diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/imap.c | 228 |
1 files changed, 115 insertions, 113 deletions
diff --git a/lib/imap.c b/lib/imap.c index fb98f8ea5..65997b976 100644 --- a/lib/imap.c +++ b/lib/imap.c @@ -99,6 +99,8 @@ static int imap_getsock(struct connectdata *conn, curl_socket_t *socks, int numsocks); static CURLcode imap_doing(struct connectdata *conn, bool *dophase_done); static CURLcode imap_setup_connection(struct connectdata *conn); +static char *imap_atom(const char *str); +static CURLcode imap_sendf(struct connectdata *conn, const char *fmt, ...); /* * IMAP protocol handler. @@ -215,119 +217,6 @@ static void imap_to_imaps(struct connectdata *conn) /*********************************************************************** * - * imap_sendf() - * - * Sends the formated string as an IMAP command to the server. - * - * Designed to never block. - */ -static CURLcode imap_sendf(struct connectdata *conn, const char *fmt, ...) -{ - CURLcode result = CURLE_OK; - struct imap_conn *imapc = &conn->proto.imapc; - char *taggedfmt; - va_list ap; - va_start(ap, fmt); - - /* Calculate the next command ID wrapping at 3 digits */ - imapc->cmdid = (imapc->cmdid + 1) % 1000; - - /* Calculate the tag based on the connection ID and command ID */ - snprintf(imapc->resptag, sizeof(imapc->resptag), "%c%03d", - 'A' + (conn->connection_id % 26), imapc->cmdid); - - /* Prefix the format with the tag */ - taggedfmt = aprintf("%s %s", imapc->resptag, fmt); - if(!taggedfmt) - return CURLE_OUT_OF_MEMORY; - - /* Send the data with the tag */ - result = Curl_pp_vsendf(&imapc->pp, taggedfmt, ap); - - Curl_safefree(taggedfmt); - va_end(ap); - - return result; -} - -/*********************************************************************** - * - * imap_atom() - * - * Checks the input string for characters that need escaping and returns an - * atom ready for sending to the server. - * - * The returned string needs to be freed. - * - */ -static char *imap_atom(const char *str) -{ - const char *p1; - char *p2; - size_t backsp_count = 0; - size_t quote_count = 0; - bool space_exists = FALSE; - size_t newlen = 0; - char *newstr = NULL; - - if(!str) - return NULL; - - /* Count any unescapped characters */ - p1 = str; - while(*p1) { - if(*p1 == '\\') - backsp_count++; - else if(*p1 == '"') - quote_count++; - else if(*p1 == ' ') - space_exists = TRUE; - - p1++; - } - - /* Does the input contain any unescapped characters? */ - if(!backsp_count && !quote_count && !space_exists) - return strdup(str); - - /* Calculate the new string length */ - newlen = strlen(str) + backsp_count + quote_count + (space_exists ? 2 : 0); - - /* Allocate the new string */ - newstr = (char *) malloc((newlen + 1) * sizeof(char)); - if(!newstr) - return NULL; - - /* Surround the string in quotes if necessary */ - p2 = newstr; - if(space_exists) { - newstr[0] = '"'; - newstr[newlen - 1] = '"'; - p2++; - } - - /* Copy the string, escaping backslash and quote characters along the way */ - p1 = str; - while(*p1) { - if(*p1 == '\\' || *p1 == '"') { - *p2 = '\\'; - p2++; - } - - *p2 = *p1; - - p1++; - p2++; - } - - /* Terminate the string */ - newstr[newlen] = '\0'; - - return newstr; -} - -/*********************************************************************** - * * imap_matchresp() * * Determines whether the untagged response is related to the specified @@ -2324,4 +2213,117 @@ static CURLcode imap_setup_connection(struct connectdata *conn) return CURLE_OK; } +/*********************************************************************** + * + * imap_sendf() + * + * Sends the formated string as an IMAP command to the server. + * + * Designed to never block. + */ +static CURLcode imap_sendf(struct connectdata *conn, const char *fmt, ...) +{ + CURLcode result = CURLE_OK; + struct imap_conn *imapc = &conn->proto.imapc; + char *taggedfmt; + va_list ap; + va_start(ap, fmt); + + /* Calculate the next command ID wrapping at 3 digits */ + imapc->cmdid = (imapc->cmdid + 1) % 1000; + + /* Calculate the tag based on the connection ID and command ID */ + snprintf(imapc->resptag, sizeof(imapc->resptag), "%c%03d", + 'A' + (conn->connection_id % 26), imapc->cmdid); + + /* Prefix the format with the tag */ + taggedfmt = aprintf("%s %s", imapc->resptag, fmt); + if(!taggedfmt) + return CURLE_OUT_OF_MEMORY; + + /* Send the data with the tag */ + result = Curl_pp_vsendf(&imapc->pp, taggedfmt, ap); + + Curl_safefree(taggedfmt); + va_end(ap); + + return result; +} + +/*********************************************************************** + * + * imap_atom() + * + * Checks the input string for characters that need escaping and returns an + * atom ready for sending to the server. + * + * The returned string needs to be freed. + * + */ +static char *imap_atom(const char *str) +{ + const char *p1; + char *p2; + size_t backsp_count = 0; + size_t quote_count = 0; + bool space_exists = FALSE; + size_t newlen = 0; + char *newstr = NULL; + + if(!str) + return NULL; + + /* Count any unescapped characters */ + p1 = str; + while(*p1) { + if(*p1 == '\\') + backsp_count++; + else if(*p1 == '"') + quote_count++; + else if(*p1 == ' ') + space_exists = TRUE; + + p1++; + } + + /* Does the input contain any unescapped characters? */ + if(!backsp_count && !quote_count && !space_exists) + return strdup(str); + + /* Calculate the new string length */ + newlen = strlen(str) + backsp_count + quote_count + (space_exists ? 2 : 0); + + /* Allocate the new string */ + newstr = (char *) malloc((newlen + 1) * sizeof(char)); + if(!newstr) + return NULL; + + /* Surround the string in quotes if necessary */ + p2 = newstr; + if(space_exists) { + newstr[0] = '"'; + newstr[newlen - 1] = '"'; + p2++; + } + + /* Copy the string, escaping backslash and quote characters along the way */ + p1 = str; + while(*p1) { + if(*p1 == '\\' || *p1 == '"') { + *p2 = '\\'; + p2++; + } + + *p2 = *p1; + + p1++; + p2++; + } + + /* Terminate the string */ + newstr[newlen] = '\0'; + + return newstr; +} + #endif /* CURL_DISABLE_IMAP */ |