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-rw-r--r--lib/libalpm/conflict.c197
1 files changed, 89 insertions, 108 deletions
diff --git a/lib/libalpm/conflict.c b/lib/libalpm/conflict.c
index fbc988bd..66441a77 100644
--- a/lib/libalpm/conflict.c
+++ b/lib/libalpm/conflict.c
@@ -40,18 +40,16 @@
#include "log.h"
#include "deps.h"
-pmconflict_t *_alpm_conflict_new(const char *package1, const char *package2,
+static pmconflict_t *conflict_new(const char *package1, const char *package2,
const char *reason)
{
pmconflict_t *conflict;
- ALPM_LOG_FUNC;
+ MALLOC(conflict, sizeof(pmconflict_t), return NULL);
- MALLOC(conflict, sizeof(pmconflict_t), RET_ERR(PM_ERR_MEMORY, NULL));
-
- STRDUP(conflict->package1, package1, RET_ERR(PM_ERR_MEMORY, NULL));
- STRDUP(conflict->package2, package2, RET_ERR(PM_ERR_MEMORY, NULL));
- STRDUP(conflict->reason, reason, RET_ERR(PM_ERR_MEMORY, NULL));
+ STRDUP(conflict->package1, package1, return NULL);
+ STRDUP(conflict->package2, package2, return NULL);
+ STRDUP(conflict->reason, reason, return NULL);
return conflict;
}
@@ -67,11 +65,11 @@ void _alpm_conflict_free(pmconflict_t *conflict)
pmconflict_t *_alpm_conflict_dup(const pmconflict_t *conflict)
{
pmconflict_t *newconflict;
- CALLOC(newconflict, 1, sizeof(pmconflict_t), RET_ERR(PM_ERR_MEMORY, NULL));
+ CALLOC(newconflict, 1, sizeof(pmconflict_t), );
- STRDUP(newconflict->package1, conflict->package1, RET_ERR(PM_ERR_MEMORY, NULL));
- STRDUP(newconflict->package2, conflict->package2, RET_ERR(PM_ERR_MEMORY, NULL));
- STRDUP(newconflict->reason, conflict->reason, RET_ERR(PM_ERR_MEMORY, NULL));
+ STRDUP(newconflict->package1, conflict->package1, return NULL);
+ STRDUP(newconflict->package2, conflict->package2, return NULL);
+ STRDUP(newconflict->reason, conflict->reason, return NULL);
return newconflict;
}
@@ -82,8 +80,6 @@ static int conflict_isin(pmconflict_t *needle, alpm_list_t *haystack)
const char *npkg1 = needle->package1;
const char *npkg2 = needle->package2;
- ALPM_LOG_FUNC;
-
for(i = haystack; i; i = i->next) {
pmconflict_t *conflict = i->data;
const char *cpkg1 = conflict->package1;
@@ -97,22 +93,28 @@ static int conflict_isin(pmconflict_t *needle, alpm_list_t *haystack)
return 0;
}
-/** Adds the pkg1/pkg2 conflict to the baddeps list
- * @param *baddeps list to add conflict to
+/** Adds the pkg1/pkg2 conflict to the baddeps list.
+ * @param handle the context handle
+ * @param baddeps list to add conflict to
* @param pkg1 first package
* @param pkg2 package causing conflict
+ * @param reason reason for this conflict
*/
-static void add_conflict(alpm_list_t **baddeps, const char *pkg1,
- const char *pkg2, const char *reason)
+static int add_conflict(pmhandle_t *handle, alpm_list_t **baddeps,
+ const char *pkg1, const char *pkg2, const char *reason)
{
- pmconflict_t *conflict = _alpm_conflict_new(pkg1, pkg2, reason);
- _alpm_log(PM_LOG_DEBUG, "package %s conflicts with %s (by %s)\n",
+ pmconflict_t *conflict = conflict_new(pkg1, pkg2, reason);
+ if(!conflict) {
+ return -1;
+ }
+ _alpm_log(handle, PM_LOG_DEBUG, "package %s conflicts with %s (by %s)\n",
pkg1, pkg2, reason);
- if(conflict && !conflict_isin(conflict, *baddeps)) {
+ if(!conflict_isin(conflict, *baddeps)) {
*baddeps = alpm_list_add(*baddeps, conflict);
} else {
_alpm_conflict_free(conflict);
}
+ return 0;
}
/** Check if packages from list1 conflict with packages from list2.
@@ -121,14 +123,16 @@ static void add_conflict(alpm_list_t **baddeps, const char *pkg1,
* If a conflict (pkg1, pkg2) is found, it is added to the baddeps list
* in this order if order >= 0, or reverse order (pkg2,pkg1) otherwise.
*
+ * @param handle the context handle
* @param list1 first list of packages
* @param list2 second list of packages
- * @param *baddeps list to store conflicts
+ * @param baddeps list to store conflicts
* @param order if >= 0 the conflict order is preserved, if < 0 it's reversed
*/
-static void check_conflict(alpm_list_t *list1, alpm_list_t *list2,
+static void check_conflict(pmhandle_t *handle,
+ alpm_list_t *list1, alpm_list_t *list2,
alpm_list_t **baddeps, int order) {
- alpm_list_t *i, *j, *k;
+ alpm_list_t *i;
if(!baddeps) {
return;
@@ -136,9 +140,11 @@ static void check_conflict(alpm_list_t *list1, alpm_list_t *list2,
for(i = list1; i; i = i->next) {
pmpkg_t *pkg1 = i->data;
const char *pkg1name = alpm_pkg_get_name(pkg1);
+ alpm_list_t *j;
for(j = alpm_pkg_get_conflicts(pkg1); j; j = j->next) {
const char *conflict = j->data;
+ alpm_list_t *k;
pmdepend_t *parsed_conflict = _alpm_splitdep(conflict);
for(k = list2; k; k = k->next) {
@@ -152,9 +158,9 @@ static void check_conflict(alpm_list_t *list1, alpm_list_t *list2,
if(_alpm_depcmp(pkg2, parsed_conflict)) {
if(order >= 0) {
- add_conflict(baddeps, pkg1name, pkg2name, conflict);
+ add_conflict(handle, baddeps, pkg1name, pkg2name, conflict);
} else {
- add_conflict(baddeps, pkg2name, pkg1name, conflict);
+ add_conflict(handle, baddeps, pkg2name, pkg1name, conflict);
}
}
}
@@ -164,14 +170,12 @@ static void check_conflict(alpm_list_t *list1, alpm_list_t *list2,
}
/* Check for inter-conflicts */
-alpm_list_t *_alpm_innerconflicts(alpm_list_t *packages)
+alpm_list_t *_alpm_innerconflicts(pmhandle_t *handle, alpm_list_t *packages)
{
alpm_list_t *baddeps = NULL;
- ALPM_LOG_FUNC;
-
- _alpm_log(PM_LOG_DEBUG, "check targets vs targets\n");
- check_conflict(packages, packages, &baddeps, 0);
+ _alpm_log(handle, PM_LOG_DEBUG, "check targets vs targets\n");
+ check_conflict(handle, packages, packages, &baddeps, 0);
return baddeps;
}
@@ -184,8 +188,6 @@ alpm_list_t *_alpm_outerconflicts(pmdb_t *db, alpm_list_t *packages)
{
alpm_list_t *baddeps = NULL;
- ALPM_LOG_FUNC;
-
if(db == NULL) {
return NULL;
}
@@ -194,10 +196,10 @@ alpm_list_t *_alpm_outerconflicts(pmdb_t *db, alpm_list_t *packages)
packages, _alpm_pkg_cmp);
/* two checks to be done here for conflicts */
- _alpm_log(PM_LOG_DEBUG, "check targets vs db\n");
- check_conflict(packages, dblist, &baddeps, 1);
- _alpm_log(PM_LOG_DEBUG, "check db vs targets\n");
- check_conflict(dblist, packages, &baddeps, -1);
+ _alpm_log(db->handle, PM_LOG_DEBUG, "check targets vs db\n");
+ check_conflict(db->handle, packages, dblist, &baddeps, 1);
+ _alpm_log(db->handle, PM_LOG_DEBUG, "check db vs targets\n");
+ check_conflict(db->handle, dblist, packages, &baddeps, -1);
alpm_list_free(dblist);
return baddeps;
@@ -205,11 +207,14 @@ alpm_list_t *_alpm_outerconflicts(pmdb_t *db, alpm_list_t *packages)
/** Check the package conflicts in a database
*
+ * @param handle the context handle
* @param pkglist the list of packages to check
* @return an alpm_list_t of pmconflict_t
*/
-alpm_list_t SYMEXPORT *alpm_checkconflicts(alpm_list_t *pkglist) {
- return _alpm_innerconflicts(pkglist);
+alpm_list_t SYMEXPORT *alpm_checkconflicts(pmhandle_t *handle,
+ alpm_list_t *pkglist)
+{
+ return _alpm_innerconflicts(handle, pkglist);
}
static const int DIFFERENCE = 0;
@@ -274,24 +279,24 @@ static alpm_list_t *filelist_operation(alpm_list_t *filesA, alpm_list_t *filesB,
* two package names or one package name and NULL. This is a wrapper for former
* functionality that was done inline.
*/
-static alpm_list_t *add_fileconflict(alpm_list_t *conflicts,
- pmfileconflicttype_t type, const char *filestr,
- const char* name1, const char* name2)
+static alpm_list_t *add_fileconflict(pmhandle_t *handle,
+ alpm_list_t *conflicts, pmfileconflicttype_t type, const char *filestr,
+ const char *name1, const char *name2)
{
pmfileconflict_t *conflict;
- MALLOC(conflict, sizeof(pmfileconflict_t), RET_ERR(PM_ERR_MEMORY, NULL));
+ MALLOC(conflict, sizeof(pmfileconflict_t), return NULL);
conflict->type = type;
- STRDUP(conflict->target, name1, RET_ERR(PM_ERR_MEMORY, NULL));
- STRDUP(conflict->file, filestr, RET_ERR(PM_ERR_MEMORY, NULL));
+ STRDUP(conflict->target, name1, return NULL);
+ STRDUP(conflict->file, filestr, return NULL);
if(name2) {
- STRDUP(conflict->ctarget, name2, RET_ERR(PM_ERR_MEMORY, NULL));
+ STRDUP(conflict->ctarget, name2, return NULL);
} else {
- STRDUP(conflict->ctarget, "", RET_ERR(PM_ERR_MEMORY, NULL));
+ STRDUP(conflict->ctarget, "", return NULL);
}
conflicts = alpm_list_add(conflicts, conflict);
- _alpm_log(PM_LOG_DEBUG, "found file conflict %s, packages %s and %s\n",
+ _alpm_log(handle, PM_LOG_DEBUG, "found file conflict %s, packages %s and %s\n",
filestr, name1, name2 ? name2 : "(filesystem)");
return conflicts;
@@ -305,7 +310,8 @@ void _alpm_fileconflict_free(pmfileconflict_t *conflict)
FREE(conflict);
}
-static int dir_belongsto_pkg(char *dirpath, pmpkg_t *pkg)
+static int dir_belongsto_pkg(const char *root, const char *dirpath,
+ pmpkg_t *pkg)
{
struct dirent *ent = NULL;
struct stat sbuf;
@@ -313,7 +319,7 @@ static int dir_belongsto_pkg(char *dirpath, pmpkg_t *pkg)
char abspath[PATH_MAX];
DIR *dir;
- snprintf(abspath, PATH_MAX, "%s%s", handle->root, dirpath);
+ snprintf(abspath, PATH_MAX, "%s%s", root, dirpath);
dir = opendir(abspath);
if(dir == NULL) {
return 1;
@@ -325,12 +331,12 @@ static int dir_belongsto_pkg(char *dirpath, pmpkg_t *pkg)
continue;
}
snprintf(path, PATH_MAX, "%s/%s", dirpath, name);
- snprintf(abspath, PATH_MAX, "%s%s", handle->root, path);
+ snprintf(abspath, PATH_MAX, "%s%s", root, path);
if(stat(abspath, &sbuf) != 0) {
continue;
}
if(S_ISDIR(sbuf.st_mode)) {
- if(dir_belongsto_pkg(path, pkg)) {
+ if(dir_belongsto_pkg(root, path, pkg)) {
continue;
} else {
closedir(dir);
@@ -352,16 +358,15 @@ static int dir_belongsto_pkg(char *dirpath, pmpkg_t *pkg)
/* Find file conflicts that may occur during the transaction with two checks:
* 1: check every target against every target
* 2: check every target against the filesystem */
-alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans,
+alpm_list_t *_alpm_db_find_fileconflicts(pmhandle_t *handle,
alpm_list_t *upgrade, alpm_list_t *remove)
{
alpm_list_t *i, *j, *conflicts = NULL;
size_t numtargs = alpm_list_count(upgrade);
size_t current;
+ pmtrans_t *trans = handle->trans;
- ALPM_LOG_FUNC;
-
- if(db == NULL || upgrade == NULL || trans == NULL) {
+ if(!upgrade) {
return NULL;
}
@@ -372,7 +377,7 @@ alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans,
for(current = 0, i = upgrade; i; i = i->next, current++) {
alpm_list_t *k, *tmpfiles = NULL;
pmpkg_t *p1, *p2, *dbpkg;
- char path[PATH_MAX+1];
+ char path[PATH_MAX];
p1 = i->data;
if(!p1) {
@@ -383,7 +388,7 @@ alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans,
PROGRESS(trans, PM_TRANS_PROGRESS_CONFLICTS_START, "", percent,
numtargs, current);
/* CHECK 1: check every target against every target */
- _alpm_log(PM_LOG_DEBUG, "searching for file conflicts: %s\n",
+ _alpm_log(handle, PM_LOG_DEBUG, "searching for file conflicts: %s\n",
alpm_pkg_get_name(p1));
for(j = i->next; j; j = j->next) {
p2 = j->data;
@@ -396,8 +401,13 @@ alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans,
if(tmpfiles) {
for(k = tmpfiles; k; k = k->next) {
snprintf(path, PATH_MAX, "%s%s", handle->root, (char *)k->data);
- conflicts = add_fileconflict(conflicts, PM_FILECONFLICT_TARGET, path,
+ conflicts = add_fileconflict(handle, conflicts, PM_FILECONFLICT_TARGET, path,
alpm_pkg_get_name(p1), alpm_pkg_get_name(p2));
+ if(!conflicts) {
+ FREELIST(conflicts);
+ FREELIST(tmpfiles);
+ RET_ERR(handle, PM_ERR_MEMORY, NULL);
+ }
}
FREELIST(tmpfiles);
}
@@ -408,8 +418,8 @@ alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans,
char *filestr = NULL;
/* CHECK 2: check every target against the filesystem */
- _alpm_log(PM_LOG_DEBUG, "searching for filesystem conflicts: %s\n", p1->name);
- dbpkg = _alpm_db_get_pkgfromcache(db, p1->name);
+ _alpm_log(handle, PM_LOG_DEBUG, "searching for filesystem conflicts: %s\n", p1->name);
+ dbpkg = _alpm_db_get_pkgfromcache(handle->db_local, p1->name);
/* Do two different checks here. If the package is currently installed,
* then only check files that are new in the new package. If the package
@@ -436,15 +446,15 @@ alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans,
if(path[strlen(path)-1] == '/') {
if(S_ISDIR(lsbuf.st_mode)) {
- _alpm_log(PM_LOG_DEBUG, "%s is a directory, not a conflict\n", path);
+ _alpm_log(handle, PM_LOG_DEBUG, "%s is a directory, not a conflict\n", path);
continue;
} else if(S_ISLNK(lsbuf.st_mode) && S_ISDIR(sbuf.st_mode)) {
- _alpm_log(PM_LOG_DEBUG,
+ _alpm_log(handle, PM_LOG_DEBUG,
"%s is a symlink to a dir, hopefully not a conflict\n", path);
continue;
}
}
- _alpm_log(PM_LOG_DEBUG, "checking possible conflict: %s\n", path);
+ _alpm_log(handle, PM_LOG_DEBUG, "checking possible conflict: %s\n", path);
int resolved_conflict = 0; /* have we acted on this conflict? */
@@ -452,7 +462,7 @@ alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans,
for(k = remove; k && !resolved_conflict; k = k->next) {
pmpkg_t *rempkg = k->data;
if(rempkg && alpm_list_find_str(alpm_pkg_get_files(rempkg), filestr)) {
- _alpm_log(PM_LOG_DEBUG, "local file will be removed, not a conflict: %s\n", filestr);
+ _alpm_log(handle, PM_LOG_DEBUG, "local file will be removed, not a conflict: %s\n", filestr);
resolved_conflict = 1;
}
}
@@ -463,15 +473,16 @@ alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans,
if(!p2 || strcmp(p1->name, p2->name) == 0) {
continue;
}
- pmpkg_t *localp2 = _alpm_db_get_pkgfromcache(db, p2->name);
+ pmpkg_t *localp2 = _alpm_db_get_pkgfromcache(handle->db_local, p2->name);
/* localp2->files will be removed (target conflicts are handled by CHECK 1) */
if(localp2 && alpm_list_find_str(alpm_pkg_get_files(localp2), filestr)) {
/* skip removal of file, but not add. this will prevent a second
* package from removing the file when it was already installed
* by its new owner (whether the file is in backup array or not */
- trans->skip_remove = alpm_list_add(trans->skip_remove, strdup(filestr));
- _alpm_log(PM_LOG_DEBUG, "file changed packages, adding to remove skiplist: %s\n", filestr);
+ handle->trans->skip_remove =
+ alpm_list_add(handle->trans->skip_remove, strdup(filestr));
+ _alpm_log(handle, PM_LOG_DEBUG, "file changed packages, adding to remove skiplist: %s\n", filestr);
resolved_conflict = 1;
}
}
@@ -481,17 +492,17 @@ alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans,
char *dir = malloc(strlen(filestr) + 2);
sprintf(dir, "%s/", filestr);
if(alpm_list_find_str(alpm_pkg_get_files(dbpkg),dir)) {
- _alpm_log(PM_LOG_DEBUG, "check if all files in %s belongs to %s\n",
+ _alpm_log(handle, PM_LOG_DEBUG, "check if all files in %s belongs to %s\n",
dir, dbpkg->name);
- resolved_conflict = dir_belongsto_pkg(filestr, dbpkg);
+ resolved_conflict = dir_belongsto_pkg(handle->root, filestr, dbpkg);
}
free(dir);
}
if(!resolved_conflict && dbpkg) {
- char *rpath = calloc(PATH_MAX+1, sizeof(char));
+ char *rpath = calloc(PATH_MAX, sizeof(char));
if(!realpath(path, rpath)) {
- FREE(rpath);
+ free(rpath);
continue;
}
char *filestr = rpath + strlen(handle->root);
@@ -502,9 +513,13 @@ alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans,
}
if(!resolved_conflict) {
- _alpm_log(PM_LOG_DEBUG, "file found in conflict: %s\n", path);
- conflicts = add_fileconflict(conflicts, PM_FILECONFLICT_FILESYSTEM,
+ conflicts = add_fileconflict(handle, conflicts, PM_FILECONFLICT_FILESYSTEM,
path, p1->name, NULL);
+ if(!conflicts) {
+ FREELIST(conflicts);
+ FREELIST(tmpfiles);
+ RET_ERR(handle, PM_ERR_MEMORY, NULL);
+ }
}
}
FREELIST(tmpfiles);
@@ -517,78 +532,44 @@ alpm_list_t *_alpm_db_find_fileconflicts(pmdb_t *db, pmtrans_t *trans,
const char SYMEXPORT *alpm_conflict_get_package1(pmconflict_t *conflict)
{
- ALPM_LOG_FUNC;
-
- /* Sanity checks */
- ASSERT(handle != NULL, return NULL);
ASSERT(conflict != NULL, return NULL);
-
return conflict->package1;
}
const char SYMEXPORT *alpm_conflict_get_package2(pmconflict_t *conflict)
{
- ALPM_LOG_FUNC;
-
- /* Sanity checks */
- ASSERT(handle != NULL, return NULL);
ASSERT(conflict != NULL, return NULL);
-
return conflict->package2;
}
const char SYMEXPORT *alpm_conflict_get_reason(pmconflict_t *conflict)
{
- ALPM_LOG_FUNC;
-
- /* Sanity checks */
- ASSERT(handle != NULL, return NULL);
ASSERT(conflict != NULL, return NULL);
-
return conflict->reason;
}
const char SYMEXPORT *alpm_fileconflict_get_target(pmfileconflict_t *conflict)
{
- ALPM_LOG_FUNC;
-
- /* Sanity checks */
- ASSERT(handle != NULL, return NULL);
ASSERT(conflict != NULL, return NULL);
-
return conflict->target;
}
pmfileconflicttype_t SYMEXPORT alpm_fileconflict_get_type(pmfileconflict_t *conflict)
{
- ALPM_LOG_FUNC;
-
- /* Sanity checks */
- ASSERT(handle != NULL, return -1);
ASSERT(conflict != NULL, return -1);
-
return conflict->type;
}
const char SYMEXPORT *alpm_fileconflict_get_file(pmfileconflict_t *conflict)
{
- ALPM_LOG_FUNC;
-
- /* Sanity checks */
- ASSERT(handle != NULL, return NULL);
ASSERT(conflict != NULL, return NULL);
-
return conflict->file;
}
const char SYMEXPORT *alpm_fileconflict_get_ctarget(pmfileconflict_t *conflict)
{
- ALPM_LOG_FUNC;
-
- /* Sanity checks */
- ASSERT(handle != NULL, return NULL);
ASSERT(conflict != NULL, return NULL);
-
return conflict->ctarget;
}
+
/* vim: set ts=2 sw=2 noet: */

Copyright © 2002-2022 Judd Vinet and Aaron Griffin. Copyright © 2022 Erich Eckner.
The Arch Linux name and logo are recognized trademarks. Some rights reserved. The registered trademark Linux® is used pursuant to a sublicense from LMI, the exclusive licensee of Linus Torvalds, owner of the mark on a world-wide basis.