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Merge pull request #435 from wolfmanx/mpd-argument-unquoting

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[mpd] Quoted argument unescaping fixed
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ejurgensen 2017-11-11 10:04:57 +01:00 committed by GitHub
commit 75b14b85e9
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1 changed files with 14 additions and 10 deletions
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24
src/mpd.c
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@ -318,32 +318,36 @@ static char*
mpd_pars_quoted(char **input) mpd_pars_quoted(char **input)
{ {
char *arg; char *arg;
char *src;
char *dst;
char ch;
// skip double quote character // skip double quote character
(*input)++; (*input)++;
arg = *input; src = dst = arg = *input;
while ((ch = *src) != '"')
while (**input != '"')
{ {
// A backslash character escapes the following character // A backslash character escapes the following character and should be removed
if (**input == '\\') if (ch == '\\')
{ {
(*input)++; ch = *(++src);
} }
*dst++ = ch;
if (**input == 0) if (ch == 0)
{ {
// Error handling for missing double quote at end of parameter // Error handling for missing double quote at end of parameter
DPRINTF(E_LOG, L_MPD, "Error missing closing double quote in argument\n"); DPRINTF(E_LOG, L_MPD, "Error missing closing double quote in argument\n");
*input = src;
return NULL; return NULL;
} }
(*input)++; ++src;
} }
**input = '\0'; *dst = '\0';
(*input)++; *input = ++src;
return arg; return arg;
} }