travis: install missing deps for the Coverity run

Let's install libzstd & libfido2 to cover two recently added features.
In case of libfido2 this should also get rid of the 'dead code' issues
found by Coverity, like CID#1430168, CID#1430167, CID#1430166, or
CID#1430165.

src/libsystemd/sd-device/sd-device.c

@@ -1564,34 +1564,68 @@ _public_ const char *sd_device_get_property_next(sd_device *device, const char *
         return key;
 }
 
-static int device_sysattrs_read_all(sd_device *device) {
+static int device_sysattrs_read_all_internal(sd_device *device, const char *subdir) {
+        _cleanup_free_ char *path_dir = NULL;
         _cleanup_closedir_ DIR *dir = NULL;
-        const char *syspath;
         struct dirent *dent;
+        const char *syspath;
         int r;
 
-        assert(device);
-
-        if (device->sysattrs_read)
-                return 0;
-
         r = sd_device_get_syspath(device, &syspath);
         if (r < 0)
                 return r;
 
-        dir = opendir(syspath);
+        if (subdir) {
+                _cleanup_free_ char *p = NULL;
+
+                p = path_join(syspath, subdir, "uevent");
+                if (!p)
+                        return -ENOMEM;
+
+                if (access(p, F_OK) >= 0)
+                        /* this is a child device, skipping */
+                        return 0;
+                if (errno != ENOENT) {
+                        log_debug_errno(errno, "Failed to stat %s, ignoring subdir: %m", p);
+                        return 0;
+                }
+
+                path_dir = path_join(syspath, subdir);
+                if (!path_dir)
+                        return -ENOMEM;
+        }
+
+        dir = opendir(path_dir ?: syspath);
         if (!dir)
                 return -errno;
 
         FOREACH_DIRENT_ALL(dent, dir, return -errno) {
-                _cleanup_free_ char *path = NULL;
+                _cleanup_free_ char *path = NULL, *p = NULL;
                 struct stat statbuf;
 
-                /* only handle symlinks and regular files */
-                if (!IN_SET(dent->d_type, DT_LNK, DT_REG))
+                if (dot_or_dot_dot(dent->d_name))
                         continue;
 
-                path = path_join(syspath, dent->d_name);
+                /* only handle symlinks, regular files, and directories */
+                if (!IN_SET(dent->d_type, DT_LNK, DT_REG, DT_DIR))
+                        continue;
+
+                if (subdir) {
+                        p = path_join(subdir, dent->d_name);
+                        if (!p)
+                                return -ENOMEM;
+                }
+
+                if (dent->d_type == DT_DIR) {
+                        /* read subdirectory */
+                        r = device_sysattrs_read_all_internal(device, p ?: dent->d_name);
+                        if (r < 0)
+                                return r;
+
+                        continue;
+                }
+
+                path = path_join(syspath, p ?: dent->d_name);
                 if (!path)
                         return -ENOMEM;
 
@@ -1601,11 +1635,26 @@ static int device_sysattrs_read_all(sd_device *device) {
                 if (!(statbuf.st_mode & S_IRUSR))
                         continue;
 
-                r = set_put_strdup(&device->sysattrs, dent->d_name);
+                r = set_put_strdup(&device->sysattrs, p ?: dent->d_name);
                 if (r < 0)
                         return r;
         }
 
+        return 0;
+}
+
+static int device_sysattrs_read_all(sd_device *device) {
+        int r;
+
+        assert(device);
+
+        if (device->sysattrs_read)
+                return 0;
+
+        r = device_sysattrs_read_all_internal(device, NULL);
+        if (r < 0)
+                return r;
+
         device->sysattrs_read = true;
 
         return 0;

src/udev/udevadm-info.c

@@ -17,6 +17,7 @@
 #include "device-util.h"
 #include "dirent-util.h"
 #include "fd-util.h"
+#include "sort-util.h"
 #include "string-table.h"
 #include "string-util.h"
 #include "udev-util.h"
@@ -56,9 +57,36 @@ static bool skip_attribute(const char *name) {
         return string_table_lookup(skip, ELEMENTSOF(skip), name) >= 0;
 }
 
-static void print_all_attributes(sd_device *device, const char *key) {
+typedef struct SysAttr {
+        const char *name;
+        const char *value;
+} SysAttr;
+
+static int sysattr_compare(const SysAttr *a, const SysAttr *b) {
+        return strcmp(a->name, b->name);
+}
+
+static int print_all_attributes(sd_device *device, bool is_parent) {
+        _cleanup_free_ SysAttr *sysattrs = NULL;
+        size_t n_items = 0, n_allocated = 0;
         const char *name, *value;
 
+        value = NULL;
+        (void) sd_device_get_devpath(device, &value);
+        printf("  looking at %sdevice '%s':\n", is_parent ? "parent " : "", strempty(value));
+
+        value = NULL;
+        (void) sd_device_get_sysname(device, &value);
+        printf("    %s==\"%s\"\n", is_parent ? "KERNELS" : "KERNEL", strempty(value));
+
+        value = NULL;
+        (void) sd_device_get_subsystem(device, &value);
+        printf("    %s==\"%s\"\n", is_parent ? "SUBSYSTEMS" : "SUBSYSTEM", strempty(value));
+
+        value = NULL;
+        (void) sd_device_get_driver(device, &value);
+        printf("    %s==\"%s\"\n", is_parent ? "DRIVERS" : "DRIVER", strempty(value));
+
         FOREACH_DEVICE_SYSATTR(device, name) {
                 size_t len;
 
@@ -79,14 +107,29 @@ static void print_all_attributes(sd_device *device, const char *key) {
                 if (len > 0)
                         continue;
 
-                printf("    %s{%s}==\"%s\"\n", key, name, value);
+                if (!GREEDY_REALLOC(sysattrs, n_allocated, n_items + 1))
+                        return log_oom();
+
+                sysattrs[n_items] = (SysAttr) {
+                        .name = name,
+                        .value = value,
+                };
+                n_items++;
         }
+
+        typesafe_qsort(sysattrs, n_items, sysattr_compare);
+
+        for (size_t i = 0; i < n_items; i++)
+                printf("    %s{%s}==\"%s\"\n", is_parent ? "ATTRS" : "ATTR", sysattrs[i].name, sysattrs[i].value);
+
         puts("");
+
+        return 0;
 }
 
 static int print_device_chain(sd_device *device) {
         sd_device *child, *parent;
-        const char *str;
+        int r;
 
         printf("\n"
                "Udevadm info starts with the device specified by the devpath and then\n"
@@ -96,30 +139,14 @@ static int print_device_chain(sd_device *device) {
                "and the attributes from one single parent device.\n"
                "\n");
 
-        (void) sd_device_get_devpath(device, &str);
-        printf("  looking at device '%s':\n", str);
-        (void) sd_device_get_sysname(device, &str);
-        printf("    KERNEL==\"%s\"\n", str);
-        if (sd_device_get_subsystem(device, &str) < 0)
-                str = "";
-        printf("    SUBSYSTEM==\"%s\"\n", str);
-        if (sd_device_get_driver(device, &str) < 0)
-                str = "";
-        printf("    DRIVER==\"%s\"\n", str);
-        print_all_attributes(device, "ATTR");
+        r = print_all_attributes(device, false);
+        if (r < 0)
+                return r;
 
         for (child = device; sd_device_get_parent(child, &parent) >= 0; child = parent) {
-                (void) sd_device_get_devpath(parent, &str);
-                printf("  looking at parent device '%s':\n", str);
-                (void) sd_device_get_sysname(parent, &str);
-                printf("    KERNELS==\"%s\"\n", str);
-                if (sd_device_get_subsystem(parent, &str) < 0)
-                        str = "";
-                printf("    SUBSYSTEMS==\"%s\"\n", str);
-                if (sd_device_get_driver(parent, &str) < 0)
-                        str = "";
-                printf("    DRIVERS==\"%s\"\n", str);
-                print_all_attributes(parent, "ATTRS");
+                r = print_all_attributes(parent, true);
+                if (r < 0)
+                        return r;
         }
 
         return 0;

travis-ci/managers/fedora.sh

@@ -18,11 +18,15 @@ REPO_ROOT="${REPO_ROOT:-$PWD}"
 ADDITIONAL_DEPS=(
     clang
     dnf-plugins-core
-    hostname libasan
-    jq iputils
+    hostname
+    iputils
+    jq
+    libasan
     libfdisk-devel
+    libfido2-devel
     libpwquality-devel
     libubsan
+    libzstd-devel
     llvm
     openssl-devel
     p11-kit-devel