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patty_ax25_pton(): Make calls ending in - invalid

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XANTRONIX Development 2020-09-18 15:00:14 -05:00 • committed by XANTRONIX Industrial
parent 8f01ab1cd4
commit 52350ad0e8
1 changed files with 7 additions and 1 deletions
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8
src/ax25.c
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@ -23,6 +23,8 @@ int patty_ax25_pton(const char *callsign,
enum addr_state state = ADDR_CALLSIGN; enum addr_state state = ADDR_CALLSIGN;
uint8_t c = '\0';
if (len == 0) { if (len == 0) {
goto error_invalid_callsign; goto error_invalid_callsign;
} else if (len > PATTY_AX25_ADDRSTRLEN) { } else if (len > PATTY_AX25_ADDRSTRLEN) {
@ -30,7 +32,7 @@ int patty_ax25_pton(const char *callsign,
} }
for (i=0; i<len; i++) { for (i=0; i<len; i++) {
uint8_t c = callsign[i]; c = callsign[i];
switch (state) { switch (state) {
case ADDR_CALLSIGN: case ADDR_CALLSIGN:
@ -64,6 +66,10 @@ int patty_ax25_pton(const char *callsign,
} }
} }
if (c == '-') {
goto error_invalid_callsign;
}
while (o < PATTY_AX25_CALLSTRLEN) { while (o < PATTY_AX25_CALLSTRLEN) {
addr->callsign[o++] = ' ' << 1; addr->callsign[o++] = ' ' << 1;
} }