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add $RANDOM debashifying to readme

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zawz 2021-03-26 16:10:42 +01:00
parent a1b2d74940
commit 9608f2556b
2 changed files with 10 additions and 2 deletions
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2
Makefile
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@ -56,7 +56,7 @@ $(ODIR)/%.o: $(SRCDIR)/%.c $(DEPS)
$(ODIR)/%.o: $(SRCDIR)/%.cpp $(DEPS) $(ODIR)/%.o: $(SRCDIR)/%.cpp $(DEPS)
$(CC) $(CXXFLAGS) -c -o $@ $< $(CC) $(CXXFLAGS) -c -o $@ $<
$(ODIR)/main.o: $(SRCDIR)/main.cpp $(DEPS) $(IDIR)/g_version.h $(ODIR)/options.o: $(SRCDIR)/options.cpp $(DEPS) $(IDIR)/g_version.h
$(CC) $(CXXFLAGS) -c -o $@ $< $(CC) $(CXXFLAGS) -c -o $@ $<
$(ODIR)/shellcode.o: $(SRCDIR)/shellcode.cpp $(DEPS) $(IDIR)/g_shellcode.h $(ODIR)/shellcode.o: $(SRCDIR)/shellcode.cpp $(DEPS) $(IDIR)/g_shellcode.h

10
README.md
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@ -68,6 +68,7 @@ The following bash features can be debashified:
- `>&`, `&>` and `&>>` output redirects - `>&`, `&>` and `&>>` output redirects
- `[[ ]]` conditions - `[[ ]]` conditions
- indexed arrays and associative arrays (+ their `declare` and `typeset` definitions) - indexed arrays and associative arrays (+ their `declare` and `typeset` definitions)
- `$RANDOM`
### Advantages ### Advantages
@ -77,6 +78,13 @@ The following bash features can be debashified:
### Limitations ### Limitations
#### $RANDOM
Debashifying of $RANDOM assumes /dev/urandom exists and provides proper randomness. <br>
The debashified $RANDOM generates numbers in range 0:65535 instead of 0:32767.
Debashified calls of $RANDOM have major performance loss
#### Process substitution #### Process substitution
The debashifying of process substitution assumes that /dev/urandom will exist and will provide proper randomness. <br> The debashifying of process substitution assumes that /dev/urandom will exist and will provide proper randomness. <br>
@ -98,7 +106,7 @@ Getting the value of an array without index will give the full value instead of
> To avoid such situation, always get values from an index in your array > To avoid such situation, always get values from an index in your array
Arrays are store as strings. Indexed arrays are delimited by tabs and associative arrays by newlines, Arrays are stored as strings. Indexed arrays are delimited by tabs and associative arrays by newlines,
This means inserting values containing these characters will have undesired behavior. This means inserting values containing these characters will have undesired behavior.
Debashified arrays have substantially reduced performance. Debashified arrays have substantially reduced performance.