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| author |  smitsohu <smitsohu@gmail.com> | 2022-03-10 14:43:17 +0100 |
|---|---|---|
| committer | smitsohu <smitsohu@gmail.com> | 2022-03-10 14:43:17 +0100 |
| commit | 4d3d3270883140535cc6ea5a190aebdf6f3dc120 (patch) | |
| tree | 7bae03cfce71b7f13bba30fe907354d97d40df74 /src/fnetfilter/main.c | |
| parent | RELNOTES: add warning about allow-tray (diff) | |
| download | firejail-4d3d3270883140535cc6ea5a190aebdf6f3dc120.tar.gz firejail-4d3d3270883140535cc6ea5a190aebdf6f3dc120.tar.zst firejail-4d3d3270883140535cc6ea5a190aebdf6f3dc120.zip | |
refactor meta character filtering
Diffstat (limited to 'src/fnetfilter/main.c')
| -rw-r--r-- | src/fnetfilter/main.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/fnetfilter/main.c b/src/fnetfilter/main.c index 081408ab3..a89e12933 100644 --- a/src/fnetfilter/main.c +++ b/src/fnetfilter/main.c | |||
| @@ -187,10 +187,9 @@ printf("\n"); | |||
| 187 | char *command = (argc == 3)? argv[1]: NULL; | 187 | char *command = (argc == 3)? argv[1]: NULL; |
| 188 | //printf("command %s\n", command); | 188 | //printf("command %s\n", command); |
| 189 | //printf("destfile %s\n", destfile); | 189 | //printf("destfile %s\n", destfile); |
| 190 | |||
| 190 | // destfile is a real filename | 191 | // destfile is a real filename |
| 191 | int len = strlen(destfile); | 192 | reject_meta_chars(destfile, 0); |
| 192 | if (strcspn(destfile, "\\&!?\"'<>%^(){};,*[]") != (size_t)len) | ||
| 193 | err_exit_cannot_open_file(destfile); | ||
| 194 | 193 | ||
| 195 | // handle default config (command = NULL, destfile) | 194 | // handle default config (command = NULL, destfile) |
| 196 | if (command == NULL) { | 195 | if (command == NULL) { |