Use https URLs where we can (#793)

docs/commands.md

@@ -14,7 +14,7 @@ improve it.
 |`aslr`                      | View/modify GDB ASLR behavior.|
 |`assemble`                  | Inline code assemble. Architecture can be set in GEF runtime config (default is x86).  (alias: `asm`) |
 |`capstone-disassemble`      | Use capstone disassembly framework to disassemble code. (alias: `cs-dis`) |
-|`checksec`                  | Checksec.sh(http://www.trapkit.de/tools/checksec.html) port. |
+|`checksec`                  | Checksec.sh(https://www.trapkit.de/tools/checksec.html) port. |
 |`context`                   | Display execution context. (alias: `ctx`)|
 |`dereference`               | Dereference recursively an address and display information (alias: telescope, dps)|
 |`edit-flags`                | Edit flags in a human friendly way (alias: `flags`)|
@@ -43,7 +43,7 @@ improve it.
 |`process-status`            | Extends the info given by GDB `info proc`, by giving an exhaustive description of the process status.|
 |`registers`                 | Display full details on one, many or all registers value from current architecture.|
 |`reset-cache`               | Reset cache of all stored data.|
-|`ropper`                    | Ropper (http://scoding.de/ropper) plugin for GEF|
+|`ropper`                    | Ropper (https://scoding.de/ropper) plugin for GEF|
 |`scan`                      | Search for addresses that are located in a memory mapping (haystack) that belonging to another (needle). (alias: `lookup`)|
 |`search-pattern`            | SearchPatternCommand: search a pattern in memory. (alias: `grep`)|
 |`set-permission`            | Change a page permission. By default, it will change it to RWX. (alias: `mprotect`)|

docs/commands/assemble.md

@@ -1,6 +1,6 @@
 ## Command assemble ##
 
-If you have installed [`keystone`](http://www.keystone-engine.org/), then `gef`
+If you have installed [`keystone`](https://www.keystone-engine.org/), then `gef`
 will provide a convenient command to assemble native instructions directly to
 opcodes of the architecture you are currently debugging.
 

docs/commands/checksec.md

@@ -1,7 +1,7 @@
 ## Command checksec ##
 
 The `checksec` command is inspired from
-[`checksec.sh`](http://www.trapkit.de/tools/checksec.html). It provides a
+[`checksec.sh`](https://www.trapkit.de/tools/checksec.html). It provides a
 convenient way to determine which security protections are enabled in a binary.
 
 You can use the command on the currently debugged process:

docs/commands/heap-analysis-helper.md

@@ -72,4 +72,4 @@ subcommand:
 gef➤  heap-analysis-helper show
 ```
 
-![heap-analysis-helper-show](http://i.imgur.com/0I4jBWJ.png)
+![heap-analysis-helper-show](https://i.imgur.com/0I4jBWJ.png)

docs/commands/heap.md

@@ -2,7 +2,7 @@
 
 The `heap` command provides information on the heap chunk specified as argument. For
 the moment, it only supports GlibC heap format (see
-[this link](http://code.woboq.org/userspace/glibc/malloc/malloc.c.html#malloc_chunk)
+[this link](https://code.woboq.org/userspace/glibc/malloc/malloc.c.html#malloc_chunk)
 for `malloc` structure information). Syntax to the subcommands is straight forward:
 
 ```

docs/commands/stub.md

@@ -26,8 +26,8 @@ Patching `fork()` calls:
 
 * Without stub:
 
-![fork execution](http://i.imgur.com/TjnTDot.png)
+![fork execution](https://i.imgur.com/TjnTDot.png)
 
 * With stub:
 
-![stubbed fork](http://i.imgur.com/CllTnRH.png)
+![stubbed fork](https://i.imgur.com/CllTnRH.png)

docs/commands/syscall-args.md

@@ -1,7 +1,9 @@
 ## Command syscall-args ##
 
-Often it is troublesome to have to refer to syscall tables every time we encounter a system call instruction.
-`gef` can be used to determine the system call being invoked and the arguments being passed to it. Requires [gef-extras](http://github.com/hugsy/gef-extras).
+Often it is troublesome to have to refer to syscall tables every time we
+encounter a system call instruction. `gef` can be used to determine the system
+call being invoked and the arguments being passed to it. Requires
+[gef-extras](https://github.com/hugsy/gef-extras).
 
 To use it, simply run
 ```

docs/commands/trace-run.md

@@ -14,8 +14,8 @@ gef> trace-run <address_of_last_instruction_to_trace>
 
 ![trace-run-1](https://i.imgur.com/yaOGste.png)
 
-By using the script `ida_color_gdb_trace.py` on the text file generated, it will
-color the path taken:
+By using the script `ida_color_gdb_trace.py` on the text file generated, it
+will color the path taken:
 
-![trace-run-2](http://i.imgur.com/oAGoSMQ.png)
+![trace-run-2](https://i.imgur.com/oAGoSMQ.png)
 

docs/commands/vmmap.md

@@ -13,6 +13,6 @@ sections set as Read/Write/Execute.
 `vmmap` accepts one argument, either a pattern to match again mapping names,
 or an address to determine which section it belongs to.
 
-![vmmap-grep](http://i.imgur.com/ZFF4QVf.png)
+![vmmap-grep](https://i.imgur.com/ZFF4QVf.png)
 
 ![vmmap-address](https://i.imgur.com/hfcs1jH.png)

docs/commands/xfiles.md

@@ -4,4 +4,4 @@
 files` allowing you to filter by pattern given in argument. For example, if you
 only want to show the code sections (i.e. `.text`):
 
-![xfiles-example](http://i.imgur.com/lelnJ5B.png)
+![xfiles-example](https://i.imgur.com/lelnJ5B.png)

docs/faq.md

@@ -113,9 +113,14 @@ to run smoothly.
 
 ## I want to contribute, where should I head first? ##
 
-I would suggest thoroughly reading this documentation, just having a look to the [CONTRIBUTE](https://github.com/hugsy/gef/blob/master/.github/CONTRIBUTING.md) file of the project to give you pointers.
+I would suggest thoroughly reading this documentation, just having a look to
+the
+[CONTRIBUTE](https://github.com/hugsy/gef/blob/master/.github/CONTRIBUTING.md)
+file of the project to give you pointers.
 
-Also a good thing would be to join our [Discord channel](https://discord.gg/HCS8Hg7) to get in touch with the people involved/using it.
+Also a good thing would be to join our [Discord
+channel](https://discord.gg/HCS8Hg7) to get in touch with the people
+involved/using it.
 
 
 ## I think I've found a bug, how can I help fixing it? ##
@@ -127,13 +132,13 @@ In most locations, Python exceptions will be properly intercepted. If not, `gef`
 wraps all commands with a generic exception handler, to disturb as little as
 possible your debugging session. If it happens, you'll only get to see a message
 like this:
-![gef-exception](http://i.imgur.com/J7dUnXV.png)
+![gef-exception](https://i.imgur.com/J7dUnXV.png)
 
 By switching to debug mode, `gef` will give much more information:
 ```
 gef➤  gef config gef.debug 1
 ```
-![gef-debug](http://i.imgur.com/SGe8oFF.png)
+![gef-debug](https://i.imgur.com/SGe8oFF.png)
 
 If you think fixing it is in your skills, then send a [Pull
 Request](https://github.com/hugsy/gef/pulls) with your patched version,
@@ -146,14 +151,13 @@ will greatly help for solving the issue.
 
 ## I get weird issues/characters using GDB + Python3, what's up? ##
 
-Chances are you are not using UTF-8. Python3
-is [highly relying on UTF-8](http://www.diveintopython3.net/strings.html) to
-display correctly characters of any alphabet
-and
-[also some cool emojis](http://unicode.org/emoji/charts/full-emoji-list.html). When
-GDB is compiled with Python3, GEF will assume that your current charset is UTF-8
-(for instance, `en_US.UTF-8`). Use your `$LANG` environment variable to tweak
-this setting.
+Chances are you are not using UTF-8. Python3 is [highly relying on
+UTF-8](https://www.diveintopython3.net/strings.html) to display correctly
+characters of any alphabet and [also some cool
+emojis](https://unicode.org/emoji/charts/full-emoji-list.html). When GDB is
+compiled with Python3, GEF will assume that your current charset is UTF-8 (for
+instance, `en_US.UTF-8`). Use your `$LANG` environment variable to tweak this
+setting.
 
 In addition, some unexpected results were observed when your local is not set to
 English. If you aren't sure, simply run `gdb` like this:

gef.py

@@ -727,8 +727,8 @@ class Elf:
     """Basic ELF parsing.
     Ref:
     - http://www.skyfree.org/linux/references/ELF_Format.pdf
-    - http://refspecs.linuxfoundation.org/elf/elfspec_ppc.pdf
-    - http://refspecs.linuxfoundation.org/ELF/ppc64/PPC-elf64abi.html
+    - https://refspecs.linuxfoundation.org/elf/elfspec_ppc.pdf
+    - https://refspecs.linuxfoundation.org/ELF/ppc64/PPC-elf64abi.html
     """
     ELF_32_BITS       = 0x01
     ELF_64_BITS       = 0x02
@@ -2321,7 +2321,7 @@ class ARM(Architecture):
                      "$r7", "$r8", "$r9", "$r10", "$r11", "$r12", "$sp",
                      "$lr", "$pc", "$cpsr",]
 
-    # http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0041c/Caccegih.html
+    # https://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0041c/Caccegih.html
     nop_insn = b"\x01\x10\xa0\xe1" # mov r1, r1
     return_register = "$r0"
     flag_register = "$cpsr"
@@ -2381,7 +2381,7 @@ def is_ret(self, insn) -> Optional[bool]:
         return
 
     def flag_register_to_human(self, val: Optional[int] = None) -> str:
-        # http://www.botskool.com/user-pages/tutorials/electronics/arm-7-tutorial-part-1
+        # https://www.botskool.com/user-pages/tutorials/electronics/arm-7-tutorial-part-1
         if val is None:
             reg = self.flag_register
             val = gef.arch.register(reg)
@@ -2393,7 +2393,7 @@ def is_conditional_branch(self, insn) -> bool:
 
     def is_branch_taken(self, insn) -> Tuple[bool, str]:
         mnemo = insn.mnemonic
-        # ref: http://www.davespace.co.uk/arm/introduction-to-arm/conditional.html
+        # ref: https://www.davespace.co.uk/arm/introduction-to-arm/conditional.html
         flags = dict((self.flags_table[k], k) for k in self.flags_table)
         val = gef.arch.register(self.flag_register)
         taken, reason = False, ""
@@ -2490,7 +2490,7 @@ def is_call(self, insn) -> bool:
         return mnemo in call_mnemos
 
     def flag_register_to_human(self, val: Optional[int] = None) -> str:
-        # http://events.linuxfoundation.org/sites/events/files/slides/KoreaLinuxForum-2014.pdf
+        # https://events.linuxfoundation.org/sites/events/files/slides/KoreaLinuxForum-2014.pdf
         reg = self.flag_register
         if not val:
             val = gef.arch.register(reg)
@@ -2750,7 +2750,7 @@ class PowerPC(Architecture):
         "$r24", "$r25", "$r26", "$r27", "$r28", "$r29", "$r30", "$r31",
         "$pc", "$msr", "$cr", "$lr", "$ctr", "$xer", "$trap",]
     instruction_length = 4
-    nop_insn = b"\x60\x00\x00\x00" # http://www.ibm.com/developerworks/library/l-ppc/index.html
+    nop_insn = b"\x60\x00\x00\x00" # https://developer.ibm.com/articles/l-ppc/
     return_register = "$r0"
     flag_register = "$cr"
     flags_table = {
@@ -2769,7 +2769,7 @@ class PowerPC(Architecture):
     syscall_instructions = ["sc"]
 
     def flag_register_to_human(self, val: Optional[int] = None) -> str:
-        # http://www.cebix.net/downloads/bebox/pem32b.pdf (% 2.1.3)
+        # https://www.cebix.net/downloads/bebox/pem32b.pdf (% 2.1.3)
         if not val:
             reg = self.flag_register
             val = gef.arch.register(reg)
@@ -2809,7 +2809,7 @@ def get_ra(self, insn, frame) -> Optional[int]:
 
     @classmethod
     def mprotect_asm(cls, addr: int, size: int, perm) -> str:
-        # Ref: http://www.ibm.com/developerworks/library/l-ppc/index.html
+        # Ref: https://developer.ibm.com/articles/l-ppc/
         _NR_mprotect = 125
         insns = [
             "addi 1, 1, -16",  # 1 = r1 = sp
@@ -2843,7 +2843,7 @@ class PowerPC64(PowerPC):
 @register_architecture
 class SPARC(Architecture):
     """ Refs:
-    - http://www.cse.scu.edu/~atkinson/teaching/sp05/259/sparc.pdf
+    - https://www.cse.scu.edu/~atkinson/teaching/sp05/259/sparc.pdf
     """
     aliases = ("SPARC", Elf.SPARC)
     arch = "SPARC"
@@ -2872,7 +2872,7 @@ class SPARC(Architecture):
     syscall_instructions = ["t 0x10"]
 
     def flag_register_to_human(self, val: Optional[int] = None) -> str:
-        # http://www.gaisler.com/doc/sparcv8.pdf
+        # https://www.gaisler.com/doc/sparcv8.pdf
         reg = self.flag_register
         if not val:
             val = gef.arch.register(reg)
@@ -2998,7 +2998,7 @@ class MIPS(Architecture):
     arch = "MIPS"
     mode = "MIPS32"
 
-    # http://vhouten.home.xs4all.nl/mipsel/r3000-isa.html
+    # https://vhouten.home.xs4all.nl/mipsel/r3000-isa.html
     all_registers = [
         "$zero", "$at", "$v0", "$v1", "$a0", "$a1", "$a2", "$a3",
         "$t0", "$t1", "$t2", "$t3", "$t4", "$t5", "$t6", "$t7",
@@ -7569,7 +7569,7 @@ def get_shellcode(self, sid: int) -> None:
 
 @register_command
 class RopperCommand(GenericCommand):
-    """Ropper (http://scoding.de/ropper) plugin."""
+    """Ropper (https://scoding.de/ropper/) plugin."""
 
     _cmdline_ = "ropper"
     _syntax_  = f"{_cmdline_} [ROPPER_OPTIONS]"
@@ -7831,7 +7831,7 @@ def do_invoke(self, argv: List, *args, **kwargs) -> None:
             err("Unsupported")
             return
 
-        # http://www.sco.com/developers/gabi/latest/ch4.eheader.html
+        # https://www.sco.com/developers/gabi/latest/ch4.eheader.html
         classes = {
             Elf.ELF_32_BITS     : "32-bit",
             Elf.ELF_64_BITS     : "64-bit",