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| author | Colomban Wendling <[email protected]> | 2024-01-23 23:08:04 +0100 |
|---|---|---|
| committer | raveit65 <[email protected]> | 2024-01-31 14:08:57 +0100 |
| commit | d39e5c2ef97352e4385b9cec69032bfc0124050f (patch) | |
| tree | 539bb38d401768670ba763d515bd5d008b507bf8 /src/fr-command-zip.c | |
| parent | 01a64cddcd20b8b6647962e1336a3bb608d39a02 (diff) | |
| download | engrampa-d39e5c2ef97352e4385b9cec69032bfc0124050f.tar.bz2 engrampa-d39e5c2ef97352e4385b9cec69032bfc0124050f.tar.xz | |
zip: Fix crashes on buggy zip output
Fix crash if the `zip` command emits a line starting with one of 'd?-'
yet having less than 8 fields in it, or if the date field is malformed.
Diffstat (limited to 'src/fr-command-zip.c')
| -rw-r--r-- | src/fr-command-zip.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/fr-command-zip.c b/src/fr-command-zip.c index cd191bd..acdc5ad 100644 --- a/src/fr-command-zip.c +++ b/src/fr-command-zip.c @@ -59,6 +59,10 @@ mktime_from_string (char *datetime_s) char *min; char *sec; + /* expected YYYYMMDD.HHMMSS */ + if (strlen (datetime_s) < 15) + return mktime (&tm); + tm.tm_isdst = -1; /* date */ @@ -124,9 +128,14 @@ list__process_line (char *line, /**/ + fields = split_line (line, 7); + if (g_strv_length (fields) < 7) { + g_strfreev (fields); + return; + } + fdata = file_data_new (); - fields = split_line (line, 7); fdata->size = g_ascii_strtoull (fields[3], NULL, 10); fdata->modified = mktime_from_string (fields[6]); fdata->encrypted = (*fields[4] == 'B') || (*fields[4] == 'T'); @@ -135,6 +144,8 @@ list__process_line (char *line, /* Full path */ name_field = get_last_field (line, 8); + if (name_field == NULL) + name_field = ""; if (*name_field == '/') { fdata->full_path = g_strdup (name_field); |