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-rw-r--r--src/imlib.c707
1 files changed, 619 insertions, 88 deletions
diff --git a/src/imlib.c b/src/imlib.c
index ecc44b5..d2352fd 100644
--- a/src/imlib.c
+++ b/src/imlib.c
@@ -1,7 +1,7 @@
/* imlib.c
Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2024 Birte Kristina Friesel.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
@@ -26,6 +26,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "feh.h"
#include "filelist.h"
+#include "signals.h"
#include "winwidget.h"
#include "options.h"
@@ -43,6 +44,12 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "exif.h"
#endif
+#ifdef HAVE_LIBMAGIC
+#include <magic.h>
+
+magic_t magic = NULL;
+#endif
+
Display *disp = NULL;
Visual *vis = NULL;
Screen *scr = NULL;
@@ -59,9 +66,13 @@ int xinerama_screen;
int num_xinerama_screens;
#endif /* HAVE_LIBXINERAMA */
+gib_hash* conversion_cache = NULL;
+
int childpid = 0;
+static int feh_file_is_raw(char *filename);
static char *feh_http_load_image(char *url);
+static char *feh_dcraw_load_image(char *filename);
static char *feh_magick_load_image(char *filename);
#ifdef HAVE_LIBXINERAMA
@@ -131,12 +142,23 @@ void init_x_and_imlib(void)
imlib_context_set_operation(IMLIB_OP_COPY);
wmDeleteWindow = XInternAtom(disp, "WM_DELETE_WINDOW", False);
- /* Initialise random numbers */
- srand(getpid() * time(NULL) % ((unsigned int) -1));
+ imlib_set_cache_size(opt.cache_size * 1024 * 1024);
return;
}
+int feh_should_ignore_image(Imlib_Image * im)
+{
+ if (opt.filter_by_dimensions) {
+ unsigned int w = gib_imlib_image_get_width(im);
+ unsigned int h = gib_imlib_image_get_height(im);
+ if (w < opt.min_width || w > opt.max_width || h < opt.min_height || h > opt.max_height) {
+ return 1;
+ }
+ }
+ return 0;
+}
+
int feh_load_image_char(Imlib_Image * im, char *filename)
{
feh_file *file;
@@ -148,11 +170,31 @@ int feh_load_image_char(Imlib_Image * im, char *filename)
return(i);
}
-void feh_imlib_print_load_error(char *file, winwidget w, Imlib_Load_Error err)
+void feh_print_load_error(char *file, winwidget w, Imlib_Load_Error err, enum feh_load_error feh_err)
{
if (err == IMLIB_LOAD_ERROR_OUT_OF_FILE_DESCRIPTORS)
eprintf("%s - Out of file descriptors while loading", file);
else if (!opt.quiet || w) {
+ switch (feh_err) {
+ case LOAD_ERROR_IMLIB:
+ // handled in the next switch/case statement
+ break;
+ case LOAD_ERROR_IMAGEMAGICK:
+ im_weprintf(w, "%s - No ImageMagick loader for that file format", file);
+ break;
+ case LOAD_ERROR_CURL:
+ im_weprintf(w, "%s - libcurl was unable to retrieve the file", file);
+ break;
+ case LOAD_ERROR_DCRAW:
+ im_weprintf(w, "%s - Unable to open preview via dcraw", file);
+ break;
+ case LOAD_ERROR_MAGICBYTES:
+ im_weprintf(w, "%s - Does not look like an image (magic bytes missing)", file);
+ break;
+ }
+ if (feh_err != LOAD_ERROR_IMLIB) {
+ return;
+ }
switch (err) {
case IMLIB_LOAD_ERROR_FILE_DOES_NOT_EXIST:
im_weprintf(w, "%s - File does not exist", file);
@@ -191,6 +233,14 @@ void feh_imlib_print_load_error(char *file, winwidget w, Imlib_Load_Error err)
case IMLIB_LOAD_ERROR_OUT_OF_DISK_SPACE:
im_weprintf(w, "%s - Cannot write - out of disk space", file);
break;
+#if defined(IMLIB2_VERSION_MAJOR) && defined(IMLIB2_VERSION_MINOR) && (IMLIB2_VERSION_MAJOR > 1 || IMLIB2_VERSION_MINOR > 7)
+ case IMLIB_LOAD_ERROR_IMAGE_READ:
+ im_weprintf(w, "%s - Invalid image file", file);
+ break;
+ case IMLIB_LOAD_ERROR_IMAGE_FRAME:
+ im_weprintf(w, "%s - Requested frame not in image", file);
+ break;
+#endif
default:
im_weprintf(w, "While loading %s - Unknown error (%d)",
file, err);
@@ -199,18 +249,91 @@ void feh_imlib_print_load_error(char *file, winwidget w, Imlib_Load_Error err)
}
}
+#ifdef HAVE_LIBMAGIC
+void uninit_magic(void)
+{
+ if (!magic) {
+ return;
+ }
+
+ magic_close(magic);
+ magic = NULL;
+}
+void init_magic(void)
+{
+ if (getenv("FEH_SKIP_MAGIC")) {
+ return;
+ }
+
+ if (!(magic = magic_open(MAGIC_NONE))) {
+ weprintf("unable to initialize magic library\n");
+ return;
+ }
+
+ if (magic_load(magic, NULL) != 0) {
+ weprintf("cannot load magic database: %s\n", magic_error(magic));
+ uninit_magic();
+ }
+}
+
+/*
+ * This is a workaround for an Imlib2 regression, causing unloadable image
+ * detection to be excessively slow (and, thus, causing feh to hang for a while
+ * when encountering an unloadable image). We use magic byte detection to
+ * avoid calling Imlib2 for files it probably cannot handle. See
+ * <https://phab.enlightenment.org/T8739> and
+ * <https://github.com/derf/feh/issues/505>.
+ */
+int feh_is_image(feh_file * file, int magic_flags)
+{
+ const char * mime_type = NULL;
+
+ if (!magic) {
+ return 1;
+ }
+
+ magic_setflags(magic, MAGIC_MIME_TYPE | MAGIC_SYMLINK | magic_flags);
+ mime_type = magic_file(magic, file->filename);
+
+ if (!mime_type) {
+ return 0;
+ }
+
+ D(("file %s has mime type: %s\n", file->filename, mime_type));
+
+ if (strncmp(mime_type, "image/", 6) == 0) {
+ return 1;
+ }
+
+ /* no infinite loop on compressed content, please */
+ if (magic_flags) {
+ return 0;
+ }
+
+ /* imlib2 supports loading compressed images, let's have a look inside */
+ if (strcmp(mime_type, "application/gzip") == 0 ||
+ strcmp(mime_type, "application/x-bzip2") == 0 ||
+ strcmp(mime_type, "application/x-xz") == 0) {
+ return feh_is_image(file, MAGIC_COMPRESS);
+ }
+
+ return 0;
+}
+#else
+int feh_is_image(__attribute__((unused)) feh_file * file, __attribute__((unused)) int magic_flags)
+{
+ return 1;
+}
+#endif
+
int feh_load_image(Imlib_Image * im, feh_file * file)
{
Imlib_Load_Error err = IMLIB_LOAD_ERROR_NONE;
- enum { SRC_IMLIB, SRC_HTTP, SRC_MAGICK } image_source =
- SRC_IMLIB;
+ enum feh_load_error feh_err = LOAD_ERROR_IMLIB;
+ enum { SRC_IMLIB, SRC_HTTP, SRC_MAGICK, SRC_DCRAW } image_source = SRC_IMLIB;
char *tmpname = NULL;
char *real_filename = NULL;
-#ifdef HAVE_LIBEXIF
- ExifEntry *entry;
-#endif
-
D(("filename is %s, image is %p\n", file->filename, im));
if (!file || !file->filename)
@@ -219,33 +342,89 @@ int feh_load_image(Imlib_Image * im, feh_file * file)
if (path_is_url(file->filename)) {
image_source = SRC_HTTP;
- if ((tmpname = feh_http_load_image(file->filename)) == NULL)
+ if ((tmpname = feh_http_load_image(file->filename)) == NULL) {
+ feh_err = LOAD_ERROR_CURL;
err = IMLIB_LOAD_ERROR_FILE_DOES_NOT_EXIST;
+ }
+ }
+ else {
+ if (feh_is_image(file, 0)) {
+ *im = imlib_load_image_with_error_return(file->filename, &err);
+ } else {
+ feh_err = LOAD_ERROR_MAGICBYTES;
+ err = IMLIB_LOAD_ERROR_NO_LOADER_FOR_FILE_FORMAT;
+ }
}
- else
- *im = imlib_load_image_with_error_return(file->filename, &err);
- if ((err == IMLIB_LOAD_ERROR_UNKNOWN)
- || (err == IMLIB_LOAD_ERROR_NO_LOADER_FOR_FILE_FORMAT)) {
- image_source = SRC_MAGICK;
- tmpname = feh_magick_load_image(file->filename);
+ if (opt.conversion_timeout >= 0 && (
+ (err == IMLIB_LOAD_ERROR_UNKNOWN) ||
+ (err == IMLIB_LOAD_ERROR_NO_LOADER_FOR_FILE_FORMAT))) {
+ if (feh_file_is_raw(file->filename)) {
+ image_source = SRC_DCRAW;
+ tmpname = feh_dcraw_load_image(file->filename);
+ if (!tmpname) {
+ feh_err = LOAD_ERROR_DCRAW;
+ }
+ } else {
+ image_source = SRC_MAGICK;
+ feh_err = LOAD_ERROR_IMLIB;
+ tmpname = feh_magick_load_image(file->filename);
+ if (!tmpname) {
+ feh_err = LOAD_ERROR_IMAGEMAGICK;
+ }
+ }
}
- if ((image_source != SRC_IMLIB) && tmpname) {
+ if (tmpname) {
*im = imlib_load_image_with_error_return(tmpname, &err);
- if (im) {
+ if (!err && im) {
real_filename = file->filename;
file->filename = tmpname;
+
+ /*
+ * feh does not associate a non-native image with its temporary
+ * filename and may delete the temporary file right after loading.
+ * To ensure that it is still aware of image size, dimensions, etc.,
+ * file_info is preloaded here. To avoid a memory leak when loading
+ * a non-native file multiple times in a slideshow, the file_info
+ * struct is freed first. If file->info is not set, feh_file_info_free
+ * is a no-op.
+ */
+ feh_file_info_free(file->info);
feh_file_info_load(file, *im);
+
file->filename = real_filename;
#ifdef HAVE_LIBEXIF
- file->ed = exif_get_data(tmpname);
+ /*
+ * if we're called from within feh_reload_image, file->ed is already
+ * populated.
+ */
+ if (file->ed) {
+ exif_data_unref(file->ed);
+ }
+ file->ed = exif_data_new_from_file(tmpname);
#endif
}
- if ((image_source == SRC_MAGICK) || !opt.keep_http)
+ if (!opt.use_conversion_cache && ((image_source != SRC_HTTP) || !opt.keep_http))
unlink(tmpname);
-
- free(tmpname);
+ // keep_http already performs an add_file_to_rm_filelist call
+ else if (opt.use_conversion_cache && !opt.keep_http)
+ // add_file_to_rm_filelist duplicates tmpname
+ add_file_to_rm_filelist(tmpname);
+
+ if (!opt.use_conversion_cache)
+ free(tmpname);
+ } else if (im) {
+#ifdef HAVE_LIBEXIF
+ /*
+ * if we're called from within feh_reload_image, file->ed is already
+ * populated.
+ */
+ if (file->ed) {
+ exif_data_unref(file->ed);
+ }
+ file->ed = exif_data_new_from_file(file->filename);
+#endif
}
if ((err) || (!im)) {
@@ -253,26 +432,47 @@ int feh_load_image(Imlib_Image * im, feh_file * file)
fputs("\n", stderr);
reset_output = 1;
}
- feh_imlib_print_load_error(file->filename, NULL, err);
+ feh_print_load_error(file->filename, NULL, err, feh_err);
D(("Load *failed*\n"));
return(0);
}
+ /*
+ * By default, Imlib2 unconditionally loads a cached file without checking
+ * if it was modified on disk. However, feh (or rather its users) should
+ * expect image changes to appear at the next reload. So we tell Imlib2 to
+ * always check the file modification time and only use a cached image if
+ * the mtime was not changed. The performance penalty is usually negligible.
+ */
+ imlib_context_set_image(*im);
+ imlib_image_set_changes_on_disk();
+
#ifdef HAVE_LIBEXIF
int orientation = 0;
- ExifData *exifData = exif_data_new_from_file(file->filename);
- if (exifData) {
- ExifByteOrder byteOrder = exif_data_get_byte_order(exifData);
- ExifEntry *exifEntry = exif_data_get_entry(exifData, EXIF_TAG_ORIENTATION);
- if (exifEntry && opt.auto_rotate)
+ if (file->ed) {
+ ExifByteOrder byteOrder = exif_data_get_byte_order(file->ed);
+ ExifEntry *exifEntry = exif_data_get_entry(file->ed, EXIF_TAG_ORIENTATION);
+ if (exifEntry && opt.auto_rotate) {
orientation = exif_get_short(exifEntry->data, byteOrder);
+ }
}
- file->ed = exifData;
- if (orientation == 3)
+ if (orientation == 2)
+ gib_imlib_image_flip_horizontal(*im);
+ else if (orientation == 3)
gib_imlib_image_orientate(*im, 2);
+ else if (orientation == 4)
+ gib_imlib_image_flip_vertical(*im);
+ else if (orientation == 5) {
+ gib_imlib_image_orientate(*im, 3);
+ gib_imlib_image_flip_vertical(*im);
+ }
else if (orientation == 6)
gib_imlib_image_orientate(*im, 1);
+ else if (orientation == 7) {
+ gib_imlib_image_orientate(*im, 3);
+ gib_imlib_image_flip_horizontal(*im);
+ }
else if (orientation == 8)
gib_imlib_image_orientate(*im, 3);
#endif
@@ -281,17 +481,201 @@ int feh_load_image(Imlib_Image * im, feh_file * file)
return(1);
}
+void feh_reload_image(winwidget w, int resize, int force_new)
+{
+ char *new_title;
+ int len;
+ Imlib_Image tmp;
+ int old_w, old_h;
+
+ if (!w->file) {
+ im_weprintf(w, "couldn't reload, this image has no file associated with it.");
+ winwidget_render_image(w, 0, 0);
+ return;
+ }
+
+ D(("resize %d, force_new %d\n", resize, force_new));
+
+ free(FEH_FILE(w->file->data)->caption);
+ FEH_FILE(w->file->data)->caption = NULL;
+
+ len = strlen(w->name) + sizeof("Reloading: ") + 1;
+ new_title = emalloc(len);
+ snprintf(new_title, len, "Reloading: %s", w->name);
+ winwidget_rename(w, new_title);
+ free(new_title);
+
+ old_w = gib_imlib_image_get_width(w->im);
+ old_h = gib_imlib_image_get_height(w->im);
+
+ /*
+ * If we don't free the old image before loading the new one, Imlib2's
+ * caching will get in our way.
+ * However, if --reload is used (force_new == 0), we want to continue if
+ * the new image cannot be loaded, so we must not free the old image yet.
+ */
+ if (force_new)
+ winwidget_free_image(w);
+
+ // if it's an external image, our own cache will also get in your way
+ char *sfn;
+ if (opt.use_conversion_cache && conversion_cache && (sfn = gib_hash_get(conversion_cache, FEH_FILE(w->file->data)->filename)) != NULL) {
+ free(sfn);
+ gib_hash_set(conversion_cache, FEH_FILE(w->file->data)->filename, NULL);
+ }
+
+ if ((feh_load_image(&tmp, FEH_FILE(w->file->data))) == 0) {
+ if (force_new)
+ eprintf("failed to reload image\n");
+ else {
+ im_weprintf(w, "Couldn't reload image. Is it still there?");
+ winwidget_render_image(w, 0, 0);
+ }
+ return;
+ }
+
+ if (!resize && ((old_w != gib_imlib_image_get_width(tmp)) ||
+ (old_h != gib_imlib_image_get_height(tmp))))
+ resize = 1;
+
+ if (!force_new)
+ winwidget_free_image(w);
+
+ w->im = tmp;
+ winwidget_reset_image(w);
+
+ w->mode = MODE_NORMAL;
+ if ((w->im_w != gib_imlib_image_get_width(w->im))
+ || (w->im_h != gib_imlib_image_get_height(w->im)))
+ w->had_resize = 1;
+ if (w->has_rotated) {
+ Imlib_Image temp;
+
+ temp = gib_imlib_create_rotated_image(w->im, 0.0);
+ w->im_w = gib_imlib_image_get_width(temp);
+ w->im_h = gib_imlib_image_get_height(temp);
+ gib_imlib_free_image_and_decache(temp);
+ } else {
+ w->im_w = gib_imlib_image_get_width(w->im);
+ w->im_h = gib_imlib_image_get_height(w->im);
+ }
+ winwidget_render_image(w, resize, 0);
+
+ return;
+}
+
+static int feh_file_is_raw(char *filename)
+{
+ childpid = fork();
+ if (childpid == -1) {
+ perror("fork");
+ return 0;
+ }
+
+ if (childpid == 0) {
+ int devnull = open("/dev/null", O_WRONLY);
+ dup2(devnull, 1);
+ dup2(devnull, 2);
+ execlp("dcraw", "dcraw", "-i", filename, NULL);
+ _exit(1);
+ } else {
+ int status;
+ do {
+ waitpid(childpid, &status, WUNTRACED);
+ if (WIFEXITED(status)) {
+ return !WEXITSTATUS(status);
+ }
+ } while (!WIFEXITED(status) && !WIFSIGNALED(status));
+ }
+
+ return 0;
+}
+
+static char *feh_dcraw_load_image(char *filename)
+{
+ char *basename;
+ char *tmpname;
+ char *sfn;
+ int fd = -1;
+
+ if (opt.use_conversion_cache) {
+ if (!conversion_cache)
+ conversion_cache = gib_hash_new();
+ if ((sfn = gib_hash_get(conversion_cache, filename)) != NULL)
+ return sfn;
+ }
+
+ basename = strrchr(filename, '/');
+
+ if (basename == NULL)
+ basename = filename;
+ else
+ basename++;
+
+ tmpname = feh_unique_filename("/tmp/", basename);
+
+ if (strlen(tmpname) > (NAME_MAX-6))
+ tmpname[NAME_MAX-7] = '\0';
+
+ sfn = estrjoin("_", tmpname, "XXXXXX", NULL);
+ free(tmpname);
+
+ fd = mkstemp(sfn);
+
+ if (fd == -1) {
+ free(sfn);
+ return NULL;
+ }
+
+ childpid = fork();
+ if (childpid == -1) {
+ weprintf("%s: Can't load with dcraw. Fork failed:", filename);
+ unlink(sfn);
+ free(sfn);
+ close(fd);
+ return NULL;
+ } else if (childpid == 0) {
+ dup2(fd, STDOUT_FILENO);
+ close(fd);
+
+ alarm(opt.conversion_timeout);
+ execlp("dcraw", "dcraw", "-c", "-e", filename, NULL);
+ _exit(1);
+ }
+
+ int status;
+ waitpid(-1, &status, 0);
+ if (WIFSIGNALED(status)) {
+ unlink(sfn);
+ free(sfn);
+ sfn = NULL;
+ if (!opt.quiet)
+ weprintf("%s - Conversion took too long, skipping", filename);
+ }
+
+ if ((sfn != NULL) && opt.use_conversion_cache)
+ gib_hash_set(conversion_cache, filename, sfn);
+
+ return sfn;
+}
+
static char *feh_magick_load_image(char *filename)
{
- char argv_fd[12];
+ char *argv_fn;
char *basename;
char *tmpname;
char *sfn;
+ char tempdir[] = "/tmp/.feh-magick-tmp-XXXXXX";
int fd = -1, devnull = -1;
int status;
+ char created_tempdir = 0;
- if (opt.magick_timeout < 0)
- return NULL;
+ if (opt.use_conversion_cache) {
+ if (!conversion_cache)
+ conversion_cache = gib_hash_new();
+ if ((sfn = gib_hash_get(conversion_cache, filename)) != NULL)
+ return sfn;
+ }
basename = strrchr(filename, '/');
@@ -310,10 +694,33 @@ static char *feh_magick_load_image(char *filename)
fd = mkstemp(sfn);
- if (fd == -1)
+ if (fd == -1) {
+ free(sfn);
return NULL;
+ }
- snprintf(argv_fd, sizeof(argv_fd), "png:fd:%d", fd);
+ /*
+ * We could use png:fd:(whatever mkstemp returned) as target filename
+ * for convert, but this seems to be broken in some ImageMagick versions.
+ * So we resort to png:(sfn) instead.
+ */
+ argv_fn = estrjoin(":", "png", sfn, NULL);
+
+ /*
+ * By default, ImageMagick saves (occasionally lots of) temporary files
+ * in /tmp. It doesn't remove them if it runs into a timeout and is killed
+ * by us, no matter whether we use SIGINT, SIGTERM or SIGKILL. So, unless
+ * MAGICK_TMPDIR has already been set by the user, we create our own
+ * temporary directory for ImageMagick and remove its contents at the end of
+ * this function.
+ */
+ if (getenv("MAGICK_TMPDIR") == NULL) {
+ if (mkdtemp(tempdir) == NULL) {
+ weprintf("%s: ImageMagick may leave temporary files in /tmp. mkdtemp failed:", filename);
+ } else {
+ created_tempdir = 1;
+ }
+ }
if ((childpid = fork()) < 0) {
weprintf("%s: Can't load with imagemagick. Fork failed:", filename);
@@ -336,44 +743,89 @@ static char *feh_magick_load_image(char *filename)
*/
setpgid(0, 0);
- execlp("convert", "convert", filename, argv_fd, NULL);
+ if (created_tempdir) {
+ // no error checking - this is a best-effort code path
+ setenv("MAGICK_TMPDIR", tempdir, 0);
+ }
+
+ execlp("convert", "convert", filename, argv_fn, NULL);
_exit(1);
}
else {
- alarm(opt.magick_timeout);
+ alarm(opt.conversion_timeout);
waitpid(childpid, &status, 0);
- alarm(0);
- if (!WIFEXITED(status) || (WEXITSTATUS(status) != 0)) {
- close(fd);
+ kill(childpid, SIGKILL);
+ if (opt.conversion_timeout > 0 && !alarm(0)) {
unlink(sfn);
free(sfn);
sfn = NULL;
if (!opt.quiet) {
- if (WIFSIGNALED(status))
- weprintf("%s - Conversion took too long, skipping",
- filename);
+ weprintf("%s: Conversion took too long, skipping", filename);
}
-
- /*
- * Reap child. The previous waitpid call was interrupted by
- * alarm, but convert doesn't terminate immediately.
- * XXX
- * normally, if (WIFSIGNALED(status)) waitpid(childpid, &status, 0);
- * would suffice. However, as soon as feh has its own window,
- * this doesn't work anymore and the following workaround is
- * required. Hm.
- */
- waitpid(-1, &status, 0);
}
+ close(fd);
childpid = 0;
}
+ if (created_tempdir) {
+ DIR *dir;
+ struct dirent *de;
+ if ((dir = opendir(tempdir)) == NULL) {
+ weprintf("%s: Cannot remove temporary ImageMagick files from %s:", filename, tempdir);
+ } else {
+ while ((de = readdir(dir)) != NULL) {
+ if (de->d_name[0] != '.') {
+ char *temporary_file_name = estrjoin("/", tempdir, de->d_name, NULL);
+ /*
+ * We assume that ImageMagick only creates temporary files and
+ * not directories.
+ */
+ if (unlink(temporary_file_name) == -1) {
+ weprintf("unlink %s:", temporary_file_name);
+ }
+ free(temporary_file_name);
+ }
+ }
+ if (rmdir(tempdir) == -1) {
+ weprintf("rmdir %s:", tempdir);
+ }
+ }
+ closedir(dir);
+ }
+
+ free(argv_fn);
+
+ if ((sfn != NULL) && opt.use_conversion_cache)
+ gib_hash_set(conversion_cache, filename, sfn);
+
return sfn;
}
#ifdef HAVE_LIBCURL
+#if LIBCURL_VERSION_NUM >= 0x072000 /* 07.32.0 */
+static int curl_quit_function(void *clientp, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ultotal, curl_off_t ulnow)
+#else
+static int curl_quit_function(void *clientp, double dltotal, double dlnow, double ultotal, double ulnow)
+#endif
+{
+ // ignore "unused parameter" warnings
+ (void)clientp;
+ (void)dltotal;
+ (void)dlnow;
+ (void)ultotal;
+ (void)ulnow;
+ if (sig_exit) {
+ /*
+ * The user wants to quit feh. Tell libcurl to abort the transfer and
+ * return control to the main loop, where we can quit gracefully.
+ */
+ return 1;
+ }
+ return 0;
+}
+
static char *feh_http_load_image(char *url)
{
CURL *curl;
@@ -386,6 +838,13 @@ static char *feh_http_load_image(char *url)
char *basename;
char *path = NULL;
+ if (opt.use_conversion_cache) {
+ if (!conversion_cache)
+ conversion_cache = gib_hash_new();
+ if ((sfn = gib_hash_get(conversion_cache, url)) != NULL)
+ return sfn;
+ }
+
if (opt.keep_http) {
if (opt.output_dir)
path = opt.output_dir;
@@ -401,36 +860,73 @@ static char *feh_http_load_image(char *url)
}
basename = strrchr(url, '/') + 1;
- tmpname = feh_unique_filename(path, basename);
- if (strlen(tmpname) > (NAME_MAX-6))
- tmpname[NAME_MAX-7] = '\0';
+#ifdef HAVE_MKSTEMPS
+ tmpname = estrjoin("_", "feh_curl_XXXXXX", basename, NULL);
- sfn = estrjoin("_", tmpname, "XXXXXX", NULL);
+ if (strlen(tmpname) > NAME_MAX) {
+ tmpname[NAME_MAX] = '\0';
+ }
+#else
+ if (strlen(basename) > NAME_MAX-7) {
+ tmpname = estrdup("feh_curl_XXXXXX");
+ } else {
+ tmpname = estrjoin("_", "feh_curl", basename, "XXXXXX", NULL);
+ }
+#endif
+
+ sfn = estrjoin("", path, tmpname, NULL);
free(tmpname);
+ D(("sfn is %s\n", sfn))
+
+#ifdef HAVE_MKSTEMPS
+ fd = mkstemps(sfn, strlen(basename) + 1);
+#else
fd = mkstemp(sfn);
+#endif
+
if (fd != -1) {
sfp = fdopen(fd, "w+");
if (sfp != NULL) {
#ifdef DEBUG
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
#endif
+ /*
+ * Do not allow requests to take longer than 30 minutes.
+ * This should be sufficiently high to accommodate use cases with
+ * unusually high latencies, while at the same time avoiding
+ * feh hanging indefinitely in unattended slideshows.
+ */
+ curl_easy_setopt(curl, CURLOPT_TIMEOUT, 1800);
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, sfp);
ebuff = emalloc(CURL_ERROR_SIZE);
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, ebuff);
+ curl_easy_setopt(curl, CURLOPT_USERAGENT, PACKAGE "/" VERSION);
curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1L);
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
+#if LIBCURL_VERSION_NUM >= 0x072000 /* 07.32.0 */
+ curl_easy_setopt(curl, CURLOPT_XFERINFOFUNCTION, curl_quit_function);
+#else
+ curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, curl_quit_function);
+#endif
+ curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0);
if (opt.insecure_ssl) {
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
+ } else if (getenv("CURL_CA_BUNDLE") != NULL) {
+ // Allow the user to specify custom CA certificates.
+ curl_easy_setopt(curl, CURLOPT_CAINFO,
+ getenv("CURL_CA_BUNDLE"));
}
res = curl_easy_perform(curl);
curl_easy_cleanup(curl);
if (res != CURLE_OK) {
- weprintf("open url: %s", ebuff);
+ if (res != CURLE_ABORTED_BY_CALLBACK) {
+ weprintf("open url: %s", ebuff);
+ }
unlink(sfn);
close(fd);
free(sfn);
@@ -439,6 +935,8 @@ static char *feh_http_load_image(char *url)
free(ebuff);
fclose(sfp);
+ if (opt.use_conversion_cache)
+ gib_hash_set(conversion_cache, url, sfn);
return sfn;
} else {
weprintf("open url: fdopen failed:");
@@ -447,7 +945,11 @@ static char *feh_http_load_image(char *url)
close(fd);
}
} else {
+#ifdef HAVE_MKSTEMPS
+ weprintf("open url: mkstemps failed:");
+#else
weprintf("open url: mkstemp failed:");
+#endif
free(sfn);
}
curl_easy_cleanup(curl);
@@ -459,7 +961,7 @@ static char *feh_http_load_image(char *url)
char *feh_http_load_image(char *url)
{
weprintf(
- "Cannot load image %s\n Please recompile with libcurl support",
+ "Cannot load image %s\nPlease recompile feh with libcurl support",
url
);
return NULL;
@@ -675,11 +1177,12 @@ void feh_draw_exif(winwidget w)
fn = feh_load_font(w);
- if (buffer == NULL)
+ if (buffer[0] == '\0')
{
- snprintf(buffer, EXIF_MAX_DATA, "%s", estrdup("Failed to run exif command"));
- gib_imlib_get_text_size(fn, &buffer[0], NULL, &width, &height, IMLIB_TEXT_TO_RIGHT);
- no_lines = 1;
+ snprintf(buffer, EXIF_MAX_DATA, "%s", "Failed to run exif command");
+ gib_imlib_get_text_size(fn, buffer, NULL, &width, &height, IMLIB_TEXT_TO_RIGHT);
+ info_buf[no_lines] = estrdup(buffer);
+ no_lines++;
}
else
{
@@ -688,29 +1191,28 @@ void feh_draw_exif(winwidget w)
{
/* max 128 lines */
pos2 = 0;
- while ( pos2 < 256 ) /* max 256 chars per line */
+ while ( pos2 < 255 ) /* max 255 chars + 1 null byte per line */
{
if ( (buffer[pos] != '\n')
&& (buffer[pos] != '\0') )
{
- info_line[pos2] = buffer[pos];
- }
- else if ( buffer[pos] == '\0' )
- {
- pos = EXIF_MAX_DATA; /* all data seen */
- info_line[pos2] = '\0';
+ info_line[pos2] = buffer[pos];
+ }
+ else if ( buffer[pos] == '\0' )
+ {
+ pos = EXIF_MAX_DATA; /* all data seen */
+ break;
+ }
+ else
+ {
+ pos++; /* line finished, continue with next line*/
+ break;
}
- else
- {
- info_line[pos2] = '\0'; /* line finished, continue with next line*/
-
- pos++;
- break;
- }
- pos++;
- pos2++;
+ pos++;
+ pos2++;
}
+ info_line[pos2] = '\0';
gib_imlib_get_text_size(fn, info_line, NULL, &line_width,
&line_height, IMLIB_TEXT_TO_RIGHT);
@@ -745,6 +1247,7 @@ void feh_draw_exif(winwidget w)
info_buf[i], IMLIB_TEXT_TO_RIGHT, 0, 0, 0, 255);
gib_imlib_text_draw(im, fn, NULL, 1, (i * line_height) + 1,
info_buf[i], IMLIB_TEXT_TO_RIGHT, 255, 255, 255, 255);
+ free(info_buf[i]);
}
@@ -1032,8 +1535,32 @@ void feh_edit_inplace(winwidget w, int op)
if (!w->file || !w->file->data || !FEH_FILE(w->file->data)->filename)
return;
- if (!strcmp(gib_imlib_image_format(w->im), "jpeg") &&
- !path_is_url(FEH_FILE(w->file->data)->filename)) {
+ if (!opt.edit) {
+ imlib_context_set_image(w->im);
+ if (op == INPLACE_EDIT_FLIP)
+ imlib_image_flip_vertical();
+ else if (op == INPLACE_EDIT_MIRROR)
+ imlib_image_flip_horizontal();
+ else {
+ imlib_image_orientate(op);
+ if(op != 2) {
+ tmp = w->im_w;
+ w->im_w = w->im_h;
+ w->im_h = tmp;
+ }
+ if (FEH_FILE(w->file->data)->info) {
+ FEH_FILE(w->file->data)->info->width = w->im_w;
+ FEH_FILE(w->file->data)->info->height = w->im_h;
+ }
+ }
+ winwidget_render_image(w, 1, 0);
+ return;
+ }
+
+ // Imlib2 <= 1.5 returns "jpeg", Imlib2 >= 1.6 uses "jpg"
+ if ((!strcmp(gib_imlib_image_format(w->im), "jpeg")
+ || !strcmp(gib_imlib_image_format(w->im), "jpg"))
+ && !path_is_url(FEH_FILE(w->file->data)->filename)) {
feh_edit_inplace_lossless(w, op);
feh_reload_image(w, 1, 1);
return;
@@ -1053,8 +1580,8 @@ void feh_edit_inplace(winwidget w, int op)
FEH_FILE(w->file->data)->filename, &err);
gib_imlib_free_image(old);
if (err)
- feh_imlib_print_load_error(FEH_FILE(w->file->data)->filename,
- w, err);
+ feh_print_load_error(FEH_FILE(w->file->data)->filename,
+ w, err, LOAD_ERROR_IMLIB);
feh_reload_image(w, 1, 1);
} else {
/*
@@ -1069,8 +1596,12 @@ void feh_edit_inplace(winwidget w, int op)
else {
imlib_image_orientate(op);
tmp = w->im_w;
- FEH_FILE(w->file->data)->info->width = w->im_w = w->im_h;
- FEH_FILE(w->file->data)->info->height = w->im_h = tmp;
+ w->im_w = w->im_h;
+ w->im_h = tmp;
+ if (FEH_FILE(w->file->data)->info) {
+ FEH_FILE(w->file->data)->info->width = w->im_w;
+ FEH_FILE(w->file->data)->info->height = w->im_h;
+ }
}
im_weprintf(w, "unable to edit in place. Changes have not been saved.");
winwidget_render_image(w, 1, 0);
@@ -1262,7 +1793,7 @@ void feh_draw_actions(winwidget w)
int i = 0;
int num_actions = 0;
int cur_action = 0;
- char index[2];
+ char index[3];
char *line;
/* Count number of defined actions. This method sucks a bit since it needs