pkg_vec_free(depends
);
270 return OPKG_PKG_DEPS_UNSATISFIED
;
275 pkg_vec_free(depends
);
279 for (i
= 0; i
< depends
->len
; i
++) {
280 pkg_t
*dep
= depends
->pkgs
[i
];
281 /* The package was uninstalled when we started, but another
282 dep earlier in this loop may have depended on it and pulled
283 it in, so check first. */
284 if ((dep
->state_status
!= SS_INSTALLED
)
285 && (dep
->state_status
!= SS_UNPACKED
)
286 && (dep
->state_want
!= SW_INSTALL
)) {
288 /* Mark packages as to-be-installed */
289 dep
->state_want
= SW_INSTALL
;
291 /* Dependencies should be installed the same place as pkg */
292 if (dep
->dest
== NULL
) {
293 dep
->dest
= pkg
->dest
;
296 err
= pkg_mark_dependencies_for_installation(conf
, dep
, pkgs_needed
);
298 pkg_vec_free(depends
);
304 pkg_vec_insert(pkgs_needed
, pkg
);
306 pkg_vec_free(depends
);
311 int satisfy_dependencies_for(opkg_conf_t
*conf
, pkg_t
*pkg
)
314 pkg_vec_t
*depends
= pkg_vec_alloc();
316 char **unresolved
= NULL
;
319 ndepends
= pkg_hash_fetch_unsatisfied_dependencies(conf
,
324 opkg_message(conf
, OPKG_ERROR
,
325 "%s: Cannot satisfy the following dependencies for %s:\n\t",
326 conf
->force_depends
? "Warning" : "ERROR", pkg
->name
);
327 while (*unresolved
) {
328 opkg_message(conf
, OPKG_ERROR
, " %s", *unresolved
);
331 opkg_message(conf
, OPKG_ERROR
, "\n");
332 if (! conf
->force_depends
) {
333 opkg_message(conf
, OPKG_INFO
,
334 "This could mean that your package list is out of date or that the packages\n"
335 "mentioned above do not yet exist (try 'opkg update'). To proceed in spite\n"
336 "of this problem try again with the '-force-depends' option.\n");
337 pkg_vec_free(depends
);
338 return OPKG_PKG_DEPS_UNSATISFIED
;
343 pkg_vec_free(depends
);
347 /* Mark packages as to-be-installed */
348 for (i
=0; i
< depends
->len
; i
++) {
349 /* Dependencies should be installed the same place as pkg */
350 if (depends
->pkgs
[i
]->dest
== NULL
) {
351 depends
->pkgs
[i
]->dest
= pkg
->dest
;
353 depends
->pkgs
[i
]->state_want
= SW_INSTALL
;
356 for (i
= 0; i
< depends
->len
; i
++) {
357 dep
= depends
->pkgs
[i
];
358 /* The package was uninstalled when we started, but another
359 dep earlier in this loop may have depended on it and pulled
360 it in, so check first. */
361 if ((dep
->state_status
!= SS_INSTALLED
)
362 && (dep
->state_status
!= SS_UNPACKED
)) {
363 opkg_message(conf
, OPKG_DEBUG2
,"Function: %s calling opkg_install_pkg \n",__FUNCTION__
);
364 err
= opkg_install_pkg(conf
, dep
,0);
365 /* mark this package as having been automatically installed to
366 * satisfy a dependancy */
367 dep
->auto_installed
= 1;
369 pkg_vec_free(depends
);
375 pkg_vec_free(depends
);
381 /* check all packages have their dependences satisfied, e.g., in case an upgraded package split */
382 int opkg_satisfy_all_dependences(opkg_conf_t
*conf
)
384 if (conf
->nodeps
== 0) {
386 pkg_vec_t
*installed
= pkg_vec_alloc();
387 pkg_hash_fetch_all_installed(&conf
->pkg_hash
, installed
);
388 for (i
= 0; i
< installed
->len
; i
++) {
389 pkg_t
*pkg
= installed
->pkgs
[i
];
390 satisfy_dependencies_for(conf
, pkg
);
392 pkg_vec_free(installed
);
398 static int check_conflicts_for(opkg_conf_t
*conf
, pkg_t
*pkg
)
401 pkg_vec_t
*conflicts
= NULL
;
404 if (conf
->force_depends
) {
412 if (!conf
->force_depends
)
413 conflicts
= (pkg_vec_t
*)pkg_hash_fetch_conflicts(&conf
->pkg_hash
, pkg
);
416 opkg_message(conf
, level
,
417 "%s: The following packages conflict with %s:\n\t", prefix
, pkg
->name
);
419 while (i
< conflicts
->len
)
420 opkg_message(conf
, level
, " %s", conflicts
->pkgs
[i
++]->name
);
421 opkg_message(conf
, level
, "\n");
422 pkg_vec_free(conflicts
);
423 return OPKG_PKG_DEPS_UNSATISFIED
;
428 static int update_file_ownership(opkg_conf_t
*conf
, pkg_t
*new_pkg
, pkg_t
*old_pkg
)
430 str_list_t
*new_list
= pkg_get_installed_files(conf
, new_pkg
);
431 str_list_elt_t
*iter
, *niter
;
433 for (iter
= str_list_first(new_list
), niter
= str_list_next(new_list
, iter
);
435 iter
= niter
, niter
= str_list_next(new_list
, niter
)) {
436 char *new_file
= (char *)iter
->data
;
437 pkg_t
*owner
= file_hash_get_file_owner(conf
, new_file
);
439 opkg_message(conf
, OPKG_ERROR
, "Null new_file for new_pkg=%s\n", new_pkg
->name
);
440 if (!owner
|| (owner
== old_pkg
))
441 file_hash_set_file_owner(conf
, new_file
, new_pkg
);
444 str_list_t
*old_list
= pkg_get_installed_files(conf
, old_pkg
);
445 for (iter
= str_list_first(old_list
), niter
= str_list_next(old_list
, iter
);
447 iter
= niter
, niter
= str_list_next(old_list
, niter
)) {
448 char *old_file
= (char *)iter
->data
;
449 pkg_t
*owner
= file_hash_get_file_owner(conf
, old_file
);
450 if (owner
== old_pkg
) {
452 hash_table_insert(&conf
->obs_file_hash
, old_file
, old_pkg
);
455 pkg_free_installed_files(old_pkg
);
457 pkg_free_installed_files(new_pkg
);
461 static int verify_pkg_installable(opkg_conf_t
*conf
, pkg_t
*pkg
)
463 /* XXX: FEATURE: Anything else needed here? Maybe a check on free space? */
465 /* sma 6.20.02: yup; here's the first bit */
467 * XXX: BUG easy for cworth
468 * 1) please point the call below to the correct current root destination
469 * 2) we need to resolve how to check the required space for a pending pkg,
470 * my diddling with the .opk file size below isn't going to cut it.
471 * 3) return a proper error code instead of 1
473 int comp_size
, blocks_available
;
476 if (!conf
->force_space
&& pkg
->installed_size
!= NULL
) {
477 root_dir
= pkg
->dest
? pkg
->dest
->root_dir
: conf
->default_dest
->root_dir
;
478 blocks_available
= get_available_blocks(root_dir
);
480 comp_size
= strtoul(pkg
->installed_size
, NULL
, 0);
481 /* round up a blocks count without doing fancy-but-slow casting jazz */
482 comp_size
= (int)((comp_size
+ 1023) / 1024);
484 if (comp_size
>= blocks_available
) {
485 opkg_message(conf
, OPKG_ERROR
,
486 "Only have %d available blocks on filesystem %s, pkg %s needs %d\n",
487 blocks_available
, root_dir
, pkg
->name
, comp_size
);
494 static int unpack_pkg_control_files(opkg_conf_t
*conf
, pkg_t
*pkg
)
497 char *conffiles_file_name
;
499 FILE *conffiles_file
;
501 sprintf_alloc(&pkg
->tmp_unpack_dir
, "%s/%s-XXXXXX", conf
->tmp_dir
, pkg
->name
);
503 pkg
->tmp_unpack_dir
= mkdtemp(pkg
->tmp_unpack_dir
);
504 if (pkg
->tmp_unpack_dir
== NULL
) {
505 opkg_message(conf
, OPKG_ERROR
,
506 "%s: Failed to create temporary directory '%s': %s\n",
507 __FUNCTION__
, pkg
->tmp_unpack_dir
, strerror(errno
));
511 err
= pkg_extract_control_files_to_dir(pkg
, pkg
->tmp_unpack_dir
);
516 /* XXX: CLEANUP: There might be a cleaner place to read in the
517 conffiles. Seems like I should be able to get everything to go
518 through pkg_init_from_file. If so, maybe it would make sense to
519 move all of unpack_pkg_control_files to that function. */
521 /* Don't need to re-read conffiles if we already have it */
522 if (!nv_pair_list_empty(&pkg
->conffiles
)) {
526 sprintf_alloc(&conffiles_file_name
, "%s/conffiles", pkg
->tmp_unpack_dir
);
527 if (! file_exists(conffiles_file_name
)) {
528 free(conffiles_file_name
);
532 conffiles_file
= fopen(conffiles_file_name
, "r");
533 if (conffiles_file
== NULL
) {
534 fprintf(stderr
, "%s: failed to open %s: %s\n",
535 __FUNCTION__
, conffiles_file_name
, strerror(errno
));
536 free(conffiles_file_name
);
539 free(conffiles_file_name
);
543 char *cf_name_in_dest
;
545 cf_name
= file_read_line_alloc(conffiles_file
);
546 if (cf_name
== NULL
) {
550 if (cf_name
[0] == '\0') {
554 /* Prepend dest->root_dir to conffile name.
555 Take pains to avoid multiple slashes. */
556 root_dir
= pkg
->dest
->root_dir
;
557 if (conf
->offline_root
)
558 /* skip the offline_root prefix */
559 root_dir
= pkg
->dest
->root_dir
+ strlen(conf
->offline_root
);
560 sprintf_alloc(&cf_name_in_dest
, "%s%s", root_dir
,
561 cf_name
[0] == '/' ? (cf_name
+ 1) : cf_name
);
563 /* Can't get an md5sum now, (file isn't extracted yet).
564 We'll wait until resolve_conffiles */
565 conffile_list_append(&pkg
->conffiles
, cf_name_in_dest
, NULL
);
568 free(cf_name_in_dest
);
571 fclose(conffiles_file
);
577 * Remove packages which were auto_installed due to a dependency by old_pkg,
578 * which are no longer a dependency in the new (upgraded) pkg.
581 pkg_remove_orphan_dependent(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
)
583 int i
, j
, k
, l
, found
;
586 struct compound_depend
*cd0
, *cd1
;
587 abstract_pkg_t
**dependents
;
589 int count0
= old_pkg
->pre_depends_count
+
590 old_pkg
->depends_count
+
591 old_pkg
->recommends_count
+
592 old_pkg
->suggests_count
;
593 int count1
= pkg
->pre_depends_count
+
595 pkg
->recommends_count
+
598 for (i
=0; i
<count0
; i
++) {
599 cd0
= &old_pkg
->depends
[i
];
600 if (cd0
->type
!= DEPEND
)
602 for (j
=0; j
<cd0
->possibility_count
; j
++) {
606 for (k
=0; k
<count1
; k
++) {
607 cd1
= &pkg
->depends
[i
];
608 if (cd1
->type
!= DEPEND
)
610 for (l
=0; l
<cd1
->possibility_count
; l
++) {
611 if (cd0
->possibilities
[j
]
612 == cd1
->possibilities
[l
]) {
625 * old_pkg has a dependency that pkg does not.
627 p
= pkg_hash_fetch_installed_by_name (&conf
->pkg_hash
,
628 cd0
->possibilities
[j
]->pkg
->name
);
633 if (!p
->auto_installed
)
636 n_deps
= pkg_has_installed_dependents(conf
, NULL
, p
,
638 n_deps
--; /* don't count old_pkg */
641 opkg_message (conf
, OPKG_NOTICE
,
642 "%s was autoinstalled and is "
643 "now orphaned, removing.\n",
646 /* p has one installed dependency (old_pkg),
647 * which we need to ignore during removal. */
648 p
->state_flag
|= SF_REPLACE
;
650 opkg_remove_pkg(conf
, p
, 0);
652 opkg_message(conf
, OPKG_INFO
,
653 "%s was autoinstalled and is "
654 "still required by %d "
655 "installed packages.\n",
664 /* returns number of installed replacees */
665 int pkg_get_installed_replacees(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_vec_t
*installed_replacees
)
667 abstract_pkg_t
**replaces
= pkg
->replaces
;
668 int replaces_count
= pkg
->replaces_count
;
670 for (i
= 0; i
< replaces_count
; i
++) {
671 abstract_pkg_t
*ab_pkg
= replaces
[i
];
672 pkg_vec_t
*pkg_vec
= ab_pkg
->pkgs
;
674 for (j
= 0; j
< pkg_vec
->len
; j
++) {
675 pkg_t
*replacee
= pkg_vec
->pkgs
[j
];
676 if (!pkg_conflicts(pkg
, replacee
))
678 if (replacee
->state_status
== SS_INSTALLED
) {
679 pkg_vec_insert(installed_replacees
, replacee
);
684 return installed_replacees
->len
;
687 int pkg_remove_installed_replacees(opkg_conf_t
*conf
, pkg_vec_t
*replacees
)
690 int replaces_count
= replacees
->len
;
691 for (i
= 0; i
< replaces_count
; i
++) {
692 pkg_t
*replacee
= replacees
->pkgs
[i
];
694 replacee
->state_flag
|= SF_REPLACE
; /* flag it so remove won't complain */
695 err
= opkg_remove_pkg(conf
, replacee
,0);
702 /* to unwind the removal: make sure they are installed */
703 int pkg_remove_installed_replacees_unwind(opkg_conf_t
*conf
, pkg_vec_t
*replacees
)
706 int replaces_count
= replacees
->len
;
707 for (i
= 0; i
< replaces_count
; i
++) {
708 pkg_t
*replacee
= replacees
->pkgs
[i
];
709 if (replacee
->state_status
!= SS_INSTALLED
) {
710 opkg_message(conf
, OPKG_DEBUG2
,"Function: %s calling opkg_install_pkg \n",__FUNCTION__
);
711 err
= opkg_install_pkg(conf
, replacee
,0);
719 /* compares versions of pkg and old_pkg, returns 0 if OK to proceed with installation of pkg, 1 otherwise */
720 static int opkg_install_check_downgrade(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
, int message
)
723 char message_out
[15];
724 char *old_version
= pkg_version_str_alloc(old_pkg
);
725 char *new_version
= pkg_version_str_alloc(pkg
);
726 int cmp
= pkg_compare_versions(old_pkg
, pkg
);
729 memset(message_out
,'\x0',15);
730 strncpy (message_out
,"Upgrading ",strlen("Upgrading "));
731 if ( (conf
->force_downgrade
==1) && (cmp
> 0) ){ /* We've been asked to allow downgrade and version is precedent */
732 cmp
= -1 ; /* then we force opkg to downgrade */
733 strncpy (message_out
,"Downgrading ",strlen("Downgrading ")); /* We need to use a value < 0 because in the 0 case we are asking to */
734 /* reinstall, and some check could fail asking the "force-reinstall" option */
738 opkg_message(conf
, OPKG_NOTICE
,
739 "Not downgrading package %s on %s from %s to %s.\n",
740 old_pkg
->name
, old_pkg
->dest
->name
, old_version
, new_version
);
742 } else if (cmp
< 0) {
743 opkg_message(conf
, OPKG_NOTICE
,
744 "%s%s on %s from %s to %s...\n",
745 message_out
, pkg
->name
, old_pkg
->dest
->name
, old_version
, new_version
);
746 pkg
->dest
= old_pkg
->dest
;
748 } else /* cmp == 0 */ {
749 if (conf
->force_reinstall
) {
750 opkg_message(conf
, OPKG_NOTICE
,
751 "Reinstalling %s (%s) on %s...\n",
752 pkg
->name
, new_version
, old_pkg
->dest
->name
);
753 pkg
->dest
= old_pkg
->dest
;
756 opkg_message(conf
, OPKG_NOTICE
,
757 "Not installing %s (%s) on %s -- already installed.\n",
758 pkg
->name
, new_version
, old_pkg
->dest
->name
);
766 char message_out
[15] ;
767 memset(message_out
,'\x0',15);
769 strncpy( message_out
,"Upgrading ",strlen("Upgrading ") );
771 strncpy( message_out
,"Installing ",strlen("Installing ") );
772 char *version
= pkg_version_str_alloc(pkg
);
774 opkg_message(conf
, OPKG_NOTICE
,
775 "%s%s (%s) to %s...\n", message_out
,
776 pkg
->name
, version
, pkg
->dest
->name
);
783 * @brief Really install a pkg_t
785 int opkg_install_pkg(opkg_conf_t
*conf
, pkg_t
*pkg
, int from_upgrade
)
789 pkg_t
*old_pkg
= NULL
;
790 pkg_vec_t
*replacees
;
791 abstract_pkg_t
*ab_pkg
= NULL
;
799 message
= 1; /* Coming from an upgrade, and should change the output message */
802 opkg_message(conf
, OPKG_ERROR
,
803 "INTERNAL ERROR: null pkg passed to opkg_install_pkg\n");
804 return OPKG_INSTALL_ERR_INTERNAL
;
807 opkg_message(conf
, OPKG_DEBUG2
, "Function: %s calling pkg_arch_supported %s \n", __FUNCTION__
, __FUNCTION__
);
809 if (!pkg_arch_supported(conf
, pkg
)) {
810 opkg_message(conf
, OPKG_ERROR
, "INTERNAL ERROR: architecture %s for pkg %s is unsupported.\n",
811 pkg
->architecture
, pkg
->name
);
812 return OPKG_INSTALL_ERR_INTERNAL
;
814 if (pkg
->state_status
== SS_INSTALLED
&& conf
->force_reinstall
== 0 && conf
->nodeps
== 0) {
815 err
= satisfy_dependencies_for(conf
, pkg
);
816 if (err
) { return OPKG_INSTALL_ERR_DEPENDENCIES
; }
818 opkg_message(conf
, OPKG_NOTICE
,
819 "Package %s is already installed in %s.\n",
820 pkg
->name
, pkg
->dest
->name
);
824 if (pkg
->dest
== NULL
) {
825 pkg
->dest
= conf
->default_dest
;
828 old_pkg
= pkg_hash_fetch_installed_by_name(&conf
->pkg_hash
, pkg
->name
);
830 err
= opkg_install_check_downgrade(conf
, pkg
, old_pkg
, message
);
831 if (err
) { return OPKG_INSTALL_ERR_NO_DOWNGRADE
; }
833 pkg
->state_want
= SW_INSTALL
;
835 old_pkg
->state_want
= SW_DEINSTALL
; /* needed for check_data_file_clashes of dependences */
839 /* Abhaya: conflicts check */
840 err
= check_conflicts_for(conf
, pkg
);
841 if (err
) { return OPKG_INSTALL_ERR_CONFLICTS
; }
843 /* this setup is to remove the upgrade scenario in the end when
844 installing pkg A, A deps B & B deps on A. So both B and A are
845 installed. Then A's installation is started resulting in an
846 uncecessary upgrade */
847 if (pkg
->state_status
== SS_INSTALLED
848 && conf
->force_reinstall
== 0) return 0;
850 err
= verify_pkg_installable(conf
, pkg
);
851 if (err
) { return OPKG_INSTALL_ERR_NO_SPACE
; }
853 if (pkg
->local_filename
== NULL
) {
854 err
= opkg_download_pkg(conf
, pkg
, conf
->tmp_dir
);
856 opkg_message(conf
, OPKG_ERROR
,
857 "Failed to download %s. Perhaps you need to run 'opkg update'?\n",
859 return OPKG_INSTALL_ERR_DOWNLOAD
;
863 /* check that the repository is valid */
864 #if defined(HAVE_GPGME) || defined(HAVE_OPENSSL)
865 char *list_file_name
, *sig_file_name
, *lists_dir
;
867 /* check to ensure the package has come from a repository */
868 if (conf
->check_signature
&& pkg
->src
)
870 sprintf_alloc (&lists_dir
, "%s",
871 (conf
->restrict_to_default_dest
)
872 ? conf
->default_dest
->lists_dir
874 sprintf_alloc (&list_file_name
, "%s/%s", lists_dir
, pkg
->src
->name
);
875 sprintf_alloc (&sig_file_name
, "%s/%s.sig", lists_dir
, pkg
->src
->name
);
877 if (file_exists (sig_file_name
))
879 if (opkg_verify_file (conf
, list_file_name
, sig_file_name
)){
880 opkg_message(conf
, OPKG_ERROR
, "Failed to verify the signature of: %s\n",
882 return OPKG_INSTALL_ERR_SIGNATURE
;
885 opkg_message(conf
, OPKG_ERROR
, "Signature file is missing. "
886 "Perhaps you need to run 'opkg update'?\n");
887 return OPKG_INSTALL_ERR_SIGNATURE
;
891 free (list_file_name
);
892 free (sig_file_name
);
896 /* Check for md5 values */
899 file_md5
= file_md5sum_alloc(pkg
->local_filename
);
900 if (file_md5
&& strcmp(file_md5
, pkg
->md5sum
))
902 opkg_message(conf
, OPKG_ERROR
,
903 "Package %s md5sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
906 return OPKG_INSTALL_ERR_MD5
;
913 /* Check for sha256 value */
916 file_sha256
= file_sha256sum_alloc(pkg
->local_filename
);
917 if (file_sha256
&& strcmp(file_sha256
, pkg
->sha256sum
))
919 opkg_message(conf
, OPKG_ERROR
,
920 "Package %s sha256sum mismatch. Either the opkg or the package index are corrupt. Try 'opkg update'.\n",
923 return OPKG_INSTALL_ERR_SHA256
;
930 if (pkg
->tmp_unpack_dir
== NULL
) {
931 unpack_pkg_control_files(conf
, pkg
);
934 /* We should update the filelist here, so that upgrades of packages that split will not fail. -Jamey 27-MAR-03 */
935 /* Pigi: check if it will pass from here when replacing. It seems to fail */
936 /* That's rather strange that files don't change owner. Investigate !!!!!!*/
937 err
= update_file_ownership(conf
, pkg
, old_pkg
);
938 if (err
) { return OPKG_ERR_UNKNOWN
; }
940 if (conf
->nodeps
== 0) {
941 err
= satisfy_dependencies_for(conf
, pkg
);
942 if (err
) { return OPKG_INSTALL_ERR_DEPENDENCIES
; }
943 if (pkg
->state_status
== SS_UNPACKED
)
944 /* Circular dependency has installed it for us. */
948 replacees
= pkg_vec_alloc();
949 pkg_get_installed_replacees(conf
, pkg
, replacees
);
951 /* this next section we do with SIGINT blocked to prevent inconsistency between opkg database and filesystem */
953 sigset_t newset
, oldset
;
955 sigemptyset(&newset
);
956 sigaddset(&newset
, SIGINT
);
957 sigprocmask(SIG_BLOCK
, &newset
, &oldset
);
959 opkg_state_changed
++;
960 pkg
->state_flag
|= SF_FILELIST_CHANGED
;
963 pkg_remove_orphan_dependent(conf
, pkg
, old_pkg
);
965 /* XXX: BUG: we really should treat replacement more like an upgrade
966 * Instead, we're going to remove the replacees
968 err
= pkg_remove_installed_replacees(conf
, replacees
);
969 if (err
) goto UNWIND_REMOVE_INSTALLED_REPLACEES
;
971 err
= prerm_upgrade_old_pkg(conf
, pkg
, old_pkg
);
972 if (err
) goto UNWIND_PRERM_UPGRADE_OLD_PKG
;
974 err
= prerm_deconfigure_conflictors(conf
, pkg
, replacees
);
975 if (err
) goto UNWIND_PRERM_DECONFIGURE_CONFLICTORS
;
977 err
= preinst_configure(conf
, pkg
, old_pkg
);
978 if (err
) goto UNWIND_PREINST_CONFIGURE
;
980 err
= backup_modified_conffiles(conf
, pkg
, old_pkg
);
981 if (err
) goto UNWIND_BACKUP_MODIFIED_CONFFILES
;
983 err
= check_data_file_clashes(conf
, pkg
, old_pkg
);
984 if (err
) goto UNWIND_CHECK_DATA_FILE_CLASHES
;
986 err
= postrm_upgrade_old_pkg(conf
, pkg
, old_pkg
);
987 if (err
) goto UNWIND_POSTRM_UPGRADE_OLD_PKG
;
989 if (conf
->noaction
) return 0;
991 /* point of no return: no unwinding after this */
992 if (old_pkg
&& !conf
->force_reinstall
) {
993 old_pkg
->state_want
= SW_DEINSTALL
;
995 if (old_pkg
->state_flag
& SF_NOPRUNE
) {
996 opkg_message(conf
, OPKG_INFO
,
997 " not removing obsolesced files because package marked noprune\n");
999 opkg_message(conf
, OPKG_INFO
,
1000 " removing obsolesced files\n");
1001 remove_obsolesced_files(conf
, pkg
, old_pkg
);
1003 /* removing files from old package, to avoid ghost files */
1004 remove_data_files_and_list(conf
, old_pkg
);
1005 /* Pigi : It should be better to remove also maintainer and postrem scripts here, just in case*/
1006 remove_maintainer_scripts_except_postrm(conf
, old_pkg
);
1007 remove_postrm(conf
, old_pkg
);
1013 opkg_message(conf
, OPKG_INFO
,
1014 " installing maintainer scripts\n");
1015 install_maintainer_scripts(conf
, pkg
, old_pkg
);
1017 /* the following just returns 0 */
1018 remove_disappeared(conf
, pkg
);
1020 opkg_message(conf
, OPKG_INFO
,
1021 " installing data files\n");
1022 install_data_files(conf
, pkg
);
1024 /* read comments from function for detail but I will execute this here as all other tests are ok.*/
1025 err
= check_data_file_clashes_change(conf
, pkg
, old_pkg
);
1027 opkg_message(conf
, OPKG_INFO
,
1028 " resolving conf files\n");
1029 resolve_conffiles(conf
, pkg
);
1031 pkg
->state_status
= SS_UNPACKED
;
1032 old_state_flag
= pkg
->state_flag
;
1033 pkg
->state_flag
&= ~SF_PREFER
;
1034 opkg_message(conf
, OPKG_DEBUG
, " pkg=%s old_state_flag=%x state_flag=%x\n", pkg
->name
, old_state_flag
, pkg
->state_flag
);
1036 if (old_pkg
&& !conf
->force_reinstall
) {
1037 old_pkg
->state_status
= SS_NOT_INSTALLED
;
1040 time(&pkg
->installed_time
);
1042 ab_pkg
= pkg
->parent
;
1044 ab_pkg
->state_status
= pkg
->state_status
;
1046 opkg_message(conf
, OPKG_INFO
, "Done.\n");
1048 sigprocmask(SIG_UNBLOCK
, &newset
, &oldset
);
1049 pkg_vec_free (replacees
);
1053 UNWIND_POSTRM_UPGRADE_OLD_PKG
:
1054 postrm_upgrade_old_pkg_unwind(conf
, pkg
, old_pkg
);
1055 UNWIND_CHECK_DATA_FILE_CLASHES
:
1056 check_data_file_clashes_unwind(conf
, pkg
, old_pkg
);
1057 UNWIND_BACKUP_MODIFIED_CONFFILES
:
1058 backup_modified_conffiles_unwind(conf
, pkg
, old_pkg
);
1059 UNWIND_PREINST_CONFIGURE
:
1060 preinst_configure_unwind(conf
, pkg
, old_pkg
);
1061 UNWIND_PRERM_DECONFIGURE_CONFLICTORS
:
1062 prerm_deconfigure_conflictors_unwind(conf
, pkg
, replacees
);
1063 UNWIND_PRERM_UPGRADE_OLD_PKG
:
1064 prerm_upgrade_old_pkg_unwind(conf
, pkg
, old_pkg
);
1065 UNWIND_REMOVE_INSTALLED_REPLACEES
:
1066 pkg_remove_installed_replacees_unwind(conf
, replacees
);
1068 opkg_message(conf
, OPKG_INFO
,
1071 sigprocmask(SIG_UNBLOCK
, &newset
, &oldset
);
1073 pkg_vec_free (replacees
);
1074 return OPKG_ERR_UNKNOWN
;
1078 static int prerm_upgrade_old_pkg(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
)
1080 /* DPKG_INCOMPATIBILITY:
1081 dpkg does some things here that we don't do yet. Do we care?
1083 1. If a version of the package is already installed, call
1084 old-prerm upgrade new-version
1085 2. If the script runs but exits with a non-zero exit status
1086 new-prerm failed-upgrade old-version
1087 Error unwind, for both the above cases:
1088 old-postinst abort-upgrade new-version
1093 static int prerm_upgrade_old_pkg_unwind(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
)
1095 /* DPKG_INCOMPATIBILITY:
1096 dpkg does some things here that we don't do yet. Do we care?
1097 (See prerm_upgrade_old_package for details)
1102 static int prerm_deconfigure_conflictors(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_vec_t
*conflictors
)
1104 /* DPKG_INCOMPATIBILITY:
1105 dpkg does some things here that we don't do yet. Do we care?
1106 2. If a 'conflicting' package is being removed at the same time:
1107 1. If any packages depended on that conflicting package and
1108 --auto-deconfigure is specified, call, for each such package:
1109 deconfigured's-prerm deconfigure \
1110 in-favour package-being-installed version \
1111 removing conflicting-package version
1113 deconfigured's-postinst abort-deconfigure \
1114 in-favour package-being-installed-but-failed version \
1115 removing conflicting-package version
1117 The deconfigured packages are marked as requiring
1118 configuration, so that if --install is used they will be
1119 configured again if possible.
1120 2. To prepare for removal of the conflicting package, call:
1121 conflictor's-prerm remove in-favour package new-version
1123 conflictor's-postinst abort-remove in-favour package new-version
1128 static int prerm_deconfigure_conflictors_unwind(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_vec_t
*conflictors
)
1130 /* DPKG_INCOMPATIBILITY: dpkg does some things here that we don't
1131 do yet. Do we care? (See prerm_deconfigure_conflictors for
1136 static int preinst_configure(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
)
1142 char *old_version
= pkg_version_str_alloc(old_pkg
);
1143 sprintf_alloc(&preinst_args
, "upgrade %s", old_version
);
1145 } else if (pkg
->state_status
== SS_CONFIG_FILES
) {
1146 char *pkg_version
= pkg_version_str_alloc(pkg
);
1147 sprintf_alloc(&preinst_args
, "install %s", pkg_version
);
1150 preinst_args
= xstrdup("install");
1153 err
= pkg_run_script(conf
, pkg
, "preinst", preinst_args
);
1155 opkg_message(conf
, OPKG_ERROR
,
1156 "Aborting installation of %s\n", pkg
->name
);
1165 static int preinst_configure_unwind(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
)
1167 /* DPKG_INCOMPATIBILITY:
1168 dpkg does the following error unwind, should we?
1169 pkg->postrm abort-upgrade old-version
1170 OR pkg->postrm abort-install old-version
1171 OR pkg->postrm abort-install
1176 static int backup_modified_conffiles(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
)
1179 conffile_list_elt_t
*iter
;
1182 if (conf
->noaction
) return 0;
1184 /* Backup all modified conffiles */
1186 for (iter
= nv_pair_list_first(&old_pkg
->conffiles
); iter
; iter
= nv_pair_list_next(&old_pkg
->conffiles
, iter
)) {
1190 cf_name
= root_filename_alloc(conf
, cf
->name
);
1192 /* Don't worry if the conffile is just plain gone */
1193 if (file_exists(cf_name
) && conffile_has_been_modified(conf
, cf
)) {
1194 err
= backup_make_backup(conf
, cf_name
);
1203 /* Backup all conffiles that were not conffiles in old_pkg */
1204 for (iter
= nv_pair_list_first(&pkg
->conffiles
); iter
; iter
= nv_pair_list_next(&pkg
->conffiles
, iter
)) {
1206 cf
= (conffile_t
*)iter
->data
;
1207 cf_name
= root_filename_alloc(conf
, cf
->name
);
1208 /* Ignore if this was a conffile in old_pkg as well */
1209 if (pkg_get_conffile(old_pkg
, cf
->name
)) {
1213 if (file_exists(cf_name
) && (! backup_exists_for(cf_name
))) {
1214 err
= backup_make_backup(conf
, cf_name
);
1225 static int backup_modified_conffiles_unwind(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
)
1227 conffile_list_elt_t
*iter
;
1230 for (iter
= nv_pair_list_first(&old_pkg
->conffiles
); iter
; iter
= nv_pair_list_next(&old_pkg
->conffiles
, iter
)) {
1231 backup_remove(((nv_pair_t
*)iter
->data
)->name
);
1235 for (iter
= nv_pair_list_first(&pkg
->conffiles
); iter
; iter
= nv_pair_list_next(&pkg
->conffiles
, iter
)) {
1236 backup_remove(((nv_pair_t
*)iter
->data
)->name
);
1243 static int check_data_file_clashes(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
)
1245 /* DPKG_INCOMPATIBILITY:
1246 opkg takes a slightly different approach than dpkg at this
1247 point. dpkg installs each file in the new package while
1248 creating a backup for any file that is replaced, (so that it
1249 can unwind if necessary). To avoid complexity and redundant
1250 storage, opkg doesn't do any installation until later, (at the
1251 point at which dpkg removes the backups.
1253 But, we do have to check for data file clashes, since after
1254 installing a package with a file clash, removing either of the
1255 packages involved in the clash has the potential to break the
1258 str_list_t
*files_list
;
1259 str_list_elt_t
*iter
, *niter
;
1263 files_list
= pkg_get_installed_files(conf
, pkg
);
1264 for (iter
= str_list_first(files_list
), niter
= str_list_next(files_list
, iter
);
1266 iter
= niter
, niter
= str_list_next(files_list
, iter
)) {
1267 char *root_filename
;
1268 char *filename
= (char *) iter
->data
;
1269 root_filename
= root_filename_alloc(conf
, filename
);
1270 if (file_exists(root_filename
) && (! file_is_dir(root_filename
))) {
1273 /* Pre-existing conffiles are OK */
1274 /* @@@@ should have way to check that it is a conffile -Jamey */
1275 if (backup_exists_for(root_filename
)) {
1279 /* Pre-existing files are OK if force-overwrite was asserted. */
1280 if (conf
->force_overwrite
) {
1281 /* but we need to change who owns this file */
1282 file_hash_set_file_owner(conf
, filename
, pkg
);
1286 owner
= file_hash_get_file_owner(conf
, filename
);
1288 /* Pre-existing files are OK if owned by the pkg being upgraded. */
1289 if (owner
&& old_pkg
) {
1290 if (strcmp(owner
->name
, old_pkg
->name
) == 0) {
1295 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1297 opkg_message(conf
, OPKG_DEBUG2
, "Checking for replaces for %s in package %s\n", filename
, owner
->name
);
1298 if (pkg_replaces(pkg
, owner
)) {
1301 /* If the file that would be installed is owned by the same package, ( as per a reinstall or similar )
1302 then it's ok to overwrite. */
1303 if (strcmp(owner
->name
,pkg
->name
)==0){
1304 opkg_message(conf
, OPKG_INFO
, "Replacing pre-existing file %s owned by package %s\n", filename
, owner
->name
);
1309 /* Pre-existing files are OK if they are obsolete */
1310 obs
= hash_table_get(&conf
->obs_file_hash
, filename
);
1312 opkg_message(conf
, OPKG_INFO
, "Pre-exiting file %s is obsolete. obs_pkg=%s\n", filename
, obs
->name
);
1316 /* We have found a clash. */
1317 opkg_message(conf
, OPKG_ERROR
,
1318 "Package %s wants to install file %s\n"
1319 "\tBut that file is already provided by package ",
1320 pkg
->name
, filename
);
1322 opkg_message(conf
, OPKG_ERROR
,
1323 "%s\n", owner
->name
);
1325 opkg_message(conf
, OPKG_ERROR
,
1326 "<no package>\nPlease move this file out of the way and try again.\n");
1330 free(root_filename
);
1332 pkg_free_installed_files(pkg
);
1337 static int check_data_file_clashes_change(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
)
1339 /* Basically that's the worst hack I could do to be able to change ownership of
1340 file list, but, being that we have no way to unwind the mods, due to structure
1341 of hash table, probably is the quickest hack too, whishing it would not slow-up thing too much.
1342 What we do here is change the ownership of file in hash if a replace ( or similar events
1344 Only the action that are needed to change name should be considered.
1345 @@@ To change after 1.0 release.
1347 str_list_t
*files_list
;
1348 str_list_elt_t
*iter
, *niter
;
1350 char *root_filename
= NULL
;
1354 files_list
= pkg_get_installed_files(conf
, pkg
);
1355 for (iter
= str_list_first(files_list
), niter
= str_list_next(files_list
, iter
);
1357 iter
= niter
, niter
= str_list_next(files_list
, niter
)) {
1358 char *filename
= (char *) iter
->data
;
1359 if (root_filename
) {
1360 free(root_filename
);
1361 root_filename
= NULL
;
1363 root_filename
= root_filename_alloc(conf
, filename
);
1364 if (file_exists(root_filename
) && (! file_is_dir(root_filename
))) {
1367 owner
= file_hash_get_file_owner(conf
, filename
);
1369 if (conf
->force_overwrite
) {
1370 /* but we need to change who owns this file */
1371 file_hash_set_file_owner(conf
, filename
, pkg
);
1376 /* Pre-existing files are OK if owned by a package replaced by new pkg. */
1378 if (pkg_replaces(pkg
, owner
)) {
1379 /* It's now time to change the owner of that file.
1380 It has been "replaced" from the new "Replaces", then I need to inform lists file about that. */
1381 opkg_message(conf
, OPKG_INFO
, "Replacing pre-existing file %s owned by package %s\n", filename
, owner
->name
);
1382 file_hash_set_file_owner(conf
, filename
, pkg
);
1389 if (root_filename
) {
1390 free(root_filename
);
1391 root_filename
= NULL
;
1393 pkg_free_installed_files(pkg
);
1398 static int check_data_file_clashes_unwind(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
)
1400 /* Nothing to do since check_data_file_clashes doesn't change state */
1404 static int postrm_upgrade_old_pkg(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
)
1406 /* DPKG_INCOMPATIBILITY: dpkg does the following here, should we?
1407 1. If the package is being upgraded, call
1408 old-postrm upgrade new-version
1409 2. If this fails, attempt:
1410 new-postrm failed-upgrade old-version
1411 Error unwind, for both cases:
1412 old-preinst abort-upgrade new-version */
1416 static int postrm_upgrade_old_pkg_unwind(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
)
1418 /* DPKG_INCOMPATIBILITY:
1419 dpkg does some things here that we don't do yet. Do we care?
1420 (See postrm_upgrade_old_pkg for details)
1425 static int remove_obsolesced_files(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
)
1428 str_list_t
*old_files
;
1430 str_list_t
*new_files
;
1432 hash_table_t new_files_table
;
1434 if (old_pkg
== NULL
) {
1438 old_files
= pkg_get_installed_files(conf
, old_pkg
);
1439 new_files
= pkg_get_installed_files(conf
, pkg
);
1441 new_files_table
.entries
= NULL
;
1442 hash_table_init("new_files" , &new_files_table
, 20);
1443 for (nf
= str_list_first(new_files
); nf
; nf
= str_list_next(new_files
, nf
)) {
1445 hash_table_insert(&new_files_table
, nf
->data
, nf
->data
);
1448 for (of
= str_list_first(old_files
); of
; of
= str_list_next(old_files
, of
)) {
1451 old
= (char *)of
->data
;
1452 new = (char *) hash_table_get (&new_files_table
, old
);
1456 if (file_is_dir(old
)) {
1459 owner
= file_hash_get_file_owner(conf
, old
);
1460 if (owner
!= old_pkg
) {
1461 /* in case obsolete file no longer belongs to old_pkg */
1465 /* old file is obsolete */
1466 opkg_message(conf
, OPKG_INFO
,
1467 " removing obsolete file %s\n", old
);
1468 if (!conf
->noaction
) {
1471 opkg_message(conf
, OPKG_ERROR
, " Warning: remove %s failed: %s\n", old
,
1477 hash_table_deinit(&new_files_table
);
1478 pkg_free_installed_files(old_pkg
);
1479 pkg_free_installed_files(pkg
);
1484 static int install_maintainer_scripts(opkg_conf_t
*conf
, pkg_t
*pkg
, pkg_t
*old_pkg
)
1489 sprintf_alloc(&prefix
, "%s.", pkg
->name
);
1490 ret
= pkg_extract_control_files_to_dir_with_prefix(pkg
,
1491 pkg
->dest
->info_dir
,
1497 static int remove_disappeared(opkg_conf_t
*conf
, pkg_t
*pkg
)
1499 /* DPKG_INCOMPATIBILITY:
1500 This is a fairly sophisticated dpkg operation. Shall we
1503 /* Any packages all of whose files have been overwritten during the
1504 installation, and which aren't required for dependencies, are
1505 considered to have been removed. For each such package
1506 1. disappearer's-postrm disappear overwriter overwriter-version
1507 2. The package's maintainer scripts are removed
1508 3. It is noted in the status database as being in a sane state,
1509 namely not installed (any conffiles it may have are ignored,
1510 rather than being removed by dpkg). Note that disappearing
1511 packages do not have their prerm called, because dpkg doesn't
1512 know in advance that the package is going to vanish.
1517 static int install_data_files(opkg_conf_t
*conf
, pkg_t
*pkg
)
1521 /* opkg takes a slightly different approach to data file backups
1522 than dpkg. Rather than removing backups at this point, we
1523 actually do the data file installation now. See comments in
1524 check_data_file_clashes() for more details. */
1526 opkg_message(conf
, OPKG_INFO
,
1527 " extracting data files to %s\n", pkg
->dest
->root_dir
);
1528 err
= pkg_extract_data_files_to_dir(pkg
, pkg
->dest
->root_dir
);
1533 /* XXX: BUG or FEATURE : We are actually loosing the Essential flag,
1534 so we can't save ourself from removing important packages
1535 At this point we (should) have extracted the .control file, so it
1536 would be a good idea to reload the data in it, and set the Essential
1537 state in *pkg. From now on the Essential is back in status file and
1538 we can protect again.
1539 We should operate this way:
1540 fopen the file ( pkg->dest->root_dir/pkg->name.control )
1541 check for "Essential" in it
1542 set the value in pkg->essential.
1543 This new routine could be useful also for every other flag
1545 set_flags_from_control(conf
, pkg
) ;
1547 opkg_message(conf
, OPKG_DEBUG
, " Calling pkg_write_filelist from %s\n", __FUNCTION__
);
1548 err
= pkg_write_filelist(conf
, pkg
);
1552 /* XXX: FEATURE: opkg should identify any files which existed
1553 before installation and which were overwritten, (see
1554 check_data_file_clashes()). What it must do is remove any such
1555 files from the filelist of the old package which provided the
1556 file. Otherwise, if the old package were removed at some point
1557 it would break the new package. Removing the new package will
1558 also break the old one, but this cannot be helped since the old
1559 package's file has already been deleted. This is the importance
1560 of check_data_file_clashes(), and only allowing opkg to install
1561 a clashing package with a user force. */
1566 static int resolve_conffiles(opkg_conf_t
*conf
, pkg_t
*pkg
)
1568 conffile_list_elt_t
*iter
;
1573 if (conf
->noaction
) return 0;
1575 for (iter
= nv_pair_list_first(&pkg
->conffiles
); iter
; iter
= nv_pair_list_next(&pkg
->conffiles
, iter
)) {
1576 char *root_filename
;
1577 cf
= (conffile_t
*)iter
->data
;
1578 root_filename
= root_filename_alloc(conf
, cf
->name
);
1580 /* Might need to initialize the md5sum for each conffile */
1581 if (cf
->value
== NULL
) {
1582 cf
->value
= file_md5sum_alloc(root_filename
);
1585 if (!file_exists(root_filename
)) {
1586 free(root_filename
);
1590 cf_backup
= backup_filename_alloc(root_filename
);
1593 if (file_exists(cf_backup
)) {
1594 /* Let's compute md5 to test if files are changed */
1595 md5sum
= file_md5sum_alloc(cf_backup
);
1596 if (md5sum
&& cf
->value
&& strcmp(cf
->value
,md5sum
) != 0 ) {
1597 if (conf
->force_maintainer
) {
1598 opkg_message(conf
, OPKG_NOTICE
, "Conffile %s using maintainer's setting.\n", cf_backup
);
1599 } else if (conf
->force_defaults
1600 || user_prefers_old_conffile(root_filename
, cf_backup
) ) {
1601 rename(cf_backup
, root_filename
);
1610 free(root_filename
);
1616 static int user_prefers_old_conffile(const char *file_name
, const char *backup
)
1619 const char *short_file_name
;
1621 short_file_name
= strrchr(file_name
, '/');
1622 if (short_file_name
) {
1625 short_file_name
= file_name
;
1629 response
= get_user_response(" Configuration file '%s'\n"
1630 " ==> File on system created by you or by a script.\n"
1631 " ==> File also in package provided by package maintainer.\n"
1632 " What would you like to do about it ? Your options are:\n"
1633 " Y or I : install the package maintainer's version\n"
1634 " N or O : keep your currently-installed version\n"
1635 " D : show the differences between the versions (if diff is installed)\n"
1636 " The default action is to keep your current version.\n"
1637 " *** %s (Y/I/N/O/D) [default=N] ? ", file_name
, short_file_name
);
1639 if (response
== NULL
)
1642 if (strcmp(response
, "y") == 0
1643 || strcmp(response
, "i") == 0
1644 || strcmp(response
, "yes") == 0) {
1649 if (strcmp(response
, "d") == 0) {
1650 const char *argv
[] = {"diff", "-u", backup
, file_name
, NULL
};
1652 printf(" [Press ENTER to continue]\n");
1653 response
= file_read_line_alloc(stdin
);
1663 static char *backup_filename_alloc(const char *file_name
)
1667 sprintf_alloc(&backup
, "%s%s", file_name
, OPKG_BACKUP_SUFFIX
);
1672 int backup_make_backup(opkg_conf_t
*conf
, const char *file_name
)
1677 backup
= backup_filename_alloc(file_name
);
1678 err
= file_copy(file_name
, backup
);
1680 opkg_message(conf
, OPKG_ERROR
,
1681 "%s: Failed to copy %s to %s\n",
1682 __FUNCTION__
, file_name
, backup
);
1690 static int backup_exists_for(const char *file_name
)
1695 backup
= backup_filename_alloc(file_name
);
1697 ret
= file_exists(backup
);
1704 static int backup_remove(const char *file_name
)
1708 backup
= backup_filename_alloc(file_name
);