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Merge pull request #473 from DrDoof/fix/config-replay-skip

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config, httpd: skip an over-long line and refuse to store one
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feelfree69 authored and GitHub committed 2026-09-23 08:52:19 +02:00
2 parents fa93340c24 3c8de6da87
commit b6d6d2391d
4 files changed
+45 -18
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httpd/httpd.c
+9 -2
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@@ -377,8 +377,8 @@ void gen_random_hex_chars(__xdata uint8_t * b, __xdata uint8_t bytes)
static uint8_t config_take(void)
{
// #386: needs static, otherwise it still lands in SRAM/DSEG
static __xdata uint16_t cfg_pos, cfg_hdr, cfg_body, cfg_end, cfg_last;
__xdata uint8_t cfg_bl;
static __xdata uint16_t cfg_pos, cfg_hdr, cfg_body, cfg_end, cfg_last, cfg_i;
__xdata uint8_t cfg_bl, cfg_run;
cfg_bl = strlen_x(boundary);
@@ -420,6 +420,13 @@ static uint8_t config_take(void)
// the payload plus its terminator must fit the sector
if (cfg_end - cfg_body + 1 > CONFIG_LEN)
return 2;
cfg_run = 0;
for (cfg_i = cfg_body; cfg_i < cfg_end; cfg_i++) {
if (config_buf[cfg_i] == '\n')
cfg_run = 0;
else if (++cfg_run >= CMD_BUF_SIZE - 1)
return 2;
}
config_buf[cfg_end] = 0;
flash_region.addr = CONFIG_START;
flash_sector_erase();