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path: root/src/app/config/resolve_addr.h
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2020-07-24relay: Add a cache that tracks which address was configuredDavid Goulet
Related to #33247 Signed-off-by: David Goulet <dgoulet@torproject.org>
2020-07-24relay: Turn find address "method_used" into enumDavid Goulet
Enum allows us to easily compare what is being returned but also better semantic to the code. Related #33247 Signed-off-by: David Goulet <dgoulet@torproject.org>
2020-07-21Rename get_first_advertised_{addr,port}_by_type_af().Nick Mathewson
Rationale: these don't actually give the first advertised address/port, but instead give us the first such port that we are _configured_ to advertise. Putting them in a portconf_ namespace therefore makes sense. Similarly, there are no other functions that get the first configured advertised addr/port, so the "by_type_af()" part is needless. This is an automated commit, generated by this command: ./scripts/maint/rename_c_identifier.py \ get_first_advertised_addr_by_type_af portconf_get_first_advertised_addr \ get_first_advertised_port_by_type_af portconf_get_first_advertised_port
2020-07-20test: Unit test for relay_address_new_suggestion()David Goulet
Signed-off-by: David Goulet <dgoulet@torproject.org>
2020-07-09Merge remote-tracking branch 'tor-gitlab/mr/21'Nick Mathewson
2020-07-07addr: Attempt to learn our address with ORPortDavid Goulet
If no Address statement are found in the configuration file, attempt to learn our address by looking at the ORPort address if any. Specifying an address is optional so if we can't find one, it is fine, we move on to the next discovery mechanism. Note that specifying a hostname on the ORPort is not yet supported at this commit. Closes #33236 Signed-off-by: David Goulet <dgoulet@torproject.org>
2020-07-07addr: New function relay_address_new_suggestion()David Goulet
This behaves like router_new_address_suggestion() but differs in couple of ways: 1. It takes a tor_addr_t instead of an address string and supports both AF_INET and AF_INET6. 2. It does _not_ use the last_guessed_ip local cache and instead only relies on the last resolved address cache in resolve_addr.c It is not used at this commit. This function is made to process a suggested address found in a NETINFO cell exactly like router_new_address_suggestion() does with the address a directory suggests us. Related to #40022 Signed-off-by: David Goulet <dgoulet@torproject.org>
2020-07-07addr: Rename and make resolved_addr_set_last() function publicDavid Goulet
Rename the static function update_resolved_cache() to resolved_addr_set_last() and make it public. We are about to use it in order to record any suggested address from a NETINFO cell. Related to #40022 Signed-off-by: David Goulet <dgoulet@torproject.org>
2020-06-24addr: Rename resolved_addr_is_local()David Goulet
Better function name. Signed-off-by: David Goulet <dgoulet@torproject.org>
2020-06-24addr: Remove resolve_my_address_v4()David Goulet
Replace it by find_my_address() everywhere. This changes many parts of the code that uses it to use a tor_addr_t instead of a plain uint32_t for IPv4. Many changes to the unit test to also use the new interface. Part #33233 Signed-off-by: David Goulet <dgoulet@torproject.org>
2020-06-24addr: Refactor is_local_addr() to support IPv6David Goulet
Series of changes: 1. Rename function to reflect the namespace of the file. 2. Use the new last resolved cache instead of the unused last_resolved_addr_v4 (which is also removed in this commit). 3. Make the entire code base use the new resolved_addr_is_local() function. You will notice that this function uses /24 to differentiate subnets where the rest of tor uses /16 (including documentation of EnforceDistinctSubnets). Ticket #40009 has been opened for that. But that the moment, the function keeps looking at /24. Part of #33233 Signed-off-by: David Goulet <dgoulet@torproject.org>
2020-06-24addr: Refactor last resolved address cache accessorsDavid Goulet
Series of things done in this commit: 1. Rename the functions to better reflect the namespace of the file. 2. Make both reset and get function to operate on the last_resolved_addrs cache that is per family. 3. Make the get function to take a tor_addr_t. 4. Change all callsite to use the new convention. Part of #33233 Signed-off-by: David Goulet <dgoulet@torproject.org>
2020-06-24addr: New find_my_address() to support multiple address familiesDavid Goulet
resolve_my_address() was beyond repair in terms of refactoring. Way too complex and doing too many things. This commit implements find_my_address() which in theory does the same as resolve_my_address() but in a more clean, concise and modern way using the tor_addr_t interface and for multiple address family. The caller needs to pass the address family (IPv4 or IPv6) which this interface supports. For both, a last resolved cache is used as well. Implements #33233 Signed-off-by: David Goulet <dgoulet@torproject.org>
2020-06-23addr: Rename last_resolved_addr to be v4 specificDavid Goulet
Part of #33233 Signed-off-by: David Goulet <dgoulet@torproject.org>
2020-06-23addr: Rename resolve_my_address to be v4 specificDavid Goulet
Part of #33233 Signed-off-by: David Goulet <dgoulet@torproject.org>
2020-05-05config: New file resolve_addr.{c|h}David Goulet
Move a series of function from config.c into that new file which is related to address resolving. Part of #33789 Signed-off-by: David Goulet <dgoulet@torproject.org>
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