When pacman queries the ownership of an object that is not a path, it will check in the users PATH for a match. Implements FS#8798.
Original-patch-by: Shankar <[email protected]> Signed-off-by: Allan McRae <[email protected]> --- This should address all comments I had when this was submitted a few months back. src/pacman/query.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++---- 1 files changed, 52 insertions(+), 5 deletions(-) diff --git a/src/pacman/query.c b/src/pacman/query.c index 6b6a25d..038072f 100644 --- a/src/pacman/query.c +++ b/src/pacman/query.c @@ -56,10 +56,44 @@ static char *resolve_path(const char* file) return(str); } +/* check if filename exists in PATH */ +static int search_path(char *filename, size_t size, struct stat * bufptr) +{ + char *envpath, *envpathsplit, *path, fullname[PATH_MAX+1]; + int len; + + if ((envpath = getenv("PATH")) == NULL) { + return(-1); + } + if ((envpath = envpathsplit = strdup(envpath)) == NULL) { + return(-1); + } + + while ((path = strsep(&envpathsplit, ":")) != NULL) { + len = strlen(path); + + /* strip the trailing slash if one exists */ + while(path[len - 1] == '/') { + path[--len] = '\0'; + } + + snprintf(fullname, sizeof(fullname), "%s/%s", path, filename); + + if(stat(fullname, bufptr) == 0) { + strncpy(filename, fullname, size); + free(envpath); + return(0); + } + } + free(envpath); + return(-1); +} + static int query_fileowner(alpm_list_t *targets) { int ret = 0; alpm_list_t *t; + size_t len=PATH_MAX+1; /* This code is here for safety only */ if(targets == NULL) { @@ -67,19 +101,31 @@ static int query_fileowner(alpm_list_t *targets) return(1); } + char *filename = calloc(len, sizeof(char)); + for(t = targets; t; t = alpm_list_next(t)) { int found = 0; - char *filename = alpm_list_getdata(t); + strncpy(filename, alpm_list_getdata(t), len); char *bname, *dname, *rpath; const char *root; struct stat buf; alpm_list_t *i, *j; if(lstat(filename, &buf) == -1) { - pm_fprintf(stderr, PM_LOG_ERROR, _("failed to read file '%s': %s\n"), - filename, strerror(errno)); - ret++; - continue; + /* if it is not a path but a program name, then check in PATH */ + if(strchr(filename, '/') == NULL) { + if(search_path(filename, len, &buf) == -1) { + pm_fprintf(stderr, PM_LOG_ERROR, _("failed to read file '%s': %s\n"), + filename, strerror(errno)); + ret++; + continue; + } + } else { + pm_fprintf(stderr, PM_LOG_ERROR, _("failed to read file '%s': %s\n"), + filename, strerror(errno)); + ret++; + continue; + } } if(S_ISDIR(buf.st_mode)) { @@ -140,6 +186,7 @@ static int query_fileowner(alpm_list_t *targets) free(rpath); } + free(filename); return ret; } -- 1.7.0.1
