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-rw-r--r--src/pacman/query.c34
1 files changed, 25 insertions, 9 deletions
diff --git a/src/pacman/query.c b/src/pacman/query.c
index 725e35d9..176f91c2 100644
--- a/src/pacman/query.c
+++ b/src/pacman/query.c
@@ -94,7 +94,6 @@ static int query_fileowner(alpm_list_t *targets)
{
int ret = 0;
char path[PATH_MAX];
- const char *root;
size_t rootlen;
alpm_list_t *t;
alpm_db_t *db_local;
@@ -108,14 +107,24 @@ static int query_fileowner(alpm_list_t *targets)
/* Set up our root path buffer. We only need to copy the location of root in
* once, then we can just overwrite whatever file was there on the previous
* iteration. */
- root = alpm_option_get_root(config->handle);
- rootlen = strlen(root);
- if(rootlen + 1 > PATH_MAX) {
- /* we are in trouble here */
- pm_printf(ALPM_LOG_ERROR, _("path too long: %s%s\n"), root, "");
+
+ /* resolve root now so any symlinks in it will only have to be resolved once */
+ if(!realpath(alpm_option_get_root(config->handle), path)) {
+ pm_printf(ALPM_LOG_ERROR, _("cannot determine real path for '%s': %s\n"),
+ path, strerror(errno));
return 1;
}
- strcpy(path, root);
+
+ /* make sure there's enough room to append the package file to path */
+ rootlen = strlen(path);
+ if(rootlen + 2 > PATH_MAX) {
+ pm_printf(ALPM_LOG_ERROR, _("path too long: %s%s\n"), path, "");
+ return 1;
+ }
+
+ /* append trailing '/' removed by realpath */
+ path[rootlen++] = '/';
+ path[rootlen] = '\0';
db_local = alpm_get_localdb(config->handle);
@@ -201,7 +210,7 @@ static int query_fileowner(alpm_list_t *targets)
}
if(rootlen + 1 + strlen(pkgfile) > PATH_MAX) {
- pm_printf(ALPM_LOG_ERROR, _("path too long: %s%s\n"), root, pkgfile);
+ pm_printf(ALPM_LOG_ERROR, _("path too long: %s%s\n"), path, pkgfile);
continue;
}
/* concatenate our file and the root path */
@@ -210,8 +219,15 @@ static int query_fileowner(alpm_list_t *targets)
pdname = mdirname(path);
ppath = realpath(pdname, NULL);
free(pdname);
+ path[rootlen] = '\0'; /* reset path for error messages */
+
+ if(!ppath) {
+ pm_printf(ALPM_LOG_ERROR, _("cannot determine real path for '%s': %s\n"),
+ pdname, strerror(errno));
+ continue;
+ }
- if(ppath && strcmp(ppath, rpath) == 0) {
+ if(strcmp(ppath, rpath) == 0) {
print_query_fileowner(filename, info);
found = 1;
free(ppath);