]> git.ipfire.org Git - thirdparty/haproxy.git/commitdiff
MEDIUM: log: lf_* build helpers now take a ctx argument
authorAurelien DARRAGON <adarragon@haproxy.com>
Mon, 22 Apr 2024 08:12:42 +0000 (10:12 +0200)
committerAurelien DARRAGON <adarragon@haproxy.com>
Fri, 26 Apr 2024 16:39:31 +0000 (18:39 +0200)
Add internal lf_buildctx struct that is only used inside
sess_build_logline() scope and is passed to lf_* log building helpers
to expose current building context. For now, node options and the in_text
counter are stored in the ctx struct. Thanks to this change, lf_* building
functions don't depend on a logformat_node struct pointer, and may be used
in a standalone manner as long as a build context is provided.

Also, global options are now handled explictly in sess_build_logline() to
make sure that global options are always considered even if they were not
duplicated on every nodes.

No functional change should be expected.

src/log.c

index 021cfe22bb7801334a35330eca8b82d20c864c67..a5f72faaffba0aae1cdb3526e98cb2de453163dd 100644 (file)
--- a/src/log.c
+++ b/src/log.c
@@ -1729,6 +1729,27 @@ int get_log_facility(const char *fac)
        return facility;
 }
 
+struct lf_buildctx {
+       int options; /* LOG_OPT_* options */
+       int in_text; /* inside variable-length text */
+};
+
+/* helper function to prepare lf_buildctx struct based on global options
+ * and current node settings (may be NULL)
+ */
+static inline void lf_buildctx_prepare(struct lf_buildctx *ctx,
+                                       int g_options,
+                                       const struct logformat_node *node)
+{
+       ctx->options = g_options;
+       if (node) {
+               /* per-node options are only considered if not already set
+                * globally
+                */
+               ctx->options |= node->options;
+       }
+}
+
 /* helper function for _lf_encode_bytes() to escape a single byte
  * with <escape>
  */
@@ -1755,7 +1776,7 @@ static inline char *_lf_escape_byte(char *start, char *stop,
 static inline char *_lf_map_escape_byte(char *start, char *stop,
                                         const char *byte,
                                         const char escape, const long *map,
-                                        struct logformat_node *node)
+                                        struct lf_buildctx *ctx)
 {
        if (!ha_bit_test((unsigned char)(*byte), map))
                *start++ = *byte;
@@ -1777,7 +1798,7 @@ static inline char *_lf_map_escape_byte(char *start, char *stop,
 static inline char *_lf_rfc5424_escape_byte(char *start, char *stop,
                                             const char *byte,
                                             const char escape, const long *map,
-                                            struct logformat_node *node)
+                                            struct lf_buildctx *ctx)
 {
        if (!ha_bit_test((unsigned char)(*byte), map)) {
                if (!ha_bit_test((unsigned char)(*byte), rfc5424_escape_map))
@@ -1810,15 +1831,15 @@ static inline char *_lf_rfc5424_escape_byte(char *start, char *stop,
 static char *_lf_encode_bytes(char *start, char *stop,
                               const char escape, const long *map,
                               const char *bytes, const char *bytes_stop,
-                              struct logformat_node *node)
+                              struct lf_buildctx *ctx)
 {
        char *ret;
        char *(*encode_byte)(char *start, char *stop,
                             const char *byte,
                             const char escape, const long *map,
-                            struct logformat_node *node);
+                            struct lf_buildctx *ctx);
 
-       if (node->options & LOG_OPT_ESC)
+       if (ctx->options & LOG_OPT_ESC)
                encode_byte = _lf_rfc5424_escape_byte;
        else
                encode_byte = _lf_map_escape_byte;
@@ -1831,7 +1852,7 @@ static char *_lf_encode_bytes(char *start, char *stop,
                 */
                if (bytes && !bytes_stop) {
                        while (start < stop && *bytes != '\0') {
-                               ret = encode_byte(start, stop, bytes, escape, map, node);
+                               ret = encode_byte(start, stop, bytes, escape, map, ctx);
                                if (ret == NULL)
                                        break;
                                start = ret;
@@ -1839,7 +1860,7 @@ static char *_lf_encode_bytes(char *start, char *stop,
                        }
                } else if (bytes) {
                        while (start < stop && bytes < bytes_stop) {
-                               ret = encode_byte(start, stop, bytes, escape, map, node);
+                               ret = encode_byte(start, stop, bytes, escape, map, ctx);
                                if (ret == NULL)
                                        break;
                                start = ret;
@@ -1859,10 +1880,10 @@ static char *_lf_encode_bytes(char *start, char *stop,
 static char *lf_encode_string(char *start, char *stop,
                               const char escape, const long *map,
                               const char *string,
-                              struct logformat_node *node)
+                              struct lf_buildctx *ctx)
 {
        return _lf_encode_bytes(start, stop, escape, map,
-                               string, NULL, node);
+                               string, NULL, ctx);
 }
 
 /*
@@ -1871,11 +1892,11 @@ static char *lf_encode_string(char *start, char *stop,
 static char *lf_encode_chunk(char *start, char *stop,
                              const char escape, const long *map,
                              const struct buffer *chunk,
-                             struct logformat_node *node)
+                             struct lf_buildctx *ctx)
 {
        return _lf_encode_bytes(start, stop, escape, map,
                                chunk->area, chunk->area + chunk->data,
-                               node);
+                               ctx);
 }
 
 /*
@@ -1885,13 +1906,13 @@ static char *lf_encode_chunk(char *start, char *stop,
  * Return the address of the \0 character, or NULL on error
  */
 static inline char *_lf_text_len(char *dst, const char *src,
-                                 size_t len, size_t size, const struct logformat_node *node)
+                                 size_t len, size_t size, struct lf_buildctx *ctx)
 {
        if (src && len) {
                /* escape_string and strlcpy2 will both try to add terminating NULL-byte
                 * to dst
                 */
-               if (node->options & LOG_OPT_ESC) {
+               if (ctx->options & LOG_OPT_ESC) {
                        char *ret;
 
                        ret = escape_string(dst, dst + size, '\\', rfc5424_escape_map, src, src + len);
@@ -1921,7 +1942,7 @@ static inline char *_lf_text_len(char *dst, const char *src,
  * Quote a string, then leverage _lf_text_len() to write it
  */
 static inline char *_lf_quotetext_len(char *dst, const char *src,
-                                      size_t len, size_t size, const struct logformat_node *node)
+                                      size_t len, size_t size, struct lf_buildctx *ctx)
 {
        if (size < 2)
                return NULL;
@@ -1932,7 +1953,7 @@ static inline char *_lf_quotetext_len(char *dst, const char *src,
        if (src && len) {
                char *ret;
 
-               ret = _lf_text_len(dst, src, len, size, node);
+               ret = _lf_text_len(dst, src, len, size, ctx);
                if (ret == NULL)
                        return NULL;
                size -= (ret - dst);
@@ -1953,18 +1974,18 @@ static inline char *_lf_quotetext_len(char *dst, const char *src,
  *
  * Return the address of the \0 character, or NULL on error
  */
-static char *lf_text_len(char *dst, const char *src, size_t len, size_t size, const struct logformat_node *node)
+static char *lf_text_len(char *dst, const char *src, size_t len, size_t size, struct lf_buildctx *ctx)
 {
-       if ((node->options & LOG_OPT_QUOTE))
-               return _lf_quotetext_len(dst, src, len, size, node);
+       if ((ctx->options & LOG_OPT_QUOTE))
+               return _lf_quotetext_len(dst, src, len, size, ctx);
        else if (src && len)
-               return _lf_text_len(dst, src, len, size, node);
+               return _lf_text_len(dst, src, len, size, ctx);
 
        if (size < 2)
                return NULL;
 
-       if ((node->options & LOG_OPT_MANDATORY))
-               return _lf_text_len(dst, "-", 1, size, node);
+       if ((ctx->options & LOG_OPT_MANDATORY))
+               return _lf_text_len(dst, "-", 1, size, ctx);
 
        *dst = '\0';
 
@@ -1975,34 +1996,34 @@ static char *lf_text_len(char *dst, const char *src, size_t len, size_t size, co
  * Same as lf_text_len() except that it ignores mandatory and quoting options.
  * Quoting is only performed when strictly required by the encoding method.
  */
-static char *lf_rawtext_len(char *dst, const char *src, size_t len, size_t size, const struct logformat_node *node)
+static char *lf_rawtext_len(char *dst, const char *src, size_t len, size_t size, struct lf_buildctx *ctx)
 {
-       return _lf_text_len(dst, src, len, size, node);
+       return _lf_text_len(dst, src, len, size, ctx);
 }
 
 /* lf_text_len() helper when <src> is null-byte terminated */
-static inline char *lf_text(char *dst, const char *src, size_t size, const struct logformat_node *node)
+static inline char *lf_text(char *dst, const char *src, size_t size, struct lf_buildctx *ctx)
 {
-       return lf_text_len(dst, src, size, size, node);
+       return lf_text_len(dst, src, size, size, ctx);
 }
 
 /* lf_rawtext_len() helper when <src> is null-byte terminated */
-static inline char *lf_rawtext(char *dst, const char *src, size_t size, const struct logformat_node *node)
+static inline char *lf_rawtext(char *dst, const char *src, size_t size, struct lf_buildctx *ctx)
 {
-       return lf_rawtext_len(dst, src, size, size, node);
+       return lf_rawtext_len(dst, src, size, size, ctx);
 }
 
 /*
  * Write a IP address to the log string
  * +X option write in hexadecimal notation, most significant byte on the left
  */
-static char *lf_ip(char *dst, const struct sockaddr *sockaddr, size_t size, const struct logformat_node *node)
+static char *lf_ip(char *dst, const struct sockaddr *sockaddr, size_t size, struct lf_buildctx *ctx)
 {
        char *ret = dst;
        int iret;
        char pn[INET6_ADDRSTRLEN];
 
-       if (node->options & LOG_OPT_HEXA) {
+       if (ctx->options & LOG_OPT_HEXA) {
                unsigned char *addr = NULL;
                switch (sockaddr->sa_family) {
                case AF_INET:
@@ -2014,7 +2035,7 @@ static char *lf_ip(char *dst, const struct sockaddr *sockaddr, size_t size, cons
                                        addr[0], addr[1], addr[2], addr[3]);
                        if (iret < 0 || iret >= size)
                                return NULL;
-                       ret = lf_rawtext(dst, ip4_hex, size, node);
+                       ret = lf_rawtext(dst, ip4_hex, size, ctx);
 
                        break;
                }
@@ -2031,7 +2052,7 @@ static char *lf_ip(char *dst, const struct sockaddr *sockaddr, size_t size, cons
                                        addr[12], addr[13], addr[14], addr[15]);
                        if (iret < 0 || iret >= size)
                                return NULL;
-                       ret = lf_rawtext(dst, ip6_hex, size, node);
+                       ret = lf_rawtext(dst, ip6_hex, size, ctx);
 
                        break;
                }
@@ -2040,7 +2061,7 @@ static char *lf_ip(char *dst, const struct sockaddr *sockaddr, size_t size, cons
                }
        } else {
                addr_to_str((struct sockaddr_storage *)sockaddr, pn, sizeof(pn));
-               ret = lf_text(dst, pn, size, node);
+               ret = lf_text(dst, pn, size, ctx);
        }
        return ret;
 }
@@ -2057,7 +2078,7 @@ enum lf_int_hdl {
  * how to encode the value by default
  */
 static inline char *lf_int(char *dst, size_t size, int64_t value,
-                           const struct logformat_node *node,
+                           struct lf_buildctx *ctx,
                            enum lf_int_hdl dft_hdl)
 {
        switch (dft_hdl) {
@@ -2081,22 +2102,22 @@ static inline char *lf_int(char *dst, size_t size, int64_t value,
  * Write a port to the log
  * +X option write in hexadecimal notation, most significant byte on the left
  */
-static char *lf_port(char *dst, const struct sockaddr *sockaddr, size_t size, const struct logformat_node *node)
+static char *lf_port(char *dst, const struct sockaddr *sockaddr, size_t size, struct lf_buildctx *ctx)
 {
        char *ret = dst;
        int iret;
 
-       if (node->options & LOG_OPT_HEXA) {
+       if (ctx->options & LOG_OPT_HEXA) {
                char port_hex[5]; // 4 bytes + \0
                const unsigned char *port = (const unsigned char *)&((struct sockaddr_in *)sockaddr)->sin_port;
 
                iret = snprintf(port_hex, sizeof(port_hex), "%02X%02X", port[0], port[1]);
                if (iret < 0 || iret >= size)
                        return NULL;
-               ret = lf_rawtext(dst, port_hex, size, node);
+               ret = lf_rawtext(dst, port_hex, size, ctx);
        } else {
                ret = lf_int(dst, size, get_host_port((struct sockaddr_storage *)sockaddr),
-                            node, LF_INT_LTOA);
+                            ctx, LF_INT_LTOA);
        }
        return ret;
 }
@@ -2769,11 +2790,11 @@ const char sess_set_cookie[8] = "NPDIRU67";     /* No set-cookie, Set-cookie found a
  * encoding and options to know if some special treatment is needed.
  */
 #define LOG_VARTEXT_START() do {                                       \
-                       in_text = 1;                                   \
+                       ctx.in_text = 1;                               \
                        /* put the text within quotes if quoting is    \
                         * enabled                                     \
                         */                                            \
-                       if (tmp->options & LOG_OPT_QUOTE) {            \
+                       if (ctx.options & LOG_OPT_QUOTE) {             \
                                LOGCHAR('"');                          \
                        }                                              \
                } while (0)
@@ -2784,12 +2805,12 @@ const char sess_set_cookie[8] = "NPDIRU67";     /* No set-cookie, Set-cookie found a
  * needed.
  */
 #define LOG_VARTEXT_END() do {                                         \
-                       if (!in_text)                                  \
+                       if (!ctx.in_text)                              \
                                break;                                 \
-                       in_text = 0;                                   \
+                       ctx.in_text = 0;                               \
                        /* add the ending quote if quoting is enabled  \
                         */                                            \
-                       if (tmp->options & LOG_OPT_QUOTE) {            \
+                       if (ctx.options & LOG_OPT_QUOTE) {             \
                                LOGCHAR('"');                          \
                        }                                              \
                } while (0)
@@ -3044,6 +3065,7 @@ int lf_expr_dup(const struct lf_expr *orig, struct lf_expr *dest)
  */
 int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t maxsize, struct lf_expr *lf_expr)
 {
+       struct lf_buildctx ctx = { };
        struct proxy *fe = sess->fe;
        struct proxy *be;
        struct http_txn *txn;
@@ -3071,6 +3093,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
        struct strm_logs tmp_strm_log;
        struct ist path;
        struct http_uri_parser parser;
+       int g_options = lf_expr->nodes.options; /* global */
 
        /* FIXME: let's limit ourselves to frontend logging for now. */
 
@@ -3152,6 +3175,9 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
        tmplog = dst;
 
+       /* start with global ctx by default */
+       lf_buildctx_prepare(&ctx, g_options, NULL);
+
        /* fill logbuffer */
        if (lf_expr_isempty(lf_expr))
                return 0;
@@ -3164,7 +3190,11 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                const char *src = NULL;
                struct sample *key;
                const struct buffer empty = { };
-               int in_text = 0; /* inside variable-length text */
+
+               /* get the chance to consider per-node options (if not already
+                * set globally) for printing the value
+                */
+               lf_buildctx_prepare(&ctx, g_options, tmp);
 
                switch (tmp->type) {
                        case LOG_FMT_SEPARATOR:
@@ -3184,24 +3214,24 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                        case LOG_FMT_EXPR: // sample expression, may be request or response
                                key = NULL;
-                               if (tmp->options & LOG_OPT_REQ_CAP)
+                               if (ctx.options & LOG_OPT_REQ_CAP)
                                        key = sample_fetch_as_type(be, sess, s, SMP_OPT_DIR_REQ|SMP_OPT_FINAL, tmp->expr, SMP_T_STR);
 
-                               if (!key && (tmp->options & LOG_OPT_RES_CAP))
+                               if (!key && (ctx.options & LOG_OPT_RES_CAP))
                                        key = sample_fetch_as_type(be, sess, s, SMP_OPT_DIR_RES|SMP_OPT_FINAL, tmp->expr, SMP_T_STR);
 
-                               if (!key && !(tmp->options & (LOG_OPT_REQ_CAP|LOG_OPT_RES_CAP))) // cfg, cli
+                               if (!key && !(ctx.options & (LOG_OPT_REQ_CAP|LOG_OPT_RES_CAP))) // cfg, cli
                                        key = sample_fetch_as_type(be, sess, s, SMP_OPT_FINAL, tmp->expr, SMP_T_STR);
 
-                               if (tmp->options & LOG_OPT_HTTP)
+                               if (ctx.options & LOG_OPT_HTTP)
                                        ret = lf_encode_chunk(tmplog, dst + maxsize,
-                                                             '%', http_encode_map, key ? &key->data.u.str : &empty, tmp);
+                                                             '%', http_encode_map, key ? &key->data.u.str : &empty, &ctx);
                                else
                                        ret = lf_text_len(tmplog,
                                                          key ? key->data.u.str.area : NULL,
                                                          key ? key->data.u.str.data : 0,
                                                          dst + maxsize - tmplog,
-                                                         tmp);
+                                                         &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3216,9 +3246,9 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                        case LOG_FMT_CLIENTIP:  // %ci
                                addr = (s ? sc_src(s->scf) : sess_src(sess));
                                if (addr)
-                                       ret = lf_ip(tmplog, (struct sockaddr *)addr, dst + maxsize - tmplog, tmp);
+                                       ret = lf_ip(tmplog, (struct sockaddr *)addr, dst + maxsize - tmplog, &ctx);
                                else
-                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
+                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, &ctx);
 
                                if (ret == NULL)
                                        goto out;
@@ -3231,12 +3261,12 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                        /* sess->listener is always defined when the session's owner is an inbound connections */
                                        if (addr->ss_family == AF_UNIX)
                                                ret = lf_int(tmplog, dst + maxsize - tmplog,
-                                                            sess->listener->luid, tmp, LF_INT_LTOA);
+                                                            sess->listener->luid, &ctx, LF_INT_LTOA);
                                        else
-                                               ret = lf_port(tmplog, (struct sockaddr *)addr, dst + maxsize - tmplog, tmp);
+                                               ret = lf_port(tmplog, (struct sockaddr *)addr, dst + maxsize - tmplog, &ctx);
                                }
                                else
-                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
+                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, &ctx);
 
                                if (ret == NULL)
                                        goto out;
@@ -3246,9 +3276,9 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                        case LOG_FMT_FRONTENDIP: // %fi
                                addr = (s ? sc_dst(s->scf) : sess_dst(sess));
                                if (addr)
-                                       ret = lf_ip(tmplog, (struct sockaddr *)addr, dst + maxsize - tmplog, tmp);
+                                       ret = lf_ip(tmplog, (struct sockaddr *)addr, dst + maxsize - tmplog, &ctx);
                                else
-                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
+                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, &ctx);
 
                                if (ret == NULL)
                                        goto out;
@@ -3261,12 +3291,12 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                        /* sess->listener is always defined when the session's owner is an inbound connections */
                                        if (addr->ss_family == AF_UNIX)
                                                ret = lf_int(tmplog, dst + maxsize - tmplog,
-                                                            sess->listener->luid, tmp, LF_INT_LTOA);
+                                                            sess->listener->luid, &ctx, LF_INT_LTOA);
                                        else
-                                               ret = lf_port(tmplog, (struct sockaddr *)addr, dst + maxsize - tmplog, tmp);
+                                               ret = lf_port(tmplog, (struct sockaddr *)addr, dst + maxsize - tmplog, &ctx);
                                }
                                else
-                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
+                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, &ctx);
 
                                if (ret == NULL)
                                        goto out;
@@ -3275,9 +3305,9 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                        case LOG_FMT_BACKENDIP:  // %bi
                                if (be_conn && conn_get_src(be_conn))
-                                       ret = lf_ip(tmplog, (const struct sockaddr *)be_conn->src, dst + maxsize - tmplog, tmp);
+                                       ret = lf_ip(tmplog, (const struct sockaddr *)be_conn->src, dst + maxsize - tmplog, &ctx);
                                else
-                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
+                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, &ctx);
 
                                if (ret == NULL)
                                        goto out;
@@ -3286,9 +3316,9 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                        case LOG_FMT_BACKENDPORT:  // %bp
                                if (be_conn && conn_get_src(be_conn))
-                                       ret = lf_port(tmplog, (struct sockaddr *)be_conn->src, dst + maxsize - tmplog, tmp);
+                                       ret = lf_port(tmplog, (struct sockaddr *)be_conn->src, dst + maxsize - tmplog, &ctx);
                                else
-                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
+                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, &ctx);
 
                                if (ret == NULL)
                                        goto out;
@@ -3297,9 +3327,9 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                        case LOG_FMT_SERVERIP: // %si
                                if (be_conn && conn_get_dst(be_conn))
-                                       ret = lf_ip(tmplog, (struct sockaddr *)be_conn->dst, dst + maxsize - tmplog, tmp);
+                                       ret = lf_ip(tmplog, (struct sockaddr *)be_conn->dst, dst + maxsize - tmplog, &ctx);
                                else
-                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
+                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, &ctx);
 
                                if (ret == NULL)
                                        goto out;
@@ -3308,9 +3338,9 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                        case LOG_FMT_SERVERPORT: // %sp
                                if (be_conn && conn_get_dst(be_conn))
-                                       ret = lf_port(tmplog, (struct sockaddr *)be_conn->dst, dst + maxsize - tmplog, tmp);
+                                       ret = lf_port(tmplog, (struct sockaddr *)be_conn->dst, dst + maxsize - tmplog, &ctx);
                                else
-                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, tmp);
+                                       ret = lf_text_len(tmplog, NULL, 0, dst + maxsize - tmplog, &ctx);
 
                                if (ret == NULL)
                                        goto out;
@@ -3324,7 +3354,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                get_localtime(logs->accept_date.tv_sec, &tm);
                                if (!date2str_log(date_str, &tm, &logs->accept_date, sizeof(date_str)))
                                        goto out;
-                               ret = lf_rawtext(tmplog, date_str, dst + maxsize - tmplog, tmp);
+                               ret = lf_rawtext(tmplog, date_str, dst + maxsize - tmplog, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3340,7 +3370,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                get_localtime(tv.tv_sec, &tm);
                                if (!date2str_log(date_str, &tm, &tv, sizeof(date_str)))
                                        goto out;
-                               ret = lf_rawtext(tmplog, date_str, dst + maxsize - tmplog, tmp);
+                               ret = lf_rawtext(tmplog, date_str, dst + maxsize - tmplog, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3354,7 +3384,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                get_gmtime(logs->accept_date.tv_sec, &tm);
                                if (!gmt2str_log(gmt_str, &tm, sizeof(gmt_str)))
                                        goto out;
-                               ret = lf_rawtext(tmplog, gmt_str, dst + maxsize - tmplog, tmp);
+                               ret = lf_rawtext(tmplog, gmt_str, dst + maxsize - tmplog, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3369,7 +3399,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                get_gmtime(tv.tv_sec, &tm);
                                if (!gmt2str_log(gmt_str, &tm, sizeof(gmt_str)))
                                        goto out;
-                               ret = lf_rawtext(tmplog, gmt_str, dst + maxsize - tmplog, tmp);
+                               ret = lf_rawtext(tmplog, gmt_str, dst + maxsize - tmplog, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3383,7 +3413,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                get_localtime(logs->accept_date.tv_sec, &tm);
                                if (!localdate2str_log(localdate_str, logs->accept_date.tv_sec, &tm, sizeof(localdate_str)))
                                        goto out;
-                               ret = lf_rawtext(tmplog, localdate_str, dst + maxsize - tmplog, tmp);
+                               ret = lf_rawtext(tmplog, localdate_str, dst + maxsize - tmplog, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3398,7 +3428,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                get_localtime(tv.tv_sec, &tm);
                                if (!localdate2str_log(localdate_str, tv.tv_sec, &tm, sizeof(localdate_str)))
                                        goto out;
-                               ret = lf_rawtext(tmplog, localdate_str, dst + maxsize - tmplog, tmp);
+                               ret = lf_rawtext(tmplog, localdate_str, dst + maxsize - tmplog, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3409,15 +3439,15 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                        {
                                unsigned long value = logs->accept_date.tv_sec;
 
-                               if (tmp->options & LOG_OPT_HEXA) {
+                               if (ctx.options & LOG_OPT_HEXA) {
                                        char hex[9]; // enough to hold 32bit hex representation + NULL byte
 
                                        iret = snprintf(hex, sizeof(hex), "%04X", (unsigned int)value);
                                        if (iret < 0 || iret >= dst + maxsize - tmplog)
                                                goto out;
-                                       ret = lf_rawtext(tmplog, hex, dst + maxsize - tmplog, tmp);
+                                       ret = lf_rawtext(tmplog, hex, dst + maxsize - tmplog, &ctx);
                                } else {
-                                       ret = lf_int(tmplog, dst + maxsize - tmplog, value, tmp, LF_INT_LTOA);
+                                       ret = lf_int(tmplog, dst + maxsize - tmplog, value, &ctx, LF_INT_LTOA);
                                }
                                if (ret == NULL)
                                        goto out;
@@ -3429,16 +3459,16 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                        {
                                unsigned int value = (unsigned int)logs->accept_date.tv_usec/1000;
 
-                               if (tmp->options & LOG_OPT_HEXA) {
+                               if (ctx.options & LOG_OPT_HEXA) {
                                        char hex[9]; // enough to hold 32bit hex representation + NULL byte
 
                                        iret = snprintf(hex, sizeof(hex), "%02X", value);
                                        if (iret < 0 || iret >= dst + maxsize - tmplog)
                                                goto out;
-                                       ret = lf_rawtext(tmplog, hex, dst + maxsize - tmplog, tmp);
+                                       ret = lf_rawtext(tmplog, hex, dst + maxsize - tmplog, &ctx);
                                } else {
                                        ret = lf_int(tmplog, dst + maxsize - tmplog, value,
-                                                    tmp, LF_INT_UTOA_PAD_4);
+                                                    &ctx, LF_INT_UTOA_PAD_4);
                                }
                                if (ret == NULL)
                                        goto out;
@@ -3448,7 +3478,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                        case LOG_FMT_FRONTEND: // %f
                                src = fe->id;
-                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
+                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3457,7 +3487,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                        case LOG_FMT_FRONTEND_XPRT: // %ft
                                src = fe->id;
                                LOG_VARTEXT_START();
-                               ret = lf_rawtext(tmplog, src, dst + maxsize - tmplog, tmp);
+                               ret = lf_rawtext(tmplog, src, dst + maxsize - tmplog, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3473,7 +3503,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                if (conn) {
                                        src = ssl_sock_get_cipher_name(conn);
                                }
-                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
+                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3485,7 +3515,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                if (conn) {
                                        src = ssl_sock_get_proto_version(conn);
                                }
-                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
+                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3493,7 +3523,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 #endif
                        case LOG_FMT_BACKEND: // %b
                                src = be->id;
-                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
+                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3516,21 +3546,21 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                        src = "<NOSRV>";
                                        break;
                                }
-                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
+                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
                                break;
 
                        case LOG_FMT_Th: // %Th = handshake time
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, logs->t_handshake, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, logs->t_handshake, &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
                                break;
 
                        case LOG_FMT_Ti: // %Ti = HTTP idle time
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, logs->t_idle, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, logs->t_idle, &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3540,7 +3570,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                        {
                                long value = (t_request >= 0) ? t_request - logs->t_idle - logs->t_handshake : -1;
 
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3548,7 +3578,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                        }
 
                        case LOG_FMT_TQ: // %Tq = Th + Ti + TR
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, t_request, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, t_request, &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3558,7 +3588,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                        {
                                long value = (logs->t_queue >= 0) ? logs->t_queue - t_request : -1;
 
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3569,7 +3599,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                        {
                                long value = (logs->t_connect >= 0) ? logs->t_connect - logs->t_queue : -1;
 
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3580,7 +3610,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                        {
                                long value = (logs->t_data >= 0) ? logs->t_data - logs->t_connect : -1;
 
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3596,7 +3626,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                else
                                        value = (logs->t_connect >= 0) ? logs->t_close - logs->t_connect : -1;
 
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, &ctx, LF_INT_LTOA);
 
                                if (ret == NULL)
                                        goto out;
@@ -3610,7 +3640,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                                if (!(fe->to_log & LW_BYTES))
                                        LOGMETACHAR('+');
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3620,7 +3650,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                        case LOG_FMT_TT:  // %Tt = total time
                                if (!(fe->to_log & LW_BYTES))
                                        LOGMETACHAR('+');
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, logs->t_close, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, logs->t_close, &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3632,7 +3662,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                                if (!(fe->to_log & LW_BYTES))
                                        LOGMETACHAR('+');
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3640,7 +3670,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                        }
 
                        case LOG_FMT_STATUS: // %ST
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, status, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, status, &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3649,14 +3679,14 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                        case LOG_FMT_BYTES: // %B
                                if (!(fe->to_log & LW_BYTES))
                                        LOGMETACHAR('+');
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, logs->bytes_out, tmp, LF_INT_LLTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, logs->bytes_out, &ctx, LF_INT_LLTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
                                break;
 
                        case LOG_FMT_BYTES_UP: // %U
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, logs->bytes_in, tmp, LF_INT_LLTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, logs->bytes_in, &ctx, LF_INT_LLTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3664,7 +3694,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                        case LOG_FMT_CCLIENT: // %CC
                                src = txn ? txn->cli_cookie : NULL;
-                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
+                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3672,7 +3702,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                        case LOG_FMT_CSERVER: // %CS
                                src = txn ? txn->srv_cookie : NULL;
-                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
+                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3684,7 +3714,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                                _ts[0] = sess_term_cond[(s_flags & SF_ERR_MASK) >> SF_ERR_SHIFT];
                                _ts[1] = sess_fin_state[(s_flags & SF_FINST_MASK) >> SF_FINST_SHIFT];
-                               ret = lf_rawtext_len(tmplog, _ts, 2, maxsize - (tmplog - dst), tmp);
+                               ret = lf_rawtext_len(tmplog, _ts, 2, maxsize - (tmplog - dst), &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3699,7 +3729,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                _tsc[1] = sess_fin_state[(s_flags & SF_FINST_MASK) >> SF_FINST_SHIFT];
                                _tsc[2] = (txn && (be->ck_opts & PR_CK_ANY)) ? sess_cookie[(txn->flags & TX_CK_MASK) >> TX_CK_SHIFT] : '-';
                                _tsc[3] = (txn && (be->ck_opts & PR_CK_ANY)) ? sess_set_cookie[(txn->flags & TX_SCK_MASK) >> TX_SCK_SHIFT] : '-';
-                               ret = lf_rawtext_len(tmplog, _tsc, 4, maxsize - (tmplog - dst), tmp);
+                               ret = lf_rawtext_len(tmplog, _tsc, 4, maxsize - (tmplog - dst), &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3707,21 +3737,21 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                        }
 
                        case LOG_FMT_ACTCONN: // %ac
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, actconn, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, actconn, &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
                                break;
 
                        case LOG_FMT_FECONN:  // %fc
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, fe->feconn, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, fe->feconn, &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
                                break;
 
                        case LOG_FMT_BECONN:  // %bc
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, be->beconn, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, be->beconn, &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3745,7 +3775,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                        break;
                                }
 
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, tmp, LF_INT_ULTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, &ctx, LF_INT_ULTOA);
 
                                if (ret == NULL)
                                        goto out;
@@ -3759,7 +3789,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                                if (s_flags & SF_REDISP)
                                        LOGMETACHAR('+');
-                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, tmp, LF_INT_LTOA);
+                               ret = lf_int(tmplog, dst + maxsize - tmplog, value, &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3768,7 +3798,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                        case LOG_FMT_SRVQUEUE: // %sq
                                ret = lf_int(tmplog, dst + maxsize - tmplog, logs->srv_queue_pos,
-                                            tmp, LF_INT_LTOA);
+                                            &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3776,7 +3806,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                        case LOG_FMT_BCKQUEUE:  // %bq
                                ret = lf_int(tmplog, dst + maxsize - tmplog, logs->prx_queue_pos,
-                                            tmp, LF_INT_LTOA);
+                                            &ctx, LF_INT_LTOA);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3792,7 +3822,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                                        LOGCHAR('|');
                                                if (s->req_cap[hdr] != NULL) {
                                                        ret = lf_encode_string(tmplog, dst + maxsize,
-                                                                              '#', hdr_encode_map, s->req_cap[hdr], tmp);
+                                                                              '#', hdr_encode_map, s->req_cap[hdr], &ctx);
                                                        if (ret == NULL)
                                                                goto out;
                                                        tmplog = ret;
@@ -3812,11 +3842,11 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                                LOG_VARTEXT_START();
                                                if (s->req_cap[hdr] != NULL) {
                                                        ret = lf_encode_string(tmplog, dst + maxsize,
-                                                                              '#', hdr_encode_map, s->req_cap[hdr], tmp);
+                                                                              '#', hdr_encode_map, s->req_cap[hdr], &ctx);
                                                        if (ret == NULL)
                                                                goto out;
                                                        tmplog = ret;
-                                               } else if (!(tmp->options & LOG_OPT_QUOTE))
+                                               } else if (!(ctx.options & LOG_OPT_QUOTE))
                                                        LOGCHAR('-');
                                                /* Manually end variable text as we're emitting multiple
                                                 * texts at once
@@ -3838,7 +3868,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                                        LOGCHAR('|');
                                                if (s->res_cap[hdr] != NULL) {
                                                        ret = lf_encode_string(tmplog, dst + maxsize,
-                                                                              '#', hdr_encode_map, s->res_cap[hdr], tmp);
+                                                                              '#', hdr_encode_map, s->res_cap[hdr], &ctx);
                                                        if (ret == NULL)
                                                                goto out;
                                                        tmplog = ret;
@@ -3858,11 +3888,11 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                                LOG_VARTEXT_START();
                                                if (s->res_cap[hdr] != NULL) {
                                                        ret = lf_encode_string(tmplog, dst + maxsize,
-                                                                              '#', hdr_encode_map, s->res_cap[hdr], tmp);
+                                                                              '#', hdr_encode_map, s->res_cap[hdr], &ctx);
                                                        if (ret == NULL)
                                                                goto out;
                                                        tmplog = ret;
-                                               } else if (!(tmp->options & LOG_OPT_QUOTE))
+                                               } else if (!(ctx.options & LOG_OPT_QUOTE))
                                                        LOGCHAR('-');
                                                /* Manually end variable text as we're emitting multiple
                                                 * texts at once
@@ -3878,7 +3908,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                LOG_VARTEXT_START();
                                uri = txn && txn->uri ? txn->uri : "<BADREQ>";
                                ret = lf_encode_string(tmplog, dst + maxsize,
-                                                      '#', url_encode_map, uri, tmp);
+                                                      '#', url_encode_map, uri, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
@@ -3912,7 +3942,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                        chunk.data = spc - uri;
                                }
 
-                               ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
+                               ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, &ctx);
                                if (ret == NULL)
                                        goto out;
 
@@ -3954,7 +3984,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                        chunk.data = path.len;
                                }
 
-                               ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
+                               ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, &ctx);
                                if (ret == NULL)
                                        goto out;
 
@@ -3984,7 +4014,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                        chunk.data = uri - qmark;
                                }
 
-                               ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
+                               ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, &ctx);
                                if (ret == NULL)
                                        goto out;
 
@@ -4020,7 +4050,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                        chunk.data = spc - uri;
                                }
 
-                               ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
+                               ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, &ctx);
                                if (ret == NULL)
                                        goto out;
 
@@ -4046,7 +4076,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                        chunk.data = spc - uri;
                                }
 
-                               ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
+                               ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, &ctx);
                                if (ret == NULL)
                                        goto out;
 
@@ -4087,7 +4117,7 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                        chunk.data = end - uri;
                                }
 
-                               ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, tmp);
+                               ret = lf_encode_chunk(tmplog, dst + maxsize, '#', url_encode_map, &chunk, &ctx);
                                if (ret == NULL)
                                        goto out;
 
@@ -4096,15 +4126,15 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                break;
 
                        case LOG_FMT_COUNTER: // %rt
-                               if (tmp->options & LOG_OPT_HEXA) {
+                               if (ctx.options & LOG_OPT_HEXA) {
                                        char hex[9]; // enough to hold 32bit hex representation + NULL byte
 
                                        iret = snprintf(hex, sizeof(hex), "%04X", uniq_id);
                                        if (iret < 0 || iret >= dst + maxsize - tmplog)
                                                goto out;
-                                       ret = lf_rawtext(tmplog, hex, dst + maxsize - tmplog, tmp);
+                                       ret = lf_rawtext(tmplog, hex, dst + maxsize - tmplog, &ctx);
                                } else {
-                                       ret = lf_int(tmplog, dst + maxsize - tmplog, uniq_id, tmp, LF_INT_LTOA);
+                                       ret = lf_int(tmplog, dst + maxsize - tmplog, uniq_id, &ctx, LF_INT_LTOA);
                                }
                                if (ret == NULL)
                                        goto out;
@@ -4112,16 +4142,16 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                                break;
 
                        case LOG_FMT_LOGCNT: // %lc
-                               if (tmp->options & LOG_OPT_HEXA) {
+                               if (ctx.options & LOG_OPT_HEXA) {
                                        char hex[9]; // enough to hold 32bit hex representation + NULL byte
 
                                        iret = snprintf(hex, sizeof(hex), "%04X", fe->log_count);
                                        if (iret < 0 || iret >= dst + maxsize - tmplog)
                                                goto out;
-                                       ret = lf_rawtext(tmplog, hex, dst + maxsize - tmplog, tmp);
+                                       ret = lf_rawtext(tmplog, hex, dst + maxsize - tmplog, &ctx);
                                } else {
                                        ret = lf_int(tmplog, dst + maxsize - tmplog, fe->log_count,
-                                                    tmp, LF_INT_ULTOA);
+                                                    &ctx, LF_INT_ULTOA);
                                }
                                if (ret == NULL)
                                        goto out;
@@ -4130,22 +4160,22 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
 
                        case LOG_FMT_HOSTNAME: // %H
                                src = hostname;
-                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, tmp);
+                               ret = lf_text(tmplog, src, dst + maxsize - tmplog, &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;
                                break;
 
                        case LOG_FMT_PID: // %pid
-                               if (tmp->options & LOG_OPT_HEXA) {
+                               if (ctx.options & LOG_OPT_HEXA) {
                                        char hex[9]; // enough to hold 32bit hex representation + NULL byte
 
                                        iret = snprintf(hex, sizeof(hex), "%04X", pid);
                                        if (iret < 0 || iret >= dst + maxsize - tmplog)
                                                goto out;
-                                       ret = lf_rawtext(tmplog, hex, dst + maxsize - tmplog, tmp);
+                                       ret = lf_rawtext(tmplog, hex, dst + maxsize - tmplog, &ctx);
                                } else {
-                                       ret = lf_int(tmplog, dst + maxsize - tmplog, pid, tmp, LF_INT_LTOA);
+                                       ret = lf_int(tmplog, dst + maxsize - tmplog, pid, &ctx, LF_INT_LTOA);
                                }
                                if (ret == NULL)
                                        goto out;
@@ -4155,9 +4185,9 @@ int sess_build_logline(struct session *sess, struct stream *s, char *dst, size_t
                        case LOG_FMT_UNIQUEID: // %ID
                                ret = NULL;
                                if (s)
-                                       ret = lf_text_len(tmplog, s->unique_id.ptr, s->unique_id.len, maxsize - (tmplog - dst), tmp);
+                                       ret = lf_text_len(tmplog, s->unique_id.ptr, s->unique_id.len, maxsize - (tmplog - dst), &ctx);
                                else
-                                       ret = lf_text_len(tmplog, NULL, 0, maxsize - (tmplog - dst), tmp);
+                                       ret = lf_text_len(tmplog, NULL, 0, maxsize - (tmplog - dst), &ctx);
                                if (ret == NULL)
                                        goto out;
                                tmplog = ret;