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Make TLS write functions' buffer arguments pointers const

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This also makes it match the equivalent APIs in libpq.

Author: Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>
Discussion: https://www.postgresql.org/message-id/flat/fd1fcedb-3492-4fc8-9e3e-74b97f2db6c7%40eisentraut.org
This commit is contained in:
Peter Eisentraut 2025-02-09 12:10:25 +01:00
parent 169208092f
commit a9258629ed
6 changed files with 7 additions and 7 deletions
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2
src/backend/libpq/be-secure-gssapi.c
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@ -93,7 +93,7 @@ static uint32 PqGSSMaxPktSize; /* Maximum size we can encrypt and fit the
* failure if necessary, and then return an errno indicating connection loss. * failure if necessary, and then return an errno indicating connection loss.
*/ */
ssize_t ssize_t
be_gssapi_write(Port *port, void *ptr, size_t len) be_gssapi_write(Port *port, const void *ptr, size_t len)
{ {
OM_uint32 major, OM_uint32 major,
minor; minor;

2
src/backend/libpq/be-secure-openssl.c
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@ -821,7 +821,7 @@ be_tls_read(Port *port, void *ptr, size_t len, int *waitfor)
} }
ssize_t ssize_t
be_tls_write(Port *port, void *ptr, size_t len, int *waitfor) be_tls_write(Port *port, const void *ptr, size_t len, int *waitfor)
{ {
ssize_t n; ssize_t n;
int err; int err;

2
src/backend/libpq/be-secure.c
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@ -302,7 +302,7 @@ secure_raw_read(Port *port, void *ptr, size_t len)
* Write data to a secure connection. * Write data to a secure connection.
*/ */
ssize_t ssize_t
secure_write(Port *port, void *ptr, size_t len) secure_write(Port *port, const void *ptr, size_t len)
{ {
ssize_t n; ssize_t n;
int waitfor; int waitfor;

2
src/backend/libpq/pqcomm.c
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@ -1368,7 +1368,7 @@ internal_flush_buffer(const char *buf, size_t *start, size_t *end)
{ {
int r; int r;
r = secure_write(MyProcPort, (char *) bufptr, bufend - bufptr); r = secure_write(MyProcPort, bufptr, bufend - bufptr);
if (r <= 0) if (r <= 0)
{ {

4
src/include/libpq/libpq-be.h
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@ -312,7 +312,7 @@ extern ssize_t be_tls_read(Port *port, void *ptr, size_t len, int *waitfor);
/* /*
* Write data to a secure connection. * Write data to a secure connection.
*/ */
extern ssize_t be_tls_write(Port *port, void *ptr, size_t len, int *waitfor); extern ssize_t be_tls_write(Port *port, const void *ptr, size_t len, int *waitfor);
/* /*
* Return information about the SSL connection. * Return information about the SSL connection.
@ -352,7 +352,7 @@ extern bool be_gssapi_get_delegation(Port *port);
/* Read and write to a GSSAPI-encrypted connection. */ /* Read and write to a GSSAPI-encrypted connection. */
extern ssize_t be_gssapi_read(Port *port, void *ptr, size_t len); extern ssize_t be_gssapi_read(Port *port, void *ptr, size_t len);
extern ssize_t be_gssapi_write(Port *port, void *ptr, size_t len); extern ssize_t be_gssapi_write(Port *port, const void *ptr, size_t len);
#endif /* ENABLE_GSS */ #endif /* ENABLE_GSS */
extern PGDLLIMPORT ProtocolVersion FrontendProtocol; extern PGDLLIMPORT ProtocolVersion FrontendProtocol;

2
src/include/libpq/libpq.h
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@ -92,7 +92,7 @@ extern void secure_destroy(void);
extern int secure_open_server(Port *port); extern int secure_open_server(Port *port);
extern void secure_close(Port *port); extern void secure_close(Port *port);
extern ssize_t secure_read(Port *port, void *ptr, size_t len); extern ssize_t secure_read(Port *port, void *ptr, size_t len);
extern ssize_t secure_write(Port *port, void *ptr, size_t len); extern ssize_t secure_write(Port *port, const void *ptr, size_t len);
extern ssize_t secure_raw_read(Port *port, void *ptr, size_t len); extern ssize_t secure_raw_read(Port *port, void *ptr, size_t len);
extern ssize_t secure_raw_write(Port *port, const void *ptr, size_t len); extern ssize_t secure_raw_write(Port *port, const void *ptr, size_t len);