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This change revises the existing ogs_addaddrinfo() function to handle partial failures without aborting the process, ensure proper cleanup of any nodes allocated before an error, and emit more informative logs (including getaddrinfo() errors and situations where no usable addresses are returned). By introducing “tail” and “first_new” pointers, new entries can be appended to an existing list and safely detached if memory allocation fails mid‐stream. On top of that, a new helper API, ogs_sockaddr_from_ip_or_fqdn(), was added. It automatically detects whether its input is a numeric IPv4/IPv6 literal or a hostname (using AI_NUMERICHOST when appropriate), then delegates resolution to ogs_addaddrinfo(). Errors are logged at the error level but do not trigger a fatal exit, and any partial lists are cleaned up before returning. Finally, the SMF configuration parser in context.c was updated to use this new API for “p-cscf” entries, allowing both raw IP addresses and DNS names in smf.yaml. Corresponding adjustments were made in context.h (to change the p_cscf and p_cscf6 arrays to mutable char pointers) and in the cleanup routine smf_context_final() to free any dynamically allocated strings. Together, these improvements eliminate duplicate parsing logic, streamline configuration handling, and increase the overall resilience of address resolution across Open5GS.
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